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Checking out Ambari source

The following uses the Ambari git repository for the development process.

git clone https://git-wip-us.apache.org/repos/asf/ambari.git
cd ambari

We'll refer to the top-level "ambari" directory as AMBARI_DIR in this document.

Tools needed to build Ambari

  • JDK 1.6.0
  • Apache Maven 3.0.5 <- Maven 3.1.0 results in errors when building ambari-agent
  • Python 2.6

  • Python setuptools - python 2.6: Download or python 2.7: Download and run:
    2.6:

    sh setuptools-0.6c11-py2.6.egg

    2.7

    sh setuptools-0.6c11-py2.7.egg
  • rpmbuild (rpm-build package)
  • g++ (gcc-c++ package)

  • NodeJS - v0.10.2 or later is recommended.  Latest version tested for compatibility is v0.10.24 (as of Jan 15, 2014).  Download the binary tarball, extract, and put the bin directory in your PATH.  Verify that you can run the command node and npm.  Alternatively, you can use yum to install NodeJS if you are on Fedora 18:

    #Fedora 18: sudo yum update audit; sudo yum --enablerepo=updates-testing install nodejs npm

  • Brunch 1.7.13 (to install it, run the following command after NodeJS is installed):

    npm install -g brunch@1.7.13

    Verify that you can run the command brunch.  Later versions may work, but 1.7.13 is the latest version that has been tested (as of Jan 15, 2014).

Running Unit Tests

  • mvn clean test

NOTE: Please make sure you have npm in the path before running the unit tests.

Building Ambari

To build Ambari RPMs, run:

mvn -B -e versions:set -DnewVersion=${ambariversion} (where ambariversion = the version you want the artifacts to be - example 1.4.4 or 1.5.0 .... )

RHEL/Fedora/CentOS 5:

#Fedora 18: You may have to install rpmbuild if its not already installed...
yum --enablerepo=updates-testing install rpm-build

mvn -B clean install package rpm:rpm -DskipTests -Pcentos5 -Dpython.ver="python26" -Preplaceurl
#Note: Or you can use '-Dpython.ver="python > 2.6' as an alternative, which seems to work better in at least one RHEL instance."

RHEL/CentOS 6:

mvn -B clean install package rpm:rpm -DskipTests -Dpython.ver="python >= 2.6" -Preplaceurl

SUSE/SLES 11:

mvn -B clean install package rpm:rpm -DskipTests -Psuse11 -Dpython.ver="python >= 2.6" -Preplaceurl

Ambari Server RPM will be created under AMBARI_DIR/ambari-server/target/rpm/ambari-server/RPMS/noarch.
Ambari Agent RPM will be created under AMBARI_DIR/ambari-agent/target/rpm/ambari-agent/RPMS/x86_64.

Optional parameters:

  • -X -e: add these options for more verbose output by Maven.  Useful when debugging Maven issues.
  • -DdefaultStackVersion=STACK-VERSION
  • Sets the default stack and version to be used for installation (e.g., -DdefaultStackVersion=HDP-1.3.0)
  • -DenableExperimental=true
  • Enables experimental features to be available via Ambari Web (default is false)

NOTE: Run everything as root below.

Running the Ambari Server

First, install the Ambari Server RPM.

On RHEL/CentOS:

yum install ambari-server-*.rpm

#Note: The above seems to fail - since the RPMs are in the target/rpm/ directory.  Instead, 
#Try:
yum install ./ambari-server/target/rpm/ambari-server/RPMS/noarch/ambari-server-1.2.2-*.noarch.rpm

On SUSE/SLES:

zypper install ambari-server-*.rpm

Initialize Ambari Server:

ambari-server setup

Start up Ambari Server:

ambari-server start

See Ambari Server log:

tail -f /var/log/ambari-server/ambari-server.log

To access Ambari, go to

http://{ambari-server-hostname}:8080

from your web browser and log in with username admin and password admin.

Install and Start the Ambari Agent Manually on Each Host in the Cluster

Install the Ambari Agent RPM.

On RHEL/CentOS:

yum install ambari-agent-*.rpm

SUSE/SLES:

zypper install ambari-agent-*.rpm

Edit the location of Ambari Server in /etc/ambari-agent/conf/ambari-agent.ini by editing the hostname line.

Start Ambari Agent:

ambari-agent start

See Ambari Agent log:

tail -f /var/log/ambari-agent/ambari-agent.log

Setting up Ambari in Eclipse

$ mvn clean eclipse:eclipse

After doing the above you should be able to import the project via Eclipse "Import > Maven > Existing Maven Project". Choose the root directory where you cloned the git repository. You should be able to see the following projects on eclipse:

ambari
|
|- ambari-project
|- ambari-server
|- ambari-agent
|- ambari-web

Select the top-level "ambari pom.xml" and click Finish.

Coding Guidelines for Ambari

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