From 0b5c1754adba9d7e9eed0ef4f8925bb410c40ff2 Mon Sep 17 00:00:00 2001 From: Adrien Waksberg Date: Sat, 11 Sep 2021 18:52:14 +0200 Subject: [PATCH] first version --- .gitignore | 2 + .yamllint | 12 ++ CHANGELOG.md | 8 + LICENSE | 201 +++++++++++++++++++++++++ README.md | 74 +++++++++ defaults/main.yml | 12 ++ handlers/main.yml | 5 + meta/main.yml | 22 +++ molecule/default/converge.yml | 17 +++ molecule/default/molecule.yml | 26 ++++ molecule/default/tests/test_default.py | 40 +++++ tasks/main.yml | 33 ++++ templates/ipsec.conf.j2 | 24 +++ templates/ipsec.secrets.j2 | 5 + 14 files changed, 481 insertions(+) create mode 100644 .gitignore create mode 100644 .yamllint create mode 100644 CHANGELOG.md create mode 100644 LICENSE create mode 100644 README.md create mode 100644 defaults/main.yml create mode 100644 handlers/main.yml create mode 100644 meta/main.yml create mode 100644 molecule/default/converge.yml create mode 100644 molecule/default/molecule.yml create mode 100644 molecule/default/tests/test_default.py create mode 100644 tasks/main.yml create mode 100644 templates/ipsec.conf.j2 create mode 100644 templates/ipsec.secrets.j2 diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..1331d18 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.kitchen/* +*.pyc diff --git a/.yamllint b/.yamllint new file mode 100644 index 0000000..5465b58 --- /dev/null +++ b/.yamllint @@ -0,0 +1,12 @@ +--- +extends: default + +ignore: | + .kitchen/* + vendor/ + +rules: + line-length: + max: 120 + level: warning + truthy: false diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..016b6d1 --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,8 @@ +# CHANGELOG + +This project adheres to [Semantic Versioning](http://semver.org/). +Which is based on [Keep A Changelog](http://keepachangelog.com/) + +## [Unreleased] + +- first version diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..e912bb1 --- /dev/null +++ b/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright 2021 Adrien Waksberg + + 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. diff --git a/README.md b/README.md new file mode 100644 index 0000000..86e89b0 --- /dev/null +++ b/README.md @@ -0,0 +1,74 @@ +# Ansible role: Strongswan + +[![License](https://img.shields.io/badge/license-Apache--2.0-blue.svg)](https://git.yaegashi.fr/nishiki/ansible-role-strongswan/src/branch/master/LICENSE) + +Install and configure a IPSEC server with strongswan + +## Requirements + +* Ansible >= 2.9 +* Debian + * Buster + * Bullseye + +## Role variables + +- `strongswan_default_config` - set the default connection config + +``` + type: tunnel + auto: start + keyexchange: ikev1 + authby: secret + ike: aes256-sha256-modp2048 + esp: aes256-sha256-modp2048 + ikelifetime: 10800s + lifetime: 3600s + aggressive: false +``` + +`strongswan_connections` - hash with the IPSEC connections + +``` + test-ipsec: + left: 192.168.0.1 + leftsubnet: 10.0.0.0/24 + right: 192.168.0.2 + rightsubnet: 10.1.0.0/24 + psk: secret +``` + +## How to use + +``` +- hosts: server + roles: + - strongswan +``` + +## Development + +### Test with molecule and docker + +* install [docker](https://docs.docker.com/engine/installation/) +* install `python3` and `python3-pip` +* install molecule and dependencies `pip3 install molecule molecule-docker docker ansible-lint pytest-testinfra yamllint` +* run `molecule test` + +## License + +``` +Copyright (c) 2021 Adrien Waksberg + +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. +``` diff --git a/defaults/main.yml b/defaults/main.yml new file mode 100644 index 0000000..9ce974d --- /dev/null +++ b/defaults/main.yml @@ -0,0 +1,12 @@ +--- +strongswan_default_config: + type: tunnel + auto: start + keyexchange: ikev1 + authby: secret + ike: aes256-sha256-modp2048 + esp: aes256-sha256-modp2048 + ikelifetime: 10800s + lifetime: 3600s + aggressive: false +strongswan_connections: {} diff --git a/handlers/main.yml b/handlers/main.yml new file mode 100644 index 0000000..2839d4c --- /dev/null +++ b/handlers/main.yml @@ -0,0 +1,5 @@ +--- +- name: restart strongswan + ansible.builtin.service: + name: ipsec + state: restarted diff --git a/meta/main.yml b/meta/main.yml new file mode 100644 index 0000000..1e44a95 --- /dev/null +++ b/meta/main.yml @@ -0,0 +1,22 @@ +--- +galaxy_info: + role_name: strongswan + author: Adrien Waksberg + company: Adrien Waksberg + description: Install and configure an IPSEC server with strongswan + license: nolicense + min_ansible_version: 2.10 + + platforms: + - name: Debian + versions: + - buster + - bullseye + + galaxy_tags: + - strongswan + - ipsec + - tunnel + - vpn + +dependencies: [] diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml new file mode 100644 index 0000000..ba97060 --- /dev/null +++ b/molecule/default/converge.yml @@ -0,0 +1,17 @@ +--- +- name: Converge + hosts: all + roles: + - ansible-role-strongswan + vars: + strongswan_connections: + test-ipsec: + left: '{{ ansible_all_ipv4_addresses[0] }}' + leftsubnet: 10.0.0.0/24 + right: 192.168.0.2 + rightsubnet: 10.1.0.0/24 + psk: secret + pre_tasks: + - name: update apt cache + ansible.builtin.apt: + update_cache: true diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml new file mode 100644 index 0000000..34a7613 --- /dev/null +++ b/molecule/default/molecule.yml @@ -0,0 +1,26 @@ +--- +driver: + name: docker +platforms: + - name: debian11 + image: nishiki/debian11:molecule + privileged: true + volumes: + - /sys/fs/cgroup:/sys/fs/cgroup:ro + command: /lib/systemd/systemd + capabilities: + - SYS_ADMIN + - name: debian10 + image: nishiki/debian10:molecule + privileged: true + volumes: + - /sys/fs/cgroup:/sys/fs/cgroup:ro + command: /lib/systemd/systemd + capabilities: + - SYS_ADMIN +lint: | + set -e + yamllint . + ansible-lint . +verifier: + name: testinfra diff --git a/molecule/default/tests/test_default.py b/molecule/default/tests/test_default.py new file mode 100644 index 0000000..ea5b4fa --- /dev/null +++ b/molecule/default/tests/test_default.py @@ -0,0 +1,40 @@ +import testinfra.utils.ansible_runner + +def test_packages(host): + package = host.package('strongswan') + assert package.is_installed + +def test_config_file(host): + config = host.file('/etc/ipsec.conf') + assert config.exists + assert config.is_file + assert config.user == 'root' + assert config.group == 'root' + assert config.mode == 0o644 + assert config.contains('aggressive=no') + assert config.contains('ikelifetime=10800s') + assert config.contains('conn test-ipsec') + assert config.contains('right=192.168.0.2') + +def test_secret_file(host): + config = host.file('/etc/ipsec.secrets') + assert config.exists + assert config.is_file + assert config.user == 'root' + assert config.group == 'root' + assert config.mode == 0o600 + assert config.contains(' 192.168.0.2 : PSK "secret"') + +def test_service(host): + service = host.service('ipsec') + assert service.is_running + assert service.is_enabled + +def test_socket(host): + socket = host.socket('udp://0.0.0.0:500') + assert socket.is_listening + +def test_ipsec(host): + cmd = host.run('ipsec status test-ipsec') + assert cmd.succeeded + assert 'no match' not in cmd.stdout diff --git a/tasks/main.yml b/tasks/main.yml new file mode 100644 index 0000000..ace36eb --- /dev/null +++ b/tasks/main.yml @@ -0,0 +1,33 @@ +--- +- name: install package + ansible.builtin.package: + name: + - strongswan + tags: strongswan + +- name: copy configuration + ansible.builtin.template: + src: ipsec.conf.j2 + dest: /etc/ipsec.conf + owner: root + group: root + mode: 0644 + notify: restart strongswan + tags: strongswan + +- name: copy secret configuration + ansible.builtin.template: + src: ipsec.secrets.j2 + dest: /etc/ipsec.secrets + owner: root + group: root + mode: 0600 + notify: restart strongswan + tags: strongswan + +- name: enable and start service + ansible.builtin.service: + name: ipsec + enabled: true + state: started + tags: strongswan diff --git a/templates/ipsec.conf.j2 b/templates/ipsec.conf.j2 new file mode 100644 index 0000000..7887d26 --- /dev/null +++ b/templates/ipsec.conf.j2 @@ -0,0 +1,24 @@ +# {{ ansible_managed }} + +config setup + charondebug=all + +conn %default +{% for default_option, default_value in strongswan_default_config.items() %} + {{ default_option }}={% if default_value is sameas true %}yes +{% elif default_value is sameas false %}no +{% else %}{{ default_value }} +{% endif %} +{% endfor %} +{% for conn_name, conn_options in strongswan_connections.items() %} + +conn {{ conn_name }} +{% for conn_option, conn_value in conn_options.items() %} +{% if conn_option != 'psk' %} + {{ conn_option }}={% if conn_value is sameas true %}yes +{% elif conn_value is sameas false %}no +{% else %}{{ conn_value }} +{% endif %} +{% endif %} +{% endfor %} +{% endfor %} diff --git a/templates/ipsec.secrets.j2 b/templates/ipsec.secrets.j2 new file mode 100644 index 0000000..b6fb6b4 --- /dev/null +++ b/templates/ipsec.secrets.j2 @@ -0,0 +1,5 @@ +# {{ ansible_managed }} + +{% for conn_value in strongswan_connections.values() %} +{{ conn_value.left }} {{ conn_value.right }} : PSK "{{ conn_value.psk }}" +{% endfor %}