Download e-book for kindle: Ansible: Up and Running by Lorin Hochstein

By Lorin Hochstein

ISBN-10: 149191615X

ISBN-13: 9781491916155

One of many configuration administration instruments on hand, Ansible has a few particular advantages—it’s minimum in nature, you don’t have to set up something in your nodes, and it has a simple studying curve. This useful advisor indicates you the way to be effective with this instrument speedy, no matter if you’re a developer deploying code to construction or a method administrator trying to find a greater automation solution.

Author Lorin Hochstein exhibits you the way to jot down playbooks (Ansible’s configuration administration scripts), deal with distant servers, and discover the tool’s actual energy: integrated declarative modules.

You’ll notice that Ansible has the performance you would like and the simplicity you desire.

• know how Ansible differs from different configuration administration systems
• Use the YAML dossier layout to write down your personal playbooks
• study Ansible’s aid for variables and facts
• paintings with an entire instance to install a non-trivial applicationUse roles to simplify and reuse playbooks
• Make playbooks run swifter with ssh multiplexing, pipelining, and parallelism
• install functions to Amazon EC2 and different cloud platforms
• Use Ansible to create Docker photographs and install Docker boxes

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Additional info for Ansible: Up and Running

Sample text

Check out the Jinja2 Template Designer Documentation for more details. You probably won’t need to use those advanced templating features, though. One Jinja2 feature you probably will use with Ansible is filters; we’ll cover those in a later chapter. yml playbook, note that there are two new playbook ele‐ ments we haven’t discussed yet. There’s a handlers section that looks like this: handlers: - name: restart nginx service: name=nginx state=restarted In addition, several of the tasks contain a notify key.

This may take a few minutes... 1:2222 SSH username: vagrant SSH auth method: private key Warning: Connection timeout. Retrying... Machine booted and ready! Checking for guest additions in VM... Mounting shared folders... com/business/services/cloud 0 packages can be updated. 0 updates are security updates. 2 Type exit to quit the SSH session. This approach lets us interact with the shell, but Ansible needs to connect to the vir‐ tual machine using the regular SSH client, not the vagrant ssh command.

Setting the name of the VM: playbooks_default_1423013257297_44645 Clearing any previously set forwarded ports... Clearing any previously set network interfaces... Preparing network interfaces based on configuration... Adapter 1: nat Forwarding ports... 22 => 2222 (adapter 1) Booting VM... Waiting for machine to boot. This may take a few minutes... 1:2222 SSH username: vagrant SSH auth method: private key Warning: Connection timeout. Retrying... Machine booted and ready! Checking for guest additions in VM...

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Ansible: Up and Running by Lorin Hochstein


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