131 lines
2.8 KiB
Python
Executable File
131 lines
2.8 KiB
Python
Executable File
#!/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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log,
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config,
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)
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from charmhelpers.core.host import service_running
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from charmhelpers.fetch import (
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apt_install,
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configure_sources,
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)
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from pg_gw_utils import (
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register_configs,
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ensure_files,
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restart_pg,
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restart_map,
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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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fabric_interface_changed,
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load_iptables,
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restart_on_change,
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director_cluster_ready
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)
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hooks = Hooks()
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CONFIGS = register_configs()
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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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load_iptables()
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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-relation-changed')
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@restart_on_change(restart_map())
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def plumgrid_changed():
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'''
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This hook is run when relation between plumgrid-gateway and
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plumgrid-director is made.
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'''
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if director_cluster_ready():
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ensure_mtu()
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CONFIGS.write_all()
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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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charm_config = config()
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if charm_config.changed('lcm-ssh-key'):
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if add_lcm_key():
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log("PLUMgrid LCM Key added")
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if charm_config.changed('fabric-interfaces'):
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if not fabric_interface_changed():
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log("Fabric interface already set")
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else:
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stop_pg()
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if charm_config.changed('external-interfaces'):
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stop_pg()
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if (charm_config.changed('install_sources') or
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charm_config.changed('plumgrid-build') or
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charm_config.changed('install_keys') or
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charm_config.changed('iovisor-build')):
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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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remove_iovisor()
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load_iovisor()
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ensure_mtu()
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CONFIGS.write_all()
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if not service_running('plumgrid'):
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restart_pg()
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@hooks.hook('upgrade-charm')
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@restart_on_change(restart_map())
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def upgrade_charm():
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ensure_mtu()
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CONFIGS.write_all()
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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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def main():
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try:
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hooks.execute(sys.argv)
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except UnregisteredHookError as e:
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log('Unknown hook {} - skipping.'.format(e))
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if __name__ == '__main__':
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main()
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