shell

Documentation

Overview

Package shell provides functions to run shell commands and Terraform commands.

Index

• Constants
• func ContextWithTerraformCommandHook(ctx context.Context, fn RunShellCommandFunc) context.Context
• func ExplainError(err error) string
• func GitLastReleaseTag(ctx context.Context, opts *options.TerragruntOptions, gitRepo *url.URL) (string, error)
• func GitRepoTags(ctx context.Context, opts *options.TerragruntOptions, gitRepo *url.URL) ([]string, error)
• func GitTopLevelDir(ctx context.Context, terragruntOptions *options.TerragruntOptions, path string) (string, error)
• func LastReleaseTag(tags []string) string
• func PromptUserForInput(ctx context.Context, prompt string, ...) (string, error)
• func PromptUserForYesNo(ctx context.Context, prompt string, ...) (bool, error)
• func RunShellCommand(ctx context.Context, opts *options.TerragruntOptions, command string, ...) error
• func RunShellCommandWithOutput(ctx context.Context, opts *options.TerragruntOptions, workingDir string, ...) (*util.CmdOutput, error)
• func RunTerraformCommand(ctx context.Context, opts *options.TerragruntOptions, args ...string) error
• func RunTerraformCommandWithOutput(ctx context.Context, opts *options.TerragruntOptions, args ...string) (*util.CmdOutput, error)
• type RunShellCommandFunc
  • func TerraformCommandHookFromContext(ctx context.Context) RunShellCommandFunc

Constants

const (
	TerraformCommandContextKey ctxKey = iota
	RunCmdCacheContextKey      ctxKey = iota
)

const SignalForwardingDelay = time.Second * 15

SignalForwardingDelay is the time to wait before forwarding the signal to the subcommand.

The signal can be sent to the main process (only `terragrunt`) as well as the process group (`terragrunt` and `terraform`), for example: kill -INT <pid> # sends SIGINT only to the main process kill -INT -<pid> # sends SIGINT to the process group Since we cannot know how the signal is sent, we should give `tofu`/`terraform` time to gracefully exit if it receives the signal directly from the shell, to avoid sending the second interrupt signal to `tofu`/`terraform`.

Functions

func ContextWithTerraformCommandHook

func ContextWithTerraformCommandHook(ctx context.Context, fn RunShellCommandFunc) context.Context

func ExplainError

func ExplainError(err error) string

ExplainError will try to explain the error to the user, if we know how to do so.

func GitLastReleaseTag

func GitLastReleaseTag(ctx context.Context, opts *options.TerragruntOptions, gitRepo *url.URL) (string, error)

GitLastReleaseTag fetches git repository last release tag.

func GitRepoTags

func GitRepoTags(ctx context.Context, opts *options.TerragruntOptions, gitRepo *url.URL) ([]string, error)

GitRepoTags fetches git repository tags from passed url.

func GitTopLevelDir

func GitTopLevelDir(ctx context.Context, terragruntOptions *options.TerragruntOptions, path string) (string, error)

GitTopLevelDir fetches git repository path from passed directory.

func LastReleaseTag

func LastReleaseTag(tags []string) string

LastReleaseTag returns last release tag from passed tags slice.

func PromptUserForInput

func PromptUserForInput(ctx context.Context, prompt string, terragruntOptions *options.TerragruntOptions) (string, error)

PromptUserForInput prompts the user for text in the CLI. Returns the text entered by the user.

func PromptUserForYesNo

func PromptUserForYesNo(ctx context.Context, prompt string, terragruntOptions *options.TerragruntOptions) (bool, error)

PromptUserForYesNo prompts the user for a yes/no response and return true if they entered yes.

func RunShellCommand

func RunShellCommand(ctx context.Context, opts *options.TerragruntOptions, command string, args ...string) error

RunShellCommand runs the given shell command.

func RunShellCommandWithOutput

func RunShellCommandWithOutput(
	ctx context.Context,
	opts *options.TerragruntOptions,
	workingDir string,
	suppressStdout bool,
	needsPTY bool,
	command string,
	args ...string,
) (*util.CmdOutput, error)

RunShellCommandWithOutput runs the specified shell command with the specified arguments.

Connect the command's stdin, stdout, and stderr to the currently running app. The command can be executed in a custom working directory by using the parameter `workingDir`. Terragrunt working directory will be assumed if empty string.

func RunTerraformCommand

func RunTerraformCommand(ctx context.Context, opts *options.TerragruntOptions, args ...string) error

RunTerraformCommand runs the given Terraform command.

func RunTerraformCommandWithOutput

func RunTerraformCommandWithOutput(ctx context.Context, opts *options.TerragruntOptions, args ...string) (*util.CmdOutput, error)

RunTerraformCommandWithOutput runs the given Terraform command, writing its stdout/stderr to the terminal AND returning stdout/stderr to this method's caller

Types

type RunShellCommandFunc

type RunShellCommandFunc func(ctx context.Context, opts *options.TerragruntOptions, args cli.Args) (*util.CmdOutput, error)

RunShellCommandFunc is a context value for `TerraformCommandContextKey` key, used to intercept shell commands.

func TerraformCommandHookFromContext

func TerraformCommandHookFromContext(ctx context.Context) RunShellCommandFunc

TerraformCommandHookFromContext returns `RunShellCommandFunc` from the context if it has been set, otherwise returns nil.