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webhook.go
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webhook.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
api "code.gitea.io/gitea/modules/structs"
"gopkg.in/yaml.v3"
)
type TaskToRun struct {
Namespace string
ServiceAccount string
TaskRefName string
GitSourceResourceName string
DockerImageResourceName string
}
type HookAction struct {
Secret string
Repo string
TaskInfo TaskToRun
}
type Config struct {
Hooks []HookAction
}
func readConfig(filename string) (Config, error) {
content, err := ioutil.ReadFile(filename)
if err != nil {
return Config{}, err
}
var conf Config
yaml.Unmarshal(content, &conf)
log.Printf("%#v", conf)
return conf, nil
}
func action(hook HookAction) {
log.Printf("exec command for repo:%s", hook.Repo)
ti := hook.TaskInfo
err := CreateTaskRun(ti.Namespace, ti.ServiceAccount, ti.TaskRefName, ti.GitSourceResourceName, ti.DockerImageResourceName)
if err != nil {
log.Printf("Failed to create taskrun:%v", err)
}
}
func webhook(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
event := r.Header.Get("X-Gitea-Event")
if event != "push" {
log.Printf("unknown event:%s", event)
http.Error(w, "Unsupported event", 400)
return
}
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Printf("body read failed: %v", err)
http.Error(w, "Fail to read body", 500)
return
}
var payload api.PushPayload
err = json.Unmarshal(body, &payload)
if err != nil {
log.Printf("Unmarshal body failed:%v", err)
http.Error(w, "failed to parse payload", 500)
return
}
for _, hook := range config.Hooks {
log.Printf("repo=%s,payload repo=%s, secret=%s, payload secret=%s", hook.Repo, payload.Repo.FullName, hook.Secret, payload.Secret)
if hook.Repo == payload.Repo.FullName && hook.Secret == payload.Secret {
go action(hook)
fmt.Fprintf(w, "Push event dispatched")
return
}
}
http.Error(w, "not matched.", 404)
}
var config Config
func main() {
var err error
config, err = readConfig("config.yaml")
if err != nil {
log.Fatalf("Failed to read config yaml:%v", err)
}
http.HandleFunc("/webhook", webhook)
port := os.Getenv("PORT")
if port == "" {
port = "9691"
}
http.ListenAndServe(fmt.Sprintf(":%s", port), nil)
}