Added Geo Nodes admin screen (CRUD)

app/controllers/admin/geo_nodes_controller.rb

+class Admin::GeoNodesController < Admin::ApplicationController
+  def index
+    @nodes = GeoNode.all
+    @node = GeoNode.new
+  end
+
+  def create
+    @node = GeoNode.new(geo_node_params)
+
+    if @node.save
+      redirect_to admin_geo_nodes_path, notice: 'Node was successfully created.'
+    else
+      @nodes = GeoNode.all
+      render :index
+    end
+  end
+
+  def destroy
+    @node = GeoNode.find(params[:id])
+    @node.destroy
+
+    redirect_to admin_geo_nodes_path
+  end
+
+  def geo_node_params
+    params.require(:geo_node).permit(:url, :host, :port, :primary, :relative_url_root, :schema)
+  end
+end

app/models/geo_node.rb

@@ -23,13 +23,22 @@ class GeoNode < ActiveRecord::Base
   validates :schema, inclusion: %w(http https)
 
   def uri
-    URI.parse("#{schema}://#{host}:#{port}/#{relative_url_root}")
+    relative_url = relative_url_root[0] == '/' ? relative_url_root[1..-1] : relative_url_root
+    URI.parse("#{schema}://#{host}:#{port}/#{relative_url}")
   end
 
   def url
     uri.to_s
   end
 
+  def url=(new_url)
+    new_uri = URI.parse(new_url)
+    self.schema = new_uri.scheme
+    self.host = new_uri.host
+    self.port = new_uri.port
+    self.relative_url_root = new_uri.path
+  end
+
   def notify_url
     URI::join(uri, "#{uri.path}/", 'api/geo/refresh_projects').to_s
   end

app/views/admin/geo_nodes/index.html.haml

+- page_title 'Geo nodes'
+%h3.page-title
+  Geo nodes
+
+%p.light
+  #{link_to 'Geo nodes', help_page_path('geo', 'nodes'), class: 'vlink'} are special GitLab
+  replicated instances.
+
+%hr
+
+
+= form_for @node, as: :geo_node, url: admin_geo_nodes_path, html: { class: 'form-horizontal' } do |f|
+  -if @node.errors.any?
+    .alert.alert-danger
+      - @node.errors.full_messages.each do |msg|
+        %p= msg
+  .form-group
+    = f.label :url, 'URL:', class: 'control-label'
+    .col-sm-10
+      = f.text_field :url, class: 'form-control'
+  .form-group
+    = f.label :primary, 'Primary', class: 'control-label checkbox'
+    .col-sm-10
+      .checkbox
+        = f.label :primary do
+          = f.check_box :primary
+          %strong This is a primary node
+  .form-actions
+    = f.submit 'Add Node', class: 'btn btn-create'
+%hr
+
+-if @nodes.any?
+  .panel.panel-default
+    .panel-heading
+      Geo nodes (#{@nodes.count})
+    %ul.well-list
+      - @nodes.each do |node|
+        %li
+          .list-item-name
+            %strong= node.url
+            %p #{node.primary ? 'Primary node' : 'Readonly node'}
+
+          .pull-right
+            = link_to 'Remove', admin_geo_node_path(node), data: { confirm: 'Are you sure?' }, method: :delete, class: 'btn btn-remove btn-sm'

config/routes.rb

@@ -277,6 +277,8 @@ Rails.application.routes.draw do
       get :download, on: :member
     end
 
+    resources :geo_nodes, only: [:index, :create, :destroy]
+
     resources :labels
 
     resources :runners, only: [:index, :show, :update, :destroy] do