Do not log ssh keys by default

This patch adds a no_log clause to tasks that might dump ssh key
information to the ansible logs on deployment. Logging can be re-enabled
by setting hide_sensitive_logs to false.

Related-bug: #1918138
Change-Id: I89dccbac7c450b16956edf6a136aed6f4a21214d

tripleo_ansible/roles/octavia_undercloud/defaults/main.yml

@@ -0,0 +1,19 @@
+---
+# Copyright 2020 Red Hat, Inc.
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+# All variables intended for modification should be placed in this file.
+octavia_undercloud_config_hide_sensitive_logs: "{{ hide_sensitive_logs | default(true) }}"

tripleo_ansible/roles/octavia_undercloud/tasks/main.yml

@@ -62,6 +62,7 @@
     - name: Set final key fact
       set_fact:
         amp_ssh_key_path_final: "{{ ssh_key_tmp_file.path }}"
+  no_log: "{{ octavia_undercloud_config_hide_sensitive_logs | bool }}"
   when:
     - amp_ssh_key_path is not defined or ((amp_ssh_key_path | length) < 1)
 
@@ -69,6 +70,7 @@
   shell: |
     set -o pipefail
     ssh-keygen -E md5 -lf {{ amp_ssh_key_path_final }} | awk '{ print $2 }' | cut -c 5-
+  no_log: "{{ octavia_undercloud_config_hide_sensitive_logs | bool }}"
   register: ssh_keygen_results
 
 - name: Create keypair
@@ -76,6 +78,7 @@
     state: present
     name: "{{ amp_ssh_key_name }}"
     public_key_file: "{{ amp_ssh_key_path_final }}"
+  no_log: "{{ octavia_undercloud_config_hide_sensitive_logs | bool }}"
   register: keypair_fingerprint
   environment:
     OS_USERNAME: "{{ auth_username }}"