mirror of
https://github.com/fluxcd/flagger.git
synced 2026-03-01 01:00:40 +00:00
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
/*
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Copyright 2020 The Flux 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 notifier
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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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"fmt"
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"io/ioutil"
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"net"
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"net/http"
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"net/url"
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"runtime"
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"time"
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)
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func postMessage(address string, proxy string, payload interface{}) error {
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httpClient := http.DefaultClient
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if proxy != "" {
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proxyURL, err := url.Parse(proxy)
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if err != nil {
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return fmt.Errorf("unable to parse proxy URL '%s', error: %w", proxy, err)
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}
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httpClient.Transport = &http.Transport{
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Proxy: http.ProxyURL(proxyURL),
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DialContext: (&net.Dialer{
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Timeout: 15 * time.Second,
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KeepAlive: 30 * time.Second,
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}).DialContext,
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MaxIdleConns: 100,
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IdleConnTimeout: 90 * time.Second,
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TLSHandshakeTimeout: 10 * time.Second,
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ExpectContinueTimeout: 1 * time.Second,
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MaxIdleConnsPerHost: runtime.GOMAXPROCS(0) + 1,
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}
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}
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data, err := json.Marshal(payload)
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if err != nil {
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return fmt.Errorf("marshalling notification payload failed: %w", err)
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}
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b := bytes.NewBuffer(data)
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req, err := http.NewRequest("POST", address, b)
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if err != nil {
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return fmt.Errorf("http.NewRequest failed: %w", err)
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}
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req.Header.Set("Content-type", "application/json")
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ctx, cancel := context.WithTimeout(req.Context(), 5*time.Second)
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defer cancel()
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res, err := httpClient.Do(req.WithContext(ctx))
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if err != nil {
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return fmt.Errorf("sending notification failed: %w", err)
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}
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defer res.Body.Close()
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statusCode := res.StatusCode
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if statusCode != 200 {
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body, _ := ioutil.ReadAll(res.Body)
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return fmt.Errorf("sending notification failed: %s", string(body))
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}
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return nil
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}
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