implement deleting capsuls

capsulflask/cli.py

@@ -161,6 +161,7 @@ def cron_task():
         index_to_send = i
     
     if index_to_send > -1:
+      print(f"cron_task: sending {warnings[index_to_send]['id']} warning email to {account['email']}.")
       current_app.config["FLASK_MAIL_INSTANCE"].send(
           Message(
             warnings[index_to_send]['subject'],
@@ -170,7 +171,10 @@ def cron_task():
       )
       get_model().set_account_balance_warning(account['email'], warnings[index_to_send]['id'])
       if index_to_send == len(warnings)-1:
-        print('TODO: delete capsuls')
+        for vm in vms:
+          print(f"cron_task: deleting {vm['id']} ( {account['email']} ) due to negative account balance.")
+          current_app.config["VIRTUALIZATION_MODEL"].destroy(email=account["email"], id=vm['id'])
+          get_model().delete_vm(email=account["email"], id=vm['id'])
 
 
 

capsulflask/console.py

@@ -27,7 +27,7 @@ def double_check_capsul_address(id, ipv4):
     result = current_app.config["VIRTUALIZATION_MODEL"].get(id)
     if result.ipv4 != ipv4:
       ipv4 = result.ipv4
-      get_model().updateVm(email=session["account"], id=id, ipv4=result.ipv4)
+      get_model().update_vm_ip(email=session["account"], id=id, ipv4=result.ipv4)
   except:
     print(f"""
       the virtualization model threw an error in double_check_capsul_address of {id}:
@@ -55,12 +55,12 @@ def index():
       os=x['os'], 
       created=x['created'].strftime("%b %d %Y")
     ),
-    vms
+    list(filter(lambda x: not x['deleted'], vms))
   ))
 
   return render_template("capsuls.html", vms=vms, has_vms=len(vms) > 0)
 
-@bp.route("/<string:id>")
+@bp.route("/<string:id>", methods=("GET", "POST"))
 @account_required
 def detail(id):
 
@@ -73,13 +73,28 @@ def detail(id):
   if vm is None:
     return abort(404, f"{id} doesn't exist.")
 
+  if vm['deleted']:
+    return render_template("capsul-detail.html", vm=vm, delete=True, are_you_sure=True)
+
+  if request.method == "POST":
+    if 'are_you_sure' not in request.form or not request.form['are_you_sure']:
+
+      return render_template("capsul-detail.html", vm=vm, delete=True, are_you_sure=False)
+    else:
+      print(f"deleting {vm['id']} per user request ({session['account']})")
+      current_app.config["VIRTUALIZATION_MODEL"].destroy(email=session['account'], id=id)
+      get_model().delete_vm(email=session['account'], id=id)
+
+      return render_template("capsul-detail.html", vm=vm, delete=True, are_you_sure=True)
+
+  else:
     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 "<missing>"
 
     return render_template(
       "capsul-detail.html", 
-    vm=vm, 
+      vm=vm, delete=False,
       durations=list(map(lambda x: x.strip("_"), metric_durations.keys())),
       duration=duration
     )

capsulflask/db_model.py

@@ -90,7 +90,7 @@ class DBModel:
       self.cursor.fetchall()
     ))
 
-  def updateVm(self, email, id, ipv4):
+  def update_vm_ip(self, email, id, ipv4):
     self.cursor.execute("UPDATE vms SET last_seen_ipv4 = %s WHERE email = %s AND id = %s", (ipv4, email, id))
     self.connection.commit()
 
@@ -111,9 +111,9 @@ class DBModel:
       )
     self.connection.commit()
 
-  # def vm_exists(self, email, id):
+  def delete_vm(self, email, id):
-  #   self.cursor.execute("SELECT id FROM vms WHERE email = %s AND id = %s ", (email, id))
+    self.cursor.execute("UPDATE vms SET deleted = now() WHERE email = %s AND id = %s", ( email, id))
-  #   return len(self.cursor.fetchall()) > 0
+    self.connection.commit()
 
   def get_vm_detail(self, email, id):
     self.cursor.execute(""" 

capsulflask/static/style.css

@@ -23,21 +23,15 @@ a {
   text-shadow: 1px 1px 0px #000c;
 }
 
+a.no-shadow {
+  text-shadow: initial;
+}
+
 a:hover, a:active, a:visited {
   color: #b5bd68;
 } 
 
-.nav-row {
+.nav-links  a {
-  display: flex;
-  justify-content: space-between;
-}
-.nav-row a {
-  white-space: nowrap;
-}
-.nav-row:last-child {
-  justify-content: center;
-}
-.nav-row:last-child a {
   margin: 0 1em;
 }
 
@@ -88,6 +82,9 @@ main {
   justify-content: space-around;
   width: 100%;
 }
+.center {
+  align-items: center;
+}
 .wrap {
   flex-wrap: wrap;
 }
@@ -104,10 +101,19 @@ main {
   justify-content: flex-end;
 }
 
+.justify-space-between {
+  justify-content: space-between;
+}
+.justify-center {
+  justify-content: center;
+}
+
+
 form {
   display: flex;
   flex-direction: column;
   align-items: flex-start;
+  margin: 0;
 }
 
 label.align {
@@ -170,6 +176,14 @@ input[type=submit], select {
   cursor: pointer;
 }
 
+input[type=submit].form-submit-link {
+  border: none;
+  background-color: initial;
+  color: #6CF;
+  padding: 0;
+  margin: 0;
+}
+
 input::-webkit-outer-spin-button,
 input::-webkit-inner-spin-button {
   -webkit-appearance: none;

capsulflask/templates/base.html

@@ -10,11 +10,12 @@
 </head>
 <body>
 <nav>
-  <div class="nav-row half-margin">
+  <div class="row justify-space-between half-margin">
     <div>
       <a href="/"><b>Capsul</b></a>💊
     </div>
     <div>
+      &nbsp;
       {% if session["account"] %} 
         { {{ session["account"] }} <a href="{{ url_for('auth.logout') }}">Log Out</a> } 
       {% else %} 
@@ -22,7 +23,7 @@
       {% endif %}
     </div>
   </div>
-  <div class="nav-row  half-margin wrap">
+  <div class="row justify-center half-margin wrap nav-links">
     <a href="/faq">FAQ</a>
     <a href="/changelog">Changelog</a>
 

capsulflask/templates/capsul-detail.html

@@ -3,56 +3,90 @@
 {% block title %}{{ vm['id'] }}{% endblock %}
 
 {% block content %}
-<div class="row third-margin">
+
+{% if delete %}
+  {% if are_you_sure %}
+    <div class="row third-margin">
+      <h1>DELETED</h1>
+    </div>
+    <div class="row third-margin">
+      <p>{{ vm['id'] }} has been deleted.</p>
+    </div>
+  {% else %}
+    <div class="row third-margin">
+      <h1>Are you sure?</h1>
+    </div>
+    <div class="row third-margin">
+      <p>Are you sure you want to delete {{ vm['id'] }}?</p>
+    </div>
+    <div class="row third-margin">
+      <a href="/console/{{ vm['id'] }}">No, Cancel!</a>
+      <form id="delete_action" method="post">
+        <input type="hidden" name="delete" value="True"/>
+        <input type="hidden" name="are_you_sure" value="True"/>
+        <input type="submit" class="form-submit-link" value="Yes, Delete">
+      </form>
+    </div>
+    
+  {% endif %}
+{% else %}
+  <div class="row third-margin">
     <h1>{{ vm['id'] }}</h1>
-</div>
+  </div>
-<div class="row wrap grid-large third-margin">
+  <div class="row wrap grid-large third-margin">
       
     <div class="row justify-start">
       <label class="align" for="created">Created</label>
-    <span id=created>{{ vm['created'] }}</span>
+      <span id="created">{{ vm['created'] }}</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="size">Capsul Size</label>
-    <span id=size>{{ vm['size'] }}</span>
+      <span id="size">{{ vm['size'] }}</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="dollars_per_month">Monthly Cost</label>
-    <span id=dollars_per_month>${{ vm['dollars_per_month'] }}</span>
+      <span id="dollars_per_month">${{ vm['dollars_per_month'] }}</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="ipv4">IPv4 Address</label>
-    <span id=ipv4>{{ vm['ipv4'] }}</span>
+      <span id="ipv4">{{ vm['ipv4'] }}</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="os_description">Operating System</label>
-    <span id=os_description>{{ vm['os_description'] }}</span>
+      <span id="os_description">{{ vm['os_description'] }}</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="vcpus">VCPUs</label>
-    <span id=vcpus>{{ vm['vcpus'] }}</span>
+      <span id="vcpus">{{ vm['vcpus'] }}</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="memory_mb">Memory</label>
-    <span id=memory_mb>{{ vm['memory_mb'] }}MB</span>
+      <span id="memory_mb">{{ vm['memory_mb'] }}MB</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="bandwidth_gb_per_month">Bandwidth</label>
-    <span id=bandwidth_gb_per_month>{{ vm['bandwidth_gb_per_month'] }}GB/month</span>
+      <span id="bandwidth_gb_per_month">{{ vm['bandwidth_gb_per_month'] }}GB/month</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="ssh_username">SSH Username</label>
-    <span id=ssh_username>cyberian</span>
+      <span id="ssh_username">cyberian</span>
     </div>
     <div class="row justify-start">
       <label class="align" for="ssh_public_keys">SSH Public Keys</label>
-    <a id=ssh_public_keys href="/console/ssh">{{ vm['ssh_public_keys'] }}</a>
+      <a id="ssh_public_keys" href="/console/ssh">{{ vm['ssh_public_keys'] }}</a>
     </div>
-</div>
+    <div class="row center justify-start">
-<div class="row ">
+      <label class="align" for="delete_action">Actions</label>
+      <form id="delete_action" method="post">
+        <input type="hidden" name="delete" value="True"/>
+        <input type="submit" class="form-submit-link" value="Delete...">
+      </form>
+    </div>
+  </div>
+  <div class="row ">
     <hr/>
-</div>
+  </div>
-<div class="row third-margin">
+  <div class="row third-margin">
     {% for d in durations %}
       <a href="/console/{{  vm['id']  }}?duration={{ d }}">
         {% if d == duration %}
@@ -63,8 +97,8 @@
 
       </a>
     {% endfor %}
-</div>
+  </div>
-<div class="row wrap grid-small  justify-end">
+  <div class="row wrap grid-small  justify-end">
     <div class="metric">
       <h1>cpu</h1>
       <a href="/metrics/html/cpu/{{ vm['id'] }}/{{ duration }}">
@@ -99,7 +133,8 @@
         <img src="/metrics/disk/{{ vm['id'] }}/{{ duration }}/m"/>
       </a>
     </div>
-</div>
+  </div>
+{% endif %}
 {% endblock %}
 
 {% block pagesource %}/templates/create-capsul.html{% endblock %}

capsulflask/templates/capsuls.html

@@ -27,7 +27,7 @@
       <tbody>
         {% for vm in vms %}
           <tr>
-            <td><a href="/console/{{ vm['id'] }}">{{ vm["id"] }}</a></td>
+            <td><a class="no-shadow" href="/console/{{ vm['id'] }}">{{ vm["id"] }}</a></td>
             <td>{{ vm["size"] }}</td>
             <td class="metrics"><img src="/metrics/cpu/{{ vm['id'] }}/5m/s"/></td>
             <td class="metrics"><img src="/metrics/memory/{{ vm['id'] }}/5m/s"/></td>
@@ -41,7 +41,9 @@
   </div>
   
   {% else %} 
-  <div class="row">You don't have any Capsuls running. <a href="/console/create">Create one</a> today!</div>
+  <div class="row">
+    <p>You don't have any Capsuls running. <a href="/console/create">Create one</a> today!</p>
+  </div>
   {% endif %}
 </div>
 {% endblock %}