koha-plack --stop doesn't ensure that Plack was really stopped before
returning
So in case that koha-plack --stop was quickly follows by koha-plack
--start (e.g. logrotate), it could leave Plack in stop state. This is
due to koha-plack --start think that Plack was already started, while it
actually is being stopped.
For me I think this is the cause why I got random Plack stop when
logrotate is run.
It should be similar to the case of Zebra in Bug #16885, and the
solution might be the same: adding "--retry=TERM/30/KILL/5;" to
start-stop-daemon command.
TEST PLAN
---------
1) Login to staff client and do something that will hold connection for
a long time, e.g. a batch import or a slow report.
2) sudo koha-plack --stop mykoha
3) ps aux | grep plack <-- a Plack process will still running work in
1)
4) wait for 1) to finish and all Plack processes exit
5) sudo koha-plack --start mykoha
6) apply the patch
7) repeat step 1)-2)
8) ps aux | grep plack <-- There should be no Plack process running
now
9) Note that work in step 1) might get terminated midway. Since we force
Plack to stop after some wait.
Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Mason James <mtj@kohaaloha.com>
This patch adds two functions to koha-functions.sh to read the MEMCACHED_*
variables from configured instances' apache files (the only source for that
info for now).
It then tweaks koha-plack's start_plack() function so it exports the variables
to env before launching starman.
The patch seems trivial, but it highlights a bigger problem with our Plack integration
as the starman server seems to hang if those environment variables are defined!
Sponsored-by: ByWater Solutions
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>
This patch adds a function to the koha-plack script so it checks for log file
existence and its permissions. This function is called from the start_plack function.
If some of this conditions are not fulfilled, it solves the situation by either
touching and/or changing the permissions accordingly for the instances' plack log files.
To test:
- Run (on kohadevbox):
$ cd kohaclone
$ debian/scripts/koha-plack --start kohadev
$ debian/scripts/koha-plack --stop kohadev
$ ls /var/log/koha/kohadev/plack*
- Verify ownership of the created files (they might belong to the root user)
- Apply the patch
- Run:
$ chown root:root /var/log/koha/kohadev/plack*
$ debian/scripts/koha-plack --start kohadev
$ ls /var/log/koha/kohadev/plack*
=> SUCCESS: Files belong to kohadev-koha:kohadev-koha
- Run:
$ debian/scripts/koha-plack --stop kohadev
$ rm /var/log/koha/kohadev/plack*
$ debian/scripts/koha-plack --start kohadev
$ ls /var/log/koha/kohadev/plack*
=> SUCCESS: Files are created and belong to kohadev-koha:kohadev-koha
- Sign off :-D
Signed-off-by: Mirko Tietgen <mirko@abunchofthings.net>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 007d2feee6)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>
This patch introduces a koha-plack script that controls running Plack
processes for each instance. They are run using 'starman', listening
on a Unix Domain Socket (UDS):
/var/run/koha/<instancename>/plack.sock
The plack configuration file[1] is expected to be on:
/etc/koha/plack.psgi
and is installed by the package.
It also adds the following helper functions to koha-functions.sh:
- is_plack_enabled
- is_plack_running
Done:
- koha-plack script
- suitable psgi file
To test this patches you will need to install
- starman
- libplack-middleware-reverseproxy-perl
[1] Yeah, a single file. Because we will be relying on multiple mount
points for each "app" (i.e. 'opac' and 'intranet', and 'api' ;-) )
Signed-off-by: Josef Moravec <josef.moravec@gmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@unc.edu.ar>
pongtawat
Tomas Cohen Arazi
Tomas Cohen Arazi