309 lines
9.5 KiB
HTML
309 lines
9.5 KiB
HTML
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File: README
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— Documentation by YARD 0.9.9
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<p>|Repo Name| version | Build
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Status|
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|---|---|---|---|
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|<code>cd_nagios</code>| 0.0.0.7 | <a
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href="https://jenkins.confdroid.com/buildStatus/icon?job=cd_nagios">{Build
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Status</a>/]|</p>
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<h3 id="label-Synopsis">Synopsis</h3>
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<p>Nagios is a powerful open source software solution for monitoring your IT
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environments.</p>
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<p><code>cd_nagios</code> is a Puppet module allowing to fully automate the
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setup & configuration of the Nagios server, as well as actively adding
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client hosts and services to the monitoring environment through PuppetDB.</p>
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<h3 id="label-WARNING">WARNING</h3>
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<p><code>**__!!! Attention: Never use this puppet module on systems which have
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been previously configured manually. It is impossible to predict how and
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what would have been configured, hence previuos configurations outside the
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scope of this module may be overwritten! Automated configurations require a
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test environment to verify that the module suits the purpose intended by
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the user, as well as tune the parameters, before deploying into live
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production!!! __**</code></p>
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<h3 id="label-Table+of+Contents">Table of Contents</h3>
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<ul><li>
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<p><a href="#features">Features</a></p>
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</li><li>
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<p><a
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href="https://gitlab.puppetsoft.com/12WW1160/cd_nagios/blob/master/REPOSTRUCTURE.md">Repo
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Structure</a></p>
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</li><li>
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<p><a href="#dependencies">Dependencies</a></p>
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</li><li>
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<p><a href="#deployment">Deployment</a></p>
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</li><li>
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<p><a href="#native-puppet-deployment">native Puppet deployment</a></p>
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</li><li>
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<p><a href="#through-foreman">through Foreman</a></p>
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</li><li>
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<p><a href="#parameters">Parameters</a></p>
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</li><li>
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<p><a href="#mandatory-parameters">Mandatory Parameters</a></p>
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</li><li>
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<p><a href="#optional-parameters">Optional Parameters</a></p>
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</li><li>
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<p>[PuppetDB]</p>
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</li><li>
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<p><a href="#selinux">SELINUX</a></p>
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</li><li>
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<p><a href="#known-problems">Known Problems</a></p>
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</li><li>
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<p><a href="#support">Support</a></p>
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</li><li>
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<p><a href="#tests">Tests</a></p>
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</li><li>
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<p><a
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href="https://gitlab.puppetsoft.com/12WW1160/cd_nagios/blob/master/CHANGELOG.md">Changelog</a></p>
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</li><li>
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<p><a href="https://confdroid.com/contact/">Contact Us</a></p>
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</li><li>
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<p><a href="#disclaimer">Disclaimer</a></p>
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</li></ul>
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<h3 id="label-Features">Features</h3>
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<p>Installation:
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* install httpd
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* install server binaries on Nagios server
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*
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install client binaries on clients</p>
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<p>Configuration
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* configure all aspects of Nagios on server
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* manage
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directories (filesystem permissions, selinux )
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* manage cgi.cfg through
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parameters
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* manage nagios users through external Puppet rules via define
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*
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configure NRPE on clients (optional)
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* configure firewall (optional)
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*
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configure selinux policies (optional)
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* configure forwarding http to https
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including accesing the /nagios url directly (optional)</p>
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<p>Service
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* manage Nagios service on server
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* manage NRPE service on clients
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(optional)</p>
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<h3 id="label-Repo+Structure">Repo Structure</h3>
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<p>Repostructure has moved to REPOSTRUCTURE.md in repo.</p>
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<h3 id="label-Dependencies">Dependencies</h3>
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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
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href="https://gitlab.puppetsoft.com/12WW1160/cd_resources">cd_resources</a>
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for Yum repos.</p>
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</li><li>
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<p><a href="https://gitlab.puppetsoft.com/12WW1160/cd_apache">cd_apache</a>
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for installing httpd</p>
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</li><li>
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<p><a
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href="https://gitlab.puppetsoft.com/12WW1160/cd_firewall">cd_firewall</a>
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or <a href="https://github.com/puppetlabs/puppetlabs-firewall">puppetlabs
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firewall</a> (optional)</p>
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</li><li>
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<p><a href="https://gitlab.puppetsoft.com/12WW1160/cd_selinux">cd_selinux</a>
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for selinux policy adjustments</p>
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</li></ul>
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<h3 id="label-Deployment">Deployment</h3>
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<h5 id="label-native+Puppet+deployment">native Puppet deployment</h5>
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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 cd_puppetdb
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}</code></pre>
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<h4 id="label-through+Foreman%3A">through Foreman:</h4>
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<p>In order to apply parameters through Foreman,
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<strong>cd_nagios::params</strong> must be added to the host or hostgroup
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in question.</p>
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<p>See <a
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href="https://confdroid.com/2017/05/deploying-our-puppet-modules/">more
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details about class deployment on Confdroid.com</a>.</p>
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<h3 id="label-Parameters">Parameters</h3>
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<p>The following parameters are editable via params.pp or through ENC
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(<strong>recommended</strong>). Values changed will take immediate effect
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at next puppet run. Services will be restarted where neccessary.</p>
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<h4 id="label-Mandatory+Parameters">Mandatory Parameters</h4>
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<p>The following parameters must be set to make the module logic work
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properly:</p>
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<ul><li>
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<p><code>$ng_nagios_server</code> : Specify the FQDN of the nagios server
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host. Must be a proper A-name, no CNAME i.e. on Loadbalancers. When the
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FQDN matches the configured value, Nagios server components will be
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installed and the clients will allow to be connected by that host. Impacts
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also firewall ports (optional).</p>
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</li></ul>
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<h4 id="label-Optional+Parameters">Optional Parameters</h4>
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<ul><li>
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<p><code>$ng_include_nrpe</code> : Whether to include NRPE as means for the
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Nagios server to connect to clients. Defaults to <code>true</code>.</p>
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</li><li>
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<p><code>$ng_include_fw</code> : Whether to include firewall management.
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Requires <a
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href="https://github.com/puppetlabs/puppetlabs-firewall">puppetlabs
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firewall</a> or <a
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href="https://gitlab.puppetsoft.com/12WW1160/cd_firewall">cd_firewall</a>,
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which is a clone of the puppetlabs firewall but tested to be fully
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functioning with all our features.</p>
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</li></ul>
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<p>See the <a href="https://confdroid.com/2017/07/cd_nagios-parameters/">full
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list of all available parameters</a></p>
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<h3 id="label-PuppetDB">PuppetDB</h3>
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<p>A working instance of PuppetDBconnected to the Puppet master is required
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for this to work. Installation and configuration of PuppetDB is out of
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scope for this module, however <a
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href="https://gitlab.puppetsoft.com/12WW1160/cd_puppetdb">cd_puppetdb</a>
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is available to automate this task for you as well within a few minutes.</p>
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<h3 id="label-SELINUX">SELINUX</h3>
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<p>All files and directories are configured with correct selinux context. If
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selinux is disabled, these contexts are ignored.</p>
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<h3 id="label-Known+Problems">Known Problems</h3>
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<h3 id="label-Support">Support</h3>
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<ul><li>
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<p>OS: CentOS 6, 7</p>
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</li><li>
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<p>Puppet 3.x</p>
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</li></ul>
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<h3 id="label-Tests">Tests</h3>
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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-class_inherits_from_params_class-check</code>:relavant only to
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non-supported outdated puppet versions</p>
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</li><li>
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<p><code>--no-variable_scope-check</code>: not applicable as we are inheriting
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parameters from params class. the lint check does not distinguish between
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facts and inherited parameters.</p>
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</li><li>
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<p><code>--no-80chars-check</code>: it is not always possible to stay within
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80 characters, although typically only occurring on the parameter vault
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<code>params.pp</code>.</p>
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</li><li>
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<p><code>--no-arrow_alignment-check</code>: this check leads to actually not
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having am easily readable arrow alignment, as this checks <code>per
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block</code>, not per class.</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>Test for unwanted UTF8 files in the Puppet code as this causes problems
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with PuppetDB (see tests/UTF_Files)</p>
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</li></ul>
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<h3 id="label-Contact+Us">Contact Us</h3>
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<p><a href="https://confdroid.com/contact/">contact Us</a></p>
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<h3 id="label-Disclaimer">Disclaimer</h3>
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<p>ConfDroid as entity is entirely independent from Puppet. We provide custom
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configuration modules, written for specific purposes and specific
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environments.
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The modules are tested and supported only as documented, and
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require testing in designated environments (i.e. lab or development
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environments) for parameter tuning etc. before deploying into production
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environments.</p>
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</div></div>
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<div id="footer">
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Generated on Fri Jul 21 15:43:21 2017 by
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<a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
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0.9.9 (ruby-2.0.0).
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