Jira (PUP-3404) helper functions in custom function
Title: Message Title
James Shubin commented on an issue
Re: helper functions in custom function
If you'll allow me a small rant:
This feature (allowing helper functions) somehow dissapeared, as it used to work just fine. I consider this a huge regression, and taking it out without notice, is no way to convince users that puppetlabs is able to maintain stable releases, if the upstream does this. It's also a very useful feature, so seeing this go is sad.
/rant
In reply to Andy Parker:
Please use PuppetX::ModuleOwnerName::ModuleName. This pattern will avoid collisions with other modules. For example at puppetlabs for the foo module we would put extra helpers in PuppetX::Puppetlabs::Foo.
DON'T do this. It will guarantee that your module is unforkable. binford2k agrees, and instead suggests: 13:48 @binford2k Maybe PuppetX::Modulename::Helpers then
Cheers, James
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
Charlie Sharpsteen commented on an issue
Re: helper functions in custom function
James Shubin: I dug into this a bit more and couldn't reproduce a working function using historical versions of Puppet. The error is present in 3.0.0, 2.7.26 – all the way back to 2.6.18. Then I tried on a system running under Ruby 1.8.7 and everything works fine. So, this break was induced by some sort of scoping change in Ruby 1.9 and not by any change to the Puppet codebase.
The reason we didn't notice this is that neither the core Puppet Functions or any functions in Puppet Labs modules like stdlib contain these sort of helper methods — so there were no tests exercising this functionality. We try very hard to be intentional about breaking backwards compatibility and to do so appropriately using major versions and by documenting backwards incompatibilities. Unfortunately, this change was not the result of an intentional, or even unintentional, action on our part and so
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
Henrik Lindberg commented on an issue
Re: helper functions in custom function
Going forward we have a new API for functions (simply called 4x function API) that will be released in Puppet 4.0 (it can be used since 3.6 with the --parser future option). In the new API you can place helper methods inside the body of code that implements the function, you can have multiple dispatch (different type signatures) and get automatic type checking of arguments. The new functions API also solves a number of other problems.
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
James Shubin commented on an issue
Re: helper functions in custom function
RE: Charlie,
Interesting, I did not consider the ruby version differences, but I was fairly sure this was working with Ruby 2.0.0 at some point. In any case, this should work IMO, because the amount of boilerplate required to add a function is terrible. I also don't like the forced splitting up of different functions that should really be the same. The lambda approach works great, which is what I was using this as. Thanks for looking into this.
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
James Shubin commented on an issue
Re: helper functions in custom function
RE: Henrik,
Sounds like an improvement! Is there any documentation on this that I can look at?
Thanks, James
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
Henrik Lindberg commented on an issue
Re: helper functions in custom function
https://github.com/puppetlabs/puppet-specifications/blob/master/language/func-api.md
Since 3.7 the iterative functions (each, map, filter, reduce, slice) are implemented with this API, so you can see some examples of some more complex functions using the API.
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
James Shubin commented on an issue
Re: helper functions in custom function
RE: Henrik,
Cool... So to confirm, would this be a valid function:
code Puppet::Functions.create_function(:foo) do def foo(bar, baz) def inner_foo(inner_bar, inner_baz) return inner_bar+inner_baz end return 42+inner_foo(bar, baz) end end /code ?
Thanks, James
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title Henrik Lindberg commented on an issue Re: helper functions in custom function No, but this would: Puppet::Functions.create_function(:foo) do def foo(bar, baz) return 42+inner_foo(bar, baz) end def inner_foo(inner_bar, inner_baz) return inner_bar+inner_baz end end The inner_foo method will never be called by puppet. if you like you can add: private :inner_foo
Jira (PUP-3404) helper functions in custom function
Title: Message Title
Philipp commented on an issue
Re: helper functions in custom function
Charlie Sharpsteen With this function structure change i have no problems. But is this solution the right way?
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
Henrik Lindberg commented on an issue
Re: helper functions in custom function
Philipp See my earlier comment. You should not define helper methods inside the function body.
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
Philipp commented on an issue
Re: helper functions in custom function
Henrik Lindberg How and where i define an auxiliary class?
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helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title Henrik Lindberg commented on an issue Re: helper functions in custom function IIRC, you can place it in the PuppetX namespace and include it in your module. # module_root/lib/puppetx/mymodule/myclass.rb module PuppetX::Mymodule class Myclass def self.helper_method(x) # ... impl of method here end end end And then use it in the function like this Puppet::Parser::Function.newfunction(...) do | args|
Jira (PUP-3404) helper functions in custom function
Title: Message Title
Andy Parker commented on an issue
Re: helper functions in custom function
Please use PuppetX::ModuleOwnerName::ModuleName. This pattern will avoid collisions with other modules. For example at puppetlabs for the foo module we would put extra helpers in PuppetX::Puppetlabs::Foo.
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
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Jira (PUP-3404) helper functions in custom function
Title: Message Title Philipp created an issue Puppet / PUP-3404 helper functions in custom function Issue Type: Bug Affects Versions: PUP 3.7.1 Assignee: Unassigned Created: 08/Oct/14 7:03 AM Priority: Normal Reporter: Philipp Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value end result = 1 + helper_function(3) result end end Puppet-Trace: Error: Could not retrieve catalog from remote server: Error 400 on SERVER: undefined method `helper_function' for #Puppet::Parser::Scope:0x007fac297fbd68 at /www/data/puppet-environment/production/modules/httpd/manifests/webserver.pp:193 on node rpm-repo.pixelpark.com /usr/lib/ruby/site_ruby/1.8/puppet/indirector/rest.rb:207:in `is_http_200?' /usr/lib/ruby/site_ruby/1.8/puppet/indirector/rest.rb:100:in `find' /usr/lib/ruby/site_ruby/1.8/puppet/indirector/indirection.rb:201:in `find' /usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:256:in `retrieve_new_catalog' /usr/lib/ruby/site_ruby/1.8/puppet/util.rb:327:in `thinmark' /usr/lib/ruby/1.8/benchmark.rb:308:in `realtime' /usr/lib/ruby/site_ruby/1.8/puppet/util.rb:326:in `thinmark' /usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:255:in `retrieve_new_catalog' /usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:60:in `retrieve_catalog' /usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:103:in `prepare_and_retrieve_catalog'
Jira (PUP-3404) helper functions in custom function
Title: Message Title
Philipp updated an issue
Puppet / PUP-3404
helper functions in custom function
Change By:
Philipp
Hi,IhaveaproblemwithhelperfunctionsincustomfunctionMypuppet-Version:v3.7.1Ifyouneedmoreinformation,letmeknow.Mycustomfunctioninveryshortfrom,butwiththesameerror. {noformat} modulePuppet::Parser::Functionsnewfunction(:httpd_modules,:type=:rvalue)do|args|defhelper_function(value)valueendresult=1+helper_function(3)resultendend {noformat} Puppet-Trace:Error:Couldnotretrievecatalogfromremoteserver:Error400onSERVER:undefinedmethod`helper_function'for#Puppet::Parser::Scope:0x007fac297fbd68at/www/data/puppet-environment/production/modules/httpd/manifests/webserver.pp:193onnoderpm-repo.pixelpark.com/usr/lib/ruby/site_ruby/1.8/puppet/indirector/rest.rb:207:in`is_http_200?'/usr/lib/ruby/site_ruby/1.8/puppet/indirector/rest.rb:100:in`find'/usr/lib/ruby/site_ruby/1.8/puppet/indirector/indirection.rb:201:in`find'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:256:in`retrieve_new_catalog'/usr/lib/ruby/site_ruby/1.8/puppet/util.rb:327:in`thinmark'/usr/lib/ruby/1.8/benchmark.rb:308:in`realtime'/usr/lib/ruby/site_ruby/1.8/puppet/util.rb:326:in`thinmark'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:255:in`retrieve_new_catalog'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:60:in`retrieve_catalog'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:103:in`prepare_and_retrieve_catalog'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:170:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:47:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/agent/locker.rb:20:in`lock'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:47:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:117:in`with_client'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:44:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:82:in`run_in_fork'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:43:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:179:in`call'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:179:in`controlled_run'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:41:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/application/agent.rb:355:in`onetime'/usr/lib/ruby/site_ruby/1.8/puppet/application/agent.rb:321:in`run_command'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:371:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:477:in`plugin_hook'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:371:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/util.rb:479:in`exit_on_fail'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:371:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/util/command_line.rb:137:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/util/command_line.rb:91:in`execute'/usr/bin/puppet:8ThanksforyourhelpPhilipp
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
Charlie Sharpsteen updated an issue
Puppet / PUP-3404
helper functions in custom function
Change By:
Charlie Sharpsteen
Hi,IhaveaproblemwithhelperfunctionsincustomfunctionMypuppet-Version:v3.7.1Ifyouneedmoreinformation,letmeknow.Mycustomfunctioninveryshortfrom,butwiththesameerror.{noformat}modulePuppet::Parser::Functionsnewfunction(:httpd_modules,:type=:rvalue)do|args|defhelper_function(value)valueendresult=1+helper_function(3)resultendend{noformat}Puppet-Trace: {noformat} Error:Couldnotretrievecatalogfromremoteserver:Error400onSERVER:undefinedmethod`helper_function'for#Puppet::Parser::Scope:0x007fac297fbd68at/www/data/puppet-environment/production/modules/httpd/manifests/webserver.pp:193onnoderpm-repo.pixelpark.com/usr/lib/ruby/site_ruby/1.8/puppet/indirector/rest.rb:207:in`is_http_200?'/usr/lib/ruby/site_ruby/1.8/puppet/indirector/rest.rb:100:in`find'/usr/lib/ruby/site_ruby/1.8/puppet/indirector/indirection.rb:201:in`find'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:256:in`retrieve_new_catalog'/usr/lib/ruby/site_ruby/1.8/puppet/util.rb:327:in`thinmark'/usr/lib/ruby/1.8/benchmark.rb:308:in`realtime'/usr/lib/ruby/site_ruby/1.8/puppet/util.rb:326:in`thinmark'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:255:in`retrieve_new_catalog'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:60:in`retrieve_catalog'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:103:in`prepare_and_retrieve_catalog'/usr/lib/ruby/site_ruby/1.8/puppet/configurer.rb:170:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:47:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/agent/locker.rb:20:in`lock'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:47:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:117:in`with_client'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:44:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:82:in`run_in_fork'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:43:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:179:in`call'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:179:in`controlled_run'/usr/lib/ruby/site_ruby/1.8/puppet/agent.rb:41:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/application/agent.rb:355:in`onetime'/usr/lib/ruby/site_ruby/1.8/puppet/application/agent.rb:321:in`run_command'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:371:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:477:in`plugin_hook'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:371:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/util.rb:479:in`exit_on_fail'/usr/lib/ruby/site_ruby/1.8/puppet/application.rb:371:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/util/command_line.rb:137:in`run'/usr/lib/ruby/site_ruby/1.8/puppet/util/command_line.rb:91:in`execute'/usr/bin/puppet:8 {noformat} ThanksforyourhelpPhilipp
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Jira (PUP-3404) helper functions in custom function
Title: Message Title
Charlie Sharpsteen commented on an issue
Re: helper functions in custom function
Does it work if you call the newfunction method directly instead of re-opening the module? I.E. by using:
Puppet::Parser::Functions.newfunction(:httpd_modules, :type = :rvalue) do |args|
# ...
end
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Puppet / PUP-3404
helper functions in custom function
Hi, I have a problem with helper functions in custom function My puppet-Version: v3.7.1 If you need more information, let me know. My custom function in very short from, but with the same error. {noformat} module Puppet::Parser::Functions newfunction(:httpd_modules, :type = :rvalue) do |args| def helper_function(value) value e...
Jira (PUP-3404) helper functions in custom function
Title: Message Title Charlie Sharpsteen updated an issue Puppet / PUP-3404 helper functions in custom function Change By: Charlie Sharpsteen Assignee: Philipp Add Comment This message was sent by Atlassian JIRA (v6.1.4#6159-sha1:44eaede) -- You received this message because you are subscribed to the Google Groups Puppet Bugs group. To unsubscribe from this group and stop receiving emails from it, send an email to puppet-bugs+unsubscr...@googlegroups.com. To post to this group, send email to puppet-bugs@googlegroups.com. Visit this group at http://groups.google.com/group/puppet-bugs. For more options, visit https://groups.google.com/d/optout.
Jira (PUP-3404) helper functions in custom function
Title: Message Title Henrik Lindberg updated an issue Puppet / PUP-3404 helper functions in custom function Change By: Henrik Lindberg Component/s: DOCS Add Comment This message was sent by Atlassian JIRA (v6.1.4#6159-sha1:44eaede) -- You received this message because you are subscribed to the Google Groups Puppet Bugs group. To unsubscribe from this group and stop receiving emails from it, send an email to puppet-bugs+unsubscr...@googlegroups.com. To post to this group, send email to puppet-bugs@googlegroups.com. Visit this group at http://groups.google.com/group/puppet-bugs. For more options, visit https://groups.google.com/d/optout.
Jira (PUP-3404) helper functions in custom function
Title: Message Title Henrik Lindberg updated an issue Puppet / PUP-3404 helper functions in custom function Change By: Henrik Lindberg Component/s: DOCS Add Comment This message was sent by Atlassian JIRA (v6.1.4#6159-sha1:44eaede) -- You received this message because you are subscribed to the Google Groups Puppet Bugs group. To unsubscribe from this group and stop receiving emails from it, send an email to puppet-bugs+unsubscr...@googlegroups.com. To post to this group, send email to puppet-bugs@googlegroups.com. Visit this group at http://groups.google.com/group/puppet-bugs. For more options, visit https://groups.google.com/d/optout.
Jira (PUP-3404) helper functions in custom function
Title: Message Title Henrik Lindberg commented on an issue Re: helper functions in custom function You should not define helper methods inside a Puppet 3x Function. They end up as method on the scope and they may overwrite each other. They may also end up on a different instance of scope. The correct way is to define an auxiliary class that has the helper methods and call those from within the function body. As an example, the function hiera_hash does this: module Puppet::Parser::Functions newfunction(:hiera_hash, :type = :rvalue, :arity = -2, :doc = ...) do |*args| key, default, override = HieraPuppet.parse_args(args) HieraPuppet.lookup(key, default, self, override, :hash) end end Add Comment
