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bundle resources into charm for ease of install; add extended status messages; use updated java-installer.sh that ensures java is on the path

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hooks/callbacks.py
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Add any additional tasks / setup here.  If a callback is used by mutliple
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charms, consider refactoring it up to the jujubigdata library.
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"""
 
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from charmhelpers.core import hookenv
 
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from charmhelpers.core import unitdata
 
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from jujubigdata.relations import NameNodeMaster
 
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def update_blocked_status():
 
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    if unitdata.kv().get('charm.active', False):
 
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        return
 
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    if NameNodeMaster(relation_name='secondary').connected_units():
 
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        hookenv.status_set('waiting', 'Waiting for HDFS master to provide primary NameNode'),
 
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    else:
 
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        hookenv.status_set('blocked', 'Waiting for relation to HDFS master'),
 
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def update_working_status():
 
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    if unitdata.kv().get('charm.active', False):
 
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        hookenv.status_set('maintenance', 'Updating configuration')
 
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        return
 
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    hookenv.status_set('maintenance', 'Setting up Secondary NameNode')
 
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def update_active_status():
 
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    unitdata.kv().set('charm.active', True)
 
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    hookenv.status_set('active', 'Ready')