e4946a6620
Part of the work to make it easier to tests of diff output. Specifically, we now allow users to pass --color=option for several pulumi commands. 'option' can be one of 'always', 'never', 'raw', and 'auto' (the default). The meaning of these flags are: 1. auto: colorize normally, unless in --debug 2. always: always colorize no matter what 3. never: never colorize no matter what. 4. raw: colorize, but preserve the original "<{%%}>" style control codes and not the translated platform specific codes. This is for testing purposes and ensures we can have test for this stuff across platform.
147 lines
4.1 KiB
Go
147 lines
4.1 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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"fmt"
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"os"
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"os/user"
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"path/filepath"
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"strings"
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"github.com/pkg/errors"
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git "gopkg.in/src-d/go-git.v4"
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"github.com/pulumi/pulumi/pkg/backend"
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"github.com/pulumi/pulumi/pkg/backend/cloud"
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"github.com/pulumi/pulumi/pkg/backend/local"
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"github.com/pulumi/pulumi/pkg/backend/state"
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"github.com/pulumi/pulumi/pkg/diag"
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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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"github.com/pulumi/pulumi/pkg/util/contract"
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"github.com/pulumi/pulumi/pkg/util/fsutil"
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)
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// allBackends returns all known backends. The boolean is true if any are cloud backends.
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func allBackends() ([]backend.Backend, bool) {
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// Add all the known backends to the list and query them all. We always use the local backend,
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// in addition to all of those cloud backends we are currently logged into.
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d := cmdutil.Diag()
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backends := []backend.Backend{local.New(d)}
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cloudBackends, err := cloud.CurrentBackends(d)
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if err != nil {
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// Print the error, but keep going so that the local operations still occur.
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_, fmterr := fmt.Fprintf(os.Stderr, "error: could not obtain current cloud backends: %v", err)
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contract.IgnoreError(fmterr)
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} else {
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for _, be := range cloudBackends {
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backends = append(backends, be)
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}
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}
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return backends, len(cloudBackends) > 0
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}
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func requireStack(stackName tokens.QName) (backend.Stack, error) {
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if stackName == "" {
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return requireCurrentStack()
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}
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bes, _ := allBackends()
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stack, err := state.Stack(stackName, bes)
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if err != nil {
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return nil, err
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} else if stack == nil {
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return nil, errors.Errorf("no stack named '%s' found; double check that you're logged in", stackName)
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}
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return stack, nil
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}
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func requireCurrentStack() (backend.Stack, error) {
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bes, _ := allBackends()
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stack, err := state.CurrentStack(bes)
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if err != nil {
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return nil, err
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} else if stack == nil {
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return nil, errors.New("no current stack detected; please use `pulumi stack` to `init` or `select` one")
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}
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return stack, nil
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}
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func detectOwnerAndName(dir string) (string, string, error) {
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owner, repo, err := getGitHubProjectForOrigin(dir)
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if err == nil {
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return owner, repo, nil
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}
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user, err := user.Current()
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if err != nil {
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return "", "", err
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}
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return user.Username, filepath.Base(dir), nil
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}
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func getGitHubProjectForOrigin(dir string) (string, string, error) {
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gitRoot, err := fsutil.WalkUp(dir, func(s string) bool { return filepath.Base(s) == ".git" }, nil)
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if err != nil {
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return "", "", errors.Wrap(err, "could not detect git repository")
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}
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if gitRoot == "" {
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return "", "", errors.Errorf("could not locate git repository starting at: %s", dir)
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}
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repo, err := git.NewFilesystemRepository(gitRoot)
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if err != nil {
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return "", "", err
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}
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remote, err := repo.Remote("origin")
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if err != nil {
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return "", "", errors.Wrap(err, "could not read origin information")
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}
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remoteURL := remote.Config().URL
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project := ""
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const GitHubSSHPrefix = "git@github.com:"
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const GitHubHTTPSPrefix = "https://github.com/"
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const GitHubRepositorySuffix = ".git"
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if strings.HasPrefix(remoteURL, GitHubSSHPrefix) {
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project = trimGitRemoteURL(remoteURL, GitHubSSHPrefix, GitHubRepositorySuffix)
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} else if strings.HasPrefix(remoteURL, GitHubHTTPSPrefix) {
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project = trimGitRemoteURL(remoteURL, GitHubHTTPSPrefix, GitHubRepositorySuffix)
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}
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split := strings.Split(project, "/")
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if len(split) != 2 {
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return "", "", errors.Errorf("could not detect GitHub project from url: %v", remote)
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}
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return split[0], split[1], nil
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}
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func trimGitRemoteURL(url string, prefix string, suffix string) string {
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return strings.TrimSuffix(strings.TrimPrefix(url, prefix), suffix)
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}
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func GetColor(debug bool, color string) (diag.Color, error) {
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switch color {
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case "auto":
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if debug {
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// we will use color so long as we're not spewing to debug (which is colorless).
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return diag.Never, nil
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}
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return diag.Always, nil
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case "always":
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return diag.Always, nil
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case "never":
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return diag.Never, nil
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case "raw":
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return diag.Raw, nil
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}
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return diag.Never, fmt.Errorf("unsupported color option: '%s'. Supported values are: auto, always, never, raw", color)
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}
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