Tuesday, 2015-12-08

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psargentneiljerram: are you there?14:58
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neiljerramhi, yes15:01
psargentare you available now to chat about project plans?15:02
neiljerramSure, yes.15:02
neiljerramDo you want to drive on that?15:02
psargentok! sure ! I was thinking about breaking up in the following stages of work15:04
psargent1) training, familiar with Neutron  2) write design document 3) review documents 4) code 5) test15:05
neiljerramThat sounds very good to me.15:05
psargentI am not sure how many weeks to assign to each stage but I can give an estimation15:06
neiljerramHow much time do you have per week, in general?15:06
psargentI have 40 hrs per week but I have some planned vacation coming up15:07
neiljerramCool. Is it OK for me to ask when the vacation is?15:08
psargentsure... I am looking at my calendar ...just a sec15:08
psargentok...I wanted to get my dates correct...I will be on vacation Dec 23 to the beginning of the year15:10
psargentreturning on Jan 4........15:10
neiljerramOK, that is quite similar to me.  I will be on vacation from 16th Dec until 3rd Jan.15:11
psargentok!15:11
neiljerramBut I can still be available from home during most of that time.15:11
psargentme too...I will pop in from time to time15:12
neiljerramI will see email (because it's on my phone), and will then be able to switch on a computer to do IRC15:12
psargentand one more vacatin day on January 815:12
neiljerram(or reviews, anything else etc.)15:12
psargentok15:12
psargentI was thinking the first two weeks of training and getting familiar with Neutron.....I set up DevStack15:13
neiljerramOK, so that's from now until 21st?15:14
neiljerramIs DevStack working for you?15:14
psargentI have installed DevStack but I have not tried to set up a network or anything yet15:15
psargentI am able to login as admin and15:16
neiljerramPresumably just a single node first, which does both control and compute function?15:17
psargentit's down again...I was going to login in..but do you think it would be good training15:18
neiljerramNot sure I completely follow - but no doubt that a working DevStack is essential for exploring further work after that.15:19
psargentyes...it is a single node and has compute and network functions15:19
neiljerramDefinitely good training, i.e. a good way to start understanding the pieces of an OpenStack system15:19
psargentI am actually running the neutron code when I use the Network function in DevStack15:21
psargentis that correct?15:21
neiljerramYes.15:21
neiljerramShould be, anyway.  May still need a setting in local.conf - I'll just check...15:22
psargentok...15:23
psargentHow can I setup Neutron IPAM on DevStack? Can you point me in a direction here?15:24
neiljerramI think all that's needed is for 'neutron' and some 'n-' things to be enabled services.  For example in my current work I have:15:24
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neiljerram    ENABLED_SERVICES=n-cpu,neutron,q-dhcp,n-api-meta,calico,calico-bird15:25
neiljerramfor a compute node, and15:25
neiljerram    disable_service dstat15:25
neiljerram    disable_service tempest15:25
neiljerram    disable_service n-net15:25
neiljerram    enable_service q-svc15:25
neiljerram    enable_service q-dhcp15:25
neiljerram    enable_service n-api-meta15:25
neiljerramfor a control node.15:25
psargentok....is this in your local.conf file?15:26
neiljerramSorry, I meant 'q-' things, not 'n-'.  'q' is the DevStack prefix for Neutron, and 'n' is for Nova15:26
psargentok15:27
neiljerramWell, actually it's in the 'settings' file of my networking driver's DevStack plugin. But exactly the same should work in local.conf as well.15:27
neiljerramHave you been following some DevStack config guide?15:27
psargentok15:27
psargentyes...I have been following the DevStack config quide15:28
neiljerramSo, for a single node, I think I'd write the disable_service and enable_service lines above, plus enable-service lines for n-cpu and neutron15:28
neiljerram(ignore the 'calico' ones, that's my networking driver)15:29
psargentok...just pulling up the config guide15:29
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neiljerramRe your question above about IPAM... I'm afraid I don't know yet; that's a new detail for me.15:32
psargentok...i think I got it...write the disavle_service and enable_service above and add enable_service n-net15:33
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psargentand add enable_service neutron15:33
neiljerramNo, not 'n-net'.  n-net means Nova networking, which is the old thing that came before Neutron15:33
psargentRe IPAM question: ok !15:33
psargentok'15:34
neiljerramOverall, I think you should aim for a working DevStack node, where you can create - say - 2 VMs on the same network.15:34
neiljerramBy default, I think those VMs will get their IP addresses from the non-pluggable IPAM.15:35
psargentok... 2 VMs on the same network...15:35
psargentohh ok15:35
neiljerramSo then next step would be to change config (somewhere, I'm afraid I don't know) to use pluggable IPAM instead, with the default driver class.15:36
neiljerramThat should have the same result, i.e. created VMs get an IP address similar to what they get with the non-pluggable IPAM15:37
psargentok...after creating 2 VMs on the same network...and then figure out how to change conifng to use pluggable IPAM15:37
psargentok...I understand15:38
neiljerramAnd then the next step after that would be to play with making your own pluggable IPAM driver that does some wacky IP allocation, and configure that in and check that it gets called.15:38
neiljerramSo at that point your code would be controlling the IP address that each VM gets, and you can tweak that any way you like.15:39
psargentok...the fun part!!15:39
neiljerramYes!15:40
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psargentok....I think..I have the steps...now the execution !! I'm still geting use to the development enivronment15:42
psargentbut I am sure15:42
neiljerramExactly - but it's good to see a bit where we're aiming.  As you say, first thing is to be sure of having a working DevStack, and understanding that (up to a point!)15:43
psargentok...i'm sure everything will come together!!!15:44
psargentYes...I'll start with 2 VMs on the same network15:45
psargentcreating 2 VMs on the same network15:45
neiljerramYes, 2 VMs, check you know how to ssh into them, check if 1 VM can ping the other - that kind of thing15:46
psargentok..got it!15:46
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psargenti'll follow the DevStack guide and see what I can create!15:48
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neiljerramOK.  Shall we plan to speak again at about this time on Friday?15:48
psargentyes! sounds good !!15:49
neiljerramIt's fine to ping me at any other time before then, but good to have a plan in mind too.15:49
psargentok.....will ping you if run into something major...but will plan to meet on Friday at the same time15:50
neiljerramGreat; best wishes!15:51
psargentThanks !  Best wishes to you too, Have a good evening!15:51
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