chore: Adding mainFn helpers

lib/health/checkFns/runHealthScript.ts

@@ -0,0 +1,35 @@
+import { Effects } from "../../types";
+import { CheckResult } from "./CheckResult";
+import { timeoutPromise } from "./index";
+
+/**
+ * Running a health script, is used when we want to have a simple
+ * script in bash or something like that. It should return something that is useful
+ * in {result: string} else it is considered an error
+ * @param param0
+ * @returns
+ */
+export const runHealthScript = async (
+  effects: Effects,
+  runCommand: Parameters<Effects["runCommand"]>[0],
+  {
+    timeout = 30000,
+    errorMessage = `Error while running command: ${runCommand}`,
+    message = (res: string) =>
+      `Have ran script ${runCommand} and the result: ${res}`,
+  }
+): Promise<CheckResult> => {
+  const res = await Promise.race([
+    effects.runCommand(runCommand),
+    timeoutPromise(timeout),
+  ]).catch((e) => {
+    effects.warn(errorMessage);
+    effects.warn(JSON.stringify(e));
+    effects.warn(e.toString());
+    throw { status: "failing", message: errorMessage } as CheckResult;
+  });
+  return {
+    status: "passing",
+    message: message(res),
+  } as CheckResult;
+};