mirror of https://github.com/status-im/consul.git
410 lines
11 KiB
Go
410 lines
11 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: BUSL-1.1
|
|
|
|
package controller_test
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
svctest "github.com/hashicorp/consul/agent/grpc-external/services/resource/testing"
|
|
"github.com/hashicorp/consul/internal/controller"
|
|
"github.com/hashicorp/consul/internal/resource/demo"
|
|
"github.com/hashicorp/consul/proto-public/pbresource"
|
|
"github.com/hashicorp/consul/proto/private/prototest"
|
|
"github.com/hashicorp/consul/sdk/testutil"
|
|
)
|
|
|
|
func TestController_API(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
rec := newTestReconciler()
|
|
client := svctest.NewResourceServiceBuilder().
|
|
WithRegisterFns(demo.RegisterTypes).
|
|
Run(t)
|
|
|
|
concertsChan := make(chan controller.Event)
|
|
defer close(concertsChan)
|
|
concertSource := &controller.Source{Source: concertsChan}
|
|
concertMapper := func(ctx context.Context, rt controller.Runtime, event controller.Event) ([]controller.Request, error) {
|
|
artistID := event.Obj.(*Concert).artistID
|
|
var requests []controller.Request
|
|
requests = append(requests, controller.Request{ID: artistID})
|
|
return requests, nil
|
|
}
|
|
|
|
ctrl := controller.
|
|
ForType(demo.TypeV2Artist).
|
|
WithWatch(demo.TypeV2Album, controller.MapOwner).
|
|
WithCustomWatch(concertSource, concertMapper).
|
|
WithBackoff(10*time.Millisecond, 100*time.Millisecond).
|
|
WithReconciler(rec)
|
|
|
|
mgr := controller.NewManager(client, testutil.Logger(t))
|
|
mgr.Register(ctrl)
|
|
mgr.SetRaftLeader(true)
|
|
go mgr.Run(testContext(t))
|
|
|
|
t.Run("managed resource type", func(t *testing.T) {
|
|
res, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
})
|
|
|
|
t.Run("watched resource type", func(t *testing.T) {
|
|
res, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
|
|
rec.expectNoRequest(t, 500*time.Millisecond)
|
|
|
|
album, err := demo.GenerateV2Album(rsp.Resource.Id)
|
|
require.NoError(t, err)
|
|
|
|
_, err = client.Write(testContext(t), &pbresource.WriteRequest{Resource: album})
|
|
require.NoError(t, err)
|
|
|
|
req = rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
})
|
|
|
|
t.Run("custom watched resource type", func(t *testing.T) {
|
|
res, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
|
|
rec.expectNoRequest(t, 500*time.Millisecond)
|
|
|
|
concertsChan <- controller.Event{Obj: &Concert{name: "test-concert", artistID: rsp.Resource.Id}}
|
|
|
|
watchedReq := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, req.ID, watchedReq.ID)
|
|
|
|
otherArtist, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
concertsChan <- controller.Event{Obj: &Concert{name: "test-concert", artistID: otherArtist.Id}}
|
|
|
|
watchedReq = rec.wait(t)
|
|
prototest.AssertDeepEqual(t, otherArtist.Id, watchedReq.ID)
|
|
})
|
|
|
|
t.Run("error retries", func(t *testing.T) {
|
|
rec.failNext(errors.New("KABOOM"))
|
|
|
|
res, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
|
|
// Reconciler should be called with the same request again.
|
|
req = rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
})
|
|
|
|
t.Run("panic retries", func(t *testing.T) {
|
|
rec.panicNext("KABOOM")
|
|
|
|
res, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
|
|
// Reconciler should be called with the same request again.
|
|
req = rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
})
|
|
|
|
t.Run("defer", func(t *testing.T) {
|
|
rec.failNext(controller.RequeueAfter(1 * time.Second))
|
|
|
|
res, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
|
|
rec.expectNoRequest(t, 750*time.Millisecond)
|
|
|
|
req = rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
})
|
|
}
|
|
|
|
func TestController_Placement(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
t.Run("singleton", func(t *testing.T) {
|
|
rec := newTestReconciler()
|
|
client := svctest.NewResourceServiceBuilder().
|
|
WithRegisterFns(demo.RegisterTypes).
|
|
Run(t)
|
|
|
|
ctrl := controller.
|
|
ForType(demo.TypeV2Artist).
|
|
WithWatch(demo.TypeV2Album, controller.MapOwner).
|
|
WithPlacement(controller.PlacementSingleton).
|
|
WithReconciler(rec)
|
|
|
|
mgr := controller.NewManager(client, testutil.Logger(t))
|
|
mgr.Register(ctrl)
|
|
go mgr.Run(testContext(t))
|
|
|
|
res, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
// Reconciler should not be called until we're the Raft leader.
|
|
_, err = client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
rec.expectNoRequest(t, 500*time.Millisecond)
|
|
|
|
// Become the leader and check the reconciler is called.
|
|
mgr.SetRaftLeader(true)
|
|
_ = rec.wait(t)
|
|
|
|
// Should not be called after losing leadership.
|
|
mgr.SetRaftLeader(false)
|
|
_, err = client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
rec.expectNoRequest(t, 500*time.Millisecond)
|
|
})
|
|
|
|
t.Run("each server", func(t *testing.T) {
|
|
rec := newTestReconciler()
|
|
client := svctest.NewResourceServiceBuilder().
|
|
WithRegisterFns(demo.RegisterTypes).
|
|
Run(t)
|
|
|
|
ctrl := controller.
|
|
ForType(demo.TypeV2Artist).
|
|
WithWatch(demo.TypeV2Album, controller.MapOwner).
|
|
WithPlacement(controller.PlacementEachServer).
|
|
WithReconciler(rec)
|
|
|
|
mgr := controller.NewManager(client, testutil.Logger(t))
|
|
mgr.Register(ctrl)
|
|
go mgr.Run(testContext(t))
|
|
|
|
res, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
// Reconciler should be called even though we're not the Raft leader.
|
|
_, err = client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
_ = rec.wait(t)
|
|
})
|
|
}
|
|
|
|
func TestController_String(t *testing.T) {
|
|
ctrl := controller.
|
|
ForType(demo.TypeV2Artist).
|
|
WithWatch(demo.TypeV2Album, controller.MapOwner).
|
|
WithBackoff(5*time.Second, 1*time.Hour).
|
|
WithPlacement(controller.PlacementEachServer)
|
|
|
|
require.Equal(t,
|
|
`<Controller managed_type="demo.v2.Artist", watched_types=["demo.v2.Album"], backoff=<base="5s", max="1h0m0s">, placement="each-server">`,
|
|
ctrl.String(),
|
|
)
|
|
}
|
|
|
|
func TestController_NoReconciler(t *testing.T) {
|
|
client := svctest.NewResourceServiceBuilder().
|
|
WithRegisterFns(demo.RegisterTypes).
|
|
Run(t)
|
|
|
|
mgr := controller.NewManager(client, testutil.Logger(t))
|
|
|
|
ctrl := controller.ForType(demo.TypeV2Artist)
|
|
require.PanicsWithValue(t,
|
|
`cannot register controller without a reconciler <Controller managed_type="demo.v2.Artist", watched_types=[], backoff=<base="5ms", max="16m40s">, placement="singleton">`,
|
|
func() { mgr.Register(ctrl) })
|
|
}
|
|
|
|
func TestController_Watch(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
t.Run("partitioned scoped resources", func(t *testing.T) {
|
|
rec := newTestReconciler()
|
|
|
|
client := svctest.NewResourceServiceBuilder().
|
|
WithRegisterFns(demo.RegisterTypes).
|
|
Run(t)
|
|
|
|
ctrl := controller.
|
|
ForType(demo.TypeV1RecordLabel).
|
|
WithReconciler(rec)
|
|
|
|
mgr := controller.NewManager(client, testutil.Logger(t))
|
|
mgr.SetRaftLeader(true)
|
|
mgr.Register(ctrl)
|
|
|
|
ctx := testContext(t)
|
|
go mgr.Run(ctx)
|
|
|
|
res, err := demo.GenerateV1RecordLabel("test")
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: res})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
})
|
|
|
|
t.Run("cluster scoped resources", func(t *testing.T) {
|
|
rec := newTestReconciler()
|
|
|
|
client := svctest.NewResourceServiceBuilder().
|
|
WithRegisterFns(demo.RegisterTypes).
|
|
Run(t)
|
|
|
|
ctrl := controller.
|
|
ForType(demo.TypeV1Executive).
|
|
WithReconciler(rec)
|
|
|
|
mgr := controller.NewManager(client, testutil.Logger(t))
|
|
mgr.SetRaftLeader(true)
|
|
mgr.Register(ctrl)
|
|
|
|
go mgr.Run(testContext(t))
|
|
|
|
exec, err := demo.GenerateV1Executive("test", "CEO")
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: exec})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
})
|
|
|
|
t.Run("namespace scoped resources", func(t *testing.T) {
|
|
rec := newTestReconciler()
|
|
|
|
client := svctest.NewResourceServiceBuilder().
|
|
WithRegisterFns(demo.RegisterTypes).
|
|
Run(t)
|
|
|
|
ctrl := controller.
|
|
ForType(demo.TypeV2Artist).
|
|
WithReconciler(rec)
|
|
|
|
mgr := controller.NewManager(client, testutil.Logger(t))
|
|
mgr.SetRaftLeader(true)
|
|
mgr.Register(ctrl)
|
|
|
|
go mgr.Run(testContext(t))
|
|
|
|
artist, err := demo.GenerateV2Artist()
|
|
require.NoError(t, err)
|
|
|
|
rsp, err := client.Write(testContext(t), &pbresource.WriteRequest{Resource: artist})
|
|
require.NoError(t, err)
|
|
|
|
req := rec.wait(t)
|
|
prototest.AssertDeepEqual(t, rsp.Resource.Id, req.ID)
|
|
})
|
|
}
|
|
|
|
func newTestReconciler() *testReconciler {
|
|
return &testReconciler{
|
|
calls: make(chan controller.Request),
|
|
errors: make(chan error, 1),
|
|
panics: make(chan any, 1),
|
|
}
|
|
}
|
|
|
|
type testReconciler struct {
|
|
calls chan controller.Request
|
|
errors chan error
|
|
panics chan any
|
|
}
|
|
|
|
func (r *testReconciler) Reconcile(_ context.Context, _ controller.Runtime, req controller.Request) error {
|
|
r.calls <- req
|
|
|
|
select {
|
|
case err := <-r.errors:
|
|
return err
|
|
case p := <-r.panics:
|
|
panic(p)
|
|
default:
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func (r *testReconciler) failNext(err error) { r.errors <- err }
|
|
func (r *testReconciler) panicNext(p any) { r.panics <- p }
|
|
|
|
func (r *testReconciler) expectNoRequest(t *testing.T, duration time.Duration) {
|
|
t.Helper()
|
|
|
|
started := time.Now()
|
|
select {
|
|
case req := <-r.calls:
|
|
t.Fatalf("expected no request for %s, but got: %s after %s", duration, req.ID, time.Since(started))
|
|
case <-time.After(duration):
|
|
}
|
|
}
|
|
|
|
func (r *testReconciler) wait(t *testing.T) controller.Request {
|
|
t.Helper()
|
|
|
|
var req controller.Request
|
|
select {
|
|
case req = <-r.calls:
|
|
case <-time.After(500 * time.Millisecond):
|
|
t.Fatal("Reconcile was not called after 500ms")
|
|
}
|
|
return req
|
|
}
|
|
|
|
func testContext(t *testing.T) context.Context {
|
|
t.Helper()
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
t.Cleanup(cancel)
|
|
|
|
return ctx
|
|
}
|
|
|
|
type Concert struct {
|
|
name string
|
|
artistID *pbresource.ID
|
|
}
|
|
|
|
func (c Concert) Key() string {
|
|
return c.name
|
|
}
|