105 lines
2.3 KiB
Go
105 lines
2.3 KiB
Go
package poller
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import (
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"context"
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"time"
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"gitea.com/gitea/act_runner/client"
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runnerv1 "gitea.com/gitea/proto-go/runner/v1"
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log "github.com/sirupsen/logrus"
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)
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func New(cli client.Client, dispatch func(context.Context, *runnerv1.Stage) error, filter *client.Filter) *Poller {
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return &Poller{
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Client: cli,
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Filter: filter,
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Dispatch: dispatch,
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routineGroup: newRoutineGroup(),
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}
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}
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type Poller struct {
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Client client.Client
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Filter *client.Filter
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Dispatch func(context.Context, *runnerv1.Stage) error
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routineGroup *routineGroup
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}
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func (p *Poller) Poll(ctx context.Context, n int) error {
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// register new runner.
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_, err := p.Client.Register(ctx, &runnerv1.RegisterRequest{
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Os: p.Filter.OS,
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Arch: p.Filter.Arch,
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Capacity: int64(p.Filter.Capacity),
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})
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if err != nil {
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log.WithError(err).Error("poller: cannot register new runner")
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return err
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}
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for i := 0; i < n; i++ {
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func(i int) {
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p.routineGroup.Run(func() {
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for {
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select {
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case <-ctx.Done():
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log.Infof("stopped the runner: %d", i+1)
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return
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default:
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if ctx.Err() != nil {
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log.Infof("stopping the runner: %d", i+1)
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return
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}
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if err := p.poll(ctx, i+1); err != nil {
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log.WithField("thread", i+1).
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WithError(err).Error("poll error")
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}
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}
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}
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})
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}(i)
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}
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p.routineGroup.Wait()
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return nil
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}
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func (p *Poller) poll(ctx context.Context, thread int) error {
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logger := log.WithField("thread", thread)
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logger.Info("poller: request stage from remote server")
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ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
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defer cancel()
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// request a new build stage for execution from the central
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// build server.
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stage, err := p.Client.Request(ctx, &runnerv1.RequestRequest{
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Kind: p.Filter.Kind,
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Os: p.Filter.OS,
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Arch: p.Filter.Arch,
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Type: p.Filter.Type,
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})
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if err == context.Canceled || err == context.DeadlineExceeded {
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logger.WithError(err).Trace("poller: no stage returned")
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return nil
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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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// exit if a nil or empty stage is returned from the system
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// and allow the runner to retry.
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if stage == nil || stage.Id == 0 {
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return nil
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}
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// FIXME: for testing task
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// stage.Id = 111
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// stage.BuildId = 1222
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// set client to context, so that the stage can use it to
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ctx = client.WithClient(ctx, p.Client)
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return p.Dispatch(ctx, stage)
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}
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