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

app/controllers/challenges_controller.rb

@@ -24,30 +24,36 @@ class ChallengesController < ApplicationController
     @challenge.position = challenge_count + 1
     @challenge.shixun = @shixun
     @challenge.user = User.current
-    if @challenge.save
-      if params[:sample][:input].length > 0
-        params[:sample][:input].each_with_index do |value, index|
-          unless (value == params[:sample][:output][index] && value.blank?)
-            ChallengeSample.create(:challenge_id => @challenge.id, :input => value, :output => params[:sample][:output][index])
+    ActiveRecord::Base.transaction do
+      if @challenge.save
+        if params[:sample][:input].length > 0
+          params[:sample][:input].each_with_index do |value, index|
+            unless (value == params[:sample][:output][index] && value.blank?)
+              ChallengeSample.create(:challenge_id => @challenge.id, :input => value, :output => params[:sample][:output][index])
+            end
           end
         end
-      end
-      if params[:program][:output].length > 0
-        params[:program][:output].each do |output|
-          TestSet.create(:challenge_id => @challenge.id, :input => nil, :output => output)
+        if params[:program][:output].length > 0
+          params[:program][:output].each do |output|
+            TestSet.create(:challenge_id => @challenge.id, :input => nil, :output => output)
+          end
         end
-      end
-      unless params[:knowledge].blank?
-        params[:knowledge][:input].each do |input|
-          ChallengeTag.create(:name => input, :challenge_id => @challenge.id)
+        unless params[:knowledge].blank?
+          params[:knowledge][:input].each do |input|
+            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
+      else
+        respond_to do |format|
+          format.html { render :action => 'new' }
         end
-      end
-      respond_to do |format|
-        format.html {redirect_to shixun_challenge_path(@challenge, :shixun_id => @shixun), notice: '创建成功！'}
-      end
-    else
-      respond_to do |format|
-        format.html { render :action => 'new' }
       end
     end
   end

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