Set postgresql password encryption for FIPS compliance

This is part of the work to add jobs which confirm ironic works with
FIPS enabled, but this change is also appropriate non-FIPS jobs.

Change-Id: I4af4e811104088d28d7be6df53c26e72db039e08

tools/test-setup.sh

@@ -48,9 +48,25 @@ DB_ROOT_PW=${POSTGRES_ROOT_PW:-insecure_slave}
 # which it can't when executed as the postgres user, which is required
 # as same user as process for initial administrative authentication to
 # the postgres database
-
 cd /tmp
 
+# Identify and update the postgres hba file which can be in
+# a version specific path.
+PG_HBA=$(sudo -H -u postgres psql -t -c "show hba_file")
+PG_CONF=$(sudo -H -u postgres psql -t -c "show config_file")
+
+# setup postgres encryption algorithm and authentication
+sudo sed -i 's/ident$/scram-sha-256/g' $PG_HBA
+sudo sed -i 's/md5$/scram-sha-256/g' $PG_HBA
+sudo sed -i 's/^.*password_encryption =.*/password_encryption = scram-sha-256/' $PG_CONF
+
+sudo cat $PG_HBA
+sudo cat $PG_CONF
+
+# restart postgres fo new HBA file is loaded
+sudo systemctl stop postgresql || true
+sudo systemctl start postgresql || true
+
 # Setup user
 root_roles=$(sudo -H -u postgres psql -t -c "
     SELECT 'HERE' from pg_roles where rolname='$DB_USER'")
@@ -60,15 +76,6 @@ else
     sudo -H -u postgres psql -c "CREATE ROLE $DB_USER WITH SUPERUSER LOGIN PASSWORD '$DB_PW'"
 fi
 
-# Identify and update the postgres hba file which can be in
-# a version specific path.
-PG_HBA=$(sudo -H -u postgres psql -t -c "show hba_file")
-sudo sed -i 's/ident/trust/g' $PG_HBA
-sudo cat $PG_HBA
-# restart postgres fo new HBA file is loaded and our user trusted.
-sudo systemctl stop postgresql || true
-sudo systemctl start postgresql || true
-
 # Store password for tests
 cat << EOF > $HOME/.pgpass
 *:*:*:$DB_USER:$DB_PW

zuul.d/ironic-jobs.yaml

@@ -23,7 +23,6 @@
       - ^releasenotes/.*$
       - ^setup.cfg$
       - ^test-requirements.txt$
-      - ^tools/.*$
       - ^tox.ini$
     vars:
       tox_envlist: all