blob: f68311f67922a901e296a3541bd086a7dccfcd14 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
// Copyright Vespa.ai. 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>
namespace config::sentinel {
using vespalib::metrics::SimpleMetricsManager;
using vespalib::metrics::SimpleManagerConfig;
StartMetrics::StartMetrics()
: metrics(SimpleMetricsManager::create(SimpleManagerConfig())),
producer(metrics),
currentlyRunningServices(0),
totalRestartsCounter(0),
startedTime(vespalib::steady_clock::now()),
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();
lastRestartTime = vespalib::steady_clock::now();
}
StartMetrics::~StartMetrics() = default;
void
StartMetrics::maybeLog()
{
using namespace std::chrono_literals;
vespalib::steady_time curTime = vespalib::steady_clock::now();
if (curTime - lastRestartTime > 2h) {
reset();
}
sentinel_totalRestarts.sample(totalRestartsCounter);
sentinel_running.sample(currentlyRunningServices);
sentinel_uptime.sample(vespalib::to_s(curTime - startedTime));
}
void
StartMetrics::incRestartsCounter()
{
++totalRestartsCounter;
lastRestartTime = vespalib::steady_clock::now();
}
void StartMetrics::reset() {
totalRestartsCounter = 0;
lastRestartTime = vespalib::steady_clock::now();
}
}
|