124 lines
2.7 KiB
Go
124 lines
2.7 KiB
Go
/*
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Copyright 2016 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package client
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"time"
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"golang.org/x/net/context/ctxhttp"
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ferror "github.com/fission/fission/pkg/error"
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"github.com/fission/fission/pkg/info"
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)
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type (
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Client struct {
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Url string
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}
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)
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func MakeClient(serverUrl string) *Client {
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return &Client{Url: strings.TrimSuffix(serverUrl, "/")}
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}
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func (c *Client) delete(relativeUrl string) error {
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req, err := http.NewRequest("DELETE", c.url(relativeUrl), nil)
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if err != nil {
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return err
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}
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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 resp.StatusCode != 200 {
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return errors.New("Delete failed")
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} else {
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return errors.New("Delete failed: " + string(body))
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}
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}
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return nil
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}
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func (c *Client) put(relativeUrl string, contentType string, body []byte) (*http.Response, error) {
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req, err := http.NewRequest("PUT", c.url(relativeUrl), bytes.NewReader(body))
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-type", contentType)
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return http.DefaultClient.Do(req)
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}
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func (c *Client) url(relativeUrl string) string {
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return c.Url + "/v2/" + relativeUrl
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}
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func (c *Client) handleResponse(resp *http.Response) ([]byte, error) {
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if resp.StatusCode != 200 {
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return nil, ferror.MakeErrorFromHTTP(resp)
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}
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body, err := ioutil.ReadAll(resp.Body)
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return body, err
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}
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func (c *Client) handleCreateResponse(resp *http.Response) ([]byte, error) {
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if resp.StatusCode != 201 {
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return nil, ferror.MakeErrorFromHTTP(resp)
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}
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body, err := ioutil.ReadAll(resp.Body)
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return body, err
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}
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func (c *Client) ServerInfo() (*info.ServerInfo, error) {
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url := fmt.Sprintf(c.Url)
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ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
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defer cancel()
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resp, err := ctxhttp.Get(ctx, &http.Client{}, url)
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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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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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info := &info.ServerInfo{}
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err = json.Unmarshal(body, info)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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