admin UI for managing ip pools & ip addresses

app/controllers/ip_pools_controller.rb

@@ -0,0 +1,44 @@
+class IPPoolsController < ApplicationController
+
+  before_action :admin_required
+  before_action { params[:id] && @ip_pool = IPPool.find_by_uuid!(params[:id]) }
+
+  def index
+    @ip_pools = IPPool.order(:name).to_a
+  end
+
+  def new
+    @ip_pool = IPPool.new
+  end
+
+  def create
+    @ip_pool = IPPool.new(safe_params)
+    if @ip_pool.save
+      redirect_to_with_json [:edit, @ip_pool], :notice => "IP Pool has been added successfully. You can now add IP addresses to it."
+    else
+      render_form_errors 'new', @ip_pool
+    end
+  end
+
+  def update
+    if @ip_pool.update(safe_params)
+      redirect_to_with_json [:edit, @ip_pool], :notice => "IP Pool has been updated."
+    else
+      render_form_errors 'edit', @ip_pool
+    end
+  end
+
+  def destroy
+    @ip_pool.destroy
+    redirect_to_with_json :ip_pools, :notice => "IP pool has been removed successfully."
+  rescue ActiveRecord::DeleteRestrictionError => e
+    redirect_to_with_json [:edit, @ip_pool], :alert => "IP pool cannot be removed because it is still assigned to servers/rules."
+  end
+
+  private
+
+  def safe_params
+    params.require(:ip_pool).permit(:name, :type, :default)
+  end
+
+end