Fix instances of deprecated class methods (#15183)

Replace ::File.exists? for ::File.exist?

.rubocop.yml

@@ -20,6 +20,11 @@ AllCops:
   DisplayCopNames: true
   UseCache: false
 
+#################### Lint   ###########################
+##### Enabled Cops #####
+Lint/DeprecatedClassMethods:
+  Enabled: true
+
 #################### Layout ###########################
 ##### Enabled Cops #####
 Layout/TrailingWhitespace:

lib/bootstrap/bundler.rb

@@ -113,14 +113,14 @@ module LogStash
 
       require "fileutils"
       # create Gemfile from template iff it does not exist
-      unless ::File.exists?(Environment::GEMFILE_PATH)
+      unless ::File.exist?(Environment::GEMFILE_PATH)
         FileUtils.copy(
           ::File.join(Environment::LOGSTASH_HOME, "Gemfile.template"), Environment::GEMFILE_PATH
         )
       end
       # create Gemfile.jruby-1.9.lock from template iff a template exists it itself does not exist
       lock_template = ::File.join(ENV["LOGSTASH_HOME"], "Gemfile.jruby-3.1.lock.release")
-      if ::File.exists?(lock_template) && !::File.exists?(Environment::LOCKFILE)
+      if ::File.exist?(lock_template) && !::File.exist?(Environment::LOCKFILE)
         FileUtils.copy(lock_template, Environment::LOCKFILE)
       end
 

lib/bootstrap/environment.rb

@@ -54,7 +54,7 @@ module LogStash
     def oss_only?
       return true if ENV['OSS']=="true"
 
-      !File.exists?(File.join(LogStash::Environment::LOGSTASH_HOME, "x-pack"))
+      !File.exist?(File.join(LogStash::Environment::LOGSTASH_HOME, "x-pack"))
     end
 
     def win_platform?

lib/pluginmanager/generate.rb

@@ -63,7 +63,7 @@ class LogStash::PluginManager::Generate < LogStash::PluginManager::Command
       target_entry = File.join(target, entry)
 
       if File.directory?(source_entry)
-        FileUtils.mkdir(target_entry) unless File.exists?(target_entry)
+        FileUtils.mkdir(target_entry) unless File.exist?(target_entry)
         transform_r(source_entry, target_entry)
       else
         # copy the new file, in case of being an .erb file should render first

lib/pluginmanager/prepare_offline_pack.rb

@@ -45,7 +45,7 @@ class LogStash::PluginManager::PrepareOfflinePack < LogStash::PluginManager::Com
         signal_error("Package creation cancelled: You must specify the zip extension for the provided filename: #{output}.")
       end
 
-      if ::File.exists?(output)
+      if ::File.exist?(output)
         if overwrite?
           File.delete(output)
         else

logstash-core/lib/logstash/agent.rb

@@ -240,7 +240,7 @@ class LogStash::Agent
     return @id if @id
 
     uuid = nil
-    if ::File.exists?(id_path)
+    if ::File.exist?(id_path)
       begin
         uuid = ::File.open(id_path) {|f| f.each_line.first.chomp }
       rescue => e

logstash-core/lib/logstash/config/mixin.rb

@@ -566,7 +566,7 @@ module LogStash::Config::Mixin
               #return false, "Require absolute path, got relative path #{value.first}?"
             #end
 
-            if !File.exists?(value.first) # Check if the file exists
+            if !File.exist?(value.first) # Check if the file exists
               return false, "File does not exist or cannot be opened #{value.first}"
             end
 

logstash-core/lib/logstash/runner.rb

@@ -22,7 +22,7 @@ $DEBUGLIST = (ENV["DEBUG"] || "").split(",")
 require 'pathname'
 LogStash::ROOT = Pathname.new(File.join(File.expand_path(File.dirname(__FILE__)), "..", "..", "..")).cleanpath.to_s
 LogStash::XPACK_PATH = File.join(LogStash::ROOT, "x-pack")
-LogStash::OSS = ENV["OSS"] == "true" || !File.exists?(LogStash::XPACK_PATH)
+LogStash::OSS = ENV["OSS"] == "true" || !File.exist?(LogStash::XPACK_PATH)
 
 if !LogStash::OSS
   xpack_dir = File.join(LogStash::XPACK_PATH, "lib")

logstash-core/lib/logstash/settings.rb

@@ -614,7 +614,7 @@ module LogStash
     class ExistingFilePath < Setting
       def initialize(name, default=nil, strict=true)
         super(name, ::String, default, strict) do |file_path|
-          if !::File.exists?(file_path)
+          if !::File.exist?(file_path)
             raise ::ArgumentError.new("File \"#{file_path}\" must exist but was not found.")
           else
             true

logstash-core/spec/logstash/agent_spec.rb

@@ -457,7 +457,7 @@ describe LogStash::Agent do
 
           # wait for file existence otherwise it will raise exception on Windows
           wait(timeout)
-            .for { ::File.exists?(new_config_output) && !::File.read(new_config_output).chomp.empty? }
+            .for { ::File.exist?(new_config_output) && !::File.read(new_config_output).chomp.empty? }
             .to eq(true)
           # ensure the converge_state_and_update method has updated metrics by
           # invoking the mutex

qa/integration/services/service.rb

@@ -31,7 +31,7 @@ class Service
 
   def setup
     puts "Setting up #{@name} service"
-    if File.exists?(@setup_script)
+    if File.exist?(@setup_script)
       `#{Shellwords.escape(@setup_script)}`
       raise "#{@setup_script} FAILED with exit status #{$?}" unless $?.success?
     else
@@ -42,7 +42,7 @@ class Service
 
   def teardown
     puts "Tearing down #{@name} service"
-    if File.exists?(@teardown_script)
+    if File.exist?(@teardown_script)
       `#{Shellwords.escape(@teardown_script)}`
       raise "#{@teardown_script} FAILED with exit status #{$?}" unless $?.success?
     else

qa/integration/specs/deprecation_log_spec.rb

@@ -60,7 +60,7 @@ describe "Test Logstash Pipeline id" do
     wait_logstash_process_terminate
 
     deprecation_log_file = "#{temp_dir}/logstash-deprecation.log"
-    expect(File.exists?(deprecation_log_file)).to be true
+    expect(File.exist?(deprecation_log_file)).to be true
     deprecation_log_content = IO.read(deprecation_log_file)
     expect(deprecation_log_content =~ /\[deprecation.logstash.filters.ruby\].*Teleport/).to be > 0
   end

qa/integration/specs/env_variables_config_spec.rb

@@ -55,7 +55,7 @@ describe "Test Logstash configuration" do
     send_data(test_tcp_port, sample_data)
     output_file = File.join(test_path, "logstash_env_test.log")
     try(num_retries) do
-      expect(File.exists?(output_file)).to be true
+      expect(File.exist?(output_file)).to be true
     end
     # should have created the file using env variable with filters adding a tag based on env variable
     try(num_retries) do

qa/integration/specs/fatal_error_spec.rb

@@ -52,7 +52,7 @@ describe "uncaught exception" do
     expect(@logstash.exit_code).to be 120
 
     log_file = "#{logs_dir}/logstash-plain.log"
-    expect( File.exists?(log_file) ).to be true
+    expect( File.exist?(log_file) ).to be true
     expect( File.read(log_file) ).to match /\[FATAL\]\[org.logstash.Logstash.*?java.lang.AssertionError: a fatal error/m
   end
 
@@ -65,7 +65,7 @@ describe "uncaught exception" do
     expect(@logstash.exit_code).to be 0 # normal exit
 
     log_file = "#{logs_dir}/logstash-plain.log"
-    expect( File.exists?(log_file) ).to be true
+    expect( File.exist?(log_file) ).to be true
     expect( File.read(log_file) ).to match /\[ERROR\]\[org.logstash.Logstash.*?uncaught exception \(in thread .*?java.io.EOFException: unexpected/m
   end
 

qa/integration/specs/kafka_input_spec.rb

@@ -48,7 +48,7 @@ describe "Test Kafka Input" do
   end
 
   after do
-    File.delete(file_output_path) if File.exists?(file_output_path)
+    File.delete(file_output_path) if File.exist?(file_output_path)
   end
 
   it "can ingest 37 apache log lines from Kafka broker" do

qa/integration/specs/mixed_codec_spec.rb

@@ -68,7 +68,7 @@ describe "Ruby codec when used in" do
       logstash_service.teardown
 
       plainlog_file = "#{temp_dir}/logstash-plain.log"
-      expect(File.exists?(plainlog_file)).to be true
+      expect(File.exist?(plainlog_file)).to be true
       logs = IO.read(plainlog_file)
       expect(logs).to_not include("ERROR")
 
@@ -92,7 +92,7 @@ describe "Ruby codec when used in" do
       logstash_service.teardown
 
       plainlog_file = "#{temp_dir}/logstash-plain.log"
-      expect(File.exists?(plainlog_file)).to be true
+      expect(File.exist?(plainlog_file)).to be true
       logs = IO.read(plainlog_file)
       expect(logs).to_not include("ERROR")
 
@@ -112,7 +112,7 @@ describe "Ruby codec when used in" do
       logstash_service.teardown
 
       plainlog_file = "#{temp_dir}/logstash-plain.log"
-      expect(File.exists?(plainlog_file)).to be true
+      expect(File.exist?(plainlog_file)).to be true
       logs = IO.read(plainlog_file)
       expect(logs).to_not include("ERROR")
     end

qa/integration/specs/pipeline_log_spec.rb

@@ -59,7 +59,7 @@ describe "Test Logstash Pipeline id" do
     @ls.spawn_logstash("-w", "1" , "-e", config)
     wait_logstash_process_terminate(@ls)
     plainlog_file = "#{temp_dir}/logstash-plain.log"
-    expect(File.exists?(plainlog_file)).to be true
+    expect(File.exist?(plainlog_file)).to be true
     expect(IO.read(plainlog_file) =~ /\[logstash.javapipeline\s*\]\[#{pipeline_name}\]/).to be > 0
   end
 
@@ -73,7 +73,7 @@ describe "Test Logstash Pipeline id" do
     @ls.spawn_logstash("-w", "1" , "-e", config)
     wait_logstash_process_terminate(@ls)
     plainlog_file = "#{temp_dir}/logstash-plain.log"
-    expect(File.exists?(plainlog_file)).to be true
+    expect(File.exist?(plainlog_file)).to be true
     expect(IO.read(plainlog_file) =~ /Starting pipeline.*"pipeline.sources"=>\["config string"\]/).to be > 0
   end
 
@@ -87,7 +87,7 @@ describe "Test Logstash Pipeline id" do
     @ls.spawn_logstash("-w", "1", "-f", "#{initial_config_file}")
     wait_logstash_process_terminate(@ls)
     plainlog_file = "#{temp_dir}/logstash-plain.log"
-    expect(File.exists?(plainlog_file)).to be true
+    expect(File.exist?(plainlog_file)).to be true
     expect(IO.read(plainlog_file) =~ /Starting pipeline.*"pipeline.sources"=>\["#{initial_config_file}"\]/).to be > 0
   end
 
@@ -103,12 +103,12 @@ describe "Test Logstash Pipeline id" do
     wait_logstash_process_terminate(@ls)
 
     pipeline_log_file = "#{temp_dir}/pipeline_#{pipeline_name}.log"
-    expect(File.exists?(pipeline_log_file)).to be true
+    expect(File.exist?(pipeline_log_file)).to be true
     content = IO.read(pipeline_log_file)
     expect(content =~ /Pipeline started {"pipeline.id"=>"#{pipeline_name}"}/).to be > 0
 
     plainlog_file = "#{temp_dir}/logstash-plain.log"
-    expect(File.exists?(plainlog_file)).to be true
+    expect(File.exist?(plainlog_file)).to be true
     plainlog_content = IO.read(plainlog_file)
     expect(plainlog_content =~ /Pipeline started {"pipeline.id"=>"#{pipeline_name}"}/).to be_nil
   end
@@ -177,10 +177,10 @@ describe "Test Logstash Pipeline id" do
     wait_logstash_process_terminate(@ls)
 
     pipeline_log_file = "#{temp_dir}/pipeline_#{pipeline_name}.log"
-    expect(File.exists?(pipeline_log_file)).to be false
+    expect(File.exist?(pipeline_log_file)).to be false
 
     plainlog_file = "#{temp_dir}/logstash-plain.log"
-    expect(File.exists?(plainlog_file)).to be true
+    expect(File.exist?(plainlog_file)).to be true
     plaing_log_content = IO.read(plainlog_file)
     expect(plaing_log_content =~ /Pipeline started {"pipeline.id"=>"#{pipeline_name}"}/).to be > 0
   end

qa/integration/specs/plugin_name_log_spec.rb

@@ -56,7 +56,7 @@ describe "Test Logstash Pipeline id" do
     @ls.spawn_logstash("-w", "1" , "-e", config)
     wait_logstash_process_terminate()
     plainlog_file = "#{temp_dir}/logstash-plain.log"
-    expect(File.exists?(plainlog_file)).to be true
+    expect(File.exist?(plainlog_file)).to be true
     #We know taht sleep plugin log debug lines
     expect(IO.read(plainlog_file) =~ /\[sleep_filter_123\] Sleeping {:delay=>1}/).to be > 0
   end

qa/integration/specs/settings_spec.rb

@@ -34,7 +34,7 @@ describe "Test Logstash instance whose default settings are overridden" do
   }
 
   before(:each) {
-    FileUtils.rm(@logstash_default_logs) if File.exists?(@logstash_default_logs)
+    FileUtils.rm(@logstash_default_logs) if File.exist?(@logstash_default_logs)
     # backup the application settings file -- logstash.yml
     FileUtils.cp(@logstash_service.application_settings_file, "#{@logstash_service.application_settings_file}.original")
   }
@@ -78,14 +78,14 @@ describe "Test Logstash instance whose default settings are overridden" do
     try(num_retries) do
       expect(is_port_open?(test_port)).to be true
     end
-    expect(File.exists?("#{temp_dir}/logstash-plain.log")).to be true
+    expect(File.exist?("#{temp_dir}/logstash-plain.log")).to be true
   end
 
   it "should read config from the specified dir in logstash.yml" do
     change_setting("path.config", temp_dir)
     test_config_path = File.join(temp_dir, "test.config")
     IO.write(test_config_path, tcp_config)
-    expect(File.exists?(test_config_path)).to be true
+    expect(File.exist?(test_config_path)).to be true
     @logstash_service.spawn_logstash
     @logstash_service.wait_for_logstash
     # check LS is up and running with new data path
@@ -97,7 +97,7 @@ describe "Test Logstash instance whose default settings are overridden" do
   it "should exit when config test_and_exit is set" do
     test_config_path = File.join(temp_dir, "test.config")
     IO.write(test_config_path, "#{tcp_config}")
-    expect(File.exists?(test_config_path)).to be true
+    expect(File.exist?(test_config_path)).to be true
     s = {}
     s["path.config"] = test_config_path
     s["config.test_and_exit"] = true
@@ -111,7 +111,7 @@ describe "Test Logstash instance whose default settings are overridden" do
 
     # now with bad config
     IO.write(test_config_path, "#{tcp_config} filters {} ")
-    expect(File.exists?(test_config_path)).to be true
+    expect(File.exist?(test_config_path)).to be true
     @logstash_service.spawn_logstash
     try(num_retries) do
       expect(@logstash_service.exited?).to be true
@@ -151,7 +151,7 @@ describe "Test Logstash instance whose default settings are overridden" do
       expect(is_port_open?(test_port)).to be true
     end
 
-    expect(File.exists?(@logstash_default_logs)).to be true
+    expect(File.exist?(@logstash_default_logs)).to be true
 
     resp = Manticore.get("http://localhost:#{http_port}/_node").body
     node_info = JSON.parse(resp)
@@ -176,6 +176,6 @@ describe "Test Logstash instance whose default settings are overridden" do
     expect(node_info["http_address"]).to eq("127.0.0.1:#{http_port}")
 
     # make sure we log to console and not to any file
-    expect(File.exists?(@logstash_default_logs)).to be false
+    expect(File.exist?(@logstash_default_logs)).to be false
   end
 end

qa/integration/specs/slowlog_spec.rb

@@ -57,7 +57,7 @@ describe "Test Logstash Slowlog" do
     @ls.wait_for_logstash
     sleep 2 until @ls.exited?
     slowlog_file = "#{temp_dir}/logstash-slowlog-plain.log"
-    expect(File.exists?(slowlog_file)).to be true
+    expect(File.exist?(slowlog_file)).to be true
     expect(IO.read(slowlog_file).split("\n").size).to be >= 1
   end
 end

rakelib/artifacts.rake

@@ -476,7 +476,7 @@ namespace "artifact" do
       end
 
       source_license_path = "licenses/#{license}.txt"
-      fail("Missing source license: #{source_license_path}") unless File.exists?(source_license_path)
+      fail("Missing source license: #{source_license_path}") unless File.exist?(source_license_path)
       write_to_tar(tar, source_license_path, "logstash-#{LOGSTASH_VERSION}#{PACKAGE_SUFFIX}/LICENSE.txt")
 
       # add build.rb to tar
@@ -513,7 +513,7 @@ namespace "artifact" do
     ensure_logstash_version_constant_defined
     zippath = "build/logstash#{zip_suffix}-#{LOGSTASH_VERSION}#{PACKAGE_SUFFIX}#{platform}.zip"
     puts("[artifact:zip] building #{zippath}")
-    File.unlink(zippath) if File.exists?(zippath)
+    File.unlink(zippath) if File.exist?(zippath)
     Zip::File.open(zippath, Zip::File::CREATE) do |zipfile|
       files(exclude_paths).each do |path|
         path_in_zip = "logstash-#{LOGSTASH_VERSION}#{PACKAGE_SUFFIX}/#{path}"
@@ -521,7 +521,7 @@ namespace "artifact" do
       end
 
       source_license_path = "licenses/#{license}.txt"
-      fail("Missing source license: #{source_license_path}") unless File.exists?(source_license_path)
+      fail("Missing source license: #{source_license_path}") unless File.exist?(source_license_path)
       zipfile.add("logstash-#{LOGSTASH_VERSION}#{PACKAGE_SUFFIX}/LICENSE.txt", source_license_path)
 
       # add build.rb to zip
@@ -677,7 +677,7 @@ namespace "artifact" do
         script = "#{stage}-#{action}" # like, "before-install"
         script_sym = script.gsub("-", "_").to_sym
         script_path = File.join(File.dirname(__FILE__), "..", "pkg", platform, "#{script}.sh")
-        next unless File.exists?(script_path)
+        next unless File.exist?(script_path)
 
         out.scripts[script_sym] = File.read(script_path)
       end

rakelib/vendor.rake

@@ -17,7 +17,7 @@
 
 namespace "vendor" do
   task "jruby" do |task, args|
-    system('./gradlew bootstrap') unless File.exists?(File.join("vendor", "jruby"))
+    system('./gradlew bootstrap') unless File.exist?(File.join("vendor", "jruby"))
   end # jruby
 
   namespace "force" do
@@ -27,7 +27,7 @@ namespace "vendor" do
   task "gems", [:bundle] do |task, args|
     require "bootstrap/environment"
 
-    if File.exists?(LogStash::Environment::LOCKFILE) # gradlew already bootstrap-ed
+    if File.exist?(LogStash::Environment::LOCKFILE) # gradlew already bootstrap-ed
       puts("Skipping bundler install...")
     else
       puts("Invoking bundler install...")

x-pack/qa/integration/support/helpers.rb

@@ -12,7 +12,7 @@ require "time"
 
 VERSIONS_YML_PATH = File.join(File.dirname(__FILE__), "..", "..", "..", "..", "versions.yml")
 VERSION_PATH = File.join(File.dirname(__FILE__), "..", "..", "..", "VERSION")
-VERSION = File.exists?(VERSIONS_YML_PATH) ? YAML.load_file(VERSIONS_YML_PATH)['logstash'] : File.read(VERSION_PATH).strip
+VERSION = File.exist?(VERSIONS_YML_PATH) ? YAML.load_file(VERSIONS_YML_PATH)['logstash'] : File.read(VERSION_PATH).strip
 
 def get_logstash_path
   ENV["LOGSTASH_PATH"] || File.join(File.dirname(__FILE__), "../../../../")