Add custom configuration for snmpd systemd service

The point is to fix the error message on Debian Buster :
**snmpd[...]: error on subcontainer 'ia_addr' insert (-1)**

CHANGELOG.md

@@ -1,4 +1,4 @@
-## v1.X.Y
+## v1.4.0
 
 ### Fix
 
@@ -8,6 +8,9 @@
 ### Enhancements
 
 * Repository version 10.1.0.0 for Debian Bullseye and Ubuntu Focal.
+* Manage custom configuration for snmpd systemd service on Debian Buster.
+The point is to fix the error message :
+**snmpd[...]: error on subcontainer 'ia_addr' insert (-1)**
 
 ## v1.3.1
 

README.md

@@ -20,6 +20,10 @@ A role to manage OpenManage (via omreport, omconfig,…), it's web interface OMS
 * **openmanage__dep_packages** : List of dependencies packages to be able to run racadm [default : `See default/main.yml`].
 * **openmanage__base_packages** : List of base packages for all racadm base usage [default : `See default/main.yml`].
 * **openmanage__stretch_packages** : List of some packages specific to Debian Stretch (or Ubuntu Xenial) and previous versions [default : `See default/main.yml`].
+* **openmanage__snmpd_service_name** : SNMPD service name to manage [default  : `snmpd`].
+* **openmanage__snmpd_service_enabled** : If the SNMPD service should be enabled at startup [default  : `true`].
+* **openmanage__snmpd_service_override_path** : Path to store SNMPD custom conf [default  : `/etc/systemd/system/snmpd.service.d/override.conf`].
+* **openmanage__snmpd_service_override_content** : Template used to provide systemd custom conf for SNMPD service [default  : `etc/systemd/system/snmpd.service.d/override.conf.j2`].
 * **openmanage__webgui_state** : The desired state for web interface of OMSA [default  : `absent`].
 * **openmanage__webgui_packages** : List of packages to provide web interface to OMSA [default : `See default/main.yml`].
 * **openmanage__webgui_service_name** : Name of the systemd unit to manage web interface [default : `dsm_om_connsvc`].

defaults/main.yml

@@ -140,6 +140,37 @@ openmanage__webgui_packages:
   - 'srvadmin-webserver'
                                                                    # ]]]
 
+                                                                   # ]]]
+# Service management [[[
+# ----------------------
+
+# .. envvar:: openmanage__snmpd_service_name [[[
+#
+# SNMPD service name to manage.
+openmanage__snmpd_service_name: 'snmpd'
+                                                                   # ]]]
+# .. envvar:: openmanage__snmpd_service_enabled [[[
+#
+# If the SNMPD service should be enabled at startup ? Possible options are :
+#
+# ``true``
+#   Default. The service is enabled.
+#
+# ``false``
+#   The service is disabled from startup.
+openmanage__snmpd_service_enabled: true
+                                                                   # ]]]
+# .. envvar:: openmanage__snmpd_service_override_path [[[
+#
+# Path to store SNMPD custom conf.
+openmanage__snmpd_service_override_path: '/etc/systemd/system/snmpd.service.d/override.conf'
+                                                                   # ]]]
+# .. envvar:: openmanage__snmpd_service_override_content [[[
+#
+# Template used to provide systemd custom conf for SNMPD service.
+openmanage__snmpd_service_override_content: 'etc/systemd/system/snmpd.service.d/override.conf.j2'
+                                                                   # ]]]
+
                                                                    # ]]]
 # Web interface [[[
 # -----------------------------

handlers/main.yml

@@ -1,6 +1,17 @@
 ---
 # handlers file for openmanage
 
+- name: Restart snmpd service
+  systemd:
+    daemon_reload: '{{ (openmanage__snmpd_register_systemd_custom.changed | default(False)) }}'
+    state: '{{ "restarted" if (openmanage__snmpd_service_enabled)
+           else "stopped" }}'
+    name: '{{ openmanage__snmpd_service_name }}'
+    enabled: '{{ openmanage__snmpd_service_enabled }}'
+  when:
+    - openmanage__deploy_state == "present"
+    - ansible_service_mgr == 'systemd'
+
 - name: restart dataeng service
   service:
     name: 'dataeng'

meta/main.yml

@@ -4,6 +4,8 @@ dependencies: []
 
 galaxy_info:
   author: "Jérémy Gardais"
+  namespace: ipr-cnrs
+  role_name: openmanage
   description: "Setup Openmanage"
   license: WTFPL
   company: IPR
@@ -12,8 +14,9 @@ galaxy_info:
   platforms:
   - name: Debian
     versions:
-    - stretch
+    - bullseye
     - buster
+    - stretch
   galaxy_tags:
     - system
     - openmanage

tasks/main.yml

@@ -110,6 +110,29 @@
     - (openmanage__deploy_state == "absent")
     - "'srvadmin' in ansible_facts.packages"
 
+# Manage configuration [[[1
+- name: Create SNMPD custom directory for systemd service
+  file:
+    path: "{{ openmanage__snmpd_service_override_path | dirname }}"
+    state: directory
+    mode: '0755'
+  when:
+    - openmanage__deploy_state == "present"
+    - ansible_distribution_release in ["buster"]
+
+- name: Add SNMPD systemd custom configuration
+  template:
+    src: '{{ openmanage__snmpd_service_override_content }}'
+    dest: '{{ openmanage__snmpd_service_override_path }}'
+    owner: 'root'
+    group: 'root'
+    mode: '0644'
+  register: openmanage__snmpd_register_systemd_custom
+  when:
+    - openmanage__deploy_state == "present"
+    - ansible_distribution_release in ["buster"]
+  notify: ['Restart snmpd service']
+
 # Executable [[[1
 ## Fix some permissions
 - name: Ensure Executables can be run

templates/etc/systemd/system/snmpd.service.d/override.conf.j2

@@ -0,0 +1,7 @@
+# {{ ansible_managed }}
+
+[Service]
+# Fix error message: snmpd[...]: error on subcontainer 'ia_addr' insert (-1)
+# By fixing logging options (-Lsd to -LS6d).
+ExecStart=
+ExecStart=/usr/sbin/snmpd -LS6d -Lf /dev/null -u Debian-snmp -g Debian-snmp -I -smux,mteTrigger,mteTriggerConf -f -p /run/snmpd.pid