Implement form changes for plan integration

src/servala/core/crd/forms.py

@@ -69,13 +69,17 @@ class CrdModelFormMixin(FormGeneratorMixin):
         "spec.parameters.network.serviceType",
         "spec.parameters.scheduling",
         "spec.parameters.security",
+        "spec.publishConnectionDetailsTo",
+        "spec.resourceRef",
+        "spec.writeConnectionSecretToRef",
+    ]
+
+    # Fields populated from compute plan
+    READONLY_FIELDS = [
         "spec.parameters.size.cpu",
         "spec.parameters.size.memory",
         "spec.parameters.size.requests.cpu",
         "spec.parameters.size.requests.memory",
-        "spec.publishConnectionDetailsTo",
-        "spec.resourceRef",
-        "spec.writeConnectionSecretToRef",
     ]
 
     def __init__(self, *args, **kwargs):
@@ -88,6 +92,15 @@ class CrdModelFormMixin(FormGeneratorMixin):
             ):
                 field.widget = forms.HiddenInput()
                 field.required = False
+            elif name in self.READONLY_FIELDS or any(
+                name.startswith(f) for f in self.READONLY_FIELDS
+            ):
+                field.disabled = True
+                field.required = False
+                field.widget.attrs["readonly"] = "readonly"
+                field.widget.attrs["class"] = (
+                    field.widget.attrs.get("class", "") + " form-control-plaintext"
+                )
 
     def strip_title(self, field_name, label):
         field = self.fields[field_name]

src/servala/frontend/forms/service.py

@@ -4,6 +4,7 @@ from django.utils.translation import gettext_lazy as _
 
 from servala.core.models import (
     CloudProvider,
+    ComputePlanAssignment,
     ControlPlane,
     Service,
     ServiceCategory,
@@ -56,6 +57,34 @@ class ControlPlaneSelectForm(forms.Form):
             self.fields["control_plane"].initial = planes.first()
 
 
+class ComputePlanSelectionForm(forms.Form):
+    compute_plan_assignment = forms.ModelChoiceField(
+        queryset=ComputePlanAssignment.objects.none(),
+        widget=forms.RadioSelect,
+        required=True,
+        label=_("Compute Plan"),
+        empty_label=None,
+    )
+
+    def __init__(self, *args, control_plane_crd=None, **kwargs):
+        super().__init__(*args, **kwargs)
+        if control_plane_crd:
+            self.fields["compute_plan_assignment"].queryset = (
+                ComputePlanAssignment.objects.filter(
+                    control_plane_crd=control_plane_crd, is_active=True
+                )
+                .select_related("compute_plan")
+                .order_by("sort_order", "compute_plan__name", "sla")
+            )
+            if (
+                not self.is_bound
+                and self.fields["compute_plan_assignment"].queryset.exists()
+            ):
+                self.fields["compute_plan_assignment"].initial = self.fields[
+                    "compute_plan_assignment"
+                ].queryset.first()
+
+
 class ServiceInstanceFilterForm(forms.Form):
     name = forms.CharField(required=False, label=_("Name"))
     service = forms.ModelChoiceField(