buildgo

package
Version: v0.0.0-...-d4dc690 Latest Latest
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Published: May 27, 2022 License: BSD-3-Clause Imports: 21 Imported by: 0

README

Go Reference

golang.org/x/build/internal/buildgo

Package buildgo provides tools for pushing and building the Go distribution on buildlets.

Documentation

Overview

Package buildgo provides tools for pushing and building the Go distribution on buildlets.

Index

Constants

This section is empty.

Variables

View Source
var TestHookSnapshotExists func(*BuilderRev) bool

Functions

func VersionTgz

func VersionTgz(rev string) io.Reader

VersionTgz returns an io.Reader of a *.tar.gz file containing only a VERSION file containing the contents of the provided rev string.

Types

type BuilderRev

type BuilderRev struct {
	Name string // e.g. "linux-amd64-race"
	Rev  string // lowercase hex core repo git hash

	// optional sub-repository details (both must be present)
	SubName string // e.g. "net"
	SubRev  string // lowercase hex sub-repo git hash
}

BuilderRev is a build configuration type and a revision.

func (BuilderRev) IsSubrepo

func (br BuilderRev) IsSubrepo() bool

func (BuilderRev) RepoOrGo

func (br BuilderRev) RepoOrGo() string

func (*BuilderRev) SnapshotExists

func (br *BuilderRev) SnapshotExists(ctx context.Context, buildEnv *buildenv.Environment) bool

snapshotExists reports whether the snapshot exists in storage. It returns potentially false negatives on network errors. Callers must not depend on this as more than an optimization.

func (*BuilderRev) SnapshotObjectName

func (br *BuilderRev) SnapshotObjectName() string

SnapshotObjectName is the cloud storage object name of the built Go tree for this builder and Go rev (not the sub-repo). The entries inside this tarball do not begin with "go/".

func (*BuilderRev) SnapshotURL

func (br *BuilderRev) SnapshotURL(buildEnv *buildenv.Environment) string

SnapshotURL is the absolute URL of the snapshot object (see above).

func (BuilderRev) SubRevOrGoRev

func (br BuilderRev) SubRevOrGoRev() string

type Client

type Client struct {
	Env    *buildenv.Environment // generally Production or Staging
	Creds  *google.Credentials
	Client *http.Client // OAuth2 client

	Verbose bool // enable extra debug logging
	// contains filtered or unexported fields
}

Client is an authenticated client to the Go build system.

func NewClient

func NewClient(ctx context.Context, env *buildenv.Environment) (*Client, error)

NewClient returns a new client for using the Go build system in the provided environment. The authentication information is discovered using env.Credentials.

func (*Client) AwaitOp

func (c *Client) AwaitOp(ctx context.Context, op *compute.Operation) error

AwaitOp waits for op to finish. It returns nil if the operating finished successfully.

func (*Client) Compute

func (c *Client) Compute() *compute.Service

Compute returns the GCE compute service.

func (*Client) MakeBasepinDisks

func (c *Client) MakeBasepinDisks(ctx context.Context) error

MakeBasepinDisks looks at the list of all the project's VM images and creates (if needed) a disk for each one, named with the prefix "basepin-". The purpose of these "basepin" disks is to speed up GCE VM creations. When GCE creates a new disk for a new VM, it takes a fast path when creating the disk if there's another disk in the same zone for that image, and makes the new disk a thin Copy-on-Write shadow over the basepin disk. GCE also does this if there's been a VM created within the past N minutes of that type, but we want VMs to always create quickly.

type GoBuilder

type GoBuilder struct {
	spanlog.Logger
	BuilderRev
	Conf *dashboard.BuildConfig
	// Goroot is a Unix-style path relative to the work directory of the
	// builder (e.g. "go").
	Goroot string
	// GorootBootstrap is an optional absolute Unix-style path to the
	// bootstrap toolchain, overriding the default.
	GorootBootstrap string
}

A GoBuilder knows how to build a revision of Go with the given configuration.

func (GoBuilder) RunMake

func (gb GoBuilder) RunMake(ctx context.Context, bc buildlet.Client, w io.Writer) (remoteErr, err error)

RunMake builds the tool chain. goroot is relative to the workdir with forward slashes. w is the Writer to send build output to. remoteErr and err are as described at the top of this file.

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