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(#20684) Add array comparison functions, difference, intersection and union
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don't fail on undef variable in merge
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Included is code, tests and documentation for the difference, intersection
and union functions for comparing arrays.
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added test that '' is accepted
changed a test that a number is correctly rejected with a type error
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Without this patch Puppet Enterprise users who install the most recent
version of stdlib lose the ability to resolve certain facts critical to
the operation of Puppet Enterprise. These facts are defined externally
in the file
`/etc/puppetlabs/facter/facts.d/puppet_enterprise_installer.txt`.
As an example, Puppet Enterprise catalogs fail to compile if the
`fact_stomp_server`, and `fact_stomp_port` facts are not defined.
`facter_dot_d` was removed from stdlib version 4 because Facter version
1.7 now supports external facts defined in
`/etc/puppetlabs/facter/facts.d/puppet_enterprise_installer.txt`.
Puppet Enterprise does not yet include Facter 1.7, however. The most
recent PE release, 2.8.1, includes Facter 1.6.17. With this version of
Facter, users who replace the version of stdlib that ships with PE with
the most recent version from the Forge will lose the ability to resolve
facts from
`/etc/puppetlabs/facter/facts.d/puppet_enterprise_installer.txt`.
This patch addresses the problem by detecting if Facter version < 1.7 is
loaded. If so, then the facter_dot_d.rb facts will be defined using the
stdlib custom fact. If Facter >= 1.7 is being used then stdlib will not
define external facts.
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Without this patch the expected behavior of the count() function when
dealing with an out of bound array index and with a hash key that does
not exist is implicitly encoded in the spec examples. This is a problem
because the expected behavior is not clear for something similar to the
following example:
node default {
$ary = [ 1, 2, 3 ]
$ary_undef = $ary[100]
$hsh = { 'one' => 1 }
$hsh_undef = $hsh['dne']
$count = count(['hi', $ary_undef, $hsh_undef])
notice "Count is ${count}"
}
This patch addresses the problem by making the expected behavior
explicit in the examples.
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Similar to the ruby count method on arrays.
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This change is to implement a new function "any2array", which will take any
argument or arguments and create an array which contains it. If the argument
is a single array then it will be returned as-is. If the argument is a single
hash then it will be converted into an array. Otherwise (if there are more than
one argument, or the only argument is not an array or a hash) the function will
return an array containing all the arguments.
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* use Float() to process string arguments
* get rid of doubly nested arrays
* removing needless ternary operator
* improving error message handling
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This is a bit more heavy-handed than I might like, but it does appear to
do the right things:
* accepts numeric input appropriately, truncating floats
* matches string input against a regex, then coerces number-looking
strings to int
* makes a best effort to coerce anything else to a string, then subjects
it to the same treatment
* raises an error in the event of incorrect number of arguments or
non-number-looking strings
I've also included some additional unit tests.
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No more coercing to String and regex matching. Instead, we now coerce
to Integer at the beginning or raise an error if we cannot coerce to
Integer.
A consequence of this change is that the function will now accept
blatantly non-numeric strings as input, and return false. This seems a
bit goofy to me, but it's how String#to_i works. If we really don't
like this, then I'm open to suggestions.
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Also ignore rspec fixtures directory
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Puppet passes numbers as String to functions, but it makes more sense to
compare them as Numeric.
But sometimes Puppet passes them as the wrong type, see:
https://projects.puppetlabs.com/issues/19812
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This function provides a simple wrapper around
Puppet::Parser::Functions.function for access within Puppet manifests.
This will allow users to check whether or not a plugin or functionality
such as hiera is installed on the server.
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The function only uses the first argument, so raise an error with
too few arguments *and* with too many arguments.
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The function only uses the first argument, so raise an error with
too few arguments *and* with too many arguments.
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This reverts commit f7a18189ec338b01b0fc89d75def832753af3868, reversing
changes made to 36a7b29630a4d4de17af79b5dd4e9491ec20b123.
I'm reverting this change because of concerns raised by Peter Meier that
it duplicates the "in" operator in the DSL. The "in" operator is new
information that I did not posses when I made the decision to merge.
Because of this new information I'm un-merging and continuing the
discussion in the comments of
https://projects.puppetlabs.com/issues/19272
Reference: GH-130
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It is exceptionally difficult to determine if an array contains an element matching a specific value without an iteration or loop construct.
This function is the Puppet equivalent of Array.includes?(foo) in Ruby. The implementation is a verbatim copy of has_key() with the minor modifications needed to support arrays instead of hashes.
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Without this patch applied there is no easy way to append one array to
another. This is a problem because it is often desirable to join two
arrays without flattening the contents into a single, one dimensional
array.
This patch addresses the problem by adding a `concat()` function which
takes two arguments. The arguments will be concatenated together and a
new array returned to the caller.
Reviewed-by: Jeff McCune <jeff@puppetlabs.com>
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* 4.x:
Add test/validation for is_float if created from an arithmetical operation
Add test/validation for is_integer if created from an arithmetical operation
Add test/validation for is_numeric if created from an arithmetical operation
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* 4.x:
Add reject() function
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Like the grep function, but we can now reject members of an array
based on a pattern.
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* 4.x:
(#17797) min() and max() functions
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returns the min or max of all arguments given to them
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* 4.x:
(#14670) Fixup file_line autorequire specs
(#14670) autorequire a file_line resource's path
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Without this patch applied the file_line autorequire examples are
failing. This is a problem because the failures are false positives and
should be passing given the implementation.
This patch fixes the problem by changing the examples to directly test
the existence of the relationship by finding it in the list of
autorequire relationships.
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If we manage a file we edit with file_line, it should be autorequired by
file_line. Without this patch applied the relationship is not
automatically setup and the user is forced to manually manage the
relationship.
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* 4.x:
Add join_keys_to_values function
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This commit adds a function that joins each of a hash's keys with that
key's corresponding value, separated by a separator string. The
arguments are a hash and separator string. The return value is an
array of joined key/value pairs.
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* jfryman-master:
puppet-lint cleanup
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Previous to this commit, the delete function only acted on
arrays. This commit adds the same functionality for hashes and strings
in the obvious way: delete(h, k) would delete the k key from the h
hash and delete(s, sub) would delete all instances of the sub
substring from the s string.
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This function is similar to a coalesce function in SQL in that it will
return
the first value in a list of values that is not undefined or an empty
string
(two things in Puppet that will return a boolean false value).
Typically,
this function is used to check for a value in the Puppet
Dashboard/Enterprise
Console, and failover to a default value like the following:
$real_jenkins_version = pick($::jenkins_version, '1.449')
The value of $real_jenkins_version will first look for a top-scope
variable
called 'jenkins_version' (note that parameters set in the Puppet
Dashboard/
Enterprise Console are brought into Puppet as top-scope variables), and,
failing that, will use a default value of 1.449.
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