add the ppa key back as soon as we remove it

playbooks/roles/server_utils/defaults/main.yml

@@ -42,3 +42,4 @@ server_utils_debian_pkgs:
 server_utils_redhat_pkgs: []
 
 SERVER_UTILS_EDX_PPA_KEY_ID: "69464050"
+SERVER_UTILS_EDX_PPA_KEY_SERVER: "keyserver.ubuntu.com"

playbooks/roles/server_utils/tasks/main.yml

@@ -29,6 +29,13 @@
   command: "sudo apt-key remove {{ SERVER_UTILS_EDX_PPA_KEY_ID }}"
   when: "'expired' in  ppa_key_status.stdout"
 
+- name: Add edX PPA apt key
+  apt_key:
+    id: "{{ SERVER_UTILS_EDX_PPA_KEY_ID }}"
+    keyserver: "{{ SERVER_UTILS_EDX_PPA_KEY_SERVER }}"
+    state: "present"
+  when: "'expired' in  ppa_key_status.stdout"
+
 - name: Install ubuntu system packages
   apt:
     name: "{{ item }}"