111 lines
2.7 KiB
Go
111 lines
2.7 KiB
Go
// Copyright 2019 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 reaper
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import (
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"context"
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"time"
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"github.com/drone/drone/core"
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)
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// Reaper finds and kills zombie jobs that are permanently
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// stuck in a pending or running state.
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type Reaper struct {
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Repos core.RepositoryStore
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Builds core.BuildStore
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Stages core.StageStore
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Canceler core.Canceler
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}
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// TODO use multierror to aggregate errors encountered
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// TODO use trace logging
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func (r *Reaper) reap(ctx context.Context) error {
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ttl := time.Hour*24
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pending, err := r.Builds.Pending(ctx)
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if err != nil {
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return err
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}
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for _, build := range pending {
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// if a build is pending for longer than the maximum
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// pending time limit, the build is maybe cancelled.
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if isExceeded(build.Created, ttl, buffer) {
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err = r.reapMaybe(ctx, build)
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if err != nil {
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return err
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}
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}
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}
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running, err := r.Builds.Running(ctx)
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if err != nil {
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return err
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}
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for _, build := range running {
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// if a build is running for longer than the maximum
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// running time limit, the build is maybe cancelled.
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if isExceeded(build.Started, ttl, buffer) {
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err = r.reapMaybe(ctx, build)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (r *Reaper) reapMaybe(ctx context.Context, build *core.Build) error {
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repo, err := r.Repos.Find(ctx, build.RepoID)
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if err != nil {
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return err
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}
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// if the build status is pending we can immediately
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// cancel the build and all build stages.
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if build.Status == core.StatusPending {
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return r.Canceler.Cancel(ctx, repo, build)
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}
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stages, err := r.Stages.List(ctx, build.ID)
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if err != nil {
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return err
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}
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var started int64
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for _, stage := range stages {
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if stage.IsDone() {
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continue
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}
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if stage.Started > started {
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started = stage.Started
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}
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}
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// if the build stages are all pending we can immediately
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// cancel the build.
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if started == 0 {
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return r.Canceler.Cancel(ctx, repo, build)
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}
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// if the build stage has exceeded the timeout by a reasonable
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// margin cancel the build and all build stages, else ignore.
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if isExceeded(started, time.Duration(repo.Timeout)*time.Minute, buffer) {
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return r.Canceler.Cancel(ctx, repo, build)
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}
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return nil
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}
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