Add re-key support for soju and postgresql

- soju: add change-password task so admin password updates on every
  playbook run via sojudb change-password
- postgresql: remove superuser password task — postgres uses peer auth
  (Unix socket), no password needed or desired

1 files changed, 1 insertions, 0 deletions

diff --git a/postgresql/tasks/main.yaml b/postgresql/tasks/main.yaml
index 6efa491..865f111 100644
--- a/postgresql/tasks/main.yaml
+++ b/postgresql/tasks/main.yaml
@@ -36,3 +36,4 @@
 - name: ensure postgresql is started
   become: yes
   systemd: name="postgresql" enabled="yes" state="started"
+