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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/vespalib/metrics/simple_metrics.h>
#include <vespa/fastos/timestamp.h>
namespace config::sentinel {
using vespalib::metrics::SimpleMetricsManager;
using vespalib::metrics::SimpleManagerConfig;
StartMetrics::StartMetrics()
: metrics(SimpleMetricsManager::create(SimpleManagerConfig())),
producer(metrics),
currentlyRunningServices(0),
totalRestartsCounter(0),
startedTime(fastos::time()),
sentinel_restarts(metrics->counter("sentinel.restarts",
"how many times sentinel restarted a service")),
sentinel_totalRestarts(metrics->gauge("sentinel.totalRestarts",
"how many times sentinel restarted a service since sentinel start")),
sentinel_running(metrics->gauge("sentinel.running",
"how many services the sentinel has running currently")),
sentinel_uptime(metrics->gauge("sentinel.uptime",
"how many seconds has the sentinel been running"))
{
// account for the sentinel itself restarting
sentinel_restarts.add();
}
StartMetrics::~StartMetrics() = default;
void
StartMetrics::maybeLog()
{
uint32_t curTime = fastos::time();
sentinel_totalRestarts.sample(totalRestartsCounter);
sentinel_running.sample(currentlyRunningServices);
sentinel_uptime.sample(curTime - startedTime);
}
}
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