make HealthMonitor thresholds configurable #8556 (#10321)

(cherry picked from commit 5612704)

modules/core/core-hazelcast/src/main/java/com/enonic/xp/core/impl/hazelcast/HazelcastConfig.java

@@ -20,6 +20,12 @@
 
     int system_hazelcast_mastership_claim_timeout_seconds() default 120;
 
+    String system_hazelcast_health_monitoring_level() default "SILENT";
+
+    int system_hazelcast_health_monitoring_threshold_cpu_percentage() default 70;
+
+    int system_hazelcast_health_monitoring_threshold_memory_percentage() default 90;
+
     int hazelcast_wait_seconds_before_join() default 5;
 
     int hazelcast_max_wait_seconds_before_join() default 20;

modules/core/core-hazelcast/src/main/java/com/enonic/xp/core/impl/hazelcast/HazelcastConfigServiceImpl.java

@@ -76,6 +76,15 @@ public Config configure()
         config.setProperty( GroupProperty.PHONE_HOME_ENABLED.getName(),
                             String.valueOf( hazelcastConfig.system_hazelcast_phone_home_enabled() ) );
 
+        config.setProperty( GroupProperty.HEALTH_MONITORING_LEVEL.getName(),
+                            String.valueOf( hazelcastConfig.system_hazelcast_health_monitoring_level() ) );
+
+        config.setProperty( GroupProperty.HEALTH_MONITORING_THRESHOLD_CPU_PERCENTAGE.getName(),
+                            String.valueOf( hazelcastConfig.system_hazelcast_health_monitoring_threshold_cpu_percentage() ) );
+
+        config.setProperty( GroupProperty.HEALTH_MONITORING_THRESHOLD_MEMORY_PERCENTAGE.getName(),
+                            String.valueOf( hazelcastConfig.system_hazelcast_health_monitoring_threshold_memory_percentage() ) );
+
         config.setProperty( GroupProperty.WAIT_SECONDS_BEFORE_JOIN.getName(),
                             String.valueOf( hazelcastConfig.hazelcast_wait_seconds_before_join() ) );
 

modules/runtime/src/home/config/com.enonic.xp.hazelcast.cfg

@@ -60,26 +60,35 @@
 ## Bind both server-socket and client-sockets to any local interface.
 #system.hazelcast.socket.bind.any=true
 
-# Initial expected cluster size to wait before node to start completely
+## Initial expected cluster size to wait before node to start completely
 #system.hazelcast.initial.min.cluster.size=2
 
-# Prefer IPv4 Stack, don't use IPv6
+## Prefer IPv4 Stack, don't use IPv6
 #system.hazelcast.prefer.ipv4.stack=true
 
-# The number of incremental ports, starting with the port number defined in the network configuration, that is used to connect to a host.
+## The number of incremental ports, starting with the port number defined in the network configuration, that is used to connect to a host.
 #system.hazelcast.tcp.join.port.try.count=1
 
-# Maximum timeout of heartbeat in seconds for a member to assume it is dead.
+## Maximum timeout of heartbeat in seconds for a member to assume it is dead.
 #system.hazelcast.max.no.heartbeat.seconds=60
 
-# Heartbeat send interval in seconds.
+## Heartbeat send interval in seconds.
 #system.hazelcast.heartbeat.interval.seconds=5
 
-# Timeout which defines when master candidate gives up waiting for response to its mastership claim.
+## Timeout which defines when master candidate gives up waiting for response to its mastership claim.
 #system.hazelcast.mastership.claim.timeout.seconds=120
 
-# Wait time before join operation
+## Health monitoring log level. NOISY, SILENT, OFF
+#system.hazelcast.health.monitoring.level=SILENT
+
+## When the health monitoring level is SILENT, logs are printed only when the CPU usage exceeds this threshold.
+#system.hazelcast.health.monitoring.threshold.cpu.percentage=70
+
+## When the health monitoring level is SILENT, logs are printed only when the memory usage exceeds this threshold.
+#system.hazelcast.health.monitoring.threshold.memory.percentage=90
+
+## Wait time before join operation
 #hazelcast.wait.seconds.before.join=5
 
-# Maximum wait time before join operation
+## Maximum wait time before join operation
 #hazelcast.max.wait.seconds.before.join=20