capacity limiter and general cleanup

capsulflask/console.py

@@ -75,7 +75,7 @@ def detail(id):
 
   vm["ipv4"] = double_check_capsul_address(vm["id"], vm["ipv4"])
   vm["created"] = vm['created'].strftime("%b %d %Y %H:%M")
-  vm["ssh_public_keys"] = ", ".join(vm["ssh_public_keys"]) if len(vm["ssh_public_keys"]) > 0 else "<deleted>"
+  vm["ssh_public_keys"] = ", ".join(vm["ssh_public_keys"]) if len(vm["ssh_public_keys"]) > 0 else "<missing>"
 
   return render_template(
     "capsul-detail.html", 
@@ -92,6 +92,7 @@ def create():
   operating_systems = get_model().operating_systems_dict()
   ssh_public_keys = get_model().list_ssh_public_keys_for_account(session["account"])
   account_balance = get_account_balance()
+  capacity_avaliable = current_app.config["VIRTUALIZATION_MODEL"].capacity_avaliable(512*1024*1024)
   errors = list()
   created_os = None
 
@@ -130,6 +131,13 @@ def create():
     if len(posted_keys) == 0:
       errors.append("At least one SSH Public Key is required")
 
+    capacity_avaliable = current_app.config["VIRTUALIZATION_MODEL"].capacity_avaliable(vm_sizes[size]['memory_mb']*1024*1024)
+
+    if not capacity_avaliable:
+      errors.append("""
+        host(s) at capacity. no capsuls can be created at this time. sorry. 
+      """)
+
     if len(errors) == 0:
       id = makeCapsulId()
       get_model().create_vm(
@@ -157,9 +165,13 @@ def create():
   for error in errors:
     flash(error)
 
+  if not capacity_avaliable:
+    print(f"when capsul capacity is restored, send an email to {session['account']}")
+
   return render_template(
     "create-capsul.html",
     created_os=created_os,
+    capacity_avaliable=capacity_avaliable,
     account_balance=format(account_balance, '.2f'),
     ssh_public_keys=ssh_public_keys,
     ssh_public_key_count=len(ssh_public_keys),