NH-110422: remove c extension and related test

Rakefile

@@ -102,95 +102,6 @@ end
 
 ################ Build Gem Task ################
 
-desc 'alias for fetch_oboe_file_from_staging'
-task :fetch do
-  Rake::Task['fetch_oboe_file'].invoke('stg')
-end
-
-desc 'fetch oboe file from different environment'
-task :fetch_oboe_file, [:env] do |_t, args|
-  abort('Missing env argument (abort)') if args['env'].nil? || args['env'].empty?
-
-  begin
-    swig_version = `swig -version`
-  rescue StandardError => e
-    swig_version = ''
-    puts "Error getting swig version: #{e.message}"
-  end
-  swig_valid_version = swig_version.scan(/swig version [34].\d*.\d*/i)
-  if swig_valid_version.empty?
-    warn '== ERROR ================================================================='
-    warn "Could not find required swig version > 3.0.8, found #{swig_version.inspect}"
-    warn 'Please install swig "> 3.0.8" and try again.'
-    warn '=========================================================================='
-    raise
-  else
-    warn "+++++++++++ Using #{swig_version.strip.split("\n")[0]}"
-  end
-
-  ext_src_dir = File.expand_path('ext/oboe_metal/src')
-  ext_lib_dir = File.expand_path('ext/oboe_metal/lib')
-  oboe_version = File.read(File.join(ext_src_dir, 'VERSION')).strip
-
-  case args['env']
-  when 'dev'
-    oboe_dir = 'https://solarwinds-apm-staging.s3.us-west-2.amazonaws.com/apm/c-lib/nightly/'
-    puts 'Fetching c-lib from DEVELOPMENT'
-    puts 'This is an unstable build and this gem should only be used for testing'
-  when 'stg'
-    oboe_dir = "https://agent-binaries.global.st-ssp.solarwinds.com/apm/c-lib/#{oboe_version}"
-    puts "Fetching c-lib from STAGING !!!!!! C-Lib VERSION: #{oboe_version} !!!!!!!"
-  when 'prod'
-    oboe_dir = "https://agent-binaries.cloud.solarwinds.com/apm/c-lib/#{oboe_version}"
-    puts "Fetching c-lib from PRODUCTION !!!!!! C-Lib VERSION: #{oboe_version} !!!!!!!"
-  end
-
-  # remove all oboe* files, they may hang around because of name changes
-  Dir.glob(File.join(ext_src_dir, 'oboe*')).each do |file|
-    puts "deleting #{file}"
-    File.delete(file)
-  end
-
-  # oboe and bson header files
-  FileUtils.mkdir_p(File.join(ext_src_dir, 'bson'))
-  files = %w[bson/bson.h bson/platform_hacks.h
-             oboe.h oboe_api.h oboe_api.cpp oboe_debug.h oboe.i]
-
-  fetch_file_from_cloud(files, oboe_dir, ext_src_dir, 'include')
-
-  sha_files = ['liboboe-1.0-lambda-x86_64.so.sha256',
-               'liboboe-1.0-lambda-aarch64.so.sha256',
-               'liboboe-1.0-x86_64.so.sha256',
-               'liboboe-1.0-aarch64.so.sha256',
-               'liboboe-1.0-alpine-x86_64.so.sha256',
-               'liboboe-1.0-alpine-aarch64.so.sha256']
-
-  fetch_file_from_cloud(sha_files, oboe_dir, ext_lib_dir)
-
-  FileUtils.cd(ext_src_dir) do
-    sh 'swig -c++ -ruby -module oboe_metal -o oboe_swig_wrap.cc oboe.i'
-    FileUtils.rm('oboe.i') if args['env'] != 'prod'
-  end
-
-  puts 'Fetching finished.'
-end
-
-def fetch_file_from_cloud(files, oboe_dir, dest_dir, folder = '')
-  files.each do |filename|
-    remote_file = File.join(oboe_dir, folder, filename)
-    local_file  = File.join(dest_dir, filename)
-
-    puts "fetching #{remote_file}"
-    puts "      to #{local_file}"
-
-    begin
-      IO.copy_stream(URI.parse(remote_file).open, local_file)
-    rescue StandardError => e
-      puts "File #{remote_file} missing. #{e.message}"
-    end
-  end
-end
-
 desc 'Build and publish to Rubygems'
 # !!! publishing requires gem >=3.0.5 !!!
 # Don't run with Ruby versions < 2.7 they have gem < 3.0.5
@@ -204,82 +115,6 @@ task :build_and_publish_gem do
   exit 1 if ENV['GEM_HOST_API_KEY'] && !system('gem', 'push', gem_file)
 end
 
-desc "Build the gem's c extension"
-task :compile do
-  puts "== Building the c extension against Ruby #{RUBY_VERSION}"
-
-  pwd      = Dir.pwd
-  ext_dir  = File.expand_path('ext/oboe_metal')
-  final_so = File.expand_path('lib/libsolarwinds_apm.so')
-  so_file  = File.expand_path('ext/oboe_metal/libsolarwinds_apm.so')
-
-  Dir.chdir ext_dir
-  sh "#{Gem.ruby} extconf.rb"
-  sh '/usr/bin/env make'
-
-  FileUtils.rm_f(final_so)
-
-  if File.exist?(so_file)
-    FileUtils.mv(so_file, final_so)
-    Dir.chdir(pwd)
-    puts "== Extension built and moved to #{final_so}"
-  else
-    Dir.chdir(pwd)
-    puts '!! Extension failed to build (see above). Have the required binary and header files been fetched?'
-    puts '!! Try the tasks in this order: clean > fetch > compile'
-  end
-end
-
-desc 'Clean up extension build files'
-task :clean do
-  pwd     = Dir.pwd
-  ext_dir = File.expand_path('ext/oboe_metal')
-  symlinks = [
-    File.expand_path('lib/libsolarwinds_apm.so'),
-    File.expand_path('ext/oboe_metal/lib/liboboe.so'),
-    File.expand_path('ext/oboe_metal/lib/liboboe-1.0.so.0')
-  ]
-
-  symlinks.each do |symlink|
-    FileUtils.rm_f symlink
-  end
-  Dir.chdir ext_dir
-  sh '/usr/bin/env make clean' if File.exist? 'Makefile'
-
-  FileUtils.rm_f 'src/oboe_swig_wrap.cc'
-  Dir.chdir pwd
-end
-
-desc 'Remove all built files and extensions'
-task :distclean do
-  pwd     = Dir.pwd
-  ext_dir = File.expand_path('ext/oboe_metal')
-  mkmf_log = File.expand_path('ext/oboe_metal/mkmf.log')
-  symlinks = [
-    File.expand_path('lib/libsolarwinds_apm.so'),
-    File.expand_path('ext/oboe_metal/lib/liboboe.so'),
-    File.expand_path('ext/oboe_metal/lib/liboboe-1.0.so.0')
-  ]
-
-  if File.exist? mkmf_log
-    symlinks.each do |symlink|
-      FileUtils.rm_f symlink
-    end
-    Dir.chdir ext_dir
-    sh '/usr/bin/env make distclean' if File.exist? 'Makefile'
-
-    Dir.chdir pwd
-  else
-    puts 'Nothing to distclean. (nothing built yet?)'
-  end
-end
-
-desc 'Rebuild the gem c extension without fetching the oboe files, without recreating the swig wrapper'
-task recompile: %i[distclean compile]
-
-desc 'Build the gem c extension ...'
-task cfc: %i[clean fetch compile]
-
 desc 'Build gem locally for testing'
 task :build_gem do
   puts "\n=== building for MRI ===\n"