4c217fd358
This PR adds a new `pulumi history` command, which prints the update history for a stack. The local backend stores the update history in a JSON file on disk, next to the checkpoint file. The cloud backend simply provides the update metadata, and expects to receive all the data from a (NYI) `/history` REST endpoint. `pkg/backend/updates.go` defines the data that is being persisted. The way the data is wired through the system is adding a new `backend.UpdateMetadata` parameter to a Stack/Backend's `Update` and `Destroy` methods. I use `tests/integration/stack_outputs/` as the simple app for the related tests, hence the addition to the `.gitignore` and fixing the name in the `Pulumi.yaml`. Fixes #636.
81 lines
2 KiB
Go
81 lines
2 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package cmd
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import (
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"encoding/json"
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"fmt"
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"os"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/pulumi/pulumi/pkg/backend"
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"github.com/pulumi/pulumi/pkg/tokens"
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"github.com/pulumi/pulumi/pkg/util/cmdutil"
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)
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func newHistoryCmd() *cobra.Command {
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var stack string
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var outputJSON bool // Requires PULUMI_DEBUG_COMMANDS
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var cmd = &cobra.Command{
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Use: "history",
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Aliases: []string{"hist"},
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SuggestFor: []string{"updates"},
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Short: "Update history for a stack",
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Long: "Update history for a stack\n" +
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"\n" +
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"This command lists data about previous updates for a stack.",
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Args: cmdutil.NoArgs,
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Run: cmdutil.RunFunc(func(cmd *cobra.Command, args []string) error {
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s, err := requireStack(tokens.QName(stack))
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if err != nil {
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return err
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}
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b := s.Backend()
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updates, err := b.GetHistory(s.Name())
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if err != nil {
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return errors.Wrap(err, "getting history")
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}
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// Sort the updates to ensure the most recent updates come first.
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backend.Sort(updates)
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if outputJSON {
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b, err := json.MarshalIndent(updates, "", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(b))
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} else {
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printUpdateHistory(updates)
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}
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return nil
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}),
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}
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cmd.PersistentFlags().StringVarP(
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&stack, "stack", "s", "",
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"Choose an stack other than the currently selected one")
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// pulumi/issues/496 tracks adding a --format option across all commands. Rather than expose a partial solution
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// for just `history`, we put the JSON flag behind an env var so we can use in tests w/o making public.
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if cmdutil.IsTruthy(os.Getenv("PULUMI_DEBUG_COMMANDS")) {
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cmd.PersistentFlags().BoolVar(&outputJSON, "output-json", false, "Output stack history as JSON")
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}
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return cmd
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}
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func printUpdateHistory(updates []backend.UpdateInfo) {
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if len(updates) == 0 {
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fmt.Println("Stack has never been updated")
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return
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}
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for _, update := range updates {
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fmt.Printf("%8v %8v %v\n", update.Kind, update.Result, update.Message)
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}
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}
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