From 0f799c50acbfda2d9c286d9ef2fc8fe63df3a760 Mon Sep 17 00:00:00 2001 From: frju365 Date: Sun, 5 Mar 2017 20:46:54 +0100 Subject: [PATCH] Create .fonctions --- scripts/.fonctions | 439 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 439 insertions(+) create mode 100644 scripts/.fonctions diff --git a/scripts/.fonctions b/scripts/.fonctions new file mode 100644 index 0000000..fc45080 --- /dev/null +++ b/scripts/.fonctions @@ -0,0 +1,439 @@ +#!/bin/bash + +#================================================= +# CHECKING +#================================================= + +CHECK_USER () { # Vérifie la validité de l'user admin +# $1 = Variable de l'user admin. + ynh_user_exists "$1" || ynh_die "Wrong user" +} + +CHECK_DOMAINPATH () { # Vérifie la disponibilité du path et du domaine. + sudo yunohost app checkurl $domain$path -a $app +} + +CHECK_FINALPATH () { # Vérifie que le dossier de destination n'est pas déjà utilisé. + final_path=/var/www/$app + test ! -e "$final_path" || ynh_die "This path already contains a folder" +} + +#================================================= +# DISPLAYING +#================================================= + +NO_PRINT () { # Supprime l'affichage dans stdout pour la commande en argument. + set +x + eval "$@" + set -x +} + +WARNING () { # Écrit sur le canal d'erreur pour passer en warning. + eval "$@" >&2 +} + +SUPPRESS_WARNING () { # Force l'écriture sur la sortie standard + eval "$@" 2>&1 +} + +QUIET () { # Redirige la sortie standard dans /dev/null + eval "$@" > /dev/null +} + +ALL_QUIET () { # Redirige la sortie standard et d'erreur dans /dev/null + eval "$@" > /dev/null 2>&1 +} + +#================================================= +# SETUP +#================================================= + +SETUP_SOURCE () { # Télécharge la source, décompresse et copie dans $final_path + src_url=$(cat ../conf/app.src | grep SOURCE_URL | cut -d= -f2) + src_checksum=$(cat ../conf/app.src | grep SOURCE_SUM | cut -d= -f2) + # Download sources from the upstream + wget -nv -O source.tar.gz $src_url + # Vérifie la somme de contrôle de la source téléchargée. + echo "$src_checksum source.tar.gz" | md5sum -c --status || ynh_die "Corrupt source" + # Extract source into the app dir + sudo mkdir -p $final_path + sudo tar -x -f source.tar.gz -C $final_path --strip-components 1 + # Copie les fichiers additionnels ou modifiés. + if test -e "../sources/ajouts"; then + sudo cp -a ../sources/ajouts/. "$final_path" + fi +} + +ADD_SYS_USER () { # Créer un utilisateur système dédié à l'app + if ! ynh_system_user_exists "$app" # Test l'existence de l'utilisateur + then + sudo useradd -d /var/www/$app --system --user-group $app --shell /usr/sbin/nologin || ynh_die "Unable to create $app system account" + fi +} + +POOL_FPM () { # Créer le fichier de configuration du pool php-fpm et le configure. + sed -i "s@__NAMETOCHANGE__@$app@g" ../conf/php-fpm.conf + sed -i "s@__FINALPATH__@$final_path@g" ../conf/php-fpm.conf + sed -i "s@__USER__@$app@g" ../conf/php-fpm.conf + finalphpconf=/etc/php5/fpm/pool.d/$app.conf + sudo cp ../conf/php-fpm.conf $finalphpconf + 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 +} + +YNH_CURL () { + data_post=$1 + url_access=$2 + sleep 1 + SUPPRESS_WARNING curl -kL -H \"Host: $domain\" --resolve $domain:443:127.0.0.1 --data \"$data_post\" \"https://localhost$path_url$url_access\" +} + +#================================================= +# REMOVE +#================================================= + +REMOVE_NGINX_CONF () { # Suppression de la configuration nginx + 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 service nginx reload + fi +} + +REMOVE_FPM_CONF () { # Suppression de la configuration du pool php-fpm + if [ -e "/etc/php5/fpm/pool.d/$app.conf" ]; then # Delete fpm config + echo "Delete fpm config" + sudo rm "/etc/php5/fpm/pool.d/$app.conf" + fi + if [ -e "/etc/php5/fpm/conf.d/20-$app.ini" ]; then # Delete php config + echo "Delete php config" + sudo rm "/etc/php5/fpm/conf.d/20-$app.ini" + fi + sudo service php5-fpm reload +} + +SECURE_REMOVE () { # Suppression de dossier avec vérification des variables + chaine="$1" # L'argument doit être donné entre quotes simple '', pour éviter d'interpréter les variables. + no_var=0 + while (echo "$chaine" | grep -q '\$') # Boucle tant qu'il y a des $ dans la chaine + do + no_var=1 + global_var=$(echo "$chaine" | cut -d '$' -f 2) # Isole la première variable trouvée. + only_var=\$$(expr "$global_var" : '\([A-Za-z0-9_]*\)') # Isole complètement la variable en ajoutant le $ au début et en gardant uniquement le nom de la variable. Se débarrasse surtout du / et d'un éventuel chemin derrière. + real_var=$(eval "echo ${only_var}") # `eval "echo ${var}` permet d'interpréter une variable contenue dans une variable. + if test -z "$real_var" || [ "$real_var" = "/" ]; then + WARNING echo "Variable $only_var is empty, suppression of $chaine cancelled." + return 1 + fi + chaine=$(echo "$chaine" | sed "s@$only_var@$real_var@") # remplace la variable par sa valeur dans la chaine. + done + if [ "$no_var" -eq 1 ] + then + if [ -e "$chaine" ]; then + echo "Delete directory $chaine" + sudo rm -r "$chaine" + fi + return 0 + else + WARNING echo "No detected variable." + return 1 + fi +} + +REMOVE_SYS_USER () { # Supprime l'utilisateur système dédié à l'app + if ynh_system_user_exists "$app" # Test l'existence de l'utilisateur + then + sudo userdel $app + fi +} + +#================================================= +# BACKUP +#================================================= + +BACKUP_FAIL_UPGRADE () { + WARNING echo "Upgrade failed." + if ALL_QUIET sudo yunohost backup list | grep -q $app-before-upgrade$backup_number; then # Vérifie l'existence de l'archive avant de supprimer l'application et de restaurer + sudo yunohost app remove $app # Supprime l'application avant de la restaurer. + sudo yunohost backup restore --ignore-hooks $app-before-upgrade$backup_number --apps $app --force # Restore the backup if upgrade failed + ynh_die "The app was restored to the way it was before the failed upgrade." + fi +} + +BACKUP_BEFORE_UPGRADE () { # Backup the current version of the app, restore it if the upgrade fails + backup_number=1 + old_backup_number=2 + if ALL_QUIET sudo yunohost backup list | grep -q $app-before-upgrade1; then # Vérifie l'existence d'une archive déjà numéroté à 1. + backup_number=2 # Et passe le numéro de l'archive à 2 + old_backup_number=1 + fi + + sudo yunohost backup create --ignore-hooks --apps $app --name $app-before-upgrade$backup_number # Créer un backup différent de celui existant. + if [ "$?" -eq 0 ]; then # Si le backup est un succès, supprime l'archive précédente. + if ALL_QUIET sudo yunohost backup list | grep -q $app-before-upgrade$old_backup_number; then # Vérifie l'existence de l'ancienne archive avant de la supprimer, pour éviter une erreur. + QUIET sudo yunohost backup delete $app-before-upgrade$old_backup_number + fi + else # Si le backup a échoué + ynh_die "Backup failed, the upgrade process was aborted." + fi +} + +#================================================= +# CONFIGURATION +#================================================= + +STORE_MD5_CONFIG () { # Enregistre la somme de contrôle du fichier de config +# $1 = Nom du fichier de conf pour le stockage dans settings.yml +# $2 = Nom complet et chemin du fichier de conf. + ynh_app_setting_set $app $1_file_md5 $(sudo md5sum "$2" | cut -d' ' -f1) +} + +CHECK_MD5_CONFIG () { # Créé un backup du fichier de config si il a été modifié. +# $1 = Nom du fichier de conf pour le stockage dans settings.yml +# $2 = Nom complet et chemin du fichier de conf. + if [ "$(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 +} + + +#================================================= +#================================================= +# FUTUR YNH HELPERS +#================================================= +# Importer ce fichier de fonction avant celui des helpers officiel +# Ainsi, les officiels prendront le pas sur ceux-ci le cas échéant +#================================================= + +# Ignore the yunohost-cli log to prevent errors with conditionals commands +# usage: ynh_no_log COMMAND +# Simply duplicate the log, execute the yunohost command and replace the log without the result of this command +# It's a very badly hack... +ynh_no_log() { + ynh_cli_log=/var/log/yunohost/yunohost-cli.log + sudo cp -a ${ynh_cli_log} ${ynh_cli_log}-move + eval $@ + exit_code=$? + sudo mv ${ynh_cli_log}-move ${ynh_cli_log} + return $? +} + +# Normalize the url path syntax +# Handle the slash at the beginning of path and its absence at ending +# Return a normalized url path +# +# example: url_path=$(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 $path +} + +# Create a database, an user and its password. Then store the password in the app's config +# +# User of database will be store in db_user's variable. +# Name of database will be store in db_name's variable. +# And password in db_pwd's variable. +# +# usage: ynh_mysql_generate_db user name +# | arg: user - Owner of the database +# | arg: name - Name of the database +ynh_mysql_generate_db () { + db_pwd=$(ynh_string_random) # Generate a random password + ynh_mysql_create_db "$2" "$1" "$db_pwd" # Create the database + ynh_app_setting_set $app mysqlpwd $db_pwd # Store the password in the app's config +} + +# Remove a database if it exist and the associated user +# +# usage: ynh_mysql_remove_db user name +# | arg: user - Proprietary of the database +# | arg: name - Name of the database +ynh_mysql_remove_db () { + if mysqlshow -u root -p$(sudo cat $MYSQL_ROOT_PWD_FILE) | grep -q "^| $2"; then # Check if the database exist + echo "Remove database $2" >&2 + ynh_mysql_drop_db $2 # Remove the database + ynh_mysql_drop_user $1 # Remove the associated user to database + else + echo "Database $2 not found" >&2 + fi +} + +# Correct the name given in argument for mariadb +# +# Avoid invalid name for your database +# +# Exemple: dbname=$(ynh_make_valid_dbid $app) +# +# usage: ynh_make_valid_dbid name +# | arg: name - name to correct +# | ret: the corrected name +ynh_make_valid_dbid () { + dbid=${1//[-.]/_} # Mariadb doesn't support - and . in the name of databases. It will be replace by _ + echo $dbid +} + +# Manage a fail of the script +# +# Print a warning to inform that the script was failed +# Execute the ynh_clean_setup function if used in the app script +# +# usage of ynh_clean_setup function +# This function provide a way to clean some residual of installation that not managed by remove script. +# To use it, simply add in your script: +# ynh_clean_setup () { +# instructions... +# } +# This function is optionnal. +# +# Usage: ynh_exit_properly is used only by the helper ynh_check_error. +# You must not use it directly. +ynh_exit_properly () { + exit_code=$? + if [ "$exit_code" -eq 0 ]; then + exit 0 # Exit without error if the script ended correctly + fi + + trap '' EXIT # Ignore new exit signals + set +eu # Do not exit anymore if a command fail or if a variable is empty + + echo -e "!!\n $app's script has encountered an error. Its execution was cancelled.\n!!" >&2 + + if type -t ynh_clean_setup > /dev/null; then # Check if the function exist in the app script. + ynh_clean_setup # Call the function to do specific cleaning for the app. + fi + + ynh_die # Exit with error status +} + +# Exit if an error occurs during the execution of the script. +# +# Stop immediatly the execution if an error occured or if a empty variable is used. +# The execution of the script is derivate to ynh_exit_properly function before exit. +# +# Usage: ynh_check_error +ynh_check_error () { + set -eu # Exit if a command fail, and if a variable is used unset. + trap ynh_exit_properly EXIT # Capturing exit signals on shell script +} + +# Install dependencies with a equivs control file +# +# usage: ynh_app_dependencies dep [dep [...]] +# | arg: dep - the package name to install in dependence +ynh_app_dependencies () { + dependencies=$@ + manifest_path="../manifest.json" + if [ ! -e "$manifest_path" ]; then + manifest_path="../settings/manifest.json" # Into the restore script, the manifest is not at the same place + fi + version=$(sudo python3 -c "import sys, json;print(json.load(open(\"$manifest_path\"))['version'])") # Retrieve the version number in the manifest file. + dep_app=${app//_/-} # Replace all '_' by '-' + cat > ./${dep_app}-ynh-deps.control << EOF # Make a control file for equivs-build +Section: misc +Priority: optional +Package: ${dep_app}-ynh-deps +Version: ${version} +Depends: ${dependencies} +Architecture: all +Description: Fake package for ${app} (YunoHost app) dependencies + This meta-package is only responsible of installing its dependencies. +EOF + ynh_package_install_from_equivs ./${dep_app}-ynh-deps.control \ + || ynh_die "Unable to install dependencies" # Install the fake package and its dependencies +} + +# Remove fake package and its dependencies +# +# Dependencies will removed only if no other package need them. +# +# usage: ynh_remove_app_dependencies +ynh_remove_app_dependencies () { + dep_app=${app/_/-} # Replace all '_' by '-' + ynh_package_autoremove ${dep_app}-ynh-deps # Remove the fake package and its dependencies if they not still used. +} + +# Use logrotate to manage the logfile +# +# usage: ynh_use_logrotate [logfile] +# | arg: logfile - absolute path of logfile +# +# If no argument provided, a standard directory will be use. /var/log/${app} +# You can provide a path with the directory only or with the logfile. +# /parentdir/logdir/ +# /parentdir/logdir/logfile.log +# +# It's possible to use this helper several times, each config will added to same logrotate config file. +ynh_use_logrotate () { + if [ -n "$1" ]; then + if [ "$(echo ${1##*.})" == "log" ]; then # Keep only the extension to check if it's a logfile + logfile=$1 # In this case, focus logrotate on the logfile + else + logfile=$1/.log # Else, uses the directory and all logfile into it. + fi + else + logfile="/var/log/${app}/.log" # Without argument, use a defaut directory in /var/log + fi + cat > ./${app}-logrotate << EOF # Build a config file for logrotate +$logfile { + # Rotate if the logfile exceeds 100Mo + size 100M + # Keep 12 old log maximum + rotate 12 + # Compress the logs with gzip + compress + # Compress the log at the next cycle. So keep always 2 non compressed logs + delaycompress + # Copy and truncate the log to allow to continue write on it. Instead of move the log. + copytruncate + # Do not do an error if the log is missing + missingok + # Not rotate if the log is empty + notifempty + # Keep old logs in the same dir + noolddir +} +EOF + sudo mkdir -p $(dirname "$logfile") # Create the log directory, if not exist + cat ${app}-logrotate | sudo tee -a /etc/logrotate.d/$app > /dev/null # Append this config to the others for this app. If a config file already exist +} + +# Remove the app's logrotate config. +# +# usage: ynh_remove_logrotate +ynh_remove_logrotate () { + if [ -e "/etc/logrotate.d/$app" ]; then + sudo rm "/etc/logrotate.d/$app" + fi +} + +# 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 +}