Fix the remaining var-spacing ansible-lint errors

Reference: https://ansible-lint.readthedocs.io/en/latest/default_rules/#var-spacing

roles/matrix-postgres/defaults/main.yml

@@ -78,7 +78,7 @@ matrix_postgres_import_roles_to_ignore: [matrix_postgres_connection_username]
 # which is unsupported by default by newer Postgres versions (v14+).
 # When users are created and passwords are set by the playbook, they end up hashed as `scram-sha-256` on Postgres v14+.
 # If an md5-hashed password is restored on top, Postgres v14+ will refuse to authenticate users with it by default.
-matrix_postgres_import_roles_ignore_regex: "^(CREATE|ALTER) ROLE ({{ matrix_postgres_import_roles_to_ignore | join('|') }})(;| WITH)"
+matrix_postgres_import_roles_ignore_regex: "^(CREATE|ALTER) ROLE ({{ matrix_postgres_import_roles_to_ignore | join('|') }})(;| WITH)"  # noqa var-spacing
 
 # A list of databases to avoid creating when importing (or upgrading) the database.
 # If a dump file contains the databases and they've also been created beforehand (see `matrix_postgres_additional_databases`),
@@ -86,7 +86,7 @@ matrix_postgres_import_roles_ignore_regex: "^(CREATE|ALTER) ROLE ({{ matrix_post
 # We either need to not create them or to ignore the `CREATE DATABASE` statements in the dump.
 matrix_postgres_import_databases_to_ignore: [matrix_postgres_db_name]
 
-matrix_postgres_import_databases_ignore_regex: "^CREATE DATABASE ({{ matrix_postgres_import_databases_to_ignore | join('|') }})\\s"
+matrix_postgres_import_databases_ignore_regex: "^CREATE DATABASE ({{ matrix_postgres_import_databases_to_ignore | join('|') }})\\s"  # noqa var-spacing
 
 # The number of seconds to wait after starting `matrix-postgres.service`
 # and before trying to run queries for creating additional databases/users against it.

roles/matrix-postgres/tasks/import_postgres.yml

@@ -84,6 +84,8 @@
       grep -vE '{{ matrix_postgres_import_roles_ignore_regex }}' |
       grep -vE '{{ matrix_postgres_import_databases_ignore_regex }}' |
       psql -v ON_ERROR_STOP=1 -h matrix-postgres --dbname={{ postgres_default_import_database }}"
+  tags:
+    - skip_ansible_lint
 
 # This is a hack.
 # See: https://ansibledaily.com/print-to-standard-output-without-escaping/

roles/matrix-postgres/tasks/upgrade_postgres.yml

@@ -93,6 +93,8 @@
       > /out/{{ postgres_dump_name }}"
   register: matrix_postgres_upgrade_postgres_dump_command_result
   changed_when: matrix_postgres_upgrade_postgres_dump_command_result.rc == 0
+  tags:
+    - skip_ansible_lint
 
 - name: Ensure matrix-postgres is stopped
   ansible.builtin.service:
@@ -144,6 +146,8 @@
       grep -vE '{{ matrix_postgres_import_roles_ignore_regex }}' |
       grep -vE '{{ matrix_postgres_import_databases_ignore_regex }}' |
       psql -v ON_ERROR_STOP=1 -h matrix-postgres"
+  tags:
+    - skip_ansible_lint
 
 # This is a hack.
 # See: https://ansibledaily.com/print-to-standard-output-without-escaping/

roles/matrix-synapse/vars/main.yml

@@ -31,4 +31,8 @@ matrix_synapse_workers_generic_worker_client_server_endpoints: "{{ matrix_synaps
 #
 # This is some ugly Ansible/Jinja2 hack (seen here: https://stackoverflow.com/a/47831492),
 # which takes a list of various strings and removes the ones NOT containing `/_matrix/federation` or `/_matrix/key` anywhere in them.
-matrix_synapse_workers_generic_worker_federation_endpoints: "{{ matrix_synapse_workers_generic_worker_endpoints | default([]) | map('regex_search', '.*(/_matrix/federation|/_matrix/key).*') | list | difference([none]) }}"
+matrix_synapse_workers_generic_worker_federation_endpoints: "{{ matrix_synapse_workers_generic_worker_endpoints | default([]) | map('regex_search', matrix_synapse_workers_generic_worker_federation_endpoints_regex) | list | difference([none]) }}"
+
+# matrix_synapse_workers_generic_worker_federation_endpoints_regex contains the regex used in matrix_synapse_workers_generic_worker_federation_endpoints.
+# It's intentionally put in a separate variable, to avoid tripping ansible-lint's var-spacing rule.
+matrix_synapse_workers_generic_worker_federation_endpoints_regex: '.*(/_matrix/federation|/_matrix/key).*'