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Viewing changes to hooks/pg_dir_hooks.py

  • Committer: bbaqar at plumgrid
  • Date: 2015-07-29 18:07:31 UTC
  • Revision ID: bbaqar@plumgrid.com-20150729180731-ioynar8x3u5pxytc
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hooks/pg_dir_hooks.py
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#!/usr/bin/python
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# Copyright (c) 2015, PLUMgrid Inc, http://plumgrid.com
 
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# The hooks of this charm have been symlinked to functions
 
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# in this file.
 
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import sys
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from charmhelpers.core.hookenv import (
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    Hooks,
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    UnregisteredHookError,
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    config,
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    log,
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    relation_set,
 
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)
 
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from charmhelpers.fetch import (
 
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    apt_install,
 
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    apt_purge,
 
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    configure_sources,
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)
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from pg_dir_utils import (
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    ensure_files,
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    restart_pg,
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    stop_pg,
 
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    determine_packages,
 
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    load_iovisor,
 
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    remove_iovisor,
 
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    ensure_mtu,
 
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    add_lcm_key,
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)
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hooks = Hooks()
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@hooks.hook()
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def install():
 
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    '''
 
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    Install hook is run when the charm is first deployed on a node.
 
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    '''
 
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    configure_sources(update=True)
 
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    pkgs = determine_packages()
 
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    for pkg in pkgs:
 
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        apt_install(pkg, options=['--force-yes'], fatal=True)
 
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    load_iovisor()
 
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    ensure_mtu()
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    ensure_files()
 
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    add_lcm_key()
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@hooks.hook('plumgrid-plugin-relation-joined')
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def plumgrid_dir():
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    ensure_files()
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    CONFIGS.write_all()
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    restart_pg()
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@hooks.hook('plumgrid-relation-joined')
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def plumgrid_joined(relation_id=None):
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    #We can pass information to the edge and gateway from there.
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    relation_data = {
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        'pg_virtual_ip': config('plumgrid-virtual-ip'),
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    }
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    relation_set(relation_id=relation_id, **relation_data)
 
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    '''
 
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    This hook is run when relation between neutron-api-plumgrid
 
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    and plumgrid-director is made.
 
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    '''
 
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    ensure_mtu()
 
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    ensure_files()
 
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    add_lcm_key()
 
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    CONFIGS.write_all()
 
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    restart_pg()
 
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@hooks.hook('config-changed')
 
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def config_changed():
 
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    '''
 
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    This hook is run when a config parameter is changed.
 
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    It also runs on node reboot.
 
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    '''
 
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    stop_pg()
 
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    configure_sources(update=True)
 
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    pkgs = determine_packages()
 
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    for pkg in pkgs:
 
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        apt_install(pkg, options=['--force-yes'], fatal=True)
 
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    load_iovisor()
 
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    ensure_mtu()
 
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    ensure_files()
 
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    add_lcm_key()
 
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    CONFIGS.write_all()
 
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    restart_pg()
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@hooks.hook('stop')
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def stop():
 
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    '''
 
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    This hook is run when the charm is destroyed.
 
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    '''
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    stop_pg()
 
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    remove_iovisor()
 
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    pkgs = determine_packages()
 
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    for pkg in pkgs:
 
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        apt_purge(pkg, fatal=False)
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def main():