138 lines
4.3 KiB
Bash
138 lines
4.3 KiB
Bash
#!/bin/bash
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#
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# lib/databases/postgresql
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# Functions to control the configuration and operation of the **PostgreSQL** database backend
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# Dependencies:
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#
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# - DATABASE_{HOST,USER,PASSWORD} must be defined
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# Save trace setting
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_XTRACE_PG=$(set +o | grep xtrace)
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set +o xtrace
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MAX_DB_CONNECTIONS=${MAX_DB_CONNECTIONS:-200}
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register_database postgresql
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# Functions
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# ---------
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function get_database_type_postgresql {
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echo postgresql
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}
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# Get rid of everything enough to cleanly change database backends
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function cleanup_database_postgresql {
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stop_service postgresql
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if is_ubuntu; then
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# Get ruthless with mysql
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apt_get purge -y postgresql*
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return
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elif is_fedora || is_suse; then
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uninstall_package postgresql-server
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else
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return
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fi
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}
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function recreate_database_postgresql {
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local db=$1
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# Avoid unsightly error when calling dropdb when the database doesn't exist
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psql -h$DATABASE_HOST -U$DATABASE_USER -dtemplate1 -c "DROP DATABASE IF EXISTS $db"
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createdb -h $DATABASE_HOST -U$DATABASE_USER -l C -T template0 -E utf8 $db
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}
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function configure_database_postgresql {
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local pg_conf pg_dir pg_hba check_role version
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echo_summary "Configuring and starting PostgreSQL"
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if is_fedora; then
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pg_hba=/var/lib/pgsql/data/pg_hba.conf
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pg_conf=/var/lib/pgsql/data/postgresql.conf
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if ! sudo [ -e $pg_hba ]; then
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sudo postgresql-setup initdb
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fi
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elif is_ubuntu; then
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version=`psql --version | cut -d ' ' -f3 | cut -d. -f1-2`
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if vercmp $version '>=' 9.3; then
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if [ -z "`pg_lsclusters -h`" ]; then
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echo 'No PostgreSQL clusters exist; will create one'
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sudo pg_createcluster $version main --start
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fi
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fi
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pg_dir=`find /etc/postgresql -name pg_hba.conf|xargs dirname`
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pg_hba=$pg_dir/pg_hba.conf
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pg_conf=$pg_dir/postgresql.conf
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elif is_suse; then
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pg_hba=/var/lib/pgsql/data/pg_hba.conf
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pg_conf=/var/lib/pgsql/data/postgresql.conf
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# initdb is called when postgresql is first started
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sudo [ -e $pg_hba ] || start_service postgresql
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else
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exit_distro_not_supported "postgresql configuration"
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fi
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# Listen on all addresses
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sudo sed -i "/listen_addresses/s/.*/listen_addresses = '*'/" $pg_conf
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# Set max_connections
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sudo sed -i "/max_connections/s/.*/max_connections = $MAX_DB_CONNECTIONS/" $pg_conf
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# Do password auth from all IPv4 clients
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sudo sed -i "/^host/s/all\s\+127.0.0.1\/32\s\+ident/$DATABASE_USER\t0.0.0.0\/0\tpassword/" $pg_hba
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# Do password auth for all IPv6 clients
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sudo sed -i "/^host/s/all\s\+::1\/128\s\+ident/$DATABASE_USER\t::0\/0\tpassword/" $pg_hba
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restart_service postgresql
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# Create the role if it's not here or else alter it.
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check_role=$(sudo -u root sudo -u postgres -i psql -t -c "SELECT 'HERE' from pg_roles where rolname='$DATABASE_USER'")
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if [[ ${check_role} == *HERE ]];then
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sudo -u root sudo -u postgres -i psql -c "ALTER ROLE $DATABASE_USER WITH SUPERUSER LOGIN PASSWORD '$DATABASE_PASSWORD'"
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else
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sudo -u root sudo -u postgres -i psql -c "CREATE ROLE $DATABASE_USER WITH SUPERUSER LOGIN PASSWORD '$DATABASE_PASSWORD'"
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fi
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}
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function install_database_postgresql {
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echo_summary "Installing postgresql"
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deprecated "Use of postgresql in devstack is deprecated, and will be removed during the Pike cycle"
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local pgpass=$HOME/.pgpass
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if [[ ! -e $pgpass ]]; then
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cat <<EOF > $pgpass
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*:*:*:$DATABASE_USER:$DATABASE_PASSWORD
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EOF
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chmod 0600 $pgpass
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else
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sed -i "s/:root:\w\+/:root:$DATABASE_PASSWORD/" $pgpass
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fi
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if is_ubuntu; then
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install_package postgresql
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elif is_fedora || is_suse; then
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install_package postgresql-server
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if is_fedora; then
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sudo systemctl enable postgresql
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fi
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else
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exit_distro_not_supported "postgresql installation"
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fi
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}
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function install_database_python_postgresql {
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# Install Python client module
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pip_install_gr psycopg2
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ADDITIONAL_VENV_PACKAGES+=",psycopg2"
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}
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function database_connection_url_postgresql {
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local db=$1
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echo "$BASE_SQL_CONN/$db?client_encoding=utf8"
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}
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# Restore xtrace
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$_XTRACE_PG
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# Local variables:
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# mode: shell-script
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# End:
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