[devstack][stein][masakari]Using Masakari in multihost devstack stein setup

Patil, Tushar Tushar.Patil at nttdata.com
Tue Apr 30 15:17:24 UTC 2019


Hi Sanjay,

You will need to add following config options in masakarimonitors.conf under the [api] section.

auth_url
password
project_name
username
user_domain_id
project_domain_id
region

We have added support to install and run following masakari-monitors in the current master planned to available in Train cycle.

1. process monitor
2. instance monitor
3. introspective instance monitor

We are still working on adding support to install and run host monitors using devstack.

Regards,
Tushar Patil




________________________________________
From: Sanjay K <isanjayk5 at gmail.com>
Sent: Tuesday, April 30, 2019 10:04:21 PM
To: Patil, Tushar
Cc: openstack-discuss at lists.openstack.org
Subject: Re: [devstack][stein][masakari]Using Masakari in multihost devstack stein setup

Hi Tushar,
Thanks you for your quick response on this. As I have already included the masakari-monitors plugin in my compute host's local.conf file in devstack, I have the repo present in my VM. Following the steps to set up the conf files and start the necessary masakari monitoring processes from this link https://github.com/openstack/masakari-monitors/blob/master/README.rst I get the same error when I start the 3 monitoring processes (masakari-processmonitor, masakari-hostmonitor, masakari-instancemonitor) -

stack at devstack-:/etc/masakarimonitors$ masakari-processmonitor
Traceback (most recent call last):
  File "/usr/local/bin/masakari-processmonitor", line 10, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/dist-packages/masakarimonitors/cmd/processmonitor.py", line 31, in main
    config.parse_args(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/masakarimonitors/config.py", line 32, in parse_args
    default_config_files=default_config_files)
  File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2127, in __call__
    self._check_required_opts()
  File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2865, in _check_required_opts
    raise RequiredOptError(opt.name<http://opt.name>, group)
oslo_config.cfg.RequiredOptError: value required for option auth-url in group [api]

After masakari setup I can file all the required binaries in my /usr/local/bin directory -

$ ls -ltr /usr/local/bin/masakari*
-rwxr-xr-x 1 root root  222 Apr 17 01:55 /usr/local/bin/masakari
-rwxr-xr-x 1 root root  976 Apr 21 23:41 /usr/local/bin/masakari-processmonitor.sh
-rwxr-xr-x 1 root root  918 Apr 21 23:41 /usr/local/bin/masakari-hostmonitor.sh
-rwxr-xr-x 1 root root 1854 Apr 29 01:01 /usr/local/bin/masakari-wsgi
-rwxr-xr-x 1 root root  158 Apr 29 01:01 /usr/local/bin/masakari-status
-rwxr-xr-x 1 root root  158 Apr 29 01:01 /usr/local/bin/masakari-manage
-rwxr-xr-x 1 root root  158 Apr 29 01:01 /usr/local/bin/masakari-engine
-rwxr-xr-x 1 root root  155 Apr 29 01:01 /usr/local/bin/masakari-api
-rwxr-xr-x 1 root root  174 Apr 30 04:34 /usr/local/bin/masakari-processmonitor
-rwxr-xr-x 1 root root  188 Apr 30 04:34 /usr/local/bin/masakari-introspectiveinstancemonitor
-rwxr-xr-x 1 root root  175 Apr 30 04:34 /usr/local/bin/masakari-instancemonitor
-rwxr-xr-x 1 root root  171 Apr 30 04:34 /usr/local/bin/masakari-hostmonitor

Please let me know is there any issue with my masakari setup with devstack and where can I find latest documentation on Masakari for using in devstack.

thanks for your pointer,
best regards,
Sanjay

On Tue, Apr 30, 2019 at 3:24 AM Patil, Tushar <Tushar.Patil at nttdata.com<mailto:Tushar.Patil at nttdata.com>> wrote:
Hi Sanjay,

In case of masakari-processmonitor, it only monitors processes as mentioned in the process_list.yaml which by default monitors libvirt-bin, nova-compute, instancemonitor, hostmonitor and sshd processes.

To test process failure, you should terminate any of the above processes.

In case of instancemonitor, you can shutdown the VM to test whether a notification is sent or not.

>> I have asked the same question in openstack forum, but not got a single response.
Sorry, I didn't notice your question on forum. I have replied above comment on forum as well.

Regards,
Tushar Patil

________________________________________
From: Sanjay K <isanjayk5 at gmail.com<mailto:isanjayk5 at gmail.com>>
Sent: Monday, April 29, 2019 6:18:20 PM
To: openstack-discuss at lists.openstack.org<mailto:openstack-discuss at lists.openstack.org>
Subject: [devstack][stein][masakari]Using Masakari in multihost devstack stein setup

Hi all,
I have been trying to setup Masakari in a 3 node setup - 1 controller + 2 computes with minimal openstack services installed using devstack stable/stein version. All these 3 nodes are Ubuntu 16.04 VMs. I have included Masakari plugin in controller's local.conf file and included masakari-monitor in both compute node's local.conf file. I want to test out VM/process failure in my test environment. To do so, when I kill one of the qemu process created for one instance (cirros 256 flavor VMs) on one of the compute with root user login, I did not see any notification under my horizon/instance-ha section for this (I have already created Segments, Hosts under instance-ha in horizon). Also the killed process is not restarted by Masakari.

I have asked the same question in openstack forum, but not got a single response.

masakari-notification-on-process-failure<https://ask.openstack.org/en/question/121490/masakari-notification-on-process-failure/>

Whether any additional services related to Masakari need to be configured on compute hosts to detect failures since I did not find exactly the documentation related inside devstack for this.

Please let me know if I am missing anything my set up. Any helps and pointers are most appreciated.

thank you for your reply.

best regards
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