blob: d2b403e056776af0c4d71ab58b162d89fbf7ae16 (
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
|
// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.metricsproxy.node;
import ai.vespa.metricsproxy.metric.Metric;
import ai.vespa.metricsproxy.metric.model.ConsumerId;
import ai.vespa.metricsproxy.metric.model.MetricId;
import ai.vespa.metricsproxy.metric.model.MetricsPacket;
import ai.vespa.metricsproxy.metric.model.ServiceId;
import java.io.IOException;
import java.nio.file.Path;
import java.time.Instant;
import java.util.List;
import java.util.Set;
import java.util.logging.Logger;
/**
* @author olaa
*/
public class HostLifeGatherer {
private static final Path UPTIME_PATH = Path.of("/proc/uptime");
protected static MetricsPacket.Builder gatherHostLifeMetrics(FileWrapper fileWrapper) {
double upTime;
int statusCode = 0;
String statusMessage = "OK";
try {
upTime = getHostLife(fileWrapper);
} catch (IOException e) {
upTime = 0d;
statusCode = 1;
statusMessage = e.getMessage();
}
return new MetricsPacket.Builder(ServiceId.toServiceId("host_life"))
.timestamp(Instant.now().getEpochSecond())
.statusMessage(statusMessage)
.statusCode(statusCode)
.putMetric(MetricId.toMetricId("uptime"), upTime)
.putMetric(MetricId.toMetricId("alive"), 1)
.addConsumers(Set.of(ConsumerId.toConsumerId("Vespa")));
}
private static double getHostLife(FileWrapper fileWrapper) throws IOException {
return fileWrapper.readAllLines(UPTIME_PATH)
.stream()
.mapToDouble(line -> Double.valueOf(line.split("\\s")[0]))
.findFirst()
.orElseThrow();
}
}
|
