On Tue, Apr 16, 2013 at 1:29 PM, Gary Park <[email protected]> wrote: > Hello, > > Thanks for getting back to me. > > I think I forgot to mention, I am using this: > > http://forge.puppetlabs.com/joshcooper/powershell > > Does this "change" how the onlyif parameter interprets what it is provided? >
yes it should. the onlyif and unless parameters should be interpreted the same was the command parameter. > > Thanks > > Gary > > On Tuesday, April 16, 2013 3:54:19 PM UTC+1, jcbollinger wrote: > >> >> >> On Monday, April 15, 2013 9:14:21 AM UTC-5, Gary Park wrote: >>> >>> Hello, >>> >>> I am in the process of "trying out" Puppet, and so far, it is going >>> really well, and I can see a clear line of how we can use it internally. >>> >>> I do have one question though with regard to the using the onlyif >>> parameter of the exec command (as per here http://docs.puppetlabs.** >>> com/references/latest/type.**html#exec<http://docs.puppetlabs.com/references/latest/type.html#exec> >>> ). >>> >>> Ideally, what I would like to do is to only run a PowerShell exec >>> command, if a web page doesn't currently exist on the server (i.e. the >>> PowerShell script is responsible for deploying the Web Pages (into >>> SharePoint in this case) and I only want to run this step, if these pages >>> don't already exist. To that end, I have done something like this: >>> >>> onlyif => '$webRequest = [System.Net.WebRequest]::**Create(" >>> http://some-url.test.**aspx <http://some-url.test.aspx>"); $webRequest.* >>> *UseDefaultCredentials = $true; try { >>> if([int]$webRequest.**GetResponse().StatusCode >>> -eq "200") { exit 0; } else { exit 1; } } catch [System.Net.WebException] { >>> exit 1; }' >>> >>> Which, at the command line, has the correct result. However, when I try >>> to run this, I get an error saying that $webRequest is not recognised. >>> >> >> >> Puppet invokes the specified command directly, not via the [standard | >> Power] shell, so whether that works at the (some) command line is >> irrelevant. >> >> >> >>> >>> Which leads me to think that using variables within the onlyif is not >>> supported. Is that correct? If so, what is the best approach for doing >>> this, or am I going up the wrong path? >>> >>> >> >> No, that's not correct. I suppose you expect '$webRequest' to be >> meaningful to (and the whole command sequence to be executed by) >> PowerShell, but you haven't told Puppet to run it via PowerShell. Instead, >> you've told Puppet to execute a command named literally '$webRequest'. >> Refer to the docs on the Exec type's "windows" provider for information and >> examples of how to make this sort of thing work: docs.puppetlabs.com/** >> references/3.1.latest/type.**html#exec<http://docs.puppetlabs.com/references/3.1.latest/type.html#exec>. >> What they say about the 'command' parameter applies equally to 'onlyif'. >> >> >> John >> >> -- > You received this message because you are subscribed to the Google Groups > "Puppet Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/puppet-users?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "Puppet Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/puppet-users?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
