capsul-flask/capsulflask/console.py

from flask import Blueprint
from flask import flash
from flask import current_app
from flask import g
from flask import redirect
from flask import url_for
from flask import request
from flask import session
from flask import render_template
from flask_mail import Message
from werkzeug.exceptions import abort
from nanoid import generate

from capsulflask.auth import account_required

from capsulflask.db import get_model

bp = Blueprint("console", __name__, url_prefix="/console")

def makeCapsulId():
  lettersAndNumbers = generate(alphabet="1234567890qwertyuiopasdfghjklzxcvbnm", size=10)
  return f"capsul-{lettersAndNumbers}"

@bp.route("/")
@account_required
def index():
  return render_template("console.html", vms=get_model().list_vms_for_account(session["account"]))

@bp.route("/create", methods=("GET", "POST"))
@account_required
def create():
  db_model = get_model()
  vm_sizes = db_model.vm_sizes_dict()
  operating_systems = db_model.operating_systems_dict()
  ssh_public_keys = db_model.list_ssh_public_keys_for_account(session["account"])
  error = None

  if request.method == "POST":
    size = request.form["size"]
    os = request.form["os"]
    if not size:
      error = "Size is required"
    elif size not in vm_sizes:
      error = f"Invalid size {size}"

    if not os:
      error = "OS is required"
    elif os not in operating_systems:
      error = f"Invalid os {os}"

    if error is None:
      id = makeCapsulId()
      db_model.create_vm(
        email=session["account"], 
        id=id, 
        size=size, 
        os=os
      )
      current_app.config["VIRTUALIZATION_MODEL"].create(
        email = session["account"],
        id=id,
        template_image_file_name=operating_systems[os].template_image_file_name,
        vcpus=vm_sizes[size].vcpus,
        memory=vm_sizes[size].memory
      )

  return render_template(
    "create.html",
    ssh_public_keys=ssh_public_keys,
    operating_systems=operating_systems,
    vm_sizes=vm_sizes
  )

@bp.route("/billing")
@account_required
def faq():
  return render_template("billing.html")