Hello,
I have a subclass which is attempting to append an item, or items, to an
inherited array.
class foo {
$baz = ["one"]
}
class foo::bar inherits foo {
$foo::baz += ["two"]
notice($foo::baz)
}
class foo::qux inherits foo {
$foo::baz += "two"
notice($foo::baz)
}
class { 'foo::bar': }
class { 'foo::qux': }
Results in:
notice: Scope(Class[Foo::Bar]): one
notice: Scope(Class[Foo::Qux]): one two
If I ignore the warnings in the documentation about not using fully
qualified variables, it works:
class foo {
$baz = ["one"]
}
class foo::bar inherits foo {
$baz += ["two"]
notice($baz)
}
class foo::qux inherits foo {
$baz += "two"
notice($baz)
}
class { 'foo::bar': }
class { 'foo::qux': }
Results in:
notice: Scope(Class[Foo::Bar]): one two
notice: Scope(Class[Foo::Qux]): one two
If I append an array to the fully qualified $foo::bar array, it fails. If I
append a string to the fully qualified $foo::bar, it works. *Both* work if
I use locally scoped $bar.
In the module I came across this issue I was originally used the locally
scoped names, the reason I had attempted to change my module to use the
fully qualified name was because puppet-lint returned the following warning:
WARNING: top-scope variable being used without an explicit namespace on
line 17
I note that this message does *not* appear when running puppet-lint on my
second example above, presumably because being all in one file rather than
file-per-class in a module layout means puppet-lint can see the variable in
scope.
So my questions are:
* Is this scope in my second example correct?
* Why is behaviour different in my first example when appending a string
and an array?
Regards,
Nick
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