Posts

Showing posts with the label onlyif

Featured Post

Directory environments in Puppet

Environments are individual groups of Puppet agents each environment have there own completely different manifests and module-paths. This basically is useful for testing changes to our Puppet code before implementing them on production machines. There are two types of implementation of environments structure in Puppet one if directory based and another is config file based here we will see bit of an insight about directory based. As usual for more information about this you can visit puppetlabs official website. On the master node: Append following details in puppet.conf which is placed under /etc/puppet or /etc/puppetlabs/puppet:     Under [main] section add a variable called confdir with value as /etc/puppet or /etc/puppetlabs/puppet     confdir=/etc/puppet Then add information regarding environments/manifests and modulepath in it.      #environments     environmentpath = $confdir/environments  ...
Post a Comment
Read more

Exec in Puppet

Exec is a very useful resource type present in Puppet which is used to executes external commands. Puppet basically runs as a daemon in which it executes every 30 mins. So while writing an exec resource type make sure that the exec resource must be able to run multiple times without causing any harm to the machine i.e. it must be idempotent. Suppose you just want to run a command like reload a service for that what you can do is? exec { "reload httpd": command => "service httpd reload", path => "/usr/local/bin/:/bin/:/sbin/", } Lets break this line by line: exec { "reload httpd": This specifies that the resource type is exec type and has a human readable name as "reload httpd". command => "service httpd reload", This specified which command to execute when puppet is executed. path => "/usr/local/bin/:/bin/:/sbin/", This specifies where the binary service can be found in your mac...
Post a Comment
Read more