(maint) test: get postgres from archive on debian 10

Author: austb

acceptance/helper.rb

@@ -547,10 +547,10 @@ def enable_https_apt_sources(host)
   end
 
   def postgres_manifest
-    # bionic is EOL, so its pgdg repo has been removed.
+    # bionic and buster are EOL, so the pgdg repos were removed.
     # For RedHat, the versions of the module that support upgrade_oldest
     # tests from Puppet 6 configure the wrong GPG key
-    manage_package_repo = ! ( is_bionic || is_el )
+    manage_package_repo = ! ( is_bionic || is_buster || is_el )
 
     manifest = <<-EOS
       # create the puppetdb database

acceptance/setup/pre_suite/40_install_deps.rb

@@ -25,10 +25,14 @@
     step "Install PostgreSQL el8 repo" do
       on master, "dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-9-x86_64/pgdg-redhat-repo-latest.noarch.rpm"
     end
+  # these OSes are EOL, so get postgresql from the archive
   elsif is_bionic
-    # bionic is EOL, so get postgresql from the archive
     on master, 'echo "deb https://apt-archive.postgresql.org/pub/repos/apt bionic-pgdg main" >> /etc/apt/sources.list'
     on master, 'curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -'
     on master, 'apt update'
+  elsif is_buster
+    on master, 'echo "deb https://apt-archive.postgresql.org/pub/repos/apt buster-pgdg main" >> /etc/apt/sources.list'
+    on master, 'curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -'
+    on master, 'apt update'
   end
 end