terraform

package
Version: v0.2.0 Latest Latest
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Published: Jan 6, 2016 License: MPL-2.0 Imports: 21 Imported by: 123

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Deploy

func Deploy(opts *DeployOptions) *router.Router

Deploy can be used as an implementation of app.App.Deploy to handle calling out to terraform w/ the configured config to get an app deployed to an infrastructure.

This will verify the infrastructure is created and a build is available, and use that information to run Terraform. Any edge cases around Terraform failures is handled and state storage is automatic as well.

This function implements app.App.Deploy.

func Outputs

func Outputs(path string) (map[string]string, error)

Outputs reads the outputs from the Terraform state at the given path.

This is currently done by using the Terraform API to read from the state file directory. In the future, this may work by shelling out to Terraform which might be more stable.

func Project

func Project(ctx *context.Shared) (*hashitools.Project, error)

Project returns the hashitools Project for this.

Types

type DeployArtifactExtractor

type DeployArtifactExtractor func(
	*app.Context, *directory.Build, *directory.Infra) (map[string]string, error)

DeployArtifactExtractor is the function type that is used to extract artifacts from a Build for deploys.

type DeployOptions

type DeployOptions struct {
	// Dir is the directory where Terraform is run. If this isn't set, it'll
	// default to "#{ctx.Dir}/deploy".
	Dir string

	// DisableBuild, if true, will not load a build associated with this
	// appfile and attempt to extract the artifact from it. In this case,
	// AritfactExtractors is also useless.
	DisableBuild bool

	// ArtifactExtractors is a mapping of artifact extractors. The
	// built-in artifact extractors will populate this if a key isn't set.
	ArtifactExtractors map[string]DeployArtifactExtractor

	// InfraOutputMap is a map to change the key of an infra output
	// to a different key for a Terraform variable. The key of this map
	// is the infra output key, and teh value is the Terraform variable name.
	InfraOutputMap map[string]string
}

type Foundation

type Foundation struct {
	// Dir is the directory where Terraform is run. If this isn't set, it'll
	// default to "#{ctx.Dir}/deploy".
	Dir string
}

Foundation is a helper for various operations a foundation must perform with Terraform.

func (*Foundation) Infra

func (f *Foundation) Infra(ctx *foundation.Context) error

Infra manages a foundation using Terraform.

This will verify the infrastruction is created and use that information to execute Terraform with the options given.

This function implements foundation.Foundation.Infra.

type Infrastructure

type Infrastructure struct {
	// Creds is a function that gathers credentials. See helper/creds
	// for nice helpers for implementing this function.
	CredsFunc func(*infrastructure.Context) (map[string]string, error)

	// VerifyCreds is a function that verifies credentials are in good
	// working order.
	VerifyCredsFunc func(*infrastructure.Context) error

	// Bindata is the bindata.Data structure where assets can be found
	// for compilation. The data for the various flavors is expected to
	// live in "data/#{flavor}"
	Bindata *bindata.Data

	// Variables are additional variables to pass into Terraform.
	Variables map[string]string
}

Infrastructure implements infrastructure.Infrastructure and is a higher level framework for writing infrastructure implementations that use Terraform.

This implementation will automatically:

* Save/restore state files via the directory service
* Populate infrastructure data in the directory (w/ Terraform outputs)
* Handle many edge case scenarios gracefully

func (*Infrastructure) Compile

TODO: test

func (*Infrastructure) Creds

func (i *Infrastructure) Creds(ctx *infrastructure.Context) (map[string]string, error)

func (*Infrastructure) Execute

func (i *Infrastructure) Execute(ctx *infrastructure.Context) error

func (*Infrastructure) Flavors

func (i *Infrastructure) Flavors() []string

TODO: impl and test

func (*Infrastructure) VerifyCreds

func (i *Infrastructure) VerifyCreds(ctx *infrastructure.Context) error

type Terraform

type Terraform struct {
	// Path is the path to Terraform itself. If empty, "terraform"
	// will be used and looked up via the PATH var.
	Path string

	// Dir is the working directory where all Terraform commands are executed
	Dir string

	// Ui, if given, will be used to stream output from the Terraform commands.
	// If this is nil, then the output will be logged but won't be visible
	// to the user.
	Ui ui.Ui

	// Variables is a list of variables to pass to Terraform.
	Variables map[string]string

	// Directory can be set to point to a directory where data can be
	// stored. If this is set, then the state will be loaded/stored here
	// automatically.
	//
	// StateId is the identifier used to load/store the state from
	// blob storage. If this is empty, state won't be loaded or stored
	// automatically.
	//
	// It is highly recommended to use this instead of manually attempting
	// to manage state since this will properly handle storing the state
	// in the issue of an error and will put the state in the pwd in the
	// case we can't write it to a directory.
	Directory directory.Backend
	StateId   string
}

Terraform wraps `terraform` execution into an easy-to-use API

func (*Terraform) Execute

func (t *Terraform) Execute(commandRaw ...string) error

Execute executes a raw Terraform command

func (*Terraform) Outputs

func (t *Terraform) Outputs() (map[string]string, error)

Outputs reads the outputs from the configured directory storage.

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