Merge pull request 'Another dirty playbook.' (#2) from egon into master

Reviewed-on: #2
Reviewed-by: B.E. Droge <b.e.droge@rug.nl>

clean_known_hosts.yml

@@ -0,0 +1,9 @@
+---
+- hosts: localhost
+  #become: yes
+  tasks:
+  - name: Show contents of known_hosts file
+    shell: |
+      echo '@cert-authority * ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHKIoXTMdFFpDfJOt7HUQxFOJv+2Di2qzwseBkclxoZ4 CA key for CIT HPC clusters' >  /var/lib/awx/.ssh/known_hosts
+    ignore_errors: yes
+    delegate_to: 127.0.0.1

hello.yml

@@ -1,8 +0,0 @@
----
-- name: Echo 
-  hosts: peregrine
-
-  tasks:
-  - name: Print hello
-    debug:
-      msg: Hello, world!

hosts

@@ -1,2 +1,3 @@
 [peregrine]
-pg-node123
+pg-node123
+pg-node124

hugin_in_etc_hosts.yml

@@ -0,0 +1,9 @@
+---
+- hosts: localhost
+  tasks:
+  - name: Add hugin to /etc/hosts
+    ansible.builtin.lineinfile:
+      line: '195.169.22.139 hugin'
+      path: /etc/hosts
+      state: present
+    delegate_to: 127.0.0.1