Added a script to run on initial system setup

Ubuntu-22/ubuntu-22.pkr.hcl

@@ -74,4 +74,9 @@ build {
       "scripts/remove-snap.sh"
     ]
   }
+
+  provisioner "file" {
+    source      = "scripts/initial-setup.sh"
+    destination = "/home/xadmin/initial-setup.sh"
+  }
 }

scripts/initial-setup.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+SALT_MASTER='salt-v1.int.metaunix.net'
+
+# determine OS version
+if [ -f '/etc/redhat-release' ]; then
+  OS="debian"
+elif [ -f '/etc/debian-release' ]; then
+  OS="rhel"
+elif [ -d '/etc/ubuntu-advantage' ]; then
+  OS="ubuntu"
+else
+  OS="freebsd"
+fi
+
+read -p 'System hostname: ' HOSTNAME
+read -p 'System domain: ' DOMAIN
+
+if [ "$OS" = 'freebsd' ]; then
+  echo "$HOSTNAME.$DOMAIN" > /usr/local/etc/salt/minion_id
+  sed -i .orig "s/\#master: salt/master: $SALT_MASTER/" /usr/local/etc/salt/minion
+  rm -rf /usr/local/etc/salt/pki
+
+  sysrc salt_minion_enable="YES"
+  service salt_minion start
+else
+  echo "$HOSTNAME.$DOMAIN" > /etc/salt/minion_id
+  sed -i "s/\#master: salt/master: $SALT_MASTER/" /etc/salt/minion
+  rm -rf /etc/salt/pki
+
+  systemctl enable salt-minion
+  systemctl start salt-minion
+fi