forked from etcd-io/etcd
/
set.go
90 lines (64 loc) · 1.63 KB
/
set.go
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package etcd
import (
"encoding/json"
"fmt"
"github.com/coreos/etcd/store"
"io/ioutil"
"net/http"
"net/url"
"path"
)
func (c *Client) Set(key string, value string, ttl uint64) (*store.Response, error) {
logger.Debugf("set %s, %s, ttl: %d, [%s]", key, value, ttl, c.cluster.Leader)
v := url.Values{}
v.Set("value", value)
if ttl > 0 {
v.Set("ttl", fmt.Sprintf("%v", ttl))
}
resp, err := c.sendRequest("POST", path.Join("keys", key), v.Encode())
if err != nil {
return nil, err
}
b, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, handleError(b)
}
return convertSetResponse(b)
}
// SetTo sets the value of the key to a given machine address.
// If the given machine is not available or is not leader it returns an error
// Mainly use for testing purpose.
func (c *Client) SetTo(key string, value string, ttl uint64, addr string) (*store.Response, error) {
v := url.Values{}
v.Set("value", value)
if ttl > 0 {
v.Set("ttl", fmt.Sprintf("%v", ttl))
}
httpPath := c.createHttpPath(addr, path.Join(version, "keys", key))
resp, err := c.httpClient.PostForm(httpPath, v)
if err != nil {
return nil, err
}
b, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, handleError(b)
}
return convertSetResponse(b)
}
// Convert byte stream to response.
func convertSetResponse(b []byte) (*store.Response, error) {
var result store.Response
err := json.Unmarshal(b, &result)
if err != nil {
return nil, err
}
return &result, nil
}