package command import ( "flag" "fmt" "os" "strings" "github.com/hashicorp/terraform/terraform" ) // ShowCommand is a Command implementation that reads and outputs the // contents of a Terraform plan or state file. type ShowCommand struct { Meta } func (c *ShowCommand) Run(args []string) int { args = c.Meta.process(args, false) cmdFlags := flag.NewFlagSet("show", flag.ContinueOnError) cmdFlags.Usage = func() { c.Ui.Error(c.Help()) } if err := cmdFlags.Parse(args); err != nil { return 1 } args = cmdFlags.Args() if len(args) != 1 { c.Ui.Error( "The show command expects exactly one argument with the path\n" + "to a Terraform state or plan file.\n") cmdFlags.Usage() return 1 } path := args[0] var plan *terraform.Plan var state *terraform.State f, err := os.Open(path) if err != nil { c.Ui.Error(fmt.Sprintf("Error loading file: %s", err)) return 1 } var planErr, stateErr error plan, err = terraform.ReadPlan(f) if err != nil { if _, err := f.Seek(0, 0); err != nil { c.Ui.Error(fmt.Sprintf("Error reading file: %s", err)) return 1 } plan = nil planErr = err } if plan == nil { state, err = terraform.ReadState(f) if err != nil { stateErr = err } } if plan == nil && state == nil { c.Ui.Error(fmt.Sprintf( "Terraform couldn't read the given file as a state or plan file.\n"+ "The errors while attempting to read the file as each format are\n"+ "shown below.\n\n"+ "State read error: %s\n\nPlan read error: %s", stateErr, planErr)) return 1 } if plan != nil { c.Ui.Output(FormatPlan(plan, c.Colorize())) return 0 } c.Ui.Output(FormatState(state, c.Colorize())) return 0 } func (c *ShowCommand) Help() string { helpText := ` Usage: terraform show [options] path Reads and outputs a Terraform state or plan file in a human-readable form. Options: -no-color If specified, output won't contain any color. ` return strings.TrimSpace(helpText) } func (c *ShowCommand) Synopsis() string { return "Inspect Terraform state or plan" }