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libreerp_ynh/scripts/_future.sh
2019-02-18 10:41:00 +01:00

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ynh_check_var () {
test -n "$1" || ynh_die "$2"
}
ynh_export () {
local ynh_arg=""
for var in $@;
do
ynh_arg=$(echo $var | awk '{print toupper($0)}')
ynh_arg="YNH_APP_ARG_$ynh_arg"
export $var=${!ynh_arg}
done
}
# Save listed var in YunoHost app settings
# usage: ynh_save_args VARNAME1 [VARNAME2 [...]]
ynh_save_args () {
for var in $@;
do
ynh_app_setting_set $app $var ${!var}
done
}
ynh_sso_access () {
ynh_app_setting_set $app unprotected_uris "/"
if [[ $is_public -eq 0 ]]; then
ynh_app_setting_set $app protected_uris "$1"
fi
sudo yunohost app ssowatconf
}
ynh_configure () {
local TEMPLATE=$1
local DEST=$2
mkdir -p "$(dirname $DEST)"
if [ -f '../manifest.json' ] ; then
ynh_render_template "${YNH_CWD}/../conf/$TEMPLATE.j2" "$DEST"
else
ynh_render_template "${YNH_CWD}/../settings/conf/$TEMPLATE.j2" "$DEST"
fi
}
ynh_configure_nginx () {
ynh_configure nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf
sudo service nginx reload
}
# Upgrade
ynh_read_json () {
python3 -c "import sys, json;print(json.load(open('$1'))['$2'])"
}
ynh_read_manifest () {
if [ -f '../manifest.json' ] ; then
ynh_read_json '../manifest.json' "$1"
else
ynh_read_json '../settings/manifest.json' "$1"
fi
}
is_stretch () {
if [ "$(ynh_get_debian_release)" == "stretch" ]
then
return 0
else
return 1
fi
}
is_jessie () {
if [ "$(ynh_get_debian_release)" == "jessie" ]
then
return 0
else
return 1
fi
}
# Argument $1 is the size of the swap in MiB
ynh_add_swap () {
# Declare an array to define the options of this helper.
declare -Ar args_array=( [s]=size= )
local size
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
local swap_max_size=$(( $size * 1024 ))
local free_space=$(df --output=avail / | sed 1d)
# Because we don't want to fill the disk with a swap file, divide by 2 the available space.
local usable_space=$(( $free_space / 2 ))
# Compare the available space with the size of the swap.
# And set a acceptable size from the request
if [ $usable_space -ge $swap_max_size ]
then
local swap_size=$swap_max_size
elif [ $usable_space -ge $(( $swap_max_size / 2 )) ]
then
local swap_size=$(( $swap_max_size / 2 ))
elif [ $usable_space -ge $(( $swap_max_size / 3 )) ]
then
local swap_size=$(( $swap_max_size / 3 ))
elif [ $usable_space -ge $(( $swap_max_size / 4 )) ]
then
local swap_size=$(( $swap_max_size / 4 ))
else
echo "Not enough space left for a swap file" >&2
local swap_size=0
fi
# If there's enough space for a swap, and no existing swap here
if [ $swap_size -ne 0 ] && [ ! -e /swap ]
then
# Preallocate space for the swap file
fallocate -l ${swap_size}K /swap
chmod 0600 /swap
# Create the swap
mkswap /swap
# And activate it
swapon /swap
# Then add an entry in fstab to load this swap at each boot.
echo -e "/swap swap swap defaults 0 0 #Swap added by $app" >> /etc/fstab
fi
}
ynh_del_swap () {
# If there a swap at this place
if [ -e /swap ]
then
# Clean the fstab
sed -i "/#Swap added by $app/d" /etc/fstab
# Desactive the swap file
swapoff /swap
# And remove it
rm /swap
fi
}
# Checks the app version to upgrade with the existing app version and returns:
# - UPGRADE_APP if the upstream app version has changed
# - UPGRADE_PACKAGE if only the YunoHost package has changed
#
## It stops the current script without error if the package is up-to-date
#
# This helper should be used to avoid an upgrade of an app, or the upstream part
# of it, when it's not needed
#
# To force an upgrade, even if the package is up to date,
# you have to set the variable YNH_FORCE_UPGRADE before.
# example: sudo YNH_FORCE_UPGRADE=1 yunohost app upgrade MyApp
# usage: ynh_check_app_version_changed
ynh_check_app_version_changed () {
local force_upgrade=${YNH_FORCE_UPGRADE:-0}
local package_check=${PACKAGE_CHECK_EXEC:-0}
# By default, upstream app version has changed
local return_value="UPGRADE_APP"
local current_version=$(ynh_read_json "/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" "version" || echo 1.0)
local current_upstream_version="${current_version/~ynh*/}"
local update_version=$(ynh_read_manifest "version" || echo 1.0)
local update_upstream_version="${update_version/~ynh*/}"
if [ "$current_version" == "$update_version" ] ; then
# Complete versions are the same
if [ "$force_upgrade" != "0" ]
then
echo "Upgrade forced by YNH_FORCE_UPGRADE." >&2
unset YNH_FORCE_UPGRADE
elif [ "$package_check" != "0" ]
then
echo "Upgrade forced for package check." >&2
else
ynh_die "Up-to-date, nothing to do" 0
fi
elif [ "$current_upstream_version" == "$update_upstream_version" ] ; then
# Upstream versions are the same, only YunoHost package versions differ
return_value="UPGRADE_PACKAGE"
fi
echo $return_value
}