mirror of
https://github.com/YunoHost-Apps/lufi_ynh.git
synced 2024-09-03 19:36:28 +02:00
248 lines
8.7 KiB
Bash
248 lines
8.7 KiB
Bash
#!/bin/bash
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ynh_version="2.4"
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YNH_VERSION () { # Returns the version number of the Yunohost moulinette
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ynh_version=$(sudo yunohost -v | grep "moulinette:" | cut -d' ' -f2 | cut -d'.' -f1,2)
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}
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CHECK_VAR () { # Verifies that the variable is not empty.
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# $1 = Variable to be checked
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# $2 = Display text on error
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test -n "$1" || (echo "$2" >&2 && false)
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}
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EXIT_PROPERLY () { # Causes the script to stop in the event of an error. And clean the residue.
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trap '' ERR
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echo -e "\e[91m \e[1m" # Shell in light red bold
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echo -e "!!\n $app install's script has encountered an error. Installation was cancelled.\n!!" >&2
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if type -t CLEAN_SETUP > /dev/null; then # Checks the existence of the function before executing it.
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CLEAN_SETUP # Call the specific cleanup function of the install script.
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fi
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# Compensates the ssowat bug that does not remove the app's input in case of installation error.
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sudo sed -i "\@\"$domain$path/\":@d" /etc/ssowat/conf.json
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if [ "$ynh_version" = "2.2" ]; then
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/bin/bash $script_dir/remove
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fi
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ynh_die
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}
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TRAP_ON () { # Activate signal capture
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trap EXIT_PROPERLY ERR # Capturing exit signals on error
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}
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TRAP_OFF () { # Ignoring signal capture until TRAP_ON
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trap '' ERR # Ignoring exit signals
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}
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CHECK_USER () { # Check the validity of the user admin
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# $1 = User admin variable
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ynh_user_exists "$1" || (echo "Wrong admin" >&2 && false)
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}
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CHECK_PATH () { # Checks / at the beginning of the path. And his absence at the end.
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if [ "${path:0:1}" != "/" ]; then # If the first character is not /
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path="/$path" # Add / at the beginning of path
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fi
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if [ "${path:${#path}-1}" == "/" ] && [ ${#path} -gt 1 ]; then # If the last character is a / and it is not the only character.
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path="${path:0:${#path}-1}" # Delete last character
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fi
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}
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CHECK_DOMAINPATH () { # Checks the availability of the path and domain.
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sudo yunohost app checkurl $domain$path -a $app
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}
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CHECK_FINALPATH () { # Checks that the destination folder is not already in use.
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final_path=/var/www/$app
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if [ -e "$final_path" ]
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then
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echo "This path already contains a folder" >&2
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false
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fi
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}
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SETUP_SOURCE () { # Download source, decompress and copu into $final_path
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src=$(cat ../sources/source_md5 | awk -F' ' {'print $2'})
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sudo wget -nv -i ../sources/source_url -O $src
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# Checks the checksum of the downloaded source.
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# md5sum -c ../sources/source_md5 --status || ynh_die "Corrupt source"
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# Decompress source
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if [ "$(echo ${src##*.})" == "tgz" ]; then
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tar -x -f $src
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elif [ "$(echo ${src##*.})" == "zip" ]; then
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unzip -q $src
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else
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false # Unsupported archive format.
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fi
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# Copy file source
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sudo cp -a $(cat ../sources/source_dir)/. "$final_path"
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# Copy additional file and modified
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if test -e "../sources/ajouts"; then
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sudo cp -a ../sources/ajouts/. "$final_path"
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fi
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}
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ADD_SYS_USER () { # Créer un utilisateur système dédié à l'app
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if ! ynh_system_user_exists "$app" # Test l'existence de l'utilisateur
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then
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sudo useradd -d /var/www/$app --system --user-group $app --shell /usr/sbin/nologin || (echo "Unable to create $app system account" >&2 && false)
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fi
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}
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STORE_MD5_CONFIG () { # Saves the checksum of the config file
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# $1 = Name of the conf file for storage in settings.yml
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# $2 = Full name and path of the conf file.
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ynh_app_setting_set $app $1_file_md5 $(sudo md5sum "$2" | cut -d' ' -f1)
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}
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CHECK_MD5_CONFIG () { # Created a backup of the config file if it was changed.
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# $1 = Name of the conf file for storage in settings.yml
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# $2 = Full name and path of the conf file.onf.
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if [ "$(ynh_app_setting_get $app $1_file_md5)" != $(sudo md5sum "$2" | cut -d' ' -f1) ]; then
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sudo cp -a "$2" "$2.backup.$(date '+%d.%m.%y_%Hh%M,%Ss')" # Si le fichier de config a été modifié, créer un backup.
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fi
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}
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FIND_PORT () { # Search free port
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# $1 = Port number to start the search.
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port=$1
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while ! sudo yunohost app checkport $port ; do
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port=$((port+1))
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done
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CHECK_VAR "$port" "port empty"
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}
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### REMOVE SCRIPT
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REMOVE_NGINX_CONF () { # Delete nginx configuration
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if [ -e "/etc/nginx/conf.d/$domain.d/$app.conf" ]; then # Delete nginx config
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echo "Delete nginx config"
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sudo rm "/etc/nginx/conf.d/$domain.d/$app.conf"
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sudo service nginx reload
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fi
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}
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REMOVE_LOGROTATE_CONF () { # Delete logrotate configuration
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if [ -e "/etc/logrotate.d/$app" ]; then
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echo "Delete logrotate config"
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sudo rm "/etc/logrotate.d/$app"
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fi
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}
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SECURE_REMOVE () { # Deleting a folder with variable verification
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chaine="$1" # The argument must be given between simple quotes '', to avoid interpreting the variables.
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no_var=0
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while (echo "$chaine" | grep -q '\$') # Loop as long as there are $ in the string
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do
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no_var=1
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global_var=$(echo "$chaine" | cut -d '$' -f 2) # Isole the first variable found.
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only_var=\$$(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.
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real_var=$(eval "echo ${only_var}") # `eval "echo ${var}` Allows to interpret a variable contained in a variable.
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if test -z "$real_var" || [ "$real_var" = "/" ]; then
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echo "Variable $only_var is empty, suppression of $chaine cancelled." >&2
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return 1
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fi
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chaine=$(echo "$chaine" | sed "s@$only_var@$real_var@") # Replaces variable with its value in the string.
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done
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if [ "$no_var" -eq 1 ]
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then
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if [ -e "$chaine" ]; then
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echo "Delete directory $chaine"
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sudo rm -r "$chaine"
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fi
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return 0
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else
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echo "No detected variable." >&2
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return 1
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fi
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}
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REMOVE_SYS_USER () { # Delete user
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if ynh_system_user_exists "$app" # Test user exist
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then
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sudo userdel $app
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fi
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}
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#=================================================
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# BACKUP
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#=================================================
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BACKUP_FAIL_UPGRADE () {
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WARNING echo "Upgrade failed."
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app_bck=${app//_/-} # Replace all '_' by '-'
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if sudo yunohost backup list | grep -q $app_bck-pre-upgrade$backup_number; then # Vérifie l'existence de l'archive avant de supprimer l'application et de restaurer
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sudo yunohost app remove $app # Supprime l'application avant de la restaurer.
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sudo yunohost backup restore --ignore-hooks $app_bck-pre-upgrade$backup_number --apps $app --force # Restore the backup if upgrade failed
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ynh_die "The app was restored to the way it was before the failed upgrade."
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fi
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}
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BACKUP_BEFORE_UPGRADE () { # Backup the current version of the app, restore it if the upgrade fails
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backup_number=1
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old_backup_number=2
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app_bck=${app//_/-} # Replace all '_' by '-'
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if sudo yunohost backup list | grep -q $app_bck-pre-upgrade1; then # Vérifie l'existence d'une archive déjà numéroté à 1.
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backup_number=2 # Et passe le numéro de l'archive à 2
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old_backup_number=1
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fi
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sudo yunohost backup create --ignore-hooks --apps $app --name $app_bck-pre-upgrade$backup_number # Créer un backup différent de celui existant.
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if [ "$?" -eq 0 ]; then # Si le backup est un succès, supprime l'archive précédente.
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if sudo yunohost backup list | grep -q $app_bck-pre-upgrade$old_backup_number; then # Vérifie l'existence de l'ancienne archive avant de la supprimer, pour éviter une erreur.
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QUIET sudo yunohost backup delete $app_bck-pre-upgrade$old_backup_number
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fi
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else # Si le backup a échoué
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ynh_die "Backup failed, the upgrade process was aborted."
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fi
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}
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# Manage a fail of the script
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#
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# Print a warning to inform that the script was failed
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# Execute the ynh_clean_setup function if used in the app script
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#
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# usage of ynh_clean_setup function
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# This function provide a way to clean some residual of installation that not managed by remove script.
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# To use it, simply add in your script:
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# ynh_clean_setup () {
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# instructions...
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# }
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# This function is optionnal.
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#
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# Usage: ynh_exit_properly is used only by the helper ynh_check_error.
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# You must not use it directly.
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ynh_exit_properly () {
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exit_code=$?
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if [ "$exit_code" -eq 0 ]; then
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exit 0 # Exit without error if the script ended correctly
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fi
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trap '' EXIT # Ignore new exit signals
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set +eu # Do not exit anymore if a command fail or if a variable is empty
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echo -e "!!\n $app's script has encountered an error. Its execution was cancelled.\n!!" >&2
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if type -t ynh_clean_setup > /dev/null; then # Check if the function exist in the app script.
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ynh_clean_setup # Call the function to do specific cleaning for the app.
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fi
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ynh_die # Exit with error status
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}
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# Exit if an error occurs during the execution of the script.
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#
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# Stop immediatly the execution if an error occured or if a empty variable is used.
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# The execution of the script is derivate to ynh_exit_properly function before exit.
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#
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# Usage: ynh_abort_if_errors
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ynh_abort_if_errors () {
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set -eu # Exit if a command fail, and if a variable is used unset.
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trap ynh_exit_properly EXIT # Capturing exit signals on shell script
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}
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