-- get info from current node
format:
curl --silent http://<patroni_node_ip>:<patroni_rest_api_port>/patroni | jq .
e.g.
curl -s http://10.10.10.10:8008/patroni | jq .
curl --silent http://10.10.10.10:8008/patroni | jq .role
filter objects:
. - get all
.role - get only related lines
-- get metrics
curl --silent http://10.10.10.10:8008/metrics
-- get cluster info
curl --silent http://10.10.10.10:8008/cluster | jq
-- get config
curl --silent http://10.10.10.10:8008/config | jq
-- change config parameter with PATCH request
curl -s -X PATCH -d \
'{"loop_wait":5,"ttl":20,"postgresql":{"parameters"
{"max_connections":"500"}}}' \
http://10.10.10.10:8008/config | jq .
Deep note
curl, command line utility for transferring data (supports HTTP, HTTPS, FTP, SFTP, SCP, etc.)
jq, json query language command line utility
-X, using to define HTTP request method
-d, means that request is POST
PATCH, using to change only related parts (lines) (opposite is PUT)
-s, silent
