agola/internal/services/scheduler/scheduler.go
Simone Gotti 340cc15268 scheduler: fix changegroup names
run changegroup names are based on the run path but it will contain slashes and
could be very long. So calculate the sha256 sum of the path and use it as the
changegroup name.
2019-04-29 10:14:10 +02:00

134 lines
3.6 KiB
Go

// Copyright 2019 Sorint.lab
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
// See the License for the specific language governing permissions and
// limitations under the License.
package scheduler
import (
"context"
"fmt"
"time"
slog "github.com/sorintlab/agola/internal/log"
"github.com/sorintlab/agola/internal/services/config"
rsapi "github.com/sorintlab/agola/internal/services/runservice/scheduler/api"
"github.com/sorintlab/agola/internal/util"
"github.com/pkg/errors"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var level = zap.NewAtomicLevelAt(zapcore.InfoLevel)
var logger = slog.New(level)
var log = logger.Sugar()
func (s *Scheduler) scheduleLoop(ctx context.Context) {
for {
if err := s.schedule(ctx); err != nil {
log.Errorf("err: %+v", err)
}
time.Sleep(1 * time.Second)
}
}
func (s *Scheduler) schedule(ctx context.Context) error {
// create a list of project and users with queued runs
groups := map[string]struct{}{}
var lastRunID string
for {
queuedRunsResponse, _, err := s.runserviceClient.GetQueuedRuns(ctx, lastRunID, 0)
if err != nil {
return errors.Wrapf(err, "failed to get queued runs")
}
//log.Infof("queuedRuns: %s", util.Dump(queuedRunsResponse.Runs))
for _, run := range queuedRunsResponse.Runs {
groups[run.Group] = struct{}{}
}
if len(queuedRunsResponse.Runs) == 0 {
break
}
if len(queuedRunsResponse.Runs) > 0 {
lastRunID = queuedRunsResponse.Runs[len(queuedRunsResponse.Runs)-1].ID
}
}
for groupID := range groups {
if err := s.scheduleRun(ctx, groupID); err != nil {
log.Errorf("scheduler err: %v", err)
}
}
return nil
}
func (s *Scheduler) scheduleRun(ctx context.Context, groupID string) error {
// get first queued run
queuedRunsResponse, _, err := s.runserviceClient.GetGroupFirstQueuedRuns(ctx, groupID, nil)
//log.Infof("first queuedRuns: %s", util.Dump(queuedRunsResponse.Runs))
if err != nil {
return errors.Wrapf(err, "failed to get the first project queued run")
}
if len(queuedRunsResponse.Runs) == 0 {
return nil
}
//log.Infof("queued runs: %s", queuedRunsResponse.Runs)
run := queuedRunsResponse.Runs[0]
changegroup := util.EncodeSha256Hex(fmt.Sprintf("changegroup-%s", groupID))
runningRunsResponse, _, err := s.runserviceClient.GetGroupRunningRuns(ctx, groupID, 1, []string{changegroup})
if err != nil {
return errors.Wrapf(err, "failed to get running runs")
}
//log.Infof("running Runs: %s", util.Dump(runningRunsResponse.Runs))
if len(runningRunsResponse.Runs) == 0 {
log.Infof("starting run %s", run.ID)
log.Infof("changegroups: %s", runningRunsResponse.ChangeGroupsUpdateToken)
if _, err := s.runserviceClient.StartRun(ctx, run.ID, runningRunsResponse.ChangeGroupsUpdateToken); err != nil {
log.Errorf("failed to start run %s: %v", run.ID, err)
}
}
return nil
}
type Scheduler struct {
c *config.Scheduler
runserviceClient *rsapi.Client
}
func NewScheduler(c *config.Scheduler) (*Scheduler, error) {
if c.Debug {
level.SetLevel(zapcore.DebugLevel)
}
return &Scheduler{
runserviceClient: rsapi.NewClient(c.RunServiceURL),
}, nil
}
func (s *Scheduler) Run(ctx context.Context) error {
go s.scheduleLoop(ctx)
select {
case <-ctx.Done():
log.Infof("scheduler exiting")
return nil
}
}