For instance, I'm not above grabbing "env" or "machine" from:
trigger.ruby do |env, machine|
... and running instance_variable_set("@my_global_var", "my value") on one
of them, but I don't know if that would work or how I'd refer to the
variable outside of the trigger.
Thanks,
Jamie
On Wed, Aug 21, 2019 at 4:17 PM Jamie Jackson <[email protected]> wrote:
> Thanks, Brian,
>
> My migrations from the vagrant-triggers plugin to the native triggers
> implementation have been pretty rough, but thanks for the help so far.
>
> I'm open to (ugly) workarounds since I have to stop spending cycles on
> this. Can anybody think of creative workarounds for doing this, whether
> it's gaining access to some global scope from the trigger or something else?
>
> Thanks,
> Jamie
>
> On Mon, Aug 19, 2019 at 7:02 PM Brian Cain <[email protected]> wrote:
>
>>
>>
>> On Mon, Aug 19, 2019 at 1:55 PM Jamie Jackson <[email protected]>
>> wrote:
>>
>>> How would I set a variable in a trigger if I wanted it to be available
>>> in a provisioner?
>>>
>>
>> Hi there -
>>
>> Variables defined inside the ruby trigger are limited to that triggers
>> scope, and aren't made
>> available outside the Ruby block. There are probably some work arounds if
>> you need some value
>> that the Ruby trigger has if a different provisioner needs it, but a new
>> Ruby variables' scope is still
>> limited to that Ruby block.
>>
>> Thanks!
>>
>>
>>>
>>> Here's a quick (failing) test case:
>>>
>>>
>>> # -*- mode: ruby -*-
>>>
>>> # vi: set ft=ruby :
>>>
>>>
>>> Vagrant.configure("2") do |config|
>>>
>>> config.vm.box = "ubuntu/bionic64"
>>>
>>>
>>>
>>> config.trigger.before [:up, :provision] do |trigger|
>>>
>>> trigger.ruby do |env, machine|
>>>
>>> var_derived_in_ruby_trigger = "hi"
>>>
>>> end
>>>
>>> end
>>>
>>>
>>>
>>> config.vm.provision "read_var_from_trigger",
>>>
>>> type: "shell",
>>>
>>> privileged: false,
>>>
>>> inline: "echo '[#{var_derived_in_ruby_trigger}']"
>>>
>>>
>>>
>>> end
>>>
>>>
>>> Output:
>>>
>>>
>>> $ vagrant up
>>> Vagrant failed to initialize at a very early stage:
>>>
>>> There was an error loading a Vagrantfile. The file being loaded
>>> and the error message are shown below. This is usually caused by
>>> an invalid or undefined variable.
>>>
>>> Path: /Users/jjackson/eclipse-workspace/simplevagrant/Vagrantfile
>>> Line number: 20
>>> Message: undefined local variable or method `var_derived_in_ruby_trigger
>>>
>>>
>>> Thanks,
>>> Jamie
>>>
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>>> .
>>>
>>
>>
>> --
>> Brian Cain
>>
>> --
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>> .
>>
>
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