mirror of
https://github.com/woodpecker-ci/woodpecker.git
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122 lines
2.8 KiB
Go
122 lines
2.8 KiB
Go
package plugin
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import (
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"bytes"
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"encoding/json"
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"io"
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"net/http"
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"net/url"
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"github.com/drone/drone/queue"
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)
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type Client struct {
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url string
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token string
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}
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func New(url, token string) *Client {
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return &Client{url, token}
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}
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// Publish makes an http request to the remote queue
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// to insert work at the tail.
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func (c *Client) Publish(work *queue.Work) error {
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return c.send("POST", "/queue", work, nil)
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}
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// Remove makes an http request to the remote queue to
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// remove the specified work item.
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func (c *Client) Remove(work *queue.Work) error {
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return c.send("DELETE", "/queue", work, nil)
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}
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// Pull makes an http request to the remote queue to
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// retrieve work. This initiates a long poll and will
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// block until complete.
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func (c *Client) Pull() *queue.Work {
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out := &queue.Work{}
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err := c.send("POST", "/queue/pull", nil, out)
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if err != nil {
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// TODO handle error
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}
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return out
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}
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// Pull makes an http request to the remote queue to
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// retrieve work. This initiates a long poll and will
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// block until complete.
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func (c *Client) PullClose(cn queue.CloseNotifier) *queue.Work {
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out := &queue.Work{}
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err := c.send("POST", "/queue/pull", nil, out)
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if err != nil {
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// TODO handle error
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}
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return out
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}
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// Ack makes an http request to the remote queue
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// to acknowledge an item in the queue was processed.
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func (c *Client) Ack(work *queue.Work) error {
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return c.send("POST", "/queue/ack", nil, nil)
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}
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// Items makes an http request to the remote queue
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// to fetch a list of all work.
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func (c *Client) Items() []*queue.Work {
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out := []*queue.Work{}
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err := c.send("GET", "/queue/items", nil, &out)
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if err != nil {
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// TODO handle error
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}
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return out
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}
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// send is a helper function that makes an authenticated
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// request to the remote http plugin.
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func (c *Client) send(method, path string, in interface{}, out interface{}) error {
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url_, err := url.Parse(c.url + path)
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if err != nil {
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return err
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}
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var buf io.ReadWriter
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if in != nil {
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buf = new(bytes.Buffer)
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err := json.NewEncoder(buf).Encode(in)
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if err != nil {
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return err
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}
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}
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req, err := http.NewRequest(method, url_.String(), buf)
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if err != nil {
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return err
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}
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req.Header.Add("Authorization", "Bearer "+c.token)
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req.Header.Add("Content-Type", "application/json")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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if out == nil {
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return nil
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}
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return json.NewDecoder(resp.Body).Decode(out)
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}
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// In order to implement PullClose() we'll need to use a custom transport:
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//
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// tr := &http.Transport{}
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// client := &http.Client{Transport: tr}
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// c := make(chan error, 1)
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// go func() { c <- f(client.Do(req)) }()
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// select {
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// case <-ctx.Done():
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// tr.CancelRequest(req)
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// <-c // Wait for f to return.
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// return ctx.Err()
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// case err := <-c:
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// return err
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// }
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