devstack/lib/databases/postgresql
Sean Dague 584d90ec56 add emacs shell-script tagging
for files that don't start with a #! or end in .sh, the added tags
are nice for emacs users to automatically switch to the right mode.

Change-Id: If4b93e106191bc744ccad8420cef20e751cdf902
2013-03-29 14:36:49 -04:00

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# lib/databases/postgresql
# Functions to control the configuration and operation of the **PostgreSQL** database backend
# Dependencies:
# DATABASE_{HOST,USER,PASSWORD} must be defined
# Save trace setting
PG_XTRACE=$(set +o | grep xtrace)
set +o xtrace
register_database postgresql
# Get rid of everything enough to cleanly change database backends
function cleanup_database_postgresql {
stop_service postgresql
if is_ubuntu; then
# Get ruthless with mysql
sudo aptitude purge -y ~npostgresql
return
elif is_fedora; then
uninstall_package postgresql-server
else
return
fi
}
function recreate_database_postgresql {
local db=$1
local charset=$2
# Avoid unsightly error when calling dropdb when the database doesn't exist
psql -h$DATABASE_HOST -U$DATABASE_USER -dtemplate1 -c "DROP DATABASE IF EXISTS $db"
createdb -h $DATABASE_HOST -U$DATABASE_USER -l C -T template0 -E $charset $db
}
function configure_database_postgresql {
echo_summary "Configuring and starting PostgreSQL"
if is_fedora; then
PG_HBA=/var/lib/pgsql/data/pg_hba.conf
PG_CONF=/var/lib/pgsql/data/postgresql.conf
sudo [ -e $PG_HBA ] || sudo postgresql-setup initdb
elif is_ubuntu; then
PG_DIR=`find /etc/postgresql -name pg_hba.conf|xargs dirname`
PG_HBA=$PG_DIR/pg_hba.conf
PG_CONF=$PG_DIR/postgresql.conf
elif is_suse; then
PG_HBA=/var/lib/pgsql/data/pg_hba.conf
PG_CONF=/var/lib/pgsql/data/postgresql.conf
# initdb is called when postgresql is first started
sudo [ -e $PG_HBA ] || start_service postgresql
else
exit_distro_not_supported "postgresql configuration"
fi
# Listen on all addresses
sudo sed -i "/listen_addresses/s/.*/listen_addresses = '*'/" $PG_CONF
# Do password auth from all IPv4 clients
sudo sed -i "/^host/s/all\s\+127.0.0.1\/32\s\+ident/$DATABASE_USER\t0.0.0.0\/0\tpassword/" $PG_HBA
# Do password auth for all IPv6 clients
sudo sed -i "/^host/s/all\s\+::1\/128\s\+ident/$DATABASE_USER\t::0\/0\tpassword/" $PG_HBA
restart_service postgresql
# If creating the role fails, chances are it already existed. Try to alter it.
sudo -u root sudo -u postgres -i psql -c "CREATE ROLE $DATABASE_USER WITH SUPERUSER LOGIN PASSWORD '$DATABASE_PASSWORD'" || \
sudo -u root sudo -u postgres -i psql -c "ALTER ROLE $DATABASE_USER WITH SUPERUSER LOGIN PASSWORD '$DATABASE_PASSWORD'"
}
function install_database_postgresql {
echo_summary "Installing postgresql"
PGPASS=$HOME/.pgpass
if [[ ! -e $PGPASS ]]; then
cat <<EOF > $PGPASS
*:*:*:$DATABASE_USER:$DATABASE_PASSWORD
EOF
chmod 0600 $PGPASS
else
sed -i "s/:root:\w\+/:root:$DATABASE_PASSWORD/" $PGPASS
fi
if is_ubuntu; then
install_package postgresql
elif is_fedora || is_suse; then
install_package postgresql-server
else
exit_distro_not_supported "postgresql installation"
fi
}
function database_connection_url_postgresql {
local db=$1
echo "$BASE_SQL_CONN/$db?client_encoding=utf8"
}
# Restore xtrace
$PG_XTRACE
# Local variables:
# mode: shell-script
# End: