mirror of https://github.com/k3s-io/k3s
111 lines
2.8 KiB
Go
111 lines
2.8 KiB
Go
package storageos
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import (
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"encoding/json"
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"errors"
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"net/http"
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"net/url"
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"github.com/storageos/go-api/types"
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)
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var (
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// ControllerAPIPrefix is a partial path to the HTTP endpoint.
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ControllerAPIPrefix = "controllers"
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// ErrNoSuchController is the error returned when the controller does not exist.
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ErrNoSuchController = errors.New("no such controller")
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// ErrControllerInUse is the error returned when the controller requested to be removed is still in use.
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ErrControllerInUse = errors.New("controller in use and cannot be removed")
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)
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// ControllerList returns the list of available controllers.
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func (c *Client) ControllerList(opts types.ListOptions) ([]*types.Controller, error) {
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listOpts := doOptions{
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fieldSelector: opts.FieldSelector,
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labelSelector: opts.LabelSelector,
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context: opts.Context,
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}
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if opts.LabelSelector != "" {
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query := url.Values{}
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query.Add("labelSelector", opts.LabelSelector)
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listOpts.values = query
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}
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resp, err := c.do("GET", ControllerAPIPrefix, listOpts)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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var controllers []*types.Controller
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if err := json.NewDecoder(resp.Body).Decode(&controllers); err != nil {
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return nil, err
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}
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return controllers, nil
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}
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// Controller returns a controller by its reference.
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func (c *Client) Controller(ref string) (*types.Controller, error) {
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resp, err := c.do("GET", ControllerAPIPrefix+"/"+ref, doOptions{})
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if err != nil {
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if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound {
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return nil, ErrNoSuchController
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}
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return nil, err
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}
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defer resp.Body.Close()
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var controller types.Controller
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if err := json.NewDecoder(resp.Body).Decode(&controller); err != nil {
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return nil, err
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}
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return &controller, nil
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}
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// ControllerUpdate updates a controller on the server.
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func (c *Client) ControllerUpdate(opts types.ControllerUpdateOptions) (*types.Controller, error) {
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ref := opts.Name
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if IsUUID(opts.ID) {
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ref = opts.ID
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}
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resp, err := c.do("PUT", ControllerAPIPrefix+"/"+ref, doOptions{
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data: opts,
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context: opts.Context,
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})
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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var controller types.Controller
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if err := json.NewDecoder(resp.Body).Decode(&controller); err != nil {
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return nil, err
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}
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return &controller, nil
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}
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// ControllerDelete removes a controller by its reference.
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func (c *Client) ControllerDelete(opts types.DeleteOptions) error {
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deleteOpts := doOptions{
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namespace: opts.Namespace,
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force: opts.Force,
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context: opts.Context,
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}
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resp, err := c.do("DELETE", ControllerAPIPrefix+"/"+opts.Name, deleteOpts)
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if err != nil {
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if e, ok := err.(*Error); ok {
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if e.Status == http.StatusNotFound {
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return ErrNoSuchController
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}
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if e.Status == http.StatusConflict {
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return ErrControllerInUse
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}
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}
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return err
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}
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defer resp.Body.Close()
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return nil
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}
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