| blackboxsw | confirmed, Azure: zesty hostname updates on the command line don't get auto-posted to dhcp, as such nslookup of your hostname just after setting it is unresolvable. Artful and bionic it works within < 1/2 second | 06:02 |
|---|---|---|
| blackboxsw | ok was just a drive by. I'm off | 06:02 |
| dojordan | @blackboxsw, did you have waagent running? it also has some functionality to trigger dhcp on hostname change: https://github.com/Azure/WALinuxAgent/blob/master/azurelinuxagent/ga/env.py#L39 | 17:24 |
| blackboxsw | good point dojordan forgot to check settings on the waagent | 17:25 |
| blackboxsw | will spin up zesty & artful again to check both | 17:25 |
| blackboxsw | smoser: manual_cache_clean branch: do we really care about logging dicfg == None? or could we just return with "no di_report found in config" | 17:56 |
| blackboxsw | minor comment left on https://code.launchpad.net/~smoser/cloud-init/+git/cloud-init/+merge/335956 | 17:57 |
| blackboxsw | question really | 17:57 |
| blackboxsw | I'll actually test that in a minute here. but I don't think we can get to that "di_report is None" logic | 17:58 |
| smoser | you are correct | 17:58 |
| smoser | blackboxsw: no. you can get there. | 17:59 |
| smoser | oh. wait. no. | 17:59 |
| smoser | blackboxsw: http://paste.ubuntu.com/26373092/ ? | 18:00 |
| blackboxsw | dojordan: zesty azure, waagent is running on zesty, but I see systemd-networkd is dead | 18:01 |
| dojordan | interesting, during cloud init or after boot? | 18:02 |
| dojordan | is it using networkmanager? | 18:02 |
| dojordan | do ifdown/ifup exist? | 18:02 |
| smoser | no. | 18:02 |
| blackboxsw | smoser: sure. per your pastebin if we want to differentiate from no di_report and empty di_report I' | 18:02 |
| blackboxsw | am +1 | 18:02 |
| smoser | blackboxsw: http://paste.ubuntu.com/26373186/ | 18:03 |
| smoser | no reason to set a default since we've already checked if it was there. | 18:03 |
| smoser | dojordan: ubuntu cloud images dont use networkmanager anywhere | 18:04 |
| smoser | dojordan: you might be right on walinuxagent triggering the hostname update. | 18:04 |
| smoser | i suspect you are | 18:04 |
| blackboxsw | smoser: +1 on di_report 2nd paste because we also check for None in your branch and nondict | 18:05 |
| smoser | i'd forgotten about that. | 18:05 |
| blackboxsw | dojordan: how do I tell walinuxagent monitor frequency? | 18:07 |
| dojordan | let me check | 18:07 |
| dojordan | @blackboxsw, fwiw if you want to disable there is a config flag you can set to disable it | 18:08 |
| dojordan | in /etc/waagent.conf, set Provisioning.MonitorHostName=y | 18:09 |
| * blackboxsw didn't see anything in /var/log/waagent messaging 'Detected hostname change' on zesty or artful. but the hostname update on artful did update dns | 18:10 | |
| dojordan | and it is sleeping 5s | 18:10 |
| blackboxsw | Provisioning.MonitorHostName=n on artful | 18:10 |
| blackboxsw | so it's gotta be systemd-netweorkd | 18:10 |
| blackboxsw | Provisioning.MonitorHostName=n on zesty tii | 18:11 |
| blackboxsw | too | 18:11 |
| dojordan | can you run sudo tcpdump -i eth0 port 67 or port 68 -e -n? | 18:11 |
| dojordan | in a different screen | 18:11 |
| dojordan | while you change hostname | 18:11 |
| blackboxsw | definitely | 18:11 |
| blackboxsw | sudo tcpdump -i eth0 port 67 or port 68 -e -n | 18:13 |
| blackboxsw | tcpdump: verbose output suppressed, use -v or -vv for full protocol decode | 18:13 |
| blackboxsw | listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes | 18:13 |
| blackboxsw | nothing came across the wire across multiple sudo hostname newname calls | 18:13 |
| blackboxsw | yet nslookup myjunk3 | 18:14 |
| blackboxsw | Server:127.0.0.53 | 18:14 |
| blackboxsw | Address:127.0.0.53#53 | 18:14 |
| blackboxsw | Non-authoritative answer: | 18:14 |
| blackboxsw | Name:myjunk3 | 18:14 |
| blackboxsw | Address: 10.0.0.5 | 18:14 |
| dojordan | gotcha, so its not actually re dhcp-ing | 18:14 |
| blackboxsw | doesn't look like it. | 18:15 |
| blackboxsw | w/out dhcp in azure, how could dns have been updated? | 18:16 |
| blackboxsw | I thought that's the mechanism by which that happened | 18:16 |
| blackboxsw | w/out re-dhcp | 18:16 |
| dojordan | that would be the iDNS | 18:16 |
| dojordan | so if you have another VM in the same vnet, can it hit the new hostname? | 18:17 |
| dojordan | (iDNS being the instance dns server). I'm curious about the DNS thing though... | 18:18 |
| smoser | dojordan: were you looking at using the dhclient and ephemeral ivp4 ? | 18:30 |
| dojordan | yeah, I wrote up some quick and dirty code and am testing it now | 18:31 |
| === Beret- is now known as Beret | ||
| smoser | powersj: https://code.launchpad.net/~smoser/cloud-init/+git/cloud-init/+merge/335956 | 18:36 |
| smoser | you knwo what that failed ? | 18:36 |
| smoser | it doesnt seem like my change | 18:36 |
| smoser | https://git.launchpad.net/~smoser/cloud-init/commit/?id=6f59e49b4ece8eceb43b01a3d7c063ee7899a051 | 18:36 |
| smoser | could have gone from green to red | 18:36 |
| smoser | and i just ran c-i here with it. | 18:37 |
| powersj | smoser: you may need to rebase to pick up the pylxd change | 18:39 |
| powersj | yeah I don't see integration-requirements.txt, which will be required to grab the pylxd of the necessary version to support lxd as snap | 18:40 |
| smoser | k | 18:44 |
| smoser | hm. | 18:44 |
| smoser | it worked here though | 18:44 |
| smoser | odd | 18:44 |
| smoser | blackboxsw: if you want to OK https://code.launchpad.net/~smoser/cloud-init/+git/cloud-init/+merge/335956 | 19:29 |
| smoser | officially, that'd be good | 19:29 |
| smoser | then we can pull | 19:29 |
| dojordan | stupid question, but I am having problems mocking cloudinit.util.is_freeBSD()...https://pastebin.com/qSpEtASK | 20:48 |
| dojordan | for some reason when i log the return value in the code to be tested, it is coming back as a magicmock object and not False | 20:48 |
| rharper | dojordan: I think the patch decorator order is backwards, the first line above the fuction is the first parameter | 21:02 |
| blackboxsw | merged https://code.launchpad.net/~smoser/cloud-init/+git/cloud-init/+merge/335956 | 21:26 |
| blackboxsw | +1 on mocking param order suggestion | 21:28 |
| dojordan | awesome, that worked. thanks! | 21:30 |
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