mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-06 08:16:19 +02:00
284 lines
7.2 KiB
Go
284 lines
7.2 KiB
Go
package agent
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import (
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"encoding/json"
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"fmt"
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"io"
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"regexp"
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"strings"
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"time"
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"github.com/Sirupsen/logrus"
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"github.com/dchest/uniuri"
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"github.com/drone/drone/client"
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"github.com/drone/drone/engine/compiler"
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"github.com/drone/drone/engine/compiler/builtin"
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"github.com/drone/drone/engine/runner"
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"github.com/drone/drone/engine/runner/docker"
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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/yaml/expander"
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"github.com/samalba/dockerclient"
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"golang.org/x/net/context"
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)
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type config struct {
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platform string
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namespace string
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whitelist []string
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privileged []string
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netrc []string
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pull bool
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}
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type pipeline struct {
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drone client.Client
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docker dockerclient.Client
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config config
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}
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func (r *pipeline) run() error {
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w, err := r.drone.Pull("linux", "amd64")
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if err != nil {
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return err
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}
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logrus.Infof("Starting build %s/%s#%d.%d",
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w.Repo.Owner, w.Repo.Name, w.Build.Number, w.Job.Number)
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w.Job.Status = model.StatusRunning
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w.Job.Started = time.Now().Unix()
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prefix := fmt.Sprintf("drone_%s", uniuri.New())
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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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var lastStatus string
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if w.BuildLast != nil {
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lastStatus = w.BuildLast.Status
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}
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trans := []compiler.Transform{
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builtin.NewCloneOp("git", true),
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builtin.NewCacheOp(
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"plugins/cache:latest",
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"/var/lib/drone/cache/"+w.Repo.FullName,
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false,
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),
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builtin.NewSecretOp(w.Build.Event, secrets),
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builtin.NewNormalizeOp(r.config.namespace),
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builtin.NewWorkspaceOp("/drone", "/drone/src/github.com/"+w.Repo.FullName),
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builtin.NewValidateOp(
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w.Repo.IsTrusted,
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r.config.whitelist,
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),
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builtin.NewEnvOp(envs),
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builtin.NewShellOp(builtin.Linux_adm64),
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builtin.NewArgsOp(),
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builtin.NewEscalateOp(r.config.privileged),
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builtin.NewPodOp(prefix),
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builtin.NewAliasOp(prefix),
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builtin.NewPullOp(r.config.pull),
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builtin.NewFilterOp(
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lastStatus,
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w.Build.Branch,
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w.Build.Event,
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w.Build.Deploy,
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w.Job.Environment,
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),
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}
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compile := compiler.New()
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compile.Transforms(trans)
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spec, err := compile.CompileString(w.Yaml)
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if err != nil {
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w.Job.Error = err.Error()
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w.Job.ExitCode = 255
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w.Job.Finished = w.Job.Started
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w.Job.Status = model.StatusError
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pushRetry(r.drone, w)
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return nil
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}
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pushRetry(r.drone, w)
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conf := runner.Config{
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Engine: docker.New(r.docker),
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}
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c := context.TODO()
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c, timout := context.WithTimeout(c, time.Minute*time.Duration(w.Repo.Timeout))
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c, cancel := context.WithCancel(c)
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defer cancel()
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defer timout()
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run := conf.Runner(c, spec)
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run.Run()
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wait := r.drone.Wait(w.Job.ID)
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defer wait.Cancel()
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go func() {
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if _, err := wait.Done(); err == nil {
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logrus.Infof("Cancel build %s/%s#%d.%d",
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w.Repo.Owner, w.Repo.Name, w.Build.Number, w.Job.Number)
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cancel()
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}
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}()
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rc, wc := io.Pipe()
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go func() {
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// TODO(bradrydzewski) figure out how to resume upload on failure
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err := r.drone.Stream(w.Job.ID, rc)
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if err != nil && err != io.ErrClosedPipe {
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logrus.Errorf("Error streaming build logs. %s", err)
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}
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}()
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pipe := run.Pipe()
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for {
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line := pipe.Next()
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if line == nil {
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break
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}
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linejson, _ := json.Marshal(line)
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wc.Write(linejson)
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wc.Write([]byte{'\n'})
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}
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err = run.Wait()
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pipe.Close()
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wc.Close()
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rc.Close()
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// catch the build result
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if err != nil {
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w.Job.ExitCode = 255
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}
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if exitErr, ok := err.(*runner.ExitError); ok {
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w.Job.ExitCode = exitErr.Code
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}
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w.Job.Finished = time.Now().Unix()
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switch w.Job.ExitCode {
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case 128, 130, 137:
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w.Job.Status = model.StatusKilled
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case 0:
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w.Job.Status = model.StatusSuccess
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default:
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w.Job.Status = model.StatusFailure
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}
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pushRetry(r.drone, w)
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logrus.Infof("Finished build %s/%s#%d.%d",
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w.Repo.Owner, w.Repo.Name, w.Build.Number, w.Job.Number)
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return nil
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}
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func pushRetry(client client.Client, w *queue.Work) {
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for {
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err := client.Push(w)
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if err == nil {
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return
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}
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logrus.Errorf("Error updating %s/%s#%d.%d. Retry in 30s. %s",
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w.Repo.Owner, w.Repo.Name, w.Build.Number, w.Job.Number, err)
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logrus.Infof("Retry update in 30s")
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time.Sleep(time.Second * 30)
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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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}
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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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