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event_server.go
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event_server.go
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package main
import (
"context"
"fmt"
"time"
"github.com/gogo/protobuf/types"
"github.com/armadaproject/armada/pkg/api"
)
type PerformanceTestEventServer struct{}
func NewPerformanceTestEventServer() *PerformanceTestEventServer {
return &PerformanceTestEventServer{}
}
func (s *PerformanceTestEventServer) Report(ctx context.Context, message *api.EventMessage) (*types.Empty, error) {
return &types.Empty{}, nil
}
func (s *PerformanceTestEventServer) ReportMultiple(ctx context.Context, message *api.EventList) (*types.Empty, error) {
return &types.Empty{}, nil
}
// GetJobSetEvents streams back all events associated with a particular job set.
func (s *PerformanceTestEventServer) GetJobSetEvents(request *api.JobSetRequest, stream api.Event_GetJobSetEventsServer) error {
// FIXME: Handle case where watch is not True.
return s.serveSimulatedEvents(request, stream)
}
func (s *PerformanceTestEventServer) Health(ctx context.Context, cont_ *types.Empty) (*api.HealthCheckResponse, error) {
return &api.HealthCheckResponse{Status: api.HealthCheckResponse_SERVING}, nil
}
func (s *PerformanceTestEventServer) Watch(req *api.WatchRequest, stream api.Event_WatchServer) error {
request := &api.JobSetRequest{
Id: req.JobSetId,
Watch: true,
FromMessageId: req.FromId,
Queue: req.Queue,
ErrorIfMissing: true,
ForceLegacy: req.ForceLegacy,
ForceNew: req.ForceNew,
}
return s.GetJobSetEvents(request, stream)
}
type scriptedMessage struct {
Delay time.Duration
MessageFunc func(*api.JobSetRequest) *api.EventMessage
}
var messageScript = []*scriptedMessage{
{ // Submitted
Delay: time.Duration(1),
MessageFunc: func(request *api.JobSetRequest) *api.EventMessage {
return &api.EventMessage{
Events: &api.EventMessage_Submitted{
Submitted: &api.JobSubmittedEvent{
JobId: "fake_job_id",
JobSetId: request.Id,
Queue: request.Queue,
Created: time.Now(),
Job: api.Job{
Id: "fake_job_id",
ClientId: "",
Queue: request.Queue,
JobSetId: request.Id,
Namespace: "fakeNamespace",
Created: time.Now(),
},
},
},
}
},
},
{ // Queued
Delay: time.Duration(time.Second * 1),
MessageFunc: func(request *api.JobSetRequest) *api.EventMessage {
return &api.EventMessage{
Events: &api.EventMessage_Queued{
Queued: &api.JobQueuedEvent{
JobId: "fake_job_id",
JobSetId: request.Id,
Queue: request.Queue,
Created: time.Now(),
},
},
}
},
},
{ // Running
Delay: time.Duration(time.Second * 1),
MessageFunc: func(request *api.JobSetRequest) *api.EventMessage {
return &api.EventMessage{
Events: &api.EventMessage_Running{
Running: &api.JobRunningEvent{
JobId: "fake_job_id",
JobSetId: request.Id,
Queue: request.Queue,
Created: time.Now(),
ClusterId: "fakeCluster",
KubernetesId: "fakeK8s",
NodeName: "fakeNode",
PodNumber: 1,
PodName: "fakePod",
PodNamespace: "fakeNamespace",
},
},
}
},
},
{ // Success
Delay: time.Duration(time.Second * 10),
MessageFunc: func(request *api.JobSetRequest) *api.EventMessage {
return &api.EventMessage{
Events: &api.EventMessage_Succeeded{
Succeeded: &api.JobSucceededEvent{
JobId: "fake_job_id",
JobSetId: request.Id,
Queue: request.Queue,
Created: time.Now(),
ClusterId: "fakeCluster",
KubernetesId: "fakeK8s",
NodeName: "fakeNode",
PodNumber: 1,
PodName: "fakePod",
PodNamespace: "fakeNamespace",
},
},
}
},
},
}
func (s *PerformanceTestEventServer) serveSimulatedEvents(request *api.JobSetRequest, stream api.Event_GetJobSetEventsServer) error {
nextId := 1
for _, message := range messageScript {
time.Sleep(message.Delay)
err := stream.Send(&api.EventStreamMessage{
Id: fmt.Sprintf("%d", nextId),
Message: message.MessageFunc(request),
})
if err != nil {
return err
}
nextId += 1
}
// Keep the stream active but don't send anything
time.Sleep(time.Minute * 10)
return nil
}