Plugins refactoring - new instrumentation package for plugins (open-t…

…elemetry#1540)

* feat: add a new plugin base decoupled from the sdk

* chore: web and node version that supports patching more files

* chore: updating readme

* chore: lint

* chore: missing noop logger

* chore: linting

* chore: updating readme with info about many modules

* chore: supporting calling enable and disable multiple times for node plugins

* chore: simplifying readme example

* chore: reviews

* chore: moving interface Instrumentation to package instrumentation

* chore: adding function for safe executing in plugins

* chore: fixing typo

Co-authored-by: Daniel Dyla <[email protected]>

api/src/index.ts

@@ -37,6 +37,7 @@ export * from './trace/Event';
 export * from './trace/instrumentation/Plugin';
 export * from './trace/link_context';
 export * from './trace/link';
+export * from './trace/NoopLogger';
 export * from './trace/NoopSpan';
 export * from './trace/NoopTracer';
 export * from './trace/NoopTracerProvider';

api/src/trace/NoopLogger.ts

@@ -0,0 +1,32 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Logger } from '../common/Logger';
+
+/** No-op implementation of Logger */
+export class NoopLogger implements Logger {
+  // By default does nothing
+  debug(message: string, ...args: unknown[]) {}
+
+  // By default does nothing
+  error(message: string, ...args: unknown[]) {}
+
+  // By default does nothing
+  warn(message: string, ...args: unknown[]) {}
+
+  // By default does nothing
+  info(message: string, ...args: unknown[]) {}
+}