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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "metrics.h"
#include <vespa/log/log.h>
LOG_SETUP(".metrics");
#include <vespa/vespalib/metrics/simple_metrics.h>
namespace config {
namespace sentinel {
using vespalib::metrics::SimpleMetricsManager;
using vespalib::metrics::SimpleManagerConfig;
StartMetrics::StartMetrics()
: metrics(SimpleMetricsManager::create(SimpleManagerConfig())),
producer(metrics),
currentlyRunningServices(0),
totalRestartsCounter(0),
totalRestartsLastPeriod(1),
startedTime(time(nullptr)),
lastLoggedTime(startedTime - 55),
sentinel_restarts(metrics->counter("sentinel.restarts")),
sentinel_totalRestarts(metrics->gauge("sentinel.totalRestarts")),
sentinel_running(metrics->gauge("sentinel.running")),
sentinel_uptime(metrics->gauge("sentinel.uptime"))
{
sentinel_restarts.add();
}
void
StartMetrics::output()
{
EV_VALUE("currently_running_services", currentlyRunningServices);
EV_VALUE("total_restarts_last_period", totalRestartsLastPeriod);
EV_COUNT("total_restarts_counter", totalRestartsCounter);
}
void
StartMetrics::reset(unsigned long curTime)
{
totalRestartsLastPeriod = 0;
lastLoggedTime = curTime;
}
void
StartMetrics::maybeLog()
{
uint32_t curTime = time(nullptr);
sentinel_totalRestarts.sample(totalRestartsCounter);
sentinel_running.sample(currentlyRunningServices);
sentinel_uptime.sample(curTime - startedTime);
if (curTime > lastLoggedTime + 59) {
output();
reset(curTime);
}
}
} // end namespace config::sentinel
} // end namespace config
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