Support running commands with runcmd

main.go

@@ -22,6 +22,7 @@ type CloudConfig struct {
 	Groups     []string          `yaml:"groups"`
 	Users      []CloudConfigUser `yaml:"users"`
 	WriteFiles []CloudConfigFile `yaml:"write_files"`
+	RunCmd     []string          `yaml:"runcmd"`
 }
 
 type CloudConfigUser struct {
@@ -209,6 +210,17 @@ func processUserData(configDriveDir string) error {
 		}
 	}
 
+    // Run commands
+	for _, cmd := range cc.RunCmd {
+		cmdArgs := strings.Fields(cmd)
+		output, err := exec.Command(cmdArgs[0], cmdArgs[1:]...).CombinedOutput()
+		if err != nil {
+			log.Printf("Error running command '%s': %s\n%s", cmd, err, output)
+		} else {
+			log.Printf("Ran command '%s' successfully.\n%s ", cmd, output)
+		}
+	}
+
 	return nil
 }