feat: add haproxy profile

- add haproxy server class
- add haproxy profile to role
- add hiera data for region specific haproxy
- add selinux configuration
- add certlist management
- add default http and https frontends
- add default stats listener

site/profiles/manifests/haproxy/server.pp

@@ -0,0 +1,60 @@
+# configure a haproxy server
+class profiles::haproxy::server (
+  Hash  $globals = {},
+  Hash  $defaults = {},
+){
+
+  # default global/defaults arrays
+  $global_options = {
+    'log'     => "${facts['networking']['ip']} local0",
+    'chroot'  => '/var/lib/haproxy',
+    'pidfile' => '/var/run/haproxy.pid',
+    'maxconn' => '4000',
+    'user'    => 'haproxy',
+    'group'   => 'haproxy',
+    'daemon'  => '',
+    'stats'   => 'socket /var/lib/haproxy/stats',
+  }
+  $default_options = {
+    'log'     => 'global',
+    'stats'   => 'enable',
+    'option'  => ['redispatch'],
+    'retries' => '3',
+    'timeout' => [
+      'http-request 10s',
+      'queue 1m',
+      'connect 10s',
+      'client 1m',
+      'server 1m',
+      'check 10s',
+    ],
+    'maxconn' => '8000',
+  }
+
+  # merge the default globals/defaults with those provided as params
+  $merged_global_options = merge($global_options, $globals)
+  $merged_default_options = merge($default_options, $defaults)
+
+  # manage selinux
+  include profiles::haproxy::selinux
+
+  # create the haproxy service/instance
+  class { 'haproxy':
+    global_options   => $merged_global_options,
+    defaults_options => $merged_default_options,
+    require          => Class['profiles::haproxy::selinux']
+  }
+
+  include profiles::haproxy::certlist  # manage the certificate list file
+  include profiles::haproxy::mappings  # manage the domain to backend mappings
+  include profiles::haproxy::ls_stats  # default status listener
+  include profiles::haproxy::fe_http   # default http frontend
+  include profiles::haproxy::fe_https  # default https frontend
+
+  $backends = lookup('haproxy::backend').keys
+  $backends.each |$backend| {
+    $location_environment = "${facts['country']}-${facts['region']}-${facts['environment']}"
+    $tag = "${location_environment}_${backend}"
+    Haproxy::Balancermember <<| tag == $tag |>>
+  }
+}