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feat: support prometheus #110
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64ac0ff
init
foreverneverer 21ef387
init but not update test code
foreverneverer 2421673
update test code
foreverneverer 677d045
update test code
foreverneverer a0abfd6
update test code
foreverneverer 12df7dd
refactor
foreverneverer 04f3e06
refactor
foreverneverer 6c0c371
update log and client options
foreverneverer ad42d21
update test
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101 changes: 101 additions & 0 deletions
101
src/main/java/com/xiaomi/infra/pegasus/metrics/FalconCollector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| package com.xiaomi.infra.pegasus.metrics; | ||
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| import static com.xiaomi.infra.pegasus.metrics.MetricsPool.getMetricName; | ||
| import static com.xiaomi.infra.pegasus.metrics.MetricsPool.getTableTag; | ||
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| import com.codahale.metrics.Histogram; | ||
| import com.codahale.metrics.Meter; | ||
| import com.codahale.metrics.MetricRegistry; | ||
| import com.codahale.metrics.Snapshot; | ||
| import com.xiaomi.infra.pegasus.tools.Tools; | ||
| import java.util.Map; | ||
| import java.util.SortedMap; | ||
| import org.json.JSONException; | ||
| import org.json.JSONObject; | ||
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| public class FalconCollector { | ||
| private FalconMetric falconMetric = new FalconMetric(); | ||
| private final MetricRegistry registry; | ||
| public final String defaultTags; | ||
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| public FalconCollector(String host, String tags, int reportStepSec, MetricRegistry registry) { | ||
| this.defaultTags = tags; | ||
| this.registry = registry; | ||
| falconMetric.endpoint = host; | ||
| falconMetric.step = reportStepSec; | ||
| } | ||
|
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| public String metricsToJson() { | ||
| falconMetric.timestamp = Tools.unixEpochMills() / 1000; | ||
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| StringBuilder builder = new StringBuilder(); | ||
| builder.append('['); | ||
| SortedMap<String, Meter> meters = registry.getMeters(); | ||
| for (Map.Entry<String, Meter> entry : meters.entrySet()) { | ||
| genJsonsFromMeter(entry.getKey(), entry.getValue(), builder); | ||
| builder.append(','); | ||
| } | ||
|
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| for (Map.Entry<String, Histogram> entry : registry.getHistograms().entrySet()) { | ||
| genJsonsFromHistogram(entry.getKey(), entry.getValue(), builder); | ||
| builder.append(','); | ||
| } | ||
|
|
||
| if (builder.charAt(builder.length() - 1) == ',') { | ||
| builder.deleteCharAt(builder.length() - 1); | ||
| } | ||
|
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| builder.append("]"); | ||
|
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| return builder.toString(); | ||
| } | ||
|
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| public void genJsonsFromMeter(String name, Meter meter, StringBuilder output) | ||
| throws JSONException { | ||
| falconMetric.counterType = "GAUGE"; | ||
| falconMetric.metric = getMetricName(name, ""); | ||
| falconMetric.tags = getTableTag(name, defaultTags); | ||
| falconMetric.value = meter.getMeanRate(); | ||
| oneMetricToJson(falconMetric, output); | ||
| } | ||
|
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| public void genJsonsFromHistogram(String name, Histogram hist, StringBuilder output) | ||
| throws JSONException { | ||
| falconMetric.counterType = "GAUGE"; | ||
| Snapshot s = hist.getSnapshot(); | ||
|
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| falconMetric.metric = getMetricName(name, "_p99"); | ||
| falconMetric.tags = getTableTag(name, defaultTags); | ||
| falconMetric.value = s.get99thPercentile(); | ||
| oneMetricToJson(falconMetric, output); | ||
| output.append(','); | ||
|
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| falconMetric.metric = getMetricName(name, "_p999"); | ||
| falconMetric.tags = getTableTag(name, defaultTags); | ||
| falconMetric.value = s.get999thPercentile(); | ||
| oneMetricToJson(falconMetric, output); | ||
| } | ||
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| public static void oneMetricToJson(FalconMetric metric, StringBuilder output) | ||
| throws JSONException { | ||
| JSONObject obj = new JSONObject(); | ||
| obj.put("endpoint", metric.endpoint); | ||
| obj.put("metric", metric.metric); | ||
| obj.put("timestamp", metric.timestamp); | ||
| obj.put("step", metric.step); | ||
| obj.put("value", metric.value); | ||
| obj.put("counterType", metric.counterType); | ||
| obj.put("tags", metric.tags); | ||
| output.append(obj.toString()); | ||
| } | ||
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| static final class FalconMetric { | ||
| public String endpoint; // metric host | ||
| public String metric; // metric name | ||
| public long timestamp; // report time in unix seconds | ||
| public int step; // report interval in seconds; | ||
| public double value; // metric value | ||
| public String counterType; // GAUGE or COUNTER | ||
| public String tags; // metrics description | ||
| } | ||
| } |
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what about define a enum to represent the type of perf counter?