model

package
v0.0.0-...-4a11b79 Latest Latest
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 Go to latest Published: Sep 2, 2020 License: Apache-2.0 Imports: 16 Imported by: 0

Documentation

Overview

Package model contains datastore model implementation.

Index

Constants

View Source 
const (
	// BucketKind is a bucket entity's kind in the datastore.
	BucketKind = "BucketV2"
)
View Source 
const (
	// BuildKind is a Build entity's kind in the datastore.
	BuildKind = "Build"
)
View Source 
const BuildStepsMaxBytes = 1e6

BuildStepsMaxBytes is the maximum length of BuildSteps.Bytes. If Bytes exceeds this maximum, this package will try to compress it, setting IsZipped accordingly, but if this length is still exceeded it's an error to write such entities to the datastore. Use FromProto to ensure this maximum is respected.

View Source 
const BuilderKind = "Bucket.Builder"

BuilderKind is the kind of the Builder entity.

View Source 
const MaxTagIndexEntries = 1000

MaxTagIndexEntries is the maximum number of entries that may be associated with a single TagIndex entity.

View Source 
const TagIndexShardCount = 16

TagIndexShardCount is the number of shards used by the TagIndex.

Variables

View Source 
var TagIndexIncomplete = errors.BoolTag{Key: errors.NewTagKey("tag index incomplete")}

TagIndexIncomplete means the tag index is incomplete and thus cannot be searched.

Functions

func BucketKey 

func BucketKey(ctx context.Context, project, bucket string) *datastore.Key

BucketKey returns a datastore key of a bucket.

func BuilderKey 

func BuilderKey(ctx context.Context, project, bucket, builder string) *datastore.Key

BuilderKey returns a datastore key of a builder.

func GetBuildAndBucket 

func GetBuildAndBucket(ctx context.Context, id int64) (*Build, *Bucket, error)

GetBuildAndBucket returns the build with the given ID as well as the bucket it belongs to. Returns datastore.ErrNoSuchEntity if either is not found.

func GetIgnoreMissing 

func GetIgnoreMissing(ctx context.Context, dst ...interface{}) error

GetIgnoreMissing fetches the given entities from the datastore, ignoring datastore.ErrNoSuchEntity errors. All other errors are returned. For valid values of dst, see datastore.Get.

func LoadBuildBundles 

func LoadBuildBundles(ctx context.Context, pbBuilds []*pb.Build, m mask.Mask) error

LoadBuildBundles load the build bundles into the proto builds and trim them according to the mask.

func ProjectKey 

func ProjectKey(ctx context.Context, project string) *datastore.Key

ProjectKey returns a datastore key of a project.

Types

type Bucket 

type Bucket struct {

	// ID is the bucket in v2 format.
	// e.g. try (never luci.chromium.try).
	ID     string         `gae:"$id"`
	Parent *datastore.Key `gae:"$parent"`

	// Bucket is the bucket in v2 format.
	// e.g. try (never luci.chromium.try).
	Bucket string `gae:"bucket_name"`
	// Proto is the pb.Bucket proto representation of the bucket.
	//
	// acl_sets is zeroed by inlining acls. swarming.builders is
	// zeroed and stored in separate Builder datastore entities due to
	// potentially large size.
	//
	// noindex is not respected here, it's set in pb.Bucket.ToProperty.
	Proto pb.Bucket `gae:"config,noindex"`
	// Revision is the config revision this entity was created from.
	// TODO(crbug/1042991): Switch to noindex.
	Revision string `gae:"revision"`
	// Schema is this entity's schema version.
	// TODO(crbug/1042991): Switch to noindex.
	Schema int32 `gae:"entity_schema_version"`
	// contains filtered or unexported fields
}

Bucket is a representation of a bucket in the datastore.

type Build 

type Build struct {
	ID int64 `gae:"$id"`

	// LegacyProperties are properties set for v1 legacy builds.
	LegacyProperties
	// UnusedProperties are properties set previously but currently unused.
	UnusedProperties

	// Proto is the pb.Build proto representation of the build.
	//
	// infra, input.properties, output.properties, and steps
	// are zeroed and stored in separate datastore entities
	// due to their potentially large size (see details.go).
	// tags are given their own field so they can be indexed.
	//
	// noindex is not respected here, it's set in pb.Build.ToProperty.
	Proto pb.Build `gae:"proto,noindex"`

	Project string `gae:"project"`
	// <project>/<bucket>. Bucket is in v2 format.
	// e.g. chromium/try (never chromium/luci.chromium.try).
	BucketID string `gae:"bucket_id"`
	// <project>/<bucket>/<builder>. Bucket is in v2 format.
	// e.g. chromium/try/linux-rel.
	BuilderID string `gae:"builder_id"`

	Canary bool `gae:"canary"`

	CreatedBy identity.Identity `gae:"created_by"`
	// TODO(nodir): Replace reliance on create_time indices with id.
	CreateTime time.Time `gae:"create_time"`
	// Experimental, if true, means to exclude from monitoring and search results
	// (unless specifically requested in search results).
	Experimental bool `gae:"experimental"`
	// Experiments is a slice of experiments enabled or disabled on this build.
	// Each element should look like "[-+]$experiment_name".
	Experiments         []string  `gae:"experiments"`
	Incomplete          bool      `gae:"incomplete"`
	IsLuci              bool      `gae:"is_luci"`
	ResultDBUpdateToken string    `gae:"resultdb_update_token,noindex"`
	Status              pb.Status `gae:"status_v2"`
	StatusChangedTime   time.Time `gae:"status_changed_time"`
	// Tags is a slice of "<key>:<value>" strings taken from Proto.Tags.
	// Stored separately in order to index.
	Tags []string `gae:"tags"`

	// PubSubCallback, if set, creates notifications for build status changes.
	PubSubCallback PubSubCallback `gae:"pubsub_callback,noindex"`
	// contains filtered or unexported fields
}

Build is a representation of a build in the datastore. Implements datastore.PropertyLoadSaver.

func (*Build) Load 

func (b *Build) Load(p datastore.PropertyMap) error

Load overwrites this representation of a build by reading the given datastore.PropertyMap. Mutates this entity.

func (*Build) Save 

func (b *Build) Save(withMeta bool) (datastore.PropertyMap, error)

Save returns the datastore.PropertyMap representation of this build. Mutates this entity to reflect computed datastore fields in the returned PropertyMap.

func (*Build) ToProto 

func (b *Build) ToProto(ctx context.Context, m mask.Mask) (*pb.Build, error)

ToProto returns the *pb.Build representation of this build.

func (*Build) ToSimpleBuildProto 

func (b *Build) ToSimpleBuildProto(ctx context.Context) *pb.Build

ToSimpleBuildProto returns the *pb.Build without loading steps, infra, input/output properties.

type BuildInfra 

type BuildInfra struct {

	// ID is always 1 because only one such entity exists.
	ID int `gae:"$id"`
	// Build is the key for the build this entity belongs to.
	Build *datastore.Key `gae:"$parent"`
	// Proto is the pb.BuildInfra proto representation of the infra field.
	Proto DSBuildInfra `gae:"infra,noindex"`
	// contains filtered or unexported fields
}

BuildInfra is a representation of a build proto's infra field in the datastore.

type BuildInputProperties 

type BuildInputProperties struct {

	// ID is always 1 because only one such entity exists.
	ID int `gae:"$id"`
	// Build is the key for the build this entity belongs to.
	Build *datastore.Key `gae:"$parent"`
	// Proto is the struct.Struct representation of the properties field.
	Proto DSStruct `gae:"properties,noindex"`
	// contains filtered or unexported fields
}

BuildInputProperties is a representation of a build proto's input field's properties field in the datastore.

type BuildOutputProperties 

type BuildOutputProperties struct {

	// ID is always 1 because only one such entity exists.
	ID int `gae:"$id"`
	// Build is the key for the build this entity belongs to.
	Build *datastore.Key `gae:"$parent"`
	// Proto is the struct.Struct representation of the properties field.
	Proto DSStruct `gae:"properties,noindex"`
	// contains filtered or unexported fields
}

BuildOutputProperties is a representation of a build proto's output field's properties field in the datastore.

type BuildSteps 

type BuildSteps struct {

	// ID is always 1 because only one such entity exists.
	ID int `gae:"$id"`
	// Build is the key for the build this entity belongs to.
	Build *datastore.Key `gae:"$parent"`
	// IsZipped indicates whether or not Bytes is zlib compressed.
	// Use ToProto to ensure this compression is respected.
	IsZipped bool `gae:"step_container_bytes_zipped,noindex"`
	// Bytes is the pb.Build proto representation of the build proto where only steps is set.
	// IsZipped determines whether this value is compressed or not.
	Bytes []byte `gae:"steps,noindex"`
	// contains filtered or unexported fields
}

BuildSteps is a representation of a build proto's steps field in the datastore.

func (*BuildSteps) CancelIncomplete 

func (s *BuildSteps) CancelIncomplete(ctx context.Context, now *timestamppb.Timestamp) (bool, error)

CancelIncomplete marks any incomplete steps as cancelled, returning whether at least one step was cancelled. The caller is responsible for writing the entity to the datastore if any steps were cancelled. This entity will not be mutated if an error occurs.

func (*BuildSteps) FromProto 

func (s *BuildSteps) FromProto(stp []*pb.Step) error

FromProto overwrites the current []*pb.Step representation of these steps. The caller is responsible for writing the entity to the datastore. This entity will not be mutated if an error occurs.

func (*BuildSteps) ToProto 

func (s *BuildSteps) ToProto(ctx context.Context) ([]*pb.Step, error)

ToProto returns the []*pb.Step representation of these steps.

type Builder 

type Builder struct {

	// ID is the builder name, e.g. "linux-rel".
	ID string `gae:"$id"`

	// Parent is the key of the parent Bucket.
	Parent *datastore.Key `gae:"$parent"`

	// Config is the builder configuration feched from luci-config.
	Config pb.Builder `gae:"config"`

	// ConfigHash is used for fast deduplication of configs.
	ConfigHash string `gae:"config_hash"`
	// contains filtered or unexported fields
}

Builder is a Datastore entity that stores builder configuration. It is a child of Bucket entity.

Builder entities are updated together with their parents, in a cron job.

type DSBuildInfra 

type DSBuildInfra struct {
	pb.BuildInfra
}

DSBuildInfra is a wrapper around pb.BuildInfra. Although pb.BuildInfra already implements datastore.PropertyConverter, override FromProto to apply defaultStructValues.

func (*DSBuildInfra) FromProperty 

func (b *DSBuildInfra) FromProperty(p datastore.Property) error

FromProperty deserializes pb.BuildInfra protos from the datastore. Implements datastore.PropertyConverter.

type DSStruct 

type DSStruct struct {
	structpb.Struct
}

DSStruct is a wrapper around structpb.Struct. Implements datastore.PropertyConverter, allowing reads from and writes to the datastore.

func (*DSStruct) FromProperty 

func (s *DSStruct) FromProperty(p datastore.Property) error

FromProperty deserializes structpb.Struct protos from the datastore. Implements datastore.PropertyConverter.

func (*DSStruct) ToProperty 

func (s *DSStruct) ToProperty() (datastore.Property, error)

ToProperty serializes structpb.Struct protos to datastore format. Implements datastore.PropertyConverter.

type LeaseProperties 

type LeaseProperties struct {
	IsLeased bool `gae:"is_leased"`
	// TODO(crbug/1042991): Create datastore.PropertyConverter in server/auth.
	Leasee              []byte    `gae:"leasee"`
	LeaseExpirationDate time.Time `gae:"lease_expiration_date"`
	// LeaseKey is a random value used to verify the leaseholder's identity.
	LeaseKey    int  `gae:"lease_key"`
	NeverLeased bool `gae:"never_leased"`
}

LeaseProperties are properties associated with the legacy leasing API.

type LegacyCancelationReason 

type LegacyCancelationReason int

LegacyCancelationReason is the reason for a canceled legacy build. 

const (

	// ExplicitlyCanceled means the build was canceled (likely via API call).
	ExplicitlyCanceled LegacyCancelationReason
	// TimeoutCanceled means Buildbucket timed the build out.
	TimeoutCanceled
)

type LegacyFailureReason 

type LegacyFailureReason int

LegacyFailureReason is the reason for a legacy build failure. 

const (

	// BuildFailure means the build itself failed.
	BuildFailure LegacyFailureReason
	// BuildbucketFailure means something went wrong within Buildbucket.
	BuildbucketFailure
	// InfraFailure means something went wrong outside the build and Buildbucket.
	InfraFailure
	// InvalidBuildDefinition means the build system rejected the build definition.
	InvalidBuildDefinition
)

type LegacyProperties 

type LegacyProperties struct {
	LeaseProperties

	CancelationReason LegacyCancelationReason `gae:"cancelation_reason"`
	FailureReason     LegacyFailureReason     `gae:"failure_reason"`
	Parameters        []byte                  `gae:"parameters"`
	Result            LegacyResult            `gae:"result"`
	ResultDetails     []byte                  `gae:"result_details"`
	// ID of the Build this is a retry of.
	RetryOf int          `gae:"retry_of"`
	Status  LegacyStatus `gae:"status"`
	URL     string       `gae:"url,noindex"`
}

LegacyProperties are properties of legacy builds.

Parameters and ResultDetails are byte slices interpretable as JSON. TODO(crbug/1042991): Create datastore.PropertyConverter for JSON properties.

type LegacyResult 

type LegacyResult int

LegacyResult is the result of a completed legacy build. 

const (

	// Success means the build completed successfully.
	Success LegacyResult
	// Failure means the build failed and has an associated LegacyFailureReason.
	Failure
	// Canceled means the build was canceled
	// and has an associated LegacyCancelationReason.
	Canceled
)

type LegacyStatus 

type LegacyStatus int

LegacyStatus is the status of a legacy build request. 

const (

	// Scheduled builds may be leased and started.
	Scheduled LegacyStatus
	// Started builds are leased and marked as started.
	Started
	// Completed builds are finished and have an associated LegacyResult.
	Completed
)

type Project 

type Project struct {
	ID string `gae:"$id"`
}

Project is the parent entity of buckets in the datastore. Entities of this kind don't exist in the datastore.

type PubSubCallback 

type PubSubCallback struct {
	AuthToken string `gae:"auth_token,noindex"`
	Topic     string `gae:"topic,noindex"`
	UserData  string `gae:"user_data,noindex"`
}

PubSubCallback encapsulates parameters for a Pub/Sub callback.

type TagIndex 

type TagIndex struct {

	// ID is a "<key>:<value>" or ":<index>:<key>:<value>" string for index > 0.
	ID string `gae:"$id"`
	// Incomplete means there are more than MaxTagIndexEntries entities
	// with the same ID, and therefore the index is incomplete and cannot be
	// searched.
	Incomplete bool `gae:"permanently_incomplete,noindex"`
	// Entries is a slice of TagIndexEntries matching this ID.
	Entries []TagIndexEntry `gae:"entries,noindex"`
	// contains filtered or unexported fields
}

TagIndex is an index used to search Build entities by tag.

type TagIndexEntry 

type TagIndexEntry struct {
	// BuildID is the ID of the Build entity this entry refers to.
	BuildID int64 `json:"build_id"`
	// <project>/<bucket>. Bucket is in v2 format.
	// e.g. chromium/try (never chromium/luci.chromium.try).
	BucketID string `json:"bucket_id"`
	// CreatedTime is the time this entry was created.
	CreatedTime time.Time `json:"created_time"`
}

TagIndexEntry refers to a particular Build entity.

func SearchTagIndex 

func SearchTagIndex(ctx context.Context, key, val string) ([]*TagIndexEntry, error)

SearchTagIndex searches the tag index for the given tag. Returns an error tagged with TagIndexIncomplete if the tag index is incomplete and thus cannot be searched.

func (*TagIndexEntry) FromProperty 

func (e *TagIndexEntry) FromProperty(p datastore.Property) error

FromProperty deserializes TagIndexEntries from the datastore. Implements datastore.PropertyConverter.

func (*TagIndexEntry) ToProperty 

func (e *TagIndexEntry) ToProperty() (datastore.Property, error)

ToProperty serializes TagIndexEntries to datastore format. Implements datastore.PropertyConverter.

type UnusedProperties 

type UnusedProperties struct {
	// PubSubCallback is normally a struct (see build.go), which translates into datastore
	// fields pubsub_callback.auth_token, pubsub_callback.topic, pubsub_callback.user_data
	// with no actual field called pubsub_callback. However, nil values in the datastore
	// may exist for pubsub_callback (should instead be represented by having all three
	// pubsub_callback.* fields nil, but isn't). Capture such nil values here.
	// TODO(crbug/1042991): Support this case properly in gae datastore package.
	PubSubCallback []byte `gae:"pubsub_callback,noindex"`
}

UnusedProperties are properties previously set but currently unused.

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