1072216342

Committed 14 Nov 2023 12:49PM UTC coverage: 79.663% (+1.8%) from 77.876%

Build # 1072216342

Build Type

Pull #961

gitlab-ci

Committed by

kjaskiewiczz

Commit Message

test(mongo): move release related tests to separate file

Changelog: Title
Ticket: None

Signed-off-by: Krzysztof Jaskiewicz <krzysztof.jaskiewicz@northern.tech>

Pull Request Pull Request #961: add support for bulk removal of releases by names

Run Details

86 of 98 new or added lines in 6 files covered. (87.76%)

11 existing lines in 1 file now uncovered.

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Source File
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85.2

/store/mongo/datastore_mongo.go

// Copyright 2023 Northern.tech AS
//
//        Licensed under the Apache License, Version 2.0 (the "License");
//        you may not use this file except in compliance with the License.
//        You may obtain a copy of the License at
//
//            http://www.apache.org/licenses/LICENSE-2.0
//
//        Unless required by applicable law or agreed to in writing, software
//        distributed under the License is distributed on an "AS IS" BASIS,
//        WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//        See the License for the specific language governing permissions and
//        limitations under the License.
package mongo

import (
        "context"
        "crypto/tls"
        "math"
        "regexp"
        "sort"
        "strings"
        "time"

        "github.com/pkg/errors"
        "go.mongodb.org/mongo-driver/bson"
        "go.mongodb.org/mongo-driver/bson/primitive"
        "go.mongodb.org/mongo-driver/mongo"
        mopts "go.mongodb.org/mongo-driver/mongo/options"

        "github.com/mendersoftware/go-lib-micro/config"
        "github.com/mendersoftware/go-lib-micro/identity"
        "github.com/mendersoftware/go-lib-micro/log"
        "github.com/mendersoftware/go-lib-micro/mongo/migrate"
        mstore "github.com/mendersoftware/go-lib-micro/store"

        dconfig "github.com/mendersoftware/deployments/config"
        "github.com/mendersoftware/deployments/model"
        "github.com/mendersoftware/deployments/store"
)

const (
        DatabaseName                   = "deployment_service"
        CollectionLimits               = "limits"
        CollectionImages               = "images"
        CollectionDeployments          = "deployments"
        CollectionDeviceDeploymentLogs = "devices.logs"
        CollectionDevices              = "devices"
        CollectionDevicesLastStatus    = "devices_last_status"
        CollectionStorageSettings      = "settings"
        CollectionUploadIntents        = "uploads"
        CollectionReleases             = "releases"
        CollectionUpdateTypes          = "update_types"
)

const DefaultDocumentLimit = 20
const maxCountDocuments = int64(10000)

// Internal status codes from
// https://github.com/mongodb/mongo/blob/4.4/src/mongo/base/error_codes.yml
const (
        errorCodeNamespaceNotFound = 26
        errorCodeIndexNotFound     = 27
)

const (
        mongoOpSet = "$set"
)

var currentDbVersion map[string]*migrate.Version

var (
        // Indexes (version: 1.2.2)
        IndexUniqueNameAndDeviceTypeName          = "uniqueNameAndDeviceTypeIndex"
        IndexDeploymentArtifactName               = "deploymentArtifactNameIndex"
        IndexDeploymentDeviceStatusesName         = "deviceIdWithStatusByCreated"
        IndexDeploymentDeviceIdStatusName         = "devicesIdWithStatus"
        IndexDeploymentDeviceCreatedStatusName    = "devicesIdWithCreatedStatus"
        IndexDeploymentDeviceDeploymentIdName     = "devicesDeploymentId"
        IndexDeploymentStatusFinishedName         = "deploymentStatusFinished"
        IndexDeploymentStatusPendingName          = "deploymentStatusPending"
        IndexDeploymentCreatedName                = "deploymentCreated"
        IndexDeploymentDeviceStatusRebootingName  = "deploymentsDeviceStatusRebooting"
        IndexDeploymentDeviceStatusPendingName    = "deploymentsDeviceStatusPending"
        IndexDeploymentDeviceStatusInstallingName = "deploymentsDeviceStatusInstalling"
        IndexDeploymentDeviceStatusFinishedName   = "deploymentsFinished"

        // Indexes (version: 1.2.3)
        IndexArtifactNameDependsName = "artifactNameDepends"
        IndexNameAndDeviceTypeName   = "artifactNameAndDeviceTypeIndex"

        // Indexes (version: 1.2.4)
        IndexDeploymentStatus = "deploymentStatus"

        // Indexes 1.2.6
        IndexDeviceDeploymentStatusName = "deploymentid_status_deviceid"

        // Indexes 1.2.13
        IndexArtifactProvidesName = "artifact_provides"

        // Indexes 1.2.15
        IndexNameReleaseTags           = "release_tags"
        IndexNameReleaseUpdateTypes    = "release_update_types"
        IndexNameAggregatedUpdateTypes = "aggregated_release_update_types"
        IndexNameReleaseArtifactsCount = "release_artifacts_count"

        _false         = false
        _true          = true
        StorageIndexes = mongo.IndexModel{
                // NOTE: Keys should be bson.D as element
                //       order matters!
                Keys: bson.D{
                        {Key: StorageKeyDeploymentName,
                                Value: "text"},
                        {Key: StorageKeyDeploymentArtifactName,
                                Value: "text"},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentArtifactName,
                },
        }
        StatusIndexes = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeviceDeploymentDeviceId,
                                Value: 1},
                        {Key: StorageKeyDeviceDeploymentStatus,
                                Value: 1},
                        {Key: StorageKeyDeploymentStatsCreated,
                                Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentDeviceStatusesName,
                },
        }
        DeploymentStatusIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeviceDeploymentStatus,
                                Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentStatus,
                },
        }
        DeviceIDStatusIndexes = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeviceDeploymentDeviceId, Value: 1},
                        {Key: StorageKeyDeviceDeploymentStatus, Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentDeviceIdStatusName,
                },
        }
        DeviceIDCreatedStatusIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeviceDeploymentDeviceId, Value: 1},
                        {Key: StorageKeyDeploymentStatsCreated, Value: 1},
                        {Key: StorageKeyDeviceDeploymentStatus, Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentDeviceCreatedStatusName,
                },
        }
        DeploymentIdIndexes = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeviceDeploymentDeploymentID, Value: 1},
                        {Key: StorageKeyDeviceDeploymentDeviceId, Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentDeviceDeploymentIdName,
                },
        }
        DeviceDeploymentIdStatus = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeviceDeploymentDeploymentID, Value: 1},
                        {Key: StorageKeyDeviceDeploymentStatus, Value: 1},
                        {Key: StorageKeyDeviceDeploymentDeviceId, Value: 1},
                },
                Options: mopts.Index().
                        SetName(IndexDeviceDeploymentStatusName),
        }
        DeploymentStatusFinishedIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: "stats.downloading", Value: 1},
                        {Key: "stats.installing", Value: 1},
                        {Key: "stats.pending", Value: 1},
                        {Key: "stats.rebooting", Value: 1},
                        {Key: "created", Value: -1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentStatusFinishedName,
                },
        }
        DeploymentStatusPendingIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: "stats.aborted", Value: 1},
                        {Key: "stats.already-installed", Value: 1},
                        {Key: "stats.decommissioned", Value: 1},
                        {Key: "stats.downloading", Value: 1},
                        {Key: "stats.failure", Value: 1},
                        {Key: "stats.installing", Value: 1},
                        {Key: "stats.noartifact", Value: 1},
                        {Key: "stats.rebooting", Value: 1},
                        {Key: "stats.success", Value: 1},
                        {Key: "created", Value: -1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentStatusPendingName,
                },
        }
        DeploymentCreatedIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: "created", Value: -1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentCreatedName,
                },
        }
        DeploymentDeviceStatusRebootingIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: "stats.rebooting", Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentDeviceStatusRebootingName,
                },
        }
        DeploymentDeviceStatusPendingIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: "stats.pending", Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentDeviceStatusPendingName,
                },
        }
        DeploymentDeviceStatusInstallingIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: "stats.installing", Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentDeviceStatusInstallingName,
                },
        }
        DeploymentDeviceStatusFinishedIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: "finished", Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentDeviceStatusFinishedName,
                },
        }
        UniqueNameVersionIndex = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyImageName,
                                Value: 1},
                        {Key: StorageKeyImageDeviceTypes,
                                Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexUniqueNameAndDeviceTypeName,
                        Unique:     &_true,
                },
        }

        // 1.2.3
        IndexArtifactNameDepends = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyImageName,
                                Value: 1},
                        {Key: StorageKeyImageDependsIdx,
                                Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexArtifactNameDependsName,
                        Unique:     &_true,
                },
        }

        // Indexes 1.2.7
        IndexImageMetaDescription      = "image_meta_description"
        IndexImageMetaDescriptionModel = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyImageDescription, Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexImageMetaDescription,
                },
        }

        IndexImageMetaArtifactDeviceTypeCompatible      = "image_meta_artifact_device_type_compatible"
        IndexImageMetaArtifactDeviceTypeCompatibleModel = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyImageDeviceTypes, Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexImageMetaArtifactDeviceTypeCompatible,
                },
        }

        // Indexes 1.2.8
        IndexDeploymentsActiveCreated      = "active_created"
        IndexDeploymentsActiveCreatedModel = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeploymentCreated, Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Name:       &IndexDeploymentsActiveCreated,
                        PartialFilterExpression: bson.M{
                                StorageKeyDeploymentActive: true,
                        },
                },
        }

        // Index 1.2.9
        IndexDeviceDeploymentsActiveCreated      = "active_deviceid_created"
        IndexDeviceDeploymentsActiveCreatedModel = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeviceDeploymentActive, Value: 1},
                        {Key: StorageKeyDeviceDeploymentDeviceId, Value: 1},
                        {Key: StorageKeyDeviceDeploymentCreated, Value: 1},
                },
                Options: mopts.Index().
                        SetName(IndexDeviceDeploymentsActiveCreated),
        }

        // Index 1.2.11
        IndexDeviceDeploymentsLogs      = "devices_logs"
        IndexDeviceDeploymentsLogsModel = mongo.IndexModel{
                Keys: bson.D{
                        {Key: StorageKeyDeviceDeploymentDeploymentID, Value: 1},
                        {Key: StorageKeyDeviceDeploymentDeviceId, Value: 1},
                },
                Options: mopts.Index().
                        SetName(IndexDeviceDeploymentsLogs),
        }

        // 1.2.13
        IndexArtifactProvides = mongo.IndexModel{
                Keys: bson.D{
                        {Key: model.StorageKeyImageProvidesIdxKey,
                                Value: 1},
                        {Key: model.StorageKeyImageProvidesIdxValue,
                                Value: 1},
                },
                Options: &mopts.IndexOptions{
                        Background: &_false,
                        Sparse:     &_true,
                        Name:       &IndexArtifactProvidesName,
                },
        }
)

// Errors
var (
        ErrImagesStorageInvalidID           = errors.New("Invalid id")
        ErrImagesStorageInvalidArtifactName = errors.New("Invalid artifact name")
        ErrImagesStorageInvalidName         = errors.New("Invalid name")
        ErrImagesStorageInvalidDeviceType   = errors.New("Invalid device type")
        ErrImagesStorageInvalidImage        = errors.New("Invalid image")

        ErrStorageInvalidDeviceDeployment = errors.New("Invalid device deployment")

        ErrDeploymentStorageInvalidDeployment = errors.New("Invalid deployment")
        ErrStorageInvalidID                   = errors.New("Invalid id")
        ErrStorageNotFound                    = errors.New("Not found")
        ErrDeploymentStorageInvalidQuery      = errors.New("Invalid query")
        ErrDeploymentStorageCannotExecQuery   = errors.New("Cannot execute query")
        ErrStorageInvalidInput                = errors.New("invalid input")

        ErrLimitNotFound      = errors.New("limit not found")
        ErrDevicesCountFailed = errors.New("failed to count devices")
        ErrConflictingDepends = errors.New(
                "an artifact with the same name and depends already exists",
        )
)

// Database keys
const (
        // Need to be kept in sync with structure filed names
        StorageKeyId       = "_id"
        StorageKeyTenantId = "tenant_id"

        StorageKeyImageProvides    = "meta_artifact.provides"
        StorageKeyImageProvidesIdx = "meta_artifact.provides_idx"
        StorageKeyImageDepends     = "meta_artifact.depends"
        StorageKeyImageDependsIdx  = "meta_artifact.depends_idx"
        StorageKeyImageSize        = "size"
        StorageKeyImageDeviceTypes = "meta_artifact.device_types_compatible"
        StorageKeyImageName        = "meta_artifact.name"
        StorageKeyUpdateType       = "meta_artifact.updates.typeinfo.type"
        StorageKeyImageDescription = "meta.description"
        StorageKeyImageModified    = "modified"

        // releases
        StorageKeyReleaseName                      = "_id"
        StorageKeyReleaseModified                  = "modified"
        StorageKeyReleaseTags                      = "tags"
        StorageKeyReleaseNotes                     = "notes"
        StorageKeyReleaseArtifacts                 = "artifacts"
        StorageKeyReleaseArtifactsCount            = "artifacts_count"
        StorageKeyReleaseArtifactsIndexDescription = StorageKeyReleaseArtifacts + ".$." +
                StorageKeyImageDescription
        StorageKeyReleaseArtifactsDescription = StorageKeyReleaseArtifacts + "." +
                StorageKeyImageDescription
        StorageKeyReleaseArtifactsDeviceTypes = StorageKeyReleaseArtifacts + "." +
                StorageKeyImageDeviceTypes
        StorageKeyReleaseArtifactsUpdateTypes = StorageKeyReleaseArtifacts + "." +
                StorageKeyUpdateType
        StorageKeyReleaseArtifactsIndexModified = StorageKeyReleaseArtifacts + ".$." +
                StorageKeyImageModified
        StorageKeyReleaseArtifactsId = StorageKeyReleaseArtifacts + "." +
                StorageKeyId
        StorageKeyReleaseImageDependsIdx = StorageKeyReleaseArtifacts + "." +
                StorageKeyImageDependsIdx
        StorageKeyReleaseImageProvidesIdx = StorageKeyReleaseArtifacts + "." +
                StorageKeyImageProvidesIdx

        StorageKeyDeviceDeploymentLogMessages = "messages"

        StorageKeyDeviceDeploymentAssignedImage   = "image"
        StorageKeyDeviceDeploymentAssignedImageId = StorageKeyDeviceDeploymentAssignedImage +
                "." + StorageKeyId

        StorageKeyDeviceDeploymentActive         = "active"
        StorageKeyDeviceDeploymentCreated        = "created"
        StorageKeyDeviceDeploymentDeviceId       = "deviceid"
        StorageKeyDeviceDeploymentStatus         = "status"
        StorageKeyDeviceDeploymentStarted        = "started"
        StorageKeyDeviceDeploymentSubState       = "substate"
        StorageKeyDeviceDeploymentDeploymentID   = "deploymentid"
        StorageKeyDeviceDeploymentFinished       = "finished"
        StorageKeyDeviceDeploymentIsLogAvailable = "log"
        StorageKeyDeviceDeploymentArtifact       = "image"
        StorageKeyDeviceDeploymentRequest        = "request"
        StorageKeyDeviceDeploymentDeleted        = "deleted"

        StorageKeyDeploymentName         = "deploymentconstructor.name"
        StorageKeyDeploymentArtifactName = "deploymentconstructor.artifactname"
        StorageKeyDeploymentStats        = "stats"
        StorageKeyDeploymentActive       = "active"
        StorageKeyDeploymentStatus       = "status"
        StorageKeyDeploymentCreated      = "created"
        StorageKeyDeploymentStatsCreated = "created"
        StorageKeyDeploymentFinished     = "finished"
        StorageKeyDeploymentArtifacts    = "artifacts"
        StorageKeyDeploymentDeviceCount  = "device_count"
        StorageKeyDeploymentMaxDevices   = "max_devices"
        StorageKeyDeploymentType         = "type"
        StorageKeyDeploymentTotalSize    = "statistics.total_size"

        StorageKeyStorageSettingsDefaultID      = "settings"
        StorageKeyStorageSettingsBucket         = "bucket"
        StorageKeyStorageSettingsRegion         = "region"
        StorageKeyStorageSettingsKey            = "key"
        StorageKeyStorageSettingsSecret         = "secret"
        StorageKeyStorageSettingsURI            = "uri"
        StorageKeyStorageSettingsExternalURI    = "external_uri"
        StorageKeyStorageSettingsToken          = "token"
        StorageKeyStorageSettingsForcePathStyle = "force_path_style"
        StorageKeyStorageSettingsUseAccelerate  = "use_accelerate"

        StorageKeyStorageReleaseUpdateTypes = "update_types"

        ArtifactDependsDeviceType = "device_type"
)

type DataStoreMongo struct {
        client *mongo.Client
}

func NewDataStoreMongoWithClient(client *mongo.Client) *DataStoreMongo {
        return &DataStoreMongo{
                client: client,
        }
}

func NewMongoClient(ctx context.Context, c config.Reader) (*mongo.Client, error) {

        clientOptions := mopts.Client()
        mongoURL := c.GetString(dconfig.SettingMongo)
        if !strings.Contains(mongoURL, "://") {
                return nil, errors.Errorf("Invalid mongoURL %q: missing schema.",
                        mongoURL)
        }
        clientOptions.ApplyURI(mongoURL)

        username := c.GetString(dconfig.SettingDbUsername)
        if username != "" {
                credentials := mopts.Credential{
                        Username: c.GetString(dconfig.SettingDbUsername),
                }
                password := c.GetString(dconfig.SettingDbPassword)
                if password != "" {
                        credentials.Password = password
                        credentials.PasswordSet = true
                }
                clientOptions.SetAuth(credentials)
        }

        if c.GetBool(dconfig.SettingDbSSL) {
                tlsConfig := &tls.Config{}
                tlsConfig.InsecureSkipVerify = c.GetBool(dconfig.SettingDbSSLSkipVerify)
                clientOptions.SetTLSConfig(tlsConfig)
        }

        // Set 10s timeout
        ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
        defer cancel()
        client, err := mongo.Connect(ctx, clientOptions)
        if err != nil {
                return nil, errors.Wrap(err, "Failed to connect to mongo server")
        }

        // Validate connection
        if err = client.Ping(ctx, nil); err != nil {
                return nil, errors.Wrap(err, "Error reaching mongo server")
        }

        return client, nil
}

func (db *DataStoreMongo) Ping(ctx context.Context) error {
        res := db.client.Database(DbName).RunCommand(ctx, bson.M{"ping": 1})
        return res.Err()
}

func (db *DataStoreMongo) setCurrentDbVersion(
        ctx context.Context,
) error {
        versions, err := migrate.GetMigrationInfo(
                ctx, db.client, mstore.DbFromContext(ctx, DatabaseName))
        if err != nil {
                return errors.Wrap(err, "failed to list applied migrations")
        }
        var current migrate.Version
        if len(versions) > 0 {
                // sort applied migrations wrt. version
                sort.Slice(versions, func(i int, j int) bool {
                        return migrate.VersionIsLess(versions[i].Version, versions[j].Version)
                })
                current = versions[len(versions)-1].Version
        }
        if currentDbVersion == nil {
                currentDbVersion = map[string]*migrate.Version{}
        }
        currentDbVersion[mstore.DbFromContext(ctx, DatabaseName)] = &current
        return nil
}

func (db *DataStoreMongo) getCurrentDbVersion(
        ctx context.Context,
) (*migrate.Version, error) {
        if currentDbVersion == nil ||
                currentDbVersion[mstore.DbFromContext(ctx, DatabaseName)] == nil {
                if err := db.setCurrentDbVersion(ctx); err != nil {
                        return nil, err
                }
        }
        return currentDbVersion[mstore.DbFromContext(ctx, DatabaseName)], nil
}

func (db *DataStoreMongo) GetReleases(
        ctx context.Context,
        filt *model.ReleaseOrImageFilter,
) ([]model.Release, int, error) {
        current, err := db.getCurrentDbVersion(ctx)
        if err != nil {
                return nil, 0, err
        } else if current == nil {
                return nil, 0, errors.New("couldn't get current database version")
        }
        target, err := migrate.NewVersion(DbVersion)
        if err != nil {
                return nil, 0, errors.Wrap(err, "failed to get latest DB version")
        }
        if migrate.VersionIsLess(*current, *target) {
                return db.getReleases_1_2_14(ctx, filt)
        } else {
                return db.getReleases_1_2_15(ctx, filt)
        }
}

func (db *DataStoreMongo) getReleases_1_2_14(
        ctx context.Context,
        filt *model.ReleaseOrImageFilter,
) ([]model.Release, int, error) {
        l := log.FromContext(ctx)
        l.Infof("get releases method version 1.2.14")
        var pipe []bson.D

        pipe = []bson.D{}
        if filt != nil && filt.Name != "" {
                pipe = append(pipe, bson.D{
                        {Key: "$match", Value: bson.M{
                                StorageKeyImageName: bson.M{
                                        "$regex": primitive.Regex{
                                                Pattern: ".*" + regexp.QuoteMeta(filt.Name) + ".*",
                                                Options: "i",
                                        },
                                },
                        }},
                })
        }

        pipe = append(pipe, bson.D{
                // Remove (possibly expensive) sub-documents from pipeline
                {
                        Key: "$project",
                        Value: bson.M{
                                StorageKeyImageDependsIdx:  0,
                                StorageKeyImageProvidesIdx: 0,
                        },
                },
        })

        pipe = append(pipe, bson.D{
                {Key: "$group", Value: bson.D{
                        {Key: "_id", Value: "$" + StorageKeyImageName},
                        {Key: "name", Value: bson.M{"$first": "$" + StorageKeyImageName}},
                        {Key: "artifacts", Value: bson.M{"$push": "$$ROOT"}},
                        {Key: "modified", Value: bson.M{"$max": "$modified"}},
                }},
        })

        if filt != nil && filt.Description != "" {
                pipe = append(pipe, bson.D{
                        {Key: "$match", Value: bson.M{
                                "artifacts." + StorageKeyImageDescription: bson.M{
                                        "$regex": primitive.Regex{
                                                Pattern: ".*" + regexp.QuoteMeta(filt.Description) + ".*",
                                                Options: "i",
                                        },
                                },
                        }},
                })
        }
        if filt != nil && filt.DeviceType != "" {
                pipe = append(pipe, bson.D{
                        {Key: "$match", Value: bson.M{
                                "artifacts." + StorageKeyImageDeviceTypes: bson.M{
                                        "$regex": primitive.Regex{
                                                Pattern: ".*" + regexp.QuoteMeta(filt.DeviceType) + ".*",
                                                Options: "i",
                                        },
                                },
                        }},
                })
        }

        sortField, sortOrder := getReleaseSortFieldAndOrder(filt)
        if sortField == "" {
                sortField = "name"
        }
        if sortOrder == 0 {
                sortOrder = 1
        }

        page := 1
        perPage := math.MaxInt64
        if filt != nil && filt.Page > 0 && filt.PerPage > 0 {
                page = filt.Page
                perPage = filt.PerPage
        }
        pipe = append(pipe,
                bson.D{{Key: "$facet", Value: bson.D{
                        {Key: "results", Value: []bson.D{
                                {
                                        {Key: "$sort", Value: bson.D{
                                                {Key: sortField, Value: sortOrder},
                                                {Key: "_id", Value: 1},
                                        }},
                                },
                                {{Key: "$skip", Value: int64((page - 1) * perPage)}},
                                {{Key: "$limit", Value: int64(perPage)}},
                        }},
                        {Key: "count", Value: []bson.D{
                                {{Key: "$count", Value: "count"}},
                        }},
                }}},
        )

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)

        cursor, err := collImg.Aggregate(ctx, pipe)
        if err != nil {
                return nil, 0, err
        }
        defer cursor.Close(ctx)

        result := struct {
                Results []model.Release       `bson:"results"`
                Count   []struct{ Count int } `bson:"count"`
        }{}
        if !cursor.Next(ctx) {
                return nil, 0, nil
        } else if err = cursor.Decode(&result); err != nil {
                return nil, 0, err
        } else if len(result.Count) == 0 {
                return []model.Release{}, 0, err
        }
        return result.Results, result.Count[0].Count, nil
}

func (db *DataStoreMongo) getReleases_1_2_15(
        ctx context.Context,
        filt *model.ReleaseOrImageFilter,
) ([]model.Release, int, error) {
        l := log.FromContext(ctx)
        l.Infof("get releases method version 1.2.15")

        sortField, sortOrder := getReleaseSortFieldAndOrder(filt)
        if sortField == "" {
                sortField = "_id"
        } else if sortField == "name" {
                sortField = StorageKeyReleaseName
        }
        if sortOrder == 0 {
                sortOrder = 1
        }

        page := 1
        perPage := DefaultDocumentLimit
        if filt != nil {
                if filt.Page > 0 {
                        page = filt.Page
                }
                if filt.PerPage > 0 {
                        perPage = filt.PerPage
                }
        }

        opts := &mopts.FindOptions{}
        opts.SetSort(bson.D{{Key: sortField, Value: sortOrder}})
        opts.SetSkip(int64((page - 1) * perPage))
        opts.SetLimit(int64(perPage))
        projection := bson.M{
                StorageKeyReleaseImageDependsIdx:  0,
                StorageKeyReleaseImageProvidesIdx: 0,
        }
        opts.SetProjection(projection)

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collReleases := database.Collection(CollectionReleases)

        filter := bson.M{}
        if filt != nil {
                if filt.Name != "" {
                        filter[StorageKeyReleaseName] = bson.M{"$regex": primitive.Regex{
                                Pattern: regexp.QuoteMeta(filt.Name) + ".*",
                                Options: "i",
                        }}
                }
                if len(filt.Tags) > 0 {
                        filter[StorageKeyReleaseTags] = bson.M{"$all": filt.Tags}
                }
                if filt.Description != "" {
                        filter[StorageKeyReleaseArtifactsDescription] = bson.M{"$regex": primitive.Regex{
                                Pattern: ".*" + regexp.QuoteMeta(filt.Description) + ".*",
                                Options: "i",
                        }}
                }
                if filt.DeviceType != "" {
                        filter[StorageKeyReleaseArtifactsDeviceTypes] = filt.DeviceType
                }
                if filt.UpdateType != "" {
                        filter[StorageKeyReleaseArtifactsUpdateTypes] = filt.UpdateType
                }
        }
        releases := []model.Release{}
        cursor, err := collReleases.Find(ctx, filter, opts)
        if err != nil {
                return nil, 0, err
        }
        if err := cursor.All(ctx, &releases); err != nil {
                return nil, 0, err
        }

        // TODO: can we return number of all documents in the collection
        // using EstimatedDocumentCount?
        count, err := collReleases.CountDocuments(ctx, filter)
        if err != nil {
                return nil, 0, err
        }

        return releases, int(count), nil
}

// limits
func (db *DataStoreMongo) GetLimit(ctx context.Context, name string) (*model.Limit, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collLim := database.Collection(CollectionLimits)

        limit := new(model.Limit)
        if err := collLim.FindOne(ctx, bson.M{"_id": name}).
                Decode(limit); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, ErrLimitNotFound
                }
                return nil, err
        }

        return limit, nil
}

func (db *DataStoreMongo) ProvisionTenant(ctx context.Context, tenantId string) error {

        dbname := mstore.DbNameForTenant(tenantId, DbName)

        return MigrateSingle(ctx, dbname, DbVersion, db.client, true)
}

//images

// Exists checks if object with ID exists
func (db *DataStoreMongo) Exists(ctx context.Context, id string) (bool, error) {
        var result interface{}

        if len(id) == 0 {
                return false, ErrImagesStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)

        if err := collImg.FindOne(ctx, bson.M{"_id": id}).
                Decode(&result); err != nil {
                if err == mongo.ErrNoDocuments {
                        return false, nil
                }
                return false, err
        }

        return true, nil
}

// Update provided Image
// Return false if not found
func (db *DataStoreMongo) Update(ctx context.Context,
        image *model.Image) (bool, error) {

        if err := image.Validate(); err != nil {
                return false, err
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)

        // add special representation of artifact provides
        image.ArtifactMeta.ProvidesIdx = model.ProvidesIdx(image.ArtifactMeta.Provides)

        image.SetModified(time.Now())
        if res, err := collImg.ReplaceOne(
                ctx, bson.M{"_id": image.Id}, image,
        ); err != nil {
                return false, err
        } else if res.MatchedCount == 0 {
                return false, nil
        }

        return true, nil
}

// ImageByNameAndDeviceType finds image with specified application name and target device type
func (db *DataStoreMongo) ImageByNameAndDeviceType(ctx context.Context,
        name, deviceType string) (*model.Image, error) {

        if len(name) == 0 {
                return nil, ErrImagesStorageInvalidArtifactName
        }

        if len(deviceType) == 0 {
                return nil, ErrImagesStorageInvalidDeviceType
        }

        // equal to device type & software version (application name + version)
        query := bson.M{
                StorageKeyImageName:        name,
                StorageKeyImageDeviceTypes: deviceType,
        }

        // If multiple entries matches, pick the smallest one.
        findOpts := mopts.FindOne()
        findOpts.SetSort(bson.D{{Key: StorageKeyImageSize, Value: 1}})

        dbName := mstore.DbFromContext(ctx, DatabaseName)
        database := db.client.Database(dbName)
        collImg := database.Collection(CollectionImages)

        // Both we lookup unique object, should be one or none.
        var image model.Image
        if err := collImg.FindOne(ctx, query, findOpts).
                Decode(&image); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return &image, nil
}

// ImageByIdsAndDeviceType finds image with id from ids and target device type
func (db *DataStoreMongo) ImageByIdsAndDeviceType(ctx context.Context,
        ids []string, deviceType string) (*model.Image, error) {

        if len(deviceType) == 0 {
                return nil, ErrImagesStorageInvalidDeviceType
        }

        if len(ids) == 0 {
                return nil, ErrImagesStorageInvalidID
        }

        query := bson.D{
                {Key: StorageKeyId, Value: bson.M{"$in": ids}},
                {Key: StorageKeyImageDeviceTypes, Value: deviceType},
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)

        // If multiple entries matches, pick the smallest one
        findOpts := mopts.FindOne()
        findOpts.SetSort(bson.D{{Key: StorageKeyImageSize, Value: 1}})

        // Both we lookup unique object, should be one or none.
        var image model.Image
        if err := collImg.FindOne(ctx, query, findOpts).
                Decode(&image); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return &image, nil
}

// ImagesByName finds images with specified artifact name
func (db *DataStoreMongo) ImagesByName(
        ctx context.Context, name string) ([]*model.Image, error) {

        var images []*model.Image

        if len(name) == 0 {
                return nil, ErrImagesStorageInvalidName
        }

        // equal to artifact name
        query := bson.M{
                StorageKeyImageName: name,
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)
        cursor, err := collImg.Find(ctx, query)
        if err != nil {
                return nil, err
        }
        // Both we lookup unique object, should be one or none.
        if err = cursor.All(ctx, &images); err != nil {
                return nil, err
        }

        return images, nil
}

func newDependsConflictError(mgoErr mongo.WriteError) *model.ConflictError {
        var err error
        conflictErr := model.NewConflictError(ErrConflictingDepends)
        // Try to lookup the document that caused the index violation:
        if raw, ok := mgoErr.Raw.Lookup("keyValue").DocumentOK(); ok {
                if raw, ok = raw.Lookup(StorageKeyImageDependsIdx).DocumentOK(); ok {
                        var conflicts map[string]interface{}
                        err = bson.Unmarshal([]byte(raw), &conflicts)
                        if err == nil {
                                _ = conflictErr.WithMetadata(
                                        map[string]interface{}{
                                                "conflict": conflicts,
                                        },
                                )
                        }
                }
        }
        return conflictErr
}

// Insert persists object
func (db *DataStoreMongo) InsertImage(ctx context.Context, image *model.Image) error {

        if image == nil {
                return ErrImagesStorageInvalidImage
        }

        if err := image.Validate(); err != nil {
                return err
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)

        // add special representation of artifact provides
        image.ArtifactMeta.ProvidesIdx = model.ProvidesIdx(image.ArtifactMeta.Provides)

        _, err := collImg.InsertOne(ctx, image)
        if err != nil {
                var wExc mongo.WriteException
                if errors.As(err, &wExc) {
                        for _, wErr := range wExc.WriteErrors {
                                if !mongo.IsDuplicateKeyError(wErr) {
                                        continue
                                }
                                return newDependsConflictError(wErr)
                        }
                }
                return err
        }

        return nil
}

func (db *DataStoreMongo) InsertUploadIntent(ctx context.Context, link *model.UploadLink) error {
        collUploads := db.client.
                Database(DatabaseName).
                Collection(CollectionUploadIntents)
        if idty := identity.FromContext(ctx); idty != nil {
                link.TenantID = idty.Tenant
        }
        _, err := collUploads.InsertOne(ctx, link)
        return err
}

func (db *DataStoreMongo) UpdateUploadIntentStatus(
        ctx context.Context,
        id string,
        from, to model.LinkStatus,
) error {
        collUploads := db.client.
                Database(DatabaseName).
                Collection(CollectionUploadIntents)
        q := bson.D{
                {Key: "_id", Value: id},
                {Key: "status", Value: from},
        }
        if idty := identity.FromContext(ctx); idty != nil {
                q = append(q, bson.E{
                        Key:   StorageKeyTenantId,
                        Value: idty.Tenant,
                })
        }
        update := bson.D{{
                Key: "updated_ts", Value: time.Now(),
        }}
        if from != to {
                update = append(update, bson.E{
                        Key: "status", Value: to,
                })
        }
        res, err := collUploads.UpdateOne(ctx, q, bson.D{
                {Key: "$set", Value: update},
        })
        if err != nil {
                return err
        } else if res.MatchedCount == 0 {
                return store.ErrNotFound
        }
        return nil
}

func (db *DataStoreMongo) FindUploadLinks(
        ctx context.Context,
        expiredAt time.Time,
) (store.Iterator[model.UploadLink], error) {
        collUploads := db.client.
                Database(DatabaseName).
                Collection(CollectionUploadIntents)

        q := bson.D{{
                Key: "status",
                Value: bson.D{{
                        Key:   "$lt",
                        Value: model.LinkStatusProcessedBit,
                }},
        }, {
                Key: "expire",
                Value: bson.D{{
                        Key:   "$lt",
                        Value: expiredAt,
                }},
        }}
        cur, err := collUploads.Find(ctx, q)
        return IteratorFromCursor[model.UploadLink](cur), err
}

// FindImageByID search storage for image with ID, returns nil if not found
func (db *DataStoreMongo) FindImageByID(ctx context.Context,
        id string) (*model.Image, error) {

        if len(id) == 0 {
                return nil, ErrImagesStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)
        projection := bson.M{
                StorageKeyImageDependsIdx:  0,
                StorageKeyImageProvidesIdx: 0,
        }
        findOptions := mopts.FindOne()
        findOptions.SetProjection(projection)

        var image model.Image
        if err := collImg.FindOne(ctx, bson.M{"_id": id}, findOptions).
                Decode(&image); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return &image, nil
}

// IsArtifactUnique checks if there is no artifact with the same artifactName
// supporting one of the device types from deviceTypesCompatible list.
// Returns true, nil if artifact is unique;
// false, nil if artifact is not unique;
// false, error in case of error.
func (db *DataStoreMongo) IsArtifactUnique(ctx context.Context,
        artifactName string, deviceTypesCompatible []string) (bool, error) {

        if len(artifactName) == 0 {
                return false, ErrImagesStorageInvalidArtifactName
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)

        query := bson.M{
                "$and": []bson.M{
                        {
                                StorageKeyImageName: artifactName,
                        },
                        {
                                StorageKeyImageDeviceTypes: bson.M{
                                        "$in": deviceTypesCompatible},
                        },
                },
        }

        // do part of the job manually
        // if candidate images have any extra 'depends' - guaranteed non-overlap
        // otherwise it's a match
        cur, err := collImg.Find(ctx, query)
        if err != nil {
                return false, err
        }

        var images []model.Image
        err = cur.All(ctx, &images)
        if err != nil {
                return false, err
        }

        for _, i := range images {
                // the artifact already has same name and overlapping dev type
                // if there are no more depends than dev type - it's not unique
                if len(i.ArtifactMeta.Depends) == 1 {
                        if _, ok := i.ArtifactMeta.Depends["device_type"]; ok {
                                return false, nil
                        }
                } else if len(i.ArtifactMeta.Depends) == 0 {
                        return false, nil
                }
        }

        return true, nil
}

// Delete image specified by ID
// Noop on if not found.
func (db *DataStoreMongo) DeleteImage(ctx context.Context, id string) error {

        if len(id) == 0 {
                return ErrImagesStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)

        if res, err := collImg.DeleteOne(ctx, bson.M{"_id": id}); err != nil {
                if res.DeletedCount == 0 {
                        return nil
                }
                return err
        }

        return nil
}

func getReleaseSortFieldAndOrder(filt *model.ReleaseOrImageFilter) (string, int) {
        if filt != nil && filt.Sort != "" {
                sortParts := strings.SplitN(filt.Sort, ":", 2)
                if len(sortParts) == 2 &&
                        (sortParts[0] == "name" ||
                                sortParts[0] == "modified" ||
                                sortParts[0] == "artifacts_count" ||
                                sortParts[0] == "tags") {
                        sortField := sortParts[0]
                        sortOrder := 1
                        if sortParts[1] == model.SortDirectionDescending {
                                sortOrder = -1
                        }
                        return sortField, sortOrder
                }
        }
        return "", 0
}

// ListImages lists all images
func (db *DataStoreMongo) ListImages(
        ctx context.Context,
        filt *model.ReleaseOrImageFilter,
) ([]*model.Image, int, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collImg := database.Collection(CollectionImages)

        filters := bson.M{}
        if filt != nil {
                if filt.Name != "" {
                        filters[StorageKeyImageName] = bson.M{
                                "$regex": primitive.Regex{
                                        Pattern: ".*" + regexp.QuoteMeta(filt.Name) + ".*",
                                        Options: "i",
                                },
                        }
                }
                if filt.Description != "" {
                        filters[StorageKeyImageDescription] = bson.M{
                                "$regex": primitive.Regex{
                                        Pattern: ".*" + regexp.QuoteMeta(filt.Description) + ".*",
                                        Options: "i",
                                },
                        }
                }
                if filt.DeviceType != "" {
                        filters[StorageKeyImageDeviceTypes] = bson.M{
                                "$regex": primitive.Regex{
                                        Pattern: ".*" + regexp.QuoteMeta(filt.DeviceType) + ".*",
                                        Options: "i",
                                },
                        }
                }

        }

        projection := bson.M{
                StorageKeyImageDependsIdx:  0,
                StorageKeyImageProvidesIdx: 0,
        }
        findOptions := &mopts.FindOptions{}
        findOptions.SetProjection(projection)
        if filt != nil && filt.Page > 0 && filt.PerPage > 0 {
                findOptions.SetSkip(int64((filt.Page - 1) * filt.PerPage))
                findOptions.SetLimit(int64(filt.PerPage))
        }

        sortField, sortOrder := getReleaseSortFieldAndOrder(filt)
        if sortField == "" || sortField == "name" {
                sortField = StorageKeyImageName
        }
        if sortOrder == 0 {
                sortOrder = 1
        }
        findOptions.SetSort(bson.D{
                {Key: sortField, Value: sortOrder},
                {Key: "_id", Value: sortOrder},
        })

        cursor, err := collImg.Find(ctx, filters, findOptions)
        if err != nil {
                return nil, 0, err
        }

        // NOTE: cursor.All closes the cursor before returning
        var images []*model.Image
        if err := cursor.All(ctx, &images); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, 0, nil
                }
                return nil, 0, err
        }

        count, err := collImg.CountDocuments(ctx, filters)
        if err != nil {
                return nil, -1, ErrDevicesCountFailed
        }

        return images, int(count), nil
}

func (db *DataStoreMongo) DeleteImagesByNames(ctx context.Context, names []string) error {
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionImages)
        query := bson.M{
                StorageKeyImageName: bson.M{
                        "$in": names,
                },
        }
        _, err := collDevs.DeleteMany(ctx, query)
        return err
}

// device deployment log
func (db *DataStoreMongo) SaveDeviceDeploymentLog(ctx context.Context,
        log model.DeploymentLog) error {

        if err := log.Validate(); err != nil {
                return err
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collLogs := database.Collection(CollectionDeviceDeploymentLogs)

        query := bson.D{
                {Key: StorageKeyDeviceDeploymentDeviceId,
                        Value: log.DeviceID},
                {Key: StorageKeyDeviceDeploymentDeploymentID,
                        Value: log.DeploymentID},
        }

        // update log messages
        // if the deployment log is already present than messages will be overwritten
        update := bson.D{
                {Key: "$set", Value: bson.M{
                        StorageKeyDeviceDeploymentLogMessages: log.Messages,
                }},
        }
        updateOptions := mopts.Update()
        updateOptions.SetUpsert(true)
        if _, err := collLogs.UpdateOne(
                ctx, query, update, updateOptions); err != nil {
                return err
        }

        return nil
}

func (db *DataStoreMongo) GetDeviceDeploymentLog(ctx context.Context,
        deviceID, deploymentID string) (*model.DeploymentLog, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collLogs := database.Collection(CollectionDeviceDeploymentLogs)

        query := bson.M{
                StorageKeyDeviceDeploymentDeviceId:     deviceID,
                StorageKeyDeviceDeploymentDeploymentID: deploymentID,
        }

        var depl model.DeploymentLog
        if err := collLogs.FindOne(ctx, query).Decode(&depl); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return &depl, nil
}

// device deployments

// Insert persists device deployment object
func (db *DataStoreMongo) InsertDeviceDeployment(
        ctx context.Context,
        deviceDeployment *model.DeviceDeployment,
        incrementDeviceCount bool,
) error {
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        c := database.Collection(CollectionDevices)

        if deviceDeployment.Status != model.DeviceDeploymentStatusPending {
                startedTime := time.Now().UTC()
                deviceDeployment.Started = &startedTime
        }

        if _, err := c.InsertOne(ctx, deviceDeployment); err != nil {
                return err
        }

        if incrementDeviceCount {
                err := db.IncrementDeploymentDeviceCount(ctx, deviceDeployment.DeploymentId, 1)
                if err != nil {
                        return err
                }
        }

        return nil
}

// InsertMany stores multiple device deployment objects.
// TODO: Handle error cleanup, multi insert is not atomic, loop into two-phase commits
func (db *DataStoreMongo) InsertMany(ctx context.Context,
        deployments ...*model.DeviceDeployment) error {

        if len(deployments) == 0 {
                return nil
        }

        deviceCountIncrements := make(map[string]int)

        // Writing to another interface list addresses golang gatcha interface{} == []interface{}
        var list []interface{}
        for _, deployment := range deployments {

                if deployment == nil {
                        return ErrStorageInvalidDeviceDeployment
                }

                if err := deployment.Validate(); err != nil {
                        return errors.Wrap(err, "Validating device deployment")
                }

                list = append(list, deployment)
                if deployment.Status != model.DeviceDeploymentStatusPending {
                        startedTime := time.Now().UTC()
                        deployment.Started = &startedTime
                }
                deviceCountIncrements[deployment.DeploymentId]++
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        if _, err := collDevs.InsertMany(ctx, list); err != nil {
                return err
        }

        for deploymentID := range deviceCountIncrements {
                err := db.IncrementDeploymentDeviceCount(
                        ctx,
                        deploymentID,
                        deviceCountIncrements[deploymentID],
                )
                if err != nil {
                        return err
                }
        }

        return nil
}

// FindOldestActiveDeviceDeployment finds the oldest deployment that has not finished yet.
func (db *DataStoreMongo) FindOldestActiveDeviceDeployment(
        ctx context.Context,
        deviceID string,
) (*model.DeviceDeployment, error) {

        // Verify ID formatting
        if len(deviceID) == 0 {
                return nil, ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        // Device should know only about deployments that are not finished
        query := bson.D{
                {Key: StorageKeyDeviceDeploymentActive, Value: true},
                {Key: StorageKeyDeviceDeploymentDeviceId, Value: deviceID},
                {Key: StorageKeyDeviceDeploymentDeleted, Value: bson.D{
                        {Key: "$exists", Value: false},
                }},
        }

        // Find the oldest one by sorting the creation timestamp
        // in ascending order.
        findOptions := mopts.FindOne()
        findOptions.SetSort(bson.D{{Key: "created", Value: 1}})

        // Select only the oldest one that have not been finished yet.
        deployment := new(model.DeviceDeployment)
        if err := collDevs.FindOne(ctx, query, findOptions).
                Decode(deployment); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return deployment, nil
}

// FindLatestInactiveDeviceDeployment finds the latest device deployment
// matching device id that has not finished yet.
func (db *DataStoreMongo) FindLatestInactiveDeviceDeployment(
        ctx context.Context,
        deviceID string,
) (*model.DeviceDeployment, error) {

        // Verify ID formatting
        if len(deviceID) == 0 {
                return nil, ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        query := bson.D{
                {Key: StorageKeyDeviceDeploymentActive, Value: false},
                {Key: StorageKeyDeviceDeploymentDeviceId, Value: deviceID},
                {Key: StorageKeyDeviceDeploymentDeleted, Value: bson.D{
                        {Key: "$exists", Value: false},
                }},
        }

        // Find the latest one by sorting by the creation timestamp
        // in ascending order.
        findOptions := mopts.FindOne()
        findOptions.SetSort(bson.D{{Key: "created", Value: -1}})

        // Select only the latest one that have not been finished yet.
        var deployment *model.DeviceDeployment
        if err := collDevs.FindOne(ctx, query, findOptions).
                Decode(&deployment); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return deployment, nil
}

func (db *DataStoreMongo) UpdateDeviceDeploymentStatus(
        ctx context.Context,
        deviceID string,
        deploymentID string,
        ddState model.DeviceDeploymentState,
        currentStatus model.DeviceDeploymentStatus,
) (model.DeviceDeploymentStatus, error) {

        // Verify ID formatting
        if len(deviceID) == 0 ||
                len(deploymentID) == 0 {
                return model.DeviceDeploymentStatusNull, ErrStorageInvalidID
        }

        if err := ddState.Validate(); err != nil {
                return model.DeviceDeploymentStatusNull, ErrStorageInvalidInput
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        // Device should know only about deployments that are not finished
        query := bson.D{
                {Key: StorageKeyDeviceDeploymentDeviceId, Value: deviceID},
                {Key: StorageKeyDeviceDeploymentDeploymentID, Value: deploymentID},
                {Key: StorageKeyDeviceDeploymentDeleted, Value: bson.D{
                        {Key: "$exists", Value: false},
                }},
        }

        // update status field
        set := bson.M{
                StorageKeyDeviceDeploymentStatus: ddState.Status,
                StorageKeyDeviceDeploymentActive: ddState.Status.Active(),
        }
        // and finish time if provided
        if ddState.FinishTime != nil {
                set[StorageKeyDeviceDeploymentFinished] = ddState.FinishTime
        }

        if len(ddState.SubState) > 0 {
                set[StorageKeyDeviceDeploymentSubState] = ddState.SubState
        }

        if currentStatus == model.DeviceDeploymentStatusPending &&
                ddState.Status != currentStatus {
                startedTime := time.Now().UTC()
                set[StorageKeyDeviceDeploymentStarted] = startedTime
        }

        update := bson.D{
                {Key: "$set", Value: set},
        }

        var old model.DeviceDeployment

        if err := collDevs.FindOneAndUpdate(ctx, query, update).
                Decode(&old); err != nil {
                if err == mongo.ErrNoDocuments {
                        return model.DeviceDeploymentStatusNull, ErrStorageNotFound
                }
                return model.DeviceDeploymentStatusNull, err

        }

        return old.Status, nil
}

func (db *DataStoreMongo) UpdateDeviceDeploymentLogAvailability(ctx context.Context,
        deviceID string, deploymentID string, log bool) error {

        // Verify ID formatting
        if len(deviceID) == 0 ||
                len(deploymentID) == 0 {
                return ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        selector := bson.D{
                {Key: StorageKeyDeviceDeploymentDeviceId, Value: deviceID},
                {Key: StorageKeyDeviceDeploymentDeploymentID, Value: deploymentID},
                {Key: StorageKeyDeviceDeploymentDeleted, Value: bson.D{
                        {Key: "$exists", Value: false},
                }},
        }

        update := bson.D{
                {Key: "$set", Value: bson.M{
                        StorageKeyDeviceDeploymentIsLogAvailable: log}},
        }

        if res, err := collDevs.UpdateOne(ctx, selector, update); err != nil {
                return err
        } else if res.MatchedCount == 0 {
                return ErrStorageNotFound
        }

        return nil
}

// SaveDeviceDeploymentRequest saves device deployment request
// with the device deployment object
func (db *DataStoreMongo) SaveDeviceDeploymentRequest(
        ctx context.Context,
        ID string,
        request *model.DeploymentNextRequest,
) error {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        res, err := collDevs.UpdateOne(
                ctx,
                bson.D{{Key: StorageKeyId, Value: ID}},
                bson.D{{Key: "$set", Value: bson.M{StorageKeyDeviceDeploymentRequest: request}}},
        )
        if err != nil {
                return err
        } else if res.MatchedCount == 0 {
                return ErrStorageNotFound
        }
        return nil
}

// AssignArtifact assigns artifact to the device deployment
func (db *DataStoreMongo) AssignArtifact(
        ctx context.Context,
        deviceID string,
        deploymentID string,
        artifact *model.Image,
) error {

        // Verify ID formatting
        if len(deviceID) == 0 ||
                len(deploymentID) == 0 {
                return ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        selector := bson.D{
                {Key: StorageKeyDeviceDeploymentDeviceId, Value: deviceID},
                {Key: StorageKeyDeviceDeploymentDeploymentID, Value: deploymentID},
                {Key: StorageKeyDeviceDeploymentDeleted, Value: bson.D{
                        {Key: "$exists", Value: false},
                }},
        }

        update := bson.D{
                {Key: "$set", Value: bson.M{
                        StorageKeyDeviceDeploymentArtifact: artifact,
                }},
        }

        if res, err := collDevs.UpdateOne(ctx, selector, update); err != nil {
                return err
        } else if res.MatchedCount == 0 {
                return ErrStorageNotFound
        }

        return nil
}

func (db *DataStoreMongo) AggregateDeviceDeploymentByStatus(ctx context.Context,
        id string) (model.Stats, error) {

        if len(id) == 0 {
                return nil, ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        match := bson.D{
                {Key: "$match", Value: bson.M{
                        StorageKeyDeviceDeploymentDeploymentID: id,
                        StorageKeyDeviceDeploymentDeleted: bson.D{
                                {Key: "$exists", Value: false},
                        },
                }},
        }
        group := bson.D{
                {Key: "$group", Value: bson.D{
                        {Key: "_id",
                                Value: "$" + StorageKeyDeviceDeploymentStatus},
                        {Key: "count",
                                Value: bson.M{"$sum": 1}}},
                },
        }
        pipeline := []bson.D{
                match,
                group,
        }
        var results []struct {
                Status model.DeviceDeploymentStatus `bson:"_id"`
                Count  int
        }
        cursor, err := collDevs.Aggregate(ctx, pipeline)
        if err != nil {
                return nil, err
        }
        if err := cursor.All(ctx, &results); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        raw := model.NewDeviceDeploymentStats()
        for _, res := range results {
                raw.Set(res.Status, res.Count)
        }
        return raw, nil
}

// GetDeviceStatusesForDeployment retrieve device deployment statuses for a given deployment.
func (db *DataStoreMongo) GetDeviceStatusesForDeployment(ctx context.Context,
        deploymentID string) ([]model.DeviceDeployment, error) {

        statuses := []model.DeviceDeployment{}
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        query := bson.M{
                StorageKeyDeviceDeploymentDeploymentID: deploymentID,
                StorageKeyDeviceDeploymentDeleted: bson.D{
                        {Key: "$exists", Value: false},
                },
        }

        cursor, err := collDevs.Find(ctx, query)
        if err != nil {
                return nil, err
        }

        if err = cursor.All(ctx, &statuses); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return statuses, nil
}

func (db *DataStoreMongo) GetDevicesListForDeployment(ctx context.Context,
        q store.ListQuery) ([]model.DeviceDeployment, int, error) {

        statuses := []model.DeviceDeployment{}
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        query := bson.D{
                {Key: StorageKeyDeviceDeploymentDeploymentID, Value: q.DeploymentID},
                {Key: StorageKeyDeviceDeploymentDeleted, Value: bson.D{
                        {Key: "$exists", Value: false},
                }},
        }
        if q.Status != nil {
                if *q.Status == model.DeviceDeploymentStatusPauseStr {
                        query = append(query, bson.E{
                                Key: "status", Value: bson.D{{
                                        Key:   "$gte",
                                        Value: model.DeviceDeploymentStatusPauseBeforeInstall,
                                }, {
                                        Key:   "$lte",
                                        Value: model.DeviceDeploymentStatusPauseBeforeReboot,
                                }},
                        })
                } else if *q.Status == model.DeviceDeploymentStatusActiveStr {
                        query = append(query, bson.E{
                                Key: "status", Value: bson.D{{
                                        Key:   "$gte",
                                        Value: model.DeviceDeploymentStatusPauseBeforeInstall,
                                }, {
                                        Key:   "$lte",
                                        Value: model.DeviceDeploymentStatusPending,
                                }},
                        })
                } else if *q.Status == model.DeviceDeploymentStatusFinishedStr {
                        query = append(query, bson.E{
                                Key: "status", Value: bson.D{{
                                        Key: "$in",
                                        Value: []model.DeviceDeploymentStatus{
                                                model.DeviceDeploymentStatusFailure,
                                                model.DeviceDeploymentStatusAborted,
                                                model.DeviceDeploymentStatusSuccess,
                                                model.DeviceDeploymentStatusNoArtifact,
                                                model.DeviceDeploymentStatusAlreadyInst,
                                                model.DeviceDeploymentStatusDecommissioned,
                                        },
                                }},
                        })
                } else {
                        var status model.DeviceDeploymentStatus
                        err := status.UnmarshalText([]byte(*q.Status))
                        if err != nil {
                                return nil, -1, errors.Wrap(err, "invalid status query")
                        }
                        query = append(query, bson.E{
                                Key: "status", Value: status,
                        })
                }
        }

        options := mopts.Find()
        sortFieldQuery := bson.D{
                {Key: StorageKeyDeviceDeploymentStatus, Value: 1},
                {Key: StorageKeyDeviceDeploymentDeviceId, Value: 1},
        }
        options.SetSort(sortFieldQuery)
        if q.Skip > 0 {
                options.SetSkip(int64(q.Skip))
        }
        if q.Limit > 0 {
                options.SetLimit(int64(q.Limit))
        } else {
                options.SetLimit(DefaultDocumentLimit)
        }

        cursor, err := collDevs.Find(ctx, query, options)
        if err != nil {
                return nil, -1, err
        }

        if err = cursor.All(ctx, &statuses); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, -1, nil
                }
                return nil, -1, err
        }

        count, err := collDevs.CountDocuments(ctx, query)
        if err != nil {
                return nil, -1, ErrDevicesCountFailed
        }

        return statuses, int(count), nil
}

func (db *DataStoreMongo) GetDeviceDeploymentsForDevice(ctx context.Context,
        q store.ListQueryDeviceDeployments) ([]model.DeviceDeployment, int, error) {

        statuses := []model.DeviceDeployment{}
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        query := bson.D{}
        if q.DeviceID != "" {
                query = append(query, bson.E{
                        Key:   StorageKeyDeviceDeploymentDeviceId,
                        Value: q.DeviceID,
                })
        } else if len(q.IDs) > 0 {
                query = append(query, bson.E{
                        Key: StorageKeyId,
                        Value: bson.D{{
                                Key:   "$in",
                                Value: q.IDs,
                        }},
                })
        }

        if q.Status != nil {
                if *q.Status == model.DeviceDeploymentStatusPauseStr {
                        query = append(query, bson.E{
                                Key: "status", Value: bson.D{{
                                        Key:   "$gte",
                                        Value: model.DeviceDeploymentStatusPauseBeforeInstall,
                                }, {
                                        Key:   "$lte",
                                        Value: model.DeviceDeploymentStatusPauseBeforeReboot,
                                }},
                        })
                } else if *q.Status == model.DeviceDeploymentStatusActiveStr {
                        query = append(query, bson.E{
                                Key: "status", Value: bson.D{{
                                        Key:   "$gte",
                                        Value: model.DeviceDeploymentStatusPauseBeforeInstall,
                                }, {
                                        Key:   "$lte",
                                        Value: model.DeviceDeploymentStatusPending,
                                }},
                        })
                } else if *q.Status == model.DeviceDeploymentStatusFinishedStr {
                        query = append(query, bson.E{
                                Key: "status", Value: bson.D{{
                                        Key: "$in",
                                        Value: []model.DeviceDeploymentStatus{
                                                model.DeviceDeploymentStatusFailure,
                                                model.DeviceDeploymentStatusAborted,
                                                model.DeviceDeploymentStatusSuccess,
                                                model.DeviceDeploymentStatusNoArtifact,
                                                model.DeviceDeploymentStatusAlreadyInst,
                                                model.DeviceDeploymentStatusDecommissioned,
                                        },
                                }},
                        })
                } else {
                        var status model.DeviceDeploymentStatus
                        err := status.UnmarshalText([]byte(*q.Status))
                        if err != nil {
                                return nil, -1, errors.Wrap(err, "invalid status query")
                        }
                        query = append(query, bson.E{
                                Key: "status", Value: status,
                        })
                }
        }

        options := mopts.Find()
        sortFieldQuery := bson.D{
                {Key: StorageKeyDeviceDeploymentCreated, Value: -1},
                {Key: StorageKeyDeviceDeploymentStatus, Value: -1},
        }
        options.SetSort(sortFieldQuery)
        if q.Skip > 0 {
                options.SetSkip(int64(q.Skip))
        }
        if q.Limit > 0 {
                options.SetLimit(int64(q.Limit))
        } else {
                options.SetLimit(DefaultDocumentLimit)
        }

        cursor, err := collDevs.Find(ctx, query, options)
        if err != nil {
                return nil, -1, err
        }

        if err = cursor.All(ctx, &statuses); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, 0, nil
                }
                return nil, -1, err
        }

        maxCount := maxCountDocuments
        countOptions := &mopts.CountOptions{
                Limit: &maxCount,
        }
        count, err := collDevs.CountDocuments(ctx, query, countOptions)
        if err != nil {
                return nil, -1, ErrDevicesCountFailed
        }

        return statuses, int(count), nil
}

// Returns true if deployment of ID `deploymentID` is assigned to device with ID
// `deviceID`, false otherwise. In case of errors returns false and an error
// that occurred
func (db *DataStoreMongo) HasDeploymentForDevice(ctx context.Context,
        deploymentID string, deviceID string) (bool, error) {

        var dep model.DeviceDeployment
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        query := bson.D{
                {Key: StorageKeyDeviceDeploymentDeploymentID, Value: deploymentID},
                {Key: StorageKeyDeviceDeploymentDeviceId, Value: deviceID},
                {Key: StorageKeyDeviceDeploymentDeleted, Value: bson.D{
                        {Key: "$exists", Value: false},
                }},
        }

        if err := collDevs.FindOne(ctx, query).Decode(&dep); err != nil {
                if err == mongo.ErrNoDocuments {
                        return false, nil
                } else {
                        return false, err
                }
        }

        return true, nil
}

func (db *DataStoreMongo) AbortDeviceDeployments(ctx context.Context,
        deploymentId string) error {

        if len(deploymentId) == 0 {
                return ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)
        selector := bson.M{
                StorageKeyDeviceDeploymentDeploymentID: deploymentId,
                StorageKeyDeviceDeploymentActive:       true,
                StorageKeyDeviceDeploymentDeleted: bson.D{
                        {Key: "$exists", Value: false},
                },
        }

        update := bson.M{
                "$set": bson.M{
                        StorageKeyDeviceDeploymentStatus: model.DeviceDeploymentStatusAborted,
                        StorageKeyDeviceDeploymentActive: false,
                },
        }

        if _, err := collDevs.UpdateMany(ctx, selector, update); err != nil {
                return err
        }

        return nil
}

func (db *DataStoreMongo) DeleteDeviceDeploymentsHistory(ctx context.Context,
        deviceID string) error {
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)
        selector := bson.M{
                StorageKeyDeviceDeploymentDeviceId: deviceID,
                StorageKeyDeviceDeploymentActive:   false,
                StorageKeyDeviceDeploymentDeleted: bson.M{
                        "$exists": false,
                },
        }

        now := time.Now()
        update := bson.M{
                "$set": bson.M{
                        StorageKeyDeviceDeploymentDeleted: &now,
                },
        }

        if _, err := collDevs.UpdateMany(ctx, selector, update); err != nil {
                return err
        }

        database = db.client.Database(DatabaseName)
        collDevs = database.Collection(CollectionDevicesLastStatus)
        _, err := collDevs.DeleteMany(ctx, bson.M{StorageKeyDeviceDeploymentDeviceId: deviceID})

        return err
}

func (db *DataStoreMongo) DecommissionDeviceDeployments(ctx context.Context,
        deviceId string) error {

        if len(deviceId) == 0 {
                return ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)
        selector := bson.M{
                StorageKeyDeviceDeploymentDeviceId: deviceId,
                StorageKeyDeviceDeploymentActive:   true,
                StorageKeyDeviceDeploymentDeleted: bson.D{
                        {Key: "$exists", Value: false},
                },
        }

        update := bson.M{
                "$set": bson.M{
                        StorageKeyDeviceDeploymentStatus: model.DeviceDeploymentStatusDecommissioned,
                        StorageKeyDeviceDeploymentActive: false,
                },
        }

        if _, err := collDevs.UpdateMany(ctx, selector, update); err != nil {
                return err
        }

        return nil
}

func (db *DataStoreMongo) GetDeviceDeployment(ctx context.Context, deploymentID string,
        deviceID string, includeDeleted bool) (*model.DeviceDeployment, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        filter := bson.M{
                StorageKeyDeviceDeploymentDeploymentID: deploymentID,
                StorageKeyDeviceDeploymentDeviceId:     deviceID,
        }
        if !includeDeleted {
                filter[StorageKeyDeviceDeploymentDeleted] = bson.D{
                        {Key: "$exists", Value: false},
                }
        }

        opts := &mopts.FindOneOptions{}
        opts.SetSort(bson.D{{Key: "created", Value: -1}})

        var dd model.DeviceDeployment
        if err := collDevs.FindOne(ctx, filter, opts).Decode(&dd); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, ErrStorageNotFound
                }
                return nil, err
        }

        return &dd, nil
}

func (db *DataStoreMongo) GetDeviceDeployments(
        ctx context.Context,
        skip int,
        limit int,
        deviceID string,
        active *bool,
        includeDeleted bool,
) ([]model.DeviceDeployment, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        filter := bson.M{}
        if !includeDeleted {
                filter[StorageKeyDeviceDeploymentDeleted] = bson.D{
                        {Key: "$exists", Value: false},
                }
        }
        if deviceID != "" {
                filter[StorageKeyDeviceDeploymentDeviceId] = deviceID
        }
        if active != nil {
                filter[StorageKeyDeviceDeploymentActive] = *active
        }

        opts := &mopts.FindOptions{}
        opts.SetSort(bson.D{{Key: "created", Value: -1}})
        if skip > 0 {
                opts.SetSkip(int64(skip))
        }
        if limit > 0 {
                opts.SetLimit(int64(limit))
        }

        var deviceDeployments []model.DeviceDeployment
        cursor, err := collDevs.Find(ctx, filter, opts)
        if err != nil {
                return nil, err
        }
        if err := cursor.All(ctx, &deviceDeployments); err != nil {
                return nil, err
        }

        return deviceDeployments, nil
}

// deployments

func (db *DataStoreMongo) EnsureIndexes(dbName string, collName string,
        indexes ...mongo.IndexModel) error {
        ctx := context.Background()
        dataBase := db.client.Database(dbName)

        coll := dataBase.Collection(collName)
        idxView := coll.Indexes()
        _, err := idxView.CreateMany(ctx, indexes)
        return err
}

// return true if required indexing was set up
func (db *DataStoreMongo) hasIndexing(ctx context.Context, client *mongo.Client) bool {

        var idx bson.M
        database := client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)
        idxView := collDpl.Indexes()

        cursor, err := idxView.List(ctx)
        if err != nil {
                // check failed, assume indexing is not there
                return false
        }

        has := map[string]bool{}
        for cursor.Next(ctx) {
                if err = cursor.Decode(&idx); err != nil {
                        continue
                }
                if _, ok := idx["weights"]; ok {
                        // text index
                        for k := range idx["weights"].(bson.M) {
                                has[k] = true
                        }
                } else {
                        for i := range idx["key"].(bson.M) {
                                has[i] = true
                        }

                }
        }
        if err != nil {
                return false
        }

        for _, key := range StorageIndexes.Keys.(bson.D) {
                _, ok := has[key.Key]
                if !ok {
                        return false
                }
        }

        return true
}

// Insert persists object
func (db *DataStoreMongo) InsertDeployment(
        ctx context.Context,
        deployment *model.Deployment,
) error {

        if deployment == nil {
                return ErrDeploymentStorageInvalidDeployment
        }

        if err := deployment.Validate(); err != nil {
                return err
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        if _, err := collDpl.InsertOne(ctx, deployment); err != nil {
                return err
        }
        return nil
}

// Delete removed entry by ID
// Noop on ID not found
func (db *DataStoreMongo) DeleteDeployment(ctx context.Context, id string) error {

        if len(id) == 0 {
                return ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        if _, err := collDpl.DeleteOne(ctx, bson.M{"_id": id}); err != nil {
                return err
        }

        return nil
}

func (db *DataStoreMongo) FindDeploymentByID(
        ctx context.Context,
        id string,
) (*model.Deployment, error) {

        if len(id) == 0 {
                return nil, ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        deployment := new(model.Deployment)
        if err := collDpl.FindOne(ctx, bson.M{"_id": id}).
                Decode(deployment); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return deployment, nil
}

func (db *DataStoreMongo) FindDeploymentStatsByIDs(
        ctx context.Context,
        ids ...string,
) (deploymentStats []*model.DeploymentStats, err error) {

        if len(ids) == 0 {
                return nil, errors.New("no IDs passed into the function. At least one is required")
        }

        for _, id := range ids {
                if len(id) == 0 {
                        return nil, ErrStorageInvalidID
                }
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        query := bson.M{
                "_id": bson.M{
                        "$in": ids,
                },
        }
        statsProjection := &mopts.FindOptions{
                Projection: bson.M{"stats": 1},
        }

        results, err := collDpl.Find(
                ctx,
                query,
                statsProjection,
        )
        if err != nil {
                return nil, err
        }

        for results.Next(context.Background()) {
                depl := new(model.DeploymentStats)
                if err = results.Decode(&depl); err != nil {
                        if err == mongo.ErrNoDocuments {
                                return nil, nil
                        }
                        return nil, err
                }
                deploymentStats = append(deploymentStats, depl)
        }

        return deploymentStats, nil
}

func (db *DataStoreMongo) FindUnfinishedByID(ctx context.Context,
        id string) (*model.Deployment, error) {

        if len(id) == 0 {
                return nil, ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        var deployment *model.Deployment
        filter := bson.D{
                {Key: "_id", Value: id},
                {Key: StorageKeyDeploymentFinished, Value: nil},
        }
        if err := collDpl.FindOne(ctx, filter).
                Decode(&deployment); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return deployment, nil
}

func (db *DataStoreMongo) IncrementDeploymentDeviceCount(
        ctx context.Context,
        deploymentID string,
        increment int,
) error {
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collection := database.Collection(CollectionDeployments)

        filter := bson.M{
                "_id": deploymentID,
                StorageKeyDeploymentDeviceCount: bson.M{
                        "$ne": nil,
                },
        }

        update := bson.M{
                "$inc": bson.M{
                        StorageKeyDeploymentDeviceCount: increment,
                },
        }

        _, err := collection.UpdateOne(ctx, filter, update)
        return err
}

func (db *DataStoreMongo) SetDeploymentDeviceCount(
        ctx context.Context,
        deploymentID string,
        count int,
) error {
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collection := database.Collection(CollectionDeployments)

        filter := bson.M{
                "_id": deploymentID,
                StorageKeyDeploymentDeviceCount: bson.M{
                        "$eq": nil,
                },
        }

        update := bson.M{
                "$set": bson.M{
                        StorageKeyDeploymentDeviceCount: count,
                },
        }

        _, err := collection.UpdateOne(ctx, filter, update)
        return err
}

func (db *DataStoreMongo) DeviceCountByDeployment(ctx context.Context,
        id string) (int, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDevs := database.Collection(CollectionDevices)

        filter := bson.M{
                StorageKeyDeviceDeploymentDeploymentID: id,
                StorageKeyDeviceDeploymentDeleted: bson.D{
                        {Key: "$exists", Value: false},
                },
        }

        deviceCount, err := collDevs.CountDocuments(ctx, filter)
        if err != nil {
                return 0, err
        }

        return int(deviceCount), nil
}

func (db *DataStoreMongo) UpdateStats(ctx context.Context,
        id string, stats model.Stats) error {

        if len(id) == 0 {
                return ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        deployment, err := model.NewDeployment()
        if err != nil {
                return errors.Wrap(err, "failed to create deployment")
        }

        deployment.Stats = stats
        var update bson.M
        if deployment.IsFinished() {
                now := time.Now()

                update = bson.M{
                        "$set": bson.M{
                                StorageKeyDeploymentStats:    stats,
                                StorageKeyDeploymentFinished: &now,
                        },
                }
        } else {
                update = bson.M{
                        "$set": bson.M{
                                StorageKeyDeploymentStats: stats,
                        },
                }
        }

        res, err := collDpl.UpdateOne(ctx, bson.M{"_id": id}, update)
        if res != nil && res.MatchedCount == 0 {
                return ErrStorageInvalidID
        }
        return err
}

func (db *DataStoreMongo) UpdateStatsInc(ctx context.Context, id string,
        stateFrom, stateTo model.DeviceDeploymentStatus) error {

        if len(id) == 0 {
                return ErrStorageInvalidID
        }

        if _, err := stateTo.MarshalText(); err != nil {
                return ErrStorageInvalidInput
        }

        // does not need any extra operations
        // following query won't handle this case well and increase the state_to value
        if stateFrom == stateTo {
                return nil
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        var update bson.M

        if stateFrom == model.DeviceDeploymentStatusNull {
                // note dot notation on embedded document
                update = bson.M{
                        "$inc": bson.M{
                                "stats." + stateTo.String(): 1,
                        },
                }
        } else {
                // note dot notation on embedded document
                update = bson.M{
                        "$inc": bson.M{
                                "stats." + stateFrom.String(): -1,
                                "stats." + stateTo.String():   1,
                        },
                }
        }

        res, err := collDpl.UpdateOne(ctx, bson.M{"_id": id}, update)

        if res != nil && res.MatchedCount == 0 {
                return ErrStorageInvalidID
        }

        return err
}

func (db *DataStoreMongo) IncrementDeploymentTotalSize(
        ctx context.Context,
        deploymentID string,
        increment int64,
) error {
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collection := database.Collection(CollectionDeployments)

        filter := bson.M{
                "_id": deploymentID,
        }

        update := bson.M{
                "$inc": bson.M{
                        StorageKeyDeploymentTotalSize: increment,
                },
        }

        _, err := collection.UpdateOne(ctx, filter, update)
        return err
}

func (db *DataStoreMongo) Find(ctx context.Context,
        match model.Query) ([]*model.Deployment, int64, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        andq := []bson.M{}

        // filter by IDs
        if match.IDs != nil {
                tq := bson.M{
                        "_id": bson.M{
                                "$in": match.IDs,
                        },
                }
                andq = append(andq, tq)
        }

        // build deployment by name part of the query
        if match.SearchText != "" {
                // we must have indexing for text search
                if !db.hasIndexing(ctx, db.client) {
                        return nil, 0, ErrDeploymentStorageCannotExecQuery
                }

                tq := bson.M{
                        "$text": bson.M{
                                "$search": "\"" + match.SearchText + "\"",
                        },
                }

                andq = append(andq, tq)
        }

        // build deployment by status part of the query
        if match.Status != model.StatusQueryAny {
                var status model.DeploymentStatus
                if match.Status == model.StatusQueryPending {
                        status = model.DeploymentStatusPending
                } else if match.Status == model.StatusQueryInProgress {
                        status = model.DeploymentStatusInProgress
                } else {
                        status = model.DeploymentStatusFinished
                }
                stq := bson.M{StorageKeyDeploymentStatus: status}
                andq = append(andq, stq)
        }

        // build deployment by type part of the query
        if match.Type != "" {
                if match.Type == model.DeploymentTypeConfiguration {
                        andq = append(andq, bson.M{StorageKeyDeploymentType: match.Type})
                } else if match.Type == model.DeploymentTypeSoftware {
                        andq = append(andq, bson.M{
                                "$or": []bson.M{
                                        {StorageKeyDeploymentType: match.Type},
                                        {StorageKeyDeploymentType: ""},
                                },
                        })
                }
        }

        query := bson.M{}
        if len(andq) != 0 {
                // use search criteria if any
                query = bson.M{
                        "$and": andq,
                }
        }

        if match.CreatedAfter != nil && match.CreatedBefore != nil {
                query["created"] = bson.M{
                        "$gte": match.CreatedAfter,
                        "$lte": match.CreatedBefore,
                }
        } else if match.CreatedAfter != nil {
                query["created"] = bson.M{
                        "$gte": match.CreatedAfter,
                }
        } else if match.CreatedBefore != nil {
                query["created"] = bson.M{
                        "$lte": match.CreatedBefore,
                }
        }

        options := db.findOptions(match)

        var deployments []*model.Deployment
        cursor, err := collDpl.Find(ctx, query, options)
        if err != nil {
                return nil, 0, err
        }
        if err := cursor.All(ctx, &deployments); err != nil {
                return nil, 0, err
        }
        // Count documents if we didn't find all already.
        count := int64(0)
        if !match.DisableCount {
                count = int64(len(deployments))
                if count >= int64(match.Limit) {
                        count, err = collDpl.CountDocuments(ctx, query)
                        if err != nil {
                                return nil, 0, err
                        }
                } else {
                        // Don't forget to add the skipped documents
                        count += int64(match.Skip)
                }
        }

        return deployments, count, nil
}

func (db *DataStoreMongo) findOptions(match model.Query) *mopts.FindOptions {
        options := &mopts.FindOptions{}
        if match.Sort == model.SortDirectionAscending {
                options.SetSort(bson.D{{Key: "created", Value: 1}})
        } else {
                options.SetSort(bson.D{{Key: "created", Value: -1}})
        }
        if match.Skip > 0 {
                options.SetSkip(int64(match.Skip))
        }
        if match.Limit > 0 {
                options.SetLimit(int64(match.Limit))
        } else {
                options.SetLimit(DefaultDocumentLimit)
        }
        return options
}

// FindNewerActiveDeployments finds active deployments which were created
// after createdAfter
func (db *DataStoreMongo) FindNewerActiveDeployments(ctx context.Context,
        createdAfter *time.Time, skip, limit int) ([]*model.Deployment, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        c := database.Collection(CollectionDeployments)

        queryFilters := make([]bson.M, 0)
        queryFilters = append(queryFilters, bson.M{StorageKeyDeploymentActive: true})
        queryFilters = append(queryFilters,
                bson.M{StorageKeyDeploymentCreated: bson.M{"$gt": createdAfter}})
        findQuery := bson.M{}
        findQuery["$and"] = queryFilters

        findOptions := &mopts.FindOptions{}
        findOptions.SetSkip(int64(skip))
        findOptions.SetLimit(int64(limit))

        findOptions.SetSort(bson.D{{Key: StorageKeyDeploymentCreated, Value: 1}})
        cursor, err := c.Find(ctx, findQuery, findOptions)
        if err != nil {
                return nil, errors.Wrap(err, "failed to get deployments")
        }
        defer cursor.Close(ctx)

        var deployments []*model.Deployment

        if err = cursor.All(ctx, &deployments); err != nil {
                return nil, errors.Wrap(err, "failed to get deployments")
        }

        return deployments, nil
}

// SetDeploymentStatus simply sets the status field
// optionally sets 'finished time' if deployment is indeed finished
func (db *DataStoreMongo) SetDeploymentStatus(
        ctx context.Context,
        id string,
        status model.DeploymentStatus,
        now time.Time,
) error {
        if len(id) == 0 {
                return ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        var update bson.M
        if status == model.DeploymentStatusFinished {
                update = bson.M{
                        "$set": bson.M{
                                StorageKeyDeploymentActive:   false,
                                StorageKeyDeploymentStatus:   status,
                                StorageKeyDeploymentFinished: &now,
                        },
                }
        } else {
                update = bson.M{
                        "$set": bson.M{
                                StorageKeyDeploymentActive: true,
                                StorageKeyDeploymentStatus: status,
                        },
                }
        }

        res, err := collDpl.UpdateOne(ctx, bson.M{"_id": id}, update)

        if res != nil && res.MatchedCount == 0 {
                return ErrStorageInvalidID
        }

        return err
}

// ExistUnfinishedByArtifactId checks if there is an active deployment that uses
// given artifact
func (db *DataStoreMongo) ExistUnfinishedByArtifactId(ctx context.Context,
        id string) (bool, error) {

        if len(id) == 0 {
                return false, ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        var tmp interface{}
        query := bson.D{
                {Key: StorageKeyDeploymentFinished, Value: nil},
                {Key: StorageKeyDeploymentArtifacts, Value: id},
        }
        if err := collDpl.FindOne(ctx, query).Decode(&tmp); err != nil {
                if err == mongo.ErrNoDocuments {
                        return false, nil
                }
                return false, err
        }

        return true, nil
}

// ExistUnfinishedByArtifactName checks if there is an active deployment that uses
// given artifact
func (db *DataStoreMongo) ExistUnfinishedByArtifactName(ctx context.Context,
        artifactName string) (bool, error) {

        if len(artifactName) == 0 {
                return false, ErrImagesStorageInvalidArtifactName
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        var tmp interface{}
        query := bson.D{
                {Key: StorageKeyDeploymentFinished, Value: nil},
                {Key: StorageKeyDeploymentArtifactName, Value: artifactName},
        }

        projection := bson.M{
                "_id": 1,
        }
        findOptions := mopts.FindOne()
        findOptions.SetProjection(projection)

        if err := collDpl.FindOne(ctx, query, findOptions).Decode(&tmp); err != nil {
                if err == mongo.ErrNoDocuments {
                        return false, nil
                }
                return false, err
        }

        return true, nil
}

// ExistByArtifactId check if there is any deployment that uses give artifact
func (db *DataStoreMongo) ExistByArtifactId(ctx context.Context,
        id string) (bool, error) {

        if len(id) == 0 {
                return false, ErrStorageInvalidID
        }

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        var tmp interface{}
        query := bson.D{
                {Key: StorageKeyDeploymentArtifacts, Value: id},
        }
        if err := collDpl.FindOne(ctx, query).Decode(&tmp); err != nil {
                if err == mongo.ErrNoDocuments {
                        return false, nil
                }
                return false, err
        }

        return true, nil
}

// Per-tenant storage settings
func (db *DataStoreMongo) GetStorageSettings(ctx context.Context) (*model.StorageSettings, error) {
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collection := database.Collection(CollectionStorageSettings)

        settings := new(model.StorageSettings)
        // supposed that it's only one document in the collection
        query := bson.M{
                "_id": StorageKeyStorageSettingsDefaultID,
        }
        if err := collection.FindOne(ctx, query).Decode(settings); err != nil {
                if err == mongo.ErrNoDocuments {
                        return nil, nil
                }
                return nil, err
        }

        return settings, nil
}

func (db *DataStoreMongo) SetStorageSettings(
        ctx context.Context,
        storageSettings *model.StorageSettings,
) error {
        var err error
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collection := database.Collection(CollectionStorageSettings)

        filter := bson.M{
                "_id": StorageKeyStorageSettingsDefaultID,
        }
        if storageSettings != nil {
                replaceOptions := mopts.Replace()
                replaceOptions.SetUpsert(true)
                _, err = collection.ReplaceOne(ctx, filter, storageSettings, replaceOptions)
        } else {
                _, err = collection.DeleteOne(ctx, filter)
        }

        return err
}

func (db *DataStoreMongo) UpdateDeploymentsWithArtifactName(
        ctx context.Context,
        artifactName string,
        artifactIDs []string,
) error {
        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        query := bson.D{
                {Key: StorageKeyDeploymentFinished, Value: nil},
                {Key: StorageKeyDeploymentArtifactName, Value: artifactName},
        }
        update := bson.M{
                "$set": bson.M{
                        StorageKeyDeploymentArtifacts: artifactIDs,
                },
        }

        _, err := collDpl.UpdateMany(ctx, query, update)
        return err
}

func (db *DataStoreMongo) GetDeploymentIDsByArtifactNames(
        ctx context.Context,
        artifactNames []string,
) ([]string, error) {

        database := db.client.Database(mstore.DbFromContext(ctx, DatabaseName))
        collDpl := database.Collection(CollectionDeployments)

        query := bson.M{
                StorageKeyDeploymentArtifactName: bson.M{
                        "$in": artifactNames,
                },
        }

        projection := bson.M{
                "_id": 1,
        }
        findOptions := mopts.Find()
        findOptions.SetProjection(projection)

        cursor, err := collDpl.Find(ctx, query, findOptions)
        if err != nil {
                return []string{}, err
        }
        defer cursor.Close(ctx)

        var deployments []*model.Deployment
        if err = cursor.All(ctx, &deployments); err != nil {
                if err == mongo.ErrNoDocuments {
                        err = nil
                }
                return []string{}, err
        }

        ids := make([]string, len(deployments))
        for i, d := range deployments {
                ids[i] = d.Id
        }

        return ids, nil
}

func (db *DataStoreMongo) GetTenantDbs() ([]string, error) {
        return migrate.GetTenantDbs(context.Background(), db.client, mstore.IsTenantDb(DbName))
}

mendersoftware / deployments / 1072216342

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