Infra_mgmt/roles/unattended-upgrades/README.adoc

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= Unattended-upgrades setup
Unattended-upgrades setup role. It also installs and configures Postfix as a SMTP relay in order to send emails when target system needs to be rebooted.
== Requirements
This role was written for Debian (tested on >= 11) and requires root privileges.
== Role Variables
Variables can be found in the link:./defaults/main.yml[default vars file]. As a bare minimum you should configure SMTP credentials.
[source,yaml]
----
upgrades_sender: "{{ ansible_user }}@{{ ansible_hostname }}.lan"
----
Defines which email unattended-upgrades will use to send emails.
[source,yaml]
----
postfix_hostname: "{{ ansible_hostname }}.lan"
----
Configures Postfix hostname.
[source,yaml]
----
smtp_username:
smtp_password:
smtp_port: 587
----
SMTP credentials (required). Port defaults to 587 (STARTTLS).
[source,yaml]
----
relay_servername: "{{ smtp_username | regex_search('(?<=@)(.+)\\.[\\w]+$') }}"
----
SMTP servername, defaults to `smtp_username` domain. If yours differs modify it here.
[source,yaml]
----
custom_smtp_header: false
from_header:
from_email:
----
Customizes SMTP header. Make sure to configure `from_header` (added header) and `from_email` (email address of FROM) correctly if you enable SMTP headers variable.
[source,yaml]
----
smtp_masquerade: false
----
SMTP masquerade allows to replace the FROM statement to the value of `smtp_username`.
[source,yaml]
----
additional_lists: []
----
List of additional sources lists you want to add to unattended-upgrades.
== Dependencies
None.
== Example Playbook
[source,yaml]
----
- name: Deploy automatic upgrades
hosts: all
become: true
vars:
smtp_username: user@domain.com
smtp_password: pa$$word
roles:
- role: 'unattended-upgrades'
----
== License
BSD-3
== Author Information
Role created by https://git.syyrell.com/syrell[syrell].