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|
package jobs
import (
"context"
endure "github.com/spiral/endure/pkg/container"
"github.com/spiral/errors"
priorityqueue "github.com/spiral/roadrunner/v2/common/priority_queue"
"github.com/spiral/roadrunner/v2/pkg/events"
"github.com/spiral/roadrunner/v2/pkg/payload"
"github.com/spiral/roadrunner/v2/pkg/pool"
priorityqueue2 "github.com/spiral/roadrunner/v2/pkg/priority_queue"
"github.com/spiral/roadrunner/v2/plugins/config"
"github.com/spiral/roadrunner/v2/plugins/jobs/pipeline"
"github.com/spiral/roadrunner/v2/plugins/jobs/structs"
"github.com/spiral/roadrunner/v2/plugins/logger"
"github.com/spiral/roadrunner/v2/plugins/server"
)
const (
// RrJobs env variable
RrJobs string = "rr_jobs"
PluginName string = "jobs"
)
type Plugin struct {
cfg *Config `mapstructure:"jobs"`
log logger.Logger
workersPool pool.Pool
server server.Server
brokers map[string]Broker
consumers map[string]Consumer
events events.Handler
// priority queue implementation
queue priorityqueue.Queue
// parent config for broken options.
pipelines pipeline.Pipelines
}
func (p *Plugin) Init(cfg config.Configurer, log logger.Logger, server server.Server) error {
const op = errors.Op("jobs_plugin_init")
if !cfg.Has(PluginName) {
return errors.E(op, errors.Disabled)
}
err := cfg.UnmarshalKey(PluginName, &p.cfg)
if err != nil {
return errors.E(op, err)
}
p.cfg.InitDefaults()
p.server = server
p.events = events.NewEventsHandler()
p.brokers = make(map[string]Broker)
p.consumers = make(map[string]Consumer)
// initial set of pipelines
p.pipelines, err = pipeline.InitPipelines(p.cfg.Pipelines)
if err != nil {
return errors.E(op, err)
}
// initialize priority queue
p.queue = priorityqueue2.NewPriorityQueue()
p.log = log
return nil
}
func (p *Plugin) Serve() chan error {
errCh := make(chan error, 1)
const op = errors.Op("jobs_plugin_serve")
for name := range p.brokers {
jb, err := p.brokers[name].InitJobBroker(p.queue)
if err != nil {
errCh <- err
return errCh
}
p.consumers[name] = jb
}
// register initial pipelines
for i := 0; i < len(p.pipelines); i++ {
pipe := p.pipelines[i]
if jb, ok := p.consumers[pipe.Driver()]; ok {
err := jb.Register(pipe.Name())
if err != nil {
errCh <- errors.E(op, errors.Errorf("pipe register failed for the driver: %s with pipe name: %s", pipe.Driver(), pipe.Name()))
return errCh
}
}
}
var err error
p.workersPool, err = p.server.NewWorkerPool(context.Background(), p.cfg.Pool, map[string]string{RrJobs: "true"})
if err != nil {
errCh <- err
return errCh
}
// start listening
go func() {
for {
// get data JOB from the queue
job := p.queue.GetMax()
if job == nil {
continue
}
exec := payload.Payload{
Context: job.Context(),
Body: job.Body(),
}
_, err = p.workersPool.Exec(exec)
if err != nil {
panic(err)
}
}
}()
return errCh
}
func (p *Plugin) Stop() error {
return nil
}
func (p *Plugin) Collects() []interface{} {
return []interface{}{
p.CollectMQBrokers,
}
}
func (p *Plugin) CollectMQBrokers(name endure.Named, c Broker) {
p.brokers[name.Name()] = c
}
func (p *Plugin) Available() {}
func (p *Plugin) Name() string {
return PluginName
}
func (p *Plugin) Push(j *structs.Job) (string, error) {
pipe := p.pipelines.Get(j.Options.Pipeline)
broker, ok := p.consumers[pipe.Driver()]
if !ok {
panic("broker not found")
}
id, err := broker.Push(j)
if err != nil {
panic(err)
}
return id, nil
}
func (p *Plugin) RPC() interface{} {
return &rpc{
log: p.log,
p: p,
}
}
|
