feat(itim): Ability to add and configure cluster

ref: #244 #71

app/itim/forms/clusters.py

@@ -0,0 +1,142 @@
+from django import forms
+from django.forms import ValidationError
+from django.urls import reverse
+
+from itim.models.clusters import Cluster
+
+from app import settings
+
+from core.forms.common import CommonModelForm
+
+
+
+class ClusterForm(CommonModelForm):
+
+
+    class Meta:
+
+        fields = '__all__'
+
+        model = Cluster
+
+    prefix = 'cluster'
+
+    def __init__(self, *args, **kwargs):
+
+        super().__init__(*args, **kwargs)
+
+        self.fields['parent_cluster'].queryset = self.fields['parent_cluster'].queryset.exclude(
+            id=self.instance.pk
+        )
+
+        self.fields['devices'].queryset = self.fields['devices'].queryset.exclude(
+            is_virtual=False
+        )
+
+
+    def clean(self):
+        
+        cleaned_data = super().clean()
+
+        pk = self.instance.id
+
+        parent_cluster = cleaned_data.get("parent_cluster")
+
+        if parent_cluster == pk:
+
+             raise ValidationError("Cluster can't have itself as its parent cluster")
+
+        return cleaned_data
+
+
+
+class DetailForm(ClusterForm):
+
+
+    tabs: dict = {
+        "details": {
+            "name": "Details",
+            "slug": "details",
+            "sections": [
+                {
+                    "layout": "double",
+                    "left": [
+                        'parent_cluster',
+                        'cluster_type',
+                        'name',
+                        'organization',
+                        'c_created',
+                        'c_modified'
+                    ],
+                    "right": [
+                        'model_notes',
+                        'resources',
+                    ]
+                },
+            ]
+        },
+        "rendered_config": {
+            "name": "Rendered Config",
+            "slug": "rendered_config",
+            "sections": [
+                {
+                    "layout": "single",
+                    "fields": [
+                        'config_variables',
+                    ],
+                    "json": [
+                        'config_variables'
+                    ]
+                }
+            ]
+        },
+        "notes": {
+            "name": "Notes",
+            "slug": "notes",
+            "sections": []
+        }
+    }
+
+
+    def __init__(self, *args, **kwargs):
+
+        super().__init__(*args, **kwargs)
+
+
+        # self.fields['config_variables'] = forms.fields.JSONField(
+        #     widget = forms.Textarea(
+        #         attrs = {
+        #             "cols": "80",
+        #             "rows": "100"
+        #         }
+        #     ),
+        #     label = 'Rendered Configuration',
+        #     initial = self.instance.config_variables,
+        # )
+
+        self.fields['c_created'] = forms.DateTimeField(
+            label = 'Created',
+            input_formats=settings.DATETIME_FORMAT,
+            disabled = True,
+            initial = self.instance.created,
+        )
+
+        self.fields['c_modified'] = forms.DateTimeField(
+            label = 'Modified',
+            input_formats=settings.DATETIME_FORMAT,
+            disabled = True,
+            initial = self.instance.modified,
+        )
+
+        self.fields['resources'] = forms.CharField(
+            label = 'Available Resources',
+            disabled = True,
+            initial = 'xx/yy CPU, xx/yy RAM, xx/yy Storage',
+        )
+
+        self.tabs['details'].update({
+            "edit_url": reverse('ITIM:_cluster_change', args=(self.instance.pk,))
+        })
+
+        self.url_index_view = reverse('ITIM:Clusters')
+

app/itim/models/clusters.py

@@ -75,10 +75,10 @@ class Cluster(TenancyObject):
         ClusterType,
         blank = True,
         default = None,
-        help_text = 'Parent Cluster for this cluster',
+        help_text = 'Type of Cluster',
         null = True,
         on_delete = models.CASCADE,
-        verbose_name = 'Parent Cluster',
+        verbose_name = 'Cluster Type',
     )
 
     name = models.CharField(
@@ -99,7 +99,7 @@ class Cluster(TenancyObject):
         verbose_name = 'Configuration',
     )
 
-    node = models.ManyToManyField(
+    nodes = models.ManyToManyField(
         Device,
         blank = True,
         default = None,
@@ -117,6 +117,10 @@ class Cluster(TenancyObject):
         verbose_name = 'Devices',
     )
 
+    created = AutoCreatedField()
+
+    modified = AutoLastModifiedField()
+
 
     def __str__(self):
 

app/itim/templates/itim/cluster.html.j2

@@ -0,0 +1,79 @@
+{% extends 'detail.html.j2' %}
+
+{% load json %}
+{% load markdown %}
+
+
+{% block tabs %}
+
+<div id="details" class="content-tab">
+
+    {% include 'content/section.html.j2' with tab=form.tabs.details %}
+
+    <hr />
+
+    <div style="display: block; width: 100%;">
+
+        <h3>Nodes</h3>
+
+        <table>
+            <tr>
+                <th>Name</th>
+                <th>Organization</th>
+            </tr>
+            {% if item.nodes.all %}
+            {% for node in item.nodes.all %}
+            <tr>
+                <td><a href="{% url 'ITAM:_device_view' node.pk %}">{{ node }}</a></td>
+                <td>{{ node.organization }}</td>
+            </tr>
+            {% endfor%}
+            {% else %}
+            <tr>
+            <td colspan="2"> Nothing Found</td>
+            </tr>
+            {% endif %}
+        </table>
+
+    </div>
+
+    <div style="display: block; width: 100%;">
+
+        <h3>Devices</h3>
+
+        <table>
+            <tr>
+                <th>Name</th>
+                <th>Organization</th>
+            </tr>
+            {% if item.devices.all %}
+            {% for device in item.devices.all %}
+            <tr>
+                <td><a href="{% url 'ITAM:_device_view' device.pk %}">{{ device }}</a></td>
+                <td>{{ device.organization }}</td>
+            </tr>
+            {% endfor%}
+            {% else %}
+            <tr>
+            <td colspan="2"> Nothing Found</td>
+            </tr>
+            {% endif %}
+        </table>
+
+    </div>
+
+    <div style="display: block; width: 100%;">
+        <h3>Config</h3>
+        <pre>{{ item.config | json_pretty }}</pre>
+    </div>
+
+</div>
+
+
+<div id="rendered_config" class="content-tab">
+
+    {% include 'content/section.html.j2' with tab=form.tabs.rendered_config %}
+
+</div>
+
+{% endblock %}

app/itim/templates/itim/cluster_index.html.j2

@@ -0,0 +1,53 @@
+{% extends 'base.html.j2' %}
+
+{% block content %}
+
+<input type="button" value="New Cluster" onclick="window.location='{% url 'ITIM:_cluster_add' %}';">
+<table class="data">
+    <tr>
+        <th>Title</th>
+        <th>Cluster / Device</th>
+        <th>Organization</th>
+        <th>&nbsp;</th>
+    </tr>
+    {% if items %}
+    {% for item in items %}
+    <tr>
+        <td><a href="{% url 'ITIM:_cluster_view' pk=item.id %}">{{ item.name }}</a></td>
+        <td>
+        {% if item.device %}
+          {{ item.device }}
+        {% else %}
+          {{ item.cluster }}
+        {% endif %}
+        </td>
+        <td>{{ item.organization }}</td>
+        <td>&nbsp;</td>
+    </tr>
+    {% endfor %}
+    {% else %}
+    <tr>
+        <td colspan="4">Nothing Found</td>
+    </tr>
+    {% endif %}
+</table>
+<br>
+<div class="pagination">
+    <span class="step-links">
+        {% if page_obj.has_previous %}
+        <a href="?page=1">&laquo; first</a>
+        <a href="?page={{ page_obj.previous_page_number }}">previous</a>
+        {% endif %}
+
+        <span class="current">
+            Page {{ page_obj.number }} of {{ page_obj.paginator.num_pages }}.
+        </span>
+
+        {% if page_obj.has_next %}
+        <a href="?page={{ page_obj.next_page_number }}">next</a>
+        <a href="?page={{ page_obj.paginator.num_pages }}">last &raquo;</a>
+        {% endif %}
+    </span>
+</div>
+
+{% endblock %}

app/itim/urls.py

@@ -1,7 +1,7 @@
 from django.urls import path
 
 
-from itim.views import services
+from itim.views import clusters, services
 
 app_name = "ITIM"
 urlpatterns = [
@@ -12,4 +12,10 @@ urlpatterns = [
     path("service/<int:pk>/delete", services.Delete.as_view(), name="_service_delete"),
     path("service/<int:pk>", services.View.as_view(), name="_service_view"),
 
+    path("clusters", clusters.Index.as_view(), name="Clusters"),
+    path("clusters/add", clusters.Add.as_view(), name="_cluster_add"),
+    path("clusters/<int:pk>/edit", clusters.Change.as_view(), name="_cluster_change"),
+    path("clusters/<int:pk>/delete", clusters.Delete.as_view(), name="_cluster_delete"),
+    path("clusters/<int:pk>", clusters.View.as_view(), name="_cluster_view"),
+
 ]

app/itim/views/clusters.py

@@ -0,0 +1,185 @@
+from django.contrib.auth import decorators as auth_decorator
+from django.urls import reverse
+from django.utils.decorators import method_decorator
+
+from core.forms.comment import AddNoteForm
+from core.models.notes import Notes
+from core.views.common import AddView, ChangeView, DeleteView, IndexView
+
+from itim.forms.clusters import ClusterForm, DetailForm
+from itim.models.clusters import Cluster
+
+from settings.models.user_settings import UserSettings
+
+
+
+class Add(AddView):
+
+    form_class = ClusterForm
+
+    model = Cluster
+
+    permission_required = [
+        'itim.add_cluster',
+    ]
+
+
+    def get_initial(self):
+
+        initial: dict = {
+            'organization': UserSettings.objects.get(user = self.request.user).default_organization
+        }
+
+        if 'pk' in self.kwargs:
+
+            if self.kwargs['pk']:
+
+                initial.update({'parent': self.kwargs['pk']})
+
+                self.model.parent.field.hidden = True
+
+        return initial
+
+
+    def get_success_url(self, **kwargs):
+
+        return reverse('ITIM:Clusters')
+
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+
+        context['content_title'] = 'New Cluster'
+
+        return context
+
+
+
+class Change(ChangeView):
+
+    form_class = ClusterForm
+
+    model = Cluster
+
+    permission_required = [
+        'itim.change_cluster',
+    ]
+
+
+    def get_context_data(self, **kwargs):
+
+        context = super().get_context_data(**kwargs)
+
+        context['content_title'] = str(self.object)
+
+        return context
+
+
+    def get_success_url(self, **kwargs):
+
+        return reverse('ITIM:_cluster_view', args=(self.kwargs['pk'],))
+
+
+
+class Delete(DeleteView):
+
+    model = Cluster
+
+    permission_required = [
+        'itim.delete_cluster',
+    ]
+
+
+    def get_context_data(self, **kwargs):
+
+        context = super().get_context_data(**kwargs)
+
+        context['content_title'] = 'Delete ' + str(self.object)
+
+        return context
+
+
+    def get_success_url(self, **kwargs):
+
+        return reverse('ITIM:Clusters')
+
+
+
+class Index(IndexView):
+
+    context_object_name = "items"
+
+    model = Cluster
+
+    paginate_by = 10
+
+    permission_required = [
+        'itim.view_cluster'
+    ]
+
+    template_name = 'itim/cluster_index.html.j2'
+
+
+    def get_context_data(self, **kwargs):
+
+        context = super().get_context_data(**kwargs)
+
+        context['model_docs_path'] = self.model._meta.app_label + '/' + self.model._meta.model_name
+
+        context['content_title'] = 'Clusters'
+
+        return context
+
+
+
+class View(ChangeView):
+
+    context_object_name = "item"
+
+    form_class = DetailForm
+
+    model = Cluster
+
+    permission_required = [
+        'itim.view_cluster',
+    ]
+
+    template_name = 'itim/cluster.html.j2'
+
+
+    def get_context_data(self, **kwargs):
+
+        context = super().get_context_data(**kwargs)
+
+        context['notes_form'] = AddNoteForm(prefix='note')
+        context['notes'] = Notes.objects.filter(service=self.kwargs['pk'])
+
+        context['model_pk'] = self.kwargs['pk']
+        context['model_name'] = self.model._meta.model_name
+
+        context['model_delete_url'] = reverse('ITIM:_cluster_delete', args=(self.kwargs['pk'],))
+
+
+        context['content_title'] = self.object.name
+
+        return context
+
+
+    def post(self, request, *args, **kwargs):
+
+        item = Cluster.objects.get(pk=self.kwargs['pk'])
+
+        notes = AddNoteForm(request.POST, prefix='note')
+
+        if notes.is_bound and notes.is_valid() and notes.instance.note != '':
+
+            notes.instance.service = item
+
+            notes.instance.organization = item.organization
+
+            notes.save()
+
+
+    def get_success_url(self, **kwargs):
+
+        return reverse('ITIM:_cluster_view', args=(self.kwargs['pk'],))