It's already hard to test the playbooks because they depend on the Ansible version and the OS version. configure_sfcfsha. Deployer/Auditor notes¶. In the previous articles, we introduced idempotency as a way to approach your server's security posture and looked at some specific Ansible examples, including the kernel, system accounts, and IPtables. create file crunchify-install-python-java. The extended first playbook has four tasks in a single play. The Hardening Framework combines DevOps with Security. conf - Set path to the file being managed; state: touch - Create a file set by path; owner: root - Set the user that should own the file/directory; group: root - Set the group that should own the file/directory; mode: 0600 - Set the file permission using octal numbers; How to create a complex file using ansible. Dell EMC OpenManage Ansible Modules allows Data Center and IT administrators to use RedHat Ansible to automate and orchestrate the provisioning, configuration, deployment, and update of PowerEdge Servers by leveraging the management automation capabilities built into the Integrated Dell Remote Access Controller (iDRAC), OpenManage Enterprise and OpenManage Enterprise Modular. Thankfully, Ansible provides us with a handy feature known as Ansible Vault. Ansible Tower is an enterprise framework for controlling, securing and managing your Ansible automation with a UI and RESTful API. For this play to be executed, both conditions have to be TRUE, i. My last post on Linux security hardening briefly mentioned Ansible Tower. This post continues my previous post. your inventory file can be at the default location /etc/ansible/hosts or a customized ansible_hosts file in your present working directory. A task is a section that consists of a single procedure to be completed. The security hardening role needs to be updated to apply these new requirements to Ubuntu 16. As Akash points out, things. In this Part 5 of Ansible Series, we will explain how to create Ansible Plays and Playbooks using Ansible modules. According to the Ansible documentation, "The script module takes the script name followed by a list of space-delimited arguments. Inside this directory, create a file(s) with a. It's already hard to test the playbooks because they depend on the Ansible version and the OS version. yml create_cfs_resource. There can even be instances in which sub-versions of OSes can have major differences, such as service vs. tags: ansible, ansible tutorial, ansible certification, ansible tags, ansible tasks, ansible modules, ansible debug, ansible inventory, ansible hosts file, ansible facts In this absible playbook example we will write a ansible tasks using a gathering facts of ansible hosts. You learned how to update all packages on your Debian and Ubuntu Linux boxes and reboot the server if required using Ansible playbooks. Linux Security Hardening with OpenSCAP and Ansible In some organizations, Linux systems are audited for security compliance by an external auditor. • Disable IP forwarding, Ansible Sysctl harden setting • Ansible playbook example of sysctl module For the latest Networking and Servers tutorials, please visit. For reference I use my docker-hardening role in the further steps. Introduction to Ansible Interview Questions And Answer. All the above snippets together form my Playbook to enforce the VMware ESXi Security Configuration with Ansible. If you don't know what a data serialization format is, think of it as a way to translate a programmatic data structure (lists, arrays, dictionaries, etc) into a format that can be easily stored to disk. Ansible can help. He's been trying to automate systems administration since he started learning linux many years ago. Examples are demonstrated below. We learned how to update all packages on OpenSUSE or SUSE Enterprise Linux servers and reboot the servers when kerne updated using Ansible playbooks. In Ansible, variables provide the much-needed flexibility in Playbooks, templates and inventories as we shall later see in this tutorial. Before we look at some simple Ansible examples of hardening an OS with idempotency in mind we should explore how to trigger our Ansible playbooks. It configures:. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Corban has been working with Ansible for ~2 years and is responsible for developing our Ansible playbook!. yml license. Background. On this last article of the sequence, we'll have a look at just a few extra server-hardening examples and discuss slightly extra about how […]. To simplify the automation of security features and enable hardening, NetApp has published its own Ansible Security Role that you can leverage for your ONTAP security configuration goals. However, when running. A playbook in Ansible is a list of tasks that will be executed against one or more managed servers. Configuration templates with Jinja2. Installing packages; Installing System Updates; Adding/Removing Repositories; Ubuntu; CentOS; Manually Adding Source List; Modifying files. We made it as far as hardening SSH with a few simple-but-logical edits to /etc/ssh/sshd_config , but there's still plenty more that we can do to improve the playbook's immediate functionality. x content v0. This is a larger area for debate than you might first imagine. This wiki is based on the Ansible-playbook repository. In this final article of the series, we’ll look at a few more server-hardening examples and talk a little more about how the idempotency playbook …. An Ansible playbook is a codified security document, allowing you to describe the desired state of a system, rather than the specific steps of how to get to that state. For my Ansible control server, I am simply using a standard Ubuntu 16. This section provides instructions for those tasks. Ansible allows you to simply define your systems for security. Setup overview. Getting started¶. Playbook: a YAML file containing a series of procedures that should be automated. ACX Series,EX Series,M Series,MX Series,NFX Series,PTX Series,QFX Series,SRX Series,T Series. It's an automation engine that runs Ansible Playbooks. The file can then be used to recreate the structure at a later point. Open source community keeps trying to make the code much simpler on the newer version. All the above snippets together form my Playbook to enforce the VMware ESXi Security Configuration with Ansible. Explanation of Ansible OS hardening playbook We have seen multiple playbooks and guidelines  for following different standards  in Chapter 7,  Security Hardening for Applications and Networks. Check it out![/Update] [French readers]La version française de l'article « Déployer des machines virtuelles VMware avec Ansible) est disponible à l'adresse suivante[/French readers]. As Akash points out, things change - it is better to have the end state described rather than have to change commands when the system changes. Explanation of Ansible OS hardening playbook. yml create_fsresource. Ansible พื้นฐานที่ (ตัวเอง) ควรรู้ Ep. 3 Content - NIST National Checklist for Red Hat Enterprise Linux 7. All the nodes will run Ubuntu Xenial 64-bit OS and Ansible playbooks will be used for provisioning. Operating System Dependent Tasks When working with multiple OSes, inevitably there will be packages, configuration files and service calls that are vastly different than one another. I try to write a small ansible-playbook for basic setup of a server, but my tasks from roles refuse to run :)) Playbook has this directory structure: └── install ├── group_vars │ └── all. In this Part 5 of Ansible Series, we will explain how to create Ansible Plays and Playbooks using Ansible modules. Built-in variables can be used to provide system information such as hostname, system architecture, interfaces etc. Ansible collects pretty much all the information about the remote hosts as it runs a playbook. 04/30/2019; 2 minutes to read; In this article. The Hardening Framework combines DevOps with Security. In Ansible, variables provide the much-needed flexibility in Playbooks, templates and inventories as we shall later see in this tutorial. Current STIG Role Features OS Support - Supports RHEL 6 and variants today, with more Linux and Windows versions coming soon. 2016-08-11 00:00. In this Part 7 of Ansible Series, you will learn how to create and use templates in Ansible to create customized configurations on managed nodes. Ansible allows you to write automation procedures once and use them across your entire infrastructure. I combined these bash scripts to construct a very basic Ansible playbook to simplify security hardening of RHEL6 systems. Consider the scenario where you have an Ansible playbook which executes some PowerShell code via win_shell and you wish to consume the PowerShell output later on in the playbook. Ansible uses YAML language to its scripts, which managed devices. As always, if you have questions or comments about the role, drop by #openstack-ansible on Freenode IRC or open a bug in Launchpad. ACI Playbooks. Build automation using ESXi, Ansible, Pysphere Showing 1-58 of 58 messages. For debugging purpose, we need to use the two modules judiciously. I accomplished this by using the included Ansible module called script. ansible-playbook playbooks/atmo_playbook. Today we will go over detailed steps on Ansible installation steps and complete deployment guide. As we know if we want to install a package in ubuntu os, we use the apt module, for centos we use yum module. ansible is a free and open source IT infrastructure and server automation software written in Python. Distributions Tested using Vagrant bento/debian-10 bento/fedora-31 centos/8 ubuntu/bionic64 ubuntu/focal64 Role Variables auditd_mode: 1. 2015-09-10 00:00. First the not so good news: Ansible isn't a magic unicorn. Ansible playbook for a more secure VPS (part 1) A More Secure Ansible Playbook (Part 2) And finally, for more information about how to use Ansible for automated server hardening, check out one these resources: ansible-os-hardening; ansible-ssh-hardening; ansible-role-security. This is a larger area for debate than you might first imagine. Not an Ansible user yet, but challenged by the need to remain STIG compliant? Getting started with Ansible is easy. Jinja2 is a modern and designer-friendly templating language for Python frameworks. However, when running. Most of the time. See docs here for more info. Below is the main configuration file of the molecule: molecule. For home lab purposes, it is the same server that I have Ansible Tower installed on. Method3: Add an entry in your Inventory. Check it out![/Update] [French readers]La version française de l'article « Déployer des machines virtuelles VMware avec Ansible) est disponible à l'adresse suivante[/French readers]. The debug tasks can be excluded with the ansible-playbook option -skip-tags debug. What are Ansible Facts. If you need to add multiple lines. The course starts with basic Ansible concepts and later progresses to the advanced features of Ansible 2. An Ansible playbook is a codified security document, allowing you to describe the desired state of a system, rather than the specific steps of how to get to that state. Each playbook is called from the main playbook which downloads the application from the web and then executes the set of codes depending on the type of file downloaded using roles in Ansible. Ansible Tower is a commercial version based on AWX by Red Hat. Before we look at some simple Ansible examples of hardening an OS with idempotency in mind we should explore how to trigger our Ansible playbooks. What we are going to do is use the GUI of scap-workbench to create an Ansible playbook that we can use to remediate the findings on the CentOS 7 system. For debugging purpose, we need to use the two modules judiciously. An Ansible playbook is a codified security document, allowing you to describe the desired state of a system, rather than the specific steps of how to get to that state. Ansible allows you to write automation procedures once and use them across your entire infrastructure. Before we look at some simple Ansible examples of hardening an OS with idempotency in mind we should explore how to trigger our Ansible playbooks. 0 for the first stable version and 2. 3 Content - NIST National Checklist for Red Hat Enterprise Linux 7. I try to write a small ansible-playbook for basic setup of a server, but my tasks from roles refuse to run :)) Playbook has this directory structure: └── install ├── group_vars │ └── all. The Security Technical Implementation Guide (STIG) for Red Hat Enterprise Linux (RHEL) 7 is in the final stages of release. As a refreshment, here is the topology we are working with: Ansible VM: 192. This is a second method to run ansible playbook locally. And this is where Conditional statements come in. As Akash points out, things change - it is better to have the end state described rather than have to change commands when the system changes. As Akash points out, things. Ansible’s easily understood Playbook syntax allows you to define secure any part of your system, whether it’s setting firewall rules, locking down users and groups, or applying custom security policies. The playbook, in Ansible terminology, consists of a set of hosts on which the automation is to be performed, roles that are to be played out, for example, a server acting as database, another as front-end and so on. Ansible helps in task automation, Application deployment, and managing configuration. Background There are three major ways to work with Ansible: launching single tasks with the ansible command executing playbooks viaansible-playbook using Tower to manage and run playbooks While Tower might be the better option to run Ansible in the…. Once you are familiar with Ansible you can create playbooks to automate almost everything, including ONTAP security configurations. 0 for an upgrade or rewrite). Apply RHEL 7 STIG hardening standard¶ date. In our case, the one single host is going to be responsible for all of these roles. Support for running complex playbooks. It configures:. yaml includes logic for emailing notifications both before and after patching activities are executed against a host. It's already hard to test the playbooks because they depend on the Ansible version and the OS version. OS and where exactly they will be best fitted in Implementing DevOps or CI/CD along with sample examples. Consider the scenario where you have an Ansible playbook which executes some PowerShell code via win_shell and you wish to consume the PowerShell output later on in the playbook. I try to write a small ansible-playbook for basic setup of a server, but my tasks from roles refuse to run :)) Playbook has this directory structure: └── install ├── group_vars │ └── all. yml -e "ATMOUSERNAME=atmouser" Limiting Playbook/Task Runs When writing Ansible, sometimes it is tedious to make a change in a playbook or task , then run the playbook It can sometimes be very helpful to run a module directly as shown above, but only against a single development host. 2016-08-11 00:00. A task is a section that consists of a single procedure to be completed. ก่อนหน้านี้ที่พูดเกี่ยวกับการใช้งาน Ansible แบบ Ad-Hoc Commands ก็คงพอที่จะทำให้เห็นประโยชน์การนำ Ansible มาใช้งานกัน. Here is a sample playbook that we use to retrieve tenant and EPG information from an existing ACI fabric. Same for other sub-commands. ACX Series,EX Series,M Series,MX Series,NFX Series,PTX Series,QFX Series,SRX Series,T Series. The momentum of Ansible over the last several years has been very fast and groundbreaking. Creating a Playbook, Executing a Playbook. Checklist Summary:. Deployer/Auditor notes¶. yml rolling_upgrade. The security hardening role needs to be updated to apply these new requirements to Ubuntu 16. For home lab purposes, it is the same server that I have Ansible Tower installed on. It's a very handy and user-friendly tool that. drwxrwxr-x 5 user user 4096 Feb 26 12: 51 napalm-ansible drwxrwxr-x 5 user user 4096 Feb 26 12: 53 ansible-playbooks. Ansible may use the Jinja2 templating engine to assign variables dynamically in playbooks or templates. DeHaan calls it a "general-purpose automation pipeline". Variables can also be used to replace strings and also in loops to loop through a given set. First the not so good news: Ansible isn't a magic unicorn. What could be wrong with SSH'ing into it?. It configures: Configures package management e. The end result is a playbook that we can trust to do its own thing without much oversight. yml - playbook for executing the role in the vagrant/Docker. The bottom line is you can, and you should automate your security hardening process. Ansible is an open-source IT automation engine that automates cloud provisioning, configuration management, application deployment, intraservice orchestration, and other IT needs. It is a bigger space for debate than you would possibly first think about. Thankfully, Ansible provides us with a handy feature known as Ansible Vault. 0 for the first stable version and 2. In the first part of this series, we introduced something called idempotency, which can provide the ongoing improvements to your server estate's security posture. In this blog post I will be using Fedora (my primary OS) to generate the Ansible playbook used to remediate findings. I try to write a small ansible-playbook for basic setup of a server, but my tasks from roles refuse to run :)) Playbook has this directory structure: └── install ├── group_vars │ └── all. This can be done directly using yum module or using simple adhoc command. Dell EMC OpenManage Ansible Modules allows Data Center and IT administrators to use RedHat Ansible to automate and orchestrate the provisioning, configuration, deployment, and update of PowerEdge Servers by leveraging the management automation capabilities built into the Integrated Dell Remote Access Controller (iDRAC), OpenManage Enterprise and OpenManage Enterprise Modular. If Ansible modules are the tools in your workshop, playbooks are your instruction manuals, and your inventory. In the following example, update. The juniper_junos_software module enables you to install a software image on a device running Junos OS. What are Ansible Facts. I combined these bash scripts to construct a very basic Ansible playbook to simplify security hardening of RHEL6 systems. Background. The Finished Playbook; Ansible modules. ACX Series,EX Series,M Series,MX Series,NFX Series,PTX Series,QFX Series,SRX Series,T Series. Vulnerability Category Detection and Correction As of 10. To simplify the automation of security features and enable hardening, NetApp has published its own Ansible Security Role that you can leverage for your ONTAP security configuration goals. I try to write a small ansible-playbook for basic setup of a server, but my tasks from roles refuse to run :)) Playbook has this directory structure: └── install ├── group_vars │ └── all. The following examples provide some guidance on how you might perform a number of automation tasks using Ansible and SR OS. For reference I use my docker-hardening role in the further steps. Ansible playbook for a more secure VPS (part 1) A More Secure Ansible Playbook (Part 2) And finally, for more information about how to use Ansible for automated server hardening, check out one these resources: ansible-os-hardening; ansible-ssh-hardening; ansible-role-security. You can provide source playbooks in Zip files or in a directory structure. Ansible, by default. Ansible has facilities to integrate and manage various technologies including Microsoft Windows, systems with REST API support and of course Linux. Operating System Dependent Tasks When working with multiple OSes, inevitably there will be packages, configuration files and service calls that are vastly different than one another. With this Role, IT admins can easily: Deploy new systems that are compliant to the DISA STIG; Audit and validate DISA STIG compliance on existing systems. Red Hat Ansible There are Ansible playbooks which depend on the most up-to-date information found on each node. As Akash points out, things change - it is better to have the end state described rather than have to change commands when the system changes. In part 1 of our Ansible security playbook tutorial, we started building out an Ansible playbook with a focus on creating better security for your VPS. Each playbook is called from the main playbook which downloads the application from the web and then executes the set of codes depending on the type of file downloaded using roles in Ansible. Ansible is an open source automation tool by Michael DeHaan, which automates application deployment, intraservice orchestration, cloud provisioning and many other IT tools. In this role, if we want to test every possible combination, we will have to test 2^6 = 64 combinations! The same part of the role without the tags is pretty simple. Ansible is an open-source product that automates cloud provisioning, configuration management, and application deployments. A recent discussion with a customer, however, encouraged the creation of a simple, yet effective playbook to help automate this process. I wanted to utilize this playbook for Ubuntu 18. With this Role, IT admins can easily: Deploy new systems that are compliant to the DISA STIG; Audit and validate DISA STIG compliance on existing systems. Checking OS Version Across Multiple Hosts with Ansible Leave a comment Often when you are maintaining a large number of servers, it is useful to be able to query those systems all at once to find out information like IP address, configured hostnames, and even the OS version. According to the Ansible documentation, "The script module takes the script name followed by a list of space-delimited arguments. juniper_junos_config Module Overview, Specifying the Configuration Mode, Specifying the Load Action, Specifying the Format of the Configuration Data to Load, Loading Configuration Data as Strings, Loading Configuration Data from a Local or Remote File, Loading Configuration Data Using a Jinja2. Access the STIG role through Ansible Galaxy. Red Hat Ansible There are Ansible playbooks which depend on the most up-to-date information found on each node. Ansible is a simple configuration management tool. 15 Playbook : An Ansible playbook is an organized unit of scripts that define work for a server configuration managed by the automation tool Ansible. 48 Checklist Details ( Checklist Revisions) SCAP 1. Linux Security Hardening with OpenSCAP and Ansible In some organizations, Linux systems are audited for security compliance by an external auditor. We will be setting up a Kubernetes cluster that will consist of one master and two worker nodes. The quest for OS-hardening. Ansible-playbook -- YAML Scripting | video - 6 | How to use variables in playbooks ? - Duration: 14:05. create file crunchify-install-python-java. They can describe a policy you want your remote systems to enforce, or a set of steps in a general IT process. We have seen multiple playbooks and guidelines for following different standards in Chapter 7, Security Hardening for Applications and Networks. yml create_cfs_resource. This post continues my previous post. An Ansible playbook is a codified security document, allowing you to describe the desired state of a system, rather than the specific steps of how to get to that state. What could be wrong with SSH'ing into it?. The Hardening Framework combines DevOps with Security. It configures:. Background There are three major ways to work with Ansible: launching single tasks with the ansible command executing playbooks viaansible-playbook using Tower to manage and run playbooks While Tower might be the better option to run Ansible in the…. This controls whether ansible playbook to prompt a password by default. For other OS distributions, check out the Ansible installation guide. Setting up Passwordless SSH. Checking OS Version Across Multiple Hosts with Ansible Leave a comment Often when you are maintaining a large number of servers, it is useful to be able to query those systems all at once to find out information like IP address, configured hostnames, and even the OS version. The outputs defined in this template give us ready access to the results of the deployment and show off how software config makes it easier to see the state of your configuration, the results, and any errors or output it may have generated without having to remotely log into your servers and search through logs. What we are going to do is use the GUI of scap-workbench to create an Ansible playbook that we can use to remediate the findings on the CentOS 7 system. Within the earlier articles, we launched idempotency as a option to strategy your server's safety posture and checked out some particular Ansible examples, together with the kernel, system accounts, and IPtables. I am running a role to do the system hardening using ansible, which looks good, looking for generating a 'CSV' file with following fields- {IP_address, Task_Name, status( ok or changed) before enforcing the playbook. The Security Technical Implementation Guide (STIG) for Red Hat Enterprise Linux (RHEL) 7 is in the final stages of release. x content v0. 48 Checklist Details ( Checklist Revisions) SCAP 1. If you are using SSH keys for authentication purposes then you really don't have to change this setting at all. If Ansible modules are the tools in your workshop, playbooks are your instruction manuals, and your inventory of hosts are your raw material. Apply RHEL 7 STIG hardening standard¶ date. yml create_cfs_resource. For debugging purpose, we need to use the two modules judiciously. These changes won't make a particular environment PCI compliant, but they should. Ansible consists of two severs controlling machine and Nodes. Explanation of Ansible OS hardening playbook We have seen multiple playbooks and guidelines  for following different standards  in Chapter 7,  Security Hardening for Applications and Networks. Ansible role to make a CentOS, Debian, Fedora or Ubuntu server a bit more secure, systemd edition. Along with Configuration Management tasks, it can be used to automate OS patching on timely basis. Using password during SSH is supported, but passwordless SSH keys with ssh-agent are one of the best ways to use Ansible. For this play to be executed, both conditions have to be TRUE, i. Conclusion. Ansible ships with standalone scripts called modules that are used in playbooks for the execution of specialized tasks on remote nodes. yml rolling_upgrade. A playbook in Ansible is a list of tasks that will be executed against one or more managed servers. Ansible uses small programs that are called Ansible modules to make API calls to your nodes, and apply configurations that are defined in playbooks. [all:vars] ansible_user=vagrant ansible_become=yes [mysql] 192. Where, path: /usr/local/etc/my. Implementation Status: Opt-In Ansible tasks will check the rpm-Va output (on CentOS, RHEL, openSUSE and SLE) or the output of debsums (on Ubuntu) to see if any files installed from packages have been altered. Playbook cookbook. I reserved some time to convert these playbooks to the new modules and ansible 2. These examples should not be considered the definitive way to manage SR OS but as stepping stones to assist you on your automation journey. ACX Series,EX Series,M Series,MX Series,NFX Series,PTX Series,QFX Series,SRX Series,T Series. This role hardens a Linux operating system according to best practices and implements the same guidelines as our successful Chef and Puppet implementations. drwxr-xr-x 7 user user 4096 Feb 26 12: 49. In general, system hardening has three phases:. yml -e "ATMOUSERNAME=atmouser" Limiting Playbook/Task Runs When writing Ansible, sometimes it is tedious to make a change in a playbook or task , then run the playbook It can sometimes be very helpful to run a module directly as shown above, but only against a single development host. The quest for OS-hardening. Ansible can be used to manage various kinds of Server operating systems - among them Solaris 11. Most of the time. This role hardens a Linux operating system according to best practices and implements the same guidelines as our successful Chef and Puppet implementations. All modules are implemented as overlay modules and work in conjunction with the corresponding open source module like apache or nginx. yml configure_sfha. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 # # simple playbook to check all hosts and see. yml – Contains the definition of OS platform, dependencies, container platform driver, testing tool, etc. Not an Ansible user yet, but challenged by the need to remain STIG compliant? Getting started with Ansible is easy. your inventory file can be at the default location /etc/ansible/hosts or a customized ansible_hosts file in your present working directory. Ansible's easily understood Playbook syntax allows you to define secure any part of your system, whether it's setting firewall rules, locking down users and groups, or applying custom security policies. Jump start your automation project with great content from the Ansible community. This Ansible role provides windows hardening configurations for the DevSec Windows baseline profile. But there are also simpler more predefined playbooks, which don't need fact gathering and can therefore gain performance if no facts are. The juniper_junos_software module enables you to install a software image on a device running Junos OS. Prior to Ansible engine 2. See zypper docs here for further information. yml which is ansible playbook. Playbooks consist of roles, a key aspect of security. The Security Technical Implementation Guide (STIG) for Red Hat Enterprise Linux (RHEL) 7 is in the final stages of release. Ansible is an open-source IT automation engine that automates cloud provisioning, configuration management, application deployment, intraservice orchestration, and other IT needs. One of the most confusing Ansible features is the tags, and in this blog, I will try to clarify how they work. drwxrwxr-x 5 user user 4096 Feb 26 12: 51 napalm-ansible drwxrwxr-x 5 user user 4096 Feb 26 12: 53 ansible-playbooks. In the previous articles, we introduced idempotency as a way to approach your server's security posture and looked at some specific Ansible examples, including the kernel, system accounts, and IPtables. Ansible helps in task automation, Application deployment, and managing configuration. This is a tested and trusted method of software development for Red Hat, which follows a similar model to Fedora and Red Hat Enterprise Linux. NIST National Checklist for Red Hat Enterprise Linux 7. Basically, a module is a command or set of similar commands meant to be executed on the client-side. Using Ansible you can provision virtual machines, containers, and network and complete cloud infrastructures. Hardening Your Servers Using Ansible and OpenSCAP One of the advantages of using an orchestration and configuration tool like Ansible is that it can be used to generate and deploy a complex set of configurations in a repeatable task across many hosts. Checking OS Version Across Multiple Hosts with Ansible Leave a comment Often when you are maintaining a large number of servers, it is useful to be able to query those systems all at once to find out information like IP address, configured hostnames, and even the OS version. If Ansible modules are the tools in your workshop, playbooks are your instruction manuals, and your inventory of hosts are your raw material. Idea is to obtain a report before execution. Setup overview. What Ansible does bring to the table is a combination of qualities that make it an excellent tool for security automation. Security Hardening for Hosts¶ date. After two months of development the Hardening Framework team is glad to announce that we created our second Ansible role: ansible-os-hardening. You can provide source playbooks in Zip files or in a directory structure. If you've ever worked as a system administrator, you know how much time a tool like this can save. References. Ansible is quickly becoming the dominant DevOps platform for automating software provisioning, configuration management and application deployment in a heterogeneous datacenter and hybrid cloud environment. Nowadays, security plays an important part in securing your system or data. When running Playbook, "GATHERING FACTS" task is always executed, it is the function which Ansible gets informations of target hosts and set them in variables. Dell EMC OpenManage Ansible Modules allows Data Center and IT administrators to use RedHat Ansible to automate and orchestrate the provisioning, configuration, deployment, and update of PowerEdge Servers by leveraging the management automation capabilities built into the Integrated Dell Remote Access Controller (iDRAC), OpenManage Enterprise and OpenManage Enterprise Modular. This information can be obtained manually using Ansible ad-hoc command and a specialized module named setup. Examples are demonstrated below. configure_sfcfsha. The Security Technical Implementation Guide (STIG) for Red Hat Enterprise Linux (RHEL) 7 is in the final stages of release. 04, CentOS 7 and RHEL 7. Ansible Playbook. Ansible playbook for a more secure VPS (part 1) A More Secure Ansible Playbook (Part 2) And finally, for more information about how to use Ansible for automated server hardening, check out one these resources: ansible-os-hardening; ansible-ssh-hardening; ansible-role-security. The bottom line is you can, and you should automate your security hardening process. One of the main goals for the Hardening Framework it to provide security as a plug-in mechanism. This simplifies writing complex playbooks, and it makes them easier to reuse. Ansible playbooks are files written in the YAML format, which contains human-readable code, it can be used to define operations in your environment. The output shows you the change Ansible made to the config: $ ansible-playbook -i vyos. All the nodes will run Ubuntu Xenial 64-bit OS and Ansible playbooks will be used for provisioning. I try to write a small ansible-playbook for basic setup of a server, but my tasks from roles refuse to run :)) Playbook has this directory structure: └── install ├── group_vars │ └── all. This includes installation, setup, configuration and management of an ansible on a Linux or Unix-like system for config management (rss feed). ACX Series,EX Series,M Series,MX Series,NFX Series,PTX Series,QFX Series,SRX Series,T Series. The requirements to perform this is a Linux system with a GUI. Control Node: the machine where Ansible is installed, responsible for running the provisioning on the servers you are managing. Ansible collects pretty much all the information about the remote hosts as it runs a playbook. If you add tags, it becomes really annoying. According to the Ansible documentation, “The script module takes the script name followed by a list of space-delimited arguments. In this final article of the series, we’ll look at a few more server-hardening examples and talk a little more about how the idempotency playbook …. 04, CentOS 7 and RHEL 7. Within the earlier articles, we launched idempotency as a option to strategy your server's safety posture and checked out some particular Ansible examples, together with the kernel, system accounts, and IPtables. Upgrading network images to stable and or later versions is nothing new in the networking world. But there are also simpler more predefined playbooks, which don't need fact gathering and can therefore gain performance if no facts are. Security Hardening with Ansible. You can refer and use them in Playbooks. Both, AWX and Ansible Tower have similar features. Templating in Ansible is an easy and friendly way of pushing custom configurations to managed nodes running different systems with minimal editing of playbook files. Getting started¶. Ansible is an open-source, agentless, automation engine, that uses playbooks written in YAML (Yet Another Markup Language) which are a combination of tasks that push out Ansible modules to automate well, tasks. Using Ansible with Azure. ansible-playbook playbooks/atmo_playbook. Red Hat Ansible There are Ansible playbooks which depend on the most up-to-date information found on each node. LinuxJournal - August 18, 2014. If you want to create a new Ansible role from scratch Molecule can help. Idea is to obtain a report before execution. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. 0 comes with new OpenStack modules my playbooks still used the old ones. Corban has been working with Ansible for ~2 years and is responsible for developing our Ansible playbook!. Implementation Status: Opt-In Ansible tasks will check the rpm-Va output (on CentOS, RHEL, openSUSE and SLE) or the output of debsums (on Ubuntu) to see if any files installed from packages have been altered. Ansible's easily understood Playbook syntax allows you to define secure any part of your system, whether it's setting firewall rules, locking down users and groups, or applying custom security policies. DeHaan calls it a "general-purpose automation pipeline". Below is the main configuration file of the molecule: molecule. Today we're really happy to be sharing an awesome guest post written by Corban Raun. Before we look at some simple Ansible examples of hardening an OS with idempotency in mind we should explore how to trigger our Ansible playbooks. Use any one of the module to reboot the box when kernel updated. Active 1 year, 5 months ago. This can be completely customized based on your environment, but following certain guidelines will ensure it's well protected. yml configure_vcs. I am trying to prepare Ansible scripts to check remote hosts for certain things like - OS version, free disk space etc. yml --tags nvim:install --ask-vault-pass i do get -bash: ansible-playbook: command not found. Step 2: Writing the Ansible Playbook. As Akash points out, things change - it is better to have the end state described rather than have to change commands when the system changes. Nowadays, security plays an important part in securing your system or data. Ansible is an open-source automation tool developed and released by Michael DeHaan and others in 2012. 12 A brief explanation of 'playbook' is required. I am able to create tasks for each of this check as Ansible already have a great support for that, but i am stuck at a place on how to create a final report kind of thing for all tasks. Ansible can help. I have a playbook that I use to perform an initial configuration/hardening of CentOS systems after installation. In other words, upgrade all packages to latest version. In Ansible 1. Ansible playbooks are files written in the YAML format, which contains human-readable code, it can be used to define operations in your environment. I try to write a small ansible-playbook for basic setup of a server, but my tasks from roles refuse to run :)) Playbook has this directory structure: └── install ├── group_vars │ └── all. net, -u ansible -k -e ansible_network_os= vyos first_playbook_ext. I accomplished this by using the included Ansible module called script. As you have seen, we have used the AND logical operator followed by another built-in Ansible variable known as ansible_distribution_version which has been assigned the value " 18. This role provides numerous security-related configurations, providing all-round base protection. The following examples provide some guidance on how you might perform a number of automation tasks using Ansible and SR OS. Operating System Dependent Tasks When working with multiple OSes, inevitably there will be packages, configuration files and service calls that are vastly different than one another. Earlier than we have a look at some easy Ansible examples of hardening an OS with idempotency in thoughts we should always discover the best way to set off our Ansible playbooks. Depending on your network connections, it should certainly take less than the promised 5 minutes. In this role, if we want to test every possible combination, we will have to test 2^6 = 64 combinations! The same part of the role without the tags is pretty simple. allows only signed packages. Ansible playbooks are written in YAML format. Open source community keeps trying to make the code much simpler on the newer version. ansible-role-hardening. 0 for the first stable version and 2. Working With Playbooks ¶. As Akash points out, things change - it is better to have the end state described rather than have to change commands when the system changes. Hardening Your Servers Using Ansible and OpenSCAP One of the advantages of using an orchestration and configuration tool like Ansible is that it can be used to generate and deploy a complex set of configurations in a repeatable task across many hosts. The extended first playbook has four tasks in a single play. • Disable IP forwarding, Ansible Sysctl harden setting • Ansible playbook example of sysctl module For the latest Networking and Servers tutorials, please visit. All the above snippets together form my Playbook to enforce the VMware ESXi Security Configuration with Ansible. Ansible is an open-source, agentless, automation engine, that uses playbooks written in YAML (Yet Another Markup Language) which are a combination of tasks that push out Ansible modules to automate well, tasks. Ansible is an open-source product that automates cloud provisioning, configuration management, and application deployments. This tutorial explains how to install Ansible and AWX on a Linux system and how to run a playbook using an AWX server and then assign access to inventory, credentials, and playbooks at an individual level. 7 on VMware Fusion 11. So, Ansible is installed and accessible. set ansible-playbook user variable dynamically based on the ec2 distros. Thanks to this, in my playbook I can use the [domain_controllers] group to run it only against this group and not every server I'm managing. we use ansible facts as variable and echo there value. This role provides numerous security-related configurations, providing all-round base protection. All of the documentation, configuration, and Ansible tasks are all included with the role. The end result is a playbook that we can trust to do its own thing without much oversight. Creating Ansible Playbook for REST API Integration. Ansible Tower is a commercial version based on AWX by Red Hat. But there are also simpler more predefined playbooks, which don't need fact gathering and can therefore gain performance if no facts are. 04 hardening posts that utilizes Florian Utz ansible playbook ( original post here). In other words, upgrade all packages to latest version. Testing Ansible Playbooks With Vagrant I use Ansible to automate the deployments of my websites ( LinuxJobs. Below is the main configuration file of the molecule: molecule. I only need ansible to create a user and vhost that the sensu servers and clients can use. create file crunchify-install-python-java. It's already hard to test the playbooks because they depend on the Ansible version and the OS version. Here we have created a block which correlated with a conditional when statement near the end of the playbook that tells ansible to proceed if the md5 value we gave matches the one computed by the switch. These examples should not be considered the definitive way to manage SR OS but as stepping stones to assist you on your automation journey. allows only signed packages. Hardening Your Servers Using Ansible and OpenSCAP One of the advantages of using an orchestration and configuration tool like Ansible is that it can be used to generate and deploy a complex set of configurations in a repeatable task across many hosts. Apply RHEL 7 STIG hardening standard¶ date. The output shows you the change Ansible made to the config: $ ansible-playbook -i vyos. Ansible playbook for a more secure VPS (part 1) A More Secure Ansible Playbook (Part 2) And finally, for more information about how to use Ansible for automated server hardening, check out one these resources: ansible-os-hardening; ansible-ssh-hardening; ansible-role-security. I do not take any responsibility for having installed this on a system with already existing software and/or mission critical services. 0 comes with new OpenStack modules my playbooks still used the old ones. In this final article of the series, we’ll look at a few more server-hardening examples and talk a little more about how the idempotency playbook …. Build automation using ESXi, Ansible, Pysphere Is there any way to provide kickstart file URL in Ansible Playbook Build automation using ESXi, Ansible, Pysphere: Mihai Cristian Satmarean: 11/6/15 8:19 AM. I'll describe in this blog post my setup in order to test my Ansible Playbooks locally on my laptop. x, HIPAA, FBI CJIS, and Controlled Unclassified Information (NIST 800-171) and DISA Operating System Security Requirements Guide (DISA OS SRG). In our case, the one single host is going to be responsible for all of these roles. fr , Journal du hacker ) and my applications ( Feed2toot , Feed2tweet ). Open source community keeps trying to make the code much simpler on the newer version. The ansible-hardening role can be used along with the OpenStack-Ansible project or as a standalone role that can be used along with other Ansible playbooks. Checklist Summary:. Ansible ships with standalone scripts called modules that are used in playbooks for the execution of specialized tasks on remote nodes. Dell EMC OpenManage Ansible Modules allows Data Center and IT administrators to use RedHat Ansible to automate and orchestrate the provisioning, configuration, deployment, and update of PowerEdge Servers by leveraging the management automation capabilities built into the Integrated Dell Remote Access Controller (iDRAC), OpenManage Enterprise and OpenManage Enterprise Modular. This is a larger area for debate than you might first imagine. Ansible and Configuration Management¶ Ansible is an open source tool that can be used to automate system administration tasks related to installation, configuration, account setup, and anything else required to manage system configurations across a large number of computers. Most of the time. 04 desktop hardening. Ansible's setup module is able to identify the host's types, OS distributions, and many other facts. Ansible is an open-source automation platform. Ansible helps in task automation, Application deployment, and managing configuration. 2015-09-10 00:00. The role also works in non-OpenStack environments just as well. Prior to Ansible engine 2. Ansible-playbook -- YAML Scripting | video - 6 | How to use variables in playbooks ? - Duration: 14:05. I combined these bash scripts to construct a very basic Ansible playbook to simplify security hardening of RHEL6 systems. The security hardening role needs to be updated to apply these new requirements to Ubuntu 16. xxxxx ansible_network_os: dellos10. 3 Content - NIST National Checklist for Red Hat Enterprise Linux 7. Ansible uses SSH installed on all systems, unlike other configuration software that work on agent architecture. ansible is run using something like ansible-playbook build. Ansible goes out of its way to use an easy-to-read configuration file for making "playbooks", which are files full of separate Ansible "tasks". In this blog post I will be using Fedora (my primary OS) to generate the Ansible playbook used to remediate findings. I reserved some time to convert these playbooks to the new modules and ansible 2. ansible-playbook -i hosts opensuse. Ansible’s easily understood Playbook syntax allows you to define secure any part of your system, whether it’s setting firewall rules, locking down users and groups, or applying custom security policies. As always, if you have questions or comments about the role, drop by #openstack-ansible on Freenode IRC or open a bug in Launchpad. Along with Configuration Management tasks, it can be used to automate OS patching on timely basis. 04 hardening posts that utilizes Florian Utz ansible playbook ( original post here). Where, path: /usr/local/etc/my. ansible-paybook play/bastion. In this video I'm demonstrating how Ansible can be used with regards to security related tasks. The extended first playbook has four tasks in a single play. All of the documentation, configuration, and Ansible tasks are all included with the role. The most common strategies for debugging Ansible playbooks are using the modules given below − Debug and Register. I accomplished this by using the included Ansible module called script. The goal of this spec is to apply hardening standards to openstack-ansible so that users can build environments that meet the requirements of various compliance programs, such as the Payment Card Industry Data Security Standard (PCI-DSS). NIST National Checklist for Red Hat Enterprise Linux 7. 3 Content: Download SCAP 1. Access the STIG role through Ansible Galaxy. 2016-08-11 00:00. This is my playbook: # windows-updates-all. The security hardening role needs to be updated to apply these new requirements to Ubuntu 16. net, -u ansible -k -e ansible_network_os= vyos first_playbook_ext. I wanted to utilize this playbook for Ubuntu 18. We made it as far as hardening SSH with a few simple-but-logical edits to /etc/ssh/sshd_config , but there's still plenty more that we can do to improve the playbook's immediate functionality. If the file /var/run/reboot-required exists, you need to reboot your Debian or Ubuntu Linux box. The machine where Ansible is installed and from which all tasks and playbooks will be ran. It is fast, reliable and widely used for dynamic file generation based on its parameter. Method3: Add an entry in your Inventory. tags: ansible, ansible tutorial, ansible certification, ansible tags, ansible tasks, ansible modules, ansible debug, ansible inventory, ansible hosts file, ansible facts In this absible playbook example we will write a ansible tasks using a gathering facts of ansible hosts. Distributions Tested using Vagrant bento/debian-10 bento/fedora-31 centos/8 ubuntu/bionic64 ubuntu/focal64 Role Variables auditd_mode: 1. However, Ansible 2. Hosts and Users. ACX Series,EX Series,M Series,MX Series,NFX Series,PTX Series,QFX Series,SRX Series,T Series. The goal of this spec is to apply hardening standards to openstack-ansible so that users can build environments that meet the requirements of various compliance programs, such as the Payment Card Industry Data Security Standard (PCI-DSS). Installing packages; Installing System Updates; Adding/Removing Repositories; Ubuntu; CentOS; Manually Adding Source List; Modifying files. All of the documentation, configuration, and Ansible tasks are all included with the role. Thanks to this, in my playbook I can use the [domain_controllers] group to run it only against this group and not every server I'm managing. I wanted to utilize this playbook for Ubuntu 18. So, in this case, our task should check a condition of OS family and execute apt if it's Ubuntu and yum when its Centos. Notable projects to get started with, right now Hardening Framework - Server Hardening Framework Ansible role for DISA STIG OpenStack-Ansible - Host Security Hardening CIS Ansible Role against CentOS/RHEL Linux Security Hardening with OpenSCAP and Ansible First Five Minutes on a Server with Ansible WHERE DO WE FIND REFERENCE ANSIBLE PLAYBOOKS. There can even be instances in which sub-versions of OSes can have major differences, such as service vs. 2016-08-11 00:00. I'll describe in this blog post my setup in order to test my Ansible Playbooks locally on my laptop. If you'd like to confirm which kinds of variables set, it's possible to output with "setup" module like follows. ansible-role-hardening. x content v0. An Ansible playbook is a codified security document, allowing you to describe the desired state of a system, rather than the specific steps of how to get to that state. As the name suggests, the Ansible Vault helps secure vital secret information as we have discussed earlier. yml --tags nvim:install --ask-vault-pass i do get -bash: ansible-playbook: command not found. A task is a section that consists of a single procedure to be completed. Ansible-playbook -- YAML Scripting | video - 6 | How to use variables in playbooks ? - Duration: 14:05. In this blog post I will be using Fedora (my primary OS) to generate the Ansible playbook used to remediate findings. And this is where Conditional statements come in. yml – Contains the definition of OS platform, dependencies, container platform driver, testing tool, etc. With the Ansible command, one can provide the verbosity level. The ansible-hardening role can be used along with the OpenStack-Ansible project or as a standalone role that can be used along with other Ansible playbooks. You can provide source playbooks in Zip files or in a directory structure. The role itself applies security configurations to each host in an environment. So let’s start by installing Ansible so that we can create a playbook. In this final article of the series, we’ll look at a few more server-hardening examples and talk a little more about how the idempotency playbook …. Today we will go over detailed steps on Ansible installation steps and complete deployment guide. If Ansible modules are the tools in your workshop, playbooks are your instruction manuals, and your inventory of hosts are your raw material. Ansible playbooks are files written in the YAML format, which contains human-readable code, it can be used to define operations in your environment. Security hardening controls in detail (RHEL 7 STIG)¶ The ansible-hardening role follows the Red Hat Enteprise Linux 7 Security Technical Implementation Guide (STIG). Along with Configuration Management tasks, it can be used to automate OS patching on timely basis. yml - playbook for executing the role in the vagrant/Docker. The ones I would normally use if my rabbitmq hosts were not dockerized are:. As you have seen, we have used the AND logical operator followed by another built-in Ansible variable known as ansible_distribution_version which has been assigned the value " 18. write the playbook. ACI Playbooks. The modules in Ansible are the tools that perform the actions, while playbooks design the plan for the whole process and lay it out for the modules to follow. Ansible for Junos OS requires all tasks to run locally on the Ansible control machine and uses NETCONF and the Junos XML API to interface with managed devices running Junos OS. Before we look at some simple Ansible examples of hardening an OS with idempotency in mind we should explore how to trigger our Ansible playbooks. ACX Series,EX Series,M Series,MX Series,NFX Series,PTX Series,QFX Series,SRX Series,T Series. Build automation using ESXi, Ansible, Pysphere Showing 1-58 of 58 messages. As Akash points out, things change - it is better to have the end state described rather than have to change commands when the system changes. Ansible Tower is an enterprise framework for controlling, securing and managing your Ansible automation with a UI and RESTful API. This tutorial explains how to install Ansible and AWX on a Linux system and how to run a playbook using an AWX server and then assign access to inventory, credentials, and playbooks at an individual level. Not an Ansible user yet, but challenged by the need to remain STIG compliant? Getting started with Ansible is easy. These examples should not be considered the definitive way to manage SR OS but as stepping stones to assist you on your automation journey. Ansible ships with standalone scripts called modules that are used in playbooks for the execution of specialized tasks on remote nodes. It's an automation engine that runs Ansible Playbooks. An Ansible playbook is a codified security document, allowing you to describe the desired state of a system, rather than the specific steps of how to get to that state. Safeguard your system with advanced features of Ansible 2. This post continues my previous post. The role also works in non-OpenStack environments just as well. Stack Overflow Public questions and answers; how to create Ansible playbook to obtain OS versions of the remote hosts? Ask Question Asked 3 years, 10 months ago. Ansible comes with a library of over 750 included automation modules. Setting up Passwordless SSH. yml - Contains the definition of OS platform, dependencies, container platform driver, testing tool, etc. GitHub Gist: instantly share code, notes, and snippets. 128 R1: 192. Use Ansible playbooks, roles, modules, and templating to build generic, testable playbooks Manage Linux and Windows hosts remotely in a repeatable and predictable manner See how to perform security patch management, and security hardening with scheduling and automation. The debug tasks can be excluded with the ansible-playbook option -skip-tags debug. An Ansible playbook is a codified security document, allowing you to describe the desired state of a system, rather than the specific steps of how to get to that state. Executes a command on a remote node using command module. With over 750 automation modules, Ansible makes it easy for you to secure any part of your system, including setting firewalls, providing authentication to users and groups, and setting custom security policies. The following examples provide some guidance on how you might perform a number of automation tasks using Ansible and SR OS. Built-in variables can be used to provide system information such as hostname, system architecture, interfaces etc. Ansible and Configuration Management¶ Ansible is an open source tool that can be used to automate system administration tasks related to installation, configuration, account setup, and anything else required to manage system configurations across a large number of computers. What is Ansible? Ansible is an all in one IT solution. Using Ansible to deploy a new VMware vSphere VM 27 Oct 2019. This content embeds many pre-established profiles, such as the NIST National Checklist for RHEL 8. For my Ansible control server, I am simply using a standard Ubuntu 16. The juniper_junos_software module enables you to install a software image on a device running Junos OS. Idea is to obtain a report before execution. # ansible-playbook mariadb. 7 on VMware Fusion 11. yml rolling_upgrade. Method3: Add an entry in your Inventory. Ansible Vault can encrypt variables, or even entire files and YAML playbooks as we shall later demonstrate. I combined these bash scripts to construct a very basic Ansible playbook to simplify security hardening of RHEL6 systems. The security hardening role needs to be updated to apply these new requirements to Ubuntu 16. The Security Technical Implementation Guide (STIG) for Red Hat Enterprise Linux (RHEL) 7 is in the final stages of release. The tasks to be carried out using these variables vary according to the nature of these variables. In this video I'm demonstrating how Ansible can be used with regards to security related tasks. With this Role, IT admins can easily: Deploy new systems that are compliant to the DISA STIG; Audit and validate DISA STIG compliance on existing systems. Use any one of the module to reboot the box when kernel updated. It is best practice to use Ansible with SSH keys in order to create the SSH connections to the servers. x content v0. They can describe a policy you want your remote systems to enforce, or a set of steps in a general IT process. Refer to the Ansible installation guide for platform specific installation. when: ansible_distribution == "RedHat" and ansible_distribution_major_version == 6 Into every single task within the whole playbook, but that seems pretty inefficient to me. YAML Script: Second ansible playbook to get date and server uptime status. Conclusion. Each playbook is called from the main playbook which downloads the application from the web and then executes the set of codes depending on the type of file downloaded using roles in Ansible. force_apt_get=yes - Use apt-get instead of aptitude. Jinja2 is a modern and designer-friendly templating language for Python frameworks. Playbooks consist of roles, a key aspect of security. Ansible also does IT orchestration where you run tasks and create a chain of events that happen on different servers and devices. Before we look at some simple Ansible examples of hardening an OS with idempotency in mind we should explore how to trigger our Ansible playbooks. In other words, upgrade all packages to latest version. yml -e my_var=CoolCmdLineVar Passing multiple variables. 0 for the first stable version and 2. mkdir ansible-playbooks user @hostname: ~/ workspace ls-la total 12 drwxrwxr-x 3 user user 4096 Feb 26 12: 51. The modules in Ansible are the tools that perform the actions, while playbooks design the plan for the whole process and lay it out for the modules to follow. [all:vars] ansible_user=vagrant ansible_become=yes [mysql] 192. In the first part of this series, we introduced something called idempotency, which can provide the ongoing improvements to your server estate's security posture. The most common strategies for debugging Ansible playbooks are using the modules given below − Debug and Register. I accomplished this by using the included Ansible module called script. Deployer/Auditor notes¶. Templating in Ansible is an easy and friendly way of pushing custom configurations to managed nodes running different systems with minimal editing of playbook files. The juniper_junos_software module enables you to install a software image on a device running Junos OS. Security Hardening for Hosts¶ date. Ansible comes with a library of over 750 included automation modules. Earlier than we have a look at some easy Ansible examples of hardening an OS with idempotency in thoughts we should always discover the best way to set off our Ansible playbooks. ansible-playbook extra_var_single. All modules are implemented as overlay modules and work in conjunction with the corresponding open source module like apache or nginx. Open source community keeps trying to make the code much simpler on the newer version. In this Part 5 of Ansible Series, we will explain how to create Ansible Plays and Playbooks using Ansible modules. Use Ansible playbooks, roles, modules, and templating to build generic, testable playbooks Manage Linux and Windows hosts remotely in a repeatable and predictable manner See how to perform security patch management, and security hardening with scheduling and automation. yml which is ansible playbook. If you need to add multiple lines. This content embeds many pre-established profiles, such as the NIST National Checklist for RHEL 8. Ansible allows you to simply define your systems for security. A way of organizing tasks and related files to be later called in a playbook. I try to write a small ansible-playbook for basic setup of a server, but my tasks from roles refuse to run :)) Playbook has this directory structure: └── install ├── group_vars │ └── all. First the not so good news: Ansible isn't a magic unicorn. If you'd like to confirm which kinds of variables set, it's possible to output with "setup" module like follows. Ansible Tower is produced by taking selected releases of AWX, hardening them for long-term supportability, and making them available to customers as the Ansible Tower offering. I have a playbook that I use to perform an initial configuration/hardening of CentOS systems after installation. In our case, the one single host is going to be responsible for all of these roles. yml configure_vcs. Ansible is an open-source automation tool developed and released by Michael DeHaan and others in 2012.