Rewrote k8s handling

lib/jobs/k8s/k8s-common.js

@@ -0,0 +1,59 @@
+import fs from "node:fs";
+import path from "node:path";
+const {
+  QUALITEER_EXECUTOR_URL,
+  QUALITEER_EXECUTOR_USE_SCRIPT,
+  QUALITEER_EXECUTOR_BIN,
+  QUALITEER_EXECUTOR_BIN_URL,
+} = process.env;
+
+const executorUrl = QUALITEER_EXECUTOR_URL;
+const executorAsScript = QUALITEER_EXECUTOR_USE_SCRIPT === "true";
+const executorBin = QUALITEER_EXECUTOR_BIN ?? `qltr-executor`;
+const executorBinFetchUrl = QUALITEER_EXECUTOR_BIN_URL;
+
+const jobsDir = "jobs/";
+const jobsPath = path.resolve(jobsDir);
+const defaultsFile = path.resolve("./lib/jobs/k8s/k8s-job.json");
+const defaults = JSON.parse(fs.readFileSync(defaultsFile));
+
+function wrapCommand(jobId, command) {
+  const bin = executorAsScript
+    ? `node ${executorBin}`
+    : `chmod +x ${executorBin} && ./${executorBin}`;
+  const executorPayload = JSON.stringify({ jobId, command, url: executorUrl });
+  const payload = Buffer.from(executorPayload, "utf8").toString("base64");
+  const curlCmd = `if ! [ -f qltr-executor ]; then curl -o qltr-executor ${executorBinFetchUrl}; fi || true && ${bin} ${payload}`;
+  return curlCmd;
+}
+
+export function jobBuilder(jobRequest) {
+  const { resources, name, image, command, id: jobId } = jobRequest;
+  // Safety Checks
+  if (!jobId) throw Error("'jobId' required!");
+  if (!name) throw Error("'name' required!");
+  if (!command) throw Error("'command' required!");
+  if (!image) throw Error("'image' required!");
+  if (!Array.isArray(command)) throw Error("'command' must be an array!");
+
+  // Apply configuration
+  const job = { ...defaults };
+  job.metadata.name = `qltr-${name}-${jobId}`;
+  const container = job.spec.template.spec.containers[0];
+  container.name = job.metadata.name;
+  container.command = wrapCommand(jobId, command);
+  container.image = JSON.stringify(image);
+  // Apply resources
+  job.resources = { ...job.resources, ...resources };
+  return job;
+}
+
+export const createFile = (job) => {
+  const { name } = job.metadata;
+  if (!fs.existsSync(jobsPath)) fs.mkdirSync(jobsPath);
+  const filePath = path.resolve(jobsDir, `${name}.json`);
+  fs.writeFileSync(filePath, JSON.stringify(job));
+  return filePath;
+};
+
+export const deleteFile = (filePath) => fs.unlinkSync(filePath);