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pass over undefs without failing
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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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When prefix and suffix did error checking with positional arguments,
they would not report the position of the argument that failed to
validate. This commit changes the messages to indicate which argument
failed.
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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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Without this patch applied we're getting the following spec failure, but
only in the MRI 1.8 matrix cells.
Failures:
1) getparam when compared against a resource with params
Failure/Error: should run.with_params('User[dan]', '').and_return('')
ArgumentError:
interning empty string
# ./vendor/ruby/1.8/gems/puppet-3.0.2/lib/puppet/parser/resource.rb:42:in `intern'
# ./vendor/ruby/1.8/gems/puppet-3.0.2/lib/puppet/parser/resource.rb:42:in `[]'
# ./lib/puppet/parser/functions/getparam.rb:29:in `real_function_getparam'
# ./vendor/ruby/1.8/gems/puppet-3.0.2/lib/puppet/parser/functions.rb:63:in `send'
# ./vendor/ruby/1.8/gems/puppet-3.0.2/lib/puppet/parser/functions.rb:63:in `function_getparam'
# ./vendor/ruby/1.8/gems/rspec-puppet-0.1.5/lib/rspec-puppet/matchers/run.rb:8:in `call'
# ./vendor/ruby/1.8/gems/rspec-puppet-0.1.5/lib/rspec-puppet/matchers/run.rb:8
# ./vendor/ruby/1.8/gems/rspec-puppet-0.1.5/lib/rspec-puppet/matchers/run.rb:24:in `call'
# ./vendor/ruby/1.8/gems/rspec-puppet-0.1.5/lib/rspec-puppet/matchers/run.rb:24
# ./vendor/ruby/1.8/gems/rspec-expectations-2.11.3/lib/rspec/matchers/extensions/instance_eval_with_args.rb:11:in `instance_exec'
# ./vendor/ruby/1.8/gems/rspec-expectations-2.11.3/lib/rspec/matchers/extensions/instance_eval_with_args.rb:11:in `instance_eval_with_args'
# ./vendor/ruby/1.8/gems/rspec-expectations-2.11.3/lib/rspec/matchers/matcher.rb:60:in `matches?'
# ./vendor/ruby/1.8/gems/rspec-expectations-2.11.3/lib/rspec/expectations/handler.rb:9:in `handle_matcher'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/subject.rb:64:in `should'
# ./spec/functions/getparam_spec.rb:29
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example.rb:113:in `instance_eval'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example.rb:113:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example.rb:253:in `with_around_each_hooks'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example.rb:110:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example_group.rb:378:in `run_examples'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example_group.rb:374:in `map'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example_group.rb:374:in `run_examples'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example_group.rb:360:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example_group.rb:361:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example_group.rb:361:in `map'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/example_group.rb:361:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/command_line.rb:28:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/command_line.rb:28:in `map'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/command_line.rb:28:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/reporter.rb:34:in `report'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/command_line.rb:25:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/runner.rb:69:in `run'
# ./vendor/ruby/1.8/gems/rspec-core-2.11.1/lib/rspec/core/runner.rb:8:in `autorun'
# ./vendor/ruby/1.8/bin/rspec:23
This patch addresses the problem by explicitly returning an empty string if the
string itself is empty. This avoids trying to convert an empty string to a
symbol which is the root cause of the problem.
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As far as i know there's no other puppet-dsl-like way to get parameter of
defined resource, so that's why i implemented getparam function, which takes
resource reference and parameter name and returns parameter value.
Here's another example why this function is really useful:
define config($path, $config_param1, $config_param2) { }
define example_resource($config) {
$path = getparam($config, "path")
notice("Path is $path")
}
define example_resource2($example_resource, $config = getparam($example_resource, "config")) {
$config_param1 = getparam($config, "config_param1")
notice("Config parameter is $config_param1")
}
define example_resource3($example_resource, $config = getparam($example_resource, "config")) {
$config_param2 = getparam($config, "config_param2")
notice("Config parameter is $config_param2")
}
class test_getparam {
config { "config_instance":
path => "/some/config/path",
config_param1 => "someconfigtext1",
config_param2 => "someconfigtext2",
}
example_resource { "example_resource_instance":
config => Config["config_instance"]
}
example_resource2 { "example_resource_instance":
example_resource => Example_resource["example_resource_instance"]
}
example_resource3 { "example_resource_instance":
example_resource => Example_resource2["example_resource_instance"]
}
}
class { "test_getparam": }
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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:
(Maint) Add spec/functions to rake test task
Add example behaviors for ensure_packages() function
Add an ensure_packages function.
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Its often the case that modules need to install a handful of packages.
In some cases its worth breaking these dependencies out into their own
modules (e.g., Java). In others it makes more sense to keep them in the
module. This can be problematic when multiple modules depend on common
packages (git, python ruby, etc). ensure_resource was a good first step
towards solving this problem. ensure_resource does not handle arrays and
for 3 or more packages stamping out ensure_resource declarations is
tedious.
ensure_packages is a convenience function that takes an array of packages
and wraps calls to ensure_resource. Currently users cannot specify
package versions. But the function could be extended to use a hash if
that functionality would be useful.
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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:
Add join_keys_to_values function
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