Debian/Ubuntu: Do not install python3-pysqlite2

The python3-pysqlite2 package is no longer available, and the built-in
sqlite3 library is used instead.

Closes-Bug: #2046335
Change-Id: I9642ca3b6e37d3a85ae274d38a8376e9afa03042

manifests/db.pp

@@ -156,7 +156,7 @@ define oslo::db(
         require 'postgresql::lib::python'
       }
       Oslo::Dbconn::Sqlite: {
-        $backend_package = $::oslo::params::sqlite_package_name
+        $backend_package = undef
       }
       default: {
         $backend_package = undef

manifests/params.pp

@@ -9,7 +9,6 @@ class oslo::params {
 
   case $facts['os']['family'] {
     'RedHat': {
-      $sqlite_package_name            = undef
       $pymysql_package_name           = undef
       $python_memcache_package_name   = 'python3-memcached'
       $python_redis_package_name      = 'python3-redis'
@@ -18,7 +17,6 @@ class oslo::params {
       $python_pymemcache_package_name = 'python3-pymemcache'
     }
     'Debian': {
-      $sqlite_package_name            = 'python3-pysqlite2'
       $pymysql_package_name           = 'python3-pymysql'
       $python_memcache_package_name   = 'python3-memcache'
       $python_redis_package_name      = 'python3-redis'

spec/defines/oslo_db_spec.rb

@@ -168,32 +168,6 @@ describe 'oslo::db' do
         end
       end
     end
-
-    context 'with sqlite backend' do
-      let :params do
-        { :connection => 'sqlite:///var/lib/db.db', }
-      end
-
-      it 'install the proper backend package' do
-        is_expected.to contain_package(platform_params[:pysqlite2_package_name]).with(
-          :ensure => 'installed',
-          :name   => platform_params[:pysqlite2_package_name],
-          :tag    => 'openstack'
-        )
-      end
-
-      context 'with backend package management disabled' do
-        before do
-          params.merge!({
-            :manage_backend_package => false,
-          })
-        end
-
-        it 'does not install backend package' do
-          is_expected.not_to contain_package('python-pysqlite2')
-        end
-      end
-    end
   end
 
   shared_examples 'oslo-db on RedHat' do
@@ -222,13 +196,11 @@ describe 'oslo::db' do
           {
             :pymongo_package_name   => 'python3-pymongo',
             :pymysql_package_name   => 'python3-pymysql',
-            :pysqlite2_package_name => 'python3-pysqlite2',
           }
         when 'RedHat'
           {
             :pymongo_package_name   => 'python3-pymongo',
             :pymysql_package_name   => nil,
-            :pysqlite2_package_name => nil,
           }
         end
       end