Monday, 2019-04-08

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mkraiHi, while setting up devstack I get this error http://paste.openstack.org/show/748981/05:35
mkraiI checked that auth05:35
mkraiI checked that auth_url is correctly set in environment variable05:35
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openstackgerritColleen Murphy proposed openstack/keystone master: Convert user_id back to string  https://review.openstack.org/65061506:31
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knikollao/13:07
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openstackgerritColleen Murphy proposed openstack/keystone master: Convert user_id back to string  https://review.openstack.org/65061513:10
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gagehugoo/14:24
lbragstado/14:26
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cmurphy\o14:31
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ayoungkmalloc, got a customer interested in using mariadb async replication from a central keystone to remotes.  All installs done via TripleO.  THought?17:26
kmallocHmmmm17:26
ayoungAs I can see it, there problem points are going to be the data installed into the remote sites during install17:27
kmallocIf it is not bi-directional replication (not master/master with the remotes) it is probably ok.17:27
ayoungI think all service catalogs are region 117:27
ayoungand the nova etc users will have distinct passwords17:27
ayoungbut all be in the same database17:27
ayoungI think you can sync paswords, though,17:28
kmallocYou can. But conflicts because we key on name for unique in some cases could be hard.17:28
ayoungthey would have different userids, but I think all the config files only have usernames17:28
kmallocIf it is multi-master17:28
ayoungI wonder if they could install the lower clusters, shut them down, run the sync, update the config files, and bring it back up?17:29
kmallocProbably17:29
ayoungI don't think OOO supports service users in LDAP17:42
ayounglet me check.17:42
ayoungI think the installer puts services users in the default domain17:42
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ayoungkmalloc, I told them not to do it.  Upgrades18:41
kmallocah18:41
ayoungIt really is something we need to work on with the TripleO team18:41
ayoungor maybe edge?18:42
openstackgerritRaildo Mascena proposed openstack/keystone master: [WIP]Fixing dn_to_id function for cases were id it's not in the DN  https://review.openstack.org/64917718:48
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cmurphylbragstad: kmalloc need stable reviews for this stein boilerplate                         | https://review.openstack.org/#/q/status:open+(project:openstack/keystone+OR+project:openstack/keystoneauth+OR+project:openstack/keystonemiddleware)+branch:stable/stein                                           │19:11
kmallocdone19:13
* kmalloc goes back to PTO.19:13
* lbragstad goes back to tinkering with ansible19:14
lbragstadunrelated: i wish i would have found this *years* ago https://docs.ansible.com/ansible/latest/modules/github_key_module.html19:14
eanderssonA silly question but local_users has a primary key and auto increment for id.19:32
eanderssonWould it be possible to change this id to a uuid?19:32
eanderssonauto increment makes async replication difficult :p19:33
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kmalloceandersson: uuid is a terrible PK19:39
eanderssonsure - but auto increment and primary key is not great either for replication19:40
eanderssonnot sure what the better alternative is19:40
kmallocautoinc19:40
kmallocyou can set a skip value, so node 1 does, 1, 3, 5 etc19:40
kmallocand node 2 does 2,4,619:40
eanderssonassuming you can do that19:41
kmallocuuids are terrible for PK indexing in most mysql cases. And internal PKs should not be exposed, especially if it's a FK to another table19:41
kmallocasync multimaster is also a terrible idea with an application like keystone19:42
kmallocthis is just my opinion though.19:43
kmallochonestly, i'd rather see all the PKs in keystone move to autoinc.19:44
kmallocto be consistent19:44
eanderssonI just want to offer a good experience to our customers19:44
kmallocwhat are you trying to solve exactly? a 100% shared keystone across many micro sites?19:45
eanderssonand unfortunately my expertise within databases, and database replications is limited19:45
openstackgerritColleen Murphy proposed openstack/keystone master: Convert user_id back to string  https://review.openstack.org/65061519:45
eanderssonpretty much19:45
* kmalloc is going to get yelled at by his better half for doing "work".19:45
eanderssonI mean we have had this running for many years19:45
kmallocwell not yelled at...just a stern glare19:45
kmalloc:P19:45
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eanderssonand it works great in general, but as some applications started generating local users19:46
kmallocis it because you need domains/projects/user_ids to be consistent or are you using tokens from one environment in anotheR?19:46
eanderssonit started causing issues19:46
eanderssonas most of our users are backed by ldap19:46
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eanderssondomains/projects + tokens19:46
eanderssonis what we care about19:46
eanderssonto be available in all other regions19:46
eanderssonavailable + consistent19:46
kmallocso, the general way i'd do that is central management with read-only remote replicas.19:47
eanderssontokens are easy of course due to fernet19:47
kmallocassuming your CRMS is managing user data to LDAP.19:47
kmallocmanage users/projects/domains centrally, then the remote sites could receive 100% of the replication19:47
kmallocit can scale to probably ~20+ sites, though i think there are issues scaling this upwards of 100, even wtih async19:48
eanderssonHow would that even work? How do you move writes to one region, and all reads to local region?19:48
eanderssonor do you proxy writes to a central region?19:49
kmallocoslo.db should support read vs write connections19:49
kmalloci *think* we have that in keystone19:49
eanderssonAre you going to Denver kmalloc ?19:49
kmallocnope19:49
kmalloci wont be in denver19:49
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openstackgerritRaildo Mascena proposed openstack/keystone master: [WIP]Fixing dn_to_id function for cases were id it's not in the DN  https://review.openstack.org/64917720:09
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