Thursday, 2014-06-26

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RobLevasSergeyLukjanov, dmitryme: I am having an issue with DevStack and communicating with cluster instances via the HDP plugin... any time for a few questions?13:56
dmitrymeRobLevas: yep, what is wrong?13:59
RobLevasdmitryme: awesome... we seem to have an issue where at some point after the cluster is up and the plugin has performed some steps to install hadoop and other services we fail to connect via HTTP from the plugin to one of the nodes....14:00
RobLevasdmitryme: however if we edit the code in adapter.py to force the DEFAULT_RETRIES value to be 20 instead of 0, it tends to work better.14:01
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RobLevasdmitryme: oops.. adapters.py, not adapter.py14:02
RobLevasdmitryme: it seems like this isnt the correct issue, since all works fine in OpenStack, so I must have a bad configuration somewhere, right? If so, do you know where I should look?14:03
dmitrymeRobLevas: sorry, no idea. Neutron is really complex and, I’d say bugged thing. You can try and use stable/icehouse branch of OpenStack components in DevStack. It can help.14:05
RobLevasdmitryme: thanks..  I will see if that is an option, but I think we are gearing up to test for Juno14:06
RobLevasBTW, this is the error: sahara.service.ops ConnectionError: HTTPConnectionPool(host='172.21.194.28', port=8080): Max retries exceeded with url: /api/v1/clusters/test/requests/1/tasks?fields=Tasks/status (Caused by <class 'httplib.BadStatusLine'>: '')14:07
elmikoRobLevas: i had a thought last night, not sure how it pertains to the max retries, but do you have a security policy that allows all ingress traffic to the cluster?14:08
RobLevaselmiko: I am not sure... but traffic does flow to the cluster.14:09
RobLevaselmiko: would this be via iptable?14:10
dmitrymeOur CI runs on DevStack, but as for dev testing, we do it on Icehouse lab14:10
elmikoRobLevas: it would be in openstack14:11
RobLevasdmitryme: hmm.. we never seem to have this issue with CI, so maybe it is a version thing.14:12
RobLevaselmiko: I will have to look at the config14:12
elmikoRobLevas: you could use `$ nova secgroup-list-rules` to see what security rules are in place14:13
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dmitrymeRobLevas: yep, didn’t see it on CI yet, but keep in mind that we update CI DevStack once in a week or two. So it could be that CI doesn’t yet have commit which breaks Neutron14:15
RobLevasdmitryme: I think this issue is older than a week14:16
elmikoRobLevas: http://paste.openstack.org/show/84996/ is a command to open all ports, if you want to try it out. i would only recommend this on devstack, it is not intended for production.14:16
RobLevaselmiko: I get an error... error: too few arguments14:16
RobLevaselmiko: that error was for the nova segroup-list-rules command14:17
elmikoRobLevas: you probably need to specify the tenant, and maybe another detail14:17
RobLevaselmiko: oh... I will play with it, thanks14:18
elmikooh, and the security group14:18
RobLevasoh14:21
elmikoRobLevas: it might be easier to use the dashboard, but if you look in your project tab, under "Access & Security" you can see all the security groups. they contain the rules for allowing ingress/egress traffic. i had an issue once where my ambari server needed a port opened there to communicate. might be unrelated to your issue, but i thought about it last night after we talked.14:23
elmikoand it only happened for me on devstack because of the default rules14:23
RobLevaselmiko: well the plugin can communicate with Ambari for a while... then it stops... after the hadoop services are installed.14:24
elmikoRobLevas: ahh, maybe unrelated then. just a thought.14:24
RobLevaselmiko: good thought though. :)14:24
RobLevaselmiko: my security rules look good.14:29
elmikoRobLevas: cool, you know, you gotta check all the details :)14:30
RobLevaselmiko: Yup, sometimes it really isn't plugged in. :)14:30
dmitrymeRobLevas: just checked, our CI is 6 days old. Can’t say what can be different with your setup14:30
RobLevasdmitryme: thanks.  I will see if we can set DevStack up to install Icehouse and see if the issue is still there14:31
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SergeyLukjanovfolks, meeting in 5 mins17:56
LonggeekSergeyLukjanov: recheck sahara-ci, the same problem https://review.openstack.org/#/c/102335/ https://review.openstack.org/#/c/101480/17:57
SergeyLukjanovLonggeek, okay, thanks for noting, I'll ask ci maintainer to check it tomorrow17:58
LonggeekSergeyLukjanov: ok17:59
SergeyLukjanovLonggeek, sorry about that17:59
LonggeekSergeyLukjanov: Never mind, I just wanted to let you know18:00
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openstackgerritA change was merged to openstack/sahara-dashboard: Fixed job execution status display  https://review.openstack.org/10265819:03
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SergeyLukjanovRobLevas, 101050 approved19:10
RobLevasSergeyLukjanov: Great... much appreciated. :)19:10
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openstackgerritpritesh proposed a change to openstack/python-saharaclient: Remove vim editor configuration from comments  https://review.openstack.org/10292519:41
openstackgerritpritesh proposed a change to openstack/python-saharaclient: Remove vim editor configuration from comments  https://review.openstack.org/10292519:43
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openstackgerritpritesh proposed a change to openstack/python-saharaclient: Fixes ambiguous cli output between "None" and NoneType  https://review.openstack.org/10295521:58
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openstackgerritA change was merged to openstack/sahara: Upgrades the HDP plug-in to install Hue  https://review.openstack.org/10105022:09
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sballeelmiko Thanks for your help. I got sahara and sahara-dashoard installed in devstack. Now comes the fun stuff :)23:11
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