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Package common

v0.0.0 (d4769a7)
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Published: Aug 1, 2020 | License: Apache-2.0 | Module: github.com/luci/luci-go

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Package Files

Constants

const ServiceConfigID = "service_config"

ServiceConfigID is the key for the service config entity in datastore.

Variables

var ErrConsoleNotFound = errors.New("console not found")

ErrConsoleNotFound is returned from GetConsole if the requested console isn't known to exist.

func BucketPermissions

func BucketPermissions(c context.Context, buckets ...string) (bbAccess.Permissions, error)

BucketPermissions gets permissions for the current identity for all given buckets.

TODO(mknyszek): If a cache entry expires, then there could be QPS issues if all instances query buildbucket for an update simultaneously. Evaluate whether there's an issue in practice, and if so, consider expiring cache entries randomly.

func CheckACL

func CheckACL(c context.Context, acl ACL) (bool, error)

CheckACL returns true if the caller is in the ACL.

Returns an internal error if the check itself fails.

func Duration

func Duration(start *timestamp.Timestamp, ends ...*timestamp.Timestamp) string

Duration returns duration between start and the earliest of ends. Ignores nil ends. Fallbacks to "N/A" on insufficient data.

func EnsurePubSubSubscribed

func EnsurePubSubSubscribed(c context.Context, settings *config.Settings) error

EnsurePubSubSubscribed makes sure the following subscriptions are in place: * buildbucket, via the settings.Buildbucket.Topic setting

func GetSettings

func GetSettings(c context.Context) *config.Settings

GetSettings returns the service (aka global) config for the current instance of Milo from the datastore. Returns an empty config and warn heavily if none is found. TODO(hinoka): Use process cache to cache configs.

func HumanDuration

func HumanDuration(d time.Duration) string

HumanDuration translates d into a human readable string of x units y units, where x and y could be in days, hours, minutes, or seconds, whichever is the largest.

func IsAllowed

func IsAllowed(c context.Context, project string) (bool, error)

IsAllowed checks to see if the user in the context is allowed to access the given project.

Returns false for unknown projects. Returns an internal error if the check itself fails.

func MergeStrings

func MergeStrings(sss ...[]string) []string

MergeStrings merges multiple string slices together into a single slice, removing duplicates.

func ObfuscateEmail

func ObfuscateEmail(email string) template.HTML

ObfuscateEmail converts a string containing email address email@address.com into email<junk>@address.com.

func ParseIntFromForm

func ParseIntFromForm(form url.Values, key string, base int, bitSize int) (int64, error)

ParseIntFromForm parses an integer from a form.

func ReadExactOneFromForm

func ReadExactOneFromForm(form url.Values, key string) (string, error)

ReadExactOneFromForm read a string from a form. There must be exactly one and non-empty entry of the given key in the form.

func ReplaceNSEWith

func ReplaceNSEWith(err errors.MultiError, replacement error) error

ReplaceNSEWith takes an errors.MultiError returned by a datastore.Get() on a slice (which is always a MultiError), filters out all datastore.ErrNoSuchEntity or replaces it with replacement instances, and returns an error generated by errors.LazyMultiError.

func ShortenEmail

func ShortenEmail(email string) string

ShortenEmail shortens Google emails.

func TagGRPC

func TagGRPC(c context.Context, err error) error

TagGRPC annotates some gRPC with Milo specific semantics, specifically: * Marks the error as Unauthorized if the user is not logged in, and the underlying error was a 403 or 404. * Otherwise, tag the error with the original error code.

func UpdateProjects

func UpdateProjects(c context.Context) error

UpdateProjects reads project configs from LUCI Config and updates entities.

Visits all LUCI projects (not only ones that have Milo config) to grab their visibility ACL from project.cfg file.

func UpdateServiceConfig

func UpdateServiceConfig(c context.Context) (*config.Settings, error)

UpdateServiceConfig fetches the service config from luci-config and then stores a snapshot of the configuration in datastore.

func WithAccessClient

func WithAccessClient(c context.Context, a *AccessClient) context.Context

WithAccessClient attaches an AccessClient to the given context.

type ACL

type ACL struct {
	Groups     []string
	Identities []identity.Identity
}

ACL lists groups and identities that are allowed to see consoles in a project.

Fetched from project.cfg config file in fetchProjectACL.

type AccessClient

type AccessClient struct {
	accessProto.AccessClient
	Host string
}

AccessClient wraps an accessProto.AccessClient and exports its Host.

func GetAccessClient

func GetAccessClient(c context.Context) *AccessClient

GetAccessClient retrieves an AccessClient from the given context.

func NewAccessClient

func NewAccessClient(c context.Context) (*AccessClient, error)

NewAccessClient creates a new AccessClient for talking to this milo instance's buildbucket instance.

type Console

type Console struct {
	// Parent is a key to the parent Project entity where this console was
	// defined in.
	Parent *datastore.Key `gae:"$parent"`

	// ID is the ID of the console.
	// This ID is local to the console, i.e. it should equal .Def.Id and not
	// Def.ExternalId.
	ID string `gae:"$id"`

	// Ordinal specifies the console's ordering in its project's consoles list.
	Ordinal int

	// The URL to the luci-config definition of this console.
	ConfigURL string

	// The luci-config revision from when this Console was retrieved.
	ConfigRevision string `gae:",noindex"`

	// (indexed) All builder IDs mentioned by this console config.
	Builders []string

	// Def is the actual underlying proto Console definition.
	// If this console is external (i.e. a reference to a console from
	// another project), this will contain the resolved Console definition,
	// but with ExternalId and ExternalProject also set.
	Def config.Console `gae:",noindex"`
	// contains filtered or unexported fields
}

Console is a datastore entity representing a single console.

func GetAllConsoles

func GetAllConsoles(c context.Context, builderID string) ([]*Console, error)

GetAllConsoles returns all Consoles (across all projects) which contain the builder ID. If builderID is empty, then this retrieves all Consoles.

TODO-perf(iannucci): Maybe memcache this too.

func GetConsole

func GetConsole(c context.Context, proj, id string) (*Console, error)

GetConsole returns the requested console.

TODO-perf(iannucci,hinoka): Memcache this.

func GetConsoles

func GetConsoles(c context.Context, consoles []ConsoleID) ([]*Console, error)

GetConsoles returns the requested consoles. Excludes references to external consoles that the user does not have access to.

TODO-perf(iannucci,hinoka): Memcache this.

func GetProjectConsoles

func GetProjectConsoles(c context.Context, projectID string) ([]*Console, error)

GetProjectConsoles returns all consoles for the given project ordered as in config. Excludes references to external consoles that the user does not have access to.

func (*Console) Buckets

func (c *Console) Buckets() stringset.Set

Buckets returns all buckets referenced by this Console's Builders.

func (*Console) ConsoleID

func (c *Console) ConsoleID() ConsoleID

ConsoleID returns a struct containing ID strings for the console and its parent project.

func (*Console) FilterBuilders

func (c *Console) FilterBuilders(perms access.Permissions)

FilterBuilders uses an access.Permissions to filter out builder IDs and builders from the definition, and builders in the definition's header, which are not allowed by the permissions.

func (*Console) IsExternal

func (c *Console) IsExternal() bool

IsExternal returns whether the console is a reference to a console from another project. If this is the case, the console will have Def.ExternalProject and Def.ExternalId set.

func (*Console) ProjectID

func (c *Console) ProjectID() string

ProjectID retrieves the project ID string of the console out of the Console's parent key.

type ConsoleID

type ConsoleID struct {
	Project string
	ID      string
}

ConsoleID is a reference to a console.

func ParseConsoleID

func ParseConsoleID(id string) (cid ConsoleID, err error)

ParseConsoleID reformats the string into a ConsoleID.

func (*ConsoleID) SetID

func (id *ConsoleID) SetID(c context.Context, console *Console) *Console

SetID returns an empty Console datastore entity keyed with itself.

func (*ConsoleID) String

func (id *ConsoleID) String() string

type Interval

type Interval struct {
	Start time.Time `json:"start,omitempty"`
	End   time.Time `json:"end,omitempty"`
	Now   time.Time `json:"now,omitempty"`
}

func ToInterval

func ToInterval(start, end, now *timestamp.Timestamp) (result Interval)

func (Interval) Duration

func (in Interval) Duration() time.Duration

func (Interval) Ended

func (in Interval) Ended() bool

func (Interval) Started

func (in Interval) Started() bool

type Project

type Project struct {
	ID        string `gae:"$id"`
	HasConfig bool
	ACL       ACL `gae:",noindex"`

	LogoURL           string
	BuildBugTemplate  config.BugTemplate
	IgnoredBuilderIDs []string
	// contains filtered or unexported fields
}

Project is a datastore entity representing a single project.

Its children are consoles. This entity exists even if the project doesn't define milo.cfg config file. It has HasConfig == false in this case. We still need the entity to be able to check project's ACLs when accessing individual build pages.

func GetProject

func GetProject(c context.Context, project string) (*Project, error)

GetProject loads the project from the datastore.

func GetVisibleProjects

func GetVisibleProjects(c context.Context) ([]*Project, error)

GetVisibleProjects returns all projects with consoles the current user has access to.

Skips projects that do not have Milo config file.

func (*Project) BuilderIsIgnored

func (p *Project) BuilderIsIgnored(builderID *buildbucketpb.BuilderID) bool

BuilderIsIgnored checks if the builder is marked as ignored in this project.

type PubSubMessage

type PubSubMessage struct {
	Attributes map[string]interface{} `json:"attributes"`
	Data       string                 `json:"data"`
	MessageID  string                 `json:"message_id"`
}

type PubSubSubscription

type PubSubSubscription struct {
	Message      PubSubMessage `json:"message"`
	Subscription string        `json:"subscription"`
}

func (*PubSubSubscription) GetData

func (m *PubSubSubscription) GetData() ([]byte, error)

GetData returns the expanded form of Data (decoded from base64).

type ServiceConfig

type ServiceConfig struct {
	// ID is the datastore key.  This should be static, as there should only be
	// one service config.
	ID string `gae:"$id"`
	// Revision is the revision of the config, taken from luci-config.  This is used
	// to determine if the entry needs to be refreshed.
	Revision string
	// Data is the binary proto of the config.
	Data []byte `gae:",noindex"`
	// Text is the text format of the config.  For human consumption only.
	Text string `gae:",noindex"`
	// LastUpdated is the time this config was last updated.
	LastUpdated time.Time
}

ServiceConfig is a container for the instance's service config.

func GetCurrentServiceConfig

func GetCurrentServiceConfig(c context.Context) (*ServiceConfig, error)

GetCurrentServiceConfig gets the service config for the instance from either process cache or datastore cache.

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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