示例#1
0
// Image examples.
func main() {
	config := getConfig()

	// Authenticate with a username, password, tenant id.
	creds := openstack.AuthOpts{
		AuthUrl:  config.Host,
		Project:  config.ProjectName,
		Username: config.Username,
		Password: config.Password,
	}
	auth, err := openstack.DoAuthRequest(creds)
	if err != nil {
		panicString := fmt.Sprint("There was an error authenticating:", err)
		panic(panicString)
	}
	if !auth.GetExpiration().After(time.Now()) {
		panic("There was an error. The auth token has an invalid expiration.")
	}

	// Find the endpoint for the image service.
	url, err := auth.GetEndpoint("image", "")
	if url == "" || err != nil {
		panic("v1 image service url not found during authentication")
	}

	// Make a new client with these creds
	sess, err := openstack.NewSession(nil, auth, nil)
	if err != nil {
		panicString := fmt.Sprint("Error crating new Session:", err)
		panic(panicString)
	}

	imageService := image.Service{
		Session: *sess,
		Client:  *http.DefaultClient,
		URL:     url + "/v1", // We're forcing Image v1 for now
	}
	imagesDetails, err := imageService.ImagesDetail()
	if err != nil {
		panicString := fmt.Sprint("Cannot access images:", err)
		panic(panicString)
	}

	var imageIDs = make([]string, 0)
	for _, element := range imagesDetails {
		imageIDs = append(imageIDs, element.ID)
	}

	if len(imageIDs) == 0 {
		panicString := fmt.Sprint("No images found, check to make sure access is correct")
		panic(panicString)
	}
}
示例#2
0
func testImageServiceAction(t *testing.T, uriEndsWith string, testData string, imageServiceAction func(*image.Service)) {
	anon := func(req *http.Request) {
		reqURL := req.URL.String()
		if !strings.HasSuffix(reqURL, uriEndsWith) {
			t.Error(errors.New("Incorrect url created, expected:" + uriEndsWith + " at the end, actual url:" + reqURL))
		}
	}
	apiServer := testUtil.CreateGetJSONTestRequestServer(t, tokn, testData, anon)
	defer apiServer.Close()

	auth := openstack.AuthToken{
		Access: openstack.AccessType{
			Token: openstack.Token{
				ID: tokn,
			},
		},
	}
	sess, _ := openstack.NewSession(http.DefaultClient, auth, nil)
	imageService := image.Service{
		Session: *sess,
		URL:     apiServer.URL,
	}
	imageServiceAction(&imageService)
}
示例#3
0
func main() {
	config := getConfig()

	// Before working with object storage we need to authenticate with a project
	// that has active object storage.
	// Authenticate with a project name, username, password.
	creds := openstack.AuthOpts{
		AuthUrl:  config.Host,
		Project:  config.ProjectName,
		Username: config.Username,
		Password: config.Password,
	}
	auth, err := openstack.DoAuthRequest(creds)
	if err != nil {
		panicString := fmt.Sprint("There was an error authenticating:", err)
		panic(panicString)
	}
	if !auth.GetExpiration().After(time.Now()) {
		panic("There was an error. The auth token has an invalid expiration.")
	}

	// Find the endpoint for object storage.
	url, err := auth.GetEndpoint("object-store", "")
	if url == "" || err != nil {
		panic("object-store url not found during authentication")
	}

	// Make a new client with these creds
	sess, err := openstack.NewSession(nil, auth, nil)
	if err != nil {
		panicString := fmt.Sprint("Error crating new Session:", err)
		panic(panicString)
	}

	hdr, err := objectstorage.GetAccountMeta(sess, url)
	if err != nil {
		panicString := fmt.Sprint("There was an error getting account metadata:", err)
		panic(panicString)
	}
	_ = hdr

	// Create a new container.
	var headers http.Header = http.Header{}
	headers.Add("X-Log-Retention", "true")
	if err = objectstorage.PutContainer(sess, url+"/"+config.Container, headers); err != nil {
		panicString := fmt.Sprint("PutContainer Error:", err)
		panic(panicString)
	}

	// Get a list of all the containers at the selected endoint.
	containersJson, err := objectstorage.ListContainers(sess, 0, "", url)
	if err != nil {
		panic(err)
	}

	type containerType struct {
		Name         string
		Bytes, Count int
	}
	containersList := []containerType{}

	if err = json.Unmarshal(containersJson, &containersList); err != nil {
		panic(err)
	}

	found := false
	for i := 0; i < len(containersList); i++ {
		if containersList[i].Name == config.Container {
			found = true
		}
	}
	if !found {
		panic("Created container is missing from downloaded containersList")
	}

	// Set and Get container metadata.
	headers = http.Header{}
	headers.Add("X-Container-Meta-fubar", "false")
	if err = objectstorage.SetContainerMeta(sess, url+"/"+config.Container, headers); err != nil {
		panic(err)
	}

	hdr, err = objectstorage.GetContainerMeta(sess, url+"/"+config.Container)
	if err != nil {
		panicString := fmt.Sprint("GetContainerMeta Error:", err)
		panic(panicString)
	}
	if hdr.Get("X-Container-Meta-fubar") != "false" {
		panic("container meta does not match")
	}

	// Create an object in a container.
	var fContent []byte
	srcFile := "10-objectstore.go"
	fContent, err = ioutil.ReadFile(srcFile)
	if err != nil {
		panic(err)
	}

	headers = http.Header{}
	headers.Add("X-Container-Meta-fubar", "false")
	object := config.Container + "/" + srcFile
	if err = objectstorage.PutObject(sess, &fContent, url+"/"+object, headers); err != nil {
		panic(err)
	}
	objectsJson, err := objectstorage.ListObjects(sess, 0, "", "", "", "",
		url+"/"+config.Container)

	type objectType struct {
		Name, Hash, Content_type, Last_modified string
		Bytes                                   int
	}
	objectsList := []objectType{}

	if err = json.Unmarshal(objectsJson, &objectsList); err != nil {
		panic(err)
	}
	found = false
	for i := 0; i < len(objectsList); i++ {
		if objectsList[i].Name == srcFile {
			found = true
		}
	}
	if !found {
		panic("created object is missing from the objectsList")
	}

	// Manage object metadata
	headers = http.Header{}
	headers.Add("X-Object-Meta-fubar", "true")
	if err = objectstorage.SetObjectMeta(sess, url+"/"+object, headers); err != nil {
		panicString := fmt.Sprint("SetObjectMeta Error:", err)
		panic(panicString)
	}
	hdr, err = objectstorage.GetObjectMeta(sess, url+"/"+object)
	if err != nil {
		panicString := fmt.Sprint("GetObjectMeta Error:", err)
		panic(panicString)
	}
	if hdr.Get("X-Object-Meta-fubar") != "true" {
		panicString := fmt.Sprint("SetObjectMeta Error:", err)
		panic(panicString)
	}

	// Retrieve an object and check that it is the same as what as uploaded.
	_, body, err := objectstorage.GetObject(sess, url+"/"+object)
	if err != nil {
		panicString := fmt.Sprint("GetObject Error:", err)
		panic(panicString)
	}
	if !bytes.Equal(fContent, body) {
		panicString := fmt.Sprint("GetObject Error:", "byte comparison of uploaded != downloaded")
		panic(panicString)
	}

	// Duplication (Copy) an existing object.
	if err = objectstorage.CopyObject(sess, url+"/"+object, "/"+object+".dup"); err != nil {
		panicString := fmt.Sprint("CopyObject Error:", err)
		panic(panicString)
	}

	// Delete the objects.
	if err = objectstorage.DeleteObject(sess, url+"/"+object); err != nil {
		panicString := fmt.Sprint("DeleteObject Error:", err)
		panic(panicString)
	}
	if err = objectstorage.DeleteObject(sess, url+"/"+object+".dup"); err != nil {
		panicString := fmt.Sprint("DeleteObject Error:", err)
		panic(panicString)
	}

	// Delete the container that was previously created.
	if err = objectstorage.DeleteContainer(sess, url+"/"+config.Container); err != nil {
		panicString := fmt.Sprint("DeleteContainer Error:", err)
		panic(panicString)
	}
}