--- shared_service_pg_master_ip: "{{ stage_server_infos | selectattr('name', 'match', stage + '-postgres-01' ) | map(attribute='private_ip') | list | first | default('-') }}" shared_service_pg_slave_ip: "{{ stage_server_infos | selectattr('name', 'match', stage + '-postgres-02' ) | map(attribute='private_ip') | list | first | default('-') }}" shared_service_postgres_01_hostname: "{{ stage }}-postgres-01" shared_service_postgres_02_hostname: "{{ stage }}-postgres-02"