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c9d62bb2f6
Any command using meta.defaultFlagSet *might* occasionally exit before the flag package's output got written. This caused flag error messages to get lost. This PR discards the flag package output in favor of directly returning the error to the end user.
144 lines
3.8 KiB
Go
144 lines
3.8 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/addrs"
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"github.com/hashicorp/terraform/states"
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"github.com/hashicorp/terraform/tfdiags"
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"github.com/mitchellh/cli"
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)
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// StateListCommand is a Command implementation that lists the resources
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// within a state file.
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type StateListCommand struct {
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Meta
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StateMeta
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}
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func (c *StateListCommand) 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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var statePath string
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cmdFlags := c.Meta.defaultFlagSet("state list")
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cmdFlags.StringVar(&statePath, "state", "", "path")
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lookupId := cmdFlags.String("id", "", "Restrict output to paths with a resource having the specified ID.")
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if err := cmdFlags.Parse(args); err != nil {
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c.Ui.Error(fmt.Sprintf("Error parsing command-line flags: %s\n", err.Error()))
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return cli.RunResultHelp
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}
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args = cmdFlags.Args()
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if statePath != "" {
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c.Meta.statePath = statePath
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}
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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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stateMgr, err := b.StateMgr(env)
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if err != nil {
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c.Ui.Error(fmt.Sprintf(errStateLoadingState, err))
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return 1
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}
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if err := stateMgr.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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state := stateMgr.State()
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if state == 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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var addrs []addrs.AbsResourceInstance
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var diags tfdiags.Diagnostics
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if len(args) == 0 {
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addrs, diags = c.lookupAllResourceInstanceAddrs(state)
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} else {
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addrs, diags = c.lookupResourceInstanceAddrs(state, args...)
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}
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if diags.HasErrors() {
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c.showDiagnostics(diags)
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return 1
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}
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for _, addr := range addrs {
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if is := state.ResourceInstance(addr); is != nil {
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if *lookupId == "" || *lookupId == states.LegacyInstanceObjectID(is.Current) {
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c.Ui.Output(addr.String())
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}
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}
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}
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c.showDiagnostics(diags)
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return 0
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}
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func (c *StateListCommand) Help() string {
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helpText := `
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Usage: terraform state list [options] [address...]
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List resources in the Terraform state.
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This command lists resource instances in the Terraform state. The address
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argument can be used to filter the instances by resource or module. If
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no pattern is given, all resource instances are listed.
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The addresses must either be module addresses or absolute resource
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addresses, such as:
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aws_instance.example
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module.example
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module.example.module.child
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module.example.aws_instance.example
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An error will be returned if any of the resources or modules given as
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filter addresses do not exist in the state.
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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, Terraform
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will consult the state of the currently-selected
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workspace.
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-id=ID Filters the results to include only instances whose
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resource types have an attribute named "id" whose value
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equals the given id string.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *StateListCommand) Synopsis() string {
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return "List resources in the state"
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}
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const errStateFilter = `Error filtering state: %[1]s
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Please ensure that all your addresses are formatted properly.`
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const errStateLoadingState = `Error loading the state: %[1]s
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Please ensure that your Terraform state exists and that you've
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configured it properly. You can use the "-state" flag to point
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Terraform at another state file.`
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const errStateNotFound = `No state file was found!
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State management commands require a state file. Run this command
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in a directory where Terraform has been run or use the -state flag
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to point the command to a specific state location.`
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