Add iptables role

Until the migration for opendev is finished, should be a few weeks, it
doesn't make sense to create new repos to only be moved. For now, we can
source this code in tree, then properly create a new external repo.

Change-Id: If61428718687b903e4b846e76f07bdd399e22134
Depends-On: https://review.openstack.org/645297
Signed-off-by: Paul Belanger <pabelanger@redhat.com>
changes/32/645232/4
Paul Belanger 4 years ago
parent 9000c5a8c2
commit 0297e898f6
  1. 202
      playbooks/bootstrap/roles/iptables/LICENSE
  2. 41
      playbooks/bootstrap/roles/iptables/README.rst
  3. 8
      playbooks/bootstrap/roles/iptables/bindep.txt
  4. 53
      playbooks/bootstrap/roles/iptables/defaults/main.yaml
  5. 73
      playbooks/bootstrap/roles/iptables/doc/source/conf.py
  6. 1
      playbooks/bootstrap/roles/iptables/doc/source/index.rst
  7. 51
      playbooks/bootstrap/roles/iptables/filter_plugins/getaddrinfo.py
  8. 20
      playbooks/bootstrap/roles/iptables/handlers/main.yaml
  9. 28
      playbooks/bootstrap/roles/iptables/meta/main.yml
  10. 1
      playbooks/bootstrap/roles/iptables/requirements.txt
  11. 23
      playbooks/bootstrap/roles/iptables/setup.cfg
  12. 28
      playbooks/bootstrap/roles/iptables/setup.py
  13. 44
      playbooks/bootstrap/roles/iptables/tasks/config.yaml
  14. 15
      playbooks/bootstrap/roles/iptables/tasks/install.yaml
  15. 24
      playbooks/bootstrap/roles/iptables/tasks/install/package.yaml
  16. 21
      playbooks/bootstrap/roles/iptables/tasks/main.yaml
  17. 27
      playbooks/bootstrap/roles/iptables/tasks/service.yaml
  18. 32
      playbooks/bootstrap/roles/iptables/templates/etc/iptables/rules.v4.j2
  19. 33
      playbooks/bootstrap/roles/iptables/templates/etc/iptables/rules.v6.j2
  20. 3
      playbooks/bootstrap/roles/iptables/test-requirements.txt
  21. 2
      playbooks/bootstrap/roles/iptables/tests/ansible.cfg
  22. 2
      playbooks/bootstrap/roles/iptables/tests/inventory
  23. 38
      playbooks/bootstrap/roles/iptables/tests/test.yaml
  24. 48
      playbooks/bootstrap/roles/iptables/tox.ini
  25. 17
      playbooks/bootstrap/roles/iptables/vars/Debian.yaml
  26. 7
      playbooks/bootstrap/site.yaml

@ -0,0 +1,202 @@
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@ -0,0 +1,41 @@
=====================
ansible-role-iptables
=====================
Ansible role to manage iptables
* License: Apache License, Version 2.0
* Documentation: https://ansible-role-iptables.readthedocs.org
* Source: https://git.openstack.org/cgit/openstack/ansible-role-iptables
* Bugs: https://bugs.launchpad.net/ansible-role-iptables
Description
-----------
iptables is a command line utility for configuring Linux kernel
firewall.
Requirements
------------
Packages
~~~~~~~~
Package repository index files should be up to date before using this role, we
do not manage them.
Role Variables
--------------
Dependencies
------------
Example Playbook
----------------
.. code-block:: yaml
- name: Install iptables
hosts: all
roles:
- ansible-role-iptables

@ -0,0 +1,8 @@
# This is a cross-platform list tracking distribution packages needed by tests;
# see http://docs.openstack.org/infra/bindep/ for additional information.
libffi-dev [platform:dpkg]
libffi-devel [platform:rpm]
libselinux-python [platform:rpm]
libssl-dev [platform:dpkg]
openssl-devel [platform:rpm]

@ -0,0 +1,53 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
# tasks/main.yaml
iptables_task_manager:
- install
- config
- service
# tasks/install.yaml
iptables_package_state: present
iptables_install_method: package
# tasks/config.yaml
iptables_file_configdir_group: root
iptables_file_configdir_mode: 0755
iptables_file_configdir_owner: root
iptables_file_configdir_path: /etc/iptables
iptables_file_ipv4_rules_dest: "{{ iptables_file_configdir_path }}/rules.v4"
iptables_file_ipv4_rules_group: root
iptables_file_ipv4_rules_mode: 0644
iptables_file_ipv4_rules_owner: root
iptables_file_ipv4_rules_src: etc/iptables/rules.v4.j2
iptables_file_ipv6_rules_dest: "{{ iptables_file_configdir_path }}/rules.v6"
iptables_file_ipv6_rules_group: root
iptables_file_ipv6_rules_mode: 0644
iptables_file_ipv6_rules_owner: root
iptables_file_ipv6_rules_src: etc/iptables/rules.v6.j2
iptables_allowed_hosts: []
iptables_public_tcp_ports:
- 22
iptables_public_udp_ports: []
# tasks/service.yaml
iptables_service_iptables_enabled: true
iptables_service_iptables_manage: true
iptables_service_iptables_name: netfilter-persistent
iptables_service_iptables_state: started

@ -0,0 +1,73 @@
# -*- coding: utf-8 -*-
# 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.
import os
import sys
sys.path.insert(0, os.path.abspath('../..'))
# -- General configuration ----------------------------------------------------
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
extensions = [
'sphinx.ext.autodoc',
]
# autodoc generation is a bit aggressive and a nuisance when doing heavy
# text edit cycles.
# execute "export SPHINX_DEBUG=1" in your terminal to disable
# The suffix of source filenames.
source_suffix = '.rst'
# The master toctree document.
master_doc = 'index'
# General information about the project.
project = u'ansible-role-iptables'
copyright = u'2013, OpenStack Foundation'
# If true, '()' will be appended to :func: etc. cross-reference text.
add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
add_module_names = True
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# -- Options for HTML output --------------------------------------------------
# The theme to use for HTML and HTML Help pages. Major themes that come with
# Sphinx are currently 'default' and 'sphinxdoc'.
# html_theme_path = ["."]
# html_theme = '_theme'
# html_static_path = ['static']
# Output file base name for HTML help builder.
htmlhelp_basename = '%sdoc' % project
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title, author, documentclass
# [howto/manual]).
latex_documents = [
('index',
'%s.tex' % project,
u'%s Documentation' % project,
u'OpenStack Foundation', 'manual'),
]
# Example configuration for intersphinx: refer to the Python standard library.
# intersphinx_mapping = {'http://docs.python.org/': None}

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# Copyright (c) 2018 Red Hat, Inc.
#
# 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.
import subprocess
class FilterModule(object):
def dns(self, value, family):
ret = set()
if family == '4':
match = 'has address'
elif family == '6':
match = 'has IPv6 address'
try:
# Note we use 'host' rather than something like
# getaddrinfo so we actually query DNS and don't get any
# local-only results from /etc/hosts
output = subprocess.check_output(
['/usr/bin/host', value], universal_newlines=True)
for line in output.split('\n'):
if match in line:
address = line.split()[-1]
ret.add(address)
except Exception:
return ret
return sorted(ret)
def dns_a(self, value):
return self.dns(value, '4')
def dns_aaaa(self, value):
return self.dns(value, '6')
def filters(self):
return {
'dns_a': self.dns_a,
'dns_aaaa': self.dns_aaaa,
}

@ -0,0 +1,20 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
- name: Reload iptables
become: true
shell: "service {{ iptables_service_iptables_name }} reload"
args:
warn: false
tags: skip_ansible_lint

@ -0,0 +1,28 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
galaxy_info:
author: Paul Belanger
description: |
iptables is a command line utility for configuring Linux kernel
firewall.
company: Red Hat, Inc.
license: Apache
min_ansible_version: 2.0
platforms:
- name: Ubuntu
versions:
- 18.04
galaxy_tags: []
dependencies: []

@ -0,0 +1,23 @@
[metadata]
name = ansible-role-iptables
summary = Ansible role to manage iptables
description-file =
README.rst
author = OpenStack
author-email = openstack-dev@lists.openstack.org
home-page = http://www.openstack.org/
classifier =
Intended Audience :: System Administrators
License :: OSI Approved :: Apache Software License
Operating System :: POSIX :: Linux
[build_sphinx]
source-dir = doc/source
build-dir = doc/build
all_files = 1
[pbr]
warnerrors = True
[wheel]
universal = 1

@ -0,0 +1,28 @@
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
#
# 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.
import setuptools
# In python < 2.7.4, a lazy loading of package `pbr` will break
# setuptools if some other modules registered functions in `atexit`.
# solution from: http://bugs.python.org/issue15881#msg170215
try:
import multiprocessing # noqa
except ImportError:
pass
setuptools.setup(
setup_requires=['pbr'],
pbr=True)

@ -0,0 +1,44 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
- name: Create required directories
become: true
file:
group: "{{ iptables_file_configdir_group }}"
mode: "{{ iptables_file_configdir_mode }}"
owner: "{{ iptables_file_configdir_owner }}"
path: "{{ iptables_file_configdir_path }}"
state: directory
- name: Install ipv4 rules
become: true
template:
dest: "{{ iptables_file_ipv4_rules_dest }}"
group: "{{ iptables_file_ipv4_rules_group }}"
mode: "{{ iptables_file_ipv4_rules_mode }}"
owner: "{{ iptables_file_ipv4_rules_owner }}"
src: "{{ iptables_file_ipv4_rules_src }}"
notify: Reload iptables
register: iptables_file_ipv4_rules
- name: Install ipv6 rules
become: true
template:
dest: "{{ iptables_file_ipv6_rules_dest }}"
group: "{{ iptables_file_ipv6_rules_group }}"
mode: "{{ iptables_file_ipv6_rules_mode }}"
owner: "{{ iptables_file_ipv6_rules_owner }}"
src: "{{ iptables_file_ipv6_rules_src }}"
notify: Reload iptables
register: iptables_file_ipv6_rules

@ -0,0 +1,15 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
- include: "install/{{ iptables_install_method }}.yaml"

@ -0,0 +1,24 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
- name: Define iptables_package_name
set_fact:
iptables_package_name: "{{ __iptables_package_name }}"
when: iptables_package_name is not defined
- name: Ensure iptables is installed
become: true
package:
name: "{{ iptables_package_name }}"
state: "{{ iptables_package_state }}"

@ -0,0 +1,21 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
- name: Include OS-specific variables
include_vars: "{{ ansible_os_family }}.yaml"
- include: "{{ iptables_task }}.yaml"
with_items: "{{ iptables_task_manager }}"
loop_control:
loop_var: iptables_task

@ -0,0 +1,27 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
- name: Define iptables_service_iptables_name
set_fact:
iptables_service_iptables_name: "{{ __iptables_service_iptables_name }}"
when: iptables_service_iptables_name is not defined
- name: Enable iptables service
become: true
service:
enabled: "{{ iptables_service_iptables_enabled }}"
name: "{{ iptables_service_iptables_name }}"
state: "{{ iptables_service_iptables_state }}"
register: iptables_service_iptables
when: iptables_service_iptables_manage

@ -0,0 +1,32 @@
# This file is generated by Ansible
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
#
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -p icmp --icmp-type any -j ACCEPT
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
# Public TCP ports
{% for port in iptables_public_tcp_ports %}
-A INPUT -m state --state NEW -m tcp -p tcp --dport {{ port }} -j ACCEPT
{% endfor %}
# Public UDP ports
{% for port in iptables_public_udp_ports %}
-A INPUT -m state -m udp -p udp --dport {{ port }} -j ACCEPT
{% endfor %}
# Host specific rules
{% for host in iptables_allowed_hosts %}
{% for addr in host.hostname | dns_a %}
-A INPUT {% if host['protocol'] == 'tcp' %}-m state --state NEW {% endif %}-m {{ host['protocol'] }} -p {{ host['protocol'] }} -s {{ addr | ipv4 }} --dport {{ host['port'] }} -j ACCEPT
{% endfor %}
{% endfor %}
-A INPUT -j REJECT --reject-with icmp-host-prohibited
COMMIT

@ -0,0 +1,33 @@
# This file is generated by Ansible
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
#
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -p icmpv6 -j ACCEPT
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
# Public TCP ports
{% for port in iptables_public_tcp_ports %}
-A INPUT -m state --state NEW -m tcp -p tcp --dport {{ port }} -j ACCEPT
{% endfor %}
# Public UDP ports
{% for port in iptables_public_udp_ports %}
-A INPUT -m state -m udp -p udp --dport {{ port }} -j ACCEPT
{% endfor %}
# Host specific rules
{% for host in iptables_allowed_hosts %}
{% for addr in host.hostname | dns_aaaa %}
-A INPUT {% if host['protocol'] == 'tcp' %}-m state --state NEW {% endif %}-m {{ host['protocol'] }} -p {{ host['protocol'] }} -s {{ addr | ipv6 }} --dport {{ host['port'] }} -j ACCEPT
{% endfor %}
{% endfor %}
-A INPUT -j REJECT --reject-with icmp6-adm-prohibited
COMMIT

@ -0,0 +1,3 @@
ansible-lint
hacking<0.11,>=0.10
sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3

@ -0,0 +1,2 @@
[defaults]
roles_path = ../..

@ -0,0 +1,38 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
- hosts: localhost
vars:
rolename: "{{ lookup('pipe', 'pwd') | dirname | basename }}"
pre_tasks:
# Make sure OS does not have a stale package cache.
- name: Update apt cache.
become: true
apt:
update_cache: true
when: ansible_os_family == 'Debian'
roles:
- "{{ rolename }}"
post_tasks:
- name: Assert results are registered
assert:
that:
- iptables_service_iptables
- name: Ensure iptables is running
become: true
shell: /usr/sbin/service iptables status
tags: skip_ansible_lint

@ -0,0 +1,48 @@
[tox]
minversion = 1.4.2
envlist = docs,linters
skipsdist = True
[testenv]
deps = -r{toxinidir}/requirements.txt
-r{toxinidir}/test-requirements.txt
[testenv:functional]
commands =
# NOTE(pabelanger): Because ansible default ansible_user to null now, we need to pass it via CLI.
ansible-playbook -i tests/inventory tests/test.yaml -e ansible_user={env:USER}
passenv =
HOME
USER
setenv =
ANSIBLE_CONFIG = {toxinidir}/tests/ansible.cfg
PYTHONUNBUFFERED = 1
[testenv:docs]
commands = python setup.py build_sphinx
[testenv:venv]
commands = {posargs}
[flake8]
# E123, E125 skipped as they are invalid PEP-8.
show-source = True
ignore = E123,E125
builtins = _
exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build
[testenv:linters]
setenv =
ANSIBLE_CONFIG = tests/ansible.cfg
whitelist_externals = bash
commands =
# PEP8 Lint Check
flake8
# Ansible Lint Check
bash -c "find . -type f -regex '.*.y[a]?ml' -print0 | xargs -t -n1 -0 \
ansible-lint"
# Ansible Syntax Check
bash -c "find tests -type f -regex '.*.y[a]?ml' -print | xargs -t -n1 \
ansible-playbook --syntax-check -i tests/inventory \
-e rolename=$(basename $(pwd)) > /dev/null"

@ -0,0 +1,17 @@
# Copyright 2018 Red Hat, Inc.
#
# 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.
---
__iptables_package_name: iptables-persistent
__iptables_service_iptables_name: netfilter-persistent

@ -36,6 +36,13 @@
include_role:
name: openstack.virtualenv
# NOTE(pabelanger): We currently only support debuntu, this needs to be
# fixed!
- name: Setup iptables role
include_role:
name: iptables
when: ansible_os_family == 'Debian'
- name: Bootstrap bastion hosts
hosts: bastion:!disabled
tasks:

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