func (c *Client) NodeDelete(id string) error {
// Create a request
req, err := http.NewRequest("DELETE", c.host+"/nodes/"+id, nil)
if err != nil {
return err
}
// Set token
err = c.setToken(req)
if err != nil {
return err
}
// Send request
r, err := c.do(req)
if err != nil {
return err
}
if r.StatusCode != http.StatusAccepted {
return utils.GetErrorFromResponse(r)
}
// Wait for response
r, err = c.waitForResponseWithTimer(r, time.Millisecond*250)
if err != nil {
return err
}
if r.StatusCode != http.StatusNoContent {
return utils.GetErrorFromResponse(r)
}
return nil
}
func (c *Client) VolumeExpand(id string, request *glusterfs.VolumeExpandRequest) (
*glusterfs.VolumeInfoResponse, error) {
// Marshal request to JSON
buffer, err := json.Marshal(request)
if err != nil {
return nil, err
}
// Create a request
req, err := http.NewRequest("POST",
c.host+"/volumes/"+id+"/expand",
bytes.NewBuffer(buffer))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
// Set token
err = c.setToken(req)
if err != nil {
return nil, err
}
// Send request
r, err := c.do(req)
if err != nil {
return nil, err
}
if r.StatusCode != http.StatusAccepted {
return nil, utils.GetErrorFromResponse(r)
}
// Wait for response
r, err = c.waitForResponseWithTimer(r, time.Second)
if err != nil {
return nil, err
}
if r.StatusCode != http.StatusOK {
return nil, utils.GetErrorFromResponse(r)
}
// Read JSON response
var volume glusterfs.VolumeInfoResponse
err = utils.GetJsonFromResponse(r, &volume)
r.Body.Close()
if err != nil {
return nil, err
}
return &volume, nil
}
func (c *Client) NodeAdd(request *glusterfs.NodeAddRequest) (*glusterfs.NodeInfoResponse, error) {
// Marshal request to JSON
buffer, err := json.Marshal(request)
if err != nil {
return nil, err
}
// Create a request
req, err := http.NewRequest("POST", c.host+"/nodes", bytes.NewBuffer(buffer))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
// Set token
err = c.setToken(req)
if err != nil {
return nil, err
}
// Send request
r, err := c.do(req)
if err != nil {
return nil, err
}
if r.StatusCode != http.StatusAccepted {
return nil, utils.GetErrorFromResponse(r)
}
// Wait for response
r, err = c.waitForResponseWithTimer(r, time.Millisecond*250)
if err != nil {
return nil, err
}
if r.StatusCode != http.StatusOK {
return nil, utils.GetErrorFromResponse(r)
}
// Read JSON response
var node glusterfs.NodeInfoResponse
err = utils.GetJsonFromResponse(r, &node)
r.Body.Close()
if err != nil {
return nil, err
}
return &node, nil
}
func (c *Client) NodeInfo(id string) (*glusterfs.NodeInfoResponse, error) {
// Create request
req, err := http.NewRequest("GET", c.host+"/nodes/"+id, nil)
if err != nil {
return nil, err
}
// Set token
err = c.setToken(req)
if err != nil {
return nil, err
}
// Get info
r, err := c.do(req)
if err != nil {
return nil, err
}
if r.StatusCode != http.StatusOK {
return nil, utils.GetErrorFromResponse(r)
}
// Read JSON response
var node glusterfs.NodeInfoResponse
err = utils.GetJsonFromResponse(r, &node)
r.Body.Close()
if err != nil {
return nil, err
}
return &node, nil
}
func (c *Client) ClusterList() (*glusterfs.ClusterListResponse, error) {
// Create request
req, err := http.NewRequest("GET", c.host+"/clusters", nil)
if err != nil {
return nil, err
}
// Set token
err = c.setToken(req)
if err != nil {
return nil, err
}
// Get info
r, err := c.do(req)
if err != nil {
return nil, err
}
if r.StatusCode != http.StatusOK {
return nil, utils.GetErrorFromResponse(r)
}
// Read JSON response
var clusters glusterfs.ClusterListResponse
err = utils.GetJsonFromResponse(r, &clusters)
if err != nil {
return nil, err
}
return &clusters, nil
}
func (c *Client) ClusterCreate() (*glusterfs.ClusterInfoResponse, error) {
// Create a request
req, err := http.NewRequest("POST", c.host+"/clusters", bytes.NewBuffer([]byte(`{}`)))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
// Set token
err = c.setToken(req)
if err != nil {
return nil, err
}
// Send request
r, err := c.do(req)
if err != nil {
return nil, err
}
if r.StatusCode != http.StatusCreated {
return nil, utils.GetErrorFromResponse(r)
}
// Read JSON response
var cluster glusterfs.ClusterInfoResponse
err = utils.GetJsonFromResponse(r, &cluster)
r.Body.Close()
if err != nil {
return nil, err
}
return &cluster, nil
}
func (c *Client) ClusterDelete(id string) error {
// Create DELETE request
req, err := http.NewRequest("DELETE", c.host+"/clusters/"+id, nil)
if err != nil {
return err
}
// Set token
err = c.setToken(req)
if err != nil {
return err
}
// Send request
r, err := c.do(req)
if err != nil {
return err
}
if r.StatusCode != http.StatusOK {
return utils.GetErrorFromResponse(r)
}
return nil
}
func (c *Client) BackupDb(w io.Writer) error {
// Create a request
req, err := http.NewRequest("GET", c.host+"/backup/db", nil)
if err != nil {
return err
}
// Set token
err = c.setToken(req)
if err != nil {
return err
}
// Send request
r, err := c.do(req)
if err != nil {
return err
}
if r.StatusCode != http.StatusOK {
return utils.GetErrorFromResponse(r)
}
// Read data from response
defer r.Body.Close()
_, err = io.Copy(w, r.Body)
return err
}
func (c *Client) DeviceAdd(request *glusterfs.DeviceAddRequest) error {
// Marshal request to JSON
buffer, err := json.Marshal(request)
if err != nil {
return err
}
// Create a request
req, err := http.NewRequest("POST", c.host+"/devices", bytes.NewBuffer(buffer))
if err != nil {
return err
}
req.Header.Set("Content-Type", "application/json")
// Set token
err = c.setToken(req)
if err != nil {
return err
}
// Send request
r, err := c.do(req)
if err != nil {
return err
}
if r.StatusCode != http.StatusAccepted {
return utils.GetErrorFromResponse(r)
}
// Wait for response
r, err = c.waitForResponseWithTimer(r, time.Second)
if err != nil {
return err
}
if r.StatusCode != http.StatusNoContent {
return utils.GetErrorFromResponse(r)
}
return nil
}
// Wait for the job to finish, waiting waitTime on every loop
func (c *Client) waitForResponseWithTimer(r *http.Response,
waitTime time.Duration) (*http.Response, error) {
// Get temp resource
location, err := r.Location()
if err != nil {
return nil, err
}
for {
// Create request
req, err := http.NewRequest("GET", location.String(), nil)
if err != nil {
return nil, err
}
// Set token
err = c.setToken(req)
if err != nil {
return nil, err
}
// Wait for response
r, err = c.do(req)
if err != nil {
return nil, err
}
// Check if the request is pending
if r.Header.Get("X-Pending") == "true" {
if r.StatusCode != http.StatusOK {
return nil, utils.GetErrorFromResponse(r)
}
time.Sleep(waitTime)
} else {
return r, nil
}
}
}
// Simple Hello test to check if the server is up
func (c *Client) Hello() error {
// Create request
req, err := http.NewRequest("GET", c.host+"/hello", nil)
if err != nil {
return err
}
// Set token
err = c.setToken(req)
if err != nil {
return err
}
// Get info
r, err := c.do(req)
if err != nil {
return err
}
if r.StatusCode != http.StatusOK {
return utils.GetErrorFromResponse(r)
}
return nil
}