tripleo-common/healthcheck/redis
Alex Schultz c10d309678 Fix redis healthcheck
nc is not installed in the containers by default, but socat is available
so lets use that instead.

Change-Id: Ib98e06531d414f62498fd7c1130899f74a066957
Closes-Bug: #1771705
2018-05-16 18:31:28 -06:00

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#!/bin/bash
if parse_out=$(cat "/etc/redis.conf" | egrep "^bind +.*$"); then
redis_host=$(echo -n $parse_out | awk '{print $2}')
else
redis_host=127.0.0.1
fi
if parse_out=$(cat "/etc/redis.conf" | egrep "^port +.*$"); then
redis_port=$(echo -n $parse_out | awk '{print $2}')
else
redis_port=6379
fi
if parse_out=$(cat "/etc/redis.conf" | egrep "^requirepass +.*$"); then
redis_pass=$(echo -n $parse_out | awk '{print $2}')
result=$(printf "*2\r\n\$4\r\nAUTH\r\n\$${#redis_pass}\r\n${redis_pass}\r\n*1\r\n\$4\r\nPING\r\n" | socat - TCP:$redis_host:$redis_port)
else
result=$(printf "*1\r\n\$4\r\nPING\r\n" | socat - TCP:$redis_host:$redis_port)
fi
if echo $result | grep -q '+PONG'; then
echo "Redis server responded correctly on ${redis_host}:${redis_port}."
else
echo "Redis server does not respond correctly: ${result}"
exit 1
fi