mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-06-26 17:20:51 +00:00
293 lines
7.8 KiB
Go
293 lines
7.8 KiB
Go
package agent
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import (
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"fmt"
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"net"
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"net/url"
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"path/filepath"
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"regexp"
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"strings"
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"time"
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"github.com/drone/drone/build"
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"github.com/drone/drone/model"
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"github.com/drone/drone/queue"
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"github.com/drone/drone/version"
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"github.com/drone/drone/yaml"
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"github.com/drone/drone/yaml/expander"
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"github.com/drone/drone/yaml/transform"
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)
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type Logger interface {
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Write(*build.Line)
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}
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type Agent struct {
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Update UpdateFunc
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Logger LoggerFunc
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Engine build.Engine
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Timeout time.Duration
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Platform string
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Namespace string
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Disable []string
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Escalate []string
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Netrc []string
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Local string
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Pull bool
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}
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func (a *Agent) Poll() error {
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// logrus.Infof("Starting build %s/%s#%d.%d",
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// payload.Repo.Owner, payload.Repo.Name, payload.Build.Number, payload.Job.Number)
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//
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//
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// logrus.Infof("Finished build %s/%s#%d.%d",
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// payload.Repo.Owner, payload.Repo.Name, payload.Build.Number, payload.Job.Number)
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return nil
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}
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func (a *Agent) Run(payload *queue.Work, cancel <-chan bool) error {
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payload.Job.Status = model.StatusRunning
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payload.Job.Started = time.Now().Unix()
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spec, err := a.prep(payload)
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if err != nil {
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payload.Job.Error = err.Error()
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payload.Job.ExitCode = 255
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payload.Job.Finished = payload.Job.Started
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payload.Job.Status = model.StatusError
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a.Update(payload)
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return err
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}
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a.Update(payload)
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err = a.exec(spec, payload, cancel)
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if err != nil {
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payload.Job.ExitCode = 255
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payload.Job.Error = err.Error()
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}
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if exitErr, ok := err.(*build.ExitError); ok {
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payload.Job.ExitCode = exitErr.Code
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payload.Job.Error = "" // exit errors are already written to the log
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}
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payload.Job.Finished = time.Now().Unix()
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switch payload.Job.ExitCode {
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case 128, 130, 137:
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payload.Job.Status = model.StatusKilled
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case 0:
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payload.Job.Status = model.StatusSuccess
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default:
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payload.Job.Status = model.StatusFailure
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}
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a.Update(payload)
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return err
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}
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func (a *Agent) prep(w *queue.Work) (*yaml.Config, error) {
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envs := toEnv(w)
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w.Yaml = expander.ExpandString(w.Yaml, envs)
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// inject the netrc file into the clone plugin if the repositroy is
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// private and requires authentication.
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var secrets []*model.Secret
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if w.Verified {
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secrets = append(secrets, w.Secrets...)
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}
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if w.Repo.IsPrivate {
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secrets = append(secrets, &model.Secret{
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Name: "DRONE_NETRC_USERNAME",
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Value: w.Netrc.Login,
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Images: []string{"*"},
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Events: []string{"*"},
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})
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secrets = append(secrets, &model.Secret{
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Name: "DRONE_NETRC_PASSWORD",
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Value: w.Netrc.Password,
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Images: []string{"*"},
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Events: []string{"*"},
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})
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secrets = append(secrets, &model.Secret{
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Name: "DRONE_NETRC_MACHINE",
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Value: w.Netrc.Machine,
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Images: []string{"*"},
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Events: []string{"*"},
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})
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}
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conf, err := yaml.ParseString(w.Yaml)
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if err != nil {
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return nil, err
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}
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src := "src"
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if url, _ := url.Parse(w.Repo.Link); url != nil {
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host, _, err := net.SplitHostPort(url.Host)
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if err == nil {
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url.Host = host
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}
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src = filepath.Join(src, url.Host, url.Path)
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}
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transform.Clone(conf, w.Repo.Kind)
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transform.Environ(conf, envs)
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transform.DefaultFilter(conf)
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if w.BuildLast != nil {
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transform.ChangeFilter(conf, w.BuildLast.Status)
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}
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transform.ImageSecrets(conf, secrets, w.Build.Event)
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transform.Identifier(conf)
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transform.WorkspaceTransform(conf, "/drone", src)
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if err := transform.Check(conf, w.Repo.IsTrusted); err != nil {
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return nil, err
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}
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transform.CommandTransform(conf)
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transform.ImagePull(conf, a.Pull)
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transform.ImageTag(conf)
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transform.ImageName(conf)
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transform.ImageNamespace(conf, a.Namespace)
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transform.ImageEscalate(conf, a.Escalate)
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transform.PluginParams(conf)
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if a.Local != "" {
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transform.PluginDisable(conf, a.Disable)
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transform.ImageVolume(conf, []string{a.Local + ":" + conf.Workspace.Path})
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}
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transform.Pod(conf)
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return conf, nil
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}
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func (a *Agent) exec(spec *yaml.Config, payload *queue.Work, cancel <-chan bool) error {
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conf := build.Config{
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Engine: a.Engine,
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Buffer: 500,
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}
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pipeline := conf.Pipeline(spec)
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defer pipeline.Teardown()
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// setup the build environment
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if err := pipeline.Setup(); err != nil {
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return err
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}
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timeout := time.After(time.Duration(payload.Repo.Timeout) * time.Minute)
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for {
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select {
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case <-pipeline.Done():
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return pipeline.Err()
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case <-cancel:
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pipeline.Stop()
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return fmt.Errorf("termination request received, build cancelled")
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case <-timeout:
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pipeline.Stop()
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return fmt.Errorf("maximum time limit exceeded, build cancelled")
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case <-time.After(a.Timeout):
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pipeline.Stop()
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return fmt.Errorf("terminal inactive for %v, build cancelled", a.Timeout)
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case <-pipeline.Next():
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// TODO(bradrydzewski) this entire block of code should probably get
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// encapsulated in the pipeline.
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status := model.StatusSuccess
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if pipeline.Err() != nil {
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status = model.StatusFailure
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}
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// updates the build status passed into each container. I realize this is
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// a bit out of place and will work to resolve.
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pipeline.Head().Environment["DRONE_BUILD_STATUS"] = status
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if !pipeline.Head().Constraints.Match(
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a.Platform,
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payload.Build.Deploy,
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payload.Build.Event,
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payload.Build.Branch,
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status, payload.Job.Environment) { // TODO: fix this whole section
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pipeline.Skip()
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} else {
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pipeline.Exec()
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}
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case line := <-pipeline.Pipe():
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a.Logger(line)
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}
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}
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}
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func toEnv(w *queue.Work) map[string]string {
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envs := map[string]string{
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"CI": "drone",
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"DRONE": "true",
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"DRONE_ARCH": "linux/amd64",
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"DRONE_REPO": w.Repo.FullName,
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"DRONE_REPO_SCM": w.Repo.Kind,
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"DRONE_REPO_OWNER": w.Repo.Owner,
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"DRONE_REPO_NAME": w.Repo.Name,
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"DRONE_REPO_LINK": w.Repo.Link,
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"DRONE_REPO_AVATAR": w.Repo.Avatar,
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"DRONE_REPO_BRANCH": w.Repo.Branch,
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"DRONE_REPO_PRIVATE": fmt.Sprintf("%v", w.Repo.IsPrivate),
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"DRONE_REPO_TRUSTED": fmt.Sprintf("%v", w.Repo.IsTrusted),
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"DRONE_REMOTE_URL": w.Repo.Clone,
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"DRONE_COMMIT_SHA": w.Build.Commit,
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"DRONE_COMMIT_REF": w.Build.Ref,
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"DRONE_COMMIT_BRANCH": w.Build.Branch,
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"DRONE_COMMIT_LINK": w.Build.Link,
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"DRONE_COMMIT_MESSAGE": w.Build.Message,
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"DRONE_COMMIT_AUTHOR": w.Build.Author,
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"DRONE_COMMIT_AUTHOR_EMAIL": w.Build.Email,
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"DRONE_COMMIT_AUTHOR_AVATAR": w.Build.Avatar,
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"DRONE_BUILD_NUMBER": fmt.Sprintf("%d", w.Build.Number),
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"DRONE_BUILD_EVENT": w.Build.Event,
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"DRONE_BUILD_STATUS": w.Build.Status,
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"DRONE_BUILD_LINK": fmt.Sprintf("%s/%s/%d", w.System.Link, w.Repo.FullName, w.Build.Number),
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"DRONE_BUILD_CREATED": fmt.Sprintf("%d", w.Build.Created),
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"DRONE_BUILD_STARTED": fmt.Sprintf("%d", w.Build.Started),
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"DRONE_BUILD_FINISHED": fmt.Sprintf("%d", w.Build.Finished),
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"DRONE_YAML_VERIFIED": fmt.Sprintf("%v", w.Verified),
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"DRONE_YAML_SIGNED": fmt.Sprintf("%v", w.Signed),
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"DRONE_BRANCH": w.Build.Branch,
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"DRONE_COMMIT": w.Build.Commit,
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"DRONE_VERSION": version.Version,
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}
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if w.Build.Event == model.EventTag {
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envs["DRONE_TAG"] = strings.TrimPrefix(w.Build.Ref, "refs/tags/")
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}
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if w.Build.Event == model.EventPull {
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envs["DRONE_PULL_REQUEST"] = pullRegexp.FindString(w.Build.Ref)
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}
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if w.Build.Event == model.EventDeploy {
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envs["DRONE_DEPLOY_TO"] = w.Build.Deploy
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}
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if w.BuildLast != nil {
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envs["DRONE_PREV_BUILD_STATUS"] = w.BuildLast.Status
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envs["DRONE_PREV_BUILD_NUMBER"] = fmt.Sprintf("%v", w.BuildLast.Number)
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envs["DRONE_PREV_COMMIT_SHA"] = w.BuildLast.Commit
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}
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// inject matrix values as environment variables
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for key, val := range w.Job.Environment {
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envs[key] = val
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}
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return envs
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}
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var pullRegexp = regexp.MustCompile("\\d+")
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