add django admin views

app_gateway/admin.py

@@ -1 +1,50 @@
-# Register your models here.
+from django.contrib import admin
+
+from app_gateway.models import (
+    AccessPolicy, Application, ApplicationHost,
+    ApplicationPolicy, ApplicationRoute,
+)
+
+
+class ApplicationHostInline(admin.TabularInline):
+    model = ApplicationHost
+    extra = 0
+
+
+class ApplicationAdmin(admin.ModelAdmin):
+    list_display = ('name', 'display_name', 'upstream', 'allow_invalid_cert', 'created', 'updated')
+    search_fields = ('name', 'display_name', 'upstream')
+    inlines = [ApplicationHostInline]
+
+admin.site.register(Application, ApplicationAdmin)
+
+
+class ApplicationHostAdmin(admin.ModelAdmin):
+    list_display = ('hostname', 'application', 'created', 'updated')
+    search_fields = ('hostname', 'application__name', 'application__display_name')
+
+admin.site.register(ApplicationHost, ApplicationHostAdmin)
+
+
+class AccessPolicyAdmin(admin.ModelAdmin):
+    list_display = ('name', 'display_name', 'policy_type', 'created', 'updated')
+    search_fields = ('name', 'display_name')
+    list_filter = ('policy_type',)
+    filter_horizontal = ('groups', 'methods')
+
+admin.site.register(AccessPolicy, AccessPolicyAdmin)
+
+
+class ApplicationPolicyAdmin(admin.ModelAdmin):
+    list_display = ('application', 'default_policy', 'created', 'updated')
+    search_fields = ('application__name', 'application__display_name', 'default_policy__name')
+
+admin.site.register(ApplicationPolicy, ApplicationPolicyAdmin)
+
+
+class ApplicationRouteAdmin(admin.ModelAdmin):
+    list_display = ('name', 'display_name', 'application', 'path_prefix', 'policy', 'order', 'created', 'updated')
+    search_fields = ('name', 'display_name', 'path_prefix', 'application__name', 'application__display_name')
+    list_filter = ('application',)
+
+admin.site.register(ApplicationRoute, ApplicationRouteAdmin)