StackLight 0.10.0 documentation updates
Closes-Bug: #1569027 Change-Id: Ia8c2915d19a175a341288344b412e95ded79ec27
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Patrick Petit
Simon Pasquier
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@ -200,3 +200,88 @@ tool, but there are many others.
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On the OpenStack nodes, the diagnostic results are stored in ``/var/lma_diagnostics/diagnostics.log``.
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.. note:: A successful LMA toolchain diagnostic should be free of errors.
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.. _advanced_configuration:
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Advanced Configuration
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----------------------
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Reconfiguring the StackLight Collector after you have removed a node
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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There is currently a limitation in Fuel in that when a
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node is removed from an OpenStack environment (via the Fuel Web UI
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or CLI), the services that were running on that node are not
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automatically removed from the database and as such, are reported
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failed by StackLight. To remedy to this problem, you need to remove
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those services manually.
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#. From a controller node, list the services that are reported failed.
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In the example below 'node-7'.
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.. code-block:: console
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root@node-6:~# source ./openrc
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root@node-6:~# neutron agent-list
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+--------------------------------------+--------------------+-------------------+-------------------+-------+-----+
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| id | agent_type | host | availability_zone | alive | ... |
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+--------------------------------------+--------------------+-------------------+-------------------+-------+-----+
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| 08a69bad-cc5d-4e85-a9d0-50467d480259 | Metadata agent | node-8.domain.tld | | :-) | ... |
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| 11b6dca6-ab86-47bf-ae38-2ec2de07a90d | Metadata agent | node-7.domain.tld | | xxx | ... |
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| 22ea82e3-dbbc-4e57-9d41-3dbf1720b708 | DHCP agent | node-6.domain.tld | nova | :-) | ... |
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| 2d82849e-7ddd-4d1a-857e-0ad255c58eb0 | L3 agent | node-6.domain.tld | nova | :-) | ... |
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| 3221ec18-2b65-4696-8ae1-49856023767a | Open vSwitch agent | node-6.domain.tld | | :-) | ... |
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| 84bfd240-379f-40f3-a1fa-eaa266debe0d | Open vSwitch agent | node-7.domain.tld | | xxx | ... |
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| 9452e8f0-8d53-40bb-b0ae-fe9932c00963 | Open vSwitch agent | node-9.domain.tld | | :-) | ... |
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| 97136b09-96a4-4887-89ed-e5ad5bae24f4 | Open vSwitch agent | node-8.domain.tld | | :-) | ... |
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| c198bc94-38a6-427d-ab04-fbad26affb9e | DHCP agent | node-7.domain.tld | nova | xxx | ... |
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| c76c4ed4-75e7-426b-9a04-823b00caadc4 | L3 agent | node-7.domain.tld | nova | xxx | ... |
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| d0fd8bb5-5f6f-4286-a959-7eb70f0f836a | L3 agent | node-8.domain.tld | nova | :-) | ... |
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| d21f9cea-2719-49a4-adee-9810d51f431b | DHCP agent | node-8.domain.tld | nova | :-) | ... |
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| f6f871b7-67ad-4b70-88cc-66e51c2a7b1d | Metadata agent | node-6.domain.tld | | :-) | ... |
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+--------------------------------------+--------------------+-------------------+-------------------+-------+-----+
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root@node-6:~# nova service-list
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+----+------------------+-------------------+----------+---------+-------+----------------------------+-----+
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| Id | Binary | Host | Zone | Status | State | Updated_at | ... |
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+----+------------------+-------------------+----------+---------+-------+----------------------------+-----+
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| 1 | nova-consoleauth | node-6.domain.tld | internal | enabled | up | 2016-07-19T11:43:07.000000 | ... |
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| 4 | nova-scheduler | node-6.domain.tld | internal | enabled | up | 2016-07-19T11:43:21.000000 | ... |
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| 7 | nova-cert | node-6.domain.tld | internal | enabled | up | 2016-07-19T11:43:07.000000 | ... |
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| 10 | nova-conductor | node-6.domain.tld | internal | enabled | up | 2016-07-19T11:42:52.000000 | ... |
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| 22 | nova-cert | node-7.domain.tld | internal | enabled | down | 2016-07-19T11:43:04.000000 | ... |
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| 25 | nova-consoleauth | node-7.domain.tld | internal | enabled | down | 2016-07-19T11:43:04.000000 | ... |
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| 28 | nova-scheduler | node-7.domain.tld | internal | enabled | down | 2016-07-19T11:43:36.000000 | ... |
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| 31 | nova-cert | node-8.domain.tld | internal | enabled | up | 2016-07-19T11:43:04.000000 | ... |
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| 34 | nova-consoleauth | node-8.domain.tld | internal | enabled | up | 2016-07-19T11:43:04.000000 | ... |
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| 37 | nova-conductor | node-7.domain.tld | internal | enabled | down | 2016-07-19T11:42:51.000000 | ... |
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| 43 | nova-scheduler | node-8.domain.tld | internal | enabled | up | 2016-07-19T11:43:35.000000 | ... |
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| 49 | nova-conductor | node-8.domain.tld | internal | enabled | up | 2016-07-19T11:42:48.000000 | ... |
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| 64 | nova-compute | node-9.domain.tld | nova | enabled | up | 2016-07-19T11:42:47.000000 | ... |
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+----+------------------+-------------------+----------+---------+-------+----------------------------+-----+
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root@node-6:~# cinder service-list
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+------------------+-------------------------------+------+---------+-------+----------------------------+-----+
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| Binary | Host | Zone | Status | State | Updated_at | ... |
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+------------------+-------------------------------+------+---------+-------+----------------------------+-----+
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| cinder-backup | node-9.domain.tld | nova | enabled | up | 2016-07-19T11:44:01.000000 | ... |
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| cinder-scheduler | node-6.domain.tld | nova | enabled | up | 2016-07-19T11:43:56.000000 | ... |
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| cinder-scheduler | node-7.domain.tld | nova | enabled | down | 2016-07-19T11:43:59.000000 | ... |
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| cinder-scheduler | node-8.domain.tld | nova | enabled | up | 2016-07-19T11:44:00.000000 | ... |
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| cinder-volume | node-9.domain.tld@LVM-backend | nova | enabled | up | 2016-07-19T11:44:00.000000 | ... |
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+------------------+-------------------------------+------+---------+-------+----------------------------+-----+
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#. Remove the services and / or agents that are reported failed on that node.
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.. code-block:: console
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root@node-6:~# nova service-delete <id of service to delete>
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root@node-6:~# cinder service-disable <hostname> <binary>
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root@node-6:~# neutron agent-delete <id of agent to delete>
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#. Then, restart the Collector on all the controller nodes.
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.. code-block:: console
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[root@node-1 ~]# crm resource restart log_collector
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[root@node-1 ~]# crm resource restart metric_collector
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