117 lines
2.9 KiB
Go
117 lines
2.9 KiB
Go
package hookdeliveryforwarder
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"flag"
|
|
"fmt"
|
|
"net/http"
|
|
"os"
|
|
"sync"
|
|
|
|
"github.com/actions-runner-controller/actions-runner-controller/github"
|
|
"github.com/kelseyhightower/envconfig"
|
|
)
|
|
|
|
type Config struct {
|
|
Rules StringSlice
|
|
MetricsAddr string
|
|
GitHubConfig github.Config
|
|
Checkpointer Checkpointer
|
|
}
|
|
|
|
func (config *Config) InitFlags(fs *flag.FlagSet) {
|
|
if err := envconfig.Process("github", &config.GitHubConfig); err != nil {
|
|
fmt.Fprintln(os.Stderr, "Error: Environment variable read failed.")
|
|
}
|
|
|
|
flag.StringVar(&config.MetricsAddr, "metrics-addr", ":8000", "The address the metric endpoint binds to.")
|
|
flag.Var(&config.Rules, "rule", "The rule denotes from where webhook deliveries forwarded and to where they are forwarded. Must be formatted REPO=TARGET where REPO can be just the organization name for a repostory hook or \"owner/repo\" for a repository hook.")
|
|
flag.StringVar(&config.GitHubConfig.Token, "github-token", config.GitHubConfig.Token, "The personal access token of GitHub.")
|
|
flag.Int64Var(&config.GitHubConfig.AppID, "github-app-id", config.GitHubConfig.AppID, "The application ID of GitHub App.")
|
|
flag.Int64Var(&config.GitHubConfig.AppInstallationID, "github-app-installation-id", config.GitHubConfig.AppInstallationID, "The installation ID of GitHub App.")
|
|
flag.StringVar(&config.GitHubConfig.AppPrivateKey, "github-app-private-key", config.GitHubConfig.AppPrivateKey, "The path of a private key file to authenticate as a GitHub App")
|
|
}
|
|
|
|
func Run(ctx context.Context, config *Config) {
|
|
c := config.GitHubConfig
|
|
|
|
ghClient, err := c.NewClient()
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, "Error: Client creation failed.", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
|
|
ctx, cancel := context.WithCancel(ctx)
|
|
|
|
fwd, err := New(ghClient, []string(config.Rules))
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "problem initializing forwarder: %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
if config.Checkpointer != nil {
|
|
fwd.Checkpointer = config.Checkpointer
|
|
}
|
|
|
|
mux := http.NewServeMux()
|
|
mux.HandleFunc("/readyz", fwd.HandleReadyz)
|
|
|
|
srv := http.Server{
|
|
Addr: config.MetricsAddr,
|
|
Handler: mux,
|
|
}
|
|
|
|
wg.Add(1)
|
|
go func() {
|
|
defer cancel()
|
|
defer wg.Done()
|
|
|
|
if err := fwd.Run(ctx); err != nil {
|
|
fmt.Fprintf(os.Stderr, "problem running forwarder: %v\n", err)
|
|
}
|
|
}()
|
|
|
|
wg.Add(1)
|
|
go func() {
|
|
defer cancel()
|
|
defer wg.Done()
|
|
|
|
go func() {
|
|
<-ctx.Done()
|
|
|
|
srv.Shutdown(context.Background())
|
|
}()
|
|
|
|
if err := srv.ListenAndServe(); err != nil {
|
|
if !errors.Is(err, http.ErrServerClosed) {
|
|
fmt.Fprintf(os.Stderr, "problem running http server: %v\n", err)
|
|
}
|
|
}
|
|
}()
|
|
|
|
go func() {
|
|
<-ctx.Done()
|
|
cancel()
|
|
}()
|
|
|
|
wg.Wait()
|
|
}
|
|
|
|
type StringSlice []string
|
|
|
|
func (s *StringSlice) String() string {
|
|
if s == nil {
|
|
return ""
|
|
}
|
|
|
|
return fmt.Sprintf("%+v", []string(*s))
|
|
}
|
|
|
|
func (s *StringSlice) Set(value string) error {
|
|
*s = append(*s, value)
|
|
return nil
|
|
}
|