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perform.go
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perform.go
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package promote
import (
"cmp"
"errors"
"fmt"
"sort"
"strings"
"github.com/google/uuid"
"github.com/nestoca/joy/internal/git/pr"
"github.com/nestoca/joy/internal/info"
"github.com/nestoca/joy/internal/links"
"github.com/nestoca/joy/internal/release/cross"
"github.com/nestoca/joy/internal/style"
)
const (
defaultCommitAndPRTemplate = `Promote {{ len .Releases }} releases ({{ .SourceEnvironment.Name }} -> {{ .TargetEnvironment.Name }})`
)
type PerformOpts struct {
list cross.ReleaseList
autoMerge bool
draft bool
dryRun bool
localOnly bool
commitTemplate string
pullRequestTemplate string
templateVariables map[string]string
infoProvider info.Provider
linksProvider links.Provider
}
// perform performs the promotion of all releases in given list and returns PR url if any
func (p *Promotion) perform(opts PerformOpts) (string, error) {
if len(opts.list.Environments) != 2 {
return "", fmt.Errorf("expecting 2 environments, got %d", len(opts.list.Environments))
}
sourceEnv := opts.list.Environments[0]
targetEnv := opts.list.Environments[1]
info := &PromotionInfo{
SourceEnvironment: sourceEnv,
TargetEnvironment: targetEnv,
Variables: opts.templateVariables,
}
var promotedFiles []string
for _, crossRelease := range opts.list.SortedCrossReleases() {
promotedFile := crossRelease.PromotedFile
if promotedFile == nil {
continue
}
promotedFiles = append(promotedFiles, promotedFile.Path)
sourceRelease := crossRelease.Releases[0]
targetRelease := crossRelease.Releases[1]
isCreatingTargetRelease := targetRelease == nil
p.PromptProvider.PrintUpdatingTargetRelease(targetEnv.Name, crossRelease.Name, promotedFile.Path, isCreatingTargetRelease)
if opts.dryRun {
p.printf("ℹ️ Dry-run: skipping writing promoted release %s to: %s\n", style.Resource(crossRelease.Name), style.SecondaryInfo(promotedFile.Path))
} else {
if err := p.YamlWriter.WriteFile(promotedFile); err != nil {
return "", fmt.Errorf("writing release %q promoted target yaml to file %q: %w", crossRelease.Name, promotedFile.Path, err)
}
}
p.printf("🧬 Collecting information about release %s...\n", style.Resource(crossRelease.Name))
releaseInfo, err := getReleaseInfo(sourceRelease, targetRelease, opts)
if err != nil {
err = fmt.Errorf("collecting release %q info: %w", sourceRelease.Name, err)
p.printf("⚠️ %v\n", err)
releaseInfo = &ReleaseInfo{
Name: sourceRelease.Name,
Error: err,
}
}
info.Releases = append(info.Releases, releaseInfo)
info.Error = errors.Join(info.Error, releaseInfo.Error)
}
if len(promotedFiles) == 0 {
p.println("🤷 Nothing to promote!")
return "", nil
}
commitTemplate := cmp.Or(opts.commitTemplate, defaultCommitAndPRTemplate)
commitMessage, err := renderMessage(commitTemplate, info)
if err != nil {
return "", fmt.Errorf("rendering commit message: %w", err)
}
modeName := "normal"
if opts.dryRun {
modeName = "Dry-Run"
}
if opts.localOnly {
modeName = "Local-Only"
}
branchName := getBranchName(info)
if opts.dryRun || opts.localOnly {
p.printf("ℹ️ %s: skipping creation of branch %s\nFiles:\n%s\nCommit message:\n%s\n",
modeName,
style.Resource(branchName), style.SecondaryInfo("- "+strings.Join(promotedFiles, "\n- ")),
style.SecondaryInfo(commitMessage))
} else {
err = p.GitProvider.CreateAndPushBranchWithFiles(branchName, promotedFiles, commitMessage)
if err != nil {
return "", err
}
p.PromptProvider.PrintBranchCreated(branchName, commitMessage)
}
var labels []string
labels = append(labels, "environment:"+info.TargetEnvironment.Name)
for _, release := range info.Releases {
labels = append(labels, "release:"+release.Name)
}
if opts.autoMerge {
labels = append(labels, "auto-merge")
}
pullRequestTemplate := cmp.Or(opts.pullRequestTemplate, defaultCommitAndPRTemplate)
prMessage, err := renderMessage(pullRequestTemplate, info)
if err != nil {
return "", fmt.Errorf("rendering pull request message: %w", err)
}
prLines := strings.SplitN(prMessage, "\n", 2)
prTitle := prLines[0]
prBody := ""
if len(prLines) > 1 {
prBody = prLines[1]
}
reviewers := getReviewers(info)
if opts.dryRun || opts.localOnly {
p.printf("ℹ️ %s: skipping creation of pull request:\n%s\n%s\nReviewers:\n%s\nLabels:\n%s\n",
modeName,
style.SecondaryInfo(prTitle), style.SecondaryInfo(prBody),
style.SecondaryInfo("- "+strings.Join(reviewers, "\n- ")),
style.SecondaryInfo("- "+strings.Join(labels, "\n- ")))
p.PromptProvider.PrintCompleted()
return "", nil
}
prURL, err := p.PullRequestProvider.Create(pr.CreateParams{
Branch: branchName,
Title: prTitle,
Body: prBody,
Labels: labels,
Draft: opts.draft,
Reviewers: reviewers,
})
if err != nil {
return "", fmt.Errorf("creating pull request: %w", err)
}
if opts.draft {
p.PromptProvider.PrintDraftPullRequestCreated(prURL)
} else {
p.PromptProvider.PrintPullRequestCreated(prURL)
}
if err := p.GitProvider.CheckoutMasterBranch(); err != nil {
return "", fmt.Errorf("checking out master: %w", err)
}
p.PromptProvider.PrintCompleted()
return prURL, nil
}
func getReviewers(info *PromotionInfo) []string {
uniqueAuthors := make(map[string]bool)
for _, release := range info.Releases {
for _, owner := range release.Reviewers {
uniqueAuthors[owner] = true
}
// releaseInfo.Project may be nil if an error was encountered.
// therefore we need to check if the project exists before dereferencing it
if release.Project != nil {
for _, owner := range release.Project.Spec.Reviewers {
uniqueAuthors[owner] = true
}
}
for _, commit := range release.Commits {
uniqueAuthors[commit.GitHubAuthor] = true
}
}
var reviewers []string
for reviewer := range uniqueAuthors {
if reviewer == "*" || reviewer == "github-actions[bot]" {
continue
}
reviewers = append(reviewers, reviewer)
}
sort.Strings(reviewers)
return reviewers
}
func getBranchName(info *PromotionInfo) string {
var releases string
if len(info.Releases) == 1 {
releases = info.Releases[0].Name
} else {
releases = fmt.Sprintf("%d-releases", len(info.Releases))
}
uniqueID := uuid.New().String()
name := fmt.Sprintf("promote-%s-from-%s-to-%s-%s", releases, info.SourceEnvironment.Name, info.TargetEnvironment.Name, uniqueID)
if len(name) > 255 {
name = name[:255]
}
return name
}