145 lines
3.4 KiB
Go
145 lines
3.4 KiB
Go
package command
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import (
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"fmt"
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"strings"
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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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// UnlockCommand is a cli.Command implementation that manually unlocks
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// the state.
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type UnlockCommand struct {
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Meta
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}
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func (c *UnlockCommand) Run(args []string) int {
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args, err := c.Meta.process(args, false)
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if err != nil {
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return 1
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}
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force := false
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cmdFlags := c.Meta.flagSet("force-unlock")
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cmdFlags.BoolVar(&force, "force", false, "force")
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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("unlock requires a lock id argument")
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return cli.RunResultHelp
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}
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lockID := args[0]
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args = args[1:]
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// assume everything is initialized. The user can manually init if this is
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// required.
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configPath, err := ModulePath(args)
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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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conf, err := c.Config(configPath)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Failed to load root config module: %s", err))
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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{
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Config: conf,
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})
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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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env := c.Workspace()
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st, err := b.State(env)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Failed to load state: %s", err))
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return 1
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}
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isLocal := false
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switch s := st.(type) {
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case *state.BackupState:
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if _, ok := s.Real.(*state.LocalState); ok {
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isLocal = true
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}
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case *state.LocalState:
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isLocal = true
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}
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if !force {
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// Forcing this doesn't do anything, but doesn't break anything either,
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// and allows us to run the basic command test too.
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if isLocal {
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c.Ui.Error("Local state cannot be unlocked by another process")
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return 1
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}
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desc := "Terraform will remove the lock on the remote state.\n" +
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"This will allow local Terraform commands to modify this state, even though it\n" +
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"may be still be in use. Only 'yes' will be accepted to confirm."
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v, err := c.UIInput().Input(&terraform.InputOpts{
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Id: "force-unlock",
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Query: "Do you really want to force-unlock?",
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Description: desc,
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})
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error asking for confirmation: %s", err))
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return 1
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}
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if v != "yes" {
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c.Ui.Output("force-unlock cancelled.")
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return 1
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}
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}
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if err := st.Unlock(lockID); err != nil {
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c.Ui.Error(fmt.Sprintf("Failed to unlock state: %s", err))
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return 1
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}
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c.Ui.Output(c.Colorize().Color(strings.TrimSpace(outputUnlockSuccess)))
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return 0
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}
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func (c *UnlockCommand) Help() string {
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helpText := `
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Usage: terraform force-unlock LOCK_ID [DIR]
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Manually unlock the state for the defined configuration.
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This will not modify your infrastructure. This command removes the lock on the
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state for the current configuration. The behavior of this lock is dependent
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on the backend being used. Local state files cannot be unlocked by another
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process.
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Options:
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-force Don't ask for input for unlock confirmation.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *UnlockCommand) Synopsis() string {
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return "Manually unlock the terraform state"
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}
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const outputUnlockSuccess = `
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[reset][bold][green]Terraform state has been successfully unlocked![reset][green]
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The state has been unlocked, and Terraform commands should now be able to
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obtain a new lock on the remote state.
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`
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