devstack/lib/databases/postgresql
Chmouel Boudjnah 00b434182e Handle more nicely when role root is already here
When using postgresql we were handling the fallback if the role root was
already here but this was still printing an error message, try to make
it a bit smarter.

Closes-Bug: #1265477
Change-Id: Ib3768dd182ab968e81038f900550f641b9a2af5c
2014-01-02 10:35:12 +00:00

108 lines
3.3 KiB
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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
# Functions
# ---------
# 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/" $PG_HBA
restart_service postgresql
# Create the role if it's not here or else alter it.
root_roles=$(sudo -u root sudo -u postgres -i psql -t -c "SELECT 'HERE' from pg_roles where rolname='root'")
if [[ ${root_roles} == *HERE ]];then
sudo -u root sudo -u postgres -i psql -c "ALTER ROLE $DATABASE_USER WITH SUPERUSER LOGIN PASSWORD '$DATABASE_PASSWORD'"
else
sudo -u root sudo -u postgres -i psql -c "CREATE ROLE $DATABASE_USER WITH SUPERUSER LOGIN PASSWORD '$DATABASE_PASSWORD'"
fi
}
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: