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add concurrency to make kiwix lib

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This commit is contained in:
tim-moody 2018-07-20 22:33:54 -04:00
parent 90abbdffa6
commit 051f5387dc
2 changed files with 22 additions and 5 deletions
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25
roles/kiwix/templates/iiab-make-kiwix-lib
View file

@ -1,8 +1,25 @@
#!/bin/bash
{{ systemctl_program }} stop kiwix-serve
/usr/bin/iiab-make-kiwix-lib.py
#/usr/bin/iiab-make-apache-config.py
{{ systemctl_program }} start kiwix-serve
LOCK_PATH=/run/lock/kiwix
WAITLOCK="$LOCK_PATH/make-kiwix-lib-wait.LCK";
RUNLOCK=WAITLOCK="$LOCK_PATH/make-kiwix-lib-run.LCK";
exec 200>$WAITLOCK;
exec 201>$RUNLOCK;
if flock -n -e 200; then :
echo 'Waiting to run iiab-make-kiwix-lib.py'
# wait for up to 5 min
flock -x -w 300 201
echo "Now running iiab-make-kiwix-lib.py"
# write to {{ kiwix_library_xml }}.tmp to minimize kiwix down
# zim map could be out of sync for a few seconds
/usr/bin/iiab-make-kiwix-lib.py
{{ systemctl_program }} stop kiwix-serve
rm {{ kiwix_library_xml }}
mv {{ kiwix_library_xml }}.tmp {{ kiwix_library_xml }}
{{ systemctl_program }} start kiwix-serve
else
echo "Can't get wait lock for iiab-make-kiwix-lib.py";
exit 1;
fi
exit 0

2
roles/kiwix/templates/iiab-make-kiwix-lib.py
View file

@ -30,7 +30,7 @@ iiab_config_file = "{{ iiab_config_file }}"
# Variables that should be read from config file
# All of these variables will be read from config files and recomputed in init()
iiab_zim_path = "{{ iiab_zim_path }}"
kiwix_library_xml = "{{ kiwix_library_xml }}"
kiwix_library_xml = "{{ kiwix_library_xml }}.tmp"
iiab_base_path = "{{ iiab_base }}"
kiwix_manage = iiab_base_path + "/kiwix/bin/kiwix-manage"