feat: alert staff on new instance creation

closes: https://gitea.gna.org/Hostea/dashboard/issues/52

infrastructure/templates/infrastructure/emails/staff-new-instance-alert.txt

@@ -0,0 +1,10 @@
+Hello {{ username }}!,
+
+
+A customer has purchased a new instance. Please find the details below:
+
+Gitea: {{ gitea_uri }}
+Woodpecker CI: {{ woodpecker_uri }}
+
+Cheers,
+Gna! team

infrastructure/tests.py

@@ -17,6 +17,7 @@ from io import StringIO
 
 from django.test import TestCase, Client, override_settings
 from django.core.management import call_command
+from django.core import mail
 
 from dash.models import Instance, InstanceConfiguration
 from accounts.tests import register_util, login_util
@@ -37,6 +38,8 @@ class InfraUtilTest(TestCase):
     def setUp(self):
         self.username = "infrautil_user"
         register_util(t=self, username=self.username)
+        self.user.is_staff = True
+        self.user.save()
         create_configurations(t=self)
 
     #    @override_settings(HOSTEA=infra_custom_config(test_name="test_path_util"))
@@ -226,3 +229,18 @@ class InfraUtilTest(TestCase):
         print(out)
         self.assertEqual(instance_name in out, True)
         self.assertEqual(f"Payment not fulfilled for instance: {instance}" in out, True)
+
+        staff_notification = None
+        for m in mail.outbox:
+            if "New instance alert" in m.subject:
+                staff_notification = m
+                break
+        self.assertEqual(staff_notification.to[0], self.email)
+        self.assertEqual(
+            "[Gna!] New instance alert" in staff_notification.subject, True
+        )
+        self.assertEqual(
+            "A customer has purchased a new instance. Please find the details below:"
+            in staff_notification.body,
+            True,
+        )

infrastructure/utils.py

@@ -24,6 +24,7 @@ from time import sleep
 
 from django.utils.crypto import get_random_string
 from django.template.loader import render_to_string
+from django.contrib.auth import get_user_model
 from django.core.mail import send_mail
 from django.conf import settings
 from payments import get_payment_model
@@ -83,10 +84,38 @@ def create_vm_if_not_exists(instance: Instance) -> (str, str):
     """
     Create VM utility. Gitea password is returned
     """
+
+    def notify_staff(instance: Instance):
+        infra = Infra()
+        User = get_user_model()
+        gitea_uri = Infra.get_gitea_uri(instance=instance)
+        woodpecker = Infra.get_woodpecker_uri(instance=instance)
+
+        for staff in User.objects.filter(is_staff=True):
+            ctx = {
+                "gitea_uri": gitea_uri,
+                "woodpecker_uri": woodpecker,
+                "username": staff.username,
+            }
+            body = render_to_string(
+                "infrastructure/emails/staff-new-instance-alert.txt",
+                context=ctx,
+            )
+
+            sender = settings.DEFAULT_FROM_EMAIL
+
+            send_mail(
+                subject="[Gna!] New instance alert",
+                message=body,
+                from_email=f"No reply Gna!<{sender}>",  # TODO read from settings.py
+                recipient_list=[staff.email],
+            )
+
     infra = Infra()
     if not InstanceCreated.objects.filter(instance=instance).exists():
         (gitea_password, commit) = infra.add_vm(instance=instance)
         InstanceCreated.objects.create(instance=instance, created=True)
+        notify_staff(instance=instance)
         job = Job.objects.create(instance=instance, job_type=str(JobType.PING))
         Worker(job=job).start()
         return (gitea_password, commit)
@@ -95,6 +124,7 @@ def create_vm_if_not_exists(instance: Instance) -> (str, str):
             infra.translate_size(instance=instance)
         ):
             # Worker.init_global()
+            notify_staff(instance=instance)
             return infra.add_vm(instance=instance)
     return None