uncloud/matrixhosting/models.py

77 lines
3.0 KiB
Python

import logging
import uuid
import os
import sys
import gitlab
from jinja2 import Environment, FileSystemLoader
from django.db import models
from django.conf import settings
from django.contrib.auth import get_user_model
from django.template.loader import render_to_string
from uncloud_pay.models import Order
# Initialize logger.
logger = logging.getLogger(__name__)
class VMInstance(models.Model):
owner = models.ForeignKey(get_user_model(),
on_delete=models.CASCADE,
editable=True)
vm_id = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
config = models.JSONField(null=False, blank=False)
order = models.OneToOneField(Order, on_delete=models.CASCADE, related_name='instance_id')
creation_date = models.DateTimeField(auto_now_add=True)
termination_date = models.DateTimeField(blank=True, null=True)
def save(self, *args, **kwargs):
# Read the deployment yaml file and render the template
# Then save it as new yaml file and push it to github repo
if 'test' in sys.argv:
return super().save(*args, **kwargs)
template_dir = os.path.join(os.path.dirname(__file__), 'yaml')
env = Environment(loader = FileSystemLoader(template_dir),autoescape = True)
tmpl = env.get_template('deployment.yaml.tmpl')
result = tmpl.render(
name=self.vm_id
)
gl = gitlab.Gitlab(settings.GITLAB_SERVER, oauth_token=settings.GITLAB_OAUTH_TOKEN)
project = gl.projects.get(settings.GITLAB_PROJECT_ID)
project.files.create({'file_path': settings.GITLAB_YAML_DIR + f'{self.vm_id}.yaml',
'branch': 'master',
'content': result,
'author_email': settings.GITLAB_AUTHOR_EMAIL,
'author_name': settings.GITLAB_AUTHOR_NAME,
'commit_message': f'Add New Deployment for {self.vm_id}'})
super().save(*args, **kwargs)
def delete(self, *args, **kwargs):
# Delete the deployment yaml file first then
# Then delete it
if 'test' in sys.argv:
return super().delete(*args, **kwargs)
gl = gitlab.Gitlab(settings.GITLAB_SERVER, oauth_token=settings.GITLAB_OAUTH_TOKEN)
project = gl.projects.get(settings.GITLAB_PROJECT_ID)
f_path = settings.GITLAB_YAML_DIR + f'{self.vm_id}.yaml'
file = project.files.get(file_path=f_path, ref='master')
if file:
project.files.delete(file_path=f_path,
commit_message=f'Delete {self.vm_id}', branch='master',
author_email=settings.GITLAB_AUTHOR_EMAIL,
author_name=settings.GITLAB_AUTHOR_NAME)
super().delete(*args, **kwargs)
def __str__(self):
return f"{self.id}-{self.order}"
def delete_for_bill(self, bill):
#TODO delete related instances
return True