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forgejo/modules/actions/workflows.go
Loïc Dachary be2de105f5
[CI] Search .forgejo/workflows first
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2024-02-05 13:33:59 +01:00

698 lines
20 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package actions
import (
"bytes"
"io"
"strings"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
api "code.gitea.io/gitea/modules/structs"
webhook_module "code.gitea.io/gitea/modules/webhook"
"github.com/gobwas/glob"
"github.com/nektos/act/pkg/jobparser"
"github.com/nektos/act/pkg/model"
"github.com/nektos/act/pkg/workflowpattern"
"gopkg.in/yaml.v3"
)
type DetectedWorkflow struct {
EntryName string
TriggerEvent *jobparser.Event
Content []byte
}
func init() {
model.OnDecodeNodeError = func(node yaml.Node, out any, err error) {
// Log the error instead of panic or fatal.
// It will be a big job to refactor act/pkg/model to return decode error,
// so we just log the error and return empty value, and improve it later.
log.Error("Failed to decode node %v into %T: %v", node, out, err)
}
}
func IsWorkflow(path string) bool {
if (!strings.HasSuffix(path, ".yaml")) && (!strings.HasSuffix(path, ".yml")) {
return false
}
return strings.HasPrefix(path, ".forgejo/workflows") || strings.HasPrefix(path, ".gitea/workflows") || strings.HasPrefix(path, ".github/workflows")
}
func ListWorkflows(commit *git.Commit) (git.Entries, error) {
tree, err := commit.SubTree(".forgejo/workflows")
if _, ok := err.(git.ErrNotExist); ok {
tree, err = commit.SubTree(".gitea/workflows")
}
if _, ok := err.(git.ErrNotExist); ok {
tree, err = commit.SubTree(".github/workflows")
}
if _, ok := err.(git.ErrNotExist); ok {
return nil, nil
}
if err != nil {
return nil, err
}
entries, err := tree.ListEntriesRecursiveFast()
if err != nil {
return nil, err
}
ret := make(git.Entries, 0, len(entries))
for _, entry := range entries {
if strings.HasSuffix(entry.Name(), ".yml") || strings.HasSuffix(entry.Name(), ".yaml") {
ret = append(ret, entry)
}
}
return ret, nil
}
func GetContentFromEntry(entry *git.TreeEntry) ([]byte, error) {
f, err := entry.Blob().DataAsync()
if err != nil {
return nil, err
}
content, err := io.ReadAll(f)
_ = f.Close()
if err != nil {
return nil, err
}
return content, nil
}
func GetEventsFromContent(content []byte) ([]*jobparser.Event, error) {
workflow, err := model.ReadWorkflow(bytes.NewReader(content))
if err != nil {
return nil, err
}
events, err := jobparser.ParseRawOn(&workflow.RawOn)
if err != nil {
return nil, err
}
return events, nil
}
func DetectWorkflows(
gitRepo *git.Repository,
commit *git.Commit,
triggedEvent webhook_module.HookEventType,
payload api.Payloader,
detectSchedule bool,
) ([]*DetectedWorkflow, []*DetectedWorkflow, error) {
entries, err := ListWorkflows(commit)
if err != nil {
return nil, nil, err
}
workflows := make([]*DetectedWorkflow, 0, len(entries))
schedules := make([]*DetectedWorkflow, 0, len(entries))
for _, entry := range entries {
content, err := GetContentFromEntry(entry)
if err != nil {
return nil, nil, err
}
// one workflow may have multiple events
events, err := GetEventsFromContent(content)
if err != nil {
log.Warn("ignore invalid workflow %q: %v", entry.Name(), err)
continue
}
for _, evt := range events {
log.Trace("detect workflow %q for event %#v matching %q", entry.Name(), evt, triggedEvent)
if evt.IsSchedule() {
if detectSchedule {
dwf := &DetectedWorkflow{
EntryName: entry.Name(),
TriggerEvent: evt,
Content: content,
}
schedules = append(schedules, dwf)
}
} else if detectMatched(gitRepo, commit, triggedEvent, payload, evt) {
dwf := &DetectedWorkflow{
EntryName: entry.Name(),
TriggerEvent: evt,
Content: content,
}
workflows = append(workflows, dwf)
}
}
}
return workflows, schedules, nil
}
func DetectScheduledWorkflows(gitRepo *git.Repository, commit *git.Commit) ([]*DetectedWorkflow, error) {
entries, err := ListWorkflows(commit)
if err != nil {
return nil, err
}
wfs := make([]*DetectedWorkflow, 0, len(entries))
for _, entry := range entries {
content, err := GetContentFromEntry(entry)
if err != nil {
return nil, err
}
// one workflow may have multiple events
events, err := GetEventsFromContent(content)
if err != nil {
log.Warn("ignore invalid workflow %q: %v", entry.Name(), err)
continue
}
for _, evt := range events {
if evt.IsSchedule() {
log.Trace("detect scheduled workflow: %q", entry.Name())
dwf := &DetectedWorkflow{
EntryName: entry.Name(),
TriggerEvent: evt,
Content: content,
}
wfs = append(wfs, dwf)
}
}
}
return wfs, nil
}
func detectMatched(gitRepo *git.Repository, commit *git.Commit, triggedEvent webhook_module.HookEventType, payload api.Payloader, evt *jobparser.Event) bool {
if !canGithubEventMatch(evt.Name, triggedEvent) {
return false
}
switch triggedEvent {
case // events with no activity types
webhook_module.HookEventCreate,
webhook_module.HookEventDelete,
webhook_module.HookEventFork,
webhook_module.HookEventWiki,
webhook_module.HookEventSchedule:
if len(evt.Acts()) != 0 {
log.Warn("Ignore unsupported %s event arguments %v", triggedEvent, evt.Acts())
}
// no special filter parameters for these events, just return true if name matched
return true
case // push
webhook_module.HookEventPush:
return matchPushEvent(commit, payload.(*api.PushPayload), evt)
case // issues
webhook_module.HookEventIssues,
webhook_module.HookEventIssueAssign,
webhook_module.HookEventIssueLabel,
webhook_module.HookEventIssueMilestone:
return matchIssuesEvent(commit, payload.(*api.IssuePayload), evt)
case // issue_comment
webhook_module.HookEventIssueComment,
// `pull_request_comment` is same as `issue_comment`
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_comment-use-issue_comment
webhook_module.HookEventPullRequestComment:
return matchIssueCommentEvent(commit, payload.(*api.IssueCommentPayload), evt)
case // pull_request
webhook_module.HookEventPullRequest,
webhook_module.HookEventPullRequestSync,
webhook_module.HookEventPullRequestAssign,
webhook_module.HookEventPullRequestLabel:
return matchPullRequestEvent(gitRepo, commit, payload.(*api.PullRequestPayload), evt)
case // pull_request_review
webhook_module.HookEventPullRequestReviewApproved,
webhook_module.HookEventPullRequestReviewRejected:
return matchPullRequestReviewEvent(commit, payload.(*api.PullRequestPayload), evt)
case // pull_request_review_comment
webhook_module.HookEventPullRequestReviewComment:
return matchPullRequestReviewCommentEvent(commit, payload.(*api.PullRequestPayload), evt)
case // release
webhook_module.HookEventRelease:
return matchReleaseEvent(commit, payload.(*api.ReleasePayload), evt)
case // registry_package
webhook_module.HookEventPackage:
return matchPackageEvent(commit, payload.(*api.PackagePayload), evt)
default:
log.Warn("unsupported event %q", triggedEvent)
return false
}
}
func matchPushEvent(commit *git.Commit, pushPayload *api.PushPayload, evt *jobparser.Event) bool {
// with no special filter parameters
if len(evt.Acts()) == 0 {
return true
}
matchTimes := 0
hasBranchFilter := false
hasTagFilter := false
refName := git.RefName(pushPayload.Ref)
// all acts conditions should be satisfied
for cond, vals := range evt.Acts() {
switch cond {
case "branches":
hasBranchFilter = true
if !refName.IsBranch() {
break
}
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Skip(patterns, []string{refName.BranchName()}, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
case "branches-ignore":
hasBranchFilter = true
if !refName.IsBranch() {
break
}
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Filter(patterns, []string{refName.BranchName()}, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
case "tags":
hasTagFilter = true
if !refName.IsTag() {
break
}
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Skip(patterns, []string{refName.TagName()}, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
case "tags-ignore":
hasTagFilter = true
if !refName.IsTag() {
break
}
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Filter(patterns, []string{refName.TagName()}, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
case "paths":
filesChanged, err := commit.GetFilesChangedSinceCommit(pushPayload.Before)
if err != nil {
log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", commit.ID.String(), err)
} else {
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Skip(patterns, filesChanged, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
}
case "paths-ignore":
filesChanged, err := commit.GetFilesChangedSinceCommit(pushPayload.Before)
if err != nil {
log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", commit.ID.String(), err)
} else {
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Filter(patterns, filesChanged, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
}
default:
log.Warn("push event unsupported condition %q", cond)
}
}
// if both branch and tag filter are defined in the workflow only one needs to match
if hasBranchFilter && hasTagFilter {
matchTimes++
}
return matchTimes == len(evt.Acts())
}
func matchIssuesEvent(commit *git.Commit, issuePayload *api.IssuePayload, evt *jobparser.Event) bool {
// with no special filter parameters
if len(evt.Acts()) == 0 {
return true
}
matchTimes := 0
// all acts conditions should be satisfied
for cond, vals := range evt.Acts() {
switch cond {
case "types":
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#issues
// Actions with the same name:
// opened, edited, closed, reopened, assigned, unassigned, milestoned, demilestoned
// Actions need to be converted:
// label_updated -> labeled
// label_cleared -> unlabeled
// Unsupported activity types:
// deleted, transferred, pinned, unpinned, locked, unlocked
action := issuePayload.Action
switch action {
case api.HookIssueLabelUpdated:
action = "labeled"
case api.HookIssueLabelCleared:
action = "unlabeled"
}
for _, val := range vals {
if glob.MustCompile(val, '/').Match(string(action)) {
matchTimes++
break
}
}
default:
log.Warn("issue event unsupported condition %q", cond)
}
}
return matchTimes == len(evt.Acts())
}
func matchPullRequestEvent(gitRepo *git.Repository, commit *git.Commit, prPayload *api.PullRequestPayload, evt *jobparser.Event) bool {
acts := evt.Acts()
activityTypeMatched := false
matchTimes := 0
if vals, ok := acts["types"]; !ok {
// defaultly, only pull request `opened`, `reopened` and `synchronized` will trigger workflow
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request
activityTypeMatched = prPayload.Action == api.HookIssueSynchronized || prPayload.Action == api.HookIssueOpened || prPayload.Action == api.HookIssueReOpened
} else {
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request
// Actions with the same name:
// opened, edited, closed, reopened, assigned, unassigned
// Actions need to be converted:
// synchronized -> synchronize
// label_updated -> labeled
// label_cleared -> unlabeled
// Unsupported activity types:
// converted_to_draft, ready_for_review, locked, unlocked, review_requested, review_request_removed, auto_merge_enabled, auto_merge_disabled
action := prPayload.Action
switch action {
case api.HookIssueSynchronized:
action = "synchronize"
case api.HookIssueLabelUpdated:
action = "labeled"
case api.HookIssueLabelCleared:
action = "unlabeled"
}
log.Trace("matching pull_request %s with %v", action, vals)
for _, val := range vals {
if glob.MustCompile(val, '/').Match(string(action)) {
activityTypeMatched = true
matchTimes++
break
}
}
}
var (
headCommit = commit
err error
)
if evt.Name == GithubEventPullRequestTarget && (len(acts["paths"]) > 0 || len(acts["paths-ignore"]) > 0) {
headCommit, err = gitRepo.GetCommit(prPayload.PullRequest.Head.Sha)
if err != nil {
log.Error("GetCommit [ref: %s]: %v", prPayload.PullRequest.Head.Sha, err)
return false
}
}
// all acts conditions should be satisfied
for cond, vals := range acts {
switch cond {
case "branches":
refName := git.RefName(prPayload.PullRequest.Base.Ref)
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Skip(patterns, []string{refName.ShortName()}, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
case "branches-ignore":
refName := git.RefName(prPayload.PullRequest.Base.Ref)
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Filter(patterns, []string{refName.ShortName()}, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
case "paths":
filesChanged, err := headCommit.GetFilesChangedSinceCommit(prPayload.PullRequest.Base.Ref)
if err != nil {
log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", headCommit.ID.String(), err)
} else {
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Skip(patterns, filesChanged, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
}
case "paths-ignore":
filesChanged, err := headCommit.GetFilesChangedSinceCommit(prPayload.PullRequest.Base.Ref)
if err != nil {
log.Error("GetFilesChangedSinceCommit [commit_sha1: %s]: %v", headCommit.ID.String(), err)
} else {
patterns, err := workflowpattern.CompilePatterns(vals...)
if err != nil {
break
}
if !workflowpattern.Filter(patterns, filesChanged, &workflowpattern.EmptyTraceWriter{}) {
matchTimes++
}
}
default:
log.Warn("pull request event unsupported condition %q", cond)
}
}
return activityTypeMatched && matchTimes == len(evt.Acts())
}
func matchIssueCommentEvent(commit *git.Commit, issueCommentPayload *api.IssueCommentPayload, evt *jobparser.Event) bool {
// with no special filter parameters
if len(evt.Acts()) == 0 {
return true
}
matchTimes := 0
// all acts conditions should be satisfied
for cond, vals := range evt.Acts() {
switch cond {
case "types":
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#issue_comment
// Actions with the same name:
// created, edited, deleted
// Actions need to be converted:
// NONE
// Unsupported activity types:
// NONE
for _, val := range vals {
if glob.MustCompile(val, '/').Match(string(issueCommentPayload.Action)) {
matchTimes++
break
}
}
default:
log.Warn("issue comment event unsupported condition %q", cond)
}
}
return matchTimes == len(evt.Acts())
}
func matchPullRequestReviewEvent(commit *git.Commit, prPayload *api.PullRequestPayload, evt *jobparser.Event) bool {
// with no special filter parameters
if len(evt.Acts()) == 0 {
return true
}
matchTimes := 0
// all acts conditions should be satisfied
for cond, vals := range evt.Acts() {
switch cond {
case "types":
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_review
// Activity types with the same name:
// NONE
// Activity types need to be converted:
// reviewed -> submitted
// reviewed -> edited
// Unsupported activity types:
// dismissed
actions := make([]string, 0)
if prPayload.Action == api.HookIssueReviewed {
// the `reviewed` HookIssueAction can match the two activity types: `submitted` and `edited`
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_review
actions = append(actions, "submitted", "edited")
}
matched := false
for _, val := range vals {
for _, action := range actions {
if glob.MustCompile(val, '/').Match(action) {
matched = true
break
}
}
if matched {
break
}
}
if matched {
matchTimes++
}
default:
log.Warn("pull request review event unsupported condition %q", cond)
}
}
return matchTimes == len(evt.Acts())
}
func matchPullRequestReviewCommentEvent(commit *git.Commit, prPayload *api.PullRequestPayload, evt *jobparser.Event) bool {
// with no special filter parameters
if len(evt.Acts()) == 0 {
return true
}
matchTimes := 0
// all acts conditions should be satisfied
for cond, vals := range evt.Acts() {
switch cond {
case "types":
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_review_comment
// Activity types with the same name:
// NONE
// Activity types need to be converted:
// reviewed -> created
// reviewed -> edited
// Unsupported activity types:
// deleted
actions := make([]string, 0)
if prPayload.Action == api.HookIssueReviewed {
// the `reviewed` HookIssueAction can match the two activity types: `created` and `edited`
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_review_comment
actions = append(actions, "created", "edited")
}
matched := false
for _, val := range vals {
for _, action := range actions {
if glob.MustCompile(val, '/').Match(action) {
matched = true
break
}
}
if matched {
break
}
}
if matched {
matchTimes++
}
default:
log.Warn("pull request review comment event unsupported condition %q", cond)
}
}
return matchTimes == len(evt.Acts())
}
func matchReleaseEvent(commit *git.Commit, payload *api.ReleasePayload, evt *jobparser.Event) bool {
// with no special filter parameters
if len(evt.Acts()) == 0 {
return true
}
matchTimes := 0
// all acts conditions should be satisfied
for cond, vals := range evt.Acts() {
switch cond {
case "types":
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#release
// Activity types with the same name:
// published
// Activity types need to be converted:
// updated -> edited
// Unsupported activity types:
// unpublished, created, deleted, prereleased, released
action := payload.Action
switch action {
case api.HookReleaseUpdated:
action = "edited"
}
for _, val := range vals {
if glob.MustCompile(val, '/').Match(string(action)) {
matchTimes++
break
}
}
default:
log.Warn("release event unsupported condition %q", cond)
}
}
return matchTimes == len(evt.Acts())
}
func matchPackageEvent(commit *git.Commit, payload *api.PackagePayload, evt *jobparser.Event) bool {
// with no special filter parameters
if len(evt.Acts()) == 0 {
return true
}
matchTimes := 0
// all acts conditions should be satisfied
for cond, vals := range evt.Acts() {
switch cond {
case "types":
// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#registry_package
// Activity types with the same name:
// NONE
// Activity types need to be converted:
// created -> published
// Unsupported activity types:
// updated
action := payload.Action
switch action {
case api.HookPackageCreated:
action = "published"
}
for _, val := range vals {
if glob.MustCompile(val, '/').Match(string(action)) {
matchTimes++
break
}
}
default:
log.Warn("package event unsupported condition %q", cond)
}
}
return matchTimes == len(evt.Acts())
}