Example #1
0
// Attempts to execute an API request
func executeAPIRequest(method string, s *kube_client.Client) bool {
	parseStorage := func() string {
		if len(flag.Args()) != 2 {
			glog.Fatal("usage: kubecfg [OPTIONS] get|list|create|update|delete <url>")
		}
		return strings.Trim(flag.Arg(1), "/")
	}

	verb := ""
	switch method {
	case "get", "list":
		verb = "GET"
	case "delete":
		verb = "DELETE"
	case "create":
		verb = "POST"
	case "update":
		verb = "PUT"
	default:
		return false
	}

	r := s.Verb(verb).
		Path(parseStorage()).
		ParseSelector(*selector)
	if method == "create" || method == "update" {
		r.Body(readConfig(parseStorage()))
	}
	result := r.Do()
	obj, err := result.Get()
	if err != nil {
		glog.Fatalf("Got request error: %v\n", err)
		return false
	}

	var printer kubecfg.ResourcePrinter
	if *json {
		printer = &kubecfg.IdentityPrinter{}
	} else if *yaml {
		printer = &kubecfg.YAMLPrinter{}
	} else {
		printer = &kubecfg.HumanReadablePrinter{}
	}

	if err = printer.PrintObj(obj, os.Stdout); err != nil {
		body, _ := result.Raw()
		glog.Fatalf("Failed to print: %v\nRaw received object:\n%#v\n\nBody received: %v", err, obj, string(body))
	}
	fmt.Print("\n")

	return true
}
Example #2
0
func executeAPIRequest(method string, s *kube_client.Client) bool {
	storage, path, hasSuffix := storagePathFromArg(flag.Arg(1))
	validStorage := checkStorage(storage)
	verb := ""
	setBody := false
	var version uint64
	switch method {
	case "get":
		verb = "GET"
		if !validStorage || !hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>[/<id>]", method, prettyWireStorage())
		}
	case "list":
		verb = "GET"
		if !validStorage || hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>", method, prettyWireStorage())
		}
	case "delete":
		verb = "DELETE"
		if !validStorage || !hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>/<id>", method, prettyWireStorage())
		}
	case "create":
		verb = "POST"
		setBody = true
		if !validStorage || hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>", method, prettyWireStorage())
		}
	case "update":
		obj, err := s.Verb("GET").Path(path).Do().Get()
		if err != nil {
			glog.Fatalf("error obtaining resource version for update: %v", err)
		}
		jsonBase, err := api.FindJSONBase(obj)
		if err != nil {
			glog.Fatalf("error finding json base for update: %v", err)
		}
		version = jsonBase.ResourceVersion()
		verb = "PUT"
		setBody = true
		if !validStorage || !hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>/<id>", method, prettyWireStorage())
		}
	default:
		return false
	}

	r := s.Verb(verb).
		Path(path).
		ParseSelectorParam("labels", *selector)
	if setBody {
		if version != 0 {
			data := readConfig(storage)
			obj, err := api.Decode(data)
			if err != nil {
				glog.Fatalf("error setting resource version: %v", err)
			}
			jsonBase, err := api.FindJSONBase(obj)
			if err != nil {
				glog.Fatalf("error setting resource version: %v", err)
			}
			jsonBase.SetResourceVersion(version)
			data, err = api.Encode(obj)
			if err != nil {
				glog.Fatalf("error setting resource version: %v", err)
			}
			r.Body(data)
		} else {
			r.Body(readConfig(storage))
		}
	}
	result := r.Do()
	obj, err := result.Get()
	if err != nil {
		glog.Fatalf("Got request error: %v\n", err)
		return false
	}

	var printer kubecfg.ResourcePrinter
	switch {
	case *json:
		printer = &kubecfg.IdentityPrinter{}
	case *yaml:
		printer = &kubecfg.YAMLPrinter{}
	case len(*templateFile) > 0 || len(*templateStr) > 0:
		var data []byte
		if len(*templateFile) > 0 {
			var err error
			data, err = ioutil.ReadFile(*templateFile)
			if err != nil {
				glog.Fatalf("Error reading template %s, %v\n", *templateFile, err)
				return false
			}
		} else {
			data = []byte(*templateStr)
		}
		tmpl, err := template.New("output").Parse(string(data))
		if err != nil {
			glog.Fatalf("Error parsing template %s, %v\n", string(data), err)
			return false
		}
		printer = &kubecfg.TemplatePrinter{
			Template: tmpl,
		}
	default:
		printer = &kubecfg.HumanReadablePrinter{}
	}

	if err = printer.PrintObj(obj, os.Stdout); err != nil {
		body, _ := result.Raw()
		glog.Fatalf("Failed to print: %v\nRaw received object:\n%#v\n\nBody received: %v", err, obj, string(body))
	}
	fmt.Print("\n")

	return true
}
Example #3
0
func executeAPIRequest(ctx api.Context, method string, c *client.Client) bool {
	storage, path, hasSuffix := storagePathFromArg(flag.Arg(1))
	validStorage := checkStorage(storage)
	verb := ""
	setBody := false
	var version string

	printer := getPrinter()

	switch method {
	case "get":
		verb = "GET"
		if !validStorage || !hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>[/<id>]", method, prettyWireStorage())
		}
	case "list":
		verb = "GET"
		if !validStorage || hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>", method, prettyWireStorage())
		}
	case "delete":
		verb = "DELETE"
		if !validStorage || !hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>/<id>", method, prettyWireStorage())
		}
	case "create":
		verb = "POST"
		setBody = true
		if !validStorage || hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>", method, prettyWireStorage())
		}
	case "update":
		obj, err := c.Verb("GET").Namespace(api.Namespace(ctx)).Suffix(path).Do().Get()
		if err != nil {
			glog.Fatalf("error obtaining resource version for update: %v", err)
		}
		meta, err := meta.Accessor(obj)
		if err != nil {
			glog.Fatalf("error finding json base for update: %v", err)
		}
		version = meta.ResourceVersion()
		verb = "PUT"
		setBody = true
		if !validStorage || !hasSuffix {
			glog.Fatalf("usage: kubecfg [OPTIONS] %s <%s>/<id>", method, prettyWireStorage())
		}
	case "print":
		data := readConfig(storage, c)
		obj, err := latest.Codec.Decode(data)
		if err != nil {
			glog.Fatalf("error setting resource version: %v", err)
		}
		printer.PrintObj(obj, os.Stdout)
		return true
	default:
		return false
	}

	r := c.Verb(verb).Namespace(api.Namespace(ctx)).Suffix(path)
	if len(*selector) > 0 {
		r.ParseSelectorParam("labels", *selector)
	}
	if len(*fieldSelector) > 0 {
		r.ParseSelectorParam("fields", *fieldSelector)
	}
	if setBody {
		if len(version) > 0 {
			data := readConfig(storage, c)
			obj, err := latest.Codec.Decode(data)
			if err != nil {
				glog.Fatalf("error setting resource version: %v", err)
			}
			jsonBase, err := meta.Accessor(obj)
			if err != nil {
				glog.Fatalf("error setting resource version: %v", err)
			}
			jsonBase.SetResourceVersion(version)
			data, err = c.RESTClient.Codec.Encode(obj)
			if err != nil {
				glog.Fatalf("error setting resource version: %v", err)
			}
			r.Body(data)
		} else {
			r.Body(readConfig(storage, c))
		}
	}
	result := r.Do()
	obj, err := result.Get()
	if err != nil {
		glog.Fatalf("Got request error: %v\n", err)
		return false
	}

	if err = printer.PrintObj(obj, os.Stdout); err != nil {
		body, _ := result.Raw()
		glog.Fatalf("Failed to print: %v\nRaw received object:\n%#v\n\nBody received: %v", err, obj, string(body))
	}
	fmt.Print("\n")

	return true
}
Example #4
0
// Attempts to execute an API request
func executeAPIRequest(method string, s *kube_client.Client) bool {
	parseStorage := func() string {
		if len(flag.Args()) != 2 {
			glog.Fatal("usage: kubecfg [OPTIONS] get|list|create|update|delete <url>")
		}
		return strings.Trim(flag.Arg(1), "/")
	}

	verb := ""
	switch method {
	case "get", "list":
		verb = "GET"
	case "delete":
		verb = "DELETE"
	case "create":
		verb = "POST"
	case "update":
		verb = "PUT"
	default:
		return false
	}

	r := s.Verb(verb).
		Path(parseStorage()).
		ParseSelector(*selector)
	if method == "create" || method == "update" {
		r.Body(readConfig(parseStorage()))
	}
	result := r.Do()
	obj, err := result.Get()
	if err != nil {
		glog.Fatalf("Got request error: %v\n", err)
		return false
	}

	var printer kubecfg.ResourcePrinter
	switch {
	case *json:
		printer = &kubecfg.IdentityPrinter{}
	case *yaml:
		printer = &kubecfg.YAMLPrinter{}
	case len(*templateFile) > 0 || len(*templateStr) > 0:
		var data []byte
		if len(*templateFile) > 0 {
			var err error
			data, err = ioutil.ReadFile(*templateFile)
			if err != nil {
				glog.Fatalf("Error reading template %s, %v\n", *templateFile, err)
				return false
			}
		} else {
			data = []byte(*templateStr)
		}
		tmpl, err := template.New("output").Parse(string(data))
		if err != nil {
			glog.Fatalf("Error parsing template %s, %v\n", string(data), err)
			return false
		}
		printer = &kubecfg.TemplatePrinter{
			Template: tmpl,
		}
	default:
		printer = &kubecfg.HumanReadablePrinter{}
	}

	if err = printer.PrintObj(obj, os.Stdout); err != nil {
		body, _ := result.Raw()
		glog.Fatalf("Failed to print: %v\nRaw received object:\n%#v\n\nBody received: %v", err, obj, string(body))
	}
	fmt.Print("\n")

	return true
}