[FEATURE] Basic System with file manager (#4)

Co-authored-by: dunemask <dunemask@gmail.com>
Co-authored-by: Dunemask <dunemask@gmail.com>
Reviewed-on: https://gitea.dunemask.dev/elysium/minecluster/pulls/4

lib/controllers/lifecycle-controller.js

@@ -0,0 +1,93 @@
+import createServerResources from "../k8s/server-create.js";
+import deleteServerResources from "../k8s/server-delete.js";
+import {
+  createServerEntry,
+  deleteServerEntry,
+  getServerEntry,
+} from "../database/queries/server-queries.js";
+import { sendError } from "../util/ExpressClientError.js";
+import {
+  startServerContainer,
+  stopServerContainer,
+} from "../k8s/server-control.js";
+import { toggleServer } from "../k8s/k8s-server-control.js";
+
+function payloadFilter(req, res) {
+  const serverSpec = req.body;
+  if (!serverSpec) return res.sendStatus(400);
+  const { name, host, version, serverType, difficulty, gamemode, memory } =
+    serverSpec;
+  if (!name) return res.status(400).send("Server name is required!");
+  if (!host) return res.status(400).send("Server host is required!");
+  if (!version) return res.status(400).send("Server version is required!");
+  if (!difficulty)
+    return res.status(400).send("Server difficulty is required!");
+  if (!serverType) return res.status(400).send("Server type is required!");
+  if (!gamemode) return res.status(400).send("Server Gamemode is required!");
+  if (!memory) return res.status(400).send("Memory is required!");
+  req.body.name = req.body.name.toLowerCase();
+  return "filtered";
+}
+
+function checkServerName(serverSpec) {
+  if (!serverSpec) throw new ExpressClientError({ c: 400 });
+  if (!serverSpec.name)
+    throw new ExpressClientError({ c: 400, m: "Server name required!" });
+}
+
+export async function createServer(req, res) {
+  if (payloadFilter(req, res) !== "filtered") return;
+  const serverSpec = req.body;
+  try {
+    const serverSpecs = await getServerEntry(serverSpec.name);
+    if (serverSpecs.length !== 0) throw Error("Server already exists in DB!");
+    await createServerResources(serverSpec);
+    await createServerEntry(serverSpec);
+    res.sendStatus(200);
+  } catch (e) {
+    sendError(res)(e);
+  }
+}
+
+export async function deleteServer(req, res) {
+  // Ensure spec is safe
+  const serverSpec = req.body;
+  try {
+    checkServerName(serverSpec);
+  } catch (e) {
+    return sendError(res)(e);
+  }
+  const deleteEntry = deleteServerEntry(serverSpec.name);
+  const deleteResources = deleteServerResources(serverSpec);
+  Promise.all([deleteEntry, deleteResources])
+    .then(() => res.sendStatus(200))
+    .catch(sendError(res));
+}
+
+export async function startServer(req, res) {
+  // Ensure spec is safe
+  const serverSpec = req.body;
+  try {
+    checkServerName(serverSpec);
+  } catch (e) {
+    return sendError(res)(e);
+  }
+  const { name } = serverSpec;
+  toggleServer(name, true)
+    .then(() => res.sendStatus(200))
+    .catch(sendError(res));
+}
+
+export async function stopServer(req, res) {
+  // Ensure spec is safe
+  const serverSpec = req.body;
+  try {
+    checkServerName(serverSpec);
+  } catch (e) {
+    return sendError(res)(e);
+  }
+  const { name } = serverSpec;
+  toggleServer(name, false)
+    .then(() => res.sendStatus(200))
+    .catch(sendError(res));
+}