drone/app/services/repo/reposize.go

119 lines
2.9 KiB
Go

// Copyright 2023 Harness, Inc.
//
// 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 repo
import (
"context"
"fmt"
"sync"
"time"
"github.com/harness/gitness/app/store"
"github.com/harness/gitness/git"
"github.com/harness/gitness/job"
"github.com/harness/gitness/types"
"github.com/rs/zerolog/log"
)
const jobType = "repo-size-calculator"
type SizeCalculator struct {
enabled bool
cron string
maxDur time.Duration
numWorkers int
git git.Interface
repoStore store.RepoStore
scheduler *job.Scheduler
}
func (s *SizeCalculator) Register(ctx context.Context) error {
if !s.enabled {
return nil
}
err := s.scheduler.AddRecurring(ctx, jobType, jobType, s.cron, s.maxDur)
if err != nil {
return fmt.Errorf("failed to register recurring job for calculator: %w", err)
}
return nil
}
func (s *SizeCalculator) Handle(ctx context.Context, _ string, _ job.ProgressReporter) (string, error) {
if !s.enabled {
return "", nil
}
sizeInfos, err := s.repoStore.ListSizeInfos(ctx)
if err != nil {
return "", fmt.Errorf("failed to get repository sizes: %w", err)
}
expiredBefore := time.Now().Add(s.maxDur)
log.Ctx(ctx).Info().Msgf(
"start repo size calculation (operation timeout: %s)",
expiredBefore.Format(time.RFC3339Nano),
)
var wg sync.WaitGroup
taskCh := make(chan *types.RepositorySizeInfo)
for i := 0; i < s.numWorkers; i++ {
wg.Add(1)
go worker(ctx, s, &wg, taskCh)
}
for _, sizeInfo := range sizeInfos {
select {
case <-ctx.Done():
break
case taskCh <- sizeInfo:
}
}
close(taskCh)
wg.Wait()
return "", nil
}
func worker(ctx context.Context, s *SizeCalculator, wg *sync.WaitGroup, taskCh <-chan *types.RepositorySizeInfo) {
defer wg.Done()
for sizeInfo := range taskCh {
log := log.Ctx(ctx).With().Str("repo_git_uid", sizeInfo.GitUID).Int64("repo_id", sizeInfo.ID).Logger()
log.Debug().Msgf("previous repo size: %d KiB", sizeInfo.Size)
sizeOut, err := s.git.GetRepositorySize(
ctx,
&git.GetRepositorySizeParams{ReadParams: git.ReadParams{RepoUID: sizeInfo.GitUID}})
if err != nil {
log.Error().Msgf("failed to get repo size: %s", err.Error())
continue
}
if sizeOut.Size == sizeInfo.Size {
log.Debug().Msg("repo size not changed")
continue
}
if err := s.repoStore.UpdateSize(ctx, sizeInfo.ID, sizeOut.Size); err != nil {
log.Error().Msgf("failed to update repo size: %s", err.Error())
continue
}
log.Debug().Msgf("new repo size: %d KiB", sizeOut.Size)
}
}