Re: ubuntu serve - cyrus fails to start

[Nic Bernstein <nic@xxxxxxxxxxx>]

On 04/28/2015 08:31 PM, lowpass wrote:

I had done an upgrade of some packages. I listed those at the end of my first message. I don't think any of them had anything to do with cyrus, though. But i'd rebooted the server afterwards; i think that's why the problem with cyrus began to appear.

Something, at some point, set cyrus-imapd-2.4 and cyrus-common-2.4 to 'deinstall', and a subsequent 'apt' command, even an upgrade, would then cause the deinstallation to take hold.  The actual setting of the dpkg database to 'deinstall' may have happened some time ago.

The reboot would just be icing on the cake, as most pre-or-post-removal scripts will stop the service (although that often doesn't work well).

# zgrep cyrus-imapd /var/log/apt/

I had already tried that. Nothing at all.

Just to be clear, that command, as you typed it above, will not work.  You need to run 'zgrep cyrus-imapd /var/log/apt/*'.  Without the glob at the end (*) you're just zgrepping the DIRENT.  And, for the record, zgrep will error with the <recursive> flag, "-R."

# sh -x /etc/init.d/cyrus-imapd start
+ LC_ALL=C
+ export LC_ALL
+ PATH=/sbin:/usr/sbin:/bin:/usr/bin
+ PATH=/sbin:/usr/sbin:/bin:/usr/bin
+ NAME=cyrmaster
+ DAEMON=/usr/sbin/cyrmaster
+ PIDFILE=/var/run/cyrmaster.pid
+ DESC=Cyrus IMAPd
+ test -x /usr/sbin/cyrmaster
+ exit 0

Good idea about shell debugging, thanks. In any case, it's failing because cyrmaster no longer exists. :-(

Bron: no, nothing in syslog. I'd checked that first thing.

I'm mystified as to what has happened. I think i'll try to (re)install those packages and see what comes of it. But, realistically, it looks like i should rebuild the server.

You should be fine just doing an "# apt-get install cyrus-imapd-2.4 cyrus-common-2.4" since the config files are still in place.  This package re-installation shouldn't touch any existing data.

Cheers,
    -nic

On Tue, Apr 28, 2015 at 8:49 PM, Nic Bernstein <nic@xxxxxxxxxxx> wrote:

You told us that you had run some apt commands prior to this problem, but you haven't told us what they were.  If you tried to install something which "replaces" cyrus-imapd, you may have forced its removal.

What does "zgrep cyrus-imapd /var/og/apt/*" show?
    -nic

On 04/28/2015 07:38 PM, lowpass wrote:

Gadzooks! It appears that the server is actually missing some things.

# ls -l /usr/sbin/cyr*
-rwxr-xr-x 1 root root 2046 Mar  3  2014 /usr/sbin/cyrus

# ls -l /usr/lib/cyrus/bin/
total 24
drwxr-xr-x 2 root root 4096 Apr 27 18:29 ./
drwxr-xr-x 3 root root 4096 Apr 27 18:29 ../
-rwxr-xr-x 1 root root 2945 Mar  3  2014 init-helper*
-rwxr-xr-x 1 root root 4018 Mar  3  2014 makedirs*
-rwxr-xr-x 1 root root 4965 Mar  3  2014 upgrade-db*

# dpkg --get-selections | grep cyr
cyrus-admin-2.4                    install
cyrus-clients-2.4                install
cyrus-common                    install
cyrus-common-2.4                deinstall
cyrus-imapd-2.4                    deinstall
libcyrus-imap-perl24            install

hmmm ...

# dpkg-query -s cyrus-common-2.4
Package: cyrus-common-2.4
Status: deinstall ok config-files
...
# dpkg-query -s cyrus-imapd-2.4
Package: cyrus-imapd-2.4
Status: deinstall ok config-files

This is saying that the packages have been selected for removal. But, a) I certainly have not done so; and b) they already seem to be gone. And i see nothing at all about them in appt's history logs.

Deep breaths.

On Tue, Apr 28, 2015 at 7:49 PM, lowpass <zijn.digital@xxxxxxxxx> wrote:

Thanks for the quick response, Bron. The symlink is ok.

# ls -l /var/run
lrwxrwxrwx 1 root root 4 Oct 18  2014 /var/run -> /run/

I tried creating the dir myself as you suggested:

# mkdir /run/cyrus
# chown cyrus /run/cyrus/
# service cyrus-imapd start

[nothing]

I tried removing the --quiet flag from the startup script with same (non) results.

What about the pid? As i understand, it's not cyrus that creates that on startrup. In any case, it's NOT being created. From /etc/init.d/cyrus-imapd:

NAME=cyrmaster
PIDFILE="/var/run/${NAME}.pid"

I've posted a message on the Ubuntu forum as well, as i've a feeling the problem is not with cyrus. I was hoping, though, that another cyrus user might have run into this.

On Tue, Apr 28, 2015 at 6:55 PM, Bron Gondwana <brong@xxxxxxxxxxx> wrote:

 

On Wed, Apr 29, 2015, at 08:46 AM, lowpass wrote:

I do have socket and lock dirs under /var/lib/cyrus but they were last modified several years ago and seem to be left over from some other config. Other dirs there have seen more recent activity. Everything seems to be pointing towards the socket & lock dirs being created under /run but there's nothing there.

 

/run is a tmpfs which gets created fresh on each reboot.

 

Cyrus starts as user 'cyrus' and has no permission to create the directories it needs.

 

Your init script should create the directories - but if you moved them somewhere other than where the package expects them to be, then it won't create intermediate directories for you.

 

So, here's the thing:

 

1) double check that /var/run and /run are the same place - they're mostly a symlink in recent Debian/Ubuntu systems.  If not, I suggest that you audit your configuration to be all in /var/run or all in /run (probably a good idea anyway for more consistency.

 

2) run these commands as root:

 

mkdir /run/cyrus

chown cyrus /run/cyrus

 

3) either put those commands in a startup script that runs before Cyrus starts, or edit the init script for Cyrus - though note that if you edit the init script, you'll have to re-apply those edits on upgrade.

 

Unfortunately, this isn't something we can fix in the Cyrus binaries.  They try to create the directories, but they just plain don't have permissions to do so at that stage of the process.

 

Regards,

 

Bron.

 

--

Bron Gondwana

brong@xxxxxxxxxxx

 

 

----
Cyrus Home Page: http://www.cyrusimap.org/
List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
To Unsubscribe:
https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus

----
Cyrus Home Page: http://www.cyrusimap.org/
List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
To Unsubscribe:
https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus

-- 
Nic Bernstein                             nic@xxxxxxxxxxx
Onlight llc.                              www.onlight.com
219 N. Milwaukee St., Ste. 2A	          v. 414.272.4477
Milwaukee, Wisconsin  53202		  f. 414.290.0335

----
Cyrus Home Page: http://www.cyrusimap.org/
List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
To Unsubscribe:
https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus

-- 
Nic Bernstein                             nic@xxxxxxxxxxx
Onlight llc.                              www.onlight.com
219 N. Milwaukee St., Ste. 2A	          v. 414.272.4477
Milwaukee, Wisconsin  53202		  f. 414.290.0335

----
Cyrus Home Page: http://www.cyrusimap.org/
List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
To Unsubscribe:
https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus