feat(agent): on setup update docker daemon config

Author: tanmoysrt

agent/cli.go

@@ -205,6 +205,16 @@ var setupCmd = &cobra.Command{
 			}
 		}()
 
+		// Update docker daemon config
+		err = config.UpdateDockerDaemonConfig()
+		if err != nil {
+			cmd.PrintErr(err.Error())
+			return
+		}
+
+		// Restart docker
+		_ = RunCommandWithoutBuffer("systemctl restart docker")
+
 		// Get ip from wireguard address
 		ip, _, err := net.ParseCIDR(config.WireguardConfig.Address)
 		if err != nil {

agent/docker_utils.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net"
+	"os"
+)
+
+func (c *AgentConfig) UpdateDockerDaemonConfig() error {
+	// Get ip from wireguard address
+	ip, _, err := net.SplitHostPort(c.SwiftwaveServiceAddress)
+	if err != nil {
+		return fmt.Errorf("failed to parse wireguard address: %w", err)
+	}
+	config := map[string]interface{}{
+		"live-restore":        true,
+		"iptables":            true,
+		"insecure-registries": []string{fmt.Sprintf("%s:3331", ip)},
+	}
+	jsonString, err := json.MarshalIndent(config, "", "  ")
+	if err != nil {
+		return fmt.Errorf("failed to marshal docker daemon config: %w", err)
+	}
+	// Write in /etc/docker/daemon.json
+	err = os.WriteFile("/etc/docker/daemon.json", []byte(jsonString), 0644)
+	if err != nil {
+		return fmt.Errorf("failed to write docker daemon config: %w", err)
+	}
+	return nil
+}