126 lines
2.7 KiB
Go
126 lines
2.7 KiB
Go
package command
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import (
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"fmt"
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"sort"
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"strings"
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"github.com/hashicorp/terraform/terraform"
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"github.com/mitchellh/cli"
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"github.com/ryanuber/columnize"
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)
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// StateShowCommand is a Command implementation that shows a single resource.
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type StateShowCommand struct {
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Meta
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StateMeta
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}
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func (c *StateShowCommand) Run(args []string) int {
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args, err := c.Meta.process(args, true)
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if err != nil {
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return 1
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}
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cmdFlags := c.Meta.flagSet("state show")
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cmdFlags.StringVar(&c.Meta.statePath, "state", DefaultStateFilename, "path")
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if err := cmdFlags.Parse(args); err != nil {
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return cli.RunResultHelp
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}
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args = cmdFlags.Args()
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// Load the backend
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b, backendDiags := c.Backend(nil)
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if backendDiags.HasErrors() {
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c.showDiagnostics(backendDiags)
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return 1
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}
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// Get the state
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env := c.Workspace()
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state, 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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if err := state.RefreshState(); 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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stateReal := state.State()
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if stateReal == nil {
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c.Ui.Error(fmt.Sprintf(errStateNotFound))
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return 1
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}
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filter := &terraform.StateFilter{State: stateReal}
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results, err := filter.Filter(args...)
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if err != nil {
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c.Ui.Error(fmt.Sprintf(errStateFilter, err))
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return 1
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}
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if len(results) == 0 {
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return 0
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}
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instance, err := c.filterInstance(results)
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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 instance == nil {
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return 0
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}
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is := instance.Value.(*terraform.InstanceState)
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// Sort the keys
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var keys []string
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for k, _ := range is.Attributes {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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// Build the output
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var output []string
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output = append(output, fmt.Sprintf("id | %s", is.ID))
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for _, k := range keys {
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if k != "id" {
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output = append(output, fmt.Sprintf("%s | %s", k, is.Attributes[k]))
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}
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}
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// Output
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config := columnize.DefaultConfig()
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config.Glue = " = "
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c.Ui.Output(columnize.Format(output, config))
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return 0
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}
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func (c *StateShowCommand) Help() string {
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helpText := `
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Usage: terraform state show [options] ADDRESS
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Shows the attributes of a resource in the Terraform state.
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This command shows the attributes of a single resource in the Terraform
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state. The address argument must be used to specify a single resource.
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You can view the list of available resources with "terraform state list".
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Options:
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-state=statefile Path to a Terraform state file to use to look
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up Terraform-managed resources. By default it will
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use the state "terraform.tfstate" if it exists.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *StateShowCommand) Synopsis() string {
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return "Show a resource in the state"
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}
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