more renaming

src/metrics/extension.spec.ts

@@ -7,14 +7,14 @@ describe("isExtensionRunning", () => {
   afterEach(() => {
     mock.restore();
   });
-  it("returns true when agent exists and responds", async () => {
+  it("returns true when extension exists and responds", async () => {
     mock({
       "/opt/extensions/datadog-agent": Buffer.from([0]),
     });
     const ran = await isExtensionRunning();
     expect(ran).toBeTruthy();
   });
-  it("returns false when agent doesn't exist", async () => {
+  it("returns false when extension doesn't exist", async () => {
     mock({});
     const scope = nock(EXTENSION_URL).get("/lambda/hello").replyWithError("Unreachable");
     const ran = await isExtensionRunning();
@@ -23,7 +23,7 @@ describe("isExtensionRunning", () => {
   });
 });
 describe("flushExtension", () => {
-  it("calls flush on the agent", async () => {
+  it("calls flush on the extension", async () => {
     const scope = nock(EXTENSION_URL).post("/lambda/flush", JSON.stringify({})).reply(200);
     await flushExtension();
     expect(scope.isDone()).toBeTruthy();

src/metrics/extension.ts

@@ -10,7 +10,7 @@ const LOCAL_FLUSH_TIMEOUT_MS = 100;
 export async function isExtensionRunning() {
   const extensionExists = await fileExists(EXTENSION_PATH);
   if (!extensionExists) {
-    logDebug(`Agent isn't present in sandbox`);
+    logDebug(`Extension Layer is not present`);
     return false;
   }
   return true;