Update AWS Terraform

- Add variables to cloud-init.yaml
- Allow to set Linux OS password via cloud-init
- Pass the tpot.conf file as inline content to allow variables
- Remove obsolete tpot.conf file in terraform/ directory

cloud/terraform/cloud-init.yaml

@@ -1,9 +1,5 @@
 #cloud-config
-timezone: UTC
-
-package_update: true
-package_upgrade: true
-package_reboot_if_required: true
+timezone: ${timezone}
 
 packages:
   - git
@@ -12,14 +8,18 @@ runcmd:
   - git clone https://github.com/dtag-dev-sec/tpotce /root/tpot
   - /root/tpot/iso/installer/install.sh --type=auto --conf=/root/tpot.conf
   - rm /root/tpot.conf
-  - /sbin/shutdown -r +5
+  - /sbin/shutdown -r now
+
+password: ${password}
+chpasswd:
+  expire: false
 
-# The contents of tpot.conf will be base64 encoded and appended to this file
-# via the terraform configuration in main.tf
-#
-# Make sure there are no trailing new lines after "permissions" below
 write_files:
-  - encoding: b64
+  - content: |
+      # tpot configuration file
+      myCONF_TPOT_FLAVOR='${tpot_flavor}'
+      myCONF_WEB_USER='${web_user}'
+      myCONF_WEB_PW='${web_password}'
     owner: root:root
     path: /root/tpot.conf
     permissions: '0600'