mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-05-31 22:58:35 +00:00
315 lines
7.7 KiB
Go
315 lines
7.7 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"io"
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"io/ioutil"
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"log"
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"math"
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"net/url"
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"os"
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"strconv"
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"sync"
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"time"
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"github.com/woodpecker-ci/woodpecker/cncd/pipeline/pipeline"
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"github.com/woodpecker-ci/woodpecker/cncd/pipeline/pipeline/backend"
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"github.com/woodpecker-ci/woodpecker/cncd/pipeline/pipeline/backend/docker"
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"github.com/woodpecker-ci/woodpecker/cncd/pipeline/pipeline/interrupt"
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"github.com/woodpecker-ci/woodpecker/cncd/pipeline/pipeline/multipart"
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"github.com/woodpecker-ci/woodpecker/cncd/pipeline/pipeline/rpc"
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_ "github.com/joho/godotenv/autoload"
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"github.com/tevino/abool"
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"github.com/urfave/cli"
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)
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const (
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maxFileUpload = 5000000
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maxLogsUpload = 5000000
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)
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func main() {
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app := cli.NewApp()
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app.Name = "piped"
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app.Usage = "piped stars a pipeline execution daemon"
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app.Action = start
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app.Flags = []cli.Flag{
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cli.StringFlag{
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Name: "endpoint",
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EnvVar: "PIPED_ENDPOINT,PIPED_SERVER",
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Value: "ws://localhost:9999",
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},
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cli.StringFlag{
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Name: "token",
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EnvVar: "PIPED_TOKEN,PIPED_SECRET",
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},
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cli.DurationFlag{
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Name: "backoff",
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EnvVar: "PIPED_BACKOFF",
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Value: time.Second * 15,
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},
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cli.IntFlag{
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Name: "retry-limit",
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EnvVar: "PIPED_RETRY_LIMIT",
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Value: math.MaxInt32,
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},
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cli.StringFlag{
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Name: "platform",
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EnvVar: "PIPED_PLATFORM",
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Value: "linux/amd64",
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},
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cli.Int64Flag{
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Name: "upload-limit",
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EnvVar: "PIPED_UPLOAD_LIMIT",
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Value: math.MaxInt32,
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},
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}
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app.Commands = []cli.Command{
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onceCommand,
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}
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if err := app.Run(os.Args); err != nil {
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log.Fatalln(err)
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}
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}
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func start(c *cli.Context) error {
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endpoint, err := url.Parse(
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c.String("endpoint"),
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)
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if err != nil {
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return err
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}
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filter := rpc.Filter{
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Labels: map[string]string{
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"platform": c.String("platform"),
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},
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}
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client, err := rpc.NewClient(
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endpoint.String(),
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rpc.WithRetryLimit(
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c.Int("retry-limit"),
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),
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rpc.WithBackoff(
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c.Duration("backoff"),
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),
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rpc.WithToken(
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c.String("token"),
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),
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)
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if err != nil {
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return err
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}
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defer client.Close()
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sigterm := abool.New()
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ctx := context.Background()
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ctx = interrupt.WithContextFunc(ctx, func() {
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println("ctrl+c received, terminating process")
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sigterm.Set()
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})
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for {
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if sigterm.IsSet() {
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return nil
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}
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if err := run(ctx, client, filter); err != nil {
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return err
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}
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}
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}
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func run(ctx context.Context, client rpc.Peer, filter rpc.Filter) error {
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log.Println("pipeline: request next execution")
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// get the next job from the queue
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work, err := client.Next(ctx, filter)
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if err != nil {
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return err
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}
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if work == nil {
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return nil
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}
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log.Printf("pipeline: received next execution: %s", work.ID)
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if os.Getenv("SUICIDE_MODE") != "" {
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os.Exit(1)
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}
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// new docker engine
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engine, err := docker.NewEnv()
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if err != nil {
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return err
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}
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timeout := time.Hour
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if minutes := work.Timeout; minutes != 0 {
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timeout = time.Duration(minutes) * time.Minute
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}
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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cancelled := abool.New()
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go func() {
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werr := client.Wait(ctx, work.ID)
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if werr != nil {
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cancelled.SetTo(true) // TODO verify error is really an error
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log.Printf("pipeline: cancel signal received: %s: %s", work.ID, werr)
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cancel()
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} else {
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log.Printf("pipeline: cancel channel closed: %s", work.ID)
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}
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}()
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go func() {
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for {
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select {
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case <-ctx.Done():
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log.Printf("pipeline: cancel ping loop: %s", work.ID)
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return
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case <-time.After(time.Minute):
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log.Printf("pipeline: ping queue: %s", work.ID)
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client.Extend(ctx, work.ID)
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}
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}
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}()
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state := rpc.State{}
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state.Started = time.Now().Unix()
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err = client.Init(context.Background(), work.ID, state)
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if err != nil {
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log.Printf("pipeline: error signaling pipeline init: %s: %s", work.ID, err)
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}
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var uploads sync.WaitGroup
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defaultLogger := pipeline.LogFunc(func(proc *backend.Step, rc multipart.Reader) error {
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part, rerr := rc.NextPart()
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if rerr != nil {
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return rerr
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}
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uploads.Add(1)
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var secrets []string
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for _, secret := range work.Config.Secrets {
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if secret.Mask {
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secrets = append(secrets, secret.Value)
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}
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}
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limitedPart := io.LimitReader(part, maxLogsUpload)
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logstream := rpc.NewLineWriter(client, work.ID, proc.Alias, secrets...)
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io.Copy(logstream, limitedPart)
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file := &rpc.File{}
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file.Mime = "application/json+logs"
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file.Proc = proc.Alias
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file.Name = "logs.json"
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file.Data, _ = json.Marshal(logstream.Lines())
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file.Size = len(file.Data)
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file.Time = time.Now().Unix()
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if serr := client.Upload(context.Background(), work.ID, file); serr != nil {
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log.Printf("pipeline: cannot upload logs: %s: %s: %s", work.ID, file.Mime, serr)
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} else {
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log.Printf("pipeline: finish uploading logs: %s: step %s: %s", file.Mime, work.ID, proc.Alias)
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}
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defer func() {
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log.Printf("pipeline: finish uploading logs: %s: step %s", work.ID, proc.Alias)
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uploads.Done()
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}()
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part, rerr = rc.NextPart()
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if rerr != nil {
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return nil
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}
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// TODO should be configurable
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limitedPart = io.LimitReader(part, maxFileUpload)
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file = &rpc.File{}
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file.Mime = part.Header().Get("Content-Type")
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file.Proc = proc.Alias
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file.Name = part.FileName()
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file.Data, _ = ioutil.ReadAll(limitedPart)
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file.Size = len(file.Data)
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file.Time = time.Now().Unix()
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if serr := client.Upload(context.Background(), work.ID, file); serr != nil {
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log.Printf("pipeline: cannot upload artifact: %s: %s: %s", work.ID, file.Mime, serr)
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} else {
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log.Printf("pipeline: finish uploading artifact: %s: step %s: %s", file.Mime, work.ID, proc.Alias)
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}
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return nil
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})
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defaultTracer := pipeline.TraceFunc(func(state *pipeline.State) error {
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procState := rpc.State{
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Proc: state.Pipeline.Step.Alias,
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Exited: state.Process.Exited,
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ExitCode: state.Process.ExitCode,
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Started: time.Now().Unix(), // TODO do not do this
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Finished: time.Now().Unix(),
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}
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defer func() {
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if uerr := client.Update(context.Background(), work.ID, procState); uerr != nil {
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log.Printf("Pipeine: error updating pipeline step status: %s: %s: %s", work.ID, procState.Proc, uerr)
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}
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}()
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if state.Process.Exited {
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return nil
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}
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if state.Pipeline.Step.Environment == nil {
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state.Pipeline.Step.Environment = map[string]string{}
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}
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state.Pipeline.Step.Environment["CI_BUILD_STATUS"] = "success"
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state.Pipeline.Step.Environment["CI_BUILD_STARTED"] = strconv.FormatInt(state.Pipeline.Time, 10)
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state.Pipeline.Step.Environment["CI_BUILD_FINISHED"] = strconv.FormatInt(time.Now().Unix(), 10)
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state.Pipeline.Step.Environment["CI_JOB_STATUS"] = "success"
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state.Pipeline.Step.Environment["CI_JOB_STARTED"] = strconv.FormatInt(state.Pipeline.Time, 10)
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state.Pipeline.Step.Environment["CI_JOB_FINISHED"] = strconv.FormatInt(time.Now().Unix(), 10)
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if state.Pipeline.Error != nil {
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state.Pipeline.Step.Environment["CI_BUILD_STATUS"] = "failure"
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state.Pipeline.Step.Environment["CI_JOB_STATUS"] = "failure"
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}
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return nil
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})
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err = pipeline.New(work.Config,
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pipeline.WithContext(ctx),
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pipeline.WithLogger(defaultLogger),
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pipeline.WithTracer(defaultTracer),
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pipeline.WithEngine(engine),
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).Run()
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state.Finished = time.Now().Unix()
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state.Exited = true
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if err != nil {
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state.Error = err.Error()
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if xerr, ok := err.(*pipeline.ExitError); ok {
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state.ExitCode = xerr.Code
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}
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if xerr, ok := err.(*pipeline.OomError); ok {
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state.ExitCode = xerr.Code
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}
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if cancelled.IsSet() {
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state.ExitCode = 130
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} else if state.ExitCode == 0 {
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state.ExitCode = 1
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}
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}
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log.Printf("pipeline: execution complete: %s", work.ID)
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uploads.Wait()
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err = client.Done(context.Background(), work.ID, state)
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if err != nil {
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log.Printf("Pipeine: error signaling pipeline done: %s: %s", work.ID, err)
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}
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return nil
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}
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