Quoting Ivan Ogai ([email protected]): > Hello lxc user list, > > first of all thanks for lxc, which is amazing. > > When installing Jenkins from its official apt-repositoty in Ubuntu > 14.04, a user 'jenkins' and an init script are created. > > We have followed Stéphane Graber's blog for the user jenkins to be able > to create unprivilaged containers, which works fine. > > However, when restarting Jenkins (e.g. from the web interface), the > Jenkins' jobs are no longer able to create containers: > > + lxc-create -t download -n grical -- -d ubuntu -r trusty -a amd64 > lxc-create: utils.c: mkdir_p: 202 Permission denied - failed to create > directory '/run/user/0/lxc/'
This isn't a cgroup issue. It's a XDG_RUNTIME_DIR issue. (Or really a pam stack not being run issue) You have it still set to root's runtime dir, which obviously you cannot and should not be able to use. > failed to create lock > System error loading container > > Rebooting the whole server solves it, but we would like to understand > how to avoid a reboot after a restart of Jenkins. > > I guess the problem is how the official init script of Jenkins starts > itself. In /etc/init.d/jenkins: > > SU=/bin/su > ... > # --user in daemon doesn't prepare environment variables like HOME, USER, > LOGNAME or USERNAME, > # so we let su do so for us now > $SU -l $JENKINS_USER --shell=/bin/bash -c "$DAEMON $DAEMON_ARGS -- $JAVA > $JAVA_ARGS -jar $JENKINS_WAR $JENKINS_ARGS" || return 2 > > How would you recommend to solve the issue? > > Internet is full of people having similar problems, and some tell you > how to use some obscure and mysterious cgm commands to solve them. All > complain however that there is no introductory place to understand what > these cgm commands really do. > Is there any FAQ or other resource to easily understand the > basics of cgroups with lxc and related implications when using > subshells, su, and init scripts? > > Kind regards, > -- > Ivan F. Villanueva > https://timefyme.com > -- > Vorgründungsgesellschaft GridMind > Ivan Fernando Villanueva Barrio EU > -- > Malmöer Str. 6 > 10439 Berlin > Germany > -- > Tel: +49 30 398 20 596 > Fax: +49 30 340 60 473 > _______________________________________________ > lxc-users mailing list > [email protected] > http://lists.linuxcontainers.org/listinfo/lxc-users _______________________________________________ lxc-users mailing list [email protected] http://lists.linuxcontainers.org/listinfo/lxc-users
