mirror of
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143 lines
3.8 KiB
Go
143 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 = c.Meta.process(args)
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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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// This is a read-only command
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c.ignoreRemoteBackendVersionConflict(b)
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// Get the state
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env, err := c.Workspace()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error selecting workspace: %s", err))
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return 1
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}
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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(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 [global options] 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 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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