woodpecker/server/pipeline/cancel.go

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// Copyright 2022 Woodpecker Authors
//
// 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 pipeline
import (
"context"
"fmt"
"github.com/rs/zerolog/log"
"github.com/woodpecker-ci/woodpecker/server"
"github.com/woodpecker-ci/woodpecker/server/model"
"github.com/woodpecker-ci/woodpecker/server/queue"
"github.com/woodpecker-ci/woodpecker/server/store"
)
// Cancel the pipeline and returns the status.
func Cancel(ctx context.Context, store store.Store, repo *model.Repo, user *model.User, pipeline *model.Pipeline) error {
if pipeline.Status != model.StatusRunning && pipeline.Status != model.StatusPending && pipeline.Status != model.StatusBlocked {
return &ErrBadRequest{Msg: "Cannot cancel a non-running or non-pending or non-blocked pipeline"}
}
workflows, err := store.WorkflowGetTree(pipeline)
if err != nil {
return &ErrNotFound{Msg: err.Error()}
}
// First cancel/evict steps in the queue in one go
var (
stepsToCancel []string
stepsToEvict []string
)
for _, workflow := range workflows {
if workflow.State == model.StatusRunning {
stepsToCancel = append(stepsToCancel, fmt.Sprint(workflow.ID))
}
if workflow.State == model.StatusPending {
stepsToEvict = append(stepsToEvict, fmt.Sprint(workflow.ID))
}
}
if len(stepsToEvict) != 0 {
if err := server.Config.Services.Queue.EvictAtOnce(ctx, stepsToEvict); err != nil {
log.Error().Err(err).Msgf("queue: evict_at_once: %v", stepsToEvict)
}
if err := server.Config.Services.Queue.ErrorAtOnce(ctx, stepsToEvict, queue.ErrCancel); err != nil {
log.Error().Err(err).Msgf("queue: evict_at_once: %v", stepsToEvict)
}
}
if len(stepsToCancel) != 0 {
if err := server.Config.Services.Queue.ErrorAtOnce(ctx, stepsToCancel, queue.ErrCancel); err != nil {
log.Error().Err(err).Msgf("queue: evict_at_once: %v", stepsToCancel)
}
}
// Then update the DB status for pending pipelines
// Running ones will be set when the agents stop on the cancel signal
for _, workflow := range workflows {
if workflow.State == model.StatusPending {
if _, err = UpdateWorkflowToStatusSkipped(store, *workflow); err != nil {
log.Error().Err(err).Msgf("cannot update workflow with id %d state", workflow.ID)
}
}
for _, step := range workflow.Children {
if step.State == model.StatusPending {
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if _, err = UpdateStepToStatusSkipped(store, *step, 0); err != nil {
log.Error().Err(err).Msgf("cannot update workflow with id %d state", workflow.ID)
}
}
}
}
killedPipeline, err := UpdateToStatusKilled(store, *pipeline)
if err != nil {
log.Error().Err(err).Msgf("UpdateToStatusKilled: %v", pipeline)
return err
}
updatePipelineStatus(ctx, killedPipeline, repo, user)
if killedPipeline.Workflows, err = store.WorkflowGetTree(killedPipeline); err != nil {
return err
}
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publishToTopic(killedPipeline, repo)
return nil
}
func cancelPreviousPipelines(
ctx context.Context,
_store store.Store,
pipeline *model.Pipeline,
repo *model.Repo,
user *model.User,
) error {
// check this event should cancel previous pipelines
eventIncluded := false
for _, ev := range repo.CancelPreviousPipelineEvents {
if ev == pipeline.Event {
eventIncluded = true
break
}
}
if !eventIncluded {
return nil
}
// get all active activeBuilds
activeBuilds, err := _store.GetActivePipelineList(repo)
if err != nil {
return err
}
pipelineNeedsCancel := func(active *model.Pipeline) bool {
// always filter on same event
if active.Event != pipeline.Event {
return false
}
// find events for the same context
switch pipeline.Event {
case model.EventPush:
return pipeline.Branch == active.Branch
default:
return pipeline.Refspec == active.Refspec
}
}
for _, active := range activeBuilds {
if active.ID == pipeline.ID {
// same pipeline. e.g. self
continue
}
cancel := pipelineNeedsCancel(active)
if !cancel {
continue
}
if err = Cancel(ctx, _store, repo, user, active); err != nil {
log.Error().
Err(err).
Str("Ref", active.Ref).
Int64("ID", active.ID).
Msg("Failed to cancel pipeline")
}
}
return nil
}