==============
ANTS Framework
==============
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:target: https://pypi.python.org/pypi/ants_client/
:alt: Latest Version
.. image:: https://img.shields.io/pypi/l/ants_client.svg
:target: https://pypi.python.org/pypi/ants_client/
:alt: License
.. image:: https://pyup.io/repos/github/ANTS-Framework/ants/shield.svg
:target: https://pyup.io/repos/github/ANTS-Framework/ants/
:alt: Updates
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:target: https://pyup.io/repos/github/ANTS-Framework/ants/
:alt: Python 3
ANTS is a framework to manage and apply macOS and Linux host configurations using Ansible Pull.
The ANTS Framework is developed by the Client Services Team of the `University of Basel <https://www.unibas.ch/>`__ `IT Services <https://its.unibas.ch>`__
and released under the `GNU General Public License Version 3 <https://www.gnu.org/licenses/gpl-3.0.en.html>`__.
`Ansible <https://docs.ansible.com/ansible/latest/index.html>`__ is a trademark of `Red Hat, Inc. <https://www.redhat.com>`__
------------
Introduction
------------
The ANTS Framework consists of the following components:
- A wrapper for Ansible-Pull
- An Ansible Dynamic Inventory Script (MS Active Directory Connector)
- A modular collection of roles ready to be used
- Strong logging integration
------------
Requirements
------------
This project assumes that you are familiar with `Ansible <https://www.ansible.com/>`__
, `Git <https://git-scm.com/book/en/v2>`__ and the shell.
---------------
Getting started
---------------
*************************
Installing ants using pip
*************************
- Make sure ``git`` is installed on your machine
- Install the latest ants client using pip: ``pip install ants_client``
- Pip will install the ANTS client with a default configuration and put the executable in your path.
******************************************
Installing ants using macOS .pkg installer
******************************************
- Download the latest .pkg installer from the `releases page <https://github.com/ANTS-Framework/ants/releases/latest>`__.
- Execute the installer. This will take care of all dependencies.
- A launch daemon will be installed, running ``ants`` every 15 minutes. It will trigger after the next restart.
********
Run ants
********
- Open your terminal
- Start an ANTS run by typing ``ants``.
- Wait for ANTS to finish, then open another shell. You will see a new message of the day.
**************
What happened?
**************
Running ANTS with the default configuration will use ansible-pull to clone
`the ANTS playbook <https://github.com/ANTS-Framework/playbook>`__ via https from a github repository and execute an ansible run.
By default, this will generate ``/etc/motd`` to add a message of the day to your macOS or Linux host.
Logs of all the runs are stored at ``/var/log/ants``.
Also by default, ants will add github to your ``known_hosts`` file. This is important for later, when you want to enable git clone
using ssh.
----------------------
Where to go from here?
----------------------
*******************
Look at the options
*******************
Run ``ants -h`` to see all command line options.
****************************
Write your own configuration
****************************
Run ``ants --show-config`` to see the active configuration.
Run ``ants --initialize`` to write your own configuration.
Your local configuration file will be saved at ``/etc/ants/ants.cfg``.
You can also edit it using your favorite text editor.
Do not modify the default configuration file as it might be overwritten when updating ANTS.
On Mac OS, you can also configure ANTS with a preference list (plist) or configuration profile.
Please note that configurations set in this manner will override any other configuration, including ``ants.cfg``.
Go `here <https://github.com/ANTS-Framework/ants/blob/Update_readme/macos/ANTS_Config_Profile.xml>`__ for an example configuration profile.
---------------
Run other roles
---------------
Fork or duplicate `our example playbook <https://github.com/ANTS-Framework/playbook>`__
and change the client configuration to point to your repository.
Update ``main.yml`` to assign different roles to your hosts.
You can use the default Ansible syntax. You can also use wildcards. Have a look at the
`Ansible documentation <http://docs.ansible.com/ansible/latest/playbooks_intro.html>`__
-----------------------------------------
Add ssh authentication to your repository
-----------------------------------------
Ansible-pull can clone a git repository using ssh. You can enable this by creating your own private playbook,
adding ssh authentication and a read only ssh key to the repository.
Configure ANTS to use that key.
By default, ANTS will look for a private key at ``/etc/ants/id_ants``
You can generate a key with ``ssh-keygen -t rsa -b 4096 -N '' -C "ants client" -f /etc/ants/id_ants``
By default, ANTS is configured to run with strict host key checking disabled
and will add the host key for your repo to your ``known_hosts`` file.
**You should change this in production.** To do so, add ``ssh_stricthostkeychecking = True`` to your ants.cfg
------------------------------
Add a dynamic inventory source
------------------------------
Ansible supports dynamic inventory scripts. (A json representation of hosts to group mappings.)
You can use scripts to tell ansible-pull which tasks to run on which host.
You need an inventory source and a script that can read and return it in the
`correct format <http://docs.ansible.com/ansible/latest/dev_guide/developing_inventory.html>`__.
By default, ANTS will run a dummy script ``inventory_default`` that will just return your hostname belonging to a group
named *ants-common*. You can edit ``main.yml`` straight away and assign roles using host names. But
ANTS shows it's real power when ansible-pull is combined with a dynamic inventory using group mappings.
For this we provide the ``inventory_ad`` script which will connect to your Active Directory and return all groups your
host is a member of. Just add your configuration to ``/etc/ants/ants.cfg``. Note that read only rights for the
Active Directory user are sufficient.
*Your host DOSN'T have to be bound to Active Directory in order for this to work.*
You can use a placeholder object.
By using a dynamic inventory source, you can assign roles to a host using AD and let ANTS handle the configuration.
--------------------------------
Group Layout in Active Directory
--------------------------------
The groups in Active Directory must have the same names as the mappings and the variables you want to assign
using Ansible. We recommend to keep the groups in a dedicated Organizational Unit to prevent naming collisions.
Nested groups with access restrictions are an easy way to offer rights delegation to other units in your organization.
-------------------
What else do I need
-------------------
Nothing. You just set up a configuration management that communicates savely over ssh using your AD and Github.
No additional infrastructure and no AD binding required.
---------------------------
Add your own inventory file
---------------------------
You can add your own inventory file. This can be a `dynamic inventory source <http://docs.ansible.com/ansible/latest/dev_guide/developing_inventory.html>`__ or a `static file <https://docs.ansible.com/ansible/latest/user_guide/intro_inventory.html#hosts-and-groups>`__. By default, ANTS will look for the inventory file in its python package. This is useful because it enables you to use inventory scripts like ``inventory_ad`` without having to specify the full path. However, if you would
like to place your inventory file somewhere else you're free to do so. All you have to do is use an absolute path in ``ants.cfg``.
The following entry in ``ants.cfg`` will look for your inventory file in the ANTS python package. This is useful for everything that comes with the ANTS installation:
.. code-block::
[main]
inventory_script = inventory_ad
This entry on the other hand will look for your inventory file in ``/etc/ants``:
.. code-block::
[main]
inventory_script = /etc/ants/myinventory
------------------------------
Callback plugins and reporting
------------------------------
ANTS can be configured to execute ansible callback plugins. We will cover the most common use case here: log ANTS information to logstash.
ANTS ships with a modified version of the `default ansible logstash plugin <https://docs.ansible.com/ansible/latest/plugins/callback/logstash.html>`__. If you want to use plugins that are installed at a custom location you can specify your path in the ``ants.cfg`` config file under ``ansible_callback_plugins``.
In order for ANTS to execute the callback plugin, just add the following entries to the config file: ``ansible_callback_whitelist = ants_logstash`` and add a new section called ``[callback_plugins]``. This section should contain the ``LOGSTASH_SERVER`` and the ``LOGSTASH_PORT``. ANTS will set the environment variables according to these values. Environment variables will only be added if the ``ansible_callback_whitelist`` is not empty.
You can add other callback plugins to ``ansible_callback_whitelist`` if you desire. The same is true for ``[callback_plugins]``. Just add environment variables to that sub section.
Please note that the casing of the environment variables is essential for the callback plugins to work. The casing can be found using ``ansible-doc -t callback logstash $name_of_plugin``.
-----------------------
Testing and Development
-----------------------
You made changes to the ANTS code or you want to test a feature that hasn't been released yet? This is
what you should do:
If what you're looking for is already available in pypi as a pre-release, you can simply install it
by telling pip to include pre-releases in its search: ``pip install ants_client --pre``
If you made local changes to your code and want to test them, you can set up a `virtual environment <https://virtualenv.pypa.io/en/stable/>`__, `activate it <https://virtualenv.pypa.io/en/stable/userguide/#activate-script>`__ and install your code locally using ``pip install -e <path_to_ants>``.
Make sure all inventory files are found. You can run a local dev version of ants ANTS using the following commands:
.. code-block::
git clone https://github.com/ANTS-Framework/ants.git ants_dev
cd ants_dev
python3 -m venv venv
source venv/bin/activate
python -m pip install -e .
sudo ants --ansible_pull_exe $(which ansible-pull) -i $(which inventory_ad) -vvv
-------------
Communication
-------------
- Please use the `GitHub issue tracker <https://github.com/ANTS-Framework/ants/issues>`__ to file issues.
- Please use a `GitHub Pull-Request <https://github.com/ANTS-Framework/ants/pulls>`__ to suggest changes.
-----------------------------------------------------
Comparison of plain Ansible and Ansible Tower to ANTS
-----------------------------------------------------
****************************************
What does ANTS do, that Ansible can not?
****************************************
- ANTS gives you a set of ready to be used roles for typical macOS and Linux host configurations.
- ANTS let's you utilize Active Directory to map computers to roles. With all it's delegation and nesting features.
- ANTS utilizes Ansible Pull and therefore does not require an active network connection to a central server. Roles will be locally applied even if the host is offline.
*********************************************************
What does Ansible or Ansible Tower do that ANTS does not?
*********************************************************
- Tower has a nice Dashboard
- Tower has a real time job output and push-button job runs
- Tower can to job scheduling
- Tower supports run-time job promoting
- Tower supports workflows
- Ansbile can use encrypted secrets using Vault
- Ansible and Tower do offer Enterprise Support
Raw data
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"author": "['Balz Aschwanden', 'Jan Welker', 'Client Services Team of the University of Basel IT Services']",
"author_email": "balz.aschwanden@unibas.ch, jan.welker@unibas.ch",
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"description": "==============\nANTS Framework\n==============\n\n.. image:: https://img.shields.io/pypi/v/ants_client.svg\n :target: https://pypi.python.org/pypi/ants_client/\n :alt: Latest Version\n\n.. image:: https://img.shields.io/pypi/l/ants_client.svg\n :target: https://pypi.python.org/pypi/ants_client/\n :alt: License\n\n.. image:: https://pyup.io/repos/github/ANTS-Framework/ants/shield.svg\n :target: https://pyup.io/repos/github/ANTS-Framework/ants/\n :alt: Updates\n\n.. image:: https://pyup.io/repos/github/ANTS-Framework/ants/python-3-shield.svg\n :target: https://pyup.io/repos/github/ANTS-Framework/ants/\n :alt: Python 3\n\nANTS is a framework to manage and apply macOS and Linux host configurations using Ansible Pull.\n\nThe ANTS Framework is developed by the Client Services Team of the `University of Basel <https://www.unibas.ch/>`__ `IT Services <https://its.unibas.ch>`__\nand released under the `GNU General Public License Version 3 <https://www.gnu.org/licenses/gpl-3.0.en.html>`__.\n\n`Ansible <https://docs.ansible.com/ansible/latest/index.html>`__ is a trademark of `Red Hat, Inc. <https://www.redhat.com>`__\n\n------------\nIntroduction\n------------\nThe ANTS Framework consists of the following components:\n\n- A wrapper for Ansible-Pull\n- An Ansible Dynamic Inventory Script (MS Active Directory Connector)\n- A modular collection of roles ready to be used\n- Strong logging integration\n\n------------\nRequirements\n------------\nThis project assumes that you are familiar with `Ansible <https://www.ansible.com/>`__\n, `Git <https://git-scm.com/book/en/v2>`__ and the shell.\n\n---------------\nGetting started\n---------------\n*************************\nInstalling ants using pip\n*************************\n- Make sure ``git`` is installed on your machine\n- Install the latest ants client using pip: ``pip install ants_client``\n- Pip will install the ANTS client with a default configuration and put the executable in your path.\n\n******************************************\nInstalling ants using macOS .pkg installer\n******************************************\n- Download the latest .pkg installer from the `releases page <https://github.com/ANTS-Framework/ants/releases/latest>`__.\n- Execute the installer. This will take care of all dependencies.\n- A launch daemon will be installed, running ``ants`` every 15 minutes. It will trigger after the next restart.\n\n********\nRun ants\n********\n- Open your terminal\n- Start an ANTS run by typing ``ants``.\n- Wait for ANTS to finish, then open another shell. You will see a new message of the day.\n\n**************\nWhat happened?\n**************\nRunning ANTS with the default configuration will use ansible-pull to clone\n`the ANTS playbook <https://github.com/ANTS-Framework/playbook>`__ via https from a github repository and execute an ansible run.\n\nBy default, this will generate ``/etc/motd`` to add a message of the day to your macOS or Linux host.\nLogs of all the runs are stored at ``/var/log/ants``.\n\nAlso by default, ants will add github to your ``known_hosts`` file. This is important for later, when you want to enable git clone\nusing ssh.\n\n----------------------\nWhere to go from here?\n----------------------\n\n*******************\nLook at the options\n*******************\nRun ``ants -h`` to see all command line options.\n\n****************************\nWrite your own configuration\n****************************\nRun ``ants --show-config`` to see the active configuration.\n\nRun ``ants --initialize`` to write your own configuration.\n\nYour local configuration file will be saved at ``/etc/ants/ants.cfg``.\nYou can also edit it using your favorite text editor.\n\nDo not modify the default configuration file as it might be overwritten when updating ANTS.\n\nOn Mac OS, you can also configure ANTS with a preference list (plist) or configuration profile.\nPlease note that configurations set in this manner will override any other configuration, including ``ants.cfg``.\nGo `here <https://github.com/ANTS-Framework/ants/blob/Update_readme/macos/ANTS_Config_Profile.xml>`__ for an example configuration profile.\n\n---------------\nRun other roles\n---------------\nFork or duplicate `our example playbook <https://github.com/ANTS-Framework/playbook>`__\nand change the client configuration to point to your repository.\nUpdate ``main.yml`` to assign different roles to your hosts.\n\nYou can use the default Ansible syntax. You can also use wildcards. Have a look at the\n`Ansible documentation <http://docs.ansible.com/ansible/latest/playbooks_intro.html>`__\n\n-----------------------------------------\nAdd ssh authentication to your repository\n-----------------------------------------\nAnsible-pull can clone a git repository using ssh. You can enable this by creating your own private playbook,\nadding ssh authentication and a read only ssh key to the repository.\nConfigure ANTS to use that key.\n\nBy default, ANTS will look for a private key at ``/etc/ants/id_ants``\n\nYou can generate a key with ``ssh-keygen -t rsa -b 4096 -N '' -C \"ants client\" -f /etc/ants/id_ants``\n\nBy default, ANTS is configured to run with strict host key checking disabled\nand will add the host key for your repo to your ``known_hosts`` file.\n**You should change this in production.** To do so, add ``ssh_stricthostkeychecking = True`` to your ants.cfg\n\n------------------------------\nAdd a dynamic inventory source\n------------------------------\nAnsible supports dynamic inventory scripts. (A json representation of hosts to group mappings.)\n\nYou can use scripts to tell ansible-pull which tasks to run on which host.\nYou need an inventory source and a script that can read and return it in the\n`correct format <http://docs.ansible.com/ansible/latest/dev_guide/developing_inventory.html>`__.\n\nBy default, ANTS will run a dummy script ``inventory_default`` that will just return your hostname belonging to a group\nnamed *ants-common*. You can edit ``main.yml`` straight away and assign roles using host names. But\nANTS shows it's real power when ansible-pull is combined with a dynamic inventory using group mappings.\n\nFor this we provide the ``inventory_ad`` script which will connect to your Active Directory and return all groups your\nhost is a member of. Just add your configuration to ``/etc/ants/ants.cfg``. Note that read only rights for the\nActive Directory user are sufficient.\n\n*Your host DOSN'T have to be bound to Active Directory in order for this to work.*\nYou can use a placeholder object.\n\nBy using a dynamic inventory source, you can assign roles to a host using AD and let ANTS handle the configuration.\n\n--------------------------------\nGroup Layout in Active Directory\n--------------------------------\nThe groups in Active Directory must have the same names as the mappings and the variables you want to assign\nusing Ansible. We recommend to keep the groups in a dedicated Organizational Unit to prevent naming collisions.\n\nNested groups with access restrictions are an easy way to offer rights delegation to other units in your organization.\n\n-------------------\nWhat else do I need\n-------------------\nNothing. You just set up a configuration management that communicates savely over ssh using your AD and Github.\n\nNo additional infrastructure and no AD binding required.\n\n---------------------------\nAdd your own inventory file\n---------------------------\n\nYou can add your own inventory file. This can be a `dynamic inventory source <http://docs.ansible.com/ansible/latest/dev_guide/developing_inventory.html>`__ or a `static file <https://docs.ansible.com/ansible/latest/user_guide/intro_inventory.html#hosts-and-groups>`__. By default, ANTS will look for the inventory file in its python package. This is useful because it enables you to use inventory scripts like ``inventory_ad`` without having to specify the full path. However, if you would\nlike to place your inventory file somewhere else you're free to do so. All you have to do is use an absolute path in ``ants.cfg``.\n\nThe following entry in ``ants.cfg`` will look for your inventory file in the ANTS python package. This is useful for everything that comes with the ANTS installation:\n\n.. code-block::\n\n [main]\n inventory_script = inventory_ad\n\nThis entry on the other hand will look for your inventory file in ``/etc/ants``:\n\n.. code-block::\n\n [main]\n inventory_script = /etc/ants/myinventory\n\n------------------------------\nCallback plugins and reporting\n------------------------------\nANTS can be configured to execute ansible callback plugins. We will cover the most common use case here: log ANTS information to logstash.\n\nANTS ships with a modified version of the `default ansible logstash plugin <https://docs.ansible.com/ansible/latest/plugins/callback/logstash.html>`__. If you want to use plugins that are installed at a custom location you can specify your path in the ``ants.cfg`` config file under ``ansible_callback_plugins``.\n\nIn order for ANTS to execute the callback plugin, just add the following entries to the config file: ``ansible_callback_whitelist = ants_logstash`` and add a new section called ``[callback_plugins]``. This section should contain the ``LOGSTASH_SERVER`` and the ``LOGSTASH_PORT``. ANTS will set the environment variables according to these values. Environment variables will only be added if the ``ansible_callback_whitelist`` is not empty.\n\nYou can add other callback plugins to ``ansible_callback_whitelist`` if you desire. The same is true for ``[callback_plugins]``. Just add environment variables to that sub section.\n\nPlease note that the casing of the environment variables is essential for the callback plugins to work. The casing can be found using ``ansible-doc -t callback logstash $name_of_plugin``.\n\n-----------------------\nTesting and Development\n-----------------------\nYou made changes to the ANTS code or you want to test a feature that hasn't been released yet? This is\nwhat you should do:\n\nIf what you're looking for is already available in pypi as a pre-release, you can simply install it\nby telling pip to include pre-releases in its search: ``pip install ants_client --pre``\n\nIf you made local changes to your code and want to test them, you can set up a `virtual environment <https://virtualenv.pypa.io/en/stable/>`__, `activate it <https://virtualenv.pypa.io/en/stable/userguide/#activate-script>`__ and install your code locally using ``pip install -e <path_to_ants>``.\n\nMake sure all inventory files are found. You can run a local dev version of ants ANTS using the following commands:\n\n.. code-block::\n\n git clone https://github.com/ANTS-Framework/ants.git ants_dev\n cd ants_dev\n python3 -m venv venv\n source venv/bin/activate\n python -m pip install -e .\n sudo ants --ansible_pull_exe $(which ansible-pull) -i $(which inventory_ad) -vvv\n\n\n-------------\nCommunication\n-------------\n- Please use the `GitHub issue tracker <https://github.com/ANTS-Framework/ants/issues>`__ to file issues.\n- Please use a `GitHub Pull-Request <https://github.com/ANTS-Framework/ants/pulls>`__ to suggest changes.\n\n-----------------------------------------------------\nComparison of plain Ansible and Ansible Tower to ANTS\n-----------------------------------------------------\n****************************************\nWhat does ANTS do, that Ansible can not?\n****************************************\n\n- ANTS gives you a set of ready to be used roles for typical macOS and Linux host configurations.\n- ANTS let's you utilize Active Directory to map computers to roles. With all it's delegation and nesting features.\n- ANTS utilizes Ansible Pull and therefore does not require an active network connection to a central server. Roles will be locally applied even if the host is offline.\n\n*********************************************************\nWhat does Ansible or Ansible Tower do that ANTS does not?\n*********************************************************\n\n- Tower has a nice Dashboard\n- Tower has a real time job output and push-button job runs\n- Tower can to job scheduling\n- Tower supports run-time job promoting\n- Tower supports workflows\n- Ansbile can use encrypted secrets using Vault\n- Ansible and Tower do offer Enterprise Support\n\n\n",
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