[DRE-maint] Bug#996309: ruby-kubeclient: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed: /usr/lib/ruby/vendor_ruby/recursive_open_struct.rb:84:in `alias_method': undefined method `modifiable' for class `RecursiveOpenStruct' (NameError)

[Antonio Terceiro]

Source: ruby-kubeclient
Version: 4.9.2-1
Severity: serious
Justification: FTBFS
Tags: bookworm sid ftbfs
User: debian-ruby at lists.debian.org
Usertags: ruby3.0

Hi,

We are about to enable building against ruby3.0 on unstable. During a test
rebuild, ruby-kubeclient was found to fail to build in that situation.

To reproduce this locally, you need to install ruby-all-dev from experimental
on an unstable system or build chroot.

Relevant part (hopefully):
> /usr/lib/ruby/vendor_ruby/recursive_open_struct.rb:84:in `alias_method': undefined method `modifiable' for class `RecursiveOpenStruct' (NameError)
> Did you mean?  module
> 	from /usr/lib/ruby/vendor_ruby/recursive_open_struct.rb:84:in `<class:RecursiveOpenStruct>'
> 	from /usr/lib/ruby/vendor_ruby/recursive_open_struct.rb:16:in `<top (required)>'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from /<<PKGBUILDDIR>>/debian/ruby-kubeclient/usr/lib/ruby/vendor_ruby/kubeclient/resource.rb:1:in `<top (required)>'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from /<<PKGBUILDDIR>>/debian/ruby-kubeclient/usr/lib/ruby/vendor_ruby/kubeclient.rb:13:in `<top (required)>'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from /<<PKGBUILDDIR>>/test/test_helper.rb:6:in `<top (required)>'
> 	from /<<PKGBUILDDIR>>/test/test_common.rb:2:in `require_relative'
> 	from /<<PKGBUILDDIR>>/test/test_common.rb:2:in `<top (required)>'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
> 	from /usr/lib/ruby/gems/3.0.0/gems/rake-13.0.3/lib/rake/rake_test_loader.rb:17:in `block in <main>'
> 	from /usr/lib/ruby/gems/3.0.0/gems/rake-13.0.3/lib/rake/rake_test_loader.rb:5:in `select'
> 	from /usr/lib/ruby/gems/3.0.0/gems/rake-13.0.3/lib/rake/rake_test_loader.rb:5:in `<main>'
> rake aborted!
> Command failed with status (1): [ruby -w -I"test" /usr/lib/ruby/gems/3.0.0/gems/rake-13.0.3/lib/rake/rake_test_loader.rb "test/test_common.rb" "test/test_common_url_handling.rb" "test/test_component_status.rb" "test/test_config.rb" "test/test_endpoint.rb" "test/test_exec_credentials.rb" "test/test_gcp_command_credentials.rb" "test/test_google_application_default_credentials.rb" "test/test_helper.rb" "test/test_kubeclient.rb" "test/test_limit_range.rb" "test/test_missing_methods.rb" "test/test_namespace.rb" "test/test_node.rb" "test/test_oidc_auth_provider.rb" "test/test_persistent_volume.rb" "test/test_persistent_volume_claim.rb" "test/test_pod.rb" "test/test_pod_log.rb" "test/test_process_template.rb" "test/test_replication_controller.rb" "test/test_resource_list_without_kind.rb" "test/test_resource_quota.rb" "test/test_secret.rb" "test/test_security_context_constraint.rb" "test/test_service.rb" "test/test_service_account.rb" "test/test_watch.rb" -v]
> 
> Tasks: TOP => default
> (See full trace by running task with --trace)
> ERROR: Test "ruby3.0" failed: 


The full build log is available at
https://people.debian.org/~kanashiro/ruby3.0/round2/builds/3/ruby-kubeclient/ruby-kubeclient_4.9.2-1+rebuild1633384926_amd64.build.txt
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