Steps for enabling ceilometer in OSP10

Issue

• Ceilometer no longer returns metrics in OSP10

[stack@abc.undercloud ~]$ curl -v -sk -H X-Auth-Token: $SEVONE_TOKEN https://abc.example.lab:13777/v2/meters | python -m json.tool | sed 30q
* About to connect() to abc.example.lab port 13777 (#0)
*   Trying xxxx:xxxx:xxxx:xxxx:xxx...
* Connected to abc.example.lab (xxxx:xxxx:xxxx:xxxx:xxx) port 13777 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
* skipping SSL peer certificate verification
* SSL connection using TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
* Server certificate:
*       subject: CN=abc.example.lab,OU=HQ,O=ABC,ST=Florida,C=US
*       start date: Jan 06 21:54:22 2017 GMT
*       expire date: Jan 04 21:54:22 2027 GMT
*       common name: abc.example.lab
*       issuer: OU=HQ,O=ABC,L=XYZ,ST=Florida,C=US,CN=XYZ Lab CA
 GET /v2/meters HTTP/1.1
 User-Agent: curl/7.29.0
 Host: abc.example.lab:13777
 Accept: */*
 X-Auth-Token: 06d9358d437740439e9295eb0b87d714

 HTTP/1.1 410 Gone
 Date: Thu, 06 Apr 2017 21:03:35 GMT
 Server: Apache
 x-openstack-request-id: req-f894fafb-9471-420f-86e2-7d4e972bec19
 Content-Length: 244
 Content-Type: application/json

{ [data not shown]
* Connection #0 to host abc.example.lab left intact
{
    error_message: 410 Gone\n\nThis resource is no longer available. No forwarding address is given.\n\n This telemetry installation is configured to use Gnocchi. Please use the Gnocchi API available on the metric endpoint to retrieve data.  
}
[stack@abc.undercloud ~]$