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Hey, how to create a (json) file if not present with initial content

{}

? And donot overwrite if already exists. I think

content => '{}'

overwrites.

generate a empty hash and use

to_json_pretty

from stdlib to convert it to

{}

. once it gets content, to_json_pretty would just write the content

content => "{}"

should be fine. I don't think

to_json_pretty

adds any functionality over that. To avoid overwriting, use `replace => false`: https://www.puppet.com/docs/puppet/7/types/file.html#file-attribute-replace

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@gary we should have an answer from legal next week

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does anyone know a good practicle example of using the

with

function with a lambda https://www.puppet.com/docs/puppet/7/function.html#with the example given here is not great, ive struggled to find code using it anywhere

Look at this for example: https://github.com/puppetlabs/community/discussions/28#discussioncomment-4299628

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hi all , its possible to run a resource type before

include

key? I use here

->

(doesnt work) can I also use

before attribute

in package ? thank you all

class myclass {
        $osfamily = $::facts["os"]["family"]
        case $osfamily {
            'RedHat':  {
                package { 'install xinetd':
						ensure => installed,
						name => 'xinetd',
                } -> include myclass::testclass
            }
        }
}

If I understood you right this is what you want

package { ...
  ...
  before => Class['Myclass::Testclass'],
}

thank you so much @Yury Bushmelev, that mean I should include it before the package or after ? or its doesnt matter ? e.g

package { ...
  ...
  before => Class['Myclass::Testclass'],
}

include myclass::testclass

this was very helpfull trick, @Yury Bushmelev: you still should include the testclass (anywhere) but package will be ordered before the testclass resources

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though it’s not really required.. sometimes you should include things just in the block (if-else or unless e.g.)

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“echo ‘${settings_json}’ | …”

businessparrot 🧑‍🏫Puppet Core Team is about to start up in #CFD8Z9A4T

You could probably have puppet write your input to a file and feed that file to your command, that might be a bit more reliable.

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Hi all, I'm having trouble with an onlyif/unless clause on an exec. The basic aim is to add a node to an AWX inventory, but only if it isn't already there. Current code runs every time: exec { 'add_to_inventory': command => "curl blah", unless => "curl (host url from awx) 2>/dev/null | grep -c $hostname", } Command seems to run every puppet run. Any clues?

what is the return code of your

unless

?

curl (host url from awx) 2>/dev/null | grep -c $hostname

Puppet will run the exec unless that

unless

statement returns 0

1 if the host exists, 0 if not

I've tried onlyif and unless though

its certainly a logic issue on both sides