/
controller.go
66 lines (56 loc) · 1.83 KB
/
controller.go
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package envtest
import (
"context"
"sync"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/rest"
ctrl "sigs.k8s.io/controller-runtime"
ctrlclient "sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/manager"
metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
"github.com/kong/kubernetes-ingress-controller/v3/internal/controllers"
)
// StartReconcilers creates a controller manager and starts the provided reconciler
// as its runnable.
// It also adds a t.Cleanup which waits for the manager to exit so that the test
// can be self contained and logs from different tests' managers don't mix up.
func StartReconcilers(ctx context.Context, t *testing.T, scheme *runtime.Scheme, cfg *rest.Config, reconcilers ...controllers.Reconciler) {
t.Helper()
ctx, logger, logs := CreateTestLogger(ctx)
o := manager.Options{
Logger: logger,
Scheme: scheme,
Metrics: metricsserver.Options{
BindAddress: "0",
},
}
mgr, err := ctrl.NewManager(cfg, o)
require.NoError(t, err)
for _, r := range reconcilers {
r.SetLogger(mgr.GetLogger())
require.NoError(t, r.SetupWithManager(mgr))
}
// This wait group makes it so that we wait for manager to exit.
// This way we get clean test logs not mixing between tests.
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
assert.NoError(t, mgr.Start(ctx))
}()
t.Cleanup(func() {
wg.Wait()
DumpLogsIfTestFailed(t, logs)
})
}
// NewControllerClient returns a new controller-runtime Client for provided runtime.Scheme and rest.Config.
func NewControllerClient(t *testing.T, scheme *runtime.Scheme, cfg *rest.Config) ctrlclient.Client {
client, err := ctrlclient.New(cfg, ctrlclient.Options{
Scheme: scheme,
})
require.NoError(t, err)
return client
}