Add erland_node fqdn to ejabberd node configs

nodes/ejabberd-1.json

@@ -3,6 +3,9 @@
   "normal": {
     "knife_zero": {
       "host": "10.147.20.166"
+    },
+    "kosmos-ejabberd": {
+      "erlang_node": "ejabberd@draco.kosmos.org"
     }
   },
   "automatic": {
@@ -59,4 +62,4 @@
     "recipe[kosmos-base]",
     "role[ejabberd]"
   ]
-}
+}

nodes/ejabberd-2.json

@@ -3,6 +3,9 @@
   "normal": {
     "knife_zero": {
       "host": "10.147.20.44"
+    },
+    "kosmos-ejabberd": {
+      "erlang_node": "ejabberd@centaurus.kosmos.org"
     }
   },
   "automatic": {
@@ -12,11 +15,16 @@
     "hostname": "ejabberd-2",
     "ipaddress": "192.168.122.5",
     "roles": [
-
+      "ejabberd",
+      "postgresql_client"
     ],
     "recipes": [
       "kosmos-base",
       "kosmos-base::default",
+      "kosmos-ejabberd",
+      "kosmos-ejabberd::default",
+      "kosmos-ejabberd::letsencrypt",
+      "kosmos-ejabberd::backup",
       "apt::default",
       "timezone_iii::default",
       "timezone_iii::debian",
@@ -30,7 +38,11 @@
       "postfix::_common",
       "postfix::_attributes",
       "postfix::sasl_auth",
-      "hostname::default"
+      "hostname::default",
+      "tor-full::default",
+      "kosmos-base::letsencrypt",
+      "backup::default",
+      "logrotate::default"
     ],
     "platform": "ubuntu",
     "platform_version": "20.04",
@@ -47,6 +59,7 @@
     }
   },
   "run_list": [
-    "recipe[kosmos-base]"
+    "recipe[kosmos-base]",
+    "role[ejabberd]"
   ]
-}
+}

site-cookbooks/kosmos-ejabberd/recipes/default.rb

@@ -50,6 +50,28 @@ file "/opt/ejabberd/.erlang.cookie" do
   content ejabberd_credentials['erlang_cookie']
 end
 
+file "/opt/ejabberd/.hosts.erlang" do
+  mode "0644"
+  owner "ejabberd"
+  group "ejabberd"
+  content <<-EOF
+"andromeda.kosmos.org".
+"centaurus.kosmos.org".
+"draco.kosmos.org".
+  EOF
+end
+
+ruby_block "configure ERLANG_NODE" do
+  block do
+    file = Chef::Util::FileEdit.new("/opt/ejabberd/conf/ejabberdctl.cfg")
+    file.search_file_replace_line(
+      %r{#ERLANG_NODE=ejabberd@localhost},
+      "ERLAND_NODE=#{node['kosmos-ejabberd']['erlang_node']}"
+    )
+    file.write_file
+  end
+end
+
 postgresql_data_bag_item = data_bag_item('credentials', 'postgresql')
 
 hosts = [
@@ -203,6 +225,18 @@ unless node.chef_environment == "development"
     command  :allow
   end
 
+  firewall_rule 'ejabberd_cluster' do
+    port     [4369]
+    protocol :tcp
+    command  :allow
+  end
+
+  firewall_rule 'erlang_cluster' do
+    port     [4200..4210]
+    protocol :tcp
+    command  :allow
+  end
+
   firewall_rule 'ejabberd_stun_turn' do
     port     3478
     protocol :tcp