chore(pipeline) switch to podTemplate instead of label to use the new node pool

Jenkinsfile

@@ -10,24 +10,28 @@ def mavenEnv(Map params = [:], Closure body) {
   retry(count: attempts, conditions: [kubernetesAgent(handleNonKubernetes: true), nonresumable()]) {
     echo 'Attempt ' + ++attempt + ' of ' + attempts
     // no Dockerized tests; https://github.com/jenkins-infra/documentation/blob/master/ci.adoc#container-agents
-    node("maven-$params.jdk") {
-      timeout(120) {
-        sh 'mvn -version'
-        // Exclude DigitalOcean artifact caching proxy provider, currently unreliable on BOM builds
-        // TODO: remove when https://github.com/jenkins-infra/helpdesk/issues/3481 is fixed
-        infra.withArtifactCachingProxy(env.ARTIFACT_CACHING_PROXY_PROVIDER != 'do') {
-          withEnv([
-            "MAVEN_ARGS=${env.MAVEN_ARGS != null ? MAVEN_ARGS : ''} -B -ntp -Dmaven.repo.local=${WORKSPACE_TMP}/m2repo"
-          ]) {
-            body()
+    podTemplate(
+        cloud: 'cik8s-bom',
+        yaml: readTrusted('podTemplate.yaml'),
+        ) {
+          node(POD_LABEL) {
+            timeout(120) {
+              withEnv(["JAVA_HOME=/opt/jdk-$params.jdk"]) {
+                infra.withArtifactCachingProxy() {
+                  withEnv([
+                    "MAVEN_ARGS=${env.MAVEN_ARGS != null ? MAVEN_ARGS : ''} -B -ntp -Dmaven.repo.local=${WORKSPACE_TMP}/m2repo"
+                  ]) {
+                    body()
+                  }
+                }
+                if (junit(testResults: '**/target/surefire-reports/TEST-*.xml,**/target/failsafe-reports/TEST-*.xml').failCount > 0) {
+                  // TODO JENKINS-27092 throw up UNSTABLE status in this case
+                  error 'Some test failures, not going to continue'
+                }
+              }
+            }
           }
         }
-        if (junit(testResults: '**/target/surefire-reports/TEST-*.xml,**/target/failsafe-reports/TEST-*.xml').failCount > 0) {
-          // TODO JENKINS-27092 throw up UNSTABLE status in this case
-          error 'Some test failures, not going to continue'
-        }
-      }
-    }
   }
 }
 
@@ -52,7 +56,10 @@ stage('prep') {
       withCredentials([
         usernamePassword(credentialsId: 'app-ci.jenkins.io', usernameVariable: 'GITHUB_APP', passwordVariable: 'GITHUB_OAUTH')
       ]) {
-        sh 'bash prep.sh'
+        sh '''
+        mvn -version
+        bash prep.sh
+        '''
       }
     }
     dir('target') {

podTemplate.yaml

@@ -0,0 +1,50 @@
+---
+apiVersion: "v1"
+kind: "Pod"
+spec:
+  containers:
+    - name: jnlp
+      image: jenkinsciinfra/jenkins-agent-ubuntu-22.04@sha256:0f007bec7835b0b7e383d12eac4f860af9fa9b35d53159f67348770f97d55ce6
+      command:
+        - "/usr/local/bin/jenkins-agent"
+      env:
+        - name: "PATH"
+          value: "/opt/jdk-11/bin:/home/jenkins/.asdf/shims:/home/jenkins/.asdf/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin"
+        - name: "ARTIFACT_CACHING_PROXY_PROVIDER"
+          value: "aws"
+        - name: "JENKINS_AGENT_WORKDIR"
+          value: "/home/jenkins/agent"
+        - name: "JENKINS_JAVA_OPTS"
+          value: "-XX:+PrintCommandLineFlags"
+        - name: "JENKINS_JAVA_BIN"
+          value: "/opt/jdk-11/bin/java"
+      resources:
+        limits:
+          memory: "8Gi"
+          cpu: "4"
+        requests:
+          memory: "8Gi"
+          cpu: "4"
+      securityContext:
+        privileged: false
+      volumeMounts:
+        - mountPath: "/home/jenkins/.m2/repository"
+          name: "volume-1"
+          readOnly: false
+        - mountPath: "/tmp"
+          name: "volume-0"
+          readOnly: false
+  volumes:
+  - emptyDir:
+      medium: "Memory"
+    name: "volume-0"
+  - emptyDir:
+      medium: ""
+    name: "volume-1"
+  nodeSelector:
+    ci.jenkins.io/agents-density: 23
+  tolerations:
+    - key: "ci.jenkins.io/bom"
+      operator: "Equal"
+      value: "true"
+      effect: "NoSchedule"