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Viewing changes to hooks/charmhelpers/core/host.py

  • Committer: David Ames
  • Date: 2015-09-28 17:45:40 UTC
  • mfrom: (145 trunk)
  • mto: This revision was merged to the branch mainline in revision 146.
  • Revision ID: david.ames@canonical.com-20150928174540-wx0t0d3uwgmlsotb
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Lines of Context:
hooks/charmhelpers/core/host.py
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    return service_result
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def service_pause(service_name, init_dir=None):
 
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def service_pause(service_name, init_dir="/etc/init", initd_dir="/etc/init.d"):
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    """Pause a system service.
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    Stop it, and prevent it from starting again at boot."""
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    if init_dir is None:
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        init_dir = "/etc/init"
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    stopped = service_stop(service_name)
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    # XXX: Support systemd too
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    override_path = os.path.join(
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        init_dir, '{}.override'.format(service_name))
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    with open(override_path, 'w') as fh:
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        fh.write("manual\n")
 
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    upstart_file = os.path.join(init_dir, "{}.conf".format(service_name))
 
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    sysv_file = os.path.join(initd_dir, service_name)
 
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    if os.path.exists(upstart_file):
 
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        override_path = os.path.join(
 
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            init_dir, '{}.override'.format(service_name))
 
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        with open(override_path, 'w') as fh:
 
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            fh.write("manual\n")
 
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    elif os.path.exists(sysv_file):
 
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        subprocess.check_call(["update-rc.d", service_name, "disable"])
 
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    else:
 
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        # XXX: Support SystemD too
 
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        raise ValueError(
 
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            "Unable to detect {0} as either Upstart {1} or SysV {2}".format(
 
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                service_name, upstart_file, sysv_file))
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    return stopped
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def service_resume(service_name, init_dir=None):
 
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def service_resume(service_name, init_dir="/etc/init",
 
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                   initd_dir="/etc/init.d"):
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    """Resume a system service.
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    Reenable starting again at boot. Start the service"""
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    # XXX: Support systemd too
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    if init_dir is None:
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        init_dir = "/etc/init"
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    override_path = os.path.join(
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        init_dir, '{}.override'.format(service_name))
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    if os.path.exists(override_path):
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        os.unlink(override_path)
 
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    upstart_file = os.path.join(init_dir, "{}.conf".format(service_name))
 
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    sysv_file = os.path.join(initd_dir, service_name)
 
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    if os.path.exists(upstart_file):
 
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        override_path = os.path.join(
 
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            init_dir, '{}.override'.format(service_name))
 
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        if os.path.exists(override_path):
 
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            os.unlink(override_path)
 
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    elif os.path.exists(sysv_file):
 
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        subprocess.check_call(["update-rc.d", service_name, "enable"])
 
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    else:
 
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        # XXX: Support SystemD too
 
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        raise ValueError(
 
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            "Unable to detect {0} as either Upstart {1} or SysV {2}".format(
 
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                service_name, upstart_file, sysv_file))
 
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    started = service_start(service_name)
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    return started
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