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panos

Manage Palo Alto firewalls
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29,145 downloads

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Version information

  • 2.0.0 (latest)
  • 1.2.1
  • 1.2.0
  • 1.1.0
  • 1.0.0
  • 0.2.0
  • 0.1.0
released Jul 20th 2021
This version is compatible with:
  • Puppet Enterprise 2023.2.x, 2023.1.x, 2023.0.x, 2021.7.x, 2021.6.x, 2021.5.x, 2021.4.x, 2021.3.x, 2021.2.x, 2021.1.x, 2021.0.x, 2019.8.x, 2019.7.x, 2019.5.x, 2019.4.x, 2019.3.x, 2019.2.x, 2019.1.x, 2019.0.x
  • Puppet >= 6.0.0 < 8.0.0
Tasks:
  • apikey
  • commit
  • set_config
  • store_config

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'puppetlabs-panos', '2.0.0'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add puppetlabs-panos
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install puppetlabs-panos --version 2.0.0

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.

Download
Tags: firewall, network, panos, palo

Documentation

puppetlabs/panos — version 2.0.0 Jul 20th 2021

panos Build Status

Table of Contents

  1. Module Description - What the module does and why it is useful
  2. Setup - The basics of getting started with PANOS
  3. Usage - Configuration options and additional functionality
  4. Reference - An under-the-hood peek at what the module is doing and how
  5. Limitations - OS compatibility, etc.
  6. Development - Guide for contributing to the module

Module Description

The PANOS module configures Palo Alto firewalls running PANOS 7.1.0 or PANOS 8.1.0.

When committing changes to resources, include panos_commit in your manifest, or execute the commit task. You must do this before they can be made available to the running configuration.

The module provides a Puppet task to manually commit, store_config to a file, and set_config from a file.

Setup

Install the module on either a Puppet server or Puppet agent, by running puppet module install puppetlabs-panos. To install from source, download the tar file from GitHub and run puppet module install <file_name>.tar.gz --force.

This module installs the Builder and Puppet Resource API gems, if necessary. To activate the Puppet Resource API gem on the server, reload the puppetserver service. In most cases, this happens automatically and causes little to no interruption to service.

Setup Requirements

Device access

The PANOS module requires access to the device's web management interface.

Proxy Puppet agent

Since a Puppet agent is not available for Palo Alto devices, we need a proxy Puppet agent (either a compile server, or another agent) to run Puppet on behalf of the device.

Install dependencies

Once the module has been installed, install dependencies of the module:

  1. Classify or apply the panos class on each server (server of servers, and if present, compile servers and replica server) that serves catalogs for this module.
  2. Classify or apply the panos class on each proxy Puppet agent that proxies for Palo Alto devices.

Run puppet agent -t on the server(s) before using the module on the agent(s).

Getting started with PANOS

To get started, create or edit /etc/puppetlabs/puppet/device.conf on the proxy Puppet agent, add a section for the device (this will become the device's certname), specify a type of panos, and specify a url to a credentials file.

For example:

[firewall.example.com]
type panos
url file:////etc/puppetlabs/puppet/devices/firewall.example.com.conf

Next, create a credentials file. See the HOCON documentation for information on quoted/unquoted strings and connecting the device.

There are two valid types of credential files that can be placed in /etc/puppetlabs/puppet/devices/firewall.example.com.conf:

  • (a) A file containing the host, username and password in plain text, for example:
    host: 10.0.10.20
user: admin
password: admin
ssl: false
  • (b) A file containing the host and an API key obtained from the device, for example:
    host: 10.0.10.20
apikey: LUFRPT10cHhRNXMyR2wrYW1MSzg5cldhNElodmVkL1U9OEV1cGY5ZjJyc2xGL1Z4Qk9TNFM2dz09
ssl: false

To obtain an API key for the device, it is possible to use the panos::apikey task. Before running this task, install the module on your machine, along with Puppet Bolt. When complete, execute the following command:

bolt task run panos::apikey --nodes pan --modulepath <module_installation_dir> --inventoryfile <inventory_yaml_path>

The following inventory file can be used to connect to your firewall.

# inventory.yaml
nodes:
  - name: firewall.example.com
    alias: pan
    config:
      transport: remote
      remote:
        remote-transport: panos
        user: admin
        password: admin
        ssl: false

The --modulepath param can be retrieved by typing puppet config print modulepath.

Test your setup and get the certificate signed:

puppet device --verbose --target firewall.example.com

This will sign the certificate and set up the device for Puppet.

For more information, see the puppet device documentation

To get more practice using PANOS, try out the hands-on labs.

SSL Certificate Verification

To configure SSL certificate verification, add the following ssl keys to your credentials file:

  • ssl: to enable SSL verification. Valid options are false, where no certificate verification happens but HTTPS is still used, or true, where certificate verification occurs. It defaults to true.
  • ssl_ca_file: the full path to a CA certificate in PEM format. The certificate of the target needs to be signed by this CA. The file needs to exist on the proxy agent's local file system. Only one of ssl_ca_file and ssl_fingerprint can be provided. Example: '/etc/ssl/certs/Go_Daddy_Root_Certificate_Authority_-_G2.pem'. Alternatively it will use the certs in OpenSSL::X509::DEFAULT_CERT_FILE, e.g.:

ruby -ropenssl -e 'puts OpenSSL::X509::DEFAULT_CERT_FILE' if no ssl.ca_file is provided

  • ssl_fingerprint: a string specifying the SHA256 fingerprint of the firewall's certificate in hex notation. This can be generated by openssl x509 -sha256 -fingerprint -noout -in cert.pem or seen in your browser's SSL certificate information. Only one of ssl_ca_file and ssl_fingerprint can be provided. Example: '9A:6E:C0:12:E1:A7:DA:9D:BE:34:19:4D:47:8A:D7:C0:DB:18:22:FB:07:1D:F1:29:81:49:6E:D1:04:38:41:13'
  • ssl_ciphers: array specifying the allowed ciphers for the connection, a list of supported ciphers can be displayed by executing ruby -ropenssl -e 'puts OpenSSL::Cipher.ciphers', for more details refer to the OpenSSL docs on ciphers.
  • ssl_version: a string representing the ssl version, e.g. SSLv23 is the default, alternatively the following can be specified:
TLSv1
TLSv1_1
TLSv1_2

For more information refer to the OpenSSL docs.

NOTE: Although not advisable, you can turn off SSL by setting ssl: false. In doing so you increase the risk of your firewall configuration being hijacked by a potential attacker.

host: 10.0.10.20
username: admin
password: admin
ssl_ciphers: [ECDHE-ECDSA-AES128-GCM-SHA256, ECDHE-RSA-AES128-GCM-SHA256, ECDHE-ECDSA-AES256-GCM-SHA384, ECDHE-RSA-AES256-GCM-SHA384, AES256-GCM-SHA384]
ssl: true
ssl_version: SSLv23
ssl_fingerprint: "EA:21:E5:8F:13:98:73:DB:A6:25:0D:10:1A:08:57:55:34:B4:2C:A8:73:B9:CE:DC:96:4A:74:70:14:A0:7B:6D"

Usage

Now you can manage resources on the Palo Alto device. The module gives you access to various resources on the Palo Alto device, listed in the REFERENCE.md.

The repo's acceptance test examples contain a useful reference on the use of the module's Types.

Note: pw_hash function in the above example requires puppetlabs-stdlib

Puppet Device

To get information from the device, use the puppet device --resource command. For example, to retrieve addresses on the device, run the following:

puppet device --resource --target firewall.example.com panos_address

To create a new address, write a manifest. Start by making a file named manifest.pp with the following content:

panos_address { 'somenewaddress':
  ensure => 'present',
  ip_range => '10.0.0.1-10.0.0.5',
  tags => [],
}

Execute the following command:

puppet device --target firewall.example.com --apply manifest.pp

This will apply the manifest. Puppet will check if the address already exists and if it is absent it will create it (idempotency check). When you query for addresses you will see that the new address is available. To do this, run the following command again:

puppet device --resource --target firewall.example.com panos_address

Note that if you get errors, run the above commands with --verbose - this will give you error message output.

Reference

For full type reference documentation, see the REFERENCE.md

Limitations

This module has only been tested with PANOS 7.1.0 and 8.1.0

Development

Contributions are welcome, especially if they can be of use to other users.

Checkout the repo by forking and creating your feature branch.

Type

Add new types to the type directory. We use the Resource API format.

These PANOS types extend the Resource API by adding in xpath values, which are used by their respective providers when retireving data from the PANOS API. If the attribute expects multiple values to be returned, it will declare xpath_array.

Here is a simple example:

  require 'puppet/resource_api'

  Puppet::ResourceApi.register_type(
    name: 'new_thing',
    docs: 'Configure the new thing of the device',
    features: ['remote_resource'],
    base_xpath: 'some/xapth/to/the/type',
    attributes: {
      ensure:       {
        type:       'Enum[present, absent]',
        desc:       'Whether the new thing should be present or absent on the target system.',
        default:    'present',
      },
      name:         {
        type:      'String',
        desc:      'The name of the new thing',
        xpath:     'some/xapth/to/the/type',
        behaviour: :namevar,
      },
      # Other fields in resource API format
    },
  )

Provider

Add a provider — see existing examples. Parsing logic is contained in each types respective provider directory with a common base provider available.

Testing

There are two levels of testing found under spec.

To test this module you will need to have a Palo Alto machine available. The virtual machine images from their support area work fine in VirtualBox and VMware. Alternatively you can use the PAYG offering on AWS. Note that the VMs do not need to have license deployed that is usable for development.

Unit Testing

Unit tests test the parsing and command generation logic, executed locally.

First execute bundle exec rake spec_prep to ensure that the local types are made available to the spec tests. Then execute with bundle exec rake spec.

Acceptance Testing

Acceptance tests are executed on actual devices.

Use test values and make sure that these are non-destructive.

The acceptance tests locate the Palo Alto box that is used for testing through environment variables. The current test setup allows for three different scenarios:

  • Static configuration: the VM or physical box is already running somewhere. Set PANOS_TEST_HOST to the FQDN/IP of the box and PANOS_TEST_PLATFORM to a platform string in the form of palo-alto-VERSION-x86_64.
  • VMPooler: if you have a VMPooler instance available, set VMPOOLER_HOST to the hostname of your VMPooler instance (it defaults to Puppet's internal service), and PANOS_TEST_PLATFORM to the platform string of VMPooler you want to use.
  • ABS: when running on Puppet's internal infrastructure, it passes reserved instances into the job through ABS_RESOURCE_HOSTS.

To specify the username and password used to connect to the box, set PANOS_TEST_USER and PANOS_TEST_PASSWORD respectively. Palo Alto's VMs default to admin/admin, which is also used as a default, if you don't specify anything.

After you have configured the system under test, you can run the acceptance tests directly using:

bundle exec rspec spec/acceptance

or using the legacy rake task

bundle exec rake beaker

Cutting a release

To cut a new release, from a current main checkout:

bundle exec rake 'strings:generate[,,,,,REFERENCE.md,true]'
  • Make sure that all PRs are tagged appropriately