command/apply: basic implementation
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@ -1,18 +1,67 @@
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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/config"
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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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// ApplyCommand is a Command implementation that applies a Terraform
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// configuration and actually builds or changes infrastructure.
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type ApplyCommand struct {
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Ui cli.Ui
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TFConfig *terraform.Config
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Ui cli.Ui
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}
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func (c *ApplyCommand) Run(_ []string) int {
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func (c *ApplyCommand) Run(args []string) int {
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cmdFlags := flag.NewFlagSet("apply", 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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args = cmdFlags.Args()
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if len(args) != 1 {
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c.Ui.Error(
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"The apply command expects only one argument with the path\n" +
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"to a Terraform configuration.\n")
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cmdFlags.Usage()
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return 1
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}
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b, err := config.Load(args[0])
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error loading blueprint: %s", err))
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return 1
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}
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tfconfig := c.TFConfig
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tfconfig.Config = b
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tf, err := terraform.New(tfconfig)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error initializing Terraform: %s", err))
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return 1
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}
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diff, err := tf.Diff(nil)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error running diff: %s", err))
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return 1
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}
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state, err := tf.Apply(nil, diff)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error applying diff: %s", err))
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return 1
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}
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c.Ui.Output(strings.TrimSpace(state.String()))
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return 0
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}
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@ -25,7 +25,8 @@ func init() {
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Commands = map[string]cli.CommandFactory{
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"apply": func() (cli.Command, error) {
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return &command.ApplyCommand{
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Ui: ui,
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TFConfig: &TFConfig,
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Ui: ui,
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}, nil
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},
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