pipelineutil

Documentation

Overview

Package pipelineutil defines utilities for working with Pipelines and is separated as it may also import packages that import pipeline.

Index

• func GoBuild(ctx context.Context, opts GoBuildOpts) *exec.Cmd
• type GoBuildOpts

Functions

func GoBuild

func GoBuild(ctx context.Context, opts GoBuildOpts) *exec.Cmd

GoBuild returns the *exec.Cmd will, if ran, statically compile the pipeline provided in the arguments. This function shells out to the 'go' process, so ensure that 'go' is installed and available in the current environment. We have to shell out because Go does not provide a stdlib function for running 'go build' without the 'go' command.

Types

type GoBuildOpts

type GoBuildOpts struct {
	// Pipeline is the path to the pipeline that you want to compile.
	// This path should be a `go build` compatible path.
	Pipeline string
	// Module is the path to the root module of the project that defines the go.mod/go.sum for the pipeline.
	// If this value is not provided, then 'GoBuild' will assume this is the value of 'os.Getwd'.
	Module string
	// GoOS sets the "GOOS" environment variable.
	// if not set, will not be supplied to the command, defaulting it to the current OS.
	GoOS string // GoArch sets the "GOARCH" environment variable.
	// If not set, will not be supplied to the command, defaulting it to the current architecture.
	GoArch string
	// GoModCache sets the "GOMODCACHE" environment variable.
	// 'go build' requires a location to search for the go module cache.
	// if this is not set, then it uses the value available from the current environment using 'os.Getenv'.
	GoModCache string
	// GoPath sets the "GOPATH" environment variable.
	// 'go build' requires a $GOPATH to be set.
	// if this is not set, then it uses the value available from the current environment using 'os.Getenv'.
	GoPath string
	// Output is used as the '-o' argument in the go build command.
	// If this is not set, then we do not provide it, causing the compiled pipeline to be built in the 'os.Getwd', with a potentially confusing or ambiguous (or even colliding) name.
	Output  string
	LDFlags string

	Stdout io.Writer
	Stderr io.Writer
}

GoBuildOpts is the list of (mostly) optional arguments that can be provided when building a pipeline into a static binary. The goal of compiling the pipeline into a binary is that it will be mounted into a container and used in that container.