feat: Base rainbowsheep-cloud ansible playbooks and roles

roles/kerberos/templates/krb5.conf.j2

@@ -0,0 +1,28 @@
+[libdefaults]
+	default_realm = {{ kerberos_realm | upper }}
+	dns_lookup_realm = true
+    dns_lookup_kdc = true
+
+# The following krb5.conf variables are only for MIT Kerberos.
+	kdc_timesync = 1
+	ccache_type = 4
+	forwardable = true
+	proxiable = true
+	rdns = false
+
+    ticket_lifetime = 3d
+    renew_lifetime = 7d
+
+# The following libdefaults parameters are only for Heimdal Kerberos.
+	fcc-mit-ticketflags = true
+
+[realms]
+	{{ kerberos_realm | upper }} = {
+		kdc = kerberos.{{ kerberos_realm }}
+		admin_server = kerberos.{{ kerberos_realm }}
+		default_principal_flags = +preauth
+	}
+
+[domain_realm]
+    {{ kerberos_realm }}  = {{ kerberos_realm | upper }}
+    .{{ kerberos_realm }} = {{ kerberos_realm | upper }}