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package sqs
import (
"context"
"sync"
"sync/atomic"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/aws/retry"
"github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/credentials"
"github.com/aws/aws-sdk-go-v2/service/sqs"
"github.com/google/uuid"
"github.com/spiral/errors"
"github.com/spiral/roadrunner/v2/pkg/events"
priorityqueue "github.com/spiral/roadrunner/v2/pkg/priority_queue"
cfgPlugin "github.com/spiral/roadrunner/v2/plugins/config"
"github.com/spiral/roadrunner/v2/plugins/jobs/job"
"github.com/spiral/roadrunner/v2/plugins/jobs/pipeline"
"github.com/spiral/roadrunner/v2/plugins/logger"
)
type JobConsumer struct {
sync.Mutex
pq priorityqueue.Queue
log logger.Logger
eh events.Handler
pipeline atomic.Value
// connection info
key string
secret string
sessionToken string
region string
endpoint string
queue string
messageGroupID string
waitTime int32
prefetch int32
visibilityTimeout int32
// if user invoke several resume operations
listeners uint32
// queue optional parameters
attributes map[string]string
tags map[string]string
client *sqs.Client
outputQ *sqs.CreateQueueOutput
pauseCh chan struct{}
}
func NewSQSConsumer(configKey string, log logger.Logger, cfg cfgPlugin.Configurer, e events.Handler, pq priorityqueue.Queue) (*JobConsumer, error) {
const op = errors.Op("new_sqs_consumer")
// if no such key - error
if !cfg.Has(configKey) {
return nil, errors.E(op, errors.Errorf("no configuration by provided key: %s", configKey))
}
// if no global section
if !cfg.Has(pluginName) {
return nil, errors.E(op, errors.Str("no global sqs configuration, global configuration should contain sqs section"))
}
// PARSE CONFIGURATION -------
var pipeCfg Config
var globalCfg GlobalCfg
err := cfg.UnmarshalKey(configKey, &pipeCfg)
if err != nil {
return nil, errors.E(op, err)
}
pipeCfg.InitDefault()
err = cfg.UnmarshalKey(pluginName, &globalCfg)
if err != nil {
return nil, errors.E(op, err)
}
globalCfg.InitDefault()
// initialize job consumer
jb := &JobConsumer{
pq: pq,
log: log,
eh: e,
messageGroupID: uuid.NewString(),
attributes: pipeCfg.Attributes,
tags: pipeCfg.Tags,
queue: pipeCfg.Queue,
prefetch: pipeCfg.PrefetchCount,
visibilityTimeout: pipeCfg.VisibilityTimeout,
waitTime: pipeCfg.WaitTimeSeconds,
region: globalCfg.Region,
key: globalCfg.Key,
sessionToken: globalCfg.SessionToken,
secret: globalCfg.Secret,
endpoint: globalCfg.Endpoint,
}
// PARSE CONFIGURATION -------
awsConf, err := config.LoadDefaultConfig(context.Background(),
config.WithRegion(globalCfg.Region),
config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(jb.key, jb.secret, jb.sessionToken)))
if err != nil {
return nil, errors.E(op, err)
}
// config with retries
jb.client = sqs.NewFromConfig(awsConf, sqs.WithEndpointResolver(sqs.EndpointResolverFromURL(jb.endpoint)), func(o *sqs.Options) {
o.Retryer = retry.NewStandard(func(opts *retry.StandardOptions) {
opts.MaxAttempts = 60
})
})
jb.outputQ, err = jb.client.CreateQueue(context.Background(), &sqs.CreateQueueInput{QueueName: aws.String(jb.queue), Attributes: jb.attributes, Tags: jb.tags})
if err != nil {
return nil, errors.E(op, err)
}
return jb, nil
}
func FromPipeline(pipe *pipeline.Pipeline, log logger.Logger, cfg cfgPlugin.Configurer, e events.Handler, pq priorityqueue.Queue) (*JobConsumer, error) {
return &JobConsumer{}, nil
}
func (j *JobConsumer) Push(jb *job.Job) error {
const op = errors.Op("sqs_push")
// check if the pipeline registered
// load atomic value
pipe := j.pipeline.Load().(*pipeline.Pipeline)
if pipe.Name() != jb.Options.Pipeline {
return errors.E(op, errors.Errorf("no such pipeline: %s, actual: %s", jb.Options.Pipeline, pipe.Name()))
}
// The length of time, in seconds, for which to delay a specific message. Valid
// values: 0 to 900. Maximum: 15 minutes.
if jb.Options.Delay > 900 {
return errors.E(op, errors.Errorf("unable to push, maximum possible delay is 900 seconds (15 minutes), provided: %d", jb.Options.Delay))
}
msg := fromJob(jb)
// The new value for the message's visibility timeout (in seconds). Values range: 0
// to 43200. Maximum: 12 hours.
_, err := j.client.SendMessage(context.Background(), msg.pack(j.outputQ.QueueUrl))
if err != nil {
return errors.E(op, err)
}
return nil
}
func (j *JobConsumer) Register(pipeline *pipeline.Pipeline) error {
j.pipeline.Store(pipeline)
return nil
}
func (j *JobConsumer) Run(p *pipeline.Pipeline) error {
const op = errors.Op("rabbit_consume")
j.Lock()
defer j.Unlock()
pipe := j.pipeline.Load().(*pipeline.Pipeline)
if pipe.Name() != p.Name() {
return errors.E(op, errors.Errorf("no such pipeline registered: %s", pipe.Name()))
}
atomic.AddUint32(&j.listeners, 1)
// start listener
go j.listen()
return nil
}
func (j *JobConsumer) Stop() error {
j.pauseCh <- struct{}{}
return nil
}
func (j *JobConsumer) Pause(p string) {
// load atomic value
pipe := j.pipeline.Load().(*pipeline.Pipeline)
if pipe.Name() != p {
j.log.Error("no such pipeline", "requested", p, "actual", pipe.Name())
return
}
l := atomic.LoadUint32(&j.listeners)
// no active listeners
if l == 0 {
j.log.Warn("no active listeners, nothing to pause")
return
}
atomic.AddUint32(&j.listeners, ^uint32(0))
// stop consume
j.pauseCh <- struct{}{}
}
func (j *JobConsumer) Resume(p string) {
// load atomic value
pipe := j.pipeline.Load().(*pipeline.Pipeline)
if pipe.Name() != p {
j.log.Error("no such pipeline", "requested", p, "actual", pipe.Name())
return
}
l := atomic.LoadUint32(&j.listeners)
// no active listeners
if l == 1 {
j.log.Warn("sqs listener already in the active state")
return
}
// start listener
go j.listen()
atomic.AddUint32(&j.listeners, 1)
}
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