Add aws-mysql-rotator agent

apps/aws-mysql-rotator/Dockerfile

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+FROM node:16-alpine as build
+
+WORKDIR /usr/src/app
+
+# Copy package files and install all dependencies
+COPY ./package*.json ./
+COPY ./agent-core/package*.json ./agent-core/
+COPY ./rotators/mysql/package*.json ./rotators/mysql/
+COPY ./utils/aws/package*.json ./utils/aws/
+COPY ./apps/aws-mysql-rotator/package*.json ./apps/aws-mysql-rotator/
+RUN npm install --workspace apps/aws-mysql-rotator
+
+# Copy sources
+COPY ./tsconfig* ./
+COPY ./agent-core ./agent-core
+COPY ./rotators/mysql ./rotators/mysql
+COPY ./utils/aws ./utils/aws
+COPY ./apps/aws-mysql-rotator ./apps/aws-mysql-rotator
+
+# Build dependencies and app
+RUN npm --prefix ./agent-core run build
+RUN npm --prefix ./rotators/mysql run build
+RUN npm --prefix ./utils/aws run build
+RUN npm --prefix ./apps/aws-mysql-rotator run build
+
+# Remove node_modules to be reinstalled later
+RUN rm -r node_modules
+
+FROM public.ecr.aws/lambda/nodejs:16
+
+WORKDIR ${LAMBDA_TASK_ROOT}
+
+COPY --from=build /usr/src/app .
+
+# Only install production dependencies
+RUN npm clean-install --production
+
+CMD [ "apps/aws-mysql-rotator/dist/app.handler" ]  

apps/aws-mysql-rotator/app.ts

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+import { JWKSOption, processRequest } from "agent-core";
+import mysqlHandler from "mysql-rotator";
+import { fetchS3KeySet } from "aws-utils";
+
+export async function handler(event: { body: string }) {
+  let keySetOption: JWKSOption;
+  if (process.env.OVERRIDE_KEY_SET) {
+    keySetOption = { type: "local", keySet: JSON.parse(process.env.OVERRIDE_KEY_SET) };
+  } else {
+    keySetOption = { type: "local", keySet: await fetchS3KeySet(process.env.OVERRIDE_KEY_SET_S3_BUCKET) };
+  }
+  return await processRequest(event.body, mysqlHandler, { overrideKeySet: keySetOption });
+}

apps/aws-mysql-rotator/package.json

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+{
+  "name": "aws-mysql-rotator",
+  "version": "1.0.0",
+  "type": "module",
+  "description": "",
+  "main": "dist/app.js",
+  "types": "dist/app.d.ts",
+  "engines": {
+    "node": "16.x"
+  },
+  "scripts": {
+    "build": "tsc",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "typescript": "^4.6.4"
+  },
+  "dependencies": {
+    "agent-core": "*",
+    "mysql-rotator": "*",
+    "aws-utils": "*"
+  }
+}

apps/aws-mysql-rotator/tsconfig.json

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+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "dist"
+  },
+  "references": [{ "path": "../../agent-core" }, { "path": "../../rotators/mysql" }, { "path": "../../utils/aws" }]
+}