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

Author: austb

acceptance/helper.rb

@@ -528,8 +528,8 @@ def enable_https_apt_sources(host)
   end
 
   def postgres_manifest
-    # bionic is EOL, so its pgdg repo has been removed.
-    manage_package_repo = ! is_bionic
+    # For EOL OSes, pgdg removes the package repo
+    manage_package_repo = ! (is_bionic || is_buster)
 
     manifest = <<-EOS
       # create the puppetdb database

acceptance/setup/pre_suite/40_install_deps.rb

@@ -32,10 +32,14 @@
       on master, "dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm"
       on master, "dnf -qy module disable postgresql"
     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