mirror of
https://github.com/YunoHost-Apps/noalyss_ynh.git
synced 2024-09-03 19:46:20 +02:00
207 lines
8.4 KiB
Bash
207 lines
8.4 KiB
Bash
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#=================================================
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# COMMON VARIABLES
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#=================================================
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YNH_PHP_VERSION="8.0"
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pkg_dependencies="postgresql apt-transport-https libgd-dev php${YNH_PHP_VERSION}-pgsql php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-bcmath php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-gd php-php-gettext"
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#=================================================
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# COMMON HELPERS
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#=================================================
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#=================================================
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# EXPERIMENTAL HELPERS
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#=================================================
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# Send an email to inform the administrator
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#
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# usage: ynh_send_readme_to_admin app_message [recipients]
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# | arg: app_message - The message to send to the administrator.
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# | arg: recipients - The recipients of this email. Use spaces to separate multiples recipients. - default: root
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# example: "root admin@domain"
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# If you give the name of a YunoHost user, ynh_send_readme_to_admin will find its email adress for you
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# example: "root admin@domain user1 user2"
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ynh_send_readme_to_admin() {
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local app_message="${1:-...No specific information...}"
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local recipients="${2:-root}"
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# Retrieve the email of users
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find_mails () {
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local list_mails="$1"
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local mail
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local recipients=" "
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# Read each mail in argument
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for mail in $list_mails
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do
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# Keep root or a real email address as it is
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if [ "$mail" = "root" ] || echo "$mail" | grep --quiet "@"
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then
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recipients="$recipients $mail"
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else
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# But replace an user name without a domain after by its email
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if mail=$(ynh_user_get_info "$mail" "mail" 2> /dev/null)
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then
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recipients="$recipients $mail"
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fi
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fi
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done
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echo "$recipients"
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}
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recipients=$(find_mails "$recipients")
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local mail_subject="☁️🆈🅽🅷☁️: \`$app\` has important message for you"
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local mail_message="This is an automated message from your beloved YunoHost server.
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Specific information for the application $app.
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$app_message
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---
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Automatic diagnosis data from YunoHost
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$(yunohost tools diagnosis | grep -B 100 "services:" | sed '/services:/d')"
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# Define binary to use for mail command
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if [ -e /usr/bin/bsd-mailx ]
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then
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local mail_bin=/usr/bin/bsd-mailx
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else
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local mail_bin=/usr/bin/mail.mailutils
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fi
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# Send the email to the recipients
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echo "$mail_message" | $mail_bin -a "Content-Type: text/plain; charset=UTF-8" -s "$mail_subject" "$recipients"
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}
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#### List all existing PostgreSQL databases associated with a given user
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#
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# [internal]
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#
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# usage: ynh_psql_list_user_dbs db_user
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# | arg: db_user - the PostgreSQL role/user of which to list all owned databases
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ynh_psql_list_user_dbs() {
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local db_user=$1
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if ynh_psql_user_exists --user=$db_user; then # Check that the db_user exists
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local sql="COPY (SELECT datname FROM pg_database JOIN pg_authid ON pg_database.datdba = pg_authid.oid WHERE rolname = '${db_user}') TO STDOUT"
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local dbs_list=ynh_psql_execute_as_root --sql="$sql" # Fetch database(s) associated to role $db_user
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return dbs_list
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else
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ynh_print_err --message="User \'$db_user\' does not exist"
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return ""
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fi
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}
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#### Remove all existing PostgreSQL databases associated with a given user
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#
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# usage: ynh_psql_remove_all_user_dbs --db_user=db_user
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# | arg: -u, --db_user= - the PostgreSQL role/user of which to remove all owned databases
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#
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# This can be useful to prepare the removal of a given user.
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ynh_psql_remove_all_user_dbs() {
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# Declare an array to define the options of this helper.
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local legacy_args=u
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local -A args_array=([u]=db_user=)
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local db_user
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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local dbs_to_drop = ynh_psql_list_user_dbs $db_user
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if [ -n "$dbs_to_drop" ]; then # Check that the list of database(s) is not empty
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local db_name
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for $db_name in $dbs_to_drop # Iterate through the list of database(s) to remove
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do
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if ynh_psql_database_exists --database=$db_name; then # Check if the database exists
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ynh_psql_drop_db $db_name # Remove the database
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ynh_print_info --message="Removed database $db_name associated to role $db_user"
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else
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ynh_print_warn --message="Database $db_name not found"
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fi
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done
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else
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ynh_print_warn --message="No associated database to role $db_user was found"
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fi
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}
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# Dump all existing PostgreSQL databases associated with a given user
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#
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# usage: ynh_psql_dump_all_user_dbs --db_user=db_user [--app=app]
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# | arg: -u, --db_user= - the PostgreSQL role/user of which to remove all owned databases
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# | arg: -a, --app= - the application id to tag the dump with
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# Requires YunoHost version 3.5.0 or higher.
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ynh_psql_dump_all_user_dbs() {
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# Declare an array to define the options of this helper.
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local legacy_args=ua
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local -A args_array=([u]=db_user= [a]=app=)
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local db_user
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local app
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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app="${app:-}"
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local dbs_to_dump = ynh_psql_list_user_dbs $db_user
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if [ -n "$dbs_to_dump" ]; then # Check that the list of database(s) is not empty
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local db_name
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for $db_name in $dbs_to_dump # Iterate through the list of database(s) to dump
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do
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if ynh_psql_database_exists --database=$db_name; then # Check if the database exists
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ynh_psql_dump_db $db_name > "$app-$db_name-dump.sql" # Dump the database to a filename format of app-db_name-dump.sql, or of db_name-dump.sql if app parameter was not supplied
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ynh_print_info --message="Dumped database $db_name associated to role $db_user"
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else
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ynh_print_warn --message="Database $db_name not found"
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fi
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done
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else
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ynh_print_warn --message="No associated database to role $db_user was found"
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fi
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}
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# Restore all dumped PostgreSQL databases for the given app
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#
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# usage: ynh_psql_restore_all_app_dbs_dumps --db_user=db_user [--db_user_pwd=db_user_pwd]
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# | arg: -u, --db_user= - the PostgreSQL role/user which will own the restored databases. If not existing, it will be created.
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# | arg: -p, --db_user_pwd= - the password associated to the PostgreSQL role/user which will own the databases. If not existing, it will be generated and saved to the app's config file.
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#
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# SQL dump files to restore must be named according to this format "app_id-db_name-dump.sql" and be located in the app folder
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# The filename format requirement is made so to match the files dumped with ynh_psql_dump_all_user_dbs --user=user --app=app (with both parameters specified).
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#
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# Requires YunoHost version 2.7.13 or higher.
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ynh_psql_restore_all_app_dbs_dumps(){
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# Declare an array to define the options of this helper.
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local legacy_args=up
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local -A args_array=([u]=db_user= [p]=db_user_pwd=)
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local db_user
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local db_user_pwd
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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if [ -z "$app" ]; then
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ynh_die --message="No global app_ID variable defined in the script"
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fi
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ynh_psql_test_if_first_run # Make sure PSQL is installed
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local filename
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for filename in *-dump.sql # Loop among all files ending with "-dump.sql" in the current folder
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do
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local db_name
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db_name="${filename#${app}-}" # Remove "$app-" prefix from filename string to parse db_name. Will do nothing if there is no match.
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db_name="${db_name%-dump.sql}" # Remove "-dump.sql" suffix from filename string to parse db_name. Will do nothing if there is no match.
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db_name=ynh_sanitize_dbid --db_name="$db_name"
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if [[ "${filename#${app}-}" = "$filename" || -z "$db_name" ]] ; then # Check whether app_ID is included in filename OR $db_name is empty
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ynh_print_warn --message="File ignored: $filename. Filename not matching expected format (appID-db_name-dump.sql)"
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continue
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else
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db_user_pwd="${db_user_pwd:-}"
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if [ -z "$db_user_pwd" ]; then
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db_user_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd) # Try to retrieve db_user_pwd from the app's settings. It may prove empty during the first loop, but will get populated before the second loop by ynh_psql_setup_db() below.
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fi
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ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_user_pwd # Check that the db_user exists or create it generating a random password and then create an empty database named $db_name.
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ynh_psql_execute_file_as_root --file="./${filename}" --database=$db_name # Restore the dabatase from the corresponding dump file
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ynh_print_info --message="Restored database $db_name, owned by PostgreSQL user $db_user"
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fi
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done
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}
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