feat: checks level with equal sign (#3368)

Author: amir20

internal/docker/level_guesser.go

@@ -50,6 +50,11 @@ func guessLogLevel(logEvent *LogEvent) string {
 			if strings.Contains(value, " "+strings.ToUpper(level)+" ") {
 				return level
 			}
+
+			// Look for levels with equal sign and quotes around them
+			if strings.Contains(value, level+"=") {
+				return level
+			}
 		}
 
 		return "unknown"

internal/docker/level_guesser_test.go

@@ -25,6 +25,7 @@ func TestGuessLogLevel(t *testing.T) {
 		{"[ ERROR ] Something went wrong", "error"},
 		{"[error] Something went wrong", "error"},
 		{"[test] [error] Something went wrong", "error"},
+		{"Some test with error=test", "error"},
 		{"[foo] [ ERROR] Something went wrong", "error"},
 		{"123 ERROR Something went wrong", "error"},
 		{"123 Something went wrong", "unknown"},