From ff94381e7e5cdb47d99895df950302092b196f14 Mon Sep 17 00:00:00 2001 From: Mitchell Hashimoto Date: Wed, 4 May 2016 10:06:16 -0700 Subject: [PATCH] command/import wip --- command/import.go | 111 ++++++++++++++++++++++++++++++++++++++++++++++ commands.go | 6 +++ 2 files changed, 117 insertions(+) create mode 100644 command/import.go diff --git a/command/import.go b/command/import.go new file mode 100644 index 000000000..f38a2620d --- /dev/null +++ b/command/import.go @@ -0,0 +1,111 @@ +package command + +import ( + "fmt" + "log" + "os" + "strings" +) + +// ImportCommand is a cli.Command implementation that imports resources +// into the Terraform state. +type ImportCommand struct { + Meta +} + +func (c *ImportCommand) Run(args []string) int { + args = c.Meta.process(args, true) + + cmdFlags := c.Meta.flagSet("import") + cmdFlags.StringVar(&c.Meta.statePath, "state", DefaultStateFilename, "path") + cmdFlags.IntVar(&c.Meta.parallelism, "parallelism", 0, "parallelism") + cmdFlags.StringVar(&c.Meta.stateOutPath, "state-out", "", "path") + cmdFlags.StringVar(&c.Meta.backupPath, "backup", "", "path") + cmdFlags.Usage = func() { c.Ui.Error(c.Help()) } + if err := cmdFlags.Parse(args); err != nil { + return 1 + } + + args = cmdFlags.Args() + if len(args) != 2 { + c.Ui.Error("The import command expects two arguments.") + cmdFlags.Usage() + return 1 + } + + // Build the context based on the arguments given + ctx, _, err := c.Context(contextOpts{ + Path: configPath, + StatePath: c.Meta.statePath, + Parallelism: c.Meta.parallelism, + }) + if err != nil { + c.Ui.Error(err.Error()) + return 1 + } + + newState, err := ctx.Refresh() + if err != nil { + c.Ui.Error(fmt.Sprintf("Error refreshing state: %s", err)) + return 1 + } + + log.Printf("[INFO] Writing state output to: %s", c.Meta.StateOutPath()) + if err := c.Meta.PersistState(newState); err != nil { + c.Ui.Error(fmt.Sprintf("Error writing state file: %s", err)) + return 1 + } + + return 0 +} + +func (c *ImportCommand) Help() string { + helpText := ` +Usage: terraform import [options] ADDR ID + + Import existing infrastructure into your Terraform state. + + This will find and import the specified resource into your Terraform + state, allowing existing infrastructure to come under Terraform + management without having to be initially created by Terraform. + + The ADDR specified is the address to import the resource to. Please + see the documentation online for resource addresses. The ID is a + resource-specific ID to identify that resource being imported. Please + reference the documentation for the resource type you're importing to + determine the ID syntax to use. It typically matches directly to the ID + that the provider uses. + + In the current state of Terraform import, the resource is only imported + into your state file. Once it is imported, you must manually write + configuration for the new resource or Terraform will mark it for destruction. + Future versions of Terraform will expand the functionality of Terraform + import. + + This command will not modify your infrastructure, but it will make + network requests to inspect parts of your infrastructure relevant to + the resource being imported. + +Options: + + -backup=path Path to backup the existing state file before + modifying. Defaults to the "-state-out" path with + ".backup" extension. Set to "-" to disable backup. + + -input=true Ask for input for variables if not directly set. + + -no-color If specified, output won't contain any color. + + -state=path Path to read and save state (unless state-out + is specified). Defaults to "terraform.tfstate". + + -state-out=path Path to write updated state file. By default, the + "-state" path will be used. + +` + return strings.TrimSpace(helpText) +} + +func (c *ImportCommand) Synopsis() string { + return "Import existing infrastructure into Terraform" +} diff --git a/commands.go b/commands.go index 290673c35..a070ff0d7 100644 --- a/commands.go +++ b/commands.go @@ -73,6 +73,12 @@ func init() { }, nil }, + "import": func() (cli.Command, error) { + return &command.ImportCommand{ + Meta: meta, + }, nil + }, + "init": func() (cli.Command, error) { return &command.InitCommand{ Meta: meta,