Fix mysql database user of ceilometer

And fix a typo.

Change-Id: Iadfa5efd37a48cd0f23ab375da8fa1b65002fec2
Closes-Bug: #1658392

ansible/roles/ceilometer/tasks/bootstrap.yml

@@ -16,7 +16,7 @@
     module_args:
       login_host: "{{ ceilometer_database_mysql_address }}"
       login_port: "{{ ceilometer_database_port }}"
-      login_user: "{{ ceilomter_database_user }}"
+      login_user: "{{ ceilometer_database_user }}"
       login_password: "{{ ceilometer_database_password }}"
       name: "{{ ceilometer_database_name }}"
   register: mysql_access
@@ -61,7 +61,7 @@
     - ceilometer_database_type == "mysql"
     - "'FAILED' in mysql_access.stdout"
 
-# TODO(Jeffrey4l): fix idempotent when ceilomter_database_type == "gnocchi"
+# TODO(Jeffrey4l): fix idempotent when ceilometer_database_type == "gnocchi"
 # NOTE(vbel): bootstrapping of mysql db for ceilometer is idempotent
 - include: bootstrap_service.yml
   when: ((ceilometer_database_type == "mongodb" and mongodb_ceilometer_database.changed)