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| openstackgerrit | Jedrzej Nowak proposed openstack/solar: Increase riak test timeout to 600 https://review.openstack.org/273413 | 09:34 |
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| openstackgerrit | Merged openstack/solar: Increase riak test timeout to 600 https://review.openstack.org/273413 | 10:53 |
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| pigmej | dshulyak: can we have documentation for recent feautres ? :) | 15:31 |
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| dshulyak | pigmej: sure | 17:02 |
| dshulyak | next week :D | 17:02 |
| dshulyak | i will write it tommorow probably | 17:05 |
| openstackgerrit | Lukasz Oles proposed openstack/solar: Use yaml to load data in solar create https://review.openstack.org/273664 | 17:06 |
| openstackgerrit | Lukasz Oles proposed openstack/solar: Allow to use any IPs with fuel-devops https://review.openstack.org/273665 | 17:06 |
| pigmej | dshulyak: ;P incorrect answer :P | 17:10 |
| dshulyak | why? | 17:10 |
| dshulyak | i wanted to finish stevedore part and then work on docs | 17:11 |
| pigmej | yeah it's fine :) | 17:15 |
| pigmej | i was joking :P | 17:15 |
| pigmej | :) | 17:15 |
| dshulyak | any news from meetings? | 17:15 |
| pigmej | it depends | 17:16 |
| pigmej | from solar perspective and all that DP, DR, policy engine nothing changed | 17:16 |
| pigmej | there are some major issues with rollbacks | 17:17 |
| pigmej | or reverts | 17:17 |
| tzn | no reverts ;) | 17:17 |
| pigmej | yeah that's the result of the discussion :) | 17:17 |
| pigmej | we will for sure make a summary, so don't worry dshulyak you will be aware of everything :) | 17:22 |
| dshulyak | ok, i would like to take a look at problems you found with reverts | 17:24 |
| tzn | maybe we should spend some time with Dima tomorrow | 17:25 |
| tzn | summarize the problems | 17:25 |
| pigmej | the thing is that we didn't find the problems in solar | 17:25 |
| dshulyak | i like pigmej variant much more | 17:25 |
| pigmej | we found the problem in the bigger picture | 17:26 |
| pigmej | not solar itself dshulyak | 17:26 |
| dshulyak | yeah, i understand what you are talking about | 17:26 |
| pigmej | dshulyak: the major problem is that when we have multiple data sources (let's say IP data in network manager), with separate databases (each component has it's own database), we cannot control state, because when you change ip from 10.0.0.15 to 192.168.0.27 you *may* be unable to revert this change, because of many reasons | 17:28 |
| pigmej | one could be 10.0.0.15 is already taken by some other service, there is no even 10.0.0.15 anymore in configured network ranges | 17:28 |
| pigmej | etc | 17:28 |
| pigmej | and because we cannot force everyone to use solar as a db store, it's impossible to detect those scenarios without continuous online synchronic replication engine like let's say Datomic | 17:30 |
| pigmej | and having this thingy would be veeeeeeeeeeeeeeeeeeeeery complicated and hard to both maintain use and write | 17:31 |
| dshulyak | i think it is doable if revert will be initiated in the application that is the source of the data, in this case in network manager itself, it means ofcourse that application itself will need to keep history of changes | 17:46 |
| dshulyak | what is this datomic is doing? this is some kind of transcations app? | 17:46 |
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| dshulyak | i thought that we will maintain consistency using some kind of cross-app transaction, so lets say data is changed in network manager - network manager will initiate transcation, every other service will be aware (including solar), and after solar will say ok i made necessary change - we can proceed with other actions, e.g. deployment | 17:50 |
| dshulyak | it is more like events and aggregation of events before next action | 17:50 |
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