T7980: distinguish vyconfd initialization from restart

Author: jestabro

src/init/vyconfd.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+#
+# Check if state file exists to determine if restart
+if [ -f /var/run/vyconfd.state ]; then
+    echo "Restarting vyconfd from active config"
+    /usr/libexec/vyos/vyconf/vyconfd --log-file /var/run/log/vyconfd.log --reload-active-config --legacy-config-path
+else
+    echo "Starting vyconfd from saved config"
+    touch /var/run/vyconfd.state
+    /usr/libexec/vyos/vyconf/vyconfd --log-file /var/run/log/vyconfd.log --legacy-config-path
+fi

src/systemd/vyconfd.service

@@ -8,7 +8,7 @@ DefaultDependencies=no
 After=systemd-remount-fs.service
 
 [Service]
-ExecStart=/usr/libexec/vyos/vyconf/vyconfd --log-file /var/run/log/vyconfd.log --legacy-config-path
+ExecStart=/usr/libexec/vyos/init/vyconfd.sh
 Type=exec
 SyslogIdentifier=vyconfd
 SyslogFacility=daemon