New parameters.

defaults/main.yml

@@ -90,9 +90,11 @@ mongodb_prometheus_exporter_file: '{{ mongodb_prometheus_exporter_dir }}.tar.gz'
 mongodb_prometheus_exporter_download_url: 'https://github.com/percona/mongodb_exporter/releases/download/v{{ mongodb_prometheus_exporter_version }}/{{ mongodb_prometheus_exporter_file }}'
 mongodb_prometheus_exporter_port: 9216
 mongodb_prometheus_exporter_loglevel: error
+mongodb_prometheus_exporter_collstat_limit: '20'
 mongodb_prometheus_exporter_opts: '--web.listen-address=":{{ mongodb_prometheus_exporter_port }}" --log.level={{ mongodb_prometheus_exporter_loglevel }}'
 mongodb_prometheus_exporter_connection_opts: '--mongodb.uri="mongodb://{{ mongodb_prometheus_exporter_connection_user }}:{{ mongodb_prometheus_exporter_connection_password }}@{{ mongodb_prometheus_exporter_connection_host }}/{{ mongodb_prometheus_exporter_connection_params }}"'
-mongodb_prometheus_exporter_collect_opts: '--mongodb.global-conn-pool --mongodb.direct-connect=true --collector.topmetrics --discovering-mode --collector.dbstats'
+mongodb_prometheus_exporter_collect_opts: '--mongodb.global-conn-pool --mongodb.direct-connect=true --collector.topmetrics --discovering-mode --collector.dbstats --collector.collstats-limit={{ mongodb_prometheus_exporter_collstat_limit }}'
+mongodb_prometheus_exporter_enable_compatible_mode: False
 # List the additional options here
 mongodb_prometheus_exporter_additional_opts: ''
 mongodb_prometheus_exporter_user: prometheus_mongodb

templates/mongodb_exporter.service.j2

@@ -9,7 +9,7 @@ Restart=on-failure
 User={{ mongodb_prometheus_exporter_user }}
 Group={{ mongodb_prometheus_exporter_user }}
 
-ExecStart={{ mongodb_prometheus_exporter_cmd }} {{ mongodb_prometheus_exporter_opts }} {{ mongodb_prometheus_exporter_additional_opts }} {{ mongodb_prometheus_exporter_collect_opts }} {{ mongodb_prometheus_exporter_connection_opts }}
+ExecStart={{ mongodb_prometheus_exporter_cmd }} {{ mongodb_prometheus_exporter_opts }} {{ mongodb_prometheus_exporter_additional_opts }} {{ mongodb_prometheus_exporter_collect_opts }} {{ mongodb_prometheus_exporter_connection_opts }}{% if mongodb_prometheus_exporter_enable_compatible_mode %} --compatible-mode{% endif %}
 
 [Install]
 WantedBy=multi-user.target

templates/mongodb_exporter.upstart.j2

@@ -8,5 +8,5 @@ setuid {{ mongodb_prometheus_exporter_user }}
 setgid {{ mongodb_prometheus_exporter_user }}
 
 script
-  exec {{ mongodb_prometheus_exporter_cmd }} {{ mongodb_prometheus_exporter_opts }} {{ mongodb_prometheus_exporter_connection_opts }} {{ mongodb_prometheus_exporter_collect_opts }} {{ mongodb_prometheus_exporter_additional_opts }}
+  exec {{ mongodb_prometheus_exporter_cmd }} {{ mongodb_prometheus_exporter_opts }} {{ mongodb_prometheus_exporter_connection_opts }} {{ mongodb_prometheus_exporter_collect_opts }} {{ mongodb_prometheus_exporter_additional_opts }}{% if mongodb_prometheus_exporter_enable_compatible_mode %} --compatible-mode{% endif %}
 end script