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New helpers ynh_add_systemd_config and ynh_remove_systemd_config (#287)

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* New helpers ynh_add_systemd_config and ynh_remove_systemd_config
Standard file for systemd service.
* ynh_subsistute_char was renamed ynh_replace_string
* Upgrade helpers
* Add some description of which keywords are replaced by which variable
This commit is contained in:
Maniack Crudelis 2017-07-28 19:21:22 +02:00 • committed by Alexandre Aubin
parent 80242a8edc
commit a006868cbe
1 changed files with 40 additions and 2 deletions
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42
data/helpers.d/backend
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@ -62,13 +62,51 @@ ynh_remove_logrotate () {
fi
}
# Create a dedicated nginx config
# Create a dedicated systemd config
#
# This will use a template in ../conf/nginx.conf
# This will use a template in ../conf/systemd.service
# and will replace the following keywords with
# global variables that should be defined before calling
# this helper :
#
# __APP__ by $app
# __FINALPATH__ by $final_path
#
# usage: ynh_add_systemd_config
ynh_add_systemd_config () {
finalsystemdconf="/etc/systemd/system/$app.service"
ynh_backup_if_checksum_is_different "$finalsystemdconf"
sudo cp ../conf/systemd.service "$finalsystemdconf"
# To avoid a break by set -u, use a void substitution ${var:-}. If the variable is not set, it's simply set with an empty variable.
# Substitute in a nginx config file only if the variable is not empty
if test -n "${final_path:-}"; then
ynh_replace_string "__FINALPATH__" "$final_path" "$finalsystemdconf"
fi
if test -n "${app:-}"; then
ynh_replace_string "__APP__" "$app" "$finalsystemdconf"
fi
ynh_store_file_checksum "$finalsystemdconf"
sudo chown root: "$finalsystemdconf"
sudo systemctl enable $app
sudo systemctl daemon-reload
}
# Remove the dedicated systemd config
#
# usage: ynh_remove_systemd_config
ynh_remove_systemd_config () {
finalsystemdconf="/etc/systemd/system/$app.service"
if [ -e "$finalsystemdconf" ]; then
sudo systemctl stop $app
sudo systemctl disable $app
ynh_secure_remove "$finalsystemdconf"
fi
# Create a dedicated nginx config
#
# This will use a template in ../conf/nginx.conf
# __PATH__ by $path_url
# __DOMAIN__ by $domain
# __PORT__ by $port