Golang Template.Parameters方法代码示例

// AddParameter adds new custom parameter to the Template. It overrides
// the existing parameter, if already defined.
func AddParameter(t *api.Template, param api.Parameter) {
	if existing := GetParameterByName(t, param.Name); existing != nil {
		*existing = param
	} else {
		t.Parameters = append(t.Parameters, param)
	}
}

func autoConvert_v1_Template_To_api_Template(in *Template, out *template_api.Template, s conversion.Scope) error {
	if err := api.Convert_unversioned_TypeMeta_To_unversioned_TypeMeta(&in.TypeMeta, &out.TypeMeta, s); err != nil {
		return err
	}
	if err := api_v1.Convert_v1_ObjectMeta_To_api_ObjectMeta(&in.ObjectMeta, &out.ObjectMeta, s); err != nil {
		return err
	}
	out.Message = in.Message
	if in.Objects != nil {
		in, out := &in.Objects, &out.Objects
		*out = make([]runtime.Object, len(*in))
		for i := range *in {
			if err := runtime.Convert_runtime_RawExtension_To_runtime_Object(&(*in)[i], &(*out)[i], s); err != nil {
				return err
			}
		}
	} else {
		out.Objects = nil
	}
	if in.Parameters != nil {
		in, out := &in.Parameters, &out.Parameters
		*out = make([]template_api.Parameter, len(*in))
		for i := range *in {
			if err := Convert_v1_Parameter_To_api_Parameter(&(*in)[i], &(*out)[i], s); err != nil {
				return err
			}
		}
	} else {
		out.Parameters = nil
	}
	out.ObjectLabels = in.ObjectLabels
	return nil
}

func processTemplate(tmpl *tapi.Template, domain string, apiserver string) {
	generators := map[string]generator.Generator{
		"expression": generator.NewExpressionValueGenerator(rand.New(rand.NewSource(time.Now().UnixNano()))),
	}
	p := template.NewProcessor(generators)

	tmpl.Parameters = append(tmpl.Parameters, tapi.Parameter{
		Name:  "DOMAIN",
		Value: domain,
	}, tapi.Parameter{
		Name:  "APISERVER",
		Value: apiserver,
	})

	errorList := p.Process(tmpl)
	for _, errInfo := range errorList {
		util.Errorf("Processing template field %s got error %s\n", errInfo.Field, errInfo.Detail)
	}
}

func processTemplate(tmpl *tapi.Template, ns string, domain string, apiserver string) {
	generators := map[string]generator.Generator{
		"expression": generator.NewExpressionValueGenerator(rand.New(rand.NewSource(time.Now().UnixNano()))),
	}
	p := template.NewProcessor(generators)

	ip, port, err := net.SplitHostPort(apiserver)
	if err != nil && !strings.Contains(err.Error(), "missing port in address") {
		util.Fatalf("%s", err)
	}

	namespaceIdx := -1
	for i, param := range tmpl.Parameters {
		if param.Name == "NAMESPACE" {
			namespaceIdx = i
		}
	}
	if namespaceIdx >= 0 {
		tmpl.Parameters[namespaceIdx].Value = ns
	}
	tmpl.Parameters = append(tmpl.Parameters, tapi.Parameter{
		Name:  "DOMAIN",
		Value: ns + "." + domain,
	}, tapi.Parameter{
		Name:  "APISERVER",
		Value: ip,
	}, tapi.Parameter{
		Name:  "OAUTH_AUTHORIZE_PORT",
		Value: port,
	})

	errorList := p.Process(tmpl)
	for _, errInfo := range errorList {
		util.Errorf("Processing template field %s got error %s\n", errInfo.Field, errInfo.Detail)
	}
}

func createTemplate(jsonData []byte, templateName string, ns string, domain string, apiserver string, c *k8sclient.Client) {
	var v1tmpl tapiv1.Template
	err := json.Unmarshal(jsonData, &v1tmpl)
	if err != nil {
		util.Fatalf("Cannot get %s template to deploy. error: %v\ntemplate: %s", templateName, err, string(jsonData))
	}
	var tmpl tapi.Template

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

	generators := map[string]generator.Generator{
		"expression": generator.NewExpressionValueGenerator(rand.New(rand.NewSource(time.Now().UnixNano()))),
	}
	p := template.NewProcessor(generators)

	tmpl.Parameters = append(tmpl.Parameters, tapi.Parameter{
		Name:  "DOMAIN",
		Value: domain,
	}, tapi.Parameter{
		Name:  "APISERVER",
		Value: apiserver,
	})

	p.Process(&tmpl)

	objectCount := len(tmpl.Objects)

	if objectCount == 0 {
		// can't be a template so lets try just process it directly
		var v1List v1.List
		err = json.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)
				if len(kind) <= 0 {
					printResult(templateName, Failure, fmt.Errorf("Could not find kind from json %s", string(jsonData)))
				} else {
					processResource(c, jsonData, ns, kind)
				}
			}
		} else {
			var kubeList api.List
			err = api.Scheme.Convert(&v1List, &kubeList)
			if err != nil {
				util.Fatalf("Cannot convert %s List to deploy: %v", templateName, err)
			}

			util.Infof("Converted json to list with %d items with json %s\n", len(kubeList.Items), string(jsonData))

			util.Infof("Creating "+templateName+" list resources from %d objects\n", len(kubeList.Items))
			for _, o := range kubeList.Items {
				err = processItem(c, &o, ns)
			}
		}

	} else {
		util.Infof("Creating "+templateName+" template resources from %d objects\n", objectCount)
		for _, o := range tmpl.Objects {
			err = processItem(c, &o, ns)
		}
	}

	if err != nil {
		printResult(templateName, Failure, err)
	} else {
		printResult(templateName, Success, nil)
	}
}

func NewCmdDeploy(f *cmdutil.Factory) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "deploy",
		Short: "Deploy fabric8 to your Kubernetes or OpenShift environment",
		Long:  `deploy fabric8 to your Kubernetes or OpenShift environment`,
		PreRun: func(cmd *cobra.Command, args []string) {
			showBanner()
		},
		Run: func(cmd *cobra.Command, args []string) {
			c, cfg := client.NewClient(f)
			ns, _, _ := f.DefaultNamespace()
			util.Info("Deploying fabric8 to your ")
			util.Success(string(util.TypeOfMaster(c)))
			util.Info(" installation at ")
			util.Success(cfg.Host)
			util.Info(" in namespace ")
			util.Successf("%s\n\n", ns)

			if confirmAction(cmd.Flags()) {
				v := cmd.Flags().Lookup("version").Value.String()

				typeOfMaster := util.TypeOfMaster(c)
				v = f8Version(v, typeOfMaster)

				versioniPaaS := cmd.Flags().Lookup(versioniPaaSFlag).Value.String()
				versioniPaaS = versionForUrl(versioniPaaS, iPaaSMetadataUrl)

				util.Warnf("\nStarting deployment of %s...\n\n", v)

				if typeOfMaster == util.Kubernetes {
					uri := fmt.Sprintf(baseConsoleKubernetesUrl, v)
					filenames := []string{uri}

					createCmd := cobra.Command{}
					createCmd.Flags().StringSlice("filename", filenames, "")
					err := kcmd.RunCreate(f, &createCmd, ioutil.Discard)
					if err != nil {
						printResult("fabric8 console", Failure, err)
					} else {
						printResult("fabric8 console", Success, nil)
					}
				} else {
					oc, _ := client.NewOpenShiftClient(cfg)

					r, err := verifyRestrictedSecurityContextConstraints(c, f)
					printResult("SecurityContextConstraints restricted", r, err)
					r, err = deployFabric8SecurityContextConstraints(c, f, ns)
					printResult("SecurityContextConstraints fabric8", r, err)

					printAddClusterRoleToUser(oc, f, "cluster-admin", "system:serviceaccount:"+ns+":fabric8")
					printAddClusterRoleToUser(oc, f, "cluster-admin", "system:serviceaccount:"+ns+":jenkins")
					printAddClusterRoleToUser(oc, f, "cluster-reader", "system:serviceaccount:"+ns+":metrics")

					printAddServiceAccount(c, f, "metrics")
					printAddServiceAccount(c, f, "router")

					if cmd.Flags().Lookup(templatesFlag).Value.String() == "true" {
						uri := fmt.Sprintf(baseConsoleUrl, v)
						resp, err := http.Get(uri)
						if err != nil {
							util.Fatalf("Cannot get fabric8 template to deploy: %v", err)
						}
						defer resp.Body.Close()
						jsonData, err := ioutil.ReadAll(resp.Body)
						if err != nil {
							util.Fatalf("Cannot get fabric8 template to deploy: %v", err)
						}
						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)
						}

						generators := map[string]generator.Generator{
							"expression": generator.NewExpressionValueGenerator(rand.New(rand.NewSource(time.Now().UnixNano()))),
						}
						p := template.NewProcessor(generators)

						tmpl.Parameters = append(tmpl.Parameters, tapi.Parameter{
							Name:  "DOMAIN",
							Value: cmd.Flags().Lookup("domain").Value.String(),
						})

						p.Process(&tmpl)

						for _, o := range tmpl.Objects {
							switch o := o.(type) {
							case *runtime.Unstructured:
								var b []byte
								b, err = json.Marshal(o.Object)
								if err != nil {
									break
								}
								req := c.Post().Body(b)
//.........这里部分代码省略.........