challenge保存的时候向jenkins发送请求，生成pipeline片段

app/controllers/challenges_controller.rb

@@ -24,6 +24,7 @@ class ChallengesController < ApplicationController
     @challenge.position = challenge_count + 1
     @challenge.shixun = @shixun
     @challenge.user = User.current
+    ActiveRecord::Base.transaction do
       if @challenge.save
         if params[:sample][:input].length > 0
           params[:sample][:input].each_with_index do |value, index|
@@ -42,6 +43,10 @@ class ChallengesController < ApplicationController
             ChallengeTag.create(:name => input, :challenge_id => @challenge.id)
           end
         end
+        # 向jenkins端发送请求，构建pipeline片段
+        params = {:shixunType => "#{@challenge.evaluation_way.to_i}", :filePath => "#{@challenge.path}", :step => "#{@challenge.position}"}
+        uri = URI("#{jenkins_shixuns}/jenkins-exec/api/generateScriptPerChallenge")
+        res = uri_exec uri, params
         respond_to do |format|
           format.html {redirect_to shixun_challenge_path(@challenge, :shixun_id => @shixun), notice: '创建成功！'}
         end
@@ -51,6 +56,7 @@ class ChallengesController < ApplicationController
         end
       end
     end
+  end
 
   def index
     # 顶部导航

db/migrate/20170412023151_add_script_to_challenge.rb

@@ -0,0 +1,5 @@
+class AddScriptToChallenge < ActiveRecord::Migration
+  def change
+    add_column :challenges, :pipeline_script, :text
+  end
+end