mirror of
https://github.com/YunoHost-Apps/moodle_ynh.git
synced 2024-09-03 19:46:23 +02:00
125 lines
3.1 KiB
Bash
125 lines
3.1 KiB
Bash
#!/bin/bash
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#=================================================
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# POSTGRES HELPERS
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#=================================================
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# Open a connection as a user
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#
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# example: ynh_psql_connect_as 'user' 'pass' <<< "UPDATE ...;"
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# example: ynh_psql_connect_as 'user' 'pass' < /path/to/file.sql
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#
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# usage: ynh_psql_connect_as user pwd [db]
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# | arg: user - the user name to connect as
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# | arg: pwd - the user password
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# | arg: db - the database to connect to
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ynh_psql_connect_as() {
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ynh_die "ynh_psql_connect_as is not yet implemented"
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}
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# # Execute a command as root user
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#
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# usage: ynh_psql_execute_as_root sql [db]
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# | arg: sql - the SQL command to execute
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# | arg: db - the database to connect to
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ynh_psql_execute_as_root () {
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sudo su -c "psql" - postgres <<< ${1}
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#TODO support db argument ?
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}
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# Execute a command from a file as root user
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#
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# usage: ynh_psql_execute_file_as_root file [db]
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# | arg: file - the file containing SQL commands
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# | arg: db - the database to connect to
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ynh_psql_execute_file_as_root() {
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file="$1"
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db="$2"
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su -c "psql $db" postgres < "$file"
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}
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# Create a database and grant optionnaly privilegies to a user
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#
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# usage: ynh_psql_create_db db [user [pwd]]
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# | arg: db - the database name to create
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# | arg: user - the user to grant privilegies
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# | arg: pwd - the password to identify user by
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ynh_psql_create_db() {
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db=$1
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# grant all privilegies to user
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if [[ $# -gt 1 ]]; then
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ynh_psql_create_user ${2} "${3}"
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sudo su -c "createdb -O ${2} $db" - postgres
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else
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sudo su -c "createdb $db" - postgres
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fi
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}
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# Drop a database
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#
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# usage: ynh_psql_drop_db db
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# | arg: db - the database name to drop
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ynh_psql_drop_db() {
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sudo su -c "dropdb ${1}" - postgres
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}
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# Dump a database
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#
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# example: ynh_psql_dump_db 'roundcube' > ./dump.sql
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#
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# usage: ynh_psql_dump_db db
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# | arg: db - the database name to dump
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# | ret: the psqldump output
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ynh_psql_dump_db() {
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db="$1"
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su --command="pg_dump \"${db}\"" postgres
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}
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# Create a user
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#
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# usage: ynh_psql_create_user user pwd [host]
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# | arg: user - the user name to create
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# | arg: pwd - the password to identify user by
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ynh_psql_create_user() {
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ynh_psql_execute_as_root \
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"CREATE USER ${1} WITH PASSWORD '${2}';"
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}
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# Drop a user
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#
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# usage: ynh_psql_drop_user user
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# | arg: user - the user name to drop
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ynh_psql_drop_user() {
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sudo su -c "dropuser ${1}" - postgres
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}
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ynh_psql_test_if_first_run() {
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if [ -f /etc/yunohost/psql ];
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then
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echo "PostgreSQL is already installed, no need to create master password"
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else
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pgsql=$(ynh_string_random)
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pg_hba=""
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echo "$pgsql" >> /etc/yunohost/psql
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if [ -e /etc/postgresql/9.4/ ]
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then
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pg_hba=/etc/postgresql/9.4/main/pg_hba.conf
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elif [ -e /etc/postgresql/9.6/ ]
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then
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pg_hba=/etc/postgresql/9.6/main/pg_hba.conf
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else
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ynh_die "postgresql shoud be 9.4 or 9.6"
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fi
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systemctl start postgresql
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su --command="psql -c\"ALTER user postgres WITH PASSWORD '${pgsql}'\"" postgres
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# we can't use peer since YunoHost create users with nologin
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sed -i '/local\s*all\s*all\s*peer/i \
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local all all password' "$pg_hba"
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systemctl enable postgresql
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systemctl reload postgresql
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fi
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}
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