Mount /dev/urandom on Jenkins slaves to avoid issues with entropy

Change-Id: I223179fec136a9d0e86f0ac69c36f5f87e386197
Related-Prod: PROD-30362
diff --git a/kubernetes/control/services/drivetrain/jenkins_slave_single.yml b/kubernetes/control/services/drivetrain/jenkins_slave_single.yml
index 5cdd32b..ee327dd 100644
--- a/kubernetes/control/services/drivetrain/jenkins_slave_single.yml
+++ b/kubernetes/control/services/drivetrain/jenkins_slave_single.yml
@@ -42,6 +42,9 @@
                 - name: docker-sock-volume
                   mount: /var/run/docker.sock
                   read_only: false
+                - name: entropy-volume
+                  mount: /dev/random
+                  read_only: true
           volume:
             jenkins-slave01:
               type: glusterfs
@@ -51,3 +54,6 @@
             docker-sock-volume:
               type: hostPath
               path: /var/run/docker.sock
+            entropy-volume:
+              type: hostPath
+              path: /dev/urandom