ERROR: client: etcd cluster is unavailable or misconfigured; error #0: x509: certificate signed by unknown authority in ASB

Issue

• asb pod in openshift-ansible-service-broker namespace has come into CrashLoopBackOff or Error with below log messages.

Using config file mounted to /etc/ansible-service-broker/config.yaml
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==           Starting Ansible Service Broker...           ==
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[2018-03-19T07:05:12.331Z] [NOTICE] Initializing clients...
[2018-03-19T07:05:12.333Z] [INFO] == ETCD CX ==
[2018-03-19T07:05:12.333Z] [INFO] EtcdHost: asb-etcd.openshift-ansible-service-broker.svc
[2018-03-19T07:05:12.333Z] [INFO] EtcdPort: 2379
[2018-03-19T07:05:12.333Z] [INFO] Endpoints: [https://asb-etcd.openshift-ansible-service-broker.svc:2379]
[2018-03-19T07:05:12.343Z] [ERROR] client: etcd cluster is unavailable or misconfigured; error #0: x509: certificate signed by unknown authority