T-4821 Avoid Rails methods in pure Ruby, fix CI

.github/workflows/main.yml

@@ -15,18 +15,17 @@ jobs:
 
       matrix:
         ruby-version:
-          - 3.2
-          - 3.1
-          - 3.0
-          - 2.7
-          - 2.6
-          - 2.5
-          - 2.4
-          - 2.3
-          - jruby-9.4.3.0
-          - jruby-9.2.14.0
-          - truffleruby-23.0.0
-          - truffleruby-22.1.0
+          - "3"
+          - "3.2"
+          - "3.1"
+          - "3.0"
+          - "2.7"
+          - "2.6"
+          - "2.5"
+          - "jruby-9.4.3.0"
+          - "jruby-9.2.14.0"
+          - "truffleruby-23.0.0"
+          - "truffleruby-22.1.0"
 
     steps:
       - uses: actions/checkout@v2

Gemfile

@@ -8,3 +8,4 @@ gemspec
 gem "rake", "~> 13.0"
 
 gem "rspec", "~> 3.0"
+gem "base64" if RUBY_VERSION >= "3.4.0"

example-project/main.rb

@@ -12,7 +12,7 @@
     exit
 end
 # Create logger
-http_device = Logtail::LogDevices::HTTP.new(ARGV[0], ingesting_host: ARGV[1])
+http_device = Logtail::LogDevices::HTTP.new(ARGV[0], logtail_host: ARGV[1])
 logger = Logtail::Logger.new(http_device)
 
 # Filter logs that shouldn't be sent to Better Stack, see {Logtail::LogEntry} for available attributes

lib/logtail/log_devices/http.rb

@@ -21,7 +21,7 @@ class HTTP
       DEFAULT_INGESTING_PORT = 443
       DEFAULT_INGESTING_SCHEME = "https".freeze
       CONTENT_TYPE = "application/msgpack".freeze
-      USER_AGENT = "Better Stack Telemetry for Ruby/#{Logtail::VERSION} (HTTP)".freeze
+      USER_AGENT = "Logtail Ruby/#{Logtail::VERSION} (HTTP)".freeze
 
       # Instantiates a new HTTP log device that can be passed to {Logtail::Logger#initialize}.
       #
@@ -69,9 +69,9 @@ class HTTP
       #   Logtail::Logger.new(http_log_device)
       def initialize(source_token, options = {})
         # Handle backward-compatibility of argument names
-        options[:ingesting_host] ||= options[:ingesting_host] if options[:ingesting_host].present?
-        options[:ingesting_port] ||= options[:logtail_port] if options[:logtail_port].present?
-        options[:ingesting_scheme] ||= options[:logtail_scheme] if options[:logtail_scheme].present?
+        options[:ingesting_host] ||= options[:logtail_host]
+        options[:ingesting_port] ||= options[:logtail_port]
+        options[:ingesting_scheme] ||= options[:logtail_scheme]
 
         @source_token = source_token || raise(ArgumentError.new("The source_token parameter cannot be blank"))
         @ingesting_host = options[:ingesting_host] || ENV['INGESTING_HOST'] || ENV['LOGTAIL_HOST'] || DEFAULT_INGESTING_HOST