June 2014 - erlang - Fedora Mailing-Lists

[Bug 1074288] New: erlang-rpm-macros installs macros files to /etc/rpm

by Red Hat Bugzilla

https://bugzilla.redhat.com/show_bug.cgi?id=1074288 Bug ID: 1074288 Summary: erlang-rpm-macros installs macros files to /etc/rpm Product: Fedora Version: rawhide Component: erlang-rpm-macros Assignee: lemenkov(a)gmail.com Reporter: ville.skytta(a)iki.fi QA Contact: extras-qa(a)fedoraproject.org CC: erlang(a)lists.fedoraproject.org, lemenkov(a)gmail.com Blocks: 1074261 The proper location for rpm macros files in rpm >= 4.11 is %{_rpmconfigdir}/macros.d, please move them there from /etc/rpm. If this package's specfile targets Fedora and EL >= 7 only, the location for macro files can be simply changed from /etc/rpm to %{_rpmconfigdir}/macros.d. If it is intended to work on EL 5 and/or 6 as well, you can define a macros dir for example as follows (all on one line) and install the macros to %{macrosdir}: %global macrosdir %(d=%{_rpmconfigdir}/macros.d; [ -d $d ] || d=%{_sysconfdir}/rpm; echo $d) Referenced Bugs: https://bugzilla.redhat.com/show_bug.cgi?id=1074261 [Bug 1074261] macro files install dir tracker bug -- You are receiving this mail because: You are on the CC list for the bug.

9 years, 11 months

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[Bug 1085418] reboot of box and rabbitmq-server restart is removing /var/run/rabbitmq directory

by Red Hat Bugzilla

https://bugzilla.redhat.com/show_bug.cgi?id=1085418 John Eckersberg <jeckersb(a)redhat.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #884288|review?(jeckersb(a)redhat.com |review+ Flags|) | -- You are receiving this mail because: You are on the CC list for the bug.

9 years, 11 months

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[Bug 1085418] reboot of box and rabbitmq-server restart is removing /var/run/rabbitmq directory

by Red Hat Bugzilla

https://bugzilla.redhat.com/show_bug.cgi?id=1085418 John Eckersberg <jeckersb(a)redhat.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|MODIFIED |CLOSED Resolution|--- |CURRENTRELEASE Last Closed| |2014-06-16 09:23:36 -- You are receiving this mail because: You are on the CC list for the bug.

9 years, 11 months

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[Bug 1059913] New: Race condition creating .erlang.cookie

by Red Hat Bugzilla

https://bugzilla.redhat.com/show_bug.cgi?id=1059913 Bug ID: 1059913 Summary: Race condition creating .erlang.cookie Product: Fedora Version: 20 Component: rabbitmq-server Assignee: hubert.plociniczak(a)gmail.com Reporter: jeckersb(a)redhat.com QA Contact: extras-qa(a)fedoraproject.org CC: erlang(a)lists.fedoraproject.org, hubert.plociniczak(a)gmail.com, lemenkov(a)gmail.com, skottler(a)redhat.com Description of problem: There is a race condition when starting rabbitmq-server for the first time. When the erlang runtime starts, it tries to read its cookie file (for rabbitmq, /var/lib/rabbitmq/.erlang.cookie) and if it doesn't already exist, it generates a new random cookie and creates the file. The following two lines from the rabbitmq-service.service unit file are involved: ExecStart=/usr/lib/rabbitmq/bin/rabbitmq-server ExecStartPost=/usr/lib/rabbitmq/bin/rabbitmqctl wait /var/run/rabbitmq/pid The rabbitmq-server command returns before the service is up. Therefor it is required to exec the additional rabbitmqctl wait in order to make sure the service starts all the way. However both of these are erlang programs, and they share the cookie startup code described previously. There is variance on the order of events and the eventual error. But generally what happens is: - ExecStart (rabbitmq-server) is run and exits. The erlang runtime is now booting in the background. - ExecStartPost (rabbitmqctl) is run. - rabbitmq-server determines the cookie file is not present, and generates a new cookie. - rabbitmqctl determines the cookie file is not present, and generates a new cookie. - rabbitmq-server writes the new cookie to disk and sets the file to read-only - rabbitmqctl tries to open the cookie file read/write in order to write its cookie, but errors with EACCESS because the file already exists and is read only. - The erlang runtime for rabbitmqctl crashes and the command returns with a non-successful exit code. - The entire service unit is marked as failed, and all of the processes are killed by systemd. Version-Release number of selected component (if applicable): rabbitmq-server-3.1.5-1.fc20.noarch erlang-R16B-03.1.fc20.x86_64 How reproducible: There is some variability since it's a race. I've provided my reproducer below that works 100% of the time for me, inside a F20 VM. In theory this behavior should still exist if starting the service from the cli instead of rebooting, but I can't reproduce it that way. Steps to Reproduce: 1. install rabbitmq-server 2. systemctl enable rabbitmq-server.service 3. reboot Actual results: Service fails to start, see attachment of journalctl output for error Expected results: Service starts cleanly Additional info: This is really an erlang bug, but the workaround for rabbit is simple (I'll post a patch in a followup). I'll run down the erlang bit separately but it will take longer, so it makes sense to apply the workaround here until erlang is fixed. -- You are receiving this mail because: You are on the CC list for the bug.

10 years

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erlang June 2014