Add support for standard EDB subscription plan for repo script download

This is in addition to the current support for the enterprise plan, and
makes it configurable, with the default remaining enterprise.

roles/setup_repo/README.md

@@ -54,6 +54,10 @@ When executing the role via Ansible these are the required variables:
   EDB repository token used to access EDB package repository.
   Required when **enable_edb_repo** is set to `true` and **repo_username** and **repo_password** aren't used.
 
+  * **repo_plan**
+
+  Configure the EDB support plan. Plans supported are: `standard` and `enterprise`. Default: `enterprise`
+
   * **enable_pgdg_repo** 
 
   Configure access to the PGDG package repository. Default: `true`. Only set to `false` when using local repositories. 

roles/setup_repo/defaults/main.yml

@@ -5,11 +5,12 @@
 # PG_RPMREPO: "https://yum.enterprisedb.com/edb-repo-rpms/edb-repo-latest.noarch.rpm"
 # After 06/23/2020 - Redesigned EDB Portal
 
-# EDB repository username, password and subscription token
+# EDB repository username, password, subscription token and subscription plan
 enable_edb_repo: true
 repo_token: ""
 repo_username: ""
 repo_password: ""
+repo_plan: "enterprise"
 
 # TPA Specific token variable
 tpa_subscription_token: ""
@@ -37,7 +38,7 @@ edb_2q_repositories:
   - bdr4/release
   - harp/release
 edb_repo_base_download: "https://downloads.enterprisedb.com/{{ repo_token }}"
-edb_repo_script_link: "{{ edb_repo_base_download }}/enterprise/setup.{{ 'rpm' if ansible_os_family == 'RedHat' else 'deb' }}.sh"
+edb_repo_script_link: "{{ edb_repo_base_download }}/{{ repo_plan }}/setup.{{ 'rpm' if ansible_os_family == 'RedHat' else 'deb' }}.sh"
 
 # EDB postgres_distributed RPM repo links
 pgd_rpm_repo: