Thursday, 2016-10-06

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openstackgerritWonChon proposed openstack/trove: Fix restoring redis data is not ended  https://review.openstack.org/38217401:43
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openstackgerritGábor Antal proposed openstack/trove: Removed H237 from tox.ini  https://review.openstack.org/37550410:18
openstackgerritThomas Bechtold proposed openstack/trove: Extract RPMPackagerMixin  https://review.openstack.org/36614010:30
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openstackgerritPundaleek P Belamge proposed openstack/trove-specs: Datastore version cloudinit support  https://review.openstack.org/38297213:59
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openstackgerritPundaleek P Belamge proposed openstack/trove-specs: Datastore version cloudinit support  https://review.openstack.org/38297214:05
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openstackgerritPundaleek P Belamge proposed openstack/trove-specs: Datastore version cloudinit support  https://review.openstack.org/38297214:20
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openstackgerritPundaleek P Belamge proposed openstack/trove-specs: Datastore version cloudinit support  https://review.openstack.org/38297214:42
openstackgerritPundaleek P Belamge proposed openstack/trove-specs: Datastore version cloudinit support  https://review.openstack.org/38297214:53
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openstackgerritMorgan Jones proposed openstack/trove: [WIP] Multi-Region Support  https://review.openstack.org/38249515:20
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openstackgerritTrevor McCasland proposed openstack/trove: Remove downgrade  https://review.openstack.org/38267616:19
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amrithpbelamge, hello. you pinged on PM?16:44
amrithif it relates to trove, this is a better place so others can join in as well.16:45
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openstackgerritTrevor McCasland proposed openstack/trove: Remove downgrade  https://review.openstack.org/38267616:47
amrithtrevormc, the downgrade thing looks good. thx16:48
amrithlet's wait for the tests to do their thing16:48
pbelamgethis is w.r.to service_type.cloudinit scripts16:58
pbelamgecurrently, trove supports these scripts as mysql.cloudinit17:00
amrithok17:00
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pbelamgesuppose user adds script for mysql-server-5.6, the instances for mysql will be created for mysql 5.6 only17:03
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pbelamgethere is no option for 5.7 mysql unless they register dedicated image to trove for 5.7 mysql17:03
pbelamgesimilarly, for cassandra, some user may go with 2.2, some with 3.0 and some with latest17:04
pbelamgefor all these versions they need to maintain independent images registered with trove17:05
amrithok, that's fine. but is this a real issue that someone is facing?17:05
amrithdo you actually have different cloudinit data that you want to send to different server versions?17:05
amrithfor example, I don't use any cloudinit data at all17:05
amrithand the system is quite fine with that17:06
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pbelamgeif no cloudinit data at all then we need to have one image per version in the image store, am I right?17:06
amrithNote that the code in models.py (taskmanager/models.py) checks if there is a file and only uses one if it exists; it is not mandatory.17:06
amrithso my question is this, assuming that you have one cloudinit data per datastore/version, then what? does the rest of trove just work with both 5.6 and 5.7 (say?)17:07
pbelamgeif we want to support mysql, maria, postgres, cassandra, redis, we need to have 1 dedicated image for each of these, correct?17:07
openstackgerritDeepak proposed openstack/trove: Changed the home-page url link  https://review.openstack.org/38315417:08
amrithyes, that is how trove is designed, correct.17:12
amrithor rather, that is how it is normally deployed.17:13
amrithbut it isn't necesary to do that.17:13
pbelamgeok, using cloudinit data, we can have a single image (base-image) irrespective of any datastore, register that image with trove for the versions of the datastores to be supported17:14
amrithI see, very interesting idea. will your single cloudinit file work for centos, fedora, redhat, ubuntu, and who knows what other operating system there may be on the guest?17:15
amrithand what version of the database would be installed on that image? would you have all the databases installed (and all their versions) or no database whatsoever? and how do you know what version will be on there when it gets going?17:15
pbelamgewe can write a script that can check what is the base os type and based on that it can use os level package manager to install and configure the datastore17:16
pbelamgefor enterprise not sure if this helps, but, for community edition we feel it'll help17:17
amrithwhat is community edition and enterprise?17:17
pbelamgemysql community/enterprise edition17:17
amrithi don't follow17:18
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pbelamgefor ex. normally we install mysql community edition using apt-get on ubuntu and configure it - without any steps needing further which may be needed to use enterprise version of mysql17:19
pbelamgewe group those instructions in a script, send that script through cloudinit on a base image which doesn't have any database application pre-installed17:20
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amrithwow, sounds like a hack to me.17:26
amrithis this a feature that at&t would like to use in production?17:27
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pbelamgewe are just trying to understand clients requirements and have that in place before we get those requests17:28
amrithyou do realize that this means that each time you launch a database instance, you will be sucking down a mysql instance and installing it. and if you launched two mysql instances a day or two apart, they could get different versions of mysql, and all of that.17:28
amrithnot to mention the fact that we don't really know for sure with all this whether the common guest agent will work on both database versions ...17:28
pbelamgeNo17:28
pbelamgewe'll get database applications from upstream, and maintain our own repo which will not update frequently17:29
pbelamgeeven if there is a change in version it'll be minor version17:31
amrithbut you don't want to build a guest image with the db on it; even though that db won't update frequently? ok, I don't see what real problem this solves, and it sounds like a hack to me at best.17:31
amrithand if you did want to design such a solution, I certainly would not go down the path of hardcoding version numbers into file names17:31
amrithbut that's just me ...17:32
pbelamgeI understand your point17:32
pbelamgewe just thought it'll minimize the number of images to be created and maintained17:34
pbelamge"but you don't want to build a guest image with the db on it;" - No the guest will not have any db on it prior to trove instance creation17:35
pbelamgeduring instantiation, cloudinit script will fetch the required package from internal mirror which doesn't get updated frequently17:36
amrithyes, I understand. given that your db's don't change often, I don't see the point in this. that's all. reducing the number of images does not seem like a really beneficial goal to me but I may be missing something.17:36
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openstackgerritMorgan Jones proposed openstack/trove: Fix RPC Versioning  https://review.openstack.org/38124120:38
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openstackgerritPetr Malik proposed openstack/trove: Fix scenario tests  https://review.openstack.org/38349021:54
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openstackgerritTrevor McCasland proposed openstack/trove: Remove downgrade  https://review.openstack.org/38267622:00
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openstackgerritTrevor McCasland proposed openstack/python-troveclient: Add i18n to v1/shell.py  https://review.openstack.org/38337022:15
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openstackgerritTrevor McCasland proposed openstack/python-troveclient: Add i18n to v1/shell.py  https://review.openstack.org/38337022:22
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