NUB here with a question as I go through the tutorials

[Erik Ritzman]

I am fairly new to DSP and am experimenting as I follow along with the Puppet Tutorial

Playing off of the Task 1 in the Conditionals section...

 my conditionals.pp worked as the example gave; however I was wanting to add on the "else" statement what the "uptime" is and then to state when the device was last rebooted.

if $::uptime_hours < 2 {

  $myuptime = "Uptime is less than two hours. \n"

}

  elsif $::uptime_hours < 5 {

    $myuptime = "Uptime is less than five hours. \n"

  }

  else {

$reboot_time = "${who -b}"

    $myuptime = "Uptime is greater than 4 hours. \n

    Your uptime is $uptime.\n

Your last reboot was $reboot_time."

  }

  file {'/root/conditionals.txt':

    ensure  => present,

    content => $myuptime,

    }

My output ends up being 

 

Uptime is greater than 4 hours. 

    Your uptime is 4 days.

Your last reboot was { -b}.

Again, I'm just learning here ...

how would I go about adding the "bash command to pull the "who -b" and echoing it to the appropriate spot?

[Walid]

you would need the exec resource to execute the "who -b" and filters you apply to it 

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[Felix Frank]

Ah, but that won't solve the stated problem.

The $uptime can be used in some Puppet output because it is available as a fact value. To make similar use of the last reboot time, you would need to create a custom fact that will make this value available.

To use shell code for this, use external facts.

modules/site/facts.d/last_reboot:
#!/bin/sh
echo last_reboot=`who -b`

The manifest can use this value as $last_reboot then.

HTH,
Felix

On 10/29/2014 06:22 PM, Walid wrote: