Mint might need static mapping to Ubuntu

roles/mongodb/tasks/install.yml

@@ -91,7 +91,14 @@
       repo: deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu {{ ansible_distribution_release }}/mongodb-org/4.4 multiverse
       state: present
       filename: mongodb-org
-    when: is_ubuntu
+    when: is_ubuntu and not is_mint
+
+  - name: Add mongodb repo for Mint 64bit only
+    apt_repository:
+      repo: deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/4.4 multiverse
+      state: present
+      filename: mongodb-org
+    when: is_mint_20
 
   - name: "Install packages: mongodb-org, mongodb-org-server"
     package:

vars/default_vars.yml

@@ -704,6 +704,10 @@ is_ubuntu_18: False
 is_ubuntu_17: False
 is_ubuntu_16: False
 
+is_mint: False       # subset of is_ubuntu
+is_mint_20: False
+
+
 is_debian: False    # Covers both: Debian, Raspbian (Raspberry Pi OS)
 is_debian_10: False
 is_debian_9: False

vars/linuxmint-20.yml

@@ -1,6 +1,9 @@
 is_debuntu: True
 is_ubuntu: True
 is_ubuntu_20: True
+is_mint: True
+is_mint_20: True
+
 
 # 2019-03-23: These apply if-only-if named_install and/or dhcpd_install are True
 # (This is quite rare now that vars/default_vars.yml sets dnsmasq_install: True)