first Icinga2 infrastructure documentation

_toc.yml

@@ -111,6 +111,7 @@ chapters:
           - file: infrastructure-guide/influx00
           - file: infrastructure-guide/metrics00
           - file: infrastructure-guide/lxsup00
+          - file: infrastructure-guide/icinga2
       - file: infrastructure-guide/infrastructure_administration
       - file: infrastructure-guide/troubleshooting
       - file: infrastructure-guide/initial_setup

infrastructure-guide/icinga2.md

@@ -0,0 +1,28 @@
+# Icinga2
+
+We want to support monitoring of the Linux machines in Icinga2. The Icinga2 infrastructure as such is maintained by AIT, currently mainly Heinz Scheffler, with Bernard Bumbak as deputy.
+
+## Icinga2 Servers
+
+- PROD [monitoring.psi.ch](https://monitoring.psi.ch/) (Loadbalancer)
+    - Primary [vemonma01a.psi.ch](https://vemonma01a.psi.ch/) (with Director)
+    - Secondary [wmonma01b.psi.ch](https://wmonma01b.psi.ch/)
+
+- DEV
+    - Primary [vmonma02a.psi.ch](https://vmonma02a.psi.ch/) (with Director)
+    - Secondary [vmonma02b.psi.ch](https://vmonma02b.psi.ch/)
+
+
+## Automated Host Configuration
+
+The individual host configuration is automatically generated using already known information sources like
+- Hiera
+- Puppet Facts
+- NetOps
+
+TODO: diagram, details how this is achieved
+
+
+## Automated Setup
+
+