Filename: //lib/python3/dist-packages/cloudinit/config/cc_emit_upstart.py

# Copyright (C) 2009-2011 Canonical Ltd. # Copyright (C) 2012 Hewlett-Packard Development Company, L.P. # # Author: Scott Moser <scott.moser@canonical.com> # Author: Juerg Haefliger <juerg.haefliger@hp.com> # # This file is part of cloud-init. See LICENSE file for license information. """ Emit Upstart ------------ **Summary:** emit upstart configuration Emit upstart configuration for cloud-init modules on upstart based systems. No user configuration should be required. **Internal name:** ``cc_emit_upstart`` **Module frequency:** per always **Supported distros:** ubuntu, debian """ import os from cloudinit import log as logging from cloudinit.settings import PER_ALWAYS from cloudinit import subp frequency = PER_ALWAYS distros = ['ubuntu', 'debian'] LOG = logging.getLogger(__name__) def is_upstart_system(): if not os.path.isfile("/sbin/initctl"): LOG.debug("no /sbin/initctl located") return False myenv = os.environ.copy() if 'UPSTART_SESSION' in myenv: del myenv['UPSTART_SESSION'] check_cmd = ['initctl', 'version'] try: (out, _err) = subp.subp(check_cmd, env=myenv) return 'upstart' in out except subp.ProcessExecutionError as e: LOG.debug("'%s' returned '%s', not using upstart", ' '.join(check_cmd), e.exit_code) return False def handle(name, _cfg, cloud, log, args): event_names = args if not event_names: # Default to the 'cloud-config' # event for backwards compat. event_names = ['cloud-config'] if not is_upstart_system(): log.debug("not upstart system, '%s' disabled", name) return cfgpath = cloud.paths.get_ipath_cur("cloud_config") for n in event_names: cmd = ['initctl', 'emit', str(n), 'CLOUD_CFG=%s' % cfgpath] try: subp.subp(cmd) except Exception as e: # TODO(harlowja), use log exception from utils?? log.warning("Emission of upstart event %s failed due to: %s", n, e) # vi: ts=4 expandtab

./Ninja\.