Golang Client.ConfigMaps方法代碼示例

func loadTemplateData(ns string, templateName string, c *k8sclient.Client, oc *oclient.Client) ([]byte, string, error) {
	typeOfMaster := util.TypeOfMaster(c)
	if typeOfMaster == util.Kubernetes {
		catalogName := "catalog-" + templateName
		configMap, err := c.ConfigMaps(ns).Get(catalogName)
		if err != nil {
			return nil, "", err
		}
		for k, v := range configMap.Data {
			if strings.LastIndex(k, ".json") >= 0 {
				return []byte(v), "json", nil
			}
			if strings.LastIndex(k, ".yml") >= 0 || strings.LastIndex(k, ".yaml") >= 0 {
				return []byte(v), "yaml", nil
			}
		}
		return nil, "", fmt.Errorf("Could not find a key for the catalog %s which ends with `.json` or `.yml`", catalogName)

	} else {
		template, err := oc.Templates(ns).Get(templateName)
		if err != nil {
			return nil, "", err
		}
		data, err := json.Marshal(template)
		return data, "json", err
	}
	return nil, "", nil
}

func validateConfigMaps(c *k8sclient.Client, f *cmdutil.Factory) (Result, error) {
	ns, _, err := f.DefaultNamespace()
	if err != nil {
		return Failure, err
	}
	list, err := c.ConfigMaps(ns).List(api.ListOptions{})
	if err == nil && list != nil {
		return Success, err
	}
	return Failure, err
}

func deleteConfigMaps(c *k8sclient.Client, ns string, selector labels.Selector) error {
	cmps, err := c.ConfigMaps(ns).List(api.ListOptions{LabelSelector: selector})
	if err != nil {
		return err
	}
	for _, cm := range cmps.Items {
		err := c.ConfigMaps(ns).Delete(cm.Name)
		if err != nil {
			return errors.Wrap(err, fmt.Sprintf("failed to delete ConfigMap %s", cm.Name))
		}
	}
	return nil
}

// GetConfigMapDetail returns returns detailed information about a config map
func GetConfigMapDetail(client *client.Client, namespace, name string) (*ConfigMapDetail, error) {
	log.Printf("Getting details of %s config map in %s namespace", name, namespace)

	rawConfigMap, err := client.ConfigMaps(namespace).Get(name)

	if err != nil {
		return nil, err
	}

	return getConfigMapDetail(rawConfigMap), nil
}

func updateExposeControllerConfig(c *k8sclient.Client, ns string, apiserver string, domain string, mini bool, useLoadBalancer bool) {
	// create a populate the exposecontroller config map
	cfgms := c.ConfigMaps(ns)

	_, err := cfgms.Get(exposecontrollerCM)
	if err == nil {
		util.Infof("\nRecreating configmap %s \n", exposecontrollerCM)
		err = cfgms.Delete(exposecontrollerCM)
		if err != nil {
			printError("\nError deleting ConfigMap: "+exposecontrollerCM, err)
		}
	}
	apiserverAndPort := apiserver
	if !strings.Contains(apiserverAndPort, ":") {
		apiserverAndPort = apiserverAndPort + ":8443"
	}

	domainData := "domain: " + domain + "\n"
	exposeData := exposeRule + ": " + defaultExposeRule(c, mini, useLoadBalancer) + "\n"
	apiserverData := "apiserver: " + apiserverAndPort + "\n"
	configFile := map[string]string{
		"config.yml": domainData + exposeData + apiserverData,
	}
	configMap := kapi.ConfigMap{
		ObjectMeta: kapi.ObjectMeta{
			Name: exposecontrollerCM,
			Labels: map[string]string{
				"provider": "fabric8",
			},
		},
		Data: configFile,
	}
	_, err = cfgms.Create(&configMap)
	if err != nil {
		printError("Failed to create ConfigMap: "+exposecontrollerCM, err)
	}
}

func installTemplates(kc *k8sclient.Client, c *oclient.Client, fac *cmdutil.Factory, v string, templateUrl string, dockerRegistry string, arch string, domain string) error {
	ns, _, err := fac.DefaultNamespace()
	if err != nil {
		util.Fatal("No default namespace")
		return err
	}
	templates := c.Templates(ns)

	util.Infof("Downloading templates for version %v\n", v)
	uri := fmt.Sprintf(templateUrl, v)
	resp, err := http.Get(uri)
	if err != nil {
		util.Fatalf("Cannot get fabric8 template to deploy: %v", err)
	}
	defer resp.Body.Close()

	tmpFileName := "/tmp/fabric8-template-distros.tar.gz"
	t, err := os.OpenFile(tmpFileName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0777)
	if err != nil {
		return err
	}
	defer t.Close()

	_, err = io.Copy(t, resp.Body)
	if err != nil {
		return err
	}

	r, err := zip.OpenReader(tmpFileName)
	if err != nil {
		return err
	}
	defer r.Close()

	typeOfMaster := util.TypeOfMaster(kc)

	for _, f := range r.File {
		mode := f.FileHeader.Mode()
		if mode.IsDir() {
			continue
		}

		rc, err := f.Open()
		if err != nil {
			return err
		}
		defer rc.Close()

		util.Infof("Loading template %s\n", f.Name)
		jsonData, err := ioutil.ReadAll(rc)
		if err != nil {
			util.Fatalf("Cannot get fabric8 template to deploy: %v", err)
		}
		jsonData, err = adaptFabric8ImagesInResourceDescriptor(jsonData, dockerRegistry, arch)
		if err != nil {
			util.Fatalf("Cannot append docker registry: %v", err)
		}
		jsonData = replaceDomain(jsonData, domain, ns, typeOfMaster)

		var v1tmpl tapiv1.Template
		err = json.Unmarshal(jsonData, &v1tmpl)
		if err != nil {
			util.Fatalf("Cannot get fabric8 template to deploy: %v", err)
		}

		var tmpl tapi.Template

		err = api.Scheme.Convert(&v1tmpl, &tmpl)
		if err != nil {
			util.Fatalf("Cannot get fabric8 template to deploy: %v", err)
			return err
		}

		name := tmpl.ObjectMeta.Name
		if typeOfMaster == util.Kubernetes {
			appName := name
			name = "catalog-" + appName

			// lets install ConfigMaps for the templates
			// TODO should the name have a prefix?
			configmap := api.ConfigMap{
				ObjectMeta: api.ObjectMeta{
					Name:      name,
					Namespace: ns,
					Labels: map[string]string{
						"name":     appName,
						"provider": "fabric8.io",
						"kind":     "catalog",
					},
				},
				Data: map[string]string{
					name + ".json": string(jsonData),
				},
			}
			configmaps := kc.ConfigMaps(ns)
			_, err = configmaps.Get(name)
			if err == nil {
				err = configmaps.Delete(name)
				if err != nil {
					util.Errorf("Could not delete configmap %s due to: %v\n", name, err)
//.........這裏部分代碼省略.........

func DoTestConfigMap(t *testing.T, client *client.Client) {
	ns := "ns"
	cfg := api.ConfigMap{
		ObjectMeta: api.ObjectMeta{
			Name:      "configmap",
			Namespace: ns,
		},
		Data: map[string]string{
			"data-1": "value-1",
			"data-2": "value-2",
			"data-3": "value-3",
		},
	}

	if _, err := client.ConfigMaps(cfg.Namespace).Create(&cfg); err != nil {
		t.Errorf("unable to create test configMap: %v", err)
	}
	defer deleteConfigMapOrErrorf(t, client, cfg.Namespace, cfg.Name)

	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			Name: "XXX",
		},
		Spec: api.PodSpec{
			Containers: []api.Container{
				{
					Name:  "fake-name",
					Image: "fakeimage",
					Env: []api.EnvVar{
						{
							Name: "CONFIG_DATA_1",
							ValueFrom: &api.EnvVarSource{
								ConfigMapKeyRef: &api.ConfigMapKeySelector{
									LocalObjectReference: api.LocalObjectReference{
										Name: "configmap",
									},
									Key: "data-1",
								},
							},
						},
						{
							Name: "CONFIG_DATA_2",
							ValueFrom: &api.EnvVarSource{
								ConfigMapKeyRef: &api.ConfigMapKeySelector{
									LocalObjectReference: api.LocalObjectReference{
										Name: "configmap",
									},
									Key: "data-2",
								},
							},
						}, {
							Name: "CONFIG_DATA_3",
							ValueFrom: &api.EnvVarSource{
								ConfigMapKeyRef: &api.ConfigMapKeySelector{
									LocalObjectReference: api.LocalObjectReference{
										Name: "configmap",
									},
									Key: "data-3",
								},
							},
						},
					},
				},
			},
		},
	}

	pod.ObjectMeta.Name = "uses-configmap"
	if _, err := client.Pods(ns).Create(pod); err != nil {
		t.Errorf("Failed to create pod: %v", err)
	}
	defer deletePodOrErrorf(t, client, ns, pod.Name)
}

func deleteConfigMapOrErrorf(t *testing.T, c *client.Client, ns, name string) {
	if err := c.ConfigMaps(ns).Delete(name); err != nil {
		t.Errorf("unable to delete ConfigMap %v: %v", name, err)
	}
}

func mapWatchFunc(c *client.Client, ns string) func(options api.ListOptions) (watch.Interface, error) {
	return func(options api.ListOptions) (watch.Interface, error) {
		return c.ConfigMaps(ns).Watch(options)
	}
}

func mapListFunc(c *client.Client, ns string) func(api.ListOptions) (runtime.Object, error) {
	return func(opts api.ListOptions) (runtime.Object, error) {
		return c.ConfigMaps(ns).List(opts)
	}
}

			By("Generate event list options")
			selector := fields.Set{
				"involvedObject.kind":      "Node",
				"involvedObject.name":      node.Name,
				"involvedObject.namespace": api.NamespaceAll,
				"source":                   source,
			}.AsSelector()
			eventListOptions = api.ListOptions{FieldSelector: selector}
			By("Create the test log file")
			tmpDir = "/tmp/" + name
			cmd := fmt.Sprintf("mkdir %s; > %s/%s", tmpDir, tmpDir, logFile)
			Expect(framework.IssueSSHCommand(cmd, framework.TestContext.Provider, node)).To(Succeed())
			By("Create config map for the node problem detector")
			_, err = c.ConfigMaps(ns).Create(&api.ConfigMap{
				ObjectMeta: api.ObjectMeta{
					Name: configName,
				},
				Data: map[string]string{configFile: config},
			})
			Expect(err).NotTo(HaveOccurred())
			By("Create the node problem detector")
			_, err = c.Pods(ns).Create(&api.Pod{
				ObjectMeta: api.ObjectMeta{
					Name: name,
				},
				Spec: api.PodSpec{
					NodeName:        node.Name,
					SecurityContext: &api.PodSecurityContext{HostNetwork: true},
					Volumes: []api.Volume{
						{
							Name: configVolume,
							VolumeSource: api.VolumeSource{

//.........這裏部分代碼省略.........
		if len(name) <= 0 {
			template = false
			name = f.Name
			idx := strings.LastIndex(name, "/")
			if idx > 0 {
				name = name[idx+1:]
			}
			idx = strings.Index(name, ".")
			if idx > 0 {
				name = name[0:idx]
			}

		}
		if typeOfMaster == util.Kubernetes {
			appName := name
			name = "catalog-" + appName

			// lets install ConfigMaps for the templates
			// TODO should the name have a prefix?
			configmap := api.ConfigMap{
				ObjectMeta: api.ObjectMeta{
					Name:      name,
					Namespace: ns,
					Labels: map[string]string{
						"name":     appName,
						"provider": "fabric8.io",
						"kind":     "catalog",
					},
				},
				Data: map[string]string{
					name + configMapKeySuffix: string(jsonData),
				},
			}
			configmaps := kc.ConfigMaps(ns)
			_, err = configmaps.Get(name)
			if err == nil {
				err = configmaps.Delete(name)
				if err != nil {
					util.Errorf("Could not delete configmap %s due to: %v\n", name, err)
				}
			}
			_, err = configmaps.Create(&configmap)
			if err != nil {
				util.Fatalf("Failed to create configmap %v", err)
				return err
			}
		} else {
			if !template {
				templateName := name
				var v1List v1.List
				if configMapKeySuffix == ".json" {
					err = json.Unmarshal(jsonData, &v1List)
				} else {
					err = yaml.Unmarshal(jsonData, &v1List)
				}
				if err != nil {
					util.Fatalf("Cannot unmarshal List %s to deploy. error: %v\ntemplate: %s", templateName, err, string(jsonData))
				}
				if len(v1List.Items) == 0 {
					// lets check if its an RC / ReplicaSet or something
					_, groupVersionKind, err := api.Codecs.UniversalDeserializer().Decode(jsonData, nil, nil)
					if err != nil {
						printResult(templateName, Failure, err)
					} else {
						kind := groupVersionKind.Kind
						util.Infof("Processing resource of kind: %s version: %s\n", kind, groupVersionKind.Version)