openstack/fuel-docs
Code Issues Proposed changes

[Monitoring Guide] Fix command separation

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Fixes command separation in the HAProxy section. Also
adds a link that leads to the Corosync/Pacemaker HA
cluster section.

Change-Id: Ia6ff76341753ebc3ec20f120e2bd5e38566923f8
Closes-Bug: #1471267
This commit is contained in:
Maria Zlatkova
2015-07-07 13:08:59 +03:00
parent b1da48059f
commit 7b52f5eccb
1 changed files with 4 additions and 4 deletions
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8
pages/monitoring-guide/monitoring-activities-details/haproxy.rst
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@@ -28,7 +28,7 @@ endpoints and a TCP load balancer for MySQL.
Performing checks against the HAProxy process through the VIP
requires one to know which node is the active (master) controller
node in the Corosync/Pacemaker cluster. This is detailed below in the
``Corosync/Pacemaker HA cluster`` section.
:ref:`Corosync/Pacemaker HA cluster<mg-corosync-pacemaker>` section.
The active controller handles all the OpenStack services requests
through HAProxy which in turn, distributes the load across the
@@ -99,14 +99,14 @@ For example, you can use the command below to detect that the
*backend* is in ``down`` state. Here, the nova-api stopped
responding::
echo "show stat" | socat /var/lib/haproxy/stats stdio | grep BACKEND /
echo "show stat" | socat /var/lib/haproxy/stats stdio | grep BACKEND \
| awk -F , '{print $1, $2, $18}' | grep DOWN
nova-api node-10 DOWN
As another example, you can use the command below to get a list of
the API endpoints with their respective status::
echo "show stat" | socat /var/lib/haproxy/stats stdio | grep BACKEND /
echo "show stat" | socat /var/lib/haproxy/stats stdio | grep BACKEND \
| awk -F , '{print $1, $2, $18}'
horizon BACKEND UP
keystone-1 BACKEND UP
@@ -133,7 +133,7 @@ operator in an alert.
.. code::
echo "show stat" | socat /var/lib/haproxy/stats stdio | awk -F , /
echo "show stat" | socat /var/lib/haproxy/stats stdio | awk -F , \
'{print $1, $2, $18}' | grep glance-api
glance-api FRONTEND OPEN