feat(poller): support scheduler to fetch task and dispatch to worker
This commit is contained in:
parent
5fc35faf17
commit
a13ed0c52e
|
|
@ -59,6 +59,7 @@ func runDaemon(ctx context.Context, envFile string) func(cmd *cobra.Command, arg
|
|||
poller := poller.New(
|
||||
cli,
|
||||
runner.Run,
|
||||
cfg.Runner.Capacity,
|
||||
)
|
||||
|
||||
g.Go(func() error {
|
||||
|
|
@ -81,7 +82,7 @@ func runDaemon(ctx context.Context, envFile string) func(cmd *cobra.Command, arg
|
|||
Errorln("failed to update runner")
|
||||
}
|
||||
|
||||
return poller.Poll(ctx, cfg.Runner.Capacity)
|
||||
return poller.Poll(ctx)
|
||||
})
|
||||
|
||||
g.Go(func() error {
|
||||
|
|
|
|||
164
poller/poller.go
164
poller/poller.go
|
|
@ -3,6 +3,7 @@ package poller
|
|||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"gitea.com/gitea/act_runner/client"
|
||||
|
|
@ -14,12 +15,13 @@ import (
|
|||
|
||||
var ErrDataLock = errors.New("Data Lock Error")
|
||||
|
||||
func New(cli client.Client, dispatch func(context.Context, *runnerv1.Task) error) *Poller {
|
||||
func New(cli client.Client, dispatch func(context.Context, *runnerv1.Task) error, workerNum int) *Poller {
|
||||
return &Poller{
|
||||
Client: cli,
|
||||
Dispatch: dispatch,
|
||||
routineGroup: newRoutineGroup(),
|
||||
metric: &metric{},
|
||||
workerNum: workerNum,
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -28,83 +30,60 @@ type Poller struct {
|
|||
Filter *client.Filter
|
||||
Dispatch func(context.Context, *runnerv1.Task) error
|
||||
|
||||
sync.Mutex
|
||||
routineGroup *routineGroup
|
||||
metric *metric
|
||||
ready chan struct{}
|
||||
workerNum int
|
||||
}
|
||||
|
||||
func (p *Poller) Wait() {
|
||||
p.routineGroup.Wait()
|
||||
}
|
||||
|
||||
func (p *Poller) Poll(ctx context.Context, n int) error {
|
||||
for i := 0; i < n; i++ {
|
||||
func(i int) {
|
||||
p.routineGroup.Run(func() {
|
||||
func (p *Poller) schedule() {
|
||||
p.Lock()
|
||||
defer p.Unlock()
|
||||
if int(p.metric.BusyWorkers()) >= p.workerNum {
|
||||
return
|
||||
}
|
||||
|
||||
select {
|
||||
case p.ready <- struct{}{}:
|
||||
default:
|
||||
}
|
||||
}
|
||||
|
||||
func (p *Poller) Poll(ctx context.Context) error {
|
||||
l := log.WithField("func", "Poll")
|
||||
|
||||
for {
|
||||
// check worker number
|
||||
p.schedule()
|
||||
|
||||
select {
|
||||
// wait worker ready
|
||||
case <-p.ready:
|
||||
case <-ctx.Done():
|
||||
return nil
|
||||
}
|
||||
LOOP:
|
||||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
log.Infof("stopped the runner: %d", i+1)
|
||||
return
|
||||
break LOOP
|
||||
default:
|
||||
if ctx.Err() != nil {
|
||||
log.Infof("stopping the runner: %d", i+1)
|
||||
return
|
||||
}
|
||||
if err := p.poll(ctx, i+1); err != nil {
|
||||
log.WithField("thread", i+1).
|
||||
WithError(err).Error("poll error")
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return
|
||||
case <-time.After(5 * time.Second):
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
})
|
||||
}(i)
|
||||
}
|
||||
p.routineGroup.Wait()
|
||||
return nil
|
||||
}
|
||||
|
||||
func (p *Poller) poll(ctx context.Context, thread int) error {
|
||||
l := log.WithField("thread", thread)
|
||||
l.Info("poller: request stage from remote server")
|
||||
|
||||
reqCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
|
||||
defer cancel()
|
||||
|
||||
// request a new build stage for execution from the central
|
||||
// build server.
|
||||
resp, err := p.Client.FetchTask(reqCtx, connect.NewRequest(&runnerv1.FetchTaskRequest{}))
|
||||
if err == context.Canceled || err == context.DeadlineExceeded {
|
||||
l.WithError(err).Trace("poller: no stage returned")
|
||||
return nil
|
||||
}
|
||||
|
||||
if err != nil && err == ErrDataLock {
|
||||
l.WithError(err).Info("task accepted by another runner")
|
||||
return nil
|
||||
}
|
||||
|
||||
task, err := p.pollTask(ctx)
|
||||
if task == nil || err != nil {
|
||||
if err != nil {
|
||||
l.WithError(err).Error("cannot accept task")
|
||||
return err
|
||||
l.Errorf("can't find the task: %v", err.Error())
|
||||
}
|
||||
|
||||
// exit if a nil or empty stage is returned from the system
|
||||
// and allow the runner to retry.
|
||||
if resp.Msg.Task == nil || resp.Msg.Task.Id == 0 {
|
||||
return nil
|
||||
time.Sleep(5 * time.Second)
|
||||
break
|
||||
}
|
||||
|
||||
runCtx, cancel := context.WithTimeout(ctx, time.Hour)
|
||||
defer cancel()
|
||||
|
||||
// update runner status
|
||||
// running: idle -> active
|
||||
// stopped: active -> idle
|
||||
if val := p.metric.IncBusyWorker(); val == 1 {
|
||||
if _, err := p.Client.UpdateRunner(
|
||||
ctx,
|
||||
|
|
@ -116,24 +95,77 @@ func (p *Poller) poll(ctx context.Context, thread int) error {
|
|||
}
|
||||
l.Info("update runner status to active")
|
||||
}
|
||||
p.routineGroup.Run(func() {
|
||||
if err := p.dispatchTask(ctx, task); err != nil {
|
||||
l.Errorf("execute task: %v", err.Error())
|
||||
}
|
||||
})
|
||||
break LOOP
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
defer func() {
|
||||
if val := p.metric.DecBusyWorker(); val != 0 {
|
||||
return
|
||||
func (p *Poller) pollTask(ctx context.Context) (*runnerv1.Task, error) {
|
||||
l := log.WithField("func", "pollTask")
|
||||
l.Info("poller: request stage from remote server")
|
||||
|
||||
reqCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
|
||||
defer cancel()
|
||||
|
||||
// request a new build stage for execution from the central
|
||||
// build server.
|
||||
resp, err := p.Client.FetchTask(reqCtx, connect.NewRequest(&runnerv1.FetchTaskRequest{}))
|
||||
if err == context.Canceled || err == context.DeadlineExceeded {
|
||||
l.WithError(err).Trace("poller: no stage returned")
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
if err != nil && err == ErrDataLock {
|
||||
l.WithError(err).Info("task accepted by another runner")
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
l.WithError(err).Error("cannot accept task")
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// exit if a nil or empty stage is returned from the system
|
||||
// and allow the runner to retry.
|
||||
if resp.Msg.Task == nil || resp.Msg.Task.Id == 0 {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
return resp.Msg.Task, nil
|
||||
}
|
||||
|
||||
func (p *Poller) dispatchTask(ctx context.Context, task *runnerv1.Task) error {
|
||||
l := log.WithField("func", "dispatchTask")
|
||||
defer func() {
|
||||
val := p.metric.DecBusyWorker()
|
||||
e := recover()
|
||||
if e != nil {
|
||||
l.Errorf("panic error: %v", e)
|
||||
}
|
||||
p.schedule()
|
||||
|
||||
if val != 0 {
|
||||
return
|
||||
}
|
||||
if _, err := p.Client.UpdateRunner(
|
||||
ctx,
|
||||
connect.NewRequest(&runnerv1.UpdateRunnerRequest{
|
||||
Status: runnerv1.RunnerStatus_RUNNER_STATUS_IDLE,
|
||||
}),
|
||||
); err != nil {
|
||||
log.Errorln("update status error:", err.Error())
|
||||
l.Errorln("update status error:", err.Error())
|
||||
}
|
||||
l.Info("update runner status to idle")
|
||||
}()
|
||||
}()
|
||||
|
||||
return p.Dispatch(runCtx, resp.Msg.Task)
|
||||
runCtx, cancel := context.WithTimeout(ctx, time.Hour)
|
||||
defer cancel()
|
||||
|
||||
return p.Dispatch(runCtx, task)
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue