Fix chronyd_or_ntpd_set_maxpoll remediation when /etc/chrony.d is missing

Both bash and Ansible remediation scripts failed when /etc/chrony.d directory
doesn't exist, which happens on systems using chrony-dhcp (e.g., ppc64le
systems in Testing Farm).

Bash remediation:
- Add directory existence check before running find
- Remove product-specific branching and unify code path
- Initialize empty array if directory is missing

Ansible remediation:
- Add stat task to check directory existence before find
- Only run find when directory exists and is a directory
- Use 'default([])' for safe variable handling
- Check variable is defined before accessing .matched

Fixes #14541

Author: ggbecker

linux_os/guide/services/ntp/chronyd_or_ntpd_set_maxpoll/ansible/shared.yml

@@ -48,25 +48,31 @@
     replace: '\1 maxpoll {{ var_time_service_set_maxpoll }}\n'
   when: chrony_conf_exist_result.stat.exists
 
+- name: "{{{ rule_title }}} - Check That {{{ chrony_d_path }}} Exist"
+  ansible.builtin.stat:
+    path: "{{{ chrony_d_path }}}"
+  register: chrony_d_path_exists
+
 - name: "{{{ rule_title }}} - Get Conf Files from {{{ chrony_d_path }}}"
   ansible.builtin.find:
     path: "{{{ chrony_d_path }}}"
     patterns: '*.conf'
     file_type: file
   register: chrony_d_conf_files
+  when: chrony_d_path_exists.stat.exists and chrony_d_path_exists.stat.isdir
 
 - name: "{{{ rule_title }}} - Update the maxpoll Values in {{{ chrony_d_path }}}"
   ansible.builtin.replace:
     path: "{{ item.path }}"
     regexp: '^((?:server|pool|peer).*maxpoll)[ ]+[0-9,-]+(.*)$'
     replace: '\1 {{ var_time_service_set_maxpoll }}\2'
-  loop: '{{ chrony_d_conf_files.files }}'
-  when: chrony_d_conf_files.matched
+  loop: '{{ chrony_d_conf_files.files | default([]) }}'
+  when: chrony_d_conf_files is defined and chrony_d_conf_files.matched
 
 - name: "{{{ rule_title }}} - Set the maxpoll Values in {{{ chrony_d_path }}}"
   ansible.builtin.replace:
     path: "{{ item.path }}"
     regexp: '(^(?:server|pool|peer)\s+((?!maxpoll).)*)$'
     replace: '\1 maxpoll {{ var_time_service_set_maxpoll }}\n'
-  loop: '{{ chrony_d_conf_files.files }}'
-  when: chrony_d_conf_files.matched
+  loop: '{{ chrony_d_conf_files.files | default([]) }}'
+  when: chrony_d_conf_files is defined and chrony_d_conf_files.matched

linux_os/guide/services/ntp/chronyd_or_ntpd_set_maxpoll/bash/shared.sh

@@ -12,11 +12,11 @@ pof="/usr/sbin/pidof"
 CONFIG_FILES="/etc/ntp.conf"
 $pof ntpd || {
     CHRONY_D_PATH={{{ chrony_d_path }}}
-    {{% if 'slmicro' in product %}}
-    mapfile -t CONFIG_FILES < <(find ${CHRONY_D_PATH} -type f -name '*.conf')
-    {{% else %}}
-    mapfile -t CONFIG_FILES < <(find ${CHRONY_D_PATH}.* -type f -name '*.conf')
-    {{% endif %}}
+    if [ -d "${CHRONY_D_PATH}" ]; then
+        mapfile -t CONFIG_FILES < <(find ${CHRONY_D_PATH} -type f -name '*.conf')
+    else
+        CONFIG_FILES=()
+    fi
     CONFIG_FILES+=({{{ chrony_conf_path }}})
 }