mirror of
https://github.com/ComputerScienceHouse/proxstar.git
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216 lines
7.4 KiB
Python
216 lines
7.4 KiB
Python
import logging
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import os
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import time
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import paramiko
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import psycopg2
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import requests
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from flask import Flask
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from rq import get_current_job
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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from proxstar.db import *
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from proxstar.mail import *
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from proxstar.proxmox import connect_proxmox, get_pools
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from proxstar.starrs import *
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from proxstar.user import User, get_vms_for_rtp
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from proxstar.util import *
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from proxstar.vm import VM, clone_vm, create_vm
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from proxstar.vnc import send_stop_ssh_tunnel
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logging.basicConfig(
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format='%(asctime)s %(levelname)s %(message)s', level=logging.INFO)
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app = Flask(__name__)
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if os.path.exists(
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os.path.join(
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app.config.get('ROOT_DIR', os.getcwd()), "config.local.py")):
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config = os.path.join(
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app.config.get('ROOT_DIR', os.getcwd()), "config.local.py")
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else:
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config = os.path.join(app.config.get('ROOT_DIR', os.getcwd()), "config.py")
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app.config.from_pyfile(config)
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def connect_db():
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engine = create_engine(app.config['SQLALCHEMY_DATABASE_URI'])
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Base.metadata.bind = engine
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DBSession = sessionmaker(bind=engine)
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db = DBSession()
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return db
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def connect_starrs():
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starrs = psycopg2.connect(
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"dbname='{}' user='{}' host='{}' password='{}'".format(
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app.config['STARRS_DB_NAME'], app.config['STARRS_DB_USER'],
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app.config['STARRS_DB_HOST'], app.config['STARRS_DB_PASS']))
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return starrs
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def set_job_status(job, status):
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job.meta['status'] = status
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job.save_meta()
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def create_vm_task(user, name, cores, memory, disk, iso):
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with app.app_context():
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job = get_current_job()
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proxmox = connect_proxmox()
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db = connect_db()
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starrs = connect_starrs()
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logging.info("[{}] Creating VM.".format(name))
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set_job_status(job, 'creating VM')
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vmid = create_vm(proxmox, user, name, cores, memory, disk, iso)
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logging.info(
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"[{}] Waiting until Proxmox is done provisioning.".format(name))
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set_job_status(job, 'waiting for Proxmox')
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timeout = 20
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retry = 0
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while retry < timeout:
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if not VM(vmid).is_provisioned():
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retry += 1
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time.sleep(3)
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continue
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break
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if retry == timeout:
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logging.info("[{}] Failed to provision, deleting.".format(name))
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set_job_status(job, 'failed to provision')
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delete_vm_task(vmid)
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return
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logging.info("[{}] Registering in STARRS.".format(name))
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set_job_status(job, 'registering in STARRS')
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vm = VM(vmid)
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ip = get_next_ip(starrs, app.config['STARRS_IP_RANGE'])
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register_starrs(starrs, name, app.config['STARRS_USER'], vm.get_mac(),
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ip)
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set_job_status(job, 'setting VM expiration')
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get_vm_expire(db, vmid, app.config['VM_EXPIRE_MONTHS'])
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logging.info("[{}] VM successfully provisioned.".format(name))
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set_job_status(job, 'complete')
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def delete_vm_task(vmid):
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with app.app_context():
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db = connect_db()
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starrs = connect_starrs()
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vm = VM(vmid)
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# do this before deleting the VM since it is hard to reconcile later
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delete_starrs(starrs, vm.name)
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if vm.status != 'stopped':
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vm.stop()
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retry = 0
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while retry < 10:
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time.sleep(3)
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if vm.status == 'stopped':
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break
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retry += 1
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vm.delete()
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delete_vm_expire(db, vmid)
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def process_expiring_vms_task():
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with app.app_context():
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proxmox = connect_proxmox()
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db = connect_db()
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starrs = connect_starrs()
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pools = get_pools(proxmox, db)
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expired_vms = []
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for pool in pools:
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user = User(pool)
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expiring_vms = []
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vms = user.vms
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for vm in vms:
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vm = VM(vm['vmid'])
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days = (vm.expire - datetime.date.today()).days
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if days in [10, 7, 3, 1, 0, -1, -2, -3, -4, -5, -6]:
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name = vm.name
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expiring_vms.append([vm.id, vm.name, days])
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if days <= 0:
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expired_vms.append([vm.id, vm.name, days])
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vm.stop()
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elif days <= -7:
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logging.info(
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"Deleting {} ({}) as it has been at least a week since expiration."
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.format(vm.name, vm.id))
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send_stop_ssh_tunnel(vm.id)
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delete_vm_task(vm.id)
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if expiring_vms:
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send_vm_expire_email(pool, expiring_vms)
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if expired_vms:
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send_rtp_vm_delete_email(expired_vms)
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def generate_pool_cache_task():
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with app.app_context():
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proxmox = connect_proxmox()
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db = connect_db()
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pools = get_vms_for_rtp(proxmox, db)
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store_pool_cache(db, pools)
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def setup_template_task(template_id, name, user, ssh_key, cores, memory):
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with app.app_context():
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job = get_current_job()
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proxmox = connect_proxmox()
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starrs = connect_starrs()
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db = connect_db()
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logging.info("[{}] Retrieving template info for template {}.".format(
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name, template_id))
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template = get_template(db, template_id)
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logging.info("[{}] Cloning template {}.".format(name, template_id))
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set_job_status(job, 'cloning template')
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vmid = clone_vm(proxmox, template_id, name, user)
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logging.info(
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"[{}] Waiting until Proxmox is done provisioning.".format(name))
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set_job_status(job, 'waiting for Proxmox')
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timeout = 20
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retry = 0
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while retry < timeout:
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if not VM(vmid).is_provisioned():
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retry += 1
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time.sleep(3)
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continue
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break
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if retry == timeout:
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logging.info("[{}] Failed to provision, deleting.".format(name))
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set_job_status(job, 'failed to provision')
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delete_vm_task(vmid)
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return
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logging.info("[{}] Registering in STARRS.".format(name))
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set_job_status(job, 'registering in STARRS')
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vm = VM(vmid)
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ip = get_next_ip(starrs, app.config['STARRS_IP_RANGE'])
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register_starrs(starrs, name, app.config['STARRS_USER'], vm.get_mac(),
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ip)
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get_vm_expire(db, vmid, app.config['VM_EXPIRE_MONTHS'])
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logging.info("[{}] Setting CPU and memory.".format(name))
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set_job_status(job, 'setting CPU and memory')
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vm.set_cpu(cores)
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vm.set_mem(memory)
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logging.info("[{}] Applying cloud-init config.".format(name))
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set_job_status(job, 'applying cloud-init')
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vm.set_ci_user(user)
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vm.set_ci_ssh_key(ssh_key)
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vm.set_ci_network()
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logging.info(
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"[{}] Waiting for STARRS to propogate before starting VM.".format(
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name))
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set_job_status(job, 'waiting for STARRS')
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job.save_meta()
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time.sleep(90)
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logging.info("[{}] Starting VM.".format(name))
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set_job_status(job, 'starting VM')
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job.save_meta()
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vm.start()
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logging.info("[{}] Template successfully provisioned.".format(name))
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set_job_status(job, 'completed')
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job.save_meta()
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def cleanup_vnc_task():
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requests.post(
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"https://{}/console/cleanup".format(app.config['SERVER_NAME']),
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data={'token': app.config['VNC_CLEANUP_TOKEN']},
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verify=False)
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