Initial kosmos-ejabberd cookbook

No Let's Encrypt cert generation recipe for now

Hardcoded PostgreSQL password too

site-cookbooks/kosmos-ejabberd/test/integration/default/serverspec/default_spec.rb

@@ -0,0 +1,23 @@
+require 'serverspec'
+
+# Required by serverspec
+set :backend, :exec
+
+describe 'ejabberd' do
+  describe package('ejabberd') do
+    it { should be_installed }
+  end
+
+  it 'is listening on port 5222 (client-to-server)' do
+    expect(port(5222)).to be_listening
+  end
+
+  it 'is listening on port 5269 (server-to-server)' do
+    expect(port(5269)).to be_listening
+  end
+
+  it 'runs the ejabberd service' do
+    expect(service('ejabberd')).to be_running
+    expect(service('ejabberd')).to be_enabled
+  end
+end