mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-11-23 10:21:00 +00:00
346 lines
8.8 KiB
Go
346 lines
8.8 KiB
Go
// Copyright 2018 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 agent
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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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"strconv"
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"sync"
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"time"
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"github.com/rs/zerolog/log"
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"github.com/tevino/abool"
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"google.golang.org/grpc/metadata"
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"github.com/woodpecker-ci/woodpecker/pipeline"
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backend "github.com/woodpecker-ci/woodpecker/pipeline/backend/types"
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"github.com/woodpecker-ci/woodpecker/pipeline/multipart"
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"github.com/woodpecker-ci/woodpecker/pipeline/rpc"
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)
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// TODO: Implement log streaming.
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// Until now we need to limit the size of the logs and files that we upload.
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// The maximum grpc payload size is 4194304. So we need to set these limits below the maximum.
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const (
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maxLogsUpload = 2000000 // this is per step
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maxFileUpload = 1000000
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)
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type Runner struct {
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client rpc.Peer
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filter rpc.Filter
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hostname string
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counter *State
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engine *backend.Engine
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}
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func NewRunner(workEngine rpc.Peer, f rpc.Filter, h string, state *State, backend *backend.Engine) Runner {
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return Runner{
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client: workEngine,
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filter: f,
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hostname: h,
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counter: state,
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engine: backend,
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}
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}
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func (r *Runner) Run(ctx context.Context) error {
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log.Debug().Msg("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 := r.client.Next(ctx, r.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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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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r.counter.Add(
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work.ID,
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timeout,
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extractRepositoryName(work.Config), // hack
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extractBuildNumber(work.Config), // hack
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)
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defer r.counter.Done(work.ID)
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logger := log.With().
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Str("repo", extractRepositoryName(work.Config)). // hack
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Str("build", extractBuildNumber(work.Config)). // hack
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Str("id", work.ID).
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Logger()
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logger.Debug().Msg("received execution")
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ctx, cancel := context.WithTimeout(ctxmeta, timeout)
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defer cancel()
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canceled := abool.New()
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go func() {
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logger.Debug().Msg("listen for cancel signal")
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if werr := r.client.Wait(ctx, work.ID); werr != nil {
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canceled.SetTo(true)
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logger.Warn().Err(werr).Msg("cancel signal received")
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cancel()
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} else {
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logger.Debug().Msg("stop listening for cancel signal")
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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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logger.Debug().Msg("pipeline done")
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return
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case <-time.After(time.Minute):
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logger.Debug().Msg("pipeline lease renewed")
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if err := r.client.Extend(ctx, work.ID); err != nil {
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log.Error().Err(err).Msg("extending pipeline deadline failed")
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}
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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 = r.client.Init(ctxmeta, work.ID, state)
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if err != nil {
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logger.Error().Err(err).Msg("pipeline initialization failed")
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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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loglogger := logger.With().
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Str("image", proc.Image).
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Str("stage", proc.Alias).
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Logger()
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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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loglogger.Debug().Msg("log stream opened")
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limitedPart := io.LimitReader(part, maxLogsUpload)
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logStream := rpc.NewLineWriter(r.client, work.ID, proc.Alias, secrets...)
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if _, err := io.Copy(logStream, limitedPart); err != nil {
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log.Error().Err(err).Msg("copy limited logStream part")
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}
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loglogger.Debug().Msg("log stream copied")
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data, err := json.Marshal(logStream.Lines())
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if err != nil {
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loglogger.Err(err).Msg("could not marshal logstream")
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}
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file := &rpc.File{
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Mime: "application/json+logs",
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Proc: proc.Alias,
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Name: "logs.json",
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Data: data,
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Size: len(data),
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Time: time.Now().Unix(),
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}
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loglogger.Debug().Msg("log stream uploading")
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if serr := r.client.Upload(ctxmeta, work.ID, file); serr != nil {
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loglogger.Error().Err(serr).Msg("log stream upload error")
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} else {
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loglogger.Debug().Msg("log stream upload complete")
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}
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defer func() {
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loglogger.Debug().Msg("log stream closed")
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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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data, err = ioutil.ReadAll(limitedPart)
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if err != nil {
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loglogger.Err(err).Msg("could not read limited part")
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}
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file = &rpc.File{
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Mime: part.Header().Get("Content-Type"),
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Proc: proc.Alias,
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Name: part.FileName(),
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Data: data,
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Size: len(data),
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Time: time.Now().Unix(),
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Meta: make(map[string]string),
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}
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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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loglogger.Debug().
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Str("file", file.Name).
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Str("mime", file.Mime).
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Msg("file stream uploading")
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if serr := r.client.Upload(ctxmeta, work.ID, file); serr != nil {
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loglogger.Error().
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Err(serr).
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Str("file", file.Name).
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Str("mime", file.Mime).
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Msg("file stream upload error")
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}
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loglogger.Debug().
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Str("file", file.Name).
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Str("mime", file.Mime).
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Msg("file stream upload complete")
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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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proclogger := logger.With().
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Str("image", state.Pipeline.Step.Image).
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Str("stage", state.Pipeline.Step.Alias).
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Int("exit_code", state.Process.ExitCode).
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Bool("exited", state.Process.Exited).
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Logger()
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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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proclogger.Debug().Msg("update step status")
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if uerr := r.client.Update(ctxmeta, work.ID, procState); uerr != nil {
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proclogger.Debug().
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Err(uerr).
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Msg("update step status error")
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}
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proclogger.Debug().Msg("update step status complete")
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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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// TODO: find better way to update this state
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state.Pipeline.Step.Environment["CI_MACHINE"] = r.hostname
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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(*r.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 canceled.IsSet() {
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state.ExitCode = 137
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}
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}
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logger.Debug().
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Str("error", state.Error).
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Int("exit_code", state.ExitCode).
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Msg("pipeline complete")
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logger.Debug().Msg("uploading logs")
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uploads.Wait()
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logger.Debug().Msg("uploading logs complete")
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logger.Debug().
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Str("error", state.Error).
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Int("exit_code", state.ExitCode).
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Msg("updating pipeline status")
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err = r.client.Done(ctxmeta, work.ID, state)
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if err != nil {
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logger.Error().Err(err).Msg("updating pipeline status failed")
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} else {
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logger.Debug().Msg("updating pipeline status complete")
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}
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return nil
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}
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// extract repository name from the configuration
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func extractRepositoryName(config *backend.Config) string {
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return config.Stages[0].Steps[0].Environment["CI_REPO"]
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}
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// extract build number from the configuration
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func extractBuildNumber(config *backend.Config) string {
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return config.Stages[0].Steps[0].Environment["CI_BUILD_NUMBER"]
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}
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