HWKALERTS-240 Add Metrics Group Trigger support in the metrics alerter

MGT support allows users to define a group trigger whose member triggers are managed automatically by the alerter.
hawkular · Mar 27, 2017 · 87d5c41 · 87d5c41
1 parent 65cace4
commit 87d5c41
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Showing 7 changed files with 1,194 additions and 4 deletions.
diff --git a/alerting/alerter-war/pom.xml b/alerting/alerter-war/pom.xml
@@ -111,6 +111,18 @@
       <version>1.5</version>
     </dependency>
 
+    <!-- documentation -->
+    <dependency>
+      <groupId>io.swagger</groupId>
+      <artifactId>swagger-annotations</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>io.swagger</groupId>
+      <artifactId>swagger-core</artifactId>
+      <scope>provided</scope>
+    </dependency>
+
     <!-- Tests -->
     <dependency>
       <groupId>junit</groupId>

diff --git a/alerting/alerter-war/src/main/java/org/hawkular/metrics/alerter/ConditionManager.java b/alerting/alerter-war/src/main/java/org/hawkular/metrics/alerter/ConditionManager.java
@@ -81,7 +81,19 @@ public class ConditionManager {
     private static final String TAG_EXTERNAL_CONDITION_NAME = "HawkularMetrics";
     private static final String TAG_EXTERNAL_CONDITION_VALUE = "MetricsCondition";
 
-    private static final Integer THREAD_POOL_SIZE = 20;
+    private static final Integer THREAD_POOL_SIZE;
+    private static final String THREAD_POOL_SIZE_DEFAULT = "20";
+    private static final String THREAD_POOL_SIZE_PROPERTY = "hawkular-metrics.alerter.condition-pool-size";
+
+    static {
+        int v;
+        try {
+            v = Integer.valueOf(System.getProperty(THREAD_POOL_SIZE_PROPERTY, THREAD_POOL_SIZE_DEFAULT));
+        } catch (Exception e) {
+            v = Integer.valueOf(THREAD_POOL_SIZE_DEFAULT);
+        }
+        THREAD_POOL_SIZE = v;
+    }
 
     ScheduledThreadPoolExecutor expressionExecutor;
     Map<ExternalCondition, ScheduledFuture<?>> expressionFutures = new HashMap<>();