pt-heartbeat implementation via Orchestrator nodes.

proxy-oc-heartbeat.sh

#!/bin/bash

OC=/usr/bin/orchestrator-client
IPADDR=$(/sbin/ip ad sh dev eth0 scope global | grep -oE "inet\s(.*)\/" | grep -oE "([0-9]{1,3}\.){3}[0-9]{1,3}")
RAFTLEADER=$($OC -c raft-leader | cut -d: -f1)

if [ "x${IPADDR}" != "x${RAFTLEADER}" ]; then
  exit 0
fi

for h in $($OC -c api --path masters | jq -r  'map(select(.IsDowntimed == false))[] | .Key.Hostname'); do
  pt-heartbeat --create-table --create-table-engine=InnoDB --check-read-only \
    --database=percona --table=heartbeat --host=$h --update --daemonize \
    --run-time=299 --defaults-file=/etc/my.cnf.d/orchestrator.cnf
done

# pt-heartbeat --create-table --create-table-engine=InnoDB --check-read-only \
#  --database=percona --table=heartbeat --host=localhost --update --daemonize \
#  --run-time=299 --defaults-file=/root/.my.cnf --read-only-interval=298 --replace