matrix-docker-ansible-deploy/roles/custom/matrix_playbook_migration/tasks/validate_config.yml

---

- name: (Deprecation) Catch and report renamed Matrix playbook settings
  ansible.builtin.fail:
    msg: >-
      Your configuration contains a variable, which now has a different name.
      Please change your configuration to rename the variable (`{{ item.old }}` -> `{{ item.new }}`).
  when: "item.old in vars"
  with_items:
    - {'old': 'matrix_vars_yml_snapshotting_enabled', 'new': 'devture_playbook_state_preserver_vars_preservation_enabled'}
    - {'old': 'matrix_vars_yml_snapshotting_src', 'new': 'devture_playbook_state_preserver_vars_preservation_src'}
    - {'old': 'matrix_playbook_commit_hash_preservation_enabled', 'new': 'devture_playbook_state_preserver_commit_hash_preservation_enabled'}

    - {'old': 'matrix_ntpd_package', 'new': 'devture_timesync_ntpd_package'}
    - {'old': 'matrix_ntpd_service', 'new': 'devture_timesync_ntpd_service'}

    - {'old': 'matrix_systemd_unit_home_path', 'new': 'devture_systemd_docker_base_systemd_unit_home_path'}
    - {'old': 'matrix_systemd_path', 'new': 'devture_systemd_docker_base_systemd_path'}
    - {'old': 'matrix_host_command_docker', 'new': 'devture_systemd_docker_base_host_command_docker'}
    - {'old': 'matrix_host_command_sh', 'new': 'devture_systemd_docker_base_host_command_sh'}
    - {'old': 'matrix_host_command_systemctl', 'new': 'devture_systemd_docker_base_host_command_systemctl'}

    - {'old': 'matrix_container_retries_count', 'new': 'devture_playbook_help_container_retries_count'}
    - {'old': 'matrix_container_retries_delay', 'new': 'devture_playbook_help_container_retries_delay'}
    - {'old': 'matrix_geturl_retries_count', 'new': 'devture_playbook_help_geturl_retries_count'}
    - {'old': 'matrix_geturl_retries_delay', 'new': 'devture_playbook_help_geturl_retries_delay'}

    - {'old': 'matrix_nginx_proxy_synapse_cache_path', 'new': 'matrix_synapse_reverse_proxy_companion_synapse_cache_path'}
    - {'old': 'matrix_nginx_proxy_synapse_cache_enabled', 'new': 'matrix_synapse_reverse_proxy_companion_synapse_cache_enabled'}

    - {'old': 'matrix_docker_installation_enabled', 'new': 'matrix_playbook_docker_installation_enabled'}
    - {'old': 'matrix_docker_package_name', 'new': '<Not applicable. Docker is installed using https://github.com/geerlingguy/ansible-role-docker now>'}

    - {'old': 'matrix_systemd_services_list', 'new': 'devture_systemd_service_manager_services_list_additional'}
    - {'old': 'matrix_common_after_systemd_service_start_wait_for_timeout_seconds', 'new': 'devture_systemd_service_manager_up_verification_delay_seconds'}
    - {'old': 'matrix_systemd_services_autostart_enabled', 'new': 'devture_systemd_service_manager_services_autostart_enabled'}
    - {'old': 'matrix_prometheus_node_exporter_metrics_proxying_enabled', 'new': 'matrix_prometheus_services_proxy_connect_prometheus_node_exporter_metrics_proxying_enabled'}
    - {'old': 'matrix_prometheus_postgres_exporter_metrics_proxying_enabled', 'new': 'matrix_prometheus_services_proxy_connect_prometheus_postgres_exporter_metrics_proxying_enabled'}
    - {'old': 'matrix_playbook_traefik_certs_dumper_role_enabled', 'new': 'devture_traefik_certs_dumper_enabled'}
    - {'old': 'matrix_playbook_traefik_role_enabled', 'new': 'devture_traefik_enabled'}

    # Most important variables from the old Prometheus role here, for people who miss the changelog entry
    - {'old': 'matrix_prometheus_enabled', 'new': 'prometheus_enabled'}
    - {'old': 'matrix_prometheus_process_default_arguments', 'new': 'prometheus_process_default_arguments'}
    - {'old': 'matrix_prometheus_process_extra_arguments', 'new': 'prometheus_process_extra_arguments'}
    - {'old': 'matrix_prometheus_configuration_extension_yaml', 'new': 'prometheus_configuration_extension_yaml'}
    - {'old': 'matrix_prometheus_scraper_synapse_enabled', 'new': 'matrix_prometheus_services_connect_synapse_enabled'}
    - {'old': 'matrix_prometheus_scraper_synapse_targets', 'new': '<superseded by matrix_prometheus_services_connect_scraper_synapse_main_process_static_configs_target>'}
    - {'old': 'matrix_prometheus_scraper_synapse_workers_enabled_list', 'new': 'matrix_prometheus_services_connect_scraper_synapse_workers_enabled_list'}
    - {'old': 'matrix_prometheus_scraper_synapse_rules_synapse_tag', 'new': 'matrix_prometheus_services_connect_synapse_rules_download_synapse_tag'}
    - {'old': 'matrix_prometheus_scraper_node_enabled', 'new': 'prometheus_self_node_scraper_enabled'}
    - {'old': 'matrix_prometheus_scraper_node_targets', 'new': '<superseded by prometheus_self_node_scraper_static_configs_target>'}
    - {'old': 'matrix_prometheus_scraper_postgres_enabled', 'new': 'matrix_prometheus_services_connect_scraper_postgres_enabled'}
    - {'old': 'matrix_prometheus_scraper_postgres_targets', 'new': '<superseded by matrix_prometheus_services_connect_scraper_postgres_static_configs_target>'}
    - {'old': 'matrix_prometheus_scraper_hookshot_enabled', 'new': 'matrix_prometheus_services_connect_scraper_hookshot_enabled'}
    - {'old': 'matrix_prometheus_scraper_hookshot_targets', 'new': '<superseded by matrix_prometheus_services_connect_scraper_hookshot_static_configs_target>'}
    - {'old': 'matrix_prometheus_scraper_nginxlog_enabled', 'new': 'matrix_prometheus_services_connect_scraper_nginxlog_enabled'}
    - {'old': 'matrix_prometheus_scraper_nginxlog_server_port', 'new': 'matrix_prometheus_services_connect_scraper_nginxlog_static_configs_target'}
    - {'old': 'matrix_prosody_jitsi_max_participants', 'new': 'jitsi_prosody_max_participants'}
    - {'old': 'jitsi_require_well_known', 'new': 'jitsi_web_well_known_element_jitsi_enabled'}
    - {'old': 'jitsi_wellknown_element_jitsi_json', 'new': 'jitsi_web_well_known_element_jitsi_json'}
    - {'old': 'exim_relay_docker_image', 'new': 'exim_relay_container_image'}
    - {'old': 'exim_relay_docker_image_name_prefix', 'new': 'exim_relay_container_image_name_prefix'}
    - {'old': 'exim_relay_docker_image_force_pull', 'new': 'exim_relay_container_image_force_pull'}

    - {'old': 'matrix_nginx_proxy_proxy_matrix_metrics_enabled', 'new': 'matrix_metrics_exposure_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_metrics_basic_auth_enabled', 'new': 'matrix_metrics_exposure_http_basic_auth_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_metrics_basic_auth_username', 'new': '<superseded by matrix_metrics_exposure_http_basic_auth_users>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_metrics_basic_auth_password', 'new': '<superseded by matrix_metrics_exposure_http_basic_auth_users>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_metrics_basic_auth_raw_content', 'new': '<superseded by matrix_metrics_exposure_http_basic_auth_users>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_metrics_additional_location_configuration_blocks', 'new': '<superseded by adding labels to each individual service that you care about>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks', 'new': '<superseded by adding labels to each individual service that you care about>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_metrics_additional_user_location_configuration_blocks', 'new': '<superseded by adding labels to each individual service that you care about>'}

    - {'old': 'matrix_well_known_matrix_server_enabled', 'new': 'matrix_static_files_file_matrix_server_enabled'}
    - {'old': 'matrix_well_known_matrix_support_enabled', 'new': 'matrix_static_files_file_matrix_support_enabled'}
    - {'old': 'matrix_homeserver_admin_contacts', 'new': 'matrix_static_files_file_matrix_support_property_m_contacts'}
    - {'old': 'matrix_homeserver_support_url', 'new': 'matrix_static_files_file_matrix_support_property_m_support_page'}
    - {'old': 'matrix_well_known_matrix_client_io_element_e2ee_default', 'new': 'matrix_static_files_file_matrix_client_property_io_element_e2ee_default'}
    - {'old': 'matrix_well_known_matrix_client_io_element_e2ee_secure_backup_required', 'new': 'matrix_static_files_file_matrix_client_property_io_element_e2ee_secure_backup_required'}
    - {'old': 'matrix_well_known_matrix_client_io_element_e2ee_secure_backup_setup_methods', 'new': 'matrix_static_files_file_matrix_client_property_io_element_e2ee_secure_backup_setup_methods'}
    - {'old': 'matrix_well_known_matrix_client_configuration_extension_json', 'new': 'matrix_static_files_file_matrix_client_configuration_extension_json'}
    - {'old': 'matrix_well_known_matrix_server_configuration_extension_json', 'new': 'matrix_static_files_file_matrix_server_configuration_extension_json'}
    - {'old': 'matrix_well_known_matrix_support_configuration_extension_json', 'new': 'matrix_static_files_file_matrix_support_configuration_extension_json'}
    - {'old': 'matrix_nginx_proxy_self_check_validate_certificates', 'new': 'matrix_static_files_self_check_validate_certificates'}
    - {'old': 'matrix_nginx_proxy_self_check_well_known_matrix_client_follow_redirects', 'new': 'matrix_static_files_self_check_well_known_matrix_client_follow_redirects'}
    - {'old': 'matrix_nginx_proxy_base_domain_serving_enabled', 'new': 'matrix_static_files_container_labels_base_domain_enabled'}
    - {'old': 'matrix_nginx_proxy_base_domain_hostname', 'new': 'matrix_static_files_container_labels_base_domain_traefik_hostname'}
    - {'old': 'matrix_nginx_proxy_base_domain_homepage_enabled', 'new': 'matrix_static_files_file_index_html_enabled'}
    - {'old': 'matrix_nginx_proxy_base_domain_create_directory', 'new': '<no longer necessary; see matrix_static_files_file_index_html_enabled>'}
    - {'old': 'matrix_nginx_proxy_proxy_riot_compat_redirect_enabled', 'new': '<redirecting the riot domain to an element domain is no longer supported - you can implement it yourself using matrix_client_element_container_labels_additional_labels>'}
    - {'old': 'matrix_nginx_proxy_proxy_riot_compat_redirect_hostname', 'new': '<redirecting the riot domain to an element domain is no longer supported - you can implement it yourself using matrix_client_element_container_labels_additional_labels>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_client_redirect_root_uri_to_domain', 'new': '<superseded by matrix_synapse_container_labels_client_root_redirection_* or other equivalent variables based on the homeserver implementation you use>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_client_api_forwarded_location_synapse_client_api_enabled', 'new': 'matrix_synapse_container_labels_client_synapse_client_api_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_client_api_forwarded_location_synapse_oidc_api_enabled', 'new': 'matrix_synapse_container_labels_client_synapse_oidc_api_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_client_api_forwarded_location_synapse_admin_api_enabled', 'new': 'matrix_synapse_container_labels_client_synapse_admin_api_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_identity_api_enabled', 'new': '<superseded by matrix_ma1sd_container_labels_traefik_enabled and matrix_ma1sd_container_labels_matrix_identity_enabled>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_identity_api_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_identity_api_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_user_directory_search_enabled', 'new': '<superseded by matrix_ma1sd_container_labels_traefik_enabled and matrix_ma1sd_container_labels_matrix_client_user_directory_search_enabled>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_user_directory_search_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_user_directory_search_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_user_directory_search_v3_to_r0_redirect_enabled', 'new': '<superseded by matrix_ma1sd_container_labels_matrix_client_user_directory_search_path>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_3pid_registration_enabled', 'new': 'matrix_ma1sd_container_labels_matrix_client_3pid_registration_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_3pid_registration_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_3pid_registration_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_matrix_3pid_registration_v3_to_r0_redirect_enabled', 'new': '<superseded by matrix_ma1sd_container_labels_matrix_client_3pid_registration_path>'}
    - {'old': 'matrix_nginx_proxy_proxy_conduit_enabled', 'new': 'matrix_conduit_container_labels_traefik_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_conduit_block_federation_api_on_client_port', 'new': '<not supported anymore - the /_matrix/federation endpoints are now also being served on the Client-Server API port>'}
    - {'old': 'matrix_nginx_proxy_proxy_conduit_federation_api_enabled', 'new': 'matrix_conduit_container_labels_federation_api_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_conduit_client_api_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_conduit_client_api_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_conduit_federation_api_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_conduit_federation_api_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_conduit_additional_server_configuration_blocks', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_dendrite_enabled', 'new': 'matrix_dendrite_container_labels_traefik_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_dendrite_block_federation_api_on_client_port', 'new': '<not supported anymore - the /_matrix/federation endpoints are now also being served on the Client-Server API port>'}
    - {'old': 'matrix_nginx_proxy_proxy_dendrite_federation_api_enabled', 'new': 'matrix_dendrite_container_labels_federation_api_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_dendrite_client_api_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_dendrite_client_api_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_dendrite_federation_api_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_dendrite_federation_api_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_dendrite_additional_server_configuration_blocks', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_synapse_enabled', 'new': 'matrix_synapse_container_labels_traefik_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_synapse_federation_api_enabled', 'new': 'matrix_synapse_container_labels_federation_api_enabled'}
    - {'old': 'matrix_nginx_proxy_proxy_synapse_client_api_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_synapse_client_api_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_synapse_federation_api_addr_with_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_synapse_federation_api_addr_sans_container', 'new': '<removed>'}
    - {'old': 'matrix_nginx_proxy_proxy_synapse_additional_server_configuration_blocks', 'new': '<removed>'}
    - {'old': 'etherpad_nginx_proxy_dimension_integration_enabled', 'new': '<removed>'}
    - {'old': 'etherpad_nginx_proxy_dimension_integration_path_prefix', 'new': '<removed>'}

- name: (Deprecation) Catch and report matrix_postgres variables
  ansible.builtin.fail:
    msg: |-
      The matrix-postgres role in the playbook has been replaced with the com.devture.ansible.role.postgres role (https://github.com/devture/com.devture.ansible.role.postgres).
      The new role is pretty much the same, but uses differently named variables.

      The matrix-postgres-backup role in the playbook has been replaced with the com.devture.ansible.role.postgres_backup role (https://github.com/devture/com.devture.ansible.role.postgres_backup).
      The new role is pretty much the same, but uses differently named variables.

      Please change your configuration (vars.yml) to rename all `matrix_postgres`-prefixed variables (`matrix_postgres_*` -> `devture_postgres_*`).

      The following variables in your configuration need to be renamed: {{ vars | dict2items | selectattr('key', 'match', 'matrix_postgres_.*') | map (attribute='key') | join(', ') }}
  when: "vars | dict2items | selectattr('key', 'match', 'matrix_postgres_.*') | list | items2dict"

- name: (Deprecation) Catch and report matrix_mailer_ variables
  ansible.builtin.fail:
    msg: |-
      The matrix-mailer role in the playbook has been replaced with the exim-relay role (https://github.com/mother-of-all-self-hosting/ansible-role-exim-relay).
      The new role is pretty much the same, but uses differently named variables.

      Please change your configuration (vars.yml) to rename all `matrix_mailer`-prefixed variables (`matrix_mailer_*` -> `exim_relay_*`).

      The following variables in your configuration need to be renamed: {{ vars | dict2items | selectattr('key', 'match', 'matrix_mailer_.*') | map (attribute='key') | join(', ') }}
  when: "vars | dict2items | selectattr('key', 'match', 'matrix_mailer_.*') | list | items2dict"

- when: matrix_playbook_migration_matrix_prometheus_node_exporter_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_matrix_prometheus_node_exporter_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_prometheus_node_exporter_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_prometheus_node_exporter variables
      ansible.builtin.fail:
        msg: >-
          The matrix-prometheus-node-exporter role that used to be part of this playbook has been replaced by https://gitlab.com/etke.cc/roles/prometheus_node_exporter.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_prometheus_node_exporter_` -> `prometheus_node_exporter_`).
          We found usage of the following variables: {{ matrix_playbook_migration_matrix_prometheus_node_exporter_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_matrix_prometheus_node_exporter_migration_vars | length > 0"

- when: matrix_playbook_migration_matrix_prometheus_postgres_exporter_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_matrix_prometheus_postgres_exporter_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_prometheus_postgres_exporter_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_prometheus_postgres_exporter variables
      ansible.builtin.fail:
        msg: >-
          The matrix-prometheus-postgres-exporter role that used to be part of this playbook has been replaced by https://gitlab.com/etke.cc/roles/prometheus_postgres_exporter.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_prometheus_postgres_exporter_` -> `prometheus_postgres_exporter_`).
          We found usage of the following variables: {{ matrix_playbook_migration_matrix_prometheus_postgres_exporter_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_matrix_prometheus_postgres_exporter_migration_vars | length > 0"

- when: matrix_playbook_migration_matrix_backup_borg_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_backup_borg_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_backup_borg_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_backup_borg variables
      ansible.builtin.fail:
        msg: >-
          The matrix-backup-borg role that used to be part of this playbook has been replaced by https://gitlab.com/etke.cc/roles/backup_borg.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_backup_borg_` -> `backup_borg_`).
          We found usage of the following variables: {{ matrix_playbook_migration_backup_borg_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_backup_borg_migration_vars | length > 0"

- when: matrix_playbook_migration_matrix_grafana_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_grafana_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_grafana_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_grafana variables
      ansible.builtin.fail:
        msg: >-
          The matrix-grafana role that used to be part of this playbook has been replaced by https://gitlab.com/etke.cc/roles/grafana.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_grafana_` -> `grafana_`).
          We found usage of the following variables: {{ matrix_playbook_migration_grafana_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_grafana_migration_vars | length > 0"

- when: matrix_playbook_migration_matrix_ntfy_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_ntfy_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_ntfy_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_ntfy variables
      ansible.builtin.fail:
        msg: >-
          The matrix-ntfy role that used to be part of this playbook has been replaced by https://gitlab.com/etke.cc/roles/ntfy.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_ntfy_` -> `ntfy_`).
          We found usage of the following variables: {{ matrix_playbook_migration_ntfy_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_ntfy_migration_vars | length > 0"

- when: matrix_playbook_migration_matrix_redis_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_redis_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_redis_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_redis variables
      ansible.builtin.fail:
        msg: >-
          The matrix-redis role that used to be part of this playbook has been replaced by https://gitlab.com/etke.cc/roles/redis.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_redis_` -> `redis_`).
          We found usage of the following variables: {{ matrix_playbook_migration_redis_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_redis_migration_vars | length > 0"

- when: matrix_playbook_migration_matrix_etherpad_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_etherpad_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_etherpad_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_etherpad variables
      ansible.builtin.fail:
        msg: >-
          The matrix-etherpad role that used to be part of this playbook has been replaced by https://gitlab.com/etke.cc/roles/etherpad.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_etherpad_` -> `etherpad_`).
          We found usage of the following variables: {{ matrix_playbook_migration_etherpad_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_etherpad_migration_vars | length > 0"

- when: matrix_playbook_migration_matrix_aux_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_aux_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_aux_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_aux variables
      ansible.builtin.fail:
        msg: >-
          The matrix-aux role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-aux.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_aux_` -> `aux_`).
          We found usage of the following variables: {{ matrix_playbook_migration_aux_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_aux_migration_vars | length > 0"

- when: matrix_playbook_migration_matrix_jitsi_migration_validation_enabled | bool
  block:
    - ansible.builtin.set_fact:
        matrix_playbook_migration_jitsi_migration_vars: |-
          {{ vars | dict2items | selectattr('key', 'match', 'matrix_jitsi_.*') | list | items2dict }}

    - name: (Deprecation) Catch and report matrix_jitsi variables
      ansible.builtin.fail:
        msg: >-
          The matrix-jitsi role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-jitsi.
          The new role is compatible with the old one, but uses different names for its variables.
          Please change your configuration (vars.yml) to rename all variables (`matrix_jitsi_` -> `jitsi_`).
          We found usage of the following variables: {{ matrix_playbook_migration_jitsi_migration_vars.keys() | join(', ') }}
      when: "matrix_playbook_migration_jitsi_migration_vars | length > 0"