Merge pull request #58 from kysrpex/gpg_keys

Add RHEL GPG key with PGDG prefix (allows installing PostgreSQL >= 11)

tasks/redhat.yml

@@ -13,11 +13,16 @@
   register: __postgresql_repo_pkg_installed_result
   ignore_errors: true
 
-- name: Install repository key
+- name: Install repository key (PostgreSQL v10 and below)
   rpm_key:
     key: https://download.postgresql.org/pub/repos/yum/keys/RPM-GPG-KEY-PGDG
     state: present
 
+- name: Install repository key (PostgreSQL v11 and above)
+  rpm_key:
+    key: https://download.postgresql.org/pub/repos/yum/keys/PGDG-RPM-GPG-KEY-RHEL
+    state: present
+
 - name: Install pgdg repository package (RedHat)
   yum:
     name: >-