Added npm-publish-tarball

This adds an npm job that runs npm-pack, and then renames the
tarballs to match our versioning scheme before uploading them to
the tarball host.

The `npm pack` command commits the current project to the local
npm cache directory, which triggers a full lifecycle run (prepublish,
etc). This generates a tarball with all assets listed in the package's
"files" field, inside the npm cache. This tarball is then copied back
to the working directory.

Since the default naming is not helpful, the job then immediately
renames it before the tarballs are published, using our usual
version names.

This job is then used by ironic-webclient. Note that this commit
removes 'bare-precise' as a node option, because Ubuntu precise does
not package a recent enough version of nodejs for any of this.

Change-Id: Ifb7898f136fafae70b5b0cd2727cc478034667c7

jenkins/jobs/javascript.yaml

@@ -35,6 +35,33 @@
               copy-after-failure: true
     node: '{node}'
 
+# Builds and uploads a tarball using NPM.
+- job-template:
+    name: '{name}-npm-publish-tarball'
+
+    builders:
+      - npm-install
+      - revoke-sudo
+      - gerrit-git-prep
+
+      # This will build ./{name}-{version}.tgz, where {version} is read from
+      # package.json.
+      - npm-run:
+          command: 'pack'
+      - shell: |
+          #!/bin/bash -xe
+          /usr/local/jenkins/slave_scripts/version-properties.sh
+          source version.properties
+
+          # Move the autogenerated versioned tarball to the one we like.
+          mkdir -p dist
+          cp {name}-*.tgz dist/{name}-$PROJECT_VER.tar.gz
+          cp {name}-*.tgz dist/{name}-latest.tar.gz
+    publishers:
+      - console-log
+      - tarball
+    node: '{node}'
+
 # Builds a draft application and uploads it to docs-draft. To use this build,
 # your Gruntfile must declare a target named "build:draft"
 - job-template:

jenkins/jobs/projects.yaml

@@ -588,12 +588,13 @@
 
 - project:
     name: ironic-webclient
-    node: 'bare-precise || bare-trusty'
+    node: 'bare-trusty'
     tarball-site: tarballs.openstack.org
     doc-publisher-site: docs.openstack.org
 
     jobs:
       - javascript-jobs
+      - '{name}-npm-publish-tarball'
 
 - project:
     name: keystone

zuul/layout.yaml

@@ -2297,6 +2297,10 @@ projects:
     template:
       - name: merge-check
       - name: javascript-jobs
+    post:
+      - ironic-webclient-npm-publish-tarball
+    release:
+      - ironic-webclient-npm-publish-tarball
 
   - name: openstack/keystone
     template: