[JENKINS-73788] Reduce metrics bloat relating to provisioning requests (#1604)

Co-authored-by: Bas van Erp <[email protected]>

Author: PayBas

src/main/java/org/csanchez/jenkins/plugins/kubernetes/KubernetesCloud.java

@@ -2,7 +2,6 @@
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.apache.commons.lang.StringUtils.isEmpty;
-import static org.csanchez.jenkins.plugins.kubernetes.MetricNames.metricNameForLabel;
 
 import com.cloudbees.plugins.credentials.CredentialsMatchers;
 import com.cloudbees.plugins.credentials.common.StandardCredentials;
@@ -599,7 +598,6 @@ public Collection<NodeProvisioner.PlannedNode> provision(
             @NonNull final Cloud.CloudState state, final int excessWorkload) {
         var limitRegistrationResults = new LimitRegistrationResults(this);
         try {
-            Metrics.metricRegistry().meter(metricNameForLabel(state.getLabel())).mark(excessWorkload);
             Label label = state.getLabel();
             // Planned nodes, will be launched on the next round of NodeProvisioner
             int plannedCapacity = state.getAdditionalPlannedCapacity();

src/main/java/org/csanchez/jenkins/plugins/kubernetes/MetricNames.java

@@ -1,6 +1,5 @@
 package org.csanchez.jenkins.plugins.kubernetes;
 
-import hudson.model.Label;
 import java.util.Locale;
 
 public class MetricNames {
@@ -21,9 +20,4 @@ public static String metricNameForPodStatus(String status) {
         String formattedStatus = status == null ? "null" : status.toLowerCase(Locale.getDefault());
         return PREFIX + ".pods.launch.status." + formattedStatus;
     }
-
-    public static String metricNameForLabel(Label label) {
-        String labelText = (label == null) ? "nolabel" : label.getDisplayName();
-        return String.format("%s.%s.provision.request", PREFIX, labelText);
-    }
 }

src/test/java/org/csanchez/jenkins/plugins/kubernetes/MetricNamesTest.java

@@ -1,6 +1,5 @@
 package org.csanchez.jenkins.plugins.kubernetes;
 
-import hudson.model.labels.LabelAtom;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -29,20 +28,4 @@ public void metricNameForPodStatusChangeStatusToLowercase() {
 
         Assert.assertEquals(expected, actual);
     }
-
-    @Test
-    public void metricNameForLabelAddsNoLabelIfLabelIsNull() {
-        String expected = "kubernetes.cloud.nolabel.provision.request";
-        String actual = MetricNames.metricNameForLabel(null);
-
-        Assert.assertEquals(expected, actual);
-    }
-
-    @Test
-    public void metricNameForLabelAddsLabelValue() {
-        String expected = "kubernetes.cloud.java.provision.request";
-        String actual = MetricNames.metricNameForLabel(new LabelAtom("java"));
-
-        Assert.assertEquals(expected, actual);
-    }
 }

src/test/java/org/csanchez/jenkins/plugins/kubernetes/pipeline/KubernetesPipelineTest.java

@@ -252,10 +252,6 @@ public void runInPod() throws Exception {
                 emptyIterable());
 
         assertTrue(Metrics.metricRegistry().counter(MetricNames.PODS_LAUNCHED).getCount() > 0);
-        assertTrue(Metrics.metricRegistry()
-                        .meter(MetricNames.metricNameForLabel(Label.parseExpression("runInPod")))
-                        .getCount()
-                > 0);
     }
 
     @Test