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bfb9af121c
* Refactor: Move agent stats structs to agent/ Based in part on changes by laszlocph (kube branch):7f4a0c8c12Factor into Runnerf7fe9edd0bUsing Runner in server * Refactor: Add Runner constructor with counter field Based in part on changes by laszlocph (kube branch):7f4a0c8c12Factor into Runnerf7fe9edd0bUsing Runner in server * Refactor: Move Runner to agent/ package Based in part on changes by laszlocph (kube branch):7f4a0c8c12Factor into Runnerf7fe9edd0bUsing Runner in server * Refactor: pass pipeline.backend.Engine into agent.Runner Based in part on changes by laszlocph (kube branch):7f4a0c8Factor into Runnerf7fe9edUsing Runner in server * Use well-known function signature for WriteTo * Rename stats.go -> state.go Co-authored-by: Anbraten <anton@ju60.de>
87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
// Copyright 2018 Drone.IO Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"github.com/urfave/cli"
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"github.com/woodpecker-ci/woodpecker/agent"
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"github.com/woodpecker-ci/woodpecker/version"
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)
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// the file implements some basic healthcheck logic based on the
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// following specification:
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// https://github.com/mozilla-services/Dockerflow
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func init() {
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http.HandleFunc("/varz", handleStats)
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http.HandleFunc("/healthz", handleHeartbeat)
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http.HandleFunc("/version", handleVersion)
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}
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func handleHeartbeat(w http.ResponseWriter, r *http.Request) {
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if counter.Healthy() {
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w.WriteHeader(200)
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} else {
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w.WriteHeader(500)
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}
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}
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func handleVersion(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(200)
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w.Header().Add("Content-Type", "text/json")
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json.NewEncoder(w).Encode(versionResp{
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Source: "https://github.com/woodpecker-ci/woodpecker",
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Version: version.String(),
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})
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}
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func handleStats(w http.ResponseWriter, r *http.Request) {
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if counter.Healthy() {
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w.WriteHeader(200)
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} else {
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w.WriteHeader(500)
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}
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w.Header().Add("Content-Type", "text/json")
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counter.WriteTo(w)
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}
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type versionResp struct {
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Version string `json:"version"`
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Source string `json:"source"`
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}
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// default statistics counter
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var counter = &agent.State{
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Metadata: map[string]agent.Info{},
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}
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// handles pinging the endpoint and returns an error if the
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// agent is in an unhealthy state.
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func pinger(c *cli.Context) error {
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resp, err := http.Get("http://localhost:3000/healthz")
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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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return fmt.Errorf("agent returned non-200 status code")
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}
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return nil
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}
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