mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-06-02 21:49:25 +00:00
321 lines
8.2 KiB
Go
321 lines
8.2 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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"os"
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"strconv"
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"sync"
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"time"
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"google.golang.org/grpc"
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"google.golang.org/grpc/metadata"
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"github.com/cncd/pipeline/pipeline"
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"github.com/cncd/pipeline/pipeline/backend"
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"github.com/cncd/pipeline/pipeline/backend/docker"
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"github.com/cncd/pipeline/pipeline/interrupt"
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"github.com/cncd/pipeline/pipeline/multipart"
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"github.com/cncd/pipeline/pipeline/rpc"
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"github.com/tevino/abool"
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"github.com/urfave/cli"
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oldcontext "golang.org/x/net/context"
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)
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func loop(c *cli.Context) error {
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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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hostname := c.String("hostname")
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if len(hostname) == 0 {
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hostname, _ = os.Hostname()
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}
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// TODO pass version information to grpc server
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// TODO authenticate to grpc server
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// grpc.Dial(target, ))
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conn, err := grpc.Dial(
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c.String("server"),
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grpc.WithInsecure(),
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grpc.WithPerRPCCredentials(&credentials{
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username: c.String("username"),
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password: c.String("password"),
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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 conn.Close()
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client := rpc.NewGrpcClient(conn)
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sigterm := abool.New()
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ctx := metadata.NewOutgoingContext(
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context.Background(),
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metadata.Pairs("hostname", hostname),
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)
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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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var wg sync.WaitGroup
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parallel := c.Int("max-procs")
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wg.Add(parallel)
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for i := 0; i < parallel; i++ {
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go func() {
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defer wg.Done()
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for {
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if sigterm.IsSet() {
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return
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}
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if err := run(ctx, client, filter); err != nil {
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log.Printf("build runner encountered error: exiting: %s", err)
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return
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}
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}
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}()
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}
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wg.Wait()
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return nil
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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 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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meta, _ := metadata.FromOutgoingContext(ctx)
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ctxmeta := metadata.NewOutgoingContext(context.Background(), meta)
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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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// 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(ctxmeta, timeout)
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defer cancel()
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cancelled := abool.New()
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go func() {
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if werr := client.Wait(ctx, work.ID); werr != nil {
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cancelled.SetTo(true)
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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(ctxmeta, 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(ctxmeta, 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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file.Meta = map[string]string{}
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for key, value := range part.Header() {
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file.Meta[key] = value[0]
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}
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if serr := client.Upload(ctxmeta, 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(ctxmeta, 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["DRONE_BUILD_STATUS"] = "success"
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state.Pipeline.Step.Environment["DRONE_BUILD_STARTED"] = strconv.FormatInt(state.Pipeline.Time, 10)
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state.Pipeline.Step.Environment["DRONE_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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state.Pipeline.Step.Environment["DRONE_JOB_STATUS"] = "success"
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state.Pipeline.Step.Environment["DRONE_JOB_STARTED"] = strconv.FormatInt(state.Pipeline.Time, 10)
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state.Pipeline.Step.Environment["DRONE_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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state.Pipeline.Step.Environment["DRONE_BUILD_STATUS"] = "failure"
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state.Pipeline.Step.Environment["DRONE_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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switch xerr := err.(type) {
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case *pipeline.ExitError:
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state.ExitCode = xerr.Code
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default:
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state.ExitCode = 1
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state.Error = err.Error()
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}
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if cancelled.IsSet() {
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state.ExitCode = 137
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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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log.Printf("pipeline: logging complete: %s", work.ID)
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err = client.Done(ctxmeta, 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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} else {
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log.Printf("pipeline: done: %s", work.ID)
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}
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return nil
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}
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type credentials struct {
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username string
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password string
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}
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func (c *credentials) GetRequestMetadata(oldcontext.Context, ...string) (map[string]string, error) {
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return map[string]string{
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"username": c.username,
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"password": c.password,
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}, nil
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}
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func (c *credentials) RequireTransportSecurity() bool {
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return false
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}
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