Enable Block Storage meters for Ubuntu in Installation Guide for Telemetry Data Collection Service

[Mihai]

this doc is requesting to restart cinder-api, who in ocata is not used anymore:

==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
Authentication is required to restart 'cinder-scheduler.service'.
Authenticating as: h2020,,, (h2020)
Password:
==== AUTHENTICATION COMPLETE ===
h2020@h2020-server1:~$ systemctl list-units -t service | grep cinder
cinder-scheduler.service loaded active running OpenStack Cinder Scheduler
h2020@h2020-server1:~$ dpkg -L cinder-api
/.
/usr
/usr/share
/usr/share/doc
/usr/share/doc/cinder-api
/usr/share/doc/cinder-api/copyright
/usr/share/man
/usr/share/man/man8
/usr/share/man/man8/cinder-api.8.gz
/etc
/etc/apache2
/etc/apache2/conf-available
/etc/apache2/conf-available/cinder-wsgi.conf
/usr/share/doc/cinder-api/changelog.Debian.gz
h2020@h2020-server1:~$ ls -l /etc/apache2/conf-enabled/cinder-wsgi.conf
lrwxrwxrwx 1 root root 34 Apr 20 09:50 /etc/apache2/conf-enabled/cinder-wsgi.conf -> ../conf-available/cinder-wsgi.conf
h2020@h2020-server1:~$

if u want to restart cinder-api u need to restart apache2

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-----------------------------------
Release: 0.1 on 2017-07-17 12:52
SHA: 09b8713a6d364808c1f90f4214a7a4c2936fe6a7
Source: http://git.openstack.org/cgit/openstack/ceilometer/tree/install-guide/source/cinder/install-cinder-ubuntu.rst
URL: https://docs.openstack.org/project-install-guide/telemetry/ocata/cinder/install-cinder-ubuntu.html