update define with array
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Arne Teuke
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File: README
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— Documentation by YARD 0.9.36
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<div id="content"><div id='filecontents'>
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<h1 id="label-Readme">Readme</h1>
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<p><a href="https://pipelines.confdroid.com/job/haproxy_cd/"><img src="https://pipelines.confdroid.com/buildStatus/icon?job=haproxy_cd"></a>|</p>
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<p>[[<em>TOC</em>]]</p>
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<h2 id="label-Synopsis">Synopsis</h2>
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<p><code>HA Proxy</code> is a very powerful and popular open source load balancer to balance incoming requests between multiple instances of web-, application- or database servers etc.</p>
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<p><code>haproxy_cd</code> automates installation and configuration of <code>HA proxy</code> including self-healing, monitoring and firewall etc.</p>
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<h2 id="label-WARNING">WARNING</h2>
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<p><strong><em>Attention: Never use this puppet module on systems which have been previously configured manually. It is impossible to predict how and what would have been configured, hence previous configurations outside the scope of this module may be overwritten! Automated configurations require a test environment to verify that the module suits the purpose intended by the user, as well as tune the parameters, before deploying into live production</em></strong></p>
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<h2 id="label-Features">Features</h2>
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<p>INSTALLATION</p>
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<ul><li>
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<p>install rpm binaries</p>
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</li></ul>
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<p>CONFIGURATION</p>
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<ul><li>
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<p>manage haproxy user</p>
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</li><li>
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<p>manage directories (file system permissions, selinux context)</p>
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</li><li>
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<p>manage files (file system permissions, content, selinux context)</p>
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</li><li>
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<p>manage proxy instances through a define</p>
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</li><li>
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<p>front-end options</p>
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</li><li>
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<p>back-end options</p>
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</li><li>
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<p>ACL options</p>
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</li><li>
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<p>manage fail2ban integration (optional, requires fail2ban_cd module)</p>
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</li></ul>
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<p>SERVICE</p>
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<ul><li>
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<p>manage haproxy service</p>
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</li><li>
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<p>restart service after changes in the configuration</p>
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</li></ul>
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<h2 id="label-Dependencies">Dependencies</h2>
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<p>All dependencies must be included in the catalogue.</p>
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<ul><li>
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<p><a href="https://sourcecode.confdroid.com/12WW1160/cd_resources">cd_resources</a> for managing yum base repos</p>
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</li><li>
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<p><a href="https://sourcecode.confdroid.com/12ww1160/cd_concat">cd_concat</a> or <a href="https://github.com/puppetlabs/puppetlabs-concat">concat</a> for managing file fragments</p>
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</li></ul>
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<h2 id="label-Deployment">Deployment</h2>
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<ul><li>
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<p>native Puppet deployment</p>
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</li></ul>
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<p>via site.pp or nodes.pp</p>
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<pre class="code ruby"><code class="ruby">node 'example.example.net' {
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include haproxy_cd
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}
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</code></pre>
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<ul><li>
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<p>through Foreman:</p>
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</li></ul>
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<p>In order to apply parameters through Foreman, <strong>haproxy_cd::params</strong> must be added to the host or host group in question.</p>
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<p>See <a href="https://confdroid.com/2017/05/deploying-our-puppet-modules/">more details about class deployment on Confdroid.com</a>.</p>
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<h2 id="label-Parameters">Parameters</h2>
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<p>The parameters are documented via puppet strings and <a href="/docs/index.html">listed here</a>. Simply open in web browser.</p>
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<h2 id="label-Proxy+Configuration">Proxy Configuration</h2>
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<p>The proxy instances are configured in /etc/haproxy/haproxy.cfg, which is concatenated from various templates through a define in this puppet module. In order to create proxy instances, you will need an external class, which addresses the define, like so:</p>
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<pre class="code ruby"><code class="ruby">haproxy_cd::server::proxy { 'testing':
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haproxy_fqdn => 'node.example.net',
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frontend_name => 'test01-frontend',
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frontend_mode => 'http',
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acl_rule => ['too_fast fe_sess_rate ge 10',
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'network_allowed src 0.0.0.0/0'],
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backend_name => 'test01-backend',
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}
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</code></pre>
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<p>This allows the puppet module to create the sections in the configuration file as required. The haproxy service will be restarted after the changes in the configuration file are made. <code>haproxy_fqdn</code> <strong>must</strong> contain the fqdn of the haproxy <strong>server</strong> where this should be configured, otherwise the templates are not being populated. Multiple ACLs need to be added as array, and will create one line each.</p>
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<h2 id="label-SELINUX">SELINUX</h2>
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<p>All files and directories are configured with correct selinux context. If selinux is disabled, these contexts are ignored.</p>
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<h2 id="label-Known+Problems">Known Problems</h2>
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<h2 id="label-Support">Support</h2>
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<ul><li>
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<p>OS: Rocky 9</p>
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</li><li>
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<p>Puppet 8</p>
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</li></ul>
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<h2 id="label-Tests">Tests</h2>
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<ul><li>
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<p>Puppet Lint</p>
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</li><li>
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<p>excluded tests:</p>
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<ul><li>
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<p><code>--no-variable_scope-check</code>: not applicable as we are inheriting parameters from params class. the lint check does not distinguish between facts and inherited parameters.</p>
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</li></ul>
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</li><li>
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<p>Puppet Parser</p>
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</li><li>
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<p>ERB Template Parser</p>
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</li><li>
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<p>Sonar Quality Gate</p>
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</li></ul>
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<h2 id="label-Contact+Us">Contact Us</h2>
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<p><a href="https://confdroid.com/contact/">contact Us</a></p>
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<h2 id="label-Disclaimer">Disclaimer</h2>
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<p>ConfDroid as entity is entirely independent from Puppet. We provide custom configuration modules, written for specific purposes and specific environments. The modules are tested and supported only as documented, and require testing in designated environments (i.e. lab or development environments) for parameter tuning etc. before deploying into production environments.</p>
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</div></div>
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Generated by <a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>.
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