sijie commented on a change in pull request #5605: fix prometheusMetrics export
contains " bug
URL: https://github.com/apache/pulsar/pull/5605#discussion_r344602492
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/stats/prometheus/PrometheusMetricsGenerator.java
##########
@@ -95,10 +95,17 @@ private static void
generateSystemMetrics(SimpleTextOutputStream stream, String
stream.write(sample.name);
stream.write("{cluster=\"").write(cluster).write('"');
for (int j = 0; j < sample.labelNames.size(); j++) {
+ String labelValue = sample.labelValues.get(j);
+ if(labelValue != null &&
+ (labelValue.startsWith("\"") ||
Review comment:
I don't think we need to check `startsWith` and `endsWith`.
We can just simplify the logic as follows:
```
if (labelValue != null) {
labelValue = labelValue.replace("\"", "\\\"");
}
```
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