542 lines
15 KiB
Go
542 lines
15 KiB
Go
// Copyright 2019 Drone IO, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package trigger
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import (
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"context"
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"runtime/debug"
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"strings"
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"time"
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"github.com/drone/drone-yaml/yaml"
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"github.com/drone/drone-yaml/yaml/converter"
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"github.com/drone/drone-yaml/yaml/linter"
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"github.com/drone/drone-yaml/yaml/signer"
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"github.com/drone/drone/core"
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"github.com/drone/drone/trigger/dag"
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"github.com/sirupsen/logrus"
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)
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type triggerer struct {
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config core.ConfigService
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commits core.CommitService
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status core.StatusService
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builds core.BuildStore
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sched core.Scheduler
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repos core.RepositoryStore
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users core.UserStore
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hooks core.WebhookSender
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}
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// New returns a new build triggerer.
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func New(
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config core.ConfigService,
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commits core.CommitService,
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status core.StatusService,
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builds core.BuildStore,
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sched core.Scheduler,
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repos core.RepositoryStore,
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users core.UserStore,
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hooks core.WebhookSender,
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) core.Triggerer {
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return &triggerer{
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config: config,
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commits: commits,
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status: status,
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builds: builds,
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sched: sched,
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repos: repos,
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users: users,
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hooks: hooks,
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}
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}
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func (t *triggerer) Trigger(ctx context.Context, repo *core.Repository, base *core.Hook) (*core.Build, error) {
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logger := logrus.WithFields(
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logrus.Fields{
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"repo": repo.Slug,
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"ref": base.Ref,
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"event": base.Event,
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"commit": base.After,
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},
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)
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logger.Debugln("trigger: received")
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defer func() {
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// taking the paranoid approach to recover from
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// a panic that should absolutely never happen.
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if r := recover(); r != nil {
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logger.Errorf("runner: unexpected panic: %s", r)
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debug.PrintStack()
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}
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}()
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if skipMessage(base) {
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logger.Infoln("trigger: skipping hook. found skip directive")
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return nil, nil
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}
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if base.Event == core.EventPullRequest {
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if repo.IgnorePulls {
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logger.Infoln("trigger: skipping hook. project ignores pull requests")
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return nil, nil
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}
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if repo.IgnoreForks && !strings.EqualFold(base.Fork, repo.Slug) {
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logger.Infoln("trigger: skipping hook. project ignores forks")
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return nil, nil
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}
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}
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user, err := t.users.Find(ctx, repo.UserID)
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if err != nil {
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logger = logger.WithError(err)
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logger.Warnln("trigger: cannot find repository owner")
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return nil, err
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}
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if user.Active == false {
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logger.Infoln("trigger: skipping hook. repository owner is inactive")
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return nil, nil
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}
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// if the commit message is not included we should
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// make an optional API call to the version control
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// system to augment the available information.
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if base.Message == "" && base.After != "" {
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commit, err := t.commits.Find(ctx, user, repo.Slug, base.After)
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if err == nil && commit != nil {
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base.Message = commit.Message
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if base.AuthorEmail == "" {
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base.AuthorEmail = commit.Author.Email
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}
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if base.AuthorName == "" {
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base.AuthorName = commit.Author.Name
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}
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if base.AuthorAvatar == "" {
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base.AuthorAvatar = commit.Author.Avatar
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}
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}
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}
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// // some tag hooks provide the tag but do not provide the sha.
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// // this may be important if we want to fetch the .drone.yml
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// if base.After == "" && base.Event == core.EventTag {
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// tag, _, err := t.client.Git.FindTag(ctx, repo.Slug, base.Ref)
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// if err != nil {
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// logger.Error().Err(err).
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// Msg("cannot find tag")
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// return nil, err
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// }
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// base.After = tag.Sha
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// }
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// TODO: do a better job of documenting this
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// obj := base.After
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// if len(obj) == 0 {
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// if strings.HasPrefix(base.Ref, "refs/pull/") {
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// obj = base.Target
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// } else {
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// obj = base.Ref
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// }
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// }
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req := &core.ConfigArgs{
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User: user,
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Repo: repo,
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// TODO this is duplicated
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Build: &core.Build{
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RepoID: repo.ID,
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Trigger: base.Trigger,
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Parent: base.Parent,
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Status: core.StatusPending,
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Event: base.Event,
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Action: base.Action,
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Link: base.Link,
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// Timestamp: base.Timestamp,
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Title: base.Title,
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Message: base.Message,
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Before: base.Before,
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After: base.After,
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Ref: base.Ref,
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Fork: base.Fork,
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Source: base.Source,
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Target: base.Target,
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Author: base.Author,
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AuthorName: base.AuthorName,
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AuthorEmail: base.AuthorEmail,
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AuthorAvatar: base.AuthorAvatar,
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Params: base.Params,
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Cron: base.Cron,
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Deploy: base.Deployment,
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DeployID: base.DeploymentID,
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Sender: base.Sender,
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Created: time.Now().Unix(),
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Updated: time.Now().Unix(),
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},
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}
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raw, err := t.config.Find(ctx, req)
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if err != nil {
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logger = logger.WithError(err)
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logger.Warnln("trigger: cannot find yaml")
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return nil, err
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}
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// this code is temporarily in place to detect and convert
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// the legacy yaml configuration file to the new format.
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raw.Data, err = converter.ConvertString(raw.Data, converter.Metadata{
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Filename: repo.Config,
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URL: repo.Link,
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Ref: base.Ref,
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})
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if err != nil {
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logger = logger.WithError(err)
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logger.Warnln("trigger: cannot convert yaml")
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return nil, err
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}
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manifest, err := yaml.ParseString(raw.Data)
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if err != nil {
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logger = logger.WithError(err)
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logger.Warnln("trigger: cannot parse yaml")
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return t.createBuildError(ctx, repo, base, err.Error())
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}
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err = linter.Manifest(manifest, repo.Trusted)
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if err != nil {
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logger = logger.WithError(err)
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logger.Warnln("trigger: yaml linting error")
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return t.createBuildError(ctx, repo, base, err.Error())
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}
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verified := true
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if repo.Protected && base.Trigger == core.TriggerHook {
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key := signer.KeyString(repo.Secret)
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val := []byte(raw.Data)
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verified, _ = signer.Verify(val, key)
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}
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// var paths []string
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// paths, err := listChanges(t.client, repo, base)
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// if err != nil {
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// logger.Warn().Err(err).
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// Msg("cannot fetch changeset")
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// }
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var matched []*yaml.Pipeline
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var dag = dag.New()
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for _, document := range manifest.Resources {
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pipeline, ok := document.(*yaml.Pipeline)
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if !ok {
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continue
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}
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// TODO add repo
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// TODO add instance
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// TODO add target
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// TODO add ref
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name := pipeline.Name
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if name == "" {
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name = "default"
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}
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node := dag.Add(pipeline.Name, pipeline.DependsOn...)
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node.Skip = true
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if skipBranch(pipeline, base.Target) {
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logger = logger.WithField("pipeline", pipeline.Name)
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logger.Infoln("trigger: skipping pipeline, does not match branch")
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} else if skipEvent(pipeline, base.Event) {
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logger = logger.WithField("pipeline", pipeline.Name)
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logger.Infoln("trigger: skipping pipeline, does not match event")
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} else if skipAction(pipeline, base.Action) {
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logger = logger.WithField("pipeline", pipeline.Name).WithField("action", base.Action)
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logger.Infoln("trigger: skipping pipeline, does not match action")
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} else if skipRef(pipeline, base.Ref) {
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logger = logger.WithField("pipeline", pipeline.Name)
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logger.Infoln("trigger: skipping pipeline, does not match ref")
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} else if skipRepo(pipeline, repo.Slug) {
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logger = logger.WithField("pipeline", pipeline.Name)
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logger.Infoln("trigger: skipping pipeline, does not match repo")
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} else if skipTarget(pipeline, base.Deployment) {
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logger = logger.WithField("pipeline", pipeline.Name)
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logger.Infoln("trigger: skipping pipeline, does not match deploy target")
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} else if skipCron(pipeline, base.Cron) {
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logger = logger.WithField("pipeline", pipeline.Name)
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logger.Infoln("trigger: skipping pipeline, does not match cron job")
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} else {
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matched = append(matched, pipeline)
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node.Skip = false
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}
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}
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if dag.DetectCycles() {
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return t.createBuildError(ctx, repo, base, "Error: Dependency cycle detected in Pipeline")
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}
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if len(matched) == 0 {
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logger.Infoln("trigger: skipping build, no matching pipelines")
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return nil, nil
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}
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repo, err = t.repos.Increment(ctx, repo)
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if err != nil {
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logger = logger.WithError(err)
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logger.Errorln("trigger: cannot increment build sequence")
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return nil, err
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}
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build := &core.Build{
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RepoID: repo.ID,
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Trigger: base.Trigger,
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Number: repo.Counter,
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Parent: base.Parent,
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Status: core.StatusPending,
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Event: base.Event,
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Action: base.Action,
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Link: base.Link,
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// Timestamp: base.Timestamp,
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Title: trunc(base.Title, 2000),
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Message: trunc(base.Message, 2000),
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Before: base.Before,
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After: base.After,
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Ref: base.Ref,
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Fork: base.Fork,
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Source: base.Source,
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Target: base.Target,
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Author: base.Author,
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AuthorName: base.AuthorName,
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AuthorEmail: base.AuthorEmail,
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AuthorAvatar: base.AuthorAvatar,
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Params: base.Params,
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Deploy: base.Deployment,
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DeployID: base.DeploymentID,
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Sender: base.Sender,
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Created: time.Now().Unix(),
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Updated: time.Now().Unix(),
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}
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stages := make([]*core.Stage, len(matched))
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for i, match := range matched {
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onSuccess := match.Trigger.Status.Match(core.StatusPassing)
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onFailure := match.Trigger.Status.Match(core.StatusFailing)
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if len(match.Trigger.Status.Include)+len(match.Trigger.Status.Exclude) == 0 {
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onFailure = false
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}
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stage := &core.Stage{
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RepoID: repo.ID,
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Number: i + 1,
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Name: match.Name,
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Kind: match.Kind,
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Type: match.Type,
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OS: match.Platform.OS,
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Arch: match.Platform.Arch,
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Variant: match.Platform.Variant,
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Kernel: match.Platform.Version,
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Limit: match.Concurrency.Limit,
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Status: core.StatusWaiting,
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DependsOn: match.DependsOn,
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OnSuccess: onSuccess,
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OnFailure: onFailure,
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Labels: match.Node,
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Created: time.Now().Unix(),
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Updated: time.Now().Unix(),
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}
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if stage.Kind == "pipeline" && stage.Type == "" {
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stage.Type = "docker"
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}
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if stage.OS == "" {
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stage.OS = "linux"
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}
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if stage.Arch == "" {
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stage.Arch = "amd64"
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}
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if stage.Name == "" {
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stage.Name = "default"
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}
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if verified == false {
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stage.Status = core.StatusBlocked
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} else if len(stage.DependsOn) == 0 {
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stage.Status = core.StatusPending
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}
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stages[i] = stage
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}
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for _, stage := range stages {
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// here we re-work the dependencies for the stage to
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// account for the fact that some steps may be skipped
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// and may otherwise break the dependnecy chain.
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stage.DependsOn = dag.Dependencies(stage.Name)
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// if the stage is pending dependencies, but those
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// dependencies are skipped, the stage can be executed
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// immediately.
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if stage.Status == core.StatusWaiting &&
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len(stage.DependsOn) == 0 {
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stage.Status = core.StatusPending
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}
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}
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err = t.builds.Create(ctx, build, stages)
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if err != nil {
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logger = logger.WithError(err)
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logger.Errorln("trigger: cannot create build")
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return nil, err
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}
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err = t.status.Send(ctx, user, &core.StatusInput{
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Repo: repo,
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Build: build,
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})
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if err != nil {
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logger = logger.WithError(err)
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logger.Warnln("trigger: cannot create status")
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}
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for _, stage := range stages {
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if stage.Status != core.StatusPending {
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continue
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}
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err = t.sched.Schedule(ctx, stage)
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if err != nil {
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logger = logger.WithError(err)
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logger.Errorln("trigger: cannot enqueue build")
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return nil, err
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}
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}
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payload := &core.WebhookData{
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Event: core.WebhookEventBuild,
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Action: core.WebhookActionCreated,
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User: user,
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Repo: repo,
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Build: build,
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}
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err = t.hooks.Send(ctx, payload)
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if err != nil {
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logger = logger.WithError(err)
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logger.Warnln("trigger: cannot send webhook")
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}
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// err = t.hooks.SendEndpoint(ctx, payload, repo.Endpoints.Webhook)
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// if err != nil {
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// logger.Warn().Err(err).
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// Int64("build", build.Number).
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// Msg("cannot send user-defined webhook")
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// }
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// // we should only synchronize the cronjob list on push
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// // events to the default branch.
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// if build.Event == core.EventPush &&
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// build.Target == repo.Branch {
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// err = t.cron.Sync(ctx, repo, manifest)
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// if err != nil {
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// logger.Warn().Err(err).
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// Msg("cannot sync cronjobs")
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// }
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// }
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return build, nil
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}
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func trunc(s string, i int) string {
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runes := []rune(s)
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if len(runes) > i {
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return string(runes[:i])
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}
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return s
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}
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func (t *triggerer) createBuildError(ctx context.Context, repo *core.Repository, base *core.Hook, message string) (*core.Build, error) {
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repo, err := t.repos.Increment(ctx, repo)
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if err != nil {
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return nil, err
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}
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build := &core.Build{
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RepoID: repo.ID,
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Number: repo.Counter,
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Parent: base.Parent,
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Status: core.StatusError,
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Error: message,
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Event: base.Event,
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Action: base.Action,
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Link: base.Link,
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// Timestamp: base.Timestamp,
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Title: base.Title,
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Message: base.Message,
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Before: base.Before,
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After: base.After,
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Ref: base.Ref,
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Fork: base.Fork,
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Source: base.Source,
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Target: base.Target,
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Author: base.Author,
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AuthorName: base.AuthorName,
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AuthorEmail: base.AuthorEmail,
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AuthorAvatar: base.AuthorAvatar,
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Deploy: base.Deployment,
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DeployID: base.DeploymentID,
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Sender: base.Sender,
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Created: time.Now().Unix(),
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Updated: time.Now().Unix(),
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Finished: time.Now().Unix(),
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}
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err = t.builds.Create(ctx, build, nil)
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return build, err
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}
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// func shouldBlock(repo *core.Repository, build *core.Build) bool {
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// switch {
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// case repo.Hooks.Promote == core.HookBlock && build.Event == core.EventPromote:
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// return true
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// case repo.Hooks.Rollback == core.HookBlock && build.Event == core.EventRollback:
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// return true
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// case repo.Hooks.Deploy == core.HookBlock && build.Event == core.EventRollback:
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// return true
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// case repo.Hooks.Pull == core.HookBlock && build.Event == core.EventPullRequest:
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// return true
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// case repo.Hooks.Push == core.HookBlock && build.Event == core.EventPush:
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// return true
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// case repo.Hooks.Tags == core.HookBlock && build.Event == core.EventTag:
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// return true
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// case repo.Hooks.Forks == core.HookBlock && build.Fork != repo.Slug:
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// return true
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// default:
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// return false
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// }
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// }
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// func skipHook(repo *core.Repository, build *core.Hook) bool {
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// switch {
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// case repo.Hooks.Promote == core.HookDisable && build.Event == core.EventPromote:
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// return true
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// case repo.Hooks.Rollback == core.HookDisable && build.Event == core.EventRollback:
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// return true
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// case repo.Hooks.Pull == core.HookDisable && build.Event == core.EventPullRequest:
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// return true
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// case repo.Hooks.Push == core.HookDisable && build.Event == core.EventPush:
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// return true
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// case repo.Hooks.Tags == core.HookDisable && build.Event == core.EventTag:
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// return true
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// default:
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// return false
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// }
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// }
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// func skipFork(repo *core.Repository, build *core.Hook) bool {
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// return repo.Hooks.Forks == core.HookDisable && build.Fork != repo.Slug
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// }
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