Puppet is not executing scripts in order.

[Ayyanar]

== My site.pp contains shell script executing. I need to run this file according to this order.

class hadinstall {

    file { "/home/haas/a1.sh":
        mode => "0755",
        owner => 'haas',
        group => 'haas',
        source => 'puppet:///modules/scripts/01-hadoop-install.sh',
    }

    exec { "/home/haas/a1.sh":
    }

}

class haddir {
    file { "/home/haas/b1.sh":
        mode => "0755",
        owner => 'haas',
        group => 'haas',
        source => 'puppet:///modules/scripts/02-hadoop-directories.sh',
    }

    exec { "/home/haas/b1.sh":
    }

}

class hadconf {
    file { "/home/haas/hadoop-config.jar":
        mode => "0755",
        owner => 'haas',
        group => 'haas',
        source => 'puppet:///modules/scripts/hadoop-config.jar',
    }

    file { "/home/haas/c1-.sh":
        mode => "0755",
        owner => 'haas',
        group => 'haas',
        source => 'puppet:///modules/scripts/03-hadoop-config-jar-extract.sh',
    }

    exec { "/home/haas/c1.sh":
    }
}


class hadconfextract {
    file { "/home/haas/d1.sh":
        mode => "0755",
        owner => 'haas',
        group => 'haas',
        source => 'puppet:///modules/scripts/04-hadoop-config.sh',

    exec { "/home/haas/d1.sh":
    }

}



But in agent executes file in different order. How to solve this.


[root@h1 manifests]# puppet apply site.pp
Notice: Compiled catalog for h1.lab.orzota.com in environment production in 0.13 seconds
Notice: /Stage[main]/D/Exec[/root/d1.sh]/returns: executed successfully
Notice: /Stage[main]/C/Exec[/root/a1.sh]/returns: executed successfully
Notice: /Stage[main]/A/Exec[/root/b1.sh]/returns: executed successfully
Notice: /Stage[main]/B/Exec[/root/c1.sh]/returns: executed successfully
Notice: Finished catalog run in 0.40 seconds
[root@h1 manifests]#

[Vlado Peshov]

Hi,

I think this link could help you:

https://docs.puppetlabs.com/puppet/latest/reference/lang_relationships.html

Regards,
--

Vlado Peshov

[John Zimmerman]

In general puppet is a poor script executor as it wasn't designed to do that.

You'll can use explicit ordering and chaining as described in the link given or you can look at what you are doing in your shell scripts and refactor into puppet code.  In the long run you will be a lot better off refactoring your shell scripts as you'll be able to take advantage of things Puppet was designed to do.

Exec should be used as a last resort to accomplish something Puppet does not support.

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[ayy...@orzota.com]

Thanks,
i wll look to it.