Thanks Mark. Since I can't send docker-specific args via Kubernetes pods, I've shifted to the blueocean container and the issue doesn't happen there.
It's a pity I can't use the main jenkins container, but this will do me for now. Cheers, Shaun On Tuesday, February 21, 2017 at 3:56:58 PM UTC+11, Mark Waite wrote: > > I've had to launch the docker command with the "--dns" argument and the IP > address of the DNS server on my network. My environment is just the simple > Docker daemon on a Ubuntu host, but I seemed to consistently have DNS > problems until I added that argument to the docker command line. > > Mark Waite > > On Mon, Feb 20, 2017 at 9:54 PM <[email protected] > <javascript:>> wrote: > >> Hey there, >> >> I'm wondering if anyone else has come up against this issue. >> >> I'm running up the latest jenkins container (2.32.2) on top of: >> >> - Docker 1.13.0 >> - CoreOS 1313.0.0 >> - Kubernetes v1.5.3 >> - Vagrant 1.9.1 >> >> And jenkins complains on start up that it can't find the updates mirror: >> >>> java.net.UnknownHostException: mirrors.jenkins-ci.org >> >> >> Fair enough. But if I try and resolve the host in that same container I >> can resolve back to an IP, even curling that host brings back the site: >> >> $ kubectl exec -it jenkins-pwqwq curl http://mirrors.jenkins-ci.org | >> head >> <html> >> <!-- >> MANAGED BY PUPPET. DO NOT MODIFY. >> >> >> This file generated from index.erb. Edit that file and do >> >> >> erb < index.erb > index.html >> --> >> <head> >> <title>Jenkins mirrors</title> >> >> Additionally, if I run a jenkins job with a simple command to curl that >> host (it's a single master jenkins setup), I get content back. >> >> Anyone got any pointers? I've blown the stack away and recreated a number >> of times, no resolution. I feel like jenkins thinks the DNS host is >> something it is not. >> >> >> Regards, >> Shaun >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Jenkins Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/jenkinsci-users/7b50abf6-2eb5-4afe-890f-d70b4a889878%40googlegroups.com >> >> <https://groups.google.com/d/msgid/jenkinsci-users/7b50abf6-2eb5-4afe-890f-d70b4a889878%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/7fe54834-3498-44d4-8f82-156447455332%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
