feat(plugin): add http plugin

packages/opentelemetry-plugin-http/package.json

@@ -6,7 +6,7 @@
   "types": "build/src/index.d.ts",
   "repository": "open-telemetry/opentelemetry-js",
   "scripts": {
-    "test": "nyc ts-mocha -p tsconfig.json test/**/*.ts",
+    "test": "nyc ts-mocha -p tsconfig.json test/**/*/*.test.ts",
     "tdd": "yarn test -- --watch-extensions ts --watch",
     "clean": "rimraf build/*",
     "check": "gts check",
@@ -38,19 +38,38 @@
     "access": "public"
   },
   "devDependencies": {
+    "@types/got": "^9.6.6",
     "@types/mocha": "^5.2.7",
+    "@types/nock": "^10.0.3",
     "@types/node": "^12.6.9",
+    "@types/request-promise-native": "^1.0.16",
+    "@types/semver": "^6.0.1",
+    "@types/shimmer": "^1.0.1",
+    "@types/sinon": "^7.0.13",
+    "@types/superagent": "^4.1.3",
+    "@opentelemetry/scope-async-hooks": "^0.0.1",
+    "@opentelemetry/scope-base": "^0.0.1",
+    "@opentelemetry/basic-tracer": "^0.0.1",
+    "axios": "^0.19.0",
+    "got": "^9.6.0",
+    "request": "^2.88.0",
+    "request-promise-native": "^1.0.7",
+    "superagent": "5.1.0",
     "codecov": "^3.5.0",
-    "gts": "^1.1.0",
+    "gts": "^1.0.0",
     "mocha": "^6.2.0",
+    "nock": "^10.0.6",
     "nyc": "^14.1.1",
+    "sinon": "^7.3.2",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
   },
   "dependencies": {
     "@opentelemetry/core": "^0.0.1",
     "@opentelemetry/node-tracer": "^0.0.1",
-    "@opentelemetry/types": "^0.0.1"
+    "@opentelemetry/types": "^0.0.1",
+    "semver": "^6.3.0",
+    "shimmer": "^1.2.1"
   }
 }

packages/opentelemetry-plugin-http/src/enums/AttributeNames.ts

@@ -0,0 +1,34 @@
+/**
+ * Copyright 2019, 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.
+ */
+
+/**
+ * Attributes Names according to Opencensus HTTP Specs since there is no specific OpenTelemetry Attributes
+ * https://github.com/open-telemetry/opentelemetry-specification/blob/master/work_in_progress/opencensus/HTTP.md#attributes
+ */
+export enum AttributeNames {
+  HTTP_HOSTNAME = 'http.hostname',
+  COMPONENT = 'component',
+  HTTP_METHOD = 'http.method',
+  HTTP_PATH = 'http.path',
+  HTTP_ROUTE = 'http.route',
+  HTTP_URL = 'http.url',
+  HTTP_STATUS_CODE = 'http.status_code',
+  HTTP_STATUS_TEXT = 'http.status_text',
+  // NOT ON OFFICIAL SPEC
+  HTTP_ERROR_NAME = 'http.error_name',
+  HTTP_ERROR_MESSAGE = 'http.error_message',
+  HTTP_USER_AGENT = 'http.user_agent',
+}

packages/opentelemetry-plugin-http/src/enums/Format.ts

@@ -0,0 +1,19 @@
+/**
+ * Copyright 2019, 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.
+ */
+
+export enum Format {
+  HTTP = 'HttpTraceContext',
+}