Saturday, 2020-06-06

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factormrf, Each network has a dhcp node or setup as well. I imagine you have to reinstall it also.00:21
factormrf, the best way I have worked with DHCP was with the GUI Horizon to add it back.00:25
mrfyes we got like 70 projects in openstack00:26
mrfwe need to re-create all networks?00:27
factormrf, I looked through my setup DHCP is setup when I create networks by default. But you may need to configure it yourself if you do have a DHCP node.00:27
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factormrf, Can you check to see if you have a DHCP node in the router or network nodes. ?00:28
mrfneutron node runs neutron-dhcp-agent.service00:28
factormrf, sorry I dont know the command to check it via openstack CLI00:28
factorWhat version of openstack?00:29
mrfi see a lot of run-netns-qdhcp\x2dfd7d6b77\x2d0164\x2d4592\x2d8789\x2d78665d107ade.mount loaded active mounted   /run/netns/qdhcp-fd7d6b77-0164-4592-8789-78665d107ade00:29
factorGood00:29
mrflooks like the process involved for dhcp00:29
factoryes that is it, they may only need to be configured to your new setup .00:29
factorI have been working and testing with openshift , so dont have openstack going at this time.00:30
factorBut if you can access the Horizon view , you can drill down and configure the DHCP nodes.00:31
mrfyes i got horizon running because controller havent been affected00:31
factorokay00:33
factormrf, What version of Openstack?00:33
mrfqueens00:33
mrfi think is something related to iptables00:34
factorokay00:34
mrfi just created a new router, a new network00:34
factorI can be. yes00:34
mrffrom horizon without problem00:34
mrfinstance boot, get "assigned" internal ip but it dont recive dhcp leases00:34
factorcheck00:34
factorcan you ping ip address to outside?00:35
factorssh ping what ever should be pingable from outside.00:35
mrfno , i cant ping because instance dont recive the ip00:36
mrfi deployed a cirros instance for testing00:37
mrfwith the new router and new subnet00:37
factorcan you ping the router outside ip?00:37
mrflet me check00:37
factorRight and good00:37
mrfno i cant ping external router ip00:38
factorAlso via Horizon the router should have internal and external ip listed, if not that is your problem not DHCP.00:38
factorYoumay have to recreate only your router.00:38
factoror make a new one .00:38
factorYou can also hack the configs in etc of the controller but , I dont go that route.00:39
mrfyes i already made router and new subnet. Router interfaces show as ADMIN state up, but state down00:39
factorI just recreate or add the router and migrate the instances over.00:39
factorYup00:40
factorState has to be up.00:40
factorWhat type of network are you using to the outside?00:40
mrfflat00:41
factorNifty.00:41
mrfwe use OVS setup for that00:41
factorYup00:41
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mrfwe got a network node , with internal eth and external eth00:42
factorLooking00:42
mrfthe external its the "br-ex"00:42
factorYes00:42
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factormrf, that is the common problem by the way.00:43
factormrf, You have to follow the steps in a certain manner or it does not work.00:44
factorWhen you create a network (this is for openstack command line not neutron but should be like )https://icarusfactor.github.io/openstack-Installs/stein/centos7_packstack_manual_demo/00:45
factorThis is for Stein , but works.00:45
factorif you can convert the commands to neutron. As to what steps to do first.00:46
factorStein finally converted the commands to work on the openstack cli.00:46
factorqueens used neutron for network create.00:46
factorsame variables , only slightly different.00:47
factorCreate Flat External Network00:47
factoris where it starts.00:47
factorIf you get these steps out of order it wont work, why I created this write up.00:48
factormrf, https://github.com/icarusfactor/openstack-Installs/blob/master/rocky/ScalableWebService00:51
factorFound my older version that used neutron to setup network. Follow that one00:51
factorWith Queens you may have to use more neutron commands. This one was rocky.00:52
factorI only had to use one neutron command for this version.00:52
factorStep 5 is the neutron command to create a flat network.00:53
factortwo commands sorry :)00:53
factorand the second command enables or disables DHCP on the older version00:53
factorI disable DHCP since I use the DHCP server on my main network. .00:54
factorBut since you cant ping the outside world its the router setup that got borked.00:55
factorokay now back to what I was doing... making a write up for Openshift 4.x00:58
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factorOh nice found the poenstack installer for openshift. Good deal. Will try it out later.01:59
factorWill definitely make a write up for it on top of my openstack installs. Very nice combo.02:00
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lvdombrkrhello guys. i have question about password injection. to inject password generated by openstack ( adminPass) i just need to change nova config to inject_password=true and customize image?06:02
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lvdombrkr hello guys, trying to inject admin_password (inject_password=true ) into  image but when creating instance get this error in nova-compute.log12:02
lvdombrkr 2020-06-06 14:53:50.188 6 WARNING nova.virt.disk.api [req-94f485ca-944c-40e9-bf14-c8b8dbe09a7b 052d02306e6746a4a3e7e5449de49f8c 413a4cadf9734fca9ec3e5e6192a446f - default default] Ignoring error injecting admin_password into image (a bytes-like object is required, not 'str')12:02
lvdombrkrany ideas?12:02
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lvdombrkrTrain + Centos812:08
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fricklerlvdombrkr: sounds like an issue with python3, best create a bug report against nova12:39
lvdombrkrfrickler: good, i will ask in nova irc channel12:44
lvdombrkrthanks12:44
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jeniahello everyone15:41
jeniaI'm going through the OpenStack tutorial: https://docs.openstack.org/install-guide/overview.html#example-architecture15:41
jeniafrom what I udnerstand, ill be running at least two VMs: one controller and the other a Compute Node15:42
jeniamy question is, what's going to manage the two VMs?15:42
jenialike do I spin them up with QEMU or something or there's a software I need to install on my computer that manages the different VMs where OpenStack components run15:43
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factorjenia, Are you wanting to try out Openstack All In One is a good place to get a good footing and you can hack it later to expand to more boxes.18:04
factorAll In One Can work inside Qemu or Virtualbox.18:04
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factorYou will need at least 8 cores to do this though, I recommend.18:04
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factorBut again a good start is with AllInOne18:05
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