72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"net"
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"os"
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"github.com/kisom/sgard/garden"
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"github.com/kisom/sgard/server"
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"github.com/kisom/sgard/sgardpb"
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"github.com/spf13/cobra"
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"google.golang.org/grpc"
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)
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var (
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listenAddr string
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repoPath string
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authKeysPath string
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)
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var rootCmd = &cobra.Command{
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Use: "sgardd",
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Short: "sgard gRPC sync daemon",
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RunE: func(cmd *cobra.Command, args []string) error {
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g, err := garden.Open(repoPath)
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if err != nil {
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return fmt.Errorf("opening repo: %w", err)
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}
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var opts []grpc.ServerOption
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var srvInstance *server.Server
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if authKeysPath != "" {
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auth, err := server.NewAuthInterceptor(authKeysPath, repoPath)
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if err != nil {
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return fmt.Errorf("loading authorized keys: %w", err)
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}
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opts = append(opts,
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grpc.UnaryInterceptor(auth.UnaryInterceptor()),
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grpc.StreamInterceptor(auth.StreamInterceptor()),
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)
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srvInstance = server.NewWithAuth(g, auth)
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fmt.Printf("Auth enabled: %s\n", authKeysPath)
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} else {
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srvInstance = server.New(g)
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fmt.Println("WARNING: no --authorized-keys specified, running without authentication")
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}
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srv := grpc.NewServer(opts...)
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sgardpb.RegisterGardenSyncServer(srv, srvInstance)
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lis, err := net.Listen("tcp", listenAddr)
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if err != nil {
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return fmt.Errorf("listening on %s: %w", listenAddr, err)
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}
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fmt.Printf("sgardd serving on %s (repo: %s)\n", listenAddr, repoPath)
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return srv.Serve(lis)
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},
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}
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func main() {
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rootCmd.Flags().StringVar(&listenAddr, "listen", ":9473", "gRPC listen address")
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rootCmd.Flags().StringVar(&repoPath, "repo", "/srv/sgard", "path to sgard repository")
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rootCmd.Flags().StringVar(&authKeysPath, "authorized-keys", "", "path to authorized SSH public keys file")
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if err := rootCmd.Execute(); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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