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limesurvey_ynh/scripts/_common.sh
2017-02-05 23:38:38 +01:00

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#!/bin/bash
# App package root directory should be the parent folder
PKG_DIR=$(cd ../; pwd)
ynh_check_var () {
test -n "$1" || ynh_die "$2"
}
ynh_exit_properly () {
exit_code=$?
if [ "$exit_code" -eq 0 ]; then
exit 0
fi
trap '' EXIT
set +eu
echo -e "\e[91m \e[1m"
echo -e "!!\n $app install's script has encountered an error. Installation was cancelled.\n!!" >&2
if type -t CLEAN_SETUP > /dev/null; then
CLEAN_SETUP
fi
ynh_die
}
# Activate signal capture
# Exit if a command fail, and if a variable is used unset.
# Capturing exit signals on shell script
#
# example: CLEAN_SETUP () {
# # Clean residual file un remove by remove script
# }
# ynh_trap_on
ynh_trap_on () {
set -eu
trap ynh_exit_properly EXIT # Capturing exit signals on shell script
}
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
}
# Check availability of a web path
#
# example: ynh_path_validity $domain$path
#
# usage: ynh_path_validity $domain_and_path
# | arg: domain_and_path - complete path to check
ynh_path_validity () {
sudo yunohost app checkurl $1 -a $app
}
# Normalize the url path syntax
# Handle the slash at the beginning of path and its absence at ending
# Return a normalized url path
#
# example: url_path=$(ynh_normalize_url_path $url_path)
# ynh_normalize_url_path example -> /example
# ynh_normalize_url_path /example -> /example
# ynh_normalize_url_path /example/ -> /example
#
# usage: ynh_normalize_url_path path_to_normalize
# | arg: url_path_to_normalize - URL path to normalize before using it
ynh_normalize_url_path () {
path=$1
test -n "$path" || ynh_die "ynh_normalize_url_path expect a URL path as first argument and received nothing."
if [ "${path:0:1}" != "/" ]; then # If the first character is not a /
path="/$path" # Add / at begin of path variable
fi
if [ "${path:${#path}-1}" == "/" ] && [ ${#path} -gt 1 ]; then # If the last character is a / and that not the only character.
path="${path:0:${#path}-1}" # Delete the last character
fi
echo $path
}
# Check the path doesn't exist
# usage: ynh_local_path_available PATH
ynh_local_path_available () {
if [ -e "$1" ]
then
ynh_die "This path '$1' already contains a folder"
fi
}
# 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 ${!var}
done
}
# Create a database, an user and its password. Then store the password in the app's config
#
# User of database will be store in db_user's variable.
# Name of database will be store in db_name's variable.
# And password in db_pwd's variable.
#
# usage: ynh_mysql_generate_db user name
# | arg: user - Proprietary of the database
# | arg: name - Name of the database
ynh_mysql_generate_db () {
export db_user=${1//[-.]/_} # Mariadb doesn't support - and . in the name of databases. It will be replace by _
export db_name=${2//[-.]/_}
export db_pwd=$(ynh_string_random) # Generate a random password
ynh_check_var "$db_pwd" "db_pwd empty"
ynh_mysql_create_db "$db_name" "$db_user" "$db_pwd" # Create the database
ynh_app_setting_set $app mysqlpwd $db_pwd # Store the password in the app's config
}
# Execute a command as another user
# usage: ynh_exec_as USER COMMAND [ARG ...]
ynh_exec_as() {
local USER=$1
shift 1
if [[ $USER = $(whoami) ]]; then
eval "$@"
else
# use sudo twice to be root and be allowed to use another user
sudo sudo -u "$USER" "$@"
fi
}
# Get sources, setup it into dest directory and deploy patches
# Try to find locally the sources and download it if missing.
# Check the integrity with an hash program (default: sha256sum)
# Source hash and location are get from a "SOURCE_ID.src" file,
# by default the SOURCE_ID is "app".
# Patches should be located in a "patches" dir, they should be
# named like "SOURCE_ID-*.patch".
#
# example: ynh_setup_source "/var/www/limesurvey/" "limesurvey"
#
# usage: ynh_setup_source DEST_DIR [USER [SOURCE_ID]]
ynh_setup_source () {
local DEST=$1
local AS_USER=${2:-admin}
local SOURCE_ID=${3:-app}
local SOURCE_FILE="$YNH_APP_ID.tar.gz"
local SUM_PRG="sha256sum"
source ../$SOURCE_ID.src
local LOCAL_SOURCE="/opt/yunohost-apps-src/$YNH_APP_ID/$SOURCE_FILE"
if test -e $LOCAL_SOURCE; then
cp $LOCAL_SOURCE $SOURCE_FILE
else
wget -nv $SOURCE_URL -O $SOURCE_FILE
fi
echo "$SOURCE_SUM $SOURCE_FILE" |$SUM_PRG -c --status \
|| ynh_die "Corrupt source"
sudo mkdir -p "$DEST"
sudo chown $AS_USER: "$DEST"
if [ "$(echo ${SOURCE_FILE##*.})" == "gz" ]; then
ynh_exec_as "$AS_USER" tar xf $SOURCE_FILE -C "$DEST" --strip-components 1
elif [ "$(echo ${SOURCE_FILE##*.})" == "bz2" ]; then
ynh_exec_as "$AS_USER" tar xjf $SOURCE_FILE -C "$DEST" --strip-components 1
elif [ "$(echo ${SOURCE_FILE##*.})" == "zip" ]; then
mkdir -p "/tmp/$SOURCE_FILE"
ynh_exec_as "$AS_USER" unzip -q $SOURCE_FILE -d "/tmp/$SOURCE_FILE"
ynh_exec_as "$AS_USER" mv "/tmp/$SOURCE_FILE"/./. "$DEST"
rmdir "$/tmp/$SOURCE_FILE"
else
false
fi
# Apply patches
if [ -f ${PKG_DIR}/patches/$SOURCE_ID-*.patch ]; then
(cd "$DEST" \
&& for p in ${PKG_DIR}/patches/$SOURCE_ID-*.patch; do \
ynh_exec_as "$AS_USER" patch -p1 < $p; done) \
|| ynh_die "Unable to apply patches"
fi
}
ynh_mv_to_home () {
local APP_PATH="/home/yunohost.app/$app/"
local DATA_PATH="$1"
sudo mkdir -p "$APP_PATH"
sudo chown $app: "$APP_PATH"
ynh_exec_as "$app" mv "$DATA_PATH" "$APP_PATH"
ynh_exec_as "$app" ln -s "$APP_PATH$DATA_PATH" "$DATA_PATH"
}
ynh_set_default_perm () {
local DIRECTORY=$1
# Set permissions
sudo chown -R $app:$app $DIRECTORY
sudo chmod -R 664 $DIRECTORY
sudo find $DIRECTORY -type d -print0 | xargs -0 sudo chmod 775 \
|| echo "No file to modify"
}
ynh_read_manifest () {
python3 -c "import sys, json;print(json.load(open('../manifest.json'))['$1'])"
}
ynh_app_dependencies (){
export dependencies=$1
export project_url=$(ynh_read_manifest 'url')
export version=$(ynh_read_manifest 'version')
mkdir -p conf
cat > ../conf/app-ynh-deps.control.j2 << EOF
Section: misc
Priority: optional
Homepage: {{ project_url }}
Standards-Version: 3.9.2
Package: {{ app }}-ynh-deps
Version: {{ version }}
Depends: {{ dependencies }}
Architecture: all
Description: meta package for {{ app }} (YunoHost app) dependencies
This meta-package is only responsible of installing its dependencies.
EOF
ynh_configure app-ynh-deps.control ./$app-ynh-deps.control
ynh_package_install_from_equivs ./$app-ynh-deps.control \
|| ynh_die "Unable to install dependencies"
}
# Create a system user
#
# usage: ynh_system_user_create user_name [home_dir]
# | arg: user_name - Name of the system user that will be create
# | arg: home_dir - Path of the home dir for the user. Usually the final path of the app. If this argument is omitted, the user will be created without home
ynh_system_user_create () {
if ! ynh_system_user_exists "$1" # Check if the user exists on the system
then # If the user doesn't exist
if [ $# -ge 2 ]; then # If a home dir is mentioned
user_home_dir="-d $2"
else
user_home_dir="--no-create-home"
fi
sudo useradd $user_home_dir --system --user-group $1 --shell /usr/sbin/nologin || ynh_die "Unable to create $1 system account"
fi
}
# Delete a system user
#
# usage: ynh_system_user_delete user_name
# | arg: user_name - Name of the system user that will be create
ynh_system_user_delete () {
if ynh_system_user_exists "$1" # Check if the user exists on the system
then
sudo userdel $1
else
echo "The user $1 was not found" >&2
fi
}
ynh_configure () {
local TEMPLATE=$1
local DEST=$2
type j2 2>/dev/null || sudo pip install j2cli
j2 "${PKG_DIR}/conf/$TEMPLATE.j2" > "${PKG_DIR}/conf/$TEMPLATE"
sudo cp "${PKG_DIR}/conf/$TEMPLATE" "$DEST"
}
ynh_configure_nginx () {
ynh_configure nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf
sudo service nginx reload
}
ynh_configure_php_fpm () {
finalphpconf=/etc/php5/fpm/pool.d/$app.conf
ynh_configure php-fpm.conf /etc/php5/fpm/pool.d/$app.conf
sudo chown root: $finalphpconf
finalphpini=/etc/php5/fpm/conf.d/20-$app.ini
sudo cp ../conf/php-fpm.ini $finalphpini
sudo chown root: $finalphpini
sudo service php5-fpm reload
}
# Find a free port and return it
#
# example: port=$(ynh_find_port 8080)
#
# usage: ynh_find_port begin_port
# | arg: begin_port - port to start to search
ynh_find_port () {
port=$1
test -n "$port" || ynh_die "The argument of ynh_find_port must be a valid port."
while netcat -z 127.0.0.1 $port # Check if the port is free
do
port=$((port+1)) # Else, pass to next port
done
echo $port
}
### REMOVE SCRIPT
# Remove a database if it exist and the associated user
#
# usage: ynh_mysql_remove_db user name
# | arg: user - Proprietary of the database
# | arg: name - Name of the database
ynh_mysql_remove_db () {
if mysqlshow -u root -p$(sudo cat $MYSQL_ROOT_PWD_FILE) | grep -q "^| $2"; then # Check if the database exist
ynh_mysql_drop_db $2 # Remove the database
ynh_mysql_drop_user $1 # Remove the associated user to database
else
echo "Database $2 not found" >&2
fi
}
ynh_rm_nginx_conf () {
if [ -e "/etc/nginx/conf.d/$domain.d/$app.conf" ]; then
sudo rm "/etc/nginx/conf.d/$domain.d/$app.conf"
sudo service nginx reload
fi
}
ynh_rm_php_fpm_conf () {
if [ -e "/etc/php5/fpm/pool.d/$app.conf" ]; then
sudo rm "/etc/php5/fpm/pool.d/$app.conf"
fi
if [ -e "/etc/php5/fpm/conf.d/20-$app.ini" ]; then
sudo rm "/etc/php5/fpm/conf.d/20-$app.ini"
fi
sudo service php5-fpm reload
}
REMOVE_LOGROTATE_CONF () {
if [ -e "/etc/logrotate.d/$app" ]; then
sudo rm "/etc/logrotate.d/$app"
fi
}
ynh_secure_rm () {
[[ "/var/www /opt /home/yunohost.app" =~ $1 ]] \
|| (test -n "$1" && sudo rm -Rf $1 )
}