Golang ServiceClient.Get方法代碼示例

// Download is a function that retrieves the content and metadata for an object.
// To extract just the content, pass the DownloadResult response to the
// ExtractContent function.
func Download(c *gophercloud.ServiceClient, containerName, objectName string, opts DownloadOptsBuilder) (r DownloadResult) {
	url := downloadURL(c, containerName, objectName)
	h := make(map[string]string)
	if opts != nil {
		headers, query, err := opts.ToObjectDownloadParams()
		if err != nil {
			r.Err = err
			return
		}
		for k, v := range headers {
			h[k] = v
		}
		url += query
	}

	resp, err := c.Get(url, nil, &gophercloud.RequestOpts{
		MoreHeaders: h,
		OkCodes:     []int{200, 304},
	})
	if resp != nil {
		r.Header = resp.Header
		r.Body = resp.Body
	}
	r.Err = err
	return
}

// Ping retrieves a ping to the server.
func Ping(c *gophercloud.ServiceClient) (r PingResult) {
	_, r.Err = c.Get(pingURL(c), nil, &gophercloud.RequestOpts{
		OkCodes:     []int{204},
		MoreHeaders: map[string]string{"Accept": ""},
	})
	return
}

// Download retrieves file
func Download(client *gophercloud.ServiceClient, id string) (r DownloadResult) {
	var resp *http.Response
	resp, r.Err = client.Get(downloadURL(client, id), nil, nil)
	if resp != nil {
		r.Body = resp.Body
		r.Header = resp.Header
	}
	return
}

// Get retrieves a specific service based on its URL or its unique ID. For
// example, both "96737ae3-cfc1-4c72-be88-5d0e7cc9a3f0" and
// "https://global.cdn.api.rackspacecloud.com/v1.0/services/96737ae3-cfc1-4c72-be88-5d0e7cc9a3f0"
// are valid options for idOrURL.
func Get(c *gophercloud.ServiceClient, idOrURL string) (r GetResult) {
	var url string
	if strings.Contains(idOrURL, "/") {
		url = idOrURL
	} else {
		url = getURL(c, idOrURL)
	}
	_, r.Err = c.Get(url, &r.Body, nil)
	return
}

// Get validates and retrieves information about another token.
func Get(c *gophercloud.ServiceClient, token string) (r GetResult) {
	resp, err := c.Get(tokenURL(c), &r.Body, &gophercloud.RequestOpts{
		MoreHeaders: subjectTokenHeaders(c, token),
		OkCodes:     []int{200, 203},
	})
	if resp != nil {
		r.Err = err
		r.Header = resp.Header
	}
	return
}

// Get returns the limits about the currently scoped tenant.
func Get(client *gophercloud.ServiceClient, opts GetOptsBuilder) (r GetResult) {
	url := getURL(client)
	if opts != nil {
		query, err := opts.ToLimitsQuery()
		if err != nil {
			r.Err = err
			return
		}
		url += query
	}

	_, r.Err = client.Get(url, &r.Body, nil)
	return
}

// Get performs request to given service and deserializes json response to struct.
// out should be pointer to resulting structure. Returns error if request or
// deserialization failed.
func Get(client *gophercloud.ServiceClient, request string, out interface{}) error {
	url := client.ServiceURL(request)
	var resp interface{}
	_, err := client.Get(url, &resp, nil)

	if err != nil {
		return fmt.Errorf("request failed: (%v)", err)
	}

	err = mapstructure.Decode(resp, out)

	if err != nil {
		return fmt.Errorf("decoding failed: (%v)", err)
	}

	return nil
}

// Get retreives data for the given stack template.
func Get(c *gophercloud.ServiceClient, stackName, stackID string) (r GetResult) {
	_, r.Err = c.Get(getURL(c, stackName, stackID), &r.Body, nil)
	return
}

// GetVersion will retrieve the details of a specified datastore version.
func GetVersion(client *gophercloud.ServiceClient, datastoreID, versionID string) (r GetVersionResult) {
	_, r.Err = client.Get(versionURL(client, datastoreID, versionID), &r.Body, nil)
	return
}

// Get will retrieve the details of a specified datastore type.
func Get(client *gophercloud.ServiceClient, datastoreID string) (r GetResult) {
	_, r.Err = client.Get(resourceURL(client, datastoreID), &r.Body, nil)
	return
}

// GetDatastoreParam will retrieve information about a specific configuration
// parameter. For example, you can use this operation to understand more about
// "innodb_file_per_table" configuration param for MySQL datastores. You will
// need the param's ID first, which can be attained by using the ListDatastoreParams
// operation.
func GetDatastoreParam(client *gophercloud.ServiceClient, datastoreID, versionID, paramID string) (r ParamResult) {
	_, r.Err = client.Get(getDSParamURL(client, datastoreID, versionID, paramID), &r.Body, nil)
	return
}

// GetDefault will retrieve the default ShareType.
func GetDefault(client *gophercloud.ServiceClient) (r GetDefaultResult) {
	_, r.Err = client.Get(getDefaultURL(client), &r.Body, nil)
	return
}

// GetPassword makes a request against the nova API to get the encrypted administrative password.
func GetPassword(client *gophercloud.ServiceClient, serverId string) (r GetPasswordResult) {
	_, r.Err = client.Get(passwordURL(client, serverId), &r.Body, nil)
	return
}

// Metadata requests all the metadata for the given server ID.
func Metadata(client *gophercloud.ServiceClient, id string) (r GetMetadataResult) {
	_, r.Err = client.Get(metadataURL(client, id), &r.Body, nil)
	return
}

// Find retrieves stack events for the given stack name.
func Find(c *gophercloud.ServiceClient, stackName string) (r FindResult) {
	_, r.Err = c.Get(findURL(c, stackName), &r.Body, nil)
	return
}