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From mkby <...@git.apache.org>
Subject [GitHub] incubator-trafodion pull request #901: [TRAFODION-2291] Ambari integration
Date Sat, 07 Jan 2017 12:08:04 GMT
Github user mkby commented on a diff in the pull request:

    https://github.com/apache/incubator-trafodion/pull/901#discussion_r95057223
  
    --- Diff: install/README.md ---
    @@ -0,0 +1,75 @@
    +<!--
    +   # @@@ START COPYRIGHT @@@
    +   #
    +   # Licensed to the Apache Software Foundation (ASF) under one
    +   # or more contributor license agreements.  See the NOTICE file
    +   # distributed with this work for additional information
    +   # regarding copyright ownership.  The ASF licenses this file
    +   # to you under the Apache License, Version 2.0 (the
    +   # "License"); you may not use this file except in compliance
    +   # with the License.  You may obtain a copy of the License at
    +   #
    +   #   http://www.apache.org/licenses/LICENSE-2.0
    +   #
    +   # Unless required by applicable law or agreed to in writing,
    +   # software distributed under the License is distributed on an
    +   # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    +   # KIND, either express or implied.  See the License for the
    +   # specific language governing permissions and limitations
    +   # under the License.
    +   #
    +   # @@@ END COPYRIGHT @@@
    + -->
    +
    +## Trafodion Installers
    +
    +* **install** - This is the current command-line installer. It installs a server tarball
    +  on an existing CDH or HDP Hadoop cluster.
    +* **python-installer** - This is the new command-line installer, meant to replace current
    +  command-line installer. Likewise, installs server tarball on existing CDH, HDP,
    +  or APACHE cluster.
    +* **ambari-installer** - This integrates with Ambari cluster manager, so only applies
to HDP.
    +  In this case, trafodion server is installed via RPM. This is installed on Ambari server
as
    +  a management pack. Trafodion can be included in the initial cluster creation or added
later.
    +
    +## Ambari Integration
    +
    +The Ambari MPack (management pack) is also packaged as an RPM, having a dependency on
ambari-server.
    +Given a proper yum repo file, `traf_ambari` rpm
    +can be installed directly and it pulls in ambari-server.
    +If ambari-server is previously installed and running, it must be restarted to pick up
the Trafodion
    +management pack.
    +
    +#### Packaging
    +
    +Part of Ambari's job is to set up yum repo files on each node in order to install packages.
    +The default URLs are for Hortonworks' public repos. But since your custom-built Trafodion
is
    +not hosted there, you need to specify a URL for your local yum repo server. To build
that into
    +the `traf_ambari` package, use make to specify value of `REPO_URL`.
    +
    +   `make package REPO_URL=http://my.repo.server/repo/...`
    --- End diff --
    
    Great! So I think `REPO_URL` should only be the default value in the GUI, and user can
modify it. It's acceptable to me.


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