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glitchsoc_ynh/scripts/.fonctions
2017-04-10 21:13:13 +02:00

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#!/bin/bash
ynh_version="2.4"
YNH_VERSION () { # Returns the version number of the Yunohost moulinette
ynh_version=$(sudo yunohost -v | grep "moulinette:" | cut -d' ' -f2 | cut -d'.' -f1,2)
}
CHECK_VAR () { # Verifies that the variable is not empty.
# $1 = Variable to be checked
# $2 = Display text on error
test -n "$1" || (echo "$2" >&2 && false)
}
EXIT_PROPERLY () { # Causes the script to stop in the event of an error. And clean the residue.
trap '' ERR
echo -e "\e[91m \e[1m" # Shell in light red bold
echo -e "!!\n $app install's script has encountered an error. Installation was cancelled.\n!!" >&2
if type -t CLEAN_SETUP > /dev/null; then # Checks the existence of the function before executing it.
CLEAN_SETUP # Call the specific cleanup function of the install script.
fi
# Compensates the ssowat bug that does not remove the app's input in case of installation error.
sudo sed -i "\@\"$domain$path/\":@d" /etc/ssowat/conf.json
if [ "$ynh_version" = "2.2" ]; then
/bin/bash $script_dir/remove
fi
ynh_die
}
TRAP_ON () { # Activate signal capture
trap EXIT_PROPERLY ERR # Capturing exit signals on error
}
TRAP_OFF () { # Ignoring signal capture until TRAP_ON
trap '' ERR # Ignoring exit signals
}
CHECK_USER () { # Check the validity of the user admin
# $1 = User admin variable
ynh_user_exists "$1" || (echo "Wrong admin" >&2 && false)
}
CHECK_PATH () { # Checks / at the beginning of the path. And his absence at the end.
if [ "${path:0:1}" != "/" ]; then # If the first character is not /
path="/$path" # Add / at the beginning of path
fi
if [ "${path:${#path}-1}" == "/" ] && [ ${#path} -gt 1 ]; then # If the last character is a / and it is not the only character.
path="${path:0:${#path}-1}" # Delete last character
fi
}
CHECK_DOMAINPATH () { # Checks the availability of the path and domain.
sudo yunohost app checkurl $domain$path -a $app
}
CHECK_FINALPATH () { # Checks that the destination folder is not already in use.
final_path=/opt/$app
if [ -e "$final_path" ]
then
echo "This path already contains a folder" >&2
false
fi
}
STORE_MD5_CONFIG () { # Saves the checksum of the config file
# $1 = Name of the conf file for storage in settings.yml
# $2 = Full name and path of the conf file.
ynh_app_setting_set $app $1_file_md5 $(sudo md5sum "$2" | cut -d' ' -f1)
}
CHECK_MD5_CONFIG () { # Created a backup of the config file if it was changed.
# $1 = Name of the conf file for storage in settings.yml
# $2 = Full name and path of the conf file.onf.
if [ "$(ynh_app_setting_get $app $1_file_md5)" != $(sudo md5sum "$2" | cut -d' ' -f1) ]; then
sudo cp -a "$2" "$2.backup.$(date '+%d.%m.%y_%Hh%M,%Ss')" # Si le fichier de config a été modifié, créer un backup.
fi
}
FIND_PORT () { # Search free port
# $1 = Port number to start the search.
port=$1
while ! sudo yunohost app checkport $port ; do
port=$((port+1))
done
CHECK_VAR "$port" "port empty"
}
SETUP_SOURCE () { # Download source, decompress and copu into $final_path
src=$(cat ../sources/source_md5 | awk -F' ' {'print $2'})
sudo wget -nv -i ../sources/source_url -O $src
# Checks the checksum of the downloaded source.
# md5sum -c ../sources/source_md5 --status || ynh_die "Corrupt source"
# Decompress source
if [ "$(echo ${src##*.})" == "tgz" ]; then
tar -x -f $src
elif [ "$(echo ${src##*.})" == "zip" ]; then
unzip -q $src
else
false # Unsupported archive format.
fi
# Copy file source
sudo cp -a $(cat ../sources/source_dir)/. "$final_path/live"
# Copy additional file and modified
if test -e "../sources/ajouts"; then
sudo cp -a ../sources/ajouts/. "$final_path"
fi
}
### REMOVE SCRIPT
REMOVE_NGINX_CONF () { # Delete nginx configuration
if [ -e "/etc/nginx/conf.d/$domain.d/$app.conf" ]; then # Delete nginx config
echo "Delete nginx config"
sudo rm "/etc/nginx/conf.d/$domain.d/$app.conf"
sudo systemctl reload nginx
fi
}
REMOVE_LOGROTATE_CONF () { # Delete logrotate configuration
if [ -e "/etc/logrotate.d/$app" ]; then
echo "Delete logrotate config"
sudo rm "/etc/logrotate.d/$app"
fi
}
SECURE_REMOVE () { # Deleting a folder with variable verification
chaine="$1" # The argument must be given between simple quotes '', to avoid interpreting the variables.
no_var=0
while (echo "$chaine" | grep -q '\$') # Loop as long as there are $ in the string
do
no_var=1
global_var=$(echo "$chaine" | cut -d '$' -f 2) # Isole the first variable found.
only_var=\$$(expr "$global_var" : '\([A-Za-z0-9_]*\)') # Isole completely the variable by adding the $ at the beginning and keeping only the name of the variable. Mostly gets rid of / and a possible path behind.
real_var=$(eval "echo ${only_var}") # `eval "echo ${var}` Allows to interpret a variable contained in a variable.
if test -z "$real_var" || [ "$real_var" = "/" ]; then
echo "Variable $only_var is empty, suppression of $chaine cancelled." >&2
return 1
fi
chaine=$(echo "$chaine" | sed "s@$only_var@$real_var@") # Replaces variable with its value in the string.
done
if [ "$no_var" -eq 1 ]
then
if [ -e "$chaine" ]; then
echo "Delete directory $chaine"
sudo rm -r "$chaine"
fi
return 0
else
echo "No detected variable." >&2
return 1
fi
}
# Create a db without password
#
# usage: ynh_mysql_create_user user
# | arg: user - the user name to create
ynh_psql_create_db_without_password() {
db=$1
sudo su -c "psql" postgres <<< \
"CREATE USER $db CREATEDB;"
}
# Create a user
#
# usage: ynh_mysql_create_user user pwd [host]
# | arg: user - the user name to create
# | arg: pwd - the password to identify user by
ynh_psql_create_user() {
sudo su -c "psql" postgres <<< \
"CREATE USER ${1} WITH PASSWORD '${2}';"
}
# Create a database and grant optionnaly privilegies to a user
#
# usage: ynh_mysql_create_db db [user [pwd]]
# | arg: db - the database name to create
# | arg: user - the user to grant privilegies
# | arg: pwd - the password to identify user by
ynh_psql_create_db() {
db=$1
# grant all privilegies to user
if [[ $# -gt 1 ]]; then
ynh_psql_create_user ${2} "${3}"
sudo su -c "createdb -O ${2} $db" postgres
else
sudo su -c "createdb $db" postgres
fi
}
# Drop a role
#
# usage: ynh_mysql_drop_role db
# | arg: db - the database name to drop
ynh_psql_drop_role() {
sudo su -c "psql" postgres <<< \
"DROP ROLE ${1};"
}
# Drop a database
#
# usage: ynh_mysql_drop_db db
# | arg: db - the database name to drop
ynh_psql_drop_db() {
sudo su -c "dropdb ${1}" postgres
}
# Drop a user
#
# usage: ynh_mysql_drop_user user
# | arg: user - the user name to drop
ynh_psql_drop_user() {
sudo su -c "dropuser ${1}" postgres
}