#cloud-config
# Update apt database on first boot (run 'apt-get update').
# Note, if packages are given, or package_upgrade is true, then
# update will be done independent of this setting.
#
# Default: false
package_update: true

# Upgrade the instance on first boot
#
# Default: false
package_upgrade: true

# Install additional packages on first boot
#
# Default: none
#
# if packages are specified, then package_update will be set to true
#
# packages may be supplied as a single package name or as a list
# with the format [<package>, <version>] wherein the specific
# package version will be installed.
packages:
 - apache2
 - libapache2-mod-php
 - keepalived
 - htop

# This is the configuration syntax that the write_files module
# will know how to understand. Encoding can be given b64 or gzip or (gz+b64).
# The content will be decoded accordingly and then written to the path that is
# provided. 
#
# Note: Content strings here are truncated for example purposes.
write_files:
- content: |
    <center><h1><?php print(gethostname()); ?></h1>
  path: /var/www/html/index.php
- content: |
   global_defs {
      router_id 1337

      # This 3 settings make sure that the inital garp request will be sended 5 times with 1 sec in between to make
      # sure the garp will be processed also if one request was missed by openstack.
      vrrp_garp_master_repeat 5
      vrrp_garp_interval 1
      vrrp_garp_lower_prio_repeat 1

      # Send garp every 5 min again to make sure everything is set in openstack if something failes.
      vrrp_garp_master_refresh 300
      vrrp_garp_master_refresh_repeat 1

      # Make sure that in case 2 keepalived are in master state that the new master will send a garp again.
      vrrp_higher_prio_send_advert true
    }
    vrrp_instance VI_1 {
            state ${type}
            interface enp3s0
            virtual_router_id 51
            priority ${priority}
            advert_int 1
            authentication {
                  auth_type PASS
                  auth_pass 12345
            }
            virtual_ipaddress {
                  ${vip}/24
            }
    }
  path: /etc/keepalived/keepalived.conf

runcmd:
  - [ systemctl, restart, keepalived.service ]