/
spinnakerservice_controller.go
149 lines (134 loc) · 5.66 KB
/
spinnakerservice_controller.go
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package spinnakerservice
import (
"context"
"fmt"
"github.com/armory/spinnaker-operator/pkg/apis/spinnaker/interfaces"
"github.com/armory/spinnaker-operator/pkg/deploy"
"github.com/armory/spinnaker-operator/pkg/deploy/spindeploy"
"github.com/armory/spinnaker-operator/pkg/halyard"
"github.com/armory/spinnaker-operator/pkg/secrets"
"github.com/armory/spinnaker-operator/pkg/util"
"github.com/go-logr/logr"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/record"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/source"
)
var (
log = logf.Log.WithName("spinnakerservice")
TypesFactory interfaces.TypesFactory
DeployerGenerators = []deployerGenerator{spindeploy.NewDeployer}
)
// Add creates a new SpinnakerService Controller and adds it to the Manager. The Manager will set fields on the Controller
// and Start it when the Manager is Started.
func Add(mgr manager.Manager) error {
return add(mgr, newReconciler(mgr))
}
type deployerGenerator func(m deploy.ManifestGenerator, mgr manager.Manager, clientset *kubernetes.Clientset, logger logr.Logger) deploy.Deployer
// newReconciler returns a new reconcile.Reconciler
func newReconciler(mgr manager.Manager) reconcile.Reconciler {
h := halyard.NewService()
rawClient := kubernetes.NewForConfigOrDie(mgr.GetConfig())
deps := make([]deploy.Deployer, 0)
for _, g := range DeployerGenerators {
deps = append(deps, g(h, mgr, rawClient, log))
}
return &ReconcileSpinnakerService{
client: mgr.GetClient(),
restConfig: mgr.GetConfig(),
scheme: mgr.GetScheme(),
deployers: deps,
evtRecorder: mgr.GetEventRecorderFor("spinnaker-controller"),
}
}
// add adds a new Controller to mgr with r as the reconcile.Reconciler
func add(mgr manager.Manager, r reconcile.Reconciler) error {
// Create a new controller
c, err := controller.New("spinnakerservice-controller", mgr, controller.Options{Reconciler: r})
if err != nil {
return err
}
// Watch for changes to primary resource SpinnakerService
err = c.Watch(&source.Kind{Type: TypesFactory.NewService()}, &handler.EnqueueRequestForObject{})
if err != nil {
return err
}
// Watch for potential object owned by SpinnakerService
err = c.Watch(&source.Kind{Type: &appsv1.Deployment{}}, &handler.EnqueueRequestForOwner{
IsController: true,
OwnerType: TypesFactory.NewService(),
})
if err != nil {
return err
}
return c.Watch(&source.Kind{Type: &corev1.Service{}}, &handler.EnqueueRequestForOwner{
IsController: true,
OwnerType: TypesFactory.NewService(),
})
}
// blank assignment to verify that ReconcileSpinnakerService implements reconcile.Reconciler
var _ reconcile.Reconciler = &ReconcileSpinnakerService{}
// ReconcileSpinnakerService reconciles a SpinnakerService object
type ReconcileSpinnakerService struct {
// This client, initialized using mgr.Client() above, is a split client
// that reads objects from the cache and writes to the apiserver
client client.Client
restConfig *rest.Config
scheme *runtime.Scheme
deployers []deploy.Deployer
evtRecorder record.EventRecorder
}
// Reconcile reads that state of the cluster for a SpinnakerService object and makes changes based on the state read
// and what is in the SpinnakerService.Spec
// Note:
// The Controller will requeue the Request to be processed again if the returned error is non-nil or
// Result.Requeue is true, otherwise upon completion it will remove the work from the queue.
func (r *ReconcileSpinnakerService) Reconcile(ctx context.Context, request reconcile.Request) (reconcile.Result, error) {
reqLogger := log.WithValues("Request.Namespace", request.Namespace, "Request.Name", request.Name)
reqLogger.Info("reconciling SpinnakerService")
// Fetch the SpinnakerService instance
instance := TypesFactory.NewService()
defer secrets.Cleanup(ctx)
err := r.client.Get(ctx, request.NamespacedName, instance)
if err != nil {
if errors.IsNotFound(err) {
// Request object not found, could have been deleted after reconcile request.
// Owned objects are automatically garbage collected. For additional cleanup logic use finalizers.
// Return and don't requeue
return reconcile.Result{}, nil
}
// Error reading the object - requeue the request.
return reconcile.Result{}, err
}
r.evtRecorder.Eventf(instance, corev1.EventTypeNormal, "DeployStart", "New configuration detected")
// Check if we need to redeploy
for _, d := range r.deployers {
reqLogger.Info(fmt.Sprintf("checking %s deployment", d.GetName()))
b, err := d.Deploy(ctx, instance, r.scheme)
if err != nil {
r.evtRecorder.Eventf(instance, corev1.EventTypeWarning, "DeployError", "Error deploying spinnaker: %s", err.Error())
return reconcile.Result{}, err
}
if b {
r.evtRecorder.Eventf(instance, corev1.EventTypeNormal, "DeployRequeued", "Requeued for further processing")
return reconcile.Result{Requeue: true}, nil
}
}
sc := newStatusChecker(r.client, reqLogger, TypesFactory, r.evtRecorder, util.NewK8sLookup(r.client))
if err = sc.checks(instance); err != nil {
r.evtRecorder.Eventf(instance, corev1.EventTypeWarning, "StatusError", "Error updating SpinnakerService status: %s", err.Error())
return reconcile.Result{}, err
}
r.evtRecorder.Eventf(instance, corev1.EventTypeNormal, "DeploySuccess", "Spinnaker updated")
return reconcile.Result{}, nil
}