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Fix errant keys in Redis scripts #111

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Fix errant keys in Redis scripts #111

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44 changes: 22 additions & 22 deletions src/Prometheus/Storage/Redis.php
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Original file line number Diff line number Diff line change
Expand Up @@ -117,23 +117,23 @@ public function updateHistogram(array $data)
unset($metaData['value']);
unset($metaData['labelValues']);
$this->redis->eval(<<<LUA
local increment = redis.call('hIncrByFloat', KEYS[1], KEYS[2], ARGV[1])
redis.call('hIncrBy', KEYS[1], KEYS[3], 1)
if increment == ARGV[1] then
redis.call('hSet', KEYS[1], '__meta', ARGV[2])
redis.call('sAdd', KEYS[4], KEYS[1])
local increment = redis.call('hIncrByFloat', KEYS[1], ARGV[1], ARGV[3])
redis.call('hIncrBy', KEYS[1], ARGV[2], 1)
if increment == ARGV[3] then
redis.call('hSet', KEYS[1], '__meta', ARGV[4])
redis.call('sAdd', KEYS[2], KEYS[1])
end
LUA
,
array(
$this->toMetricKey($data),
self::$prefix . Histogram::TYPE . self::PROMETHEUS_METRIC_KEYS_SUFFIX,
json_encode(array('b' => 'sum', 'labelValues' => $data['labelValues'])),
json_encode(array('b' => $bucketToIncrease, 'labelValues' => $data['labelValues'])),
self::$prefix . Histogram::TYPE . self::PROMETHEUS_METRIC_KEYS_SUFFIX,
$data['value'],
json_encode($metaData),
),
4
2
);
}

Expand All @@ -145,30 +145,30 @@ public function updateGauge(array $data)
unset($metaData['labelValues']);
unset($metaData['command']);
$this->redis->eval(<<<LUA
local result = redis.call(KEYS[2], KEYS[1], KEYS[4], ARGV[1])
local result = redis.call(ARGV[1], KEYS[1], ARGV[2], ARGV[3])

if KEYS[2] == 'hSet' then
if ARGV[1] == 'hSet' then
if result == 1 then
redis.call('hSet', KEYS[1], '__meta', ARGV[2])
redis.call('sAdd', KEYS[3], KEYS[1])
redis.call('hSet', KEYS[1], '__meta', ARGV[4])
redis.call('sAdd', KEYS[2], KEYS[1])
end
else
if result == ARGV[1] then
redis.call('hSet', KEYS[1], '__meta', ARGV[2])
redis.call('sAdd', KEYS[3], KEYS[1])
if result == ARGV[3] then
redis.call('hSet', KEYS[1], '__meta', ARGV[4])
redis.call('sAdd', KEYS[2], KEYS[1])
end
end
LUA
,
array(
$this->toMetricKey($data),
$this->getRedisCommand($data['command']),
self::$prefix . Gauge::TYPE . self::PROMETHEUS_METRIC_KEYS_SUFFIX,
$this->getRedisCommand($data['command']),
json_encode($data['labelValues']),
$data['value'],
json_encode($metaData),
),
4
2
);
}

Expand All @@ -180,23 +180,23 @@ public function updateCounter(array $data)
unset($metaData['labelValues']);
unset($metaData['command']);
$result = $this->redis->eval(<<<LUA
local result = redis.call(KEYS[2], KEYS[1], KEYS[4], ARGV[1])
if result == tonumber(ARGV[1]) then
redis.call('hMSet', KEYS[1], '__meta', ARGV[2])
redis.call('sAdd', KEYS[3], KEYS[1])
local result = redis.call(ARGV[1], KEYS[1], ARGV[2], ARGV[3])
if result == tonumber(ARGV[3]) then
redis.call('hMSet', KEYS[1], '__meta', ARGV[4])
redis.call('sAdd', KEYS[2], KEYS[1])
end
return result
LUA
,
array(
$this->toMetricKey($data),
$this->getRedisCommand($data['command']),
self::$prefix . Counter::TYPE . self::PROMETHEUS_METRIC_KEYS_SUFFIX,
$this->getRedisCommand($data['command']),
json_encode($data['labelValues']),
$data['value'],
json_encode($metaData),
),
4
2
);
return $result;
}
Expand Down