312 lines
7.8 KiB
HTML
312 lines
7.8 KiB
HTML
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This is <a href="."><em>Devhints.io cheatsheets</em></a> — a collection of cheatsheets I've written.
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<div class='post-list -single -cheatsheet'>
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<div class='post-item'>
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<div class='post-headline -cheatsheet'>
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<p class='prelude'><span></span></p>
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<h1><span>Ansible</span></h1>
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<div class='post-content -cheatsheet'>
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<h2 id="getting-started">Getting started</h2>
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<h3 id="hosts">Hosts</h3>
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<pre><code>$ sudo mkdir /etc/ansible
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$ sudo vim /etc/ansible/hosts
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[example]
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192.0.2.101
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192.0.2.102
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</code></pre>
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<h3 id="running-a-playbook">Running a playbook</h3>
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<pre><code>$ ansible-playbook playbook.yml
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</code></pre>
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<h2 id="tasks">Tasks</h2>
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<pre><code>- hosts: all
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user: root
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sudo: no
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vars:
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aaa: bbb
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tasks:
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- ...
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handlers:
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- ...
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</code></pre>
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<h3 id="includes">Includes</h3>
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<pre><code>tasks:
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- include: db.yml
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handlers:
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- include: db.yml user=timmy
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</code></pre>
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<h2 id="handlers">Handlers</h2>
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<pre><code>handlers:
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- name: start apache2
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action: service name=apache2 state=started
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tasks:
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- name: install apache
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action: apt pkg=apache2 state=latest
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notify:
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- start apache2
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</code></pre>
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<h2 id="vars">Vars</h2>
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<pre><code>- host: lol
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vars_files:
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- vars.yml
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vars:
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project_root: /etc/xyz
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tasks:
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- name: Create the SSH directory.
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file: state=directory path=${project_root}/home/.ssh/
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only_if: "$vm == 0"
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</code></pre>
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<h2 id="roles">Roles</h2>
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<pre><code>- host: xxx
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roles:
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- db
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- { role:ruby, sudo_user:$user }
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- web
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# Uses:
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# roles/db/tasks/*.yml
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# roles/db/handlers/*.yml
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</code></pre>
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<h3 id="task-failures">Task: Failures</h3>
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<pre><code>- name: my task
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command: ...
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register: result
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failed_when: "'FAILED' in result.stderr"
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ignore_errors: yes
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changed_when: "result.rc != 2"
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</code></pre>
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<h3 id="env-vars">Env vars</h3>
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<pre><code>vars:
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local_home: "{{ lookup('env','HOME') }}"
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</code></pre>
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<h2 id="references">References</h2>
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<ul>
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<li><a href="http://www.ansibleworks.com/docs/intro_configuration.html">Intro</a></li>
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<li><a href="http://www.ansibleworks.com/docs/modules.html">Modules</a></li>
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</ul>
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</div>
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</div>
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<div class="about-the-site">
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<div class="container">
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<p class='blurb'>
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<strong><a href=".">Devhints.io cheatsheets</a></strong> is a collection of cheatsheets I've written over the years.
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Suggestions and corrections? <a href='https://github.com/rstacruz/cheatsheets/issues/907'>Send them in</a>.
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<i class='fleuron'></i>
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I'm <a href="http://ricostacruz.com">Rico Sta. Cruz</a>.
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Check out my <a href="http://ricostacruz.com/til">Today I learned blog</a> for more.
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</p>
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<p class='back'>
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<a class='big-button -back -slim' href='.#toc'></a>
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