Remove debug level

lib/datadog/core/telemetry/event.rb

@@ -338,7 +338,6 @@ def payload
         class Log < Base
           LEVELS = {
             error: 'ERROR',
-            debug: 'DEBUG',
             warn: 'WARN',
           }.freeze
 
@@ -357,6 +356,7 @@ def payload
             {
               logs: [
                 {
+                  # Required fields
                   message: @message,
                   level: @level,
                   # More optional fields to be added here...

lib/datadog/core/telemetry/logging.rb

@@ -5,10 +5,19 @@
 module Datadog
   module Core
     module Telemetry
-      # Logging interface for sending telemetry logs.
+      # === INTRENAL USAGE ONLY ===
+      #
+      # Logging interface for sending telemetry logs... so we can fix them.
+      #
+      # For developer using this module:
+      # - MUST NOT provide any sensitive information (PII)
+      # - SHOULD reduce the data cardinality for batching/aggregation
+      #
+      # Before using it, ask yourself:
+      # - Do we need to know about this (ie. internal error or client error)?
+      # - How severe/critical is this error? (ie. error, warning, fatal)
+      # - What information needed to make it actionable?
       #
-      # Reporting internal error so that we can fix them.
-      # IMPORTANT: Make sure to not log any sensitive information.
       module Logging
         extend self
 

spec/datadog/core/telemetry/event_spec.rb

@@ -227,19 +227,6 @@ def contain_configuration(*array)
       )
     end
 
-    it do
-      event = Datadog::Core::Telemetry::Event::Log.new(message: 'Hi', level: :debug)
-      expect(event.type).to eq('logs')
-      expect(event.payload).to eq(
-        {
-          logs: [{
-            message: 'Hi',
-            level: 'DEBUG'
-          }]
-        }
-      )
-    end
-
     it do
       event = Datadog::Core::Telemetry::Event::Log.new(message: 'Hi', level: :warn)
       expect(event.type).to eq('logs')