Add noop job and pipeline

This patch adds noop pipeline for Zuul layout config file and noop
Jenkins job for resolving projects, which added as Depends-on
for Sahara patches.

Change-Id: Ic914ac67304fb8134b05a68507a1686944f1bf51

config/zuul/layout.yaml

@@ -23,6 +23,12 @@ pipelines:
         - event: change-merged
         - event: comment-added
           comment_filter: (?i)^\s*rebuild(( sahara-ci))\s*$
+  - name: noop
+    manager: IndependentPipelineManager
+    trigger:
+      gerrit:
+        - event: comment-added
+          comment: (?i)^(Patch Set [0-9]+:)?( [\w\\+-]*)*(\n\n)?\s*(sahara-ci-)?recheck
 
 projects:
   - name: openstack/sahara
@@ -84,6 +90,10 @@ projects:
     check:
       - sahara-ci-syntax-check
 
+  - name: openstack/heat
+    noop:
+      - noop
+
 jobs:
   - name: ^.*$
     parameter-function: set_params

jenkins_job_builder/ci-infra.yaml

@@ -119,3 +119,15 @@
 
     builders:
       - shell:  "/opt/ci/files/update_pool.sh"
+
+- job:
+    name: noop
+    node: master
+    project-type: freestyle
+    description: "<b>This job is managed by Jenkins Job Builder, do not edit it through WebUI.\
+                  \n<p>Please use this repository to make changes: <a href=\"https://git.openstack.org/openstack/sahara-ci-config\">https://git.openstack.org/openstack/sahara-ci-config</a></b>\
+                  \n<p><b>Title</b>: Update Pool <br/>\
+                  \n<b>Description</b>: This job updates vm pool using Nodepool. <br/>\
+                  \n<b>Maintainer</b>: Sergey Kolekonov<br/>"
+    defaults: global
+    disabled: false