Description of problem:
After upgrading the cluster to 3.6, customer ran the metrics playbook and now heapster fails to start with this event error [0] but that is because this secret doesn't exist at all in their cluster [1].

[0]
MountVolume.SetUp failed for volume "ku
bernetes.io/secret/0e2d2737-acb1-11e7-aa82-001a4a48be58-heapster-certs" (spec.Name: "heapster-certs") pod "0e2d2737-acb1-11e7-aa82-001a4a48be58" (UID: "0e2d2737-acb1-11e7-aa82-001a4a48be58") with: secrets "heapster-certs" not found

[1]
[root@ose-prod-master-01 playbook-openshift]# oc get secrets | grep heapster
heapster-dockercfg-cje04                                  kubernetes.io/dockercfg               1         203d
heapster-secrets                                          Opaque                                4         203d
heapster-token-ld2ap                                      kubernetes.io/service-account-token   3         203d
heapster-token-pijgm                                      kubernetes.io/service-account-token   3         203d

Version-Release number of selected component (if applicable):
ansible-2.3.2.0-2.el7.noarch
openshift-ansible-3.6.173.0.21-2.git.0.44a4038.el7.noarch
openshift-ansible-playbooks-3.6.173.0.21-2.git.0.44a4038.el7.noarch

Additional info:
Attaching ansible playbook output and inventory file shortly.