feat(#347): add managed motd banner (#362)

* feat(#347): add managed motd banner

* fix(#347): adjust motd for what prod already shows

* fix(#347): disable ubuntu pro motd, enable header, clean up psf motd

* chore(#347): apply lint

* Update salt/base/motd.sls

Co-authored-by: Ee Durbin <[email protected]>

* Update salt/base/motd.sls

Co-authored-by: Ee Durbin <[email protected]>

* Update salt/base/motd.sls

* Update salt/base/motd.sls

* Update salt/base/motd.sls

---------

Co-authored-by: Ee Durbin <[email protected]>

Author: JacobCoffee

salt/base/motd.sls

@@ -0,0 +1,40 @@
+/etc/update-motd.d/10-help-text:
+  file.managed:
+    - mode: "0644"
+    - replace: False
+
+/etc/update-motd.d/60-unminimize:
+  file.managed:
+    - mode: "0644"
+    - replace: False
+
+/etc/update-motd.d/91-contract-ua-esm-status:
+  file.managed:
+    - mode: "0644"
+    - replace: False
+
+/etc/update-motd.d/99-psf:
+  file.managed:
+    - mode: "0755"
+    - contents: |
+        #!/bin/bash
+
+        cat << 'EOF'
+
+        ============================================================
+         __       _ _                                             _
+        / _\ __ _| | |_    /\/\   __ _ _ __   __ _  __ _  ___  __| |
+        \ \ / _` | | __|  /    \ / _` | '_ \ / _` |/ _` |/ _ \/ _` |
+        _\ \ (_| | | |_  / /\/\ \ (_| | | | | (_| | (_| |  __/ (_| |
+        \__/\__,_|_|\__| \/    \/\__,_|_| |_|\__,_|\__, |\___|\__,_|
+                                                   |___/
+        ============================================================
+
+        !! WARNING !!: This host is managed by the PSF Salt infrastructure.
+        Any changes made to this host may be reverted.
+
+        Repository: https://github.com/python/psf-salt
+
+        EOF
+
+        echo ""

salt/top.sls

@@ -17,6 +17,7 @@ base:
     - tls
     - rsyslog
     - datadog
+    - base.motd
 
   'backup-server':
     - match: nodegroup