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422 discussions

ppc64le support in ci.centos.org is Released
by Brian Stinson 20 Aug '17

20 Aug '17

Hi Folks, We've been working over the last few weeks on our node provisioner, duffy, so that jobs in CICO can request nodes for architectures besides x86_64. We have deployed that code into production and have some ppc64le VMs ready to take work. To see the flavors available including memory/vcpu/disk sizing, and to view sample duffy calls please visit: https://wiki.centos.org/QaWiki/CI/Multiarch Potential Questions: -------------------- - What about aarch64? Support for aarch64 is coming as soon as we finish installing the hardware for this (probably soon after the CentOS Linux 7.1708 release). We'll use the same pattern as ppc64le for the aarch64 VMs. - Can I request nodes using cicoclient? There is a pull request pending, a release announcement will follow when this is merged. https://github.com/CentOS/python-cicoclient/pull/14 The relevant documentation for making calls using cioclient is on the wiki page. Multiarch Next Steps: --------------------- We plan on using these machines to begin exploring multiarch additions to openshift and openstack in ci.centos.org Happy Friday! -- Brian Stinson CentOS CI Infrastructure Team

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CR and CiCo
by Karanbir Singh 08 Aug '17

08 Aug '17

hi, with the next release coming up - the CR repos are going to get populated ahead of the distro release itself - typically, this can be a week or so ahead. What this means to cico tenants is that their machines, when yum updated, will reflect the content in the next release. Any user, on or off cico, with the cr-repo enabled, will be in the same situation. However, cbs.centos.org will NOT have the CR/ content added in till AFTER the release is done for media. With a week to 10 day gap between the two events, if you tenant needs to manage this issue, please do. However, if you do find issues in the builds and tests, please let us know - a good goal is to have all SIG content validated ahead of the next-release, or to handle any problems that the users might see, ahead of time. please feel free to reach out on irc, lists, emails, phones etc i regards -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh GnuPG Key : http://www.karan.org/publickey.asc

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Real SSL Certificates installed on apps.ci.centos.org
by Brian Stinson 01 Aug '17

01 Aug '17

Hi Folks, We recently got a trusted certificate for apps.ci.centos.org I just finished up installing this for all the existing routes, and enabled it as the cert for the console. This did require us to move the publicURL for the console to https://console.apps.ci.centos.org:8443, redirects should automatically get you to the right place if you're using the old ones. If there are any questions, let me know. Cheers! -- Brian Stinson

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Jenkins Full Restart ASAP
by Brian Stinson 31 Jul '17

31 Jul '17

Hi Folks, We will be entering a quiet period and issuing a full restart to do plugin updates and performance tuning on the Jenkins master. This is needed to handle a recent stability issue. Thanks for your patience while we handle this maintenance. Cheers! --Brian

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Emergency Saferestart Immediately
by Brian Stinson 27 Jul '17

27 Jul '17

Hi Folks, We need to do a saferestart as soon as possible to update some credentials on the Jenkins master. I'll also be applying some plugin updates that contain a few security fixes. Thanks for your patience. --Brian

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AltArch support in CI (status update)
by Fabian Arrotin 26 Jul '17

26 Jul '17

Hi, Just starting a thread on the list so that various projects having a need to test their builds on AltArch (aarch64/ppc64/ppc64le) within CI are aware of the following : Thanks to Brian, who coordinated with several folks, we'll be able soon to provide access to aarch64/ppc64/ppc64le nodes within ci.centos.org. So far we have configured/deployed/tested ppc64/ppc64le in the environment, so that we can automate the whole thing happening behind the scene (basically ansible being called for this, the same way it's actually done for x86_64). The last thing to do is now to make Duffy (https://wiki.centos.org/QaWiki/CI/Duffy) aware of those "other arches" nodes to be able to - hand over those nodes on specific request - reinstall those automatically by calling correct playbooks Worth noting that due to the amount of physical nodes for those AltArches, we'll not be able to provide you access to bare metal nodes, but rather to VMs running on those (at least for ppc64/ppc64le). That shouldn't be a problem as we'll be able to distribute resources so that you'll have multiple vcpus per VM, and for Power8, our hypervisors are installed with CentOS 7 ppc64le, that uses the kvm_hv module. That then means that it's possible to use nested virt (if needed) as it will then use the kvm_pr for this, slower, but works (http://wiki.qemu.org/Documentation/Platforms/POWER) If you have remark/comments, feel free ! -- Fabian Arrotin The CentOS Project | http://www.centos.org gpg key: 56BEC54E | twitter: @arrfab

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Re: [Ci-users] Jenkinsfiles and pipeline libraries in Centos CI
by Václav Pavlín 22 Jul '17

22 Jul '17

Hi Brian, Ari, Thanks for the link and offer for help. Ari, can you setup some meeting for when you are back, please? Or let me know where to join if any of you think it would be better to do it in some Centos CI meeting. I'll explore the Jenkinsfile on Monday. Cheers, Vašek On 21 Jul 2017 23:37, "Ari LiVigni" <alivigni(a)redhat.com> wrote: On Fri, Jul 21, 2017 at 5:24 PM, Brian Stinson <brian(a)bstinson.com> wrote: > On Jul 20 11:51, Václav Pavlín wrote: > > Hi all, > > > > We would like to start using Jenkinsfiles for some builds (building > docker > > images) so I wanted to ask if there are any CentOS CI specific libraries > or > > example Jenkinsfiles you could share. > > > > The reason is that in Jenkinsfile, guys currently have, they do docker > > build directly on the slave, which is not gonna work in CentOS CI where > the > > cico node get magic is a way to go. > > > > I was thinking about putting together some library that would make it > > easier to build docker images in CentOS CI with Jenkinsfile, but first > > wanted to check if something like this already exists. > > > > Have a nice day, > > Vašek > > > > -- > > Red Hat Developer Tools team > > Brno, Czech Republic > > Phone: +420 739 666 824 > > > _______________________________________________ > > Ci-users mailing list > > Ci-users(a)centos.org > > https://lists.centos.org/mailman/listinfo/ci-users > > > I don't know off the top of my head of many folks doing Jenkinsfiles in > ci.centos.org yet, but the fedora-atomic CI pipeline guys have a few > things: > > https://github.com/CentOS-PaaS-SIG/ci-pipeline/blob/master/Jenkinsfile > > I'm happy to help you put something together that we can put in a > central location (so others can use as well). > > When I am back from PTO I should be able to help as well. We are actually taking the Jenkinsfile and going to split the stages up into shared libraries going forward but we wanted to get something working. > -- > Brian > _______________________________________________ > Ci-users mailing list > Ci-users(a)centos.org > https://lists.centos.org/mailman/listinfo/ci-users > -- -== @ri ==-

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Jenkinsfiles and pipeline libraries in Centos CI
by Václav Pavlín 21 Jul '17

21 Jul '17

Hi all, We would like to start using Jenkinsfiles for some builds (building docker images) so I wanted to ask if there are any CentOS CI specific libraries or example Jenkinsfiles you could share. The reason is that in Jenkinsfile, guys currently have, they do docker build directly on the slave, which is not gonna work in CentOS CI where the cico node get magic is a way to go. I was thinking about putting together some library that would make it easier to build docker images in CentOS CI with Jenkinsfile, but first wanted to check if something like this already exists. Have a nice day, Vašek -- Red Hat Developer Tools team Brno, Czech Republic Phone: +420 739 666 824

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data hub in centos ci
by Anton Sherkhonov 13 Jul '17

13 Jul '17

Hi, I'm with Systems Design & Engineering group and I'm working on the Data Hub in CentOS CI OpenShift. Major part of Data Hub infrastructure is Elasticsearch 5. Elasticsearch 5 is not officially supported in OpenShift 3.5 deployed in CentOS CI, we're working on getting proper Elasticsearch 5 support into OpenShift 3.7 and most likely we'll need at least OpenShift 3.6 features to properly support Elasticsearch 5. The reason for the requirement of OpenShift 3.6 is because we're moving to the new oauth-proxy to secure the routes for Kibana/Cerebro web ui, which requires OpenShift 3.6. It would be great to have CentOS CI OpenShift environment upgraded to 3.6 soon after 3.6 is out. Thanks, Anton.

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Unplanned outage incident 06h37 - 08h12 UTC
by Brian Stinson 13 Jul '17

13 Jul '17

Issue Summary ============= A misconfigured ulimit on jenkins.ci.centos.org caused Jenkins to fail with too many open files. This also caused the root volume to fill up because of noisy messages in the logs. Access to the Jenkins HTTP interface was affected during this period. Root Cause ========== During the reconfigure and move to a new host, the 'nofile'ulimits to jenkins were reset to the default (4096). Jenkins reached this limit before the next scheduled garbage collection. Recovery ======== At 08h12 we cleared out the jenkins log to free up disk space and set the ulimits for the jenkins user to the appropriate value, and jenkins was restarted. Corrective Measures =================== The ulimit change was reflected in our ansible scripts and deployed. Impact ====== Jobs running during the window should have completed, but may not have reported back status to Jenkins. SCM/Github jobs that would have been triggered during that period were picked up when the Jenkins service came live again. Jobs with triggers through other means (messaging, HTTP POST, etc.) may not have been launched. We appreciate your patience during this outage, and apologize for any inconvenience. -- Brian Stinson CentOS CI Infrastructure Team

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