Upgrade from 3.9 to 3.10 fails due to missing LDAP CA certificate on masters

Issue

• 3.9 to 3.10 upgrade failed.

• My master-api is not starting due to missing the CA certificate file

• TASK [openshift_node_group : create node-config.yaml configmap] ****************************************************************************
  fatal: [server.example.com]: FAILED! => {"changed": false, "failed": true, "msg": {"cmd": "/bin/oc create configmap node-config-master --from-file=node-config.yaml=/tmp/openshift_node_config-wpMNS3/node-config.yaml -n openshift-node", "results": {}, "returncode": 1, "stderr": "Unable to connect to the server: read tcp 10.203.112.136:51868->10.203.126.13:443: read: connection reset by peer\n", "stdout": ""}}

• oauthConfig.identityProvider[0].provider.ca: Invalid value: "/etc/origin/master/EXAMPLE_ldap_ca.crt": could not read file: stat /etc/origin/master/EXAMPLE_ldap_ca.crt: no such file or directory