Process WIP

Sam Goto · Sam Goto · commit 31614b1b4605 · 2023-03-19T12:29:50.000-06:00
diff --git a/docker/Dockerfile b/docker/Dockerfile
@@ -1,4 +1,4 @@
 FROM python:3.8-slim-buster
 WORKDIR /src
-COPY ./test.py /src
-CMD ["python3", "test.py"]
+# COPY ./test.py /src
+# CMD ["python3", "test.py"]
diff --git a/package.json b/package.json
@@ -4,8 +4,13 @@
     "build": "rimraf ./build && tsc"
   },
   "devDependencies": {
+    "@types/watch": "^1.0.3",
     "nodemon": "^2.0.21",
     "rimraf": "^4.4.0",
     "typescript": "^5.0.2"
+  },
+  "dependencies": {
+    "child_process": "^1.0.2",
+    "crypto": "^1.0.1"
   }
 }
diff --git a/src/config.ts b/src/config.ts
diff --git a/src/index.ts b/src/index.ts
@@ -1 +1,11 @@
-console.log("fit")
+import Process from "./process";
+
+const process = new Process();
+process
+	.prepTransfer("print('Hi')", "python3")
+	.then((containerID) => console.log(containerID))
+	.catch((e) => console.log(e));
+// process
+// 	.initContainer("python3")
+// 	.then((containerID) => console.log(containerID))
+// 	.catch((e) => console.log(e));
diff --git a/src/process.ts b/src/process.ts
@@ -0,0 +1,81 @@
+import * as child from "child_process";
+import crypto from "crypto";
+import fs from "fs";
+import path from "path";
+import {
+	ContainerInitialization,
+	container,
+	fileFormat,
+} from "./types/process";
+
+class Process {
+	constructor() {}
+
+	private _fileFormats: Record<container, fileFormat> = {
+		python3: "py",
+		javascript: "js",
+	};
+	/**
+	 * Creates an appropriate docker container
+	 * to execute the target code
+	 */
+	async initContainer(container: container): Promise<ContainerInitialization> {
+		return new Promise((reject, resolve) => {
+			const initCommand = `docker create ${container}`;
+
+			child.exec(initCommand, (error, containerID, stderr) => {
+				if (error) {
+					reject(error.message);
+				} else if (stderr) {
+					reject(stderr);
+				} else {
+					resolve(containerID);
+				}
+			});
+		});
+	}
+
+	/**
+	 * writes a code into a temp file
+	 */
+	async prepTransfer(context: string, container: container): Promise<string> {
+		return new Promise((reject, resolve) => {
+			const fileName = crypto.randomBytes(32).toString("hex");
+			const filePath = path.join(
+				__dirname,
+				"..",
+				"temp",
+				`${fileName}.${this._fileFormats[container]}`
+			);
+
+			fs.writeFile(filePath, context, (error) => {
+				if (error) {
+					reject(error.message);
+				} else {
+					resolve(filePath);
+				}
+			});
+		});
+	}
+
+	/**
+	 * copies the target code into the newly created
+	 * isolated container
+	 */
+	async copyContext(containerID: string): Promise<void> {
+		return new Promise(async (reject, resolve) => {
+			// const initCommand = `docker cp ${} ${containerID}/src`;
+			// child.exec(initCommand, (error, containerID, stderr) => {
+			// 	if (error) {
+			// 		reject(error.message);
+			// 	} else if (stderr) {
+			// 		reject(stderr);
+			// 	} else {
+			// 		resolve(containerID);
+			// 	}
+			// });
+		});
+	}
+}
+
+export default Process;
diff --git a/src/types/process.ts b/src/types/process.ts
@@ -0,0 +1,3 @@
+export type container = "python3" | "javascript";
+export type fileFormat = "py" | "js";
+export type ContainerInitialization = string;
diff --git a/temp/32f541a5cdf30200086fcd6bd7d059797e18bf9b51fcbeda37db5c5d990de8a6.py b/temp/32f541a5cdf30200086fcd6bd7d059797e18bf9b51fcbeda37db5c5d990de8a6.py
@@ -0,0 +1 @@
+print('Hi')
diff --git a/yarn-error.log b/yarn-error.log
diff --git a/yarn.lock b/yarn.lock

Original file line number	Diff line number	Diff line change
`@@ -4,8 +4,13 @@`
`4`	`4`	`"build": "rimraf ./build && tsc"`
`5`	`5`	`},`
`6`	`6`	`"devDependencies": {`
	`7`	`+ "@types/watch": "^1.0.3",`
`7`	`8`	`"nodemon": "^2.0.21",`
`8`	`9`	`"rimraf": "^4.4.0",`
`9`	`10`	`"typescript": "^5.0.2"`
	`11`	`+ },`
	`12`	`+ "dependencies": {`
	`13`	`+ "child_process": "^1.0.2",`
	`14`	`+ "crypto": "^1.0.1"`
`10`	`15`	`}`
`11`	`16`	`}`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+export type container = "python3" \| "javascript";`
	`2`	`+export type fileFormat = "py" \| "js";`
	`3`	`+export type ContainerInitialization = string;`