cli

Documentation

Index

• Constants
• Variables
• func CheckTerraformVersion(constraint string, terragruntOptions *options.TerragruntOptions) error
• func CreateTerragruntCli(version string, writer io.Writer, errwriter io.Writer) *cli.App
• func ParseTerragruntOptions(cliContext *cli.Context) (*options.TerragruntOptions, error)
• func PopulateTerraformVersion(terragruntOptions *options.TerragruntOptions) error
• func RunTerragrunt(terragruntOptions *options.TerragruntOptions) error
• type ArgMissingValue
  • func (err ArgMissingValue) Error() string
• type ArgumentNotAllowed
  • func (err ArgumentNotAllowed) Error() string
• type BackendNotDefined
  • func (err BackendNotDefined) Error() string
• type FileCopyGetter
  • func (g *FileCopyGetter) Get(dst string, u *url.URL) error
  • func (g *FileCopyGetter) GetFile(dst string, u *url.URL) error
• type InitNeededButDisabled
  • func (err InitNeededButDisabled) Error() string
• type InvalidTerraformVersion
  • func (err InvalidTerraformVersion) Error() string
• type InvalidTerraformVersionSyntax
  • func (err InvalidTerraformVersionSyntax) Error() string
• type MaxRetriesExceeded
  • func (err MaxRetriesExceeded) Error() string
• type ModuleIsProtected
  • func (err ModuleIsProtected) Error() string
• type NoTerraformFilesFound
  • func (path NoTerraformFilesFound) Error() string
• type TerraformSource
  • func (src *TerraformSource) String() string
• type TerragruntInfoGroup
• type UnrecognizedCommand
  • func (commandName UnrecognizedCommand) Error() string

Constants

const CMD_APPLY_ALL = "apply-all"

const CMD_DESTROY_ALL = "destroy-all"

const CMD_HCLFMT = "hclfmt"

const CMD_INIT = "init"

const CMD_INIT_FROM_MODULE = "init-from-module"

const CMD_OUTPUT_ALL = "output-all"

const CMD_PLAN_ALL = "plan-all"

const CMD_SPIN_UP = "spin-up"

CMD_SPIN_UP is deprecated.

const CMD_TEAR_DOWN = "tear-down"

CMD_TEAR_DOWN is deprecated.

const CMD_TERRAGRUNT_GRAPH_DEPENDENCIES = "graph-dependencies"

const CMD_TERRAGRUNT_INFO = "terragrunt-info"

const CMD_TERRAGRUNT_READ_CONFIG = "terragrunt-read-config"

const CMD_VALIDATE_ALL = "validate-all"

const DEFAULT_TERRAFORM_VERSION_CONSTRAINT = ">= v0.12.0"

This uses the constraint syntax from https://github.com/hashicorp/go-version This version of Terragrunt was tested to work with Terraform 0.12.0 and above only

const MODULE_MANIFEST_NAME = ".terragrunt-module-manifest"

manifest for files coped from terragrunt module folder (i.e., the folder that contains the current terragrunt.hcl)

const OPT_DOWNLOAD_DIR = "terragrunt-download-dir"

const OPT_NON_INTERACTIVE = "terragrunt-non-interactive"

const OPT_TERRAGRUNT_CHECK = "terragrunt-check"

const OPT_TERRAGRUNT_CONFIG = "terragrunt-config"

const OPT_TERRAGRUNT_EXCLUDE_DIR = "terragrunt-exclude-dir"

const OPT_TERRAGRUNT_HCLFMT_FILE = "terragrunt-hclfmt-file"

const OPT_TERRAGRUNT_IAM_ROLE = "terragrunt-iam-role"

const OPT_TERRAGRUNT_IGNORE_DEPENDENCY_ERRORS = "terragrunt-ignore-dependency-errors"

const OPT_TERRAGRUNT_IGNORE_DEPENDENCY_ORDER = "terragrunt-ignore-dependency-order"

const OPT_TERRAGRUNT_IGNORE_EXTERNAL_DEPENDENCIES = "terragrunt-ignore-external-dependencies"

const OPT_TERRAGRUNT_INCLUDE_DIR = "terragrunt-include-dir"

const OPT_TERRAGRUNT_INCLUDE_EXTERNAL_DEPENDENCIES = "terragrunt-include-external-dependencies"

const OPT_TERRAGRUNT_NO_AUTO_INIT = "terragrunt-no-auto-init"

const OPT_TERRAGRUNT_NO_AUTO_RETRY = "terragrunt-no-auto-retry"

const OPT_TERRAGRUNT_SOURCE = "terragrunt-source"

const OPT_TERRAGRUNT_SOURCE_UPDATE = "terragrunt-source-update"

const OPT_TERRAGRUNT_STRICT_INCLUDE = "terragrunt-strict-include"

const OPT_TERRAGRUNT_TFPATH = "terragrunt-tfpath"

const OPT_WORKING_DIR = "terragrunt-working-dir"

const SOURCE_MANIFEST_NAME = ".terragrunt-source-manifest"

manifest for files copied from the URL specified in the terraform { source = "<URL>" } config

const TERRAFORM_EXTENSION_GLOB = "*.tf"

Variables

var ALL_TERRAGRUNT_BOOLEAN_OPTS = []string{
	OPT_NON_INTERACTIVE,
	OPT_TERRAGRUNT_SOURCE_UPDATE,
	OPT_TERRAGRUNT_IGNORE_DEPENDENCY_ERRORS,
	OPT_TERRAGRUNT_IGNORE_DEPENDENCY_ORDER,
	OPT_TERRAGRUNT_IGNORE_EXTERNAL_DEPENDENCIES,
	OPT_TERRAGRUNT_INCLUDE_EXTERNAL_DEPENDENCIES,
	OPT_TERRAGRUNT_NO_AUTO_INIT,
	OPT_TERRAGRUNT_NO_AUTO_RETRY,
	OPT_TERRAGRUNT_CHECK,
	OPT_TERRAGRUNT_STRICT_INCLUDE,
}

var ALL_TERRAGRUNT_STRING_OPTS = []string{
	OPT_TERRAGRUNT_CONFIG,
	OPT_TERRAGRUNT_TFPATH,
	OPT_WORKING_DIR,
	OPT_DOWNLOAD_DIR,
	OPT_TERRAGRUNT_SOURCE,
	OPT_TERRAGRUNT_IAM_ROLE,
	OPT_TERRAGRUNT_EXCLUDE_DIR,
	OPT_TERRAGRUNT_INCLUDE_DIR,
	OPT_TERRAGRUNT_HCLFMT_FILE,
}

var CUSTOM_USAGE_TEXT = `` /* 3265-byte string literal not displayed */

Since Terragrunt is just a thin wrapper for Terraform, and we don't want to repeat every single Terraform command in its definition, we don't quite fit into the model of any Go CLI library. Fortunately, urfave/cli allows us to override the whole template used for the Usage Text.

TODO: this description text has copy/pasted versions of many Terragrunt constants, such as command names and file names. It would be easy to make this code DRY using fmt.Sprintf(), but then it's hard to make the text align nicely. Write some code to take generate this help text automatically, possibly leveraging code that's part of urfave/cli.

var DEPRECATED_COMMANDS = map[string]string{
	CMD_SPIN_UP:   CMD_APPLY_ALL,
	CMD_TEAR_DOWN: CMD_DESTROY_ALL,
}

DEPRECATED_COMMANDS is a map of deprecated commands to the commands that replace them.

var MODULE_REGEX = regexp.MustCompile(`module[[:blank:]]+".+"`)

var MULTI_MODULE_COMMANDS = []string{CMD_APPLY_ALL, CMD_DESTROY_ALL, CMD_OUTPUT_ALL, CMD_PLAN_ALL, CMD_VALIDATE_ALL}

var TERRAFORM_COMMANDS_THAT_DO_NOT_NEED_INIT = []string{
	"version",
	"terragrunt-info",
	"graph-dependencies",
}

var TERRAFORM_COMMANDS_THAT_USE_STATE = []string{
	"init",
	"apply",
	"destroy",
	"env",
	"import",
	"graph",
	"output",
	"plan",
	"push",
	"refresh",
	"show",
	"taint",
	"untaint",
	"validate",
	"force-unlock",
	"state",
}

var TERRAFORM_HELP_FLAGS = []string{
	"--help",
	"-help",
	"-h",
}

The supported flags to show help of terraform commands

var TERRAFORM_VERSION_REGEX = regexp.MustCompile("Terraform (v?[\\d\\.]+)(?:-dev)?(?: .+)?")

The terraform --version output is of the format: Terraform v0.9.5-dev (cad024a5fe131a546936674ef85445215bbc4226+CHANGES) where -dev and (commitid+CHANGES) is for custom builds or if TF_LOG is set for debug purposes

Functions

func CheckTerraformVersion

func CheckTerraformVersion(constraint string, terragruntOptions *options.TerragruntOptions) error

Check that the currently installed Terraform version works meets the specified version constraint and return an error if it doesn't

func CreateTerragruntCli

func CreateTerragruntCli(version string, writer io.Writer, errwriter io.Writer) *cli.App

Create the Terragrunt CLI App

func ParseTerragruntOptions

func ParseTerragruntOptions(cliContext *cli.Context) (*options.TerragruntOptions, error)

Parse command line options that are passed in for Terragrunt

func PopulateTerraformVersion

func PopulateTerraformVersion(terragruntOptions *options.TerragruntOptions) error

Populate the currently installed version of Terraform into the given terragruntOptions

func RunTerragrunt

func RunTerragrunt(terragruntOptions *options.TerragruntOptions) error

Downloads terraform source if necessary, then runs terraform with the given options and CLI args. This will forward all the args and extra_arguments directly to Terraform.

Types

type ArgMissingValue

type ArgMissingValue string

func (ArgMissingValue) Error

func (err ArgMissingValue) Error() string

type ArgumentNotAllowed

type ArgumentNotAllowed struct {
	Argument string
	Message  string
}

func (ArgumentNotAllowed) Error

func (err ArgumentNotAllowed) Error() string

type BackendNotDefined

type BackendNotDefined struct {
	Opts        *options.TerragruntOptions
	BackendType string
}

func (BackendNotDefined) Error

func (err BackendNotDefined) Error() string

type FileCopyGetter

type FileCopyGetter struct {
	getter.FileGetter
}

A custom getter.Getter implementation that uses file copying instead of symlinks. Symlinks are faster and use less disk space, but they cause issues in Windows and with infinite loops, so we copy files/folders instead.

func (*FileCopyGetter) Get

func (g *FileCopyGetter) Get(dst string, u *url.URL) error

The original FileGetter does NOT know how to do folder copying (it only does symlinks), so we provide a copy implementation here

func (*FileCopyGetter) GetFile

func (g *FileCopyGetter) GetFile(dst string, u *url.URL) error

The original FileGetter already knows how to do file copying so long as we set the Copy flag to true, so just delegate to it

type InitNeededButDisabled

type InitNeededButDisabled string

func (InitNeededButDisabled) Error

func (err InitNeededButDisabled) Error() string

type InvalidTerraformVersion

type InvalidTerraformVersion struct {
	CurrentVersion     *version.Version
	VersionConstraints version.Constraints
}

func (InvalidTerraformVersion) Error

func (err InvalidTerraformVersion) Error() string

type InvalidTerraformVersionSyntax

type InvalidTerraformVersionSyntax string

func (InvalidTerraformVersionSyntax) Error

func (err InvalidTerraformVersionSyntax) Error() string

type MaxRetriesExceeded

type MaxRetriesExceeded struct {
	Opts *options.TerragruntOptions
}

func (MaxRetriesExceeded) Error

func (err MaxRetriesExceeded) Error() string

type ModuleIsProtected

type ModuleIsProtected struct {
	Opts *options.TerragruntOptions
}

func (ModuleIsProtected) Error

func (err ModuleIsProtected) Error() string

type NoTerraformFilesFound

type NoTerraformFilesFound string

func (NoTerraformFilesFound) Error

func (path NoTerraformFilesFound) Error() string

type TerraformSource

type TerraformSource struct {
	// A canonical version of RawSource, in URL format
	CanonicalSourceURL *url.URL

	// The folder where we should download the source to
	DownloadDir string

	// The folder in DownloadDir that should be used as the working directory for Terraform
	WorkingDir string

	// The path to a file in DownloadDir that stores the version number of the code
	VersionFile string
}

This struct represents information about Terraform source code that needs to be downloaded

func (*TerraformSource) String

func (src *TerraformSource) String() string

type TerragruntInfoGroup

type TerragruntInfoGroup struct {
	ConfigPath       string
	DownloadDir      string
	IamRole          string
	TerraformBinary  string
	TerraformCommand string
	WorkingDir       string
}

Struct is output as JSON by 'terragrunt-info':

type UnrecognizedCommand

type UnrecognizedCommand string

func (UnrecognizedCommand) Error

func (commandName UnrecognizedCommand) Error() string