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boklm |
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What is it? |
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=========== |
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A Puppet module that can construct files from fragments. |
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Please see the comments in the various .pp files for details |
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as well as posts on my blog at http://www.devco.net/ |
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Released under the Apache 2.0 licence |
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Usage: |
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------ |
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If you wanted a /etc/motd file that listed all the major modules |
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on the machine. And that would be maintained automatically even |
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if you just remove the include lines for other modules you could |
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use code like below, a sample /etc/motd would be: |
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<pre> |
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Puppet modules on this server: |
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-- Apache |
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-- MySQL |
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</pre> |
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Local sysadmins can also append to the file by just editing /etc/motd.local |
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their changes will be incorporated into the puppet managed motd. |
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<pre> |
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# class to setup basic motd, include on all nodes |
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class motd { |
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include concat::setup |
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$motd = "/etc/motd" |
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concat{$motd, |
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owner => root, |
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group => root, |
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mode => 644 |
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} |
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concat::fragment{"motd_header": |
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target => $motd, |
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content => "\nPuppet modules on this server:\n\n", |
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order => 01, |
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} |
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# local users on the machine can append to motd by just creating |
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# /etc/motd.local |
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concat::fragment{"motd_local": |
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target => $motd, |
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ensure => "/etc/motd.local", |
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order => 15 |
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} |
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} |
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# used by other modules to register themselves in the motd |
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define motd::register($content="", $order=10) { |
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if $content == "" { |
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$body = $name |
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} else { |
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$body = $content |
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} |
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concat::fragment{"motd_fragment_$name": |
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target => "/etc/motd", |
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content => " -- $body\n" |
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} |
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} |
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# a sample apache module |
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class apache { |
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include apache::install, apache::config, apache::service |
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motd::register{"Apache": } |
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} |
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</pre> |
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Known Issues: |
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------------- |
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* In 0.24.8 you will see inintended notifies, if you build a file |
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in a run, the next run will also see it as changed. This is due |
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to how 0.24.8 does the purging of unhandled files, this is improved |
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in 0.25.x and we cannot work around it in our code. |
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Contributors: |
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------------- |
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**Paul Elliot** |
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* Provided 0.24.8 support, shell warnings and empty file creation support. |
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**Chad Netzer** |
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* Various patches to improve safety of file operations |
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* Symlink support |
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**David Schmitt** |
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* Patch to remove hard coded paths relying on OS path |
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* Patch to use file{} to copy the resulting file to the final destination. This means Puppet client will show diffs and that hopefully we can change file ownerships now |
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Contact: |
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-------- |
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You can contact me on rip@devco.net or follow my blog at http://www.devco.net I am also on twitter as ripienaar |
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