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package plugin
import (
"reflect"
"testing"
"time"
"github.com/seaweedfs/seaweedfs/weed/pb/plugin_pb"
)
func TestRegistryPickDetectorPrefersMoreFreeSlots(t *testing.T) {
t.Parallel()
r := NewRegistry()
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-a",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "vacuum", CanDetect: true, CanExecute: true, MaxDetectionConcurrency: 2, MaxExecutionConcurrency: 2},
},
})
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-b",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "vacuum", CanDetect: true, CanExecute: true, MaxDetectionConcurrency: 4, MaxExecutionConcurrency: 4},
},
})
r.UpdateHeartbeat("worker-a", &plugin_pb.WorkerHeartbeat{
WorkerId: "worker-a",
DetectionSlotsUsed: 1,
DetectionSlotsTotal: 2,
})
r.UpdateHeartbeat("worker-b", &plugin_pb.WorkerHeartbeat{
WorkerId: "worker-b",
DetectionSlotsUsed: 1,
DetectionSlotsTotal: 4,
})
picked, err := r.PickDetector("vacuum")
if err != nil {
t.Fatalf("PickDetector: %v", err)
}
if picked.WorkerID != "worker-b" {
t.Fatalf("unexpected detector picked: got %s want worker-b", picked.WorkerID)
}
}
func TestRegistryPickExecutorAllowsSameWorker(t *testing.T) {
t.Parallel()
r := NewRegistry()
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-x",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "balance", CanDetect: true, CanExecute: true, MaxDetectionConcurrency: 1, MaxExecutionConcurrency: 1},
},
})
detector, err := r.PickDetector("balance")
if err != nil {
t.Fatalf("PickDetector: %v", err)
}
executor, err := r.PickExecutor("balance")
if err != nil {
t.Fatalf("PickExecutor: %v", err)
}
if detector.WorkerID != "worker-x" || executor.WorkerID != "worker-x" {
t.Fatalf("expected same worker for detect/execute, got detector=%s executor=%s", detector.WorkerID, executor.WorkerID)
}
}
func TestRegistryDetectableJobTypes(t *testing.T) {
t.Parallel()
r := NewRegistry()
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-a",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "vacuum", CanDetect: true, CanExecute: true},
{JobType: "balance", CanDetect: false, CanExecute: true},
},
})
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-b",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "ec", CanDetect: true, CanExecute: false},
{JobType: "vacuum", CanDetect: true, CanExecute: false},
},
})
got := r.DetectableJobTypes()
want := []string{"ec", "vacuum"}
if !reflect.DeepEqual(got, want) {
t.Fatalf("unexpected detectable job types: got=%v want=%v", got, want)
}
}
func TestRegistryJobTypes(t *testing.T) {
t.Parallel()
r := NewRegistry()
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-a",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "vacuum", CanDetect: true},
{JobType: "balance", CanExecute: true},
},
})
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-b",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "ec", CanDetect: true},
},
})
got := r.JobTypes()
want := []string{"balance", "ec", "vacuum"}
if !reflect.DeepEqual(got, want) {
t.Fatalf("unexpected job types: got=%v want=%v", got, want)
}
}
func TestRegistryListExecutorsSortedBySlots(t *testing.T) {
t.Parallel()
r := NewRegistry()
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-a",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "balance", CanExecute: true, MaxExecutionConcurrency: 2},
},
})
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-b",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "balance", CanExecute: true, MaxExecutionConcurrency: 4},
},
})
r.UpdateHeartbeat("worker-a", &plugin_pb.WorkerHeartbeat{
WorkerId: "worker-a",
ExecutionSlotsUsed: 1,
ExecutionSlotsTotal: 2,
})
r.UpdateHeartbeat("worker-b", &plugin_pb.WorkerHeartbeat{
WorkerId: "worker-b",
ExecutionSlotsUsed: 1,
ExecutionSlotsTotal: 4,
})
executors, err := r.ListExecutors("balance")
if err != nil {
t.Fatalf("ListExecutors: %v", err)
}
if len(executors) != 2 {
t.Fatalf("unexpected candidate count: got=%d", len(executors))
}
if executors[0].WorkerID != "worker-b" || executors[1].WorkerID != "worker-a" {
t.Fatalf("unexpected executor order: got=%s,%s", executors[0].WorkerID, executors[1].WorkerID)
}
}
func TestRegistryPickExecutorRoundRobinForTopTie(t *testing.T) {
t.Parallel()
r := NewRegistry()
for _, workerID := range []string{"worker-a", "worker-b", "worker-c"} {
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: workerID,
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "balance", CanExecute: true, MaxExecutionConcurrency: 1},
},
})
}
got := make([]string, 0, 6)
for i := 0; i < 6; i++ {
executor, err := r.PickExecutor("balance")
if err != nil {
t.Fatalf("PickExecutor: %v", err)
}
got = append(got, executor.WorkerID)
}
want := []string{"worker-a", "worker-b", "worker-c", "worker-a", "worker-b", "worker-c"}
if !reflect.DeepEqual(got, want) {
t.Fatalf("unexpected pick order: got=%v want=%v", got, want)
}
}
func TestRegistryListExecutorsRoundRobinForTopTie(t *testing.T) {
t.Parallel()
r := NewRegistry()
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-a",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "balance", CanExecute: true, MaxExecutionConcurrency: 2},
},
})
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-b",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "balance", CanExecute: true, MaxExecutionConcurrency: 2},
},
})
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-c",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "balance", CanExecute: true, MaxExecutionConcurrency: 1},
},
})
r.UpdateHeartbeat("worker-a", &plugin_pb.WorkerHeartbeat{
WorkerId: "worker-a",
ExecutionSlotsUsed: 0,
ExecutionSlotsTotal: 2,
})
r.UpdateHeartbeat("worker-b", &plugin_pb.WorkerHeartbeat{
WorkerId: "worker-b",
ExecutionSlotsUsed: 0,
ExecutionSlotsTotal: 2,
})
r.UpdateHeartbeat("worker-c", &plugin_pb.WorkerHeartbeat{
WorkerId: "worker-c",
ExecutionSlotsUsed: 0,
ExecutionSlotsTotal: 1,
})
firstCall, err := r.ListExecutors("balance")
if err != nil {
t.Fatalf("ListExecutors first call: %v", err)
}
secondCall, err := r.ListExecutors("balance")
if err != nil {
t.Fatalf("ListExecutors second call: %v", err)
}
thirdCall, err := r.ListExecutors("balance")
if err != nil {
t.Fatalf("ListExecutors third call: %v", err)
}
if firstCall[0].WorkerID != "worker-a" || firstCall[1].WorkerID != "worker-b" || firstCall[2].WorkerID != "worker-c" {
t.Fatalf("unexpected first executor order: got=%s,%s,%s", firstCall[0].WorkerID, firstCall[1].WorkerID, firstCall[2].WorkerID)
}
if secondCall[0].WorkerID != "worker-b" || secondCall[1].WorkerID != "worker-a" || secondCall[2].WorkerID != "worker-c" {
t.Fatalf("unexpected second executor order: got=%s,%s,%s", secondCall[0].WorkerID, secondCall[1].WorkerID, secondCall[2].WorkerID)
}
if thirdCall[0].WorkerID != "worker-a" || thirdCall[1].WorkerID != "worker-b" || thirdCall[2].WorkerID != "worker-c" {
t.Fatalf("unexpected third executor order: got=%s,%s,%s", thirdCall[0].WorkerID, thirdCall[1].WorkerID, thirdCall[2].WorkerID)
}
}
func TestRegistrySkipsStaleWorkersForSelectionAndListing(t *testing.T) {
t.Parallel()
r := NewRegistry()
r.staleAfter = 2 * time.Second
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-stale",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "vacuum", CanDetect: true, CanExecute: true},
},
})
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-fresh",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "vacuum", CanDetect: true, CanExecute: true},
},
})
r.mu.Lock()
r.sessions["worker-stale"].LastSeenAt = time.Now().Add(-10 * time.Second)
r.sessions["worker-fresh"].LastSeenAt = time.Now()
r.mu.Unlock()
picked, err := r.PickDetector("vacuum")
if err != nil {
t.Fatalf("PickDetector: %v", err)
}
if picked.WorkerID != "worker-fresh" {
t.Fatalf("unexpected detector: got=%s want=worker-fresh", picked.WorkerID)
}
if _, ok := r.Get("worker-stale"); ok {
t.Fatalf("expected stale worker to be hidden from Get")
}
if _, ok := r.Get("worker-fresh"); !ok {
t.Fatalf("expected fresh worker from Get")
}
listed := r.List()
if len(listed) != 1 || listed[0].WorkerID != "worker-fresh" {
t.Fatalf("unexpected listed workers: %+v", listed)
}
}
func TestRegistryReturnsNoDetectorWhenAllWorkersStale(t *testing.T) {
t.Parallel()
r := NewRegistry()
r.staleAfter = 2 * time.Second
r.UpsertFromHello(&plugin_pb.WorkerHello{
WorkerId: "worker-a",
Capabilities: []*plugin_pb.JobTypeCapability{
{JobType: "vacuum", CanDetect: true},
},
})
r.mu.Lock()
r.sessions["worker-a"].LastSeenAt = time.Now().Add(-10 * time.Second)
r.mu.Unlock()
if _, err := r.PickDetector("vacuum"); err == nil {
t.Fatalf("expected no detector when all workers are stale")
}
}