83 lines
1.7 KiB
Go
83 lines
1.7 KiB
Go
package command
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import (
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"flag"
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"fmt"
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"strings"
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"github.com/hashicorp/terraform/state"
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)
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type PullCommand struct {
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Meta
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}
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func (c *PullCommand) Run(args []string) int {
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args = c.Meta.process(args, false)
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cmdFlags := flag.NewFlagSet("pull", flag.ContinueOnError)
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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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// Read out our state
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s, err := c.State()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Failed to read state: %s", err))
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return 1
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}
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localState := s.State()
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// If remote state isn't enabled, it is a problem.
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if !localState.IsRemote() {
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c.Ui.Error("Remote state not enabled!")
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return 1
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}
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// We need the CacheState structure in order to do anything
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var cache *state.CacheState
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if bs, ok := s.(*state.BackupState); ok {
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if cs, ok := bs.Real.(*state.CacheState); ok {
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cache = cs
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}
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}
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if cache == nil {
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c.Ui.Error(fmt.Sprintf(
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"Failed to extract internal CacheState from remote state.\n" +
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"This is an internal error, please report it as a bug."))
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return 1
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}
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// Refresh the state
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if err := cache.RefreshState(); err != nil {
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c.Ui.Error(fmt.Sprintf(
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"Failed to refresh from remote state: %s", err))
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return 1
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}
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// Use an error exit code if the update was not a success
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change := cache.RefreshResult()
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if !change.SuccessfulPull() {
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c.Ui.Error(fmt.Sprintf("%s", change))
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return 1
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} else {
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c.Ui.Output(fmt.Sprintf("%s", change))
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}
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return 0
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}
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func (c *PullCommand) Help() string {
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helpText := `
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Usage: terraform pull [options]
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Refreshes the cached state file from the remote server.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *PullCommand) Synopsis() string {
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return "Refreshes the local state copy from the remote server"
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}
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