RethinkDB Prometheus exporter
RethinkDB statistics exporter for Prometheus.
Current version: v1.0.1 (RethinkDB v2.4)
Build and Run
Local build and run:
git clone https://github.com/rethinkdb/prometheus-exporter.git
cd prometheus-exporter
go build -o rethinkdb-exporter
./rethinkdb-exporter
Docker build and run:
git clone https://github.com/rethinkdb/prometheus-exporter.git
cd prometheus-exporter
docker build --tag rethinkdb-exporter .
docker run -d -p 9050:9050 rethinkdb-exporter
Parameters
Exporter can get parameters from config file, CLI flags or Environment variables.
CLI flag |
Env var name |
Config key |
Description |
--config |
- |
- |
Config file (default to prometheus-exporter.yaml) |
--web.listen-address string |
WEB_LISTEN_ADDRESS |
web.listen_address |
Address to listen on for web interface and telemetry (default "0.0.0.0:9055") |
--web.telemetry-path string |
WEB_TELEMETRY_PATH |
web.telemetry_path |
Path under which to expose metrics (default "/metrics") |
--db.address |
DB_ADDRESSES |
db.rethinkdb_addresses |
Address of one or more nodes of rethinkdb (default [localhost:28015]) |
--db.enable-tls |
DB_ENABLE_TLS |
db.enable_tls |
Enable to use tls connection |
--db.ca |
DB_CA |
db.ca_file |
Path to CA certificate file for tls connection |
--db.cert |
DB_CERT |
db.certificate_file |
Path to certificate file for tls connection |
--db.key |
DB_KEY |
db.key_file |
Path to key file for tls connection |
--db.username |
DB_USERNAME |
db.username |
Username of rethinkdb user |
--db.password |
DB_PASSWORD |
db.password |
Password of rethinkdb user |
--db.pool-size |
DB_POOL_SIZE |
db.connection_pool_size |
Size of connection pool to rethinkdb (default 5) |
--log.debug |
LOG_DEBUG |
log.debug |
Verbose debug logs |
--log.json-output |
LOG_JSON_OUTPUT |
log.json_output |
Use JSON output for logs |
--stats.table-estimates |
STATS_TABLE_ESTIMATES |
stats.table_docs_estimates |
Collect docs count estimates for each table |
Config file can be yaml or json. Example:
web:
listen_address: "0.0.0.0:9050"
db:
rethinkdb_addresses:
- "0.0.0.0:28015"
- "0.0.0.0:28016"
stats:
table_docs_estimates: true
Metrics
Most of the RethinkDB stats table are exported.
Optionally table rows count estimates can be exported from Table info.
Grafana dashboard
Grafana can be found here.
Contribution
Pull requests and issues are welcome.