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fully implement new db

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This commit is contained in:
Arthur Lu 2023-04-19 02:42:35 +00:00
parent 2ef4bfd3d2
commit 09ee11055f
3 changed files with 124 additions and 224 deletions
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41
db.js
View File

@ -16,25 +16,48 @@ function init () {
}
}
function getResourceMeta () {
return db.resources;
function load () {
db = JSON.parse(fs.readFileSync(filename));
}
function getUserMax (username) {
return db.users[username].maximum;
function save () {
fs.writeFileSync(filename, JSON.stringify(db));
}
function getResourceMeta () {
return db["resource-metadata"];
}
function getResourceUnits () {
return db.units;
return db["resource-units"];
}
function putUserResources (username, used) {
function getUser (username) {
return db.users[username];
}
function setUsedResources (username, used) {
let userEntry = db.users[username];
userEntry.used = used;
userEntry.avail = {};
Object.keys(max).forEach((k) => {
userEntry.avail[k] = max[k] - used[k];
Object.keys(userEntry.max).forEach((k) => {
userEntry.avail[k] = userEntry.max[k] - userEntry.used[k];
});
save();
}
module.exports = {init, getResourceMeta, getUserMax, getResourceUnits, putUserResources};
async function approveResources (username, request) {
let approved = true;
let avail = db.users[username].avail;
Object.keys(request).forEach((key) => {
if (!(key in avail)) {
approved = false;
}
else if (avail[key] - request[key] < 0) {
approved = false;
}
});
return approved;
}
module.exports = {init, getResourceMeta, getResourceUnits, getUser, setUsedResources, approveResources};

287
main.js
View File

@ -7,8 +7,8 @@ const morgan = require("morgan");
var api = require("./package.json");
const {pveAPIToken, listenPort, domain} = require("./vars.js");
const {checkAuth, requestPVE, handleResponse, getUsedResources} = require("./pveutils.js");
const {init, getResourceMeta, getUserMax, getResourceUnits} = require("./db.js");
const {checkAuth, requestPVE, handleResponse, getUsedResources, getDiskInfo} = require("./pveutils.js");
const {init, getResourceMeta, getUser, approveResources, setUsedResources} = require("./db.js");
const app = express();
app.use(helmet());
@ -44,21 +44,18 @@ app.post("/api/proxmox/*", async (req, res) => { // proxy endpoint for POST prox
});
app.get("/api/user/resources", async(req, res) => {
// check auth
await checkAuth(req.cookies, res);
let rm = getResourceMeta();
let used = await getUsedResources(req, rm);
let max = await getUserMax(req.cookies.username);
avail = {};
Object.keys(max).forEach((k) => {
avail[k] = max[k] - used[k];
});
let units = getResourceUnits();
res.status(200).send({used: used, maximum: max, available: avail, units: units});
let used = await getUsedResources(req, getResourceMeta());
setUsedResources(req.cookies.username, used);
let user = await getUser(req.cookies.username);
res.status(200).send(user);
res.end();
return;
});
app.post("/api/disk/detach", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
// check auth
await checkAuth(req.cookies, res);
if (req.body.disk.includes("unused")) {
res.status(500).send({auth: auth, data:{error: `Requested disk ${req.body.disk} cannot be unused. Use /disk/delete to permanently delete unused disks.`}});
@ -66,75 +63,61 @@ app.post("/api/disk/detach", async (req, res) => {
}
let action = JSON.stringify({delete: req.body.disk});
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}/config`, method, req.cookies, action, pveAPIToken);
await handleResponse(req.body.node, result, res);
});
app.post("/api/disk/attach", async (req, res) => {
let vmpath = `/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`;
// check auth
await checkAuth(req.cookies, res);
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(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}/config`, method, req.cookies, action, pveAPIToken);
await handleResponse(req.body.node, result, res);
});
/*
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
await checkAuth(req.cookies, res);
// update used resources
let used = await getUsedResources(req, getResourceMeta());
setUsedResources(req.cookies.username, used);
// check disk existence
let diskConfig = await getDiskInfo(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 storage = diskConfig.storage; // 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.`}});
request[storage] = Number(req.body.size * 1024 ** 3); // setup request object
// check request approval
if (!await approveResources(req.cookies.username, request)) {
res.status(500).send({request: request, error: `Storage ${storage} could not fulfill request of size ${req.body.size}G.`});
return;
}
// action approved, commit to action
let action = JSON.stringify({disk: req.body.disk, size: `+${req.body.size}G`});
let result = await requestPVE(`${vmpath}/resize`, "PUT", req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
// update resources
if (result.status === 200) {
allocateResources(req.cookies.username, request);
}
res.status(result.status).send({auth: auth, data: result.data, allocated: request});
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}/resize`, "PUT", req.cookies, action, pveAPIToken);
await handleResponse(req.body.node, result, res);
});
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});
await checkAuth(req.cookies, res);
// update used resources
let used = await getUsedResources(req, getResourceMeta());
setUsedResources(req.cookies.username, used);
// check disk existence
let diskConfig = await getDiskInfo(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;
}
// 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 size = parseInt(diskConfig.size); // get source disk size
let srcStorage = diskConfig.storage; // get source storage
let dstStorage = req.body.storage; // get destination storage
let request = {};
let release = {};
@ -142,8 +125,9 @@ app.post("/api/disk/move", async (req, res) => {
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.`}});
// check request approval
if (!await approveResources(req.cookies.username, request)) {
res.status(500).send({request: request, error: `Storage ${storage} could not fulfill request of size ${req.body.size}G.`});
return;
}
@ -155,75 +139,44 @@ app.post("/api/disk/move", async (req, res) => {
action.volume = req.body.disk
}
action = JSON.stringify(action);
let result = await requestPVE(`${vmpath}/${route}`, "POST", req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
// update resources
if (result.status === 200) {
allocateResources(req.cookies.username, request);
releaseResources(req.cookies.username, release);
}
res.status(result.status).send({auth: auth, data: result.data, allocated: request, deallocated: release});
let route = req.body.type === "qemu" ? "move_disk" : "move_volume";
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}/${route}`, "POST", req.cookies, action, pveAPIToken);
await handleResponse(req.body.node, result, res);
});
app.post("/api/disk/delete", async (req, res) => {
let vmpath = `/nodes/${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;
}
await checkAuth(req.cookies, res);
// update used resources
let used = await getUsedResources(req, getResourceMeta());
setUsedResources(req.cookies.username, used);
// only ide or unused are allowed to be deleted
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});
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}/config`, method, req.cookies, action, pveAPIToken);
await handleResponse(req.body.node, result, res);
});
app.post("/api/disk/create", async (req, res) => {
let vmpath = `/nodes/${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
await checkAuth(req.cookies, res);
// update used resources
let used = await getUsedResources(req, getResourceMeta());
setUsedResources(req.cookies.username, used);
// check resource approval
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.`}});
request[req.body.storage] = Number(req.body.size * 1024 ** 3); // setup request object
// check request approval
if (!await approveResources(req.cookies.username, request)) {
res.status(500).send({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`;
@ -236,64 +189,45 @@ app.post("/api/disk/create", async (req, res) => {
}
action = JSON.stringify(action);
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
// update resources
if (result.status === 200) {
allocateResources(req.cookies.username, request);
}
res.status(result.status).send({auth: auth, data: result.data, allocated: request});
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}/config`, method, req.cookies, action, pveAPIToken);
await handleResponse(req.body.node, result, res);
});
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);
await checkAuth(req.cookies, res);
// update used resources
let used = await getUsedResources(req, getResourceMeta());
setUsedResources(req.cookies.username, used);
// get current config
let currentConfig = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}/config`, "GET", null, null, pveAPIToken);
let request = {
cores: Number(req.body.cores) - Number(currentConfig.data.data.cores),
memory: Number(req.body.memory) - Number(currentConfig.data.data.memory)
};
if (!requestResources(req.cookies.username, request)) { // check resource approval
res.status(500).send({auth: auth, data:{request: request, error: `Not enough resources to satisfy request.`}});
// check resource approval
if (!await approveResources(req.cookies.username, request)) {
res.status(500).send({request: request, error: `Could not fulfil request`});
return;
}
// commit action
let action = JSON.stringify({cores: req.body.cores, memory: req.body.memory});
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${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});
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}/config`, method, req.cookies, action, pveAPIToken);
await handleResponse(req.body.node, result, res);
});
app.post("/api/instance", async (req, res) => {
// check auth
let auth = await checkAuth(req.cookies);
if (!auth) {
res.status(401).send({auth: auth});
return;
}
await checkAuth(req.cookies, res);
// update used resources
let used = await getUsedResources(req, getResourceMeta());
setUsedResources(req.cookies.username, used);
// setup request
let request = {
cores: Number(req.body.cores),
memory: Number(req.body.memory)
};
// setup action
let user = await requestPVE(`/access/users/${req.cookies.username}`, "GET", null, null, pveAPIToken);
let group = user.data.data.groups[0];
@ -319,75 +253,24 @@ app.post("/api/instance", async (req, res) => {
else {
action.name = req.body.name;
}
// check resource approval
if (!requestResources(req.cookies.username, request)) { // check resource approval
if (!approveResources(req.cookies.username, request)) { // check resource approval
res.status(500).send({auth: auth, data:{request: request, error: `Not enough resources to satisfy request.`}});
return;
}
// commit action
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});
await handleResponse(req.body.node, result, res);
});
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(`${vmpath}`, "DELETE", req.cookies, null, pveAPIToken);
result = await handleResponse(req.body.node, result);
//update resources
if (result.status === 200) {
releaseResources(req.cookies.username, release);
}
res.status(result.status).send({auth: auth, data: result.data, deallocated: release});
});*/
await checkAuth(req.cookies, res);
// commit action
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}/${req.body.vmid}`, "DELETE", req.cookies, null, pveAPIToken);
await handleResponse(req.body.node, result, res);
});
app.listen(listenPort, () => {
init();

16
pveutils.js
View File

@ -114,16 +114,10 @@ async function getUsedResources (req, resourceMeta) {
async function getDiskInfo (node, type, vmid, disk) {
let config = await requestPVE(`/nodes/${node}/${type}/${vmid}/config`, "GET", null, null, pveAPIToken);
let storageID = config.data.data[disk].split(":")[0];
let volIDTarget = config.data.data[disk].split(",")[0];
let storageData = await requestPVE(`/nodes/${node}/storage/${storageID}/content`, "GET", null, null, pveAPIToken);
let diskInfo = null;
storageData.data.data.forEach((element) => {
if (element.volid === volIDTarget) {
element.storage = storageID;
diskInfo = element;
}
});
return diskInfo;
let volID = config.data.data[disk].split(",")[0];
let volInfo = await requestPVE(`/nodes/${node}/storage/${storageID}/content/${volID}`, "GET", null, null, pveAPIToken);
volInfo.data.data.storage = storageID;
return volInfo.data.data;
}
module.exports = {checkAuth, requestPVE, handleResponse, getUsedResources};
module.exports = {checkAuth, requestPVE, handleResponse, getUsedResources, getDiskInfo};