GJL commented on a change in pull request #6288: [FLINK-9703] [flink-mesos]
Expose Prometheus port for TM through Mesos
URL: https://github.com/apache/flink/pull/6288#discussion_r226262274
##########
File path:
flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/LaunchableMesosWorker.java
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@@ -332,6 +334,27 @@ public String toString() {
return taskInfo.build();
}
+ /**
+ * Get the port keys representing the TM's configured endpoints. This
includes mandatory TM endpoints such as
+ * data and rpc as well as optionally configured endpoints for services
such as prometheus reporter
+ *
+ * @return A deterministicly ordered Set of port keys to expose from
the TM container
+ * @param config
+ */
+ static Set<String> extractPortKeys(Configuration config) {
+ LinkedHashSet<String> tmPortKeys = new
LinkedHashSet<>(Arrays.asList(TM_PORT_KEYS));
+
+ if (config.containsKey(PORT_ASSIGNMENT_KEY)) {
+ String portAssignments =
config.getString(PORT_ASSIGNMENT_KEY, "");
+ Arrays.stream(portAssignments.split(","))
+ .map(String::trim)
+ .peek(key -> LOG.debug("Adding port key " + key
+ " to mesos request"))
Review comment:
Slf4j place holder should be preferred to avoid String concatenation, i.e.,
`LOG.debug("Adding port key {} to mesos request", key)`
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