~bigdata-dev/charms/trusty/apache-hadoop-hdfs-master/ganglia

Viewing changes to hooks/setup.py

bundle resources into charm for ease of install; add extended status messages; add actions to start/stop the cluster

added added

removed removed

import subprocess

from glob import glob

def pre_install():

"""

Do any setup required before the install hook.

"""

install_pip()

install_jujuresources()

install_bundled_resources()

def install_pip():

subprocess.check_call(['apt-get', 'install', '-yq', 'python-pip', 'bzr'])

def install_jujuresources():

"""

Install the bundled jujuresources library, if not present.

"""

try:

import jujuresources # noqa

except ImportError:

jr_archive = glob('resources/jujuresources-*.tar.gz')[0]

subprocess.check_call(['pip', 'install', jr_archive])

def install_bundled_resources():

"""

Install the bundled resources libraries.

"""

archives = glob('resources/python/*')

subprocess.check_call(['pip', 'install'] + archives)