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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.
84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
package command
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import (
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"bytes"
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"fmt"
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"strings"
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"github.com/hashicorp/terraform/states/statefile"
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"github.com/hashicorp/terraform/states/statemgr"
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)
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// StatePullCommand is a Command implementation that shows a single resource.
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type StatePullCommand struct {
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Meta
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StateMeta
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}
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func (c *StatePullCommand) 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.defaultFlagSet("state pull")
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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 1
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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 manager for the current workspace
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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 refresh state: %s", err))
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return 1
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}
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// Get a statefile object representing the latest snapshot
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stateFile := statemgr.Export(stateMgr)
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if stateFile != nil { // we produce no output if the statefile is nil
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var buf bytes.Buffer
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err = statefile.Write(stateFile, &buf)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Failed to write state: %s", err))
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return 1
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}
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c.Ui.Output(buf.String())
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}
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return 0
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}
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func (c *StatePullCommand) Help() string {
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helpText := `
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Usage: terraform state pull [options]
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Pull the state from its location and output it to stdout.
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This command "pulls" the current state and outputs it to stdout.
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The primary use of this is for state stored remotely. This command
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will still work with local state but is less useful for this.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *StatePullCommand) Synopsis() string {
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return "Pull current state and output to stdout"
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}
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