Re: classfiltercsv: filtering only works on bundle level

Hi,

Hopefully this attaches itself to the correct thread, no email in my
inbox to respond to for this one. `¯\_(ツ)_/¯'

Can you provide a completely stand-alone policy so that we can easily
run and re-produce the problem you have?

Proceeding only with my internal parser :)....

Regarding `"only works if the data and filter classes are in the same
bundle"', I suspect that you are just seeing class scope at work. In the
documentation, [Classes and Decisions in Language Concepts of the
Reference manual] has a section on [Class scope] which talks about this
a bit. It looks like you are using classes that are defined with a
/bundle/ scope (only visible within that bundle) and when you call your
child_bundle you did not have it inherit the classes, so inside of
child_bundle, any /bundle/ scoped classes that were defined in
parent_bundle won't be visible.

,----
| bundle agent __main__
| {
|   methods:
|       "parent";
| 
| }
| bundle agent parent
| {
|   classes:
|       "my_bundle_scoped_class_defined_in_parent";
| 
|   methods:
|       "Write our child into our will"
|         usebundle => child,
|         inherit => "true";
| 
|       "Step children get the shaft by default"
|         usebundle => step_child;
| 
| }
| bundle agent child
| {
|   reports:
|       "$(this.bundle): I can see my_bundle_scoped_class_defined_in_parent since my parent wrote me into the will."
|         if => "my_bundle_scoped_class_defined_in_parent";
|       "$(this.bundle): I wasn't written into the will, at least I am not red-headed."
|         unless => "my_bundle_scoped_class_defined_in_parent";
| }
| bundle agent step_child
| {
|   reports:
|       "$(this.bundle): I can see my_bundle_scoped_class_defined_in_parent since my parent wrote me into the will."
|         if => "my_bundle_scoped_class_defined_in_parent";
|       "$(this.bundle): I wasn't written into the will, at least I am not red-headed."
|         unless => "my_bundle_scoped_class_defined_in_parent";
| }
`----

,----
| R: child: I can see my_bundle_scoped_class_defined_in_parent since my parent wrote me into the will.
| R: step_child: I wasn't written into the will, at least I am not red-headed.
`----


Regarding `"i want to use the data container as a somewhat "global"
variable without repeating it"' , I don't think that you have to repeat
the data container, you can pass it whole like you do, or pass it's
name. Either way, you don't get a variable registered in the state (see
`--show-evaluated-vars').

,----
| bundle agent __main__
| {
|    vars:
|       "my_data" data => '{ "data": "here" }';
| 
|   methods:
|       "Pass data container"
|         usebundle => example_1( @(my_data) );
| 
|       "Pass NAME of data container"
|         usebundle => example_2( "$(this.namespace):$(this.bundle).my_data" );
| }
| 
| bundle agent example_1(my_data)
| {
|       vars: "my_data_$(this.bundle)" data => '{ "bundle": "$(this.bundle)" }';
|       reports: "$(this.bundle):$(with)" with => storejson( @(my_data) );
| }
| bundle agent example_2(my_data)
| {
|       vars: "my_data_$(this.bundle)" data => '{ "bundle": "$(this.bundle)" }';
|       reports: "$(this.bundle):$(with)" with => storejson( $(my_data) );
| }
`----
Listing 1: Example Policy

,----
| # cf-agent --no-lock --log-level info --show-evaluated-vars=my_data --file /tmp/example.cf
| R: example_1:{
|   "data": "here"
| }
| R: example_2:{
|   "data": "here"
| }
| Variable name                            Variable value                                               Meta tags                                Comment                                 
| default:example_1.my_data_example_1      {"bundle":"example_1"}                                       source=promise                                                                   
| default:example_2.my_data_example_2      {"bundle":"example_2"}                                       source=promise                                                                   
| default:main.my_data                     {"data":"here"}                                              source=promise                                                                   
`----

Hope this helps ...


[Classes and Decisions in Language Concepts of the Reference manual]
<https://docs.cfengine.com/docs/3.18/reference-language-concepts-classes.html>

[Class scope]
<https://docs.cfengine.com/docs/3.18/reference-language-concepts-classes.html#class-scope>

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--
Nick Anderson | Doer of Things | (+1) 785-550-1767 | https://northern.tech

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