Add meta groups to the elk readme and env.d file

Change-Id: I8031fd5d6736197d2fd9a36352c941c882bc062d
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>

elk_metrics_6x/env.d/elk.yml

@@ -3,9 +3,14 @@ component_skel:
   apm-server:
     belongs_to:
       - elk_all
+      - apm_all
   elastic-logstash:
     belongs_to:
       - elk_all
+      - elasticsearch
+      - elasticsearch_all
+      - logstash
+      - logstash_all
   kibana:
     belongs_to:
       - elk_all

elk_metrics_6x/readme.rst

@@ -268,7 +268,7 @@ Create the containers
 .. code-block:: bash
 
    cd /opt/openstack-ansible/playbooks
-   openstack-ansible lxc-containers-create.yml -e 'container_group=elastic-logstash:Kibana:apm-server'
+   openstack-ansible lxc-containers-create.yml --limit elk_all
 
 
 Deploying | Installing with embedded Ansible
@@ -470,7 +470,7 @@ Example command using the embedded Ansible from within the grafana directory.
 
     ansible-playbook ${USER_VARS} installGrafana.yml \
                                   -e @../elk_metrics_6x/vars/variables.yml \
-                                  -e galera_root_user=root \
+                                  -e 'galera_root_user="root"' \
                                   -e 'galera_address={{ internal_lb_vip_address }}'
 
 Optional | add kibana custom dashboard
@@ -511,5 +511,5 @@ If everything goes bad, you can clean up with the following command
 
 .. code-block:: bash
 
-     openstack-ansible /opt/openstack-ansible-ops/elk_metrics_6x/site.yml -e "elk_package_state=absent" --tags package_install
-     openstack-ansible /opt/openstack-ansible/playbooks/lxc-containers-destroy.yml --limit=Kibana:elastic-logstash_all
+     openstack-ansible /opt/openstack-ansible-ops/elk_metrics_6x/site.yml -e 'elk_package_state="absent"' --tags package_install
+     openstack-ansible /opt/openstack-ansible/playbooks/lxc-containers-destroy.yml --limit elk_all