Learning Ansible High Quality
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Yes, You will receive a Course Completion Certificate from SkillUp upon completing the Ansible basics program. You can unlock it by logging in to your SkillUp account. As soon as the certificate is unlocked, you will receive a mail with a link to your SkillUp learning dashboard on your registered mail address. Click the link to view and download your certificate. You can even add the certificate to your resume and share it on social media platforms.
For the managed nodes, Ansible needs to communicate with them over SSH and SFTP (this can also be switched to SCP via the ansible.cfg file) or WinRM for Windows hosts. The managed nodes also need Python 2 (version 2.6 or later) or Python (version 3.5 or later) and in the case of Windows nodes PowerShell 3.0 or later and at least .NET 4.0 installed.
As previously mentioned, the inventory is the collection of the machines that we would like to manage. Usually, the default location for inventory is /etc/ansible/hosts but we can also define a custom one in any directory.
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Ansible is a popular choice for IT automation because it allows you to concisely specify a desired state and then it does the heavy lifting to make that state a reality. In this course, Getting Started with Ansible, you will learn foundational knowledge to quickly and reliably configure just about anything with Ansible. First, you will learn how to install Ansible and use the ansible Ad-hoc command line tool to execute one-off modules in Ansible to configure single aspects of a system like ensuring a line exists in a file, or an application is installed. Playbooks will be composed of modules to build up larger configurations all stored in simple file(s) that pass through ansible-playbook. Then, you'll see how to use inventories to configure multiple machines including a full fledged VM learning lab that you then use Ansible to configure. Next, you'll explore how to learn what you need to know, when you need to know it. Later, you'll see how to swap out Ansible's default usage of SSH via connection plugins to connect to different environments such as Windows machines and docker containers. And how the ansible-pull command inverts Ansible's default push model. Finally, you'll discover reuse with Ansible Galaxy and corresponding ansible-galaxy command via both Roles and Collections. By the end of this course you'll be prepared to move beyond manually configuring applications, servers, networks, etc. Beyond writing confusing scripts. To spending your time on more valuable endeavors.
Create an inventory file with the group my_hosts and localhost ansible_connection=local, which tells Ansible to not use SSH, and just use the local connection. Additionally, you should explicitly set the ansible_user variable to the username to use when connecting to the server. Ansible has changed its behaviour over time regarding whether or not ansible_user is defined, and it is most effective to define it explicitly even when it can sometimes be inferred.
The OS name is stored in ansible_distribution. We saw ansible_os_family used above in the ansible-cvmfs role. You can use these variables if you are writing a generic role but packages or commands are named different on different operating systems.
In this hands-on we used some templated variables. We defined them in a template, but they are also commonly used in the group variables file. Our templated variable looked like: listen = ansible_default_ipv4.address .
These are usually good proxies for quality, but do not treat them as strict rules. For an example of a role meeting many of these qualities, ansible-cvmfs is good; the variables are well documented and there are example playbooks that you can (more or less) copy-and-paste and run.
Sometimes a role will accomplish 95% of what you need to do, but not everything. Once you have installed the role with ansible-galaxy install, you can edit it locally to make any changes. In an ideal world you would contribute this back, but this is not always a high priority. Many projects copy roles directly into their repositories, e.g. galaxyproject and usegalaxy.eu
You have hundreds and thousands of online documentation and wiki pages for learning Ansible, and this is our attempt to cover Ansible in a simple and beginner approach.
I am looking for reference to appropriate resources (videos/ technical papers /blog posts) that would help me in understanding ansible and its use in SAS Viya Administration for installation, upgrade, hotfixes etc.Would greatly appreciate if somebody can help.
You can start learning basic Ansible using interactive tutorials available for free on Red Hat site. Go to: -id-70181 and under the drop down "Filter by topic" select Automation.In reference to SAS Viya 3.5 I could only find this resource -sas-viya-common which I don't think is supported anymore. But it could be an reference for the different playbooks used. 041b061a72