Golang Client Examples

Golang Client - 30 examples found. These are the top rated real world Golang examples of k8s/io/kubernetes/pkg/client/unversioned.Client extracted from open source projects. You can rate examples to help us improve the quality of examples.
Example #1
0
func addServiceAccount(c *k8sclient.Client, f *cmdutil.Factory, name string) (Result, error) {
	ns, _, e := f.DefaultNamespace()
	if e != nil {
		util.Fatal("No default namespace")
		return Failure, e
	}
	sas := c.ServiceAccounts(ns)
	_, err := sas.Get(name)
	if err != nil {
		sa := kapi.ServiceAccount{
			ObjectMeta: kapi.ObjectMeta{
				Name: name,
				Labels: map[string]string{
					"provider": "fabric8.io",
				},
			},
		}
		_, err = sas.Create(&sa)
	}
	r := Success
	if err != nil {
		r = Failure
	}
	return r, err
}
Example #2
0
func createRunningPod(wg *sync.WaitGroup, c *client.Client, name, ns, image string, labels map[string]string) {
	defer GinkgoRecover()
	defer wg.Done()
	pod := &api.Pod{
		TypeMeta: unversioned.TypeMeta{
			Kind: "Pod",
		},
		ObjectMeta: api.ObjectMeta{
			Name:   name,
			Labels: labels,
		},
		Spec: api.PodSpec{
			Containers: []api.Container{
				{
					Name:  name,
					Image: image,
				},
			},
			DNSPolicy: api.DNSDefault,
		},
	}
	_, err := c.Pods(ns).Create(pod)
	expectNoError(err)
	expectNoError(waitForPodRunningInNamespace(c, name, ns))
}
// StartPods check for numPods in TestNS. If they exist, it no-ops, otherwise it starts up
// a temp rc, scales it to match numPods, then deletes the rc leaving behind the pods.
func StartPods(numPods int, host string, restClient *client.Client) error {
	start := time.Now()
	defer func() {
		glog.Infof("StartPods took %v with numPods %d", time.Since(start), numPods)
	}()
	hostField := fields.OneTermEqualSelector(client.PodHost, host)
	pods, err := restClient.Pods(TestNS).List(labels.Everything(), hostField)
	if err != nil || len(pods.Items) == numPods {
		return err
	}
	glog.Infof("Found %d pods that match host %v, require %d", len(pods.Items), hostField, numPods)
	// For the sake of simplicity, assume all pods in TestNS have selectors matching TestRCManifest.
	controller := RCFromManifest(TestRCManifest)

	// Make the rc unique to the given host.
	controller.Spec.Replicas = numPods
	controller.Spec.Template.Spec.NodeName = host
	controller.Name = controller.Name + host
	controller.Spec.Selector["host"] = host
	controller.Spec.Template.Labels["host"] = host

	if rc, err := StartRC(controller, restClient); err != nil {
		return err
	} else {
		// Delete the rc, otherwise when we restart master components for the next benchmark
		// the rc controller will race with the pods controller in the rc manager.
		return restClient.ReplicationControllers(TestNS).Delete(rc.Name)
	}
}
// Retrieves metrics information.
func getMetrics(c *client.Client) (string, error) {
	body, err := c.Get().AbsPath("/metrics").DoRaw()
	if err != nil {
		return "", err
	}
	return string(body), nil
}
func runServiceAndRCForResourceConsumer(c *client.Client, ns, name string, replicas int, cpuLimitMillis, memLimitMb int64) {
	By(fmt.Sprintf("Running consuming RC %s with %v replicas", name, replicas))
	_, err := c.Services(ns).Create(&api.Service{
		ObjectMeta: api.ObjectMeta{
			Name: name,
		},
		Spec: api.ServiceSpec{
			Ports: []api.ServicePort{{
				Port:       port,
				TargetPort: util.NewIntOrStringFromInt(targetPort),
			}},

			Selector: map[string]string{
				"name": name,
			},
		},
	})
	expectNoError(err)
	config := RCConfig{
		Client:     c,
		Image:      resourceConsumerImage,
		Name:       name,
		Namespace:  ns,
		Timeout:    timeoutRC,
		Replicas:   replicas,
		CpuRequest: cpuLimitMillis,
		CpuLimit:   cpuLimitMillis,
		MemRequest: memLimitMb * 1024 * 1024, // MemLimit is in bytes
		MemLimit:   memLimitMb * 1024 * 1024,
	}
	expectNoError(RunRC(config))
	// Make sure endpoints are propagated.
	// TODO(piosz): replace sleep with endpoints watch.
	time.Sleep(10 * time.Second)
}
func testOne(t *testing.T, client *kclient.Client, namespace, addrType string, success bool) *kapi.Endpoints {
	testEndpoint := &kapi.Endpoints{}
	testEndpoint.GenerateName = "test"
	testEndpoint.Subsets = []kapi.EndpointSubset{
		{
			Addresses: []kapi.EndpointAddress{
				{
					IP: exampleAddresses[addrType],
				},
			},
			Ports: []kapi.EndpointPort{
				{
					Port:     9999,
					Protocol: kapi.ProtocolTCP,
				},
			},
		},
	}

	ep, err := client.Endpoints(namespace).Create(testEndpoint)
	if err != nil && success {
		t.Fatalf("unexpected error creating %s network endpoint: %v", addrType, err)
	} else if err == nil && !success {
		t.Fatalf("unexpected success creating %s network endpoint", addrType)
	}
	return ep
}