add service mesh controller

add service mesh metrics

remove unused circle yaml

fix travis misconfiguration

fix travis misconfiguration

fix travis misconfiguration

vendor/sigs.k8s.io/controller-runtime/pkg/controller/controller.go

@@ -0,0 +1,94 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package controller
+
+import (
+	"fmt"
+
+	"k8s.io/client-go/util/workqueue"
+	"sigs.k8s.io/controller-runtime/pkg/handler"
+	"sigs.k8s.io/controller-runtime/pkg/internal/controller"
+	"sigs.k8s.io/controller-runtime/pkg/manager"
+	"sigs.k8s.io/controller-runtime/pkg/predicate"
+	"sigs.k8s.io/controller-runtime/pkg/reconcile"
+	"sigs.k8s.io/controller-runtime/pkg/source"
+)
+
+// Options are the arguments for creating a new Controller
+type Options struct {
+	// MaxConcurrentReconciles is the maximum number of concurrent Reconciles which can be run. Defaults to 1.
+	MaxConcurrentReconciles int
+
+	// Reconciler reconciles an object
+	Reconciler reconcile.Reconciler
+}
+
+// Controller implements a Kubernetes API.  A Controller manages a work queue fed reconcile.Requests
+// from source.Sources.  Work is performed through the reconcile.Reconciler for each enqueued item.
+// Work typically is reads and writes Kubernetes objects to make the system state match the state specified
+// in the object Spec.
+type Controller interface {
+	// Reconciler is called to Reconciler an object by Namespace/Name
+	reconcile.Reconciler
+
+	// Watch takes events provided by a Source and uses the EventHandler to enqueue reconcile.Requests in
+	// response to the events.
+	//
+	// Watch may be provided one or more Predicates to filter events before they are given to the EventHandler.
+	// Events will be passed to the EventHandler iff all provided Predicates evaluate to true.
+	Watch(src source.Source, eventhandler handler.EventHandler, predicates ...predicate.Predicate) error
+
+	// Start starts the controller.  Start blocks until stop is closed or a controller has an error starting.
+	Start(stop <-chan struct{}) error
+}
+
+// New returns a new Controller registered with the Manager.  The Manager will ensure that shared Caches have
+// been synced before the Controller is Started.
+func New(name string, mgr manager.Manager, options Options) (Controller, error) {
+	if options.Reconciler == nil {
+		return nil, fmt.Errorf("must specify Reconciler")
+	}
+
+	if len(name) == 0 {
+		return nil, fmt.Errorf("must specify Name for Controller")
+	}
+
+	if options.MaxConcurrentReconciles <= 0 {
+		options.MaxConcurrentReconciles = 1
+	}
+
+	// Inject dependencies into Reconciler
+	if err := mgr.SetFields(options.Reconciler); err != nil {
+		return nil, err
+	}
+
+	// Create controller with dependencies set
+	c := &controller.Controller{
+		Do:       options.Reconciler,
+		Cache:    mgr.GetCache(),
+		Config:   mgr.GetConfig(),
+		Scheme:   mgr.GetScheme(),
+		Client:   mgr.GetClient(),
+		Recorder: mgr.GetRecorder(name),
+		Queue:    workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), name),
+		MaxConcurrentReconciles: options.MaxConcurrentReconciles,
+		Name: name,
+	}
+
+	// Add the controller as a Manager components
+	return c, mgr.Add(c)
+}