Le lundi 25 avril 2016 à 11:12 +0200, Niels de Vos a écrit : > On Mon, Apr 25, 2016 at 10:43:13AM +0200, Michael Scherer wrote: > > Le dimanche 24 avril 2016 à 15:59 +0200, Niels de Vos a écrit : > > > On Sun, Apr 24, 2016 at 04:22:55PM +0530, Prasanna Kalever wrote: > > > > On Sun, Apr 24, 2016 at 7:11 AM, Vijay Bellur <vbellur@xxxxxxxxxx> wrote: > > > > > On Sat, Apr 23, 2016 at 9:30 AM, Prasanna Kalever <pkalever@xxxxxxxxxx> wrote: > > > > >> Hi all, > > > > >> > > > > >> Noticed our regression machines are reporting back really slow, > > > > >> especially CentOs and Smoke > > > > >> > > > > >> I found that most of the slaves are marked offline, this could be the > > > > >> biggest reasons ? > > > > >> > > > > >> > > > > > > > > > > Regression machines are scheduled to be offline if there are no active > > > > > jobs. I wonder if the slowness is related to LVM or related factors as > > > > > detailed in a recent thread? > > > > > > > > > > > > > Sorry, the previous mail was sent incomplete (blame some Gmail shortcut) > > > > > > > > Hi Vijay, > > > > > > > > Honestly I was not aware of this case where the machines move to > > > > offline state by them self, I was only aware that they just go to idle > > > > state, > > > > Thanks for sharing that information. But we still need to reclaim most > > > > of machines, Here are the reasons why each of them are offline. > > > > > > Well, slaves go into offline, and should be woken up when needed. > > > However it seems that Jenkins fails to connect to many slaves :-/ > > > > > > I've rebooted: > > > > > > - slave46 > > > - slave28 > > > - slave26 > > > - slave25 > > > - slave24 > > > - slave23 > > > - slave21 > > > > > > These all seem to have come up correctly after clicking the 'Lauch slave > > > agent' button on the slave's status page. > > > > > > Remember that anyone with a Jankins account can reboot VMs. This most > > > often is sufficient to get them working again. Just go to > > > https://build.gluster.org/job/reboot-vm/ , login and press some buttons. > > > > > > One slave is in a weird status, maybe one of the tests overwrote the ssh > > > key? > > > > > > [04/24/16 06:48:02] [SSH] Opening SSH connection to slave29.cloud.gluster.org:22. > > > ERROR: Failed to authenticate as jenkins. Wrong password. (credentialId:c31bff89-36c0-4f41-aed8-7c87ba53621e/method:password) > > > [04/24/16 06:48:04] [SSH] Authentication failed. > > > hudson.AbortException: Authentication failed. > > > at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1217) > > > at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:711) > > > at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:706) > > > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > > > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > > > at java.lang.Thread.run(Thread.java:745) > > > [04/24/16 06:48:04] Launch failed - cleaning up connection > > > [04/24/16 06:48:05] [SSH] Connection closed. > > > > > > Leaving slave29 as is, maybe one of our admins can have a look and see > > > if it needs reprovisioning. > > > > Seems slave29 was reinstalled and/or slightly damaged, it was no longer > > in salt configuration, but I could connect as root. > > > > It should work better now, but please tell me if anything is incorrect > > with it. > > Hmm, not really. Launching the Jenkins slave agent in it through the > webui still fails the same: > > https://build.gluster.org/computer/slave29.cloud.gluster.org/log > > Maybe the "jenkins" user on the slave has the wrong password? So, it seems first that he had the wrong host key, so I changed that. I am looking at what is wrong, so do not put it offline :) -- Michael Scherer Sysadmin, Community Infrastructure and Platform, OSAS
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