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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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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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If one wishes to test if a host has a particular IP address (such as a floating
virtual address) or has an interface on a particular network (such as a
secondary management network), the facts that provide this information are
difficult to use within Puppet.
This patch addresses these needs by implementing functions
‘has_ip_address(value)’ and ‘has_ip_network(value)’. These functions look
through all interfaces for ipaddress_<interface> and network_<interface>
(respectively) having the requested <value>.
These functions are implemented on top of a lower-level predicate
function, ‘has_interface_with(kind, value)’, which iterates through the
interfaces in the ‘interfaces’ fact and checks the facts <kind>_<interface>
looking for <value>.
Additionally, the existence of a particular named interface can be checked for
by calling with only a single argument: has_interface_with(interface).
A Boolean is returned in all cases.
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The ensure_resource function actually calls two
other functions, create_resources and defined_with_param.
When calling Puppet functions from Ruby, you sometimes have
to load the functions manually if they have not been called
before.
This commit explicitly loads the functions that ensure_resource
depends on from within the function.
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This commit refactors to ensure 80 character lines.
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This commit adds better inline documentation
explaining how replicate resource definitions can
occur if the resource exists and does not have
matching parameters.
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This commit adds better handling of the case where
undef is passed as the parameter value.
This works by converting '' into []
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This commit adds 2 new functions with unit tests.
defined_with_params works similarily to puppet's defined
function, except it allows you to also specify a hash of
params. defined_with_params will return true if a resource
also exists that matches the specified type/title (just like
with defined) as well as all of the specified params.
ensure_resource is a function that basically combines defined_with_params
with create_resources to conditionally create resources only if the
specified resource (title, type, params) does not already exist.
These functions are created to serve as an alternative to using
defined as follows:
if ! defined(Package['some_package']) {
package { 'some_package': ensure => present,
}
The issue with this usage is that there is no guarentee about
what parameters were set in the previous definition of the package
that made its way into the catalog.
ensure_resource could be used instead, as:
ensure_resource('package', 'some_package', { 'ensure' => 'present' })
This will creat the package resources only if another resource does
not exist with the specified parameters.
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Converts a string like "2 MB" to the value in bytes. Useful for
comparisons on facts that return a human readable number instead of
machine readable.
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* 2.3.x:
Make sure functions are loaded for each test
Use rvalue functions correctly
(Maint) Don't mock with mocha
(Maint) Fix up the get_module_path parser function
(Maint) use PuppetlabsSpec::PuppetSeams.parser_scope (2.3.x)
(Maint) Rename PuppetlabsSpec::Puppet{Seams,Internals}
(Maint) use PuppetlabsSpec::PuppetSeams.parser_scope
(Maint) Fix interpreter lines
Update CHANGELOG, Modulefile for 2.3.3
fix regression in #11017 properly
Fix spec tests using the new spec_helper
Update CHANGELOG for 2.3.2 release
Make file_line default to ensure => present
Memoize file_line spec instance variables
Fix spec tests using the new spec_helper
Revert "Merge remote-tracking branch 'eshamow/tickets/bug/13595_restrict_initialize_everything_for_tests' into 2.2.x"
(#13595) initialize_everything_for_tests couples modules Puppet ver
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This patch switches the spec tests for the get_module_path function to
use mock objects. The underlying Puppet::Module.find method has
reasonable test coverage inside of Puppet core so we might as well break
the tight dependency while we're fixing up the specs to use the new
parser scope.
The behavior of the parser function itself should still have complete
coverage even though the tests have switched to mock the implementation
inside of Puppet.
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(#13205) Rotate array/string randomley based on fqdn, fqdn_rotate()
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* 2.2.x:
(#13494) Specify the behavior of zero padded strings
Update CHANGELOG, Modulefile for 2.1.3
Conflicts:
CHANGELOG
Modulefile
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Without this patch the specified behavior of strings that are numeric
only and zero padded is unclear and untested in the spec tests. This is
a problem because it's not clear that range('00', '10') will actually
return [ "0", "1", ..., "10" ] instead of [ "00", "01", ..., "10" ]
This patch addresses the issue by providing explicit test coverage. If
the string conversion behavior of puppet changes, this test will begin
to fail.
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Without this patch, the previous change set to the
validate_absolute_path() parser function contains Puppet 2.6
incompatible changes. stdlib 2.x is compatible with Puppet 2.6. These
changes are a problem because we cannot introduce backwards incompatible
changes in a minor release.
This patch fixes the problem by back porting the implementation of the
`Puppet::Util.absolute_path?` from 2.7.x to the function block itself.
The function block tests to see if `Puppet::Util.absolute_path?` will
respond and if not, falls back to the inline back ported implementation.
The spec tests have been updated to simulate the behavior of Puppet 2.6
even when running with Puppet 2.7.
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Just added a comment about why we're doing what we're doing.
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The any? method doesn't exist for 1.9.x, this converts a string to a single
element array to work around the problem.
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I've seen a number of times the following error displayed to the end
user:
validate_re(): "" does not match "^true$|^false$" at /p/t/f.pp:40
This is an absolutely horrific error message. I'm to blame for it.
Users stumble over this quite often and they shouldn't have to go read
the code to sort out what's happening.
This patch makes an effort to fix the problem by adding a third,
optional, argument to validate_re(). This third argument will be the
message thrown back in the exception which will be displayed to the end
user.
This sets the stage for nicer error messages coming from modules we
write.
This patch is backwards compatible but is a new feature.
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This patch adds a new function to validate if a string is an absolute
filesystem path or not.
The intent of this is to make this functionality generic and reusable.
Josh left a comment in another pull request I had:
If node_installdir or $node_vardir is not defined, then we should
raise an error, otherwise we may create a scheduled task to an
untrusted directory.
One solution to this comment is to validate the Puppet variable is an
absolute path.
Examples of this function look like:
function_validate_absolute_path
Using Puppet::Parser::Scope.new
Garbage inputs
validate_absolute_path(nil) should fail
validate_absolute_path([nil]) should fail
validate_absolute_path({"foo"=>"bar"}) should fail
validate_absolute_path({}) should fail
validate_absolute_path("") should fail
relative paths
validate_absolute_path("relative1") should fail
validate_absolute_path(".") should fail
validate_absolute_path("..") should fail
validate_absolute_path("./foo") should fail
validate_absolute_path("../foo") should fail
validate_absolute_path("etc/puppetlabs/puppet") should fail
validate_absolute_path("opt/puppet/bin") should fail
absolute paths
validate_absolute_path("C:/") should not fail
validate_absolute_path("C:\\") should not fail
validate_absolute_path("C:\\WINDOWS\\System32") should not fail
validate_absolute_path("C:/windows/system32") should not fail
validate_absolute_path("X:/foo/bar") should not fail
validate_absolute_path("X:\\foo\\bar") should not fail
validate_absolute_path("/var/tmp") should not fail
validate_absolute_path("/var/lib/puppet") should not fail
validate_absolute_path("/var/opt/../lib/puppet") should not fail
validate_absolute_path("C:\\Program Files (x86)\\Puppet Labs\\Puppet Enterprise") should not fail
validate_absolute_path("C:/Program Files (x86)/Puppet Labs/Puppet Enterprise") should not fail
Finished in 0.05637 seconds
23 examples, 0 failures
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This function is used to validate a string is less than a maximum length. The
string, or array of strings, is passed as the first argument to the function.
The maximum length of the string is passed as the second argument.
It is useful to validate, for example, that Puppet is not sending a username
to a downstream system that the system cannot cope with, but that might not
cause an error message - for example, MySQL will not accept a username of
more than 16 characters. This enables a Puppet administrator to validate
the data that it may have been passed from upstream through, for example,
Hiera.
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