feat(unattended): add newer options from upstream

* upstream has new options now included in formula
* updated pillar.example with new options
* inspec tests for this new options are in place

Also:

* tests are included in travis

Signed-off-by: Felipe Zipitria <fzipitria@perceptyx.com>

.travis.yml

     ## Define the rest of the matrix based on Kitchen testing
     # Make sure the instances listed below match up with
     # the `platforms` defined in `kitchen.yml`
-    - env: INSTANCE=repositories-debian-10-master-py3
-    - env: INSTANCE=preferences-debian-10-master-py3
-    # - env: INSTANCE=repositories-ubuntu-1804-master-py3
+    # - env: INSTANCE=repositories-debian-10-master-py3
+    # - env: INSTANCE=preferences-debian-10-master-py3
+    # - env: INSTANCE=unattended-debian-10-master-py3
+    - env: INSTANCE=debian-10-master-py3
+    - env: INSTANCE=repositories-ubuntu-1804-master-py3
     # - env: INSTANCE=preferences-ubuntu-1804-master-py3
-    - env: INSTANCE=repositories-debian-9-2019-2-py3
+    # - env: INSTANCE=unattended-ubuntu-1804-master-py3
+    # - env: INSTANCE=ubuntu-1804-master-py3
+    # - env: INSTANCE=repositories-debian-9-2019-2-py3
     - env: INSTANCE=preferences-debian-9-2019-2-py3
-    - env: INSTANCE=repositories-ubuntu-1804-2019-2-py3
-    - env: INSTANCE=preferences-ubuntu-1804-2019-2-py3
+    # - env: INSTANCE=unattended-debian-9-2019-2-py3
+    # - env: INSTANCE=debian-9-2019-2-py3
+    # - env: INSTANCE=repositories-ubuntu-1804-2019-2-py3
+    # - env: INSTANCE=preferences-ubuntu-1804-2019-2-py3
+    - env: INSTANCE=unattended-ubuntu-1804-2019-2-py3
+    # - env: INSTANCE=ubuntu-1804-2019-2-py3
 
     ## Define the release stage that runs `semantic-release`
     - stage: 'release'

apt/templates/unattended_config.jinja

+########################################################################
+# File managed by Salt at <{{ source }}>.
+# Your changes will be overwritten.
+########################################################################
+
 {% set apt = pillar.get('apt', {}) -%}
 {% set unattended = apt.get('unattended', {}) -%}
 {% set allowed_origins = unattended.get('allowed_origins', ['${distro_id}:${distro_codename}-security']) -%}
 {% set auto_fix_interrupted_dpkg = unattended.get('auto_fix_interrupted_dpkg', 'true') -%}
 {% set minimal_steps = unattended.get('minimal_steps', 'false') -%}
 {% set install_on_shutdown = unattended.get('install_on_shutdown', 'false') -%}
-{% set mail = unattended.get('mail', 'root') -%}
+{% set mail = unattended.get('mail', '') -%}
+{% set sender = unattended.get('sender', 'root') -%}
 {% set mail_only_on_error = unattended.get('mail_only_on_error', 'false') -%}
-{% set remove_unused_dependencies = unattended.get('remove_unused_dependencies', 'true') -%}
+{% set mail_report = unattended.get('mail_report', 'on-change') -%}
+{% if mail_only_on_error -%}
+{%   set mail_report = 'only-on-error' -%}
+{% endif -%}
+{% if mail_report not in ['always', 'only-on-error', 'on-change'] -%}
+{{ raise('apt-formula: mail_report should be one of "always", "only-on-error" or "on-change".') }}
+{% endif -%}
+{% set remove_unused_dependencies = unattended.get('remove_unused_dependencies', 'false') -%}
+{% set remove_new_unused_dependencies = unattended.get('remove_new_unused_dependencies', 'true') -%}
 {% set automatic_reboot = unattended.get('automatic_reboot', 'false') -%}
 {% set automatic_reboot_time = unattended.get('automatic_reboot_time', 'now') -%}
 {% set dl_limit = unattended.get('dl_limit', '0') -%}
+{% set syslog_enable = unattended.get('syslog_enable', 'false') -%}
+{% set syslog_facility = unattended.get('syslog_facility', 'daemon') -%}
+{% set package_whitelist_strict = unattended.get('package_whitelist_strict', 'false') -%}
+{% set keep_debs_after_install = unattended.get('keep_debs_after_install', 'false') -%}
+{% set dpkg_options = unattended.get('dpkg_options', '') -%}
+{% set update_days = unattended.get('update_days', '') -%}
+
 Unattended-Upgrade::Allowed-Origins {
         {%- for pattern in allowed_origins %}
         "{{ pattern }}";
 Unattended-Upgrade::MinimalSteps "{{ minimal_steps }}";
 Unattended-Upgrade::InstallOnShutdown "{{ install_on_shutdown }}";
 Unattended-Upgrade::Mail "{{ mail }}";
-Unattended-Upgrade::MailOnlyOnError "{{ mail_only_on_error }}";
+Unattended-Upgrade::Sender "{{ sender }}";
+Unattended-Upgrade::MailReport "{{ mail_report }}";
 Unattended-Upgrade::Remove-Unused-Dependencies "{{ remove_unused_dependencies }}";
+Unattended-Upgrade::Remove-New-Unused-Dependencies "{{ remove_new_unused_dependencies }}";
 Unattended-Upgrade::Automatic-Reboot "{{ automatic_reboot }}";
 Unattended-Upgrade::Automatic-Reboot-Time "{{ automatic_reboot_time }}";
+Unattended-Upgrade::SyslogEnable "{{ syslog_enable }}";
+Unattended-Upgrade::SyslogFacility "{{ syslog_facility }}";
+Unattended-Upgrade::Keep-Debs-After-Install "{{ keep_debs_after_install }}";
+Unattended-Upgrade::Package-Whitelist-Strict "{{ package_whitelist_strict }}";
+{% if update_days and update_days | is_list -%}
+Unattended-Upgrade::Update-Days {"{{ update_days | join('";"') }}"};
+{% endif -%}
 Acquire::http::Dl-Limit "{{ dl_limit }}";
+{% if dpkg_options -%}
+Dpkg::Options {"{{ dpkg_options }}"};
+{% endif -%}

kitchen.yml

     verifier:
       inspec_tests:
         - path: test/integration/preferences
+  - name: unattended
+    provisioner:
+      state_top:
+        base:
+          '*':
+            - apt.unattended
+      pillars:
+        top.sls:
+          base:
+            '*':
+              - apt
+      pillars_from_files:
+        apt.sls: test/salt/pillar/unattended.pillar.sls
+    verifier:
+      inspec_tests:
+        - path: test/integration/unattended

pillar.example

     minimal_steps: false
     install_on_shutdown: false
     mail: root
-    mail_only_on_error: false
+    sender: root
+    # Prefer using `mail_report: 'only-on-error'` over old syntax,
+    # mail_only_on_error: false`
+    # allowed values: 'always', 'only-on-error', 'on-change'
+    mail_report: 'only-on-error'
     remove_unused_dependencies: true
     automatic_reboot: false
     dl_limit: 0
     unattended_upgrade: 1
     auto_clean_interval: 7
     verbose: 2
+    syslog_enable: true
+    syslog_facility: 'auth'
+    dpkg_options: '--force-confold'
+    update_days: ['Mon', 'Fri']
+    package_whitelist_strict: false
+    keep_debs_after_install: false
 
   listchanges:
     profiles:
       comps: [main, contrib, non-free]
       arch: [amd64, i386]
       type: [binary, source]
+      key_url: https://ftp-master.debian.org/keys/archive-key-10-security.asc
     updates:
       distro: stable-updates
       url: http://deb.debian.org/debian/
       comps: [main, contrib, non-free]
+      key_url: https://ftp-master.debian.org/keys/archive-key-10.asc
     raspbian:
-      distro: wheezy
+      distro: stable
       url: http://archive.raspbian.org/raspbian
       type: [source]
       key_url: https://archive.raspbian.org/raspbian.public.key

test/integration/unattended/README.md

+# InSpec Profile: `unattended`
+
+This shows the implementation of the `unattended` InSpec [profile](https://github.com/inspec/inspec/blob/master/docs/profiles.md).
+
+## Verify a profile
+
+InSpec ships with built-in features to verify a profile structure.
+
+```bash
+$ inspec check unattended
+Summary
+-------
+Location: unattended
+Profile: profile
+Controls: 4
+Timestamp: 2019-06-24T23:09:01+00:00
+Valid: true
+
+Errors
+------
+
+Warnings
+--------
+```
+
+## Execute a profile
+
+To run all **supported** controls on a local machine use `inspec exec /path/to/profile`.
+
+```bash
+$ inspec exec unattended
+..
+
+Finished in 0.0025 seconds (files took 0.12449 seconds to load)
+8 examples, 0 failures
+```
+
+## Execute a specific control from a profile
+
+To run one control from the profile use `inspec exec /path/to/profile --controls name`.
+
+```bash
+$ inspec exec unattended --controls package
+.
+
+Finished in 0.0025 seconds (files took 0.12449 seconds to load)
+1 examples, 0 failures
+```
+
+See an [example control here](https://github.com/inspec/inspec/blob/master/examples/profile/controls/example.rb).

test/integration/unattended/controls/unattended_spec.rb

+# frozen_string_literal: true
+
+audit = command(
+  "/usr/bin/apt-config dump --no-empty --format '%f=%v%n' Unattended-Upgrade"
+).stdout
+
+options = {
+  assignment_regex: /^\s*([^=]*?)\s*=\s*(.*?)\s*$/,
+  multiple_values: true
+}
+
+control 'Apt unattended upgrades' do
+  title 'should be configured'
+
+  describe file('/etc/apt/apt.conf.d/50unattended-upgrades') do
+    it { should be_file }
+    it { should be_owned_by 'root' }
+    it { should be_grouped_into 'root' }
+    its('mode') { should cmp '0644' }
+  end
+
+  describe file('/etc/apt/apt.conf.d/10periodic') do
+    it { should exist }
+    it { should be_owned_by 'root' }
+    it { should be_grouped_into 'root' }
+    its('mode') { should cmp '0644' }
+    its(:content) do
+      should match(
+        'APT::Periodic::Enable "1";'
+      )
+    end
+  end
+
+  describe parse_config(audit, options) do
+    its('Unattended-Upgrade::Allowed-Origins::') { should include 'origin1' }
+    its('Unattended-Upgrade::Mail') { should include 'root' }
+    its('Unattended-Upgrade::MailReport') { should include 'only-on-error' }
+    its('Unattended-Upgrade::Package-Blacklist::') { should include 'salt-test' }
+    its('Unattended-Upgrade::Automatic-Reboot') { should include 'False' }
+    its('Unattended-Upgrade::SyslogEnable') { should include 'True' }
+    its('Unattended-Upgrade::SyslogFacility') { should include 'auth' }
+    its('Unattended-Upgrade::Remove-Unused-Dependencies') { should include 'True' }
+    its('Unattended-Upgrade::Keep-Debs-After-Install') { should include 'False' }
+    its('Unattended-Upgrade::Update-Days::') { should include 'Wed' }
+  end
+end

test/integration/unattended/inspec.yml

+# -*- coding: utf-8 -*-
+# vim: ft=yaml
+---
+name: unattended
+title: apt formula
+maintainer: SaltStack Formulas
+license: Apache-2.0
+summary: Verify that the apt unattended preferences are configured correctly
+supports:
+  - platform-name: debian
+  - platform-name: ubuntu

test/salt/pillar/unattended.pillar.sls

+# -*- coding: utf-8 -*-
+# vim: ft=yaml
+---
+apt:
+  unattended:
+    allowed_origins:
+      - origin1
+    package_blacklist:
+      - salt-test
+    origins_patterns:
+      - origin=SaltStack
+      - origin=Debian,archive=stable,label=Debian-Security
+    auto_fix_interrupted_dpkg: true
+    minimal_steps: false
+    install_on_shutdown: false
+    mail: root
+    sender: root
+    mail_report: 'always'
+    remove_unused_dependencies: true
+    automatic_reboot: false
+    dl_limit: 0
+    enabled: 1
+    update_package_lists: 1
+    download_upgradeable_packages: 1
+    unattended_upgrade: 1
+    auto_clean_interval: 7
+    verbose: 2
+    syslog_enable: true
+    syslog_facility: 'auth'
+    dpkg_options: '--force-confold'
+    update_days: ['Mon', 'Wed']
+    package_whitelist_strict: false
+    keep_debs_after_install: false