151 lines
3.0 KiB
Go
151 lines
3.0 KiB
Go
package command
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import (
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"context"
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"fmt"
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"os"
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"strings"
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"github.com/hashicorp/terraform/command/clistate"
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"github.com/hashicorp/terraform/state"
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"github.com/hashicorp/terraform/terraform"
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"github.com/mitchellh/cli"
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)
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type EnvNewCommand struct {
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Meta
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}
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func (c *EnvNewCommand) Run(args []string) int {
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args = c.Meta.process(args, true)
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statePath := ""
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cmdFlags := c.Meta.flagSet("env new")
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cmdFlags.StringVar(&statePath, "state", "", "terraform state file")
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cmdFlags.Usage = func() { c.Ui.Error(c.Help()) }
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if err := cmdFlags.Parse(args); err != nil {
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return 1
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}
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args = cmdFlags.Args()
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if len(args) == 0 {
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c.Ui.Error("Expected a single argument: NAME.\n")
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return cli.RunResultHelp
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}
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newEnv := args[0]
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if !validEnvName(newEnv) {
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c.Ui.Error(fmt.Sprintf(envInvalidName, newEnv))
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return 1
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}
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configPath, err := ModulePath(args[1:])
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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// Load the backend
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b, err := c.Backend(&BackendOpts{ConfigPath: configPath})
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Failed to load backend: %s", err))
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return 1
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}
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states, err := b.States()
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for _, s := range states {
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if newEnv == s {
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c.Ui.Error(fmt.Sprintf(envExists, newEnv))
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return 1
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}
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}
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_, err = b.State(newEnv)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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// now save the current env locally
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if err := c.SetEnv(newEnv); err != nil {
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c.Ui.Error(fmt.Sprintf("error saving new environment name: %s", err))
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return 1
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}
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c.Ui.Output(c.Colorize().Color(fmt.Sprintf(
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strings.TrimSpace(envCreated), newEnv)))
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if statePath == "" {
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// if we're not loading a state, then we're done
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return 0
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}
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// load the new Backend state
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sMgr, err := b.State(newEnv)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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if c.stateLock {
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lockCtx, cancel := context.WithTimeout(context.Background(), c.stateLockTimeout)
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defer cancel()
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// Lock the state if we can
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lockInfo := state.NewLockInfo()
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lockInfo.Operation = "env new"
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lockID, err := clistate.Lock(lockCtx, sMgr, lockInfo, c.Ui, c.Colorize())
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error locking state: %s", err))
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return 1
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}
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defer clistate.Unlock(sMgr, lockID, c.Ui, c.Colorize())
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}
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// read the existing state file
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stateFile, err := os.Open(statePath)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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s, err := terraform.ReadState(stateFile)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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// save the existing state in the new Backend.
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err = sMgr.WriteState(s)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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err = sMgr.PersistState()
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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return 0
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}
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func (c *EnvNewCommand) Help() string {
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helpText := `
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Usage: terraform env new [OPTIONS] NAME [DIR]
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Create a new Terraform environment.
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Options:
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-state=path Copy an existing state file into the new environment.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *EnvNewCommand) Synopsis() string {
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return "Create a new environment"
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}
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