ProxmoxAAS-API/main.js
Arthur Lu c92fc95e92 fix bug in create disk resource allocation
Signed-off-by: Arthur Lu <learthurgo@gmail.com>
2023-04-11 21:57:14 +00:00

409 lines
15 KiB
JavaScript

const express = require("express");
const bodyParser = require("body-parser");
const cookieParser = require("cookie-parser")
const cors = require("cors");
const helmet = require("helmet");
const morgan = require("morgan");
var api = require("./package.json");
const {pveAPIToken, listenPort, domain} = require("./vars.js");
const {checkAuth, requestPVE, handleResponse, getUnusedDiskData, getDiskConfig} = require("./pveutils.js");
const {init, requestResources, allocateResources, releaseResources, getResources} = require("./db.js");
const app = express();
app.use(helmet());
app.use(bodyParser.urlencoded({extended: true}));
app.use(cookieParser())
app.use(cors({origin: domain}));
app.use(morgan("combined"));
app.get("/api/version", (req, res) => {
res.send({version: api.version});
});
app.get("/api/echo", (req, res) => {
res.send({body: req.body, cookies: req.cookies});
});
app.get("/api/auth", async (req, res) => {
let result = await checkAuth(req.cookies);
res.send({auth: result});
});
app.get("/api/proxmox/*", async (req, res) => { // proxy endpoint for GET proxmox api with no token
path = req.url.replace("/api/proxmox", "");
let result = await requestPVE(path, "GET", req.cookies);
res.send(result.data, result.status);
});
app.post("/api/proxmox/*", async (req, res) => { // proxy endpoint for POST proxmox api with no token
path = req.url.replace("/api/proxmox", "");
let result = await requestPVE(path, "POST", req.cookies, JSON.stringify(req.body)); // need to stringify body because of other issues
res.send(result.data, result.status);
});
app.get("/api/user/resources", async(req, res) => {
let auth = await checkAuth(req.cookies);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
res.status(200).send({resources: getResources(req.cookies.username)});
return;
});
app.post("/api/disk/detach", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
// check auth
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
if (req.body.disk.includes("unused")) {
res.status(500).send({auth: auth, data:{error: `Requested disk ${req.body.disk} cannot be unused. Use /disk/delete to permanently delete unused disks.`}});
return;
}
let action = JSON.stringify({delete: req.body.disk});
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.status(result.status).send({auth: auth, data: result.data});
});
app.post("/api/disk/attach", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
// check auth
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
let action = {};
action[req.body.disk] = req.body.data;
action = JSON.stringify(action);
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.status(result.status).send({auth: auth, data: result.data});
});
app.post("/api/disk/resize", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
// check auth
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
// check resource allocation
let diskConfig = await getDiskConfig(req.body.node, req.body.type, req.body.vmid, req.body.disk); // get target disk
if (!diskConfig) { // exit if disk does not exist
res.status(500).send({auth: auth, data:{error: `requested disk ${req.body.disk} does not exist`}});
return;
}
let storage = diskConfig.split(":")[0]; // get the storage
let request = {};
request[storage] = Number(req.body.size); // setup request object
if (!requestResources(req.cookies.username, request)) { // check request approval
res.status(500).send({auth: auth, data:{request: request, error: `Storage ${storage} could not fulfill request of size ${req.body.size}G.`}});
return;
}
let action = JSON.stringify({disk: req.body.disk, size: `+${req.body.size}G`});
let result = await requestPVE(`${vmpath}/resize`, "PUT", req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
// update resources
if (result.status === 200) {
allocateResources(req.cookies.username, request);
}
res.status(result.status).send({auth: auth, data: result.data, allocated: request});
});
app.post("/api/disk/move", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
let route = req.body.type === "qemu" ? "move_disk" : "move_volume";
// check auth
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
// check resource allocation
let diskConfig = await getDiskConfig(req.body.node, req.body.type, req.body.vmid, req.body.disk); // get source disk
if (!diskConfig) { // exit if source disk does not exist
res.status(500).send({auth: auth, data:{error: `Requested disk ${req.body.disk} does not exist`}});
}
let size = parseInt(diskConfig.split("size=")[1].split("G")[0]); // get source disk size
let srcStorage = diskConfig.split(":")[0]; // get source storage
let dstStorage = req.body.storage; // get destination storage
let request = {};
let release = {};
if (req.body.delete) { // if delete is true, increase resource used by the source storage
release[srcStorage] = Number(size);
}
request[dstStorage] = Number(size); // always decrease destination storage by size
if (!requestResources(req.cookies.username, request)) { // check resource approval
res.status(500).send({auth: auth, data:{request: request, release: release, error: `Storage ${dstStorage} could not fulfill request of size ${size}G.`}});
return;
}
let action = {storage: req.body.storage, delete: req.body.delete};
if (req.body.type === "qemu") {
action.disk = req.body.disk
}
else {
action.volume = req.body.disk
}
action = JSON.stringify(action);
let result = await requestPVE(`${vmpath}/${route}`, "POST", req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
// update resources
if (result.status === 200) {
allocateResources(req.cookies.username, request);
releaseResources(req.cookies.username, release);
}
res.status(result.status).send({auth: auth, data: result.data, allocated: request, deallocated: release});
});
app.post("/api/disk/delete", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
// check auth
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
if (!req.body.disk.includes("unused") && !req.body.disk.includes("ide")) { // must be ide or unused
res.status(500).send({auth: auth, data:{error: `Requested disk ${req.body.disk} must be unused or ide. Use /disk/detach to detach disks in use.`}});
return;
}
// setup release
let release = {};
if (!req.body.disk.includes("ide")) { // if disk type is ide, then dont bother checking for resources
let diskConfig = await getUnusedDiskData(req.body.node, req.body.type, req.body.vmid, req.body.disk); // get disk config of unused disk
let storage = diskConfig.storage; // get disk storage
let size = diskConfig.size / (1024**3); // get disk size
release[storage] = Number(size);
}
let action = JSON.stringify({delete: req.body.disk});
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
// update resources
if (result.status === 200) {
releaseResources(req.cookies.username, release);
}
res.status(result.status).send({auth: auth, data: result.data, deallocated: release});
});
app.post("/api/disk/create", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
// check auth
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
// check resource allocation
let request = {};
if (!req.body.disk.includes("ide")) {
request[req.body.storage] = Number(req.body.size); // setup request object
if (!requestResources(req.cookies.username, request)) { // check request approval
res.status(500).send({auth: auth, data:{request: request, error: `Storage ${storage} could not fulfill request of size ${req.body.size}G.`}});
return;
}
}
let action = {};
if (req.body.disk.includes("ide") && req.body.iso) {
action[req.body.disk] = `${req.body.iso},media=cdrom`;
}
else if (req.body.type === "qemu") { // type is qemu, use sata
action[req.body.disk] = `${req.body.storage}:${req.body.size}`;
}
else { // type is lxc, use mp and add mp and backup values
action[req.body.disk] = `${req.body.storage}:${req.body.size},mp=/mp${req.body.device}/,backup=1`;
}
action = JSON.stringify(action);
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
// update resources
if (result.status === 200) {
allocateResources(req.cookies.username, request);
}
res.status(result.status).send({auth: auth, data: result.data, allocated: request});
});
app.post("/api/resources", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
// check auth
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
let currentConfig = await requestPVE(`${vmpath}/config`, "GET", null, null, pveAPIToken);
let request = {
cores: Number(req.body.cores) - Number(currentConfig.data.data.cores),
memory: Number(req.body.memory) - Number(currentConfig.data.data.memory)
};
if (!requestResources(req.cookies.username, request)) { // check resource approval
res.status(500).send({auth: auth, data:{request: request, error: `Not enough resources to satisfy request.`}});
return;
}
let action = JSON.stringify({cores: req.body.cores, memory: req.body.memory});
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
// update resources
if (result.status === 200) {
allocateResources(req.cookies.username, request);
}
res.status(result.status).send({auth: auth, data: result.data, allocated: request});
});
app.post("/api/instance", async (req, res) => {
// check auth
let auth = await checkAuth(req.cookies);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
// setup request
let request = {
cores: Number(req.body.cores),
memory: Number(req.body.memory)
};
// setup action
let user = await requestPVE(`/access/users/${req.cookies.username}`, "GET", null, null, pveAPIToken);
let group = user.data.data.groups[0];
if (!group) {
res.status(500).send({auth: auth, data: {error: `user ${req.cookies.username} has no group membership`}});
}
let action = {
vmid: req.body.vmid,
cores: req.body.cores,
memory: req.body.memory,
pool: group
};
if (req.body.type === "lxc") {
action.swap = req.body.swap;
action.hostname = req.body.name;
action.unprivileged = 1;
action.features = "nesting=1";
action.password = req.body.password;
action.ostemplate = req.body.ostemplate;
action.rootfs = `${req.body.rootfslocation}:${req.body.rootfssize}`;
request[req.body.rootfslocation] = req.body.rootfssize;
}
else {
action.name = req.body.name;
}
// check resource approval
if (!requestResources(req.cookies.username, request)) { // check resource approval
res.status(500).send({auth: auth, data:{request: request, error: `Not enough resources to satisfy request.`}});
return;
}
action = JSON.stringify(action);
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}`, "POST", req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
//update resources
if (result.status === 200) {
allocateResources(req.cookies.username, request);
}
res.status(result.status).send({auth: auth, data: result.data, allocated: request});
});
app.delete("/api/instance", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
//check auth
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
// setup release TODO: add disk data here
let currentConfig = await requestPVE(`${vmpath}/config`, "GET", null, null, pveAPIToken);
let release = {cores: currentConfig.data.data.cores, memory: currentConfig.data.data.memory};
let keys = Object.keys(currentConfig.data.data);
for (let i = 0; i < keys.length; i++) {
let element = keys[i];
if (element.includes("sata") || element.includes("mp") || element.includes("rootfs")) { // if the disk is mounted, get its storage and size
let diskConfig = await getDiskConfig(req.body.node, req.body.type, req.body.vmid, element);
let storage = diskConfig.split(":")[0];
let size = parseInt(diskConfig.split("size=")[1].split("G")[0]);
if (!release[storage]) { // if this is the first time storage has been seen, set storage to size
release[storage] = size;
}
else { // otherwise incrment storage by size
release[storage] += size;
}
}
else if (element.includes("unused")) {
let diskConfig = await getUnusedDiskData(req.body.node, req.body.type, req.body.vmid, element); // get disk config of unused disk
let storage = diskConfig.storage; // get disk storage
let size = diskConfig.size / (1024**3); // get disk size
if (!release[storage]) { // if this is the first time storage has been seen, set storage to size
release[storage] = size;
}
else { // otherwise incrment storage by size
release[storage] += size;
}
}
}
let result = await requestPVE(`${vmpath}`, "DELETE", req.cookies, null, pveAPIToken);
result = await handleResponse(req.body.node, result);
//update resources
if (result.status === 200) {
releaseResources(req.cookies.username, release);
}
res.status(result.status).send({auth: auth, data: result.data, deallocated: release});
});
app.listen(listenPort, () => {
init();
console.log(`proxmoxaas-api v${api.version} listening on port ${listenPort}`);
});