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application.go
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application.go
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package jobservice
import (
"context"
"fmt"
"net"
"os"
"time"
log "github.com/sirupsen/logrus"
"golang.org/x/sync/errgroup"
"google.golang.org/grpc"
"github.com/armadaproject/armada/internal/common/auth"
grpcCommon "github.com/armadaproject/armada/internal/common/grpc"
grpcconfig "github.com/armadaproject/armada/internal/common/grpc/configuration"
"github.com/armadaproject/armada/internal/common/grpc/grpcpool"
"github.com/armadaproject/armada/internal/jobservice/configuration"
"github.com/armadaproject/armada/internal/jobservice/events"
"github.com/armadaproject/armada/internal/jobservice/eventstojobs"
"github.com/armadaproject/armada/internal/jobservice/repository"
"github.com/armadaproject/armada/internal/jobservice/server"
js "github.com/armadaproject/armada/pkg/api/jobservice"
"github.com/armadaproject/armada/pkg/client"
)
type App struct {
// Configuration for jobService
Config *configuration.JobServiceConfiguration
}
func New() *App {
return &App{}
}
var DefaultConfiguration = &configuration.JobServiceConfiguration{
GrpcPool: grpcconfig.GrpcPoolConfig{
InitialConnections: 5,
Capacity: 5,
},
SubscriberPoolSize: 30,
SubscriptionExpirySecs: 300,
PurgeJobSetTime: 600,
}
// Mutates config where possible to correct mis-configurations.
func RectifyConfig(config *configuration.JobServiceConfiguration) {
logger := log.WithField("JobService", "RectifyConfig")
if config.SubscriptionExpirySecs == 0 {
logger.WithFields(log.Fields{
"default": DefaultConfiguration.SubscriptionExpirySecs,
"configured": config.SubscriptionExpirySecs,
}).Warn("config.SubscriptionExpirySecs invalid, using default instead")
config.SubscriptionExpirySecs = DefaultConfiguration.SubscriptionExpirySecs
}
if config.PurgeJobSetTime == 0 {
logger.WithFields(log.Fields{
"default": DefaultConfiguration.PurgeJobSetTime,
"configured": config.PurgeJobSetTime,
}).Warn("config.PurgeJobSetTime invalid, using default instead")
config.PurgeJobSetTime = DefaultConfiguration.PurgeJobSetTime
}
// Grpc Pool
if config.GrpcPool.InitialConnections <= 0 {
logger.WithFields(log.Fields{
"default": DefaultConfiguration.GrpcPool.InitialConnections,
"configured": config.GrpcPool.InitialConnections,
}).Warn("config.GrpcPool.InitialConnections invalid, using default instead")
config.GrpcPool.InitialConnections = DefaultConfiguration.GrpcPool.InitialConnections
}
if config.GrpcPool.Capacity <= 0 {
logger.WithFields(log.Fields{
"default": DefaultConfiguration.GrpcPool.Capacity,
"configured": config.GrpcPool.Capacity,
}).Warn("config.GrpcPool.Capacity invalid, using default instead")
config.GrpcPool.Capacity = DefaultConfiguration.GrpcPool.Capacity
}
if config.SubscriberPoolSize <= 0 {
logger.WithFields(log.Fields{
"default": DefaultConfiguration.SubscriberPoolSize,
"configured": config.SubscriberPoolSize,
}).Warn("config.SubscriberPoolSize invalid, using default instead")
config.SubscriberPoolSize = DefaultConfiguration.SubscriberPoolSize
}
if config.ApiConnection.ForceNoTls {
logger.Warn("Armada Server connection will be unsecured! TLS is forced OFF!")
}
return
}
func (a *App) StartUp(ctx context.Context, config *configuration.JobServiceConfiguration) error {
// Setup an errgroup that cancels on any job failing or there being no active jobs.
g, _ := errgroup.WithContext(ctx)
RectifyConfig(config)
if os.Getenv("JOBSERVICE_DEBUG") != "" {
log.SetLevel(log.DebugLevel)
log.Debug("Set logging to debug level")
log.Debugf("Subscription expiry time: %d", config.SubscriptionExpirySecs)
}
log := log.WithField("JobService", "Startup")
grpcServer := grpcCommon.CreateGrpcServer(
config.Grpc.KeepaliveParams,
config.Grpc.KeepaliveEnforcementPolicy,
[]auth.AuthService{&auth.AnonymousAuthService{}},
config.Grpc.Tls,
)
err, sqlJobRepo, dbCallbackFn := repository.NewSQLJobService(config, log)
if err != nil {
panic(err)
}
defer dbCallbackFn()
sqlJobRepo.Setup(ctx)
jobService := server.NewJobService(config, sqlJobRepo)
js.RegisterJobServiceServer(grpcServer, jobService)
lc := net.ListenConfig{}
lis, err := lc.Listen(ctx, "tcp", fmt.Sprintf(":%d", config.GrpcPort))
if err != nil {
return err
}
connFactory := func(ctx context.Context) (*grpc.ClientConn, error) {
return client.CreateApiConnection(&config.ApiConnection)
}
// Start a pool
evConnPool, err := grpcpool.NewWithContext(ctx, connFactory,
config.GrpcPool.InitialConnections,
config.GrpcPool.Capacity,
0)
if err != nil {
return err
}
g.Go(func() error {
eventClient := events.NewPooledEventClient(evConnPool)
// Runs continuously until ctx is canceled or it runs into an unrecoverable error
jobSubExecutor := eventstojobs.NewJobSetSubscriptionExecutor(
ctx,
eventClient,
sqlJobRepo,
jobService.GetNewSubscriptionChannel(),
time.Duration(config.SubscriptionExpirySecs)*time.Second)
jobSubExecutor.Manage()
return nil
})
g.Go(func() error {
defer log.Infof("stopping server.")
go func() {
select {
case <-ctx.Done():
log.Info("Got context done for grpc server.")
grpcServer.Stop()
}
}()
log.Info("jobservice service listening on ", config.GrpcPort)
if err := grpcServer.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
return nil
})
g.Go(func() error {
sqlJobRepo.PurgeExpiredJobSets(ctx)
return nil
})
if err := g.Wait(); err != nil {
log.Fatalf("error detected on wait %v", err)
return err
}
return nil
}