woodpecker/server/grpc/rpc.go
2023-10-13 07:34:33 +02:00

431 lines
12 KiB
Go

// Copyright 2022 Woodpecker Authors
// Copyright 2021 Informatyka Boguslawski sp. z o.o. sp.k., http://www.ib.pl/
// Copyright 2018 Drone.IO 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.
//
// This file has been modified by Informatyka Boguslawski sp. z o.o. sp.k.
package grpc
import (
"context"
"encoding/json"
"errors"
"fmt"
"strconv"
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/rs/zerolog/log"
grpcMetadata "google.golang.org/grpc/metadata"
"github.com/woodpecker-ci/woodpecker/pipeline/rpc"
"github.com/woodpecker-ci/woodpecker/server/forge"
"github.com/woodpecker-ci/woodpecker/server/logging"
"github.com/woodpecker-ci/woodpecker/server/model"
"github.com/woodpecker-ci/woodpecker/server/pipeline"
"github.com/woodpecker-ci/woodpecker/server/pubsub"
"github.com/woodpecker-ci/woodpecker/server/queue"
"github.com/woodpecker-ci/woodpecker/server/store"
)
type RPC struct {
forge forge.Forge
queue queue.Queue
pubsub *pubsub.Publisher
logger logging.Log
store store.Store
pipelineTime *prometheus.GaugeVec
pipelineCount *prometheus.CounterVec
}
// Next implements the rpc.Next function
func (s *RPC) Next(c context.Context, agentFilter rpc.Filter) (*rpc.Workflow, error) {
metadata, ok := grpcMetadata.FromIncomingContext(c)
if ok {
hostname, ok := metadata["hostname"]
if ok && len(hostname) != 0 {
log.Debug().Msgf("agent connected: %s: polling", hostname[0])
}
}
fn, err := createFilterFunc(agentFilter)
if err != nil {
return nil, err
}
for {
agent, err := s.getAgentFromContext(c)
if err != nil {
return nil, err
} else if agent.NoSchedule {
return nil, nil
}
task, err := s.queue.Poll(c, agent.ID, fn)
if err != nil {
return nil, err
} else if task == nil {
return nil, nil
}
if task.ShouldRun() {
workflow := new(rpc.Workflow)
err = json.Unmarshal(task.Data, workflow)
return workflow, err
}
if err := s.Done(c, task.ID, rpc.State{}); err != nil {
log.Error().Err(err).Msgf("mark task '%s' done failed", task.ID)
}
}
}
// Wait implements the rpc.Wait function
func (s *RPC) Wait(c context.Context, id string) error {
return s.queue.Wait(c, id)
}
// Extend implements the rpc.Extend function
func (s *RPC) Extend(c context.Context, id string) error {
return s.queue.Extend(c, id)
}
// Update implements the rpc.Update function
func (s *RPC) Update(_ context.Context, id string, state rpc.State) error {
workflowID, err := strconv.ParseInt(id, 10, 64)
if err != nil {
return err
}
workflow, err := s.store.WorkflowLoad(workflowID)
if err != nil {
log.Error().Msgf("error: rpc.update: cannot find workflow with id %d: %s", workflowID, err)
return err
}
currentPipeline, err := s.store.GetPipeline(workflow.PipelineID)
if err != nil {
log.Error().Msgf("error: cannot find pipeline with id %d: %s", workflow.PipelineID, err)
return err
}
step, err := s.store.StepChild(currentPipeline, workflow.PID, state.Step)
if err != nil {
log.Error().Msgf("error: cannot find step with name %s: %s", state.Step, err)
return err
}
repo, err := s.store.GetRepo(currentPipeline.RepoID)
if err != nil {
log.Error().Msgf("error: cannot find repo with id %d: %s", currentPipeline.RepoID, err)
return err
}
if err := pipeline.UpdateStepStatus(s.store, step, state, currentPipeline.Started); err != nil {
log.Error().Err(err).Msg("rpc.update: cannot update step")
}
if currentPipeline.Workflows, err = s.store.WorkflowGetTree(currentPipeline); err != nil {
log.Error().Err(err).Msg("can not build tree from step list")
return err
}
message := pubsub.Message{
Labels: map[string]string{
"repo": repo.FullName,
"private": strconv.FormatBool(repo.IsSCMPrivate),
},
}
message.Data, _ = json.Marshal(model.Event{
Repo: *repo,
Pipeline: *currentPipeline,
})
s.pubsub.Publish(message)
return nil
}
// Init implements the rpc.Init function
func (s *RPC) Init(c context.Context, id string, state rpc.State) error {
stepID, err := strconv.ParseInt(id, 10, 64)
if err != nil {
return err
}
workflow, err := s.store.WorkflowLoad(stepID)
if err != nil {
log.Error().Msgf("error: cannot find step with id %d: %s", stepID, err)
return err
}
agent, err := s.getAgentFromContext(c)
if err != nil {
return err
}
workflow.AgentID = agent.ID
currentPipeline, err := s.store.GetPipeline(workflow.PipelineID)
if err != nil {
log.Error().Msgf("error: cannot find pipeline with id %d: %s", workflow.PipelineID, err)
return err
}
repo, err := s.store.GetRepo(currentPipeline.RepoID)
if err != nil {
log.Error().Msgf("error: cannot find repo with id %d: %s", currentPipeline.RepoID, err)
return err
}
if currentPipeline.Status == model.StatusPending {
if currentPipeline, err = pipeline.UpdateToStatusRunning(s.store, *currentPipeline, state.Started); err != nil {
log.Error().Msgf("error: init: cannot update build_id %d state: %s", currentPipeline.ID, err)
}
}
s.updateForgeStatus(c, repo, currentPipeline, workflow)
defer func() {
currentPipeline.Workflows, _ = s.store.WorkflowGetTree(currentPipeline)
message := pubsub.Message{
Labels: map[string]string{
"repo": repo.FullName,
"private": strconv.FormatBool(repo.IsSCMPrivate),
},
}
message.Data, _ = json.Marshal(model.Event{
Repo: *repo,
Pipeline: *currentPipeline,
})
s.pubsub.Publish(message)
}()
workflow, err = pipeline.UpdateWorkflowToStatusStarted(s.store, *workflow, state)
if err != nil {
return err
}
s.updateForgeStatus(c, repo, currentPipeline, workflow)
return nil
}
// Done implements the rpc.Done function
func (s *RPC) Done(c context.Context, id string, state rpc.State) error {
workflowID, err := strconv.ParseInt(id, 10, 64)
if err != nil {
return err
}
workflow, err := s.store.WorkflowLoad(workflowID)
if err != nil {
log.Error().Err(err).Msgf("cannot find step with id %d", workflowID)
return err
}
workflow.Children, err = s.store.StepListFromWorkflowFind(workflow)
if err != nil {
return err
}
currentPipeline, err := s.store.GetPipeline(workflow.PipelineID)
if err != nil {
log.Error().Err(err).Msgf("cannot find pipeline with id %d", workflow.PipelineID)
return err
}
repo, err := s.store.GetRepo(currentPipeline.RepoID)
if err != nil {
log.Error().Err(err).Msgf("cannot find repo with id %d", currentPipeline.RepoID)
return err
}
logger := log.With().
Str("repo_id", fmt.Sprint(repo.ID)).
Str("pipeline_id", fmt.Sprint(currentPipeline.ID)).
Str("workflow_id", id).Logger()
logger.Trace().Msgf("gRPC Done with state: %#v", state)
if workflow, err = pipeline.UpdateWorkflowStatusToDone(s.store, *workflow, state); err != nil {
logger.Error().Err(err).Msgf("pipeline.UpdateStepStatusToDone: cannot update workflow state: %s", err)
}
var queueErr error
if workflow.Failing() {
queueErr = s.queue.Error(c, id, fmt.Errorf("Step finished with exit code %d, %s", state.ExitCode, state.Error))
} else {
queueErr = s.queue.Done(c, id, workflow.State)
}
if queueErr != nil {
logger.Error().Err(queueErr).Msg("queue.Done: cannot ack workflow")
}
currentPipeline.Workflows, err = s.store.WorkflowGetTree(currentPipeline)
if err != nil {
return err
}
s.completeChildrenIfParentCompleted(workflow)
if !model.IsThereRunningStage(currentPipeline.Workflows) {
if currentPipeline, err = pipeline.UpdateStatusToDone(s.store, *currentPipeline, model.PipelineStatus(currentPipeline.Workflows), workflow.Stopped); err != nil {
logger.Error().Err(err).Msgf("pipeline.UpdateStatusToDone: cannot update workflow final state")
}
}
s.updateForgeStatus(c, repo, currentPipeline, workflow)
// make sure writes to pubsub are non blocking (https://github.com/woodpecker-ci/woodpecker/blob/c919f32e0b6432a95e1a6d3d0ad662f591adf73f/server/logging/log.go#L9)
go func() {
for _, wf := range currentPipeline.Workflows {
for _, step := range wf.Children {
if err := s.logger.Close(c, step.ID); err != nil {
logger.Error().Err(err).Msgf("done: cannot close log stream for step %d", step.ID)
}
}
}
}()
if err := s.notify(repo, currentPipeline); err != nil {
return err
}
if currentPipeline.Status == model.StatusSuccess || currentPipeline.Status == model.StatusFailure {
s.pipelineCount.WithLabelValues(repo.FullName, currentPipeline.Branch, string(currentPipeline.Status), "total").Inc()
s.pipelineTime.WithLabelValues(repo.FullName, currentPipeline.Branch, string(currentPipeline.Status), "total").Set(float64(currentPipeline.Finished - currentPipeline.Started))
}
if currentPipeline.IsMultiPipeline() {
s.pipelineTime.WithLabelValues(repo.FullName, currentPipeline.Branch, string(workflow.State), workflow.Name).Set(float64(workflow.Stopped - workflow.Started))
}
return nil
}
// Log implements the rpc.Log function
func (s *RPC) Log(c context.Context, _logEntry *rpc.LogEntry) error {
// convert rpc log_entry to model.log_entry
step, err := s.store.StepByUUID(_logEntry.StepUUID)
if err != nil {
return fmt.Errorf("could not find step with uuid %s in store: %w", _logEntry.StepUUID, err)
}
logEntry := &model.LogEntry{
StepID: step.ID,
Time: _logEntry.Time,
Line: _logEntry.Line,
Data: []byte(_logEntry.Data),
Type: model.LogEntryType(_logEntry.Type),
}
// make sure writes to pubsub are non blocking (https://github.com/woodpecker-ci/woodpecker/blob/c919f32e0b6432a95e1a6d3d0ad662f591adf73f/server/logging/log.go#L9)
go func() {
// write line to listening web clients
if err := s.logger.Write(c, logEntry.StepID, logEntry); err != nil {
log.Error().Err(err).Msgf("rpc server could not write to logger")
}
}()
// make line persistent in database
return s.store.LogAppend(logEntry)
}
func (s *RPC) RegisterAgent(ctx context.Context, platform, backend, version string, capacity int32) (int64, error) {
agent, err := s.getAgentFromContext(ctx)
if err != nil {
return -1, err
}
agent.Backend = backend
agent.Platform = platform
agent.Capacity = capacity
agent.Version = version
err = s.store.AgentUpdate(agent)
if err != nil {
return -1, err
}
return agent.ID, nil
}
func (s *RPC) ReportHealth(ctx context.Context, status string) error {
agent, err := s.getAgentFromContext(ctx)
if err != nil {
return err
}
if status != "I am alive!" {
return errors.New("Are you alive?")
}
agent.LastContact = time.Now().Unix()
return s.store.AgentUpdate(agent)
}
func (s *RPC) completeChildrenIfParentCompleted(completedWorkflow *model.Workflow) {
for _, c := range completedWorkflow.Children {
if c.Running() {
if _, err := pipeline.UpdateStepToStatusSkipped(s.store, *c, completedWorkflow.Stopped); err != nil {
log.Error().Msgf("error: done: cannot update step_id %d child state: %s", c.ID, err)
}
}
}
}
func (s *RPC) updateForgeStatus(ctx context.Context, repo *model.Repo, pipeline *model.Pipeline, workflow *model.Workflow) {
user, err := s.store.GetUser(repo.UserID)
if err != nil {
log.Error().Err(err).Msgf("can not get user with id '%d'", repo.UserID)
return
}
forge.Refresh(ctx, s.forge, s.store, user)
// only do status updates for parent steps
if workflow != nil {
err = s.forge.Status(ctx, user, repo, pipeline, workflow)
if err != nil {
log.Error().Err(err).Msgf("error setting commit status for %s/%d", repo.FullName, pipeline.Number)
}
}
}
func (s *RPC) notify(repo *model.Repo, pipeline *model.Pipeline) (err error) {
message := pubsub.Message{
Labels: map[string]string{
"repo": repo.FullName,
"private": strconv.FormatBool(repo.IsSCMPrivate),
},
}
message.Data, _ = json.Marshal(model.Event{
Repo: *repo,
Pipeline: *pipeline,
})
s.pubsub.Publish(message)
return nil
}
func (s *RPC) getAgentFromContext(ctx context.Context) (*model.Agent, error) {
md, ok := grpcMetadata.FromIncomingContext(ctx)
if !ok {
return nil, errors.New("metadata is not provided")
}
values := md["agent_id"]
if len(values) == 0 {
return nil, errors.New("agent_id is not provided")
}
_agentID := values[0]
agentID, err := strconv.ParseInt(_agentID, 10, 64)
if err != nil {
return nil, errors.New("agent_id is not a valid integer")
}
return s.store.AgentFind(agentID)
}