mirror of
https://github.com/kellyjonbrazil/jc.git
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299 lines
6.7 KiB
Python
299 lines
6.7 KiB
Python
"""jc - JSON CLI output utility ntpq Parser
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Usage:
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specify --ntpq as the first argument if the piped input is coming from ntpq -p
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Compatibility:
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'linux', 'freebsd'
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Examples:
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$ ntpq -p | jc --ntpq -p
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[
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{
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"remote": "44.190.6.254",
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"refid": "127.67.113.92",
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"st": 2,
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"t": "u",
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"when": 1,
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"poll": 64,
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"reach": 1,
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"delay": 23.399,
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"offset": -2.805,
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"jitter": 2.131,
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"state": null
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},
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{
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"remote": "ntp.wdc1.us.lea",
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"refid": "130.133.1.10",
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"st": 2,
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"t": "u",
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"when": null,
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"poll": 64,
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"reach": 1,
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"delay": 93.053,
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"offset": -0.807,
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"jitter": 2.839,
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"state": null
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},
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{
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"remote": "clock.team-cymr",
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"refid": "204.9.54.119",
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"st": 2,
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"t": "u",
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"when": null,
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"poll": 64,
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"reach": 1,
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"delay": 70.337,
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"offset": -2.909,
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"jitter": 2.6,
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"state": null
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},
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{
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"remote": "mirror1.sjc02.s",
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"refid": "216.218.254.202",
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"st": 2,
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"t": "u",
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"when": 2,
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"poll": 64,
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"reach": 1,
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"delay": 29.325,
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"offset": 1.044,
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"jitter": 4.069,
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"state": null,
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}
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]
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$ ntpq -pn| jc --ntpq -p
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[
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{
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"remote": "44.190.6.254",
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"refid": "127.67.113.92",
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"st": 2,
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"t": "u",
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"when": 66,
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"poll": 64,
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"reach": 377,
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"delay": 22.69,
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"offset": -0.392,
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"jitter": 2.085,
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"state": "+"
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},
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{
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"remote": "108.59.2.24",
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"refid": "130.133.1.10",
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"st": 2,
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"t": "u",
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"when": 63,
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"poll": 64,
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"reach": 377,
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"delay": 90.805,
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"offset": 2.84,
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"jitter": 1.908,
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"state": "-"
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},
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{
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"remote": "38.229.71.1",
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"refid": "204.9.54.119",
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"st": 2,
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"t": "u",
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"when": 64,
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"poll": 64,
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"reach": 377,
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"delay": 68.699,
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"offset": -0.61,
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"jitter": 2.576,
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"state": "+"
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},
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{
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"remote": "72.5.72.15",
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"refid": "216.218.254.202",
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"st": 2,
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"t": "u",
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"when": 63,
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"poll": 64,
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"reach": 377,
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"delay": 22.654,
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"offset": 0.231,
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"jitter": 1.964,
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"state": "*"
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}
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]
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$ ntpq -pn| jc --ntpq -p -r
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[
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{
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"s": "+",
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"remote": "44.190.6.254",
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"refid": "127.67.113.92",
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"st": "2",
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"t": "u",
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"when": "66",
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"poll": "64",
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"reach": "377",
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"delay": "22.690",
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"offset": "-0.392",
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"jitter": "2.085"
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},
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{
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"s": "-",
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"remote": "108.59.2.24",
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"refid": "130.133.1.10",
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"st": "2",
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"t": "u",
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"when": "63",
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"poll": "64",
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"reach": "377",
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"delay": "90.805",
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"offset": "2.840",
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"jitter": "1.908"
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},
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{
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"s": "+",
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"remote": "38.229.71.1",
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"refid": "204.9.54.119",
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"st": "2",
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"t": "u",
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"when": "64",
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"poll": "64",
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"reach": "377",
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"delay": "68.699",
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"offset": "-0.610",
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"jitter": "2.576"
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},
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{
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"s": "*",
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"remote": "72.5.72.15",
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"refid": "216.218.254.202",
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"st": "2",
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"t": "u",
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"when": "63",
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"poll": "64",
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"reach": "377",
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"delay": "22.654",
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"offset": "0.231",
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"jitter": "1.964"
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}
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]
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"""
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import jc.utils
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import jc.parsers.universal
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class info():
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version = '1.2'
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description = 'ntpq -p command parser'
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author = 'Kelly Brazil'
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author_email = 'kellyjonbrazil@gmail.com'
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# compatible options: linux, darwin, cygwin, win32, aix, freebsd
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compatible = ['linux', 'freebsd']
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magic_commands = ['ntpq']
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__version__ = info.version
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def process(proc_data):
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"""
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Final processing to conform to the schema.
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Parameters:
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proc_data: (dictionary) raw structured data to process
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Returns:
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List of dictionaries. Structured data with the following schema:
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[
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{
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"state": string, # space/~ converted to null
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"remote": string,
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"refid": string,
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"st": integer,
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"t": string,
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"when": integer, # - converted to null
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"poll": integer,
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"reach": integer,
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"delay": float,
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"offset": float,
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"jitter": float
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},
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]
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"""
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for entry in proc_data:
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if entry['s'] == '~':
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entry['s'] = None
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entry['state'] = entry.pop('s')
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int_list = ['st', 'when', 'poll', 'reach']
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for key in int_list:
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if key in entry:
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try:
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entry[key] = int(entry[key])
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except (ValueError):
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entry[key] = None
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float_list = ['delay', 'offset', 'jitter']
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for key in float_list:
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if key in entry:
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try:
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entry[key] = float(entry[key])
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except (ValueError):
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entry[key] = None
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return proc_data
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def parse(data, raw=False, quiet=False):
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"""
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Main text parsing function
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Parameters:
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data: (string) text data to parse
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raw: (boolean) output preprocessed JSON if True
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quiet: (boolean) suppress warning messages if True
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Returns:
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List of dictionaries. Raw or processed structured data.
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"""
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if not quiet:
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jc.utils.compatibility(__name__, info.compatible)
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cleandata = data.splitlines()
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raw_output = []
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if list(filter(None, cleandata)):
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cleandata[0] = 's ' + cleandata[0]
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cleandata[0] = cleandata[0].lower()
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# delete header delimiter
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del cleandata[1]
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# separate first character with a space for easier parsing
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for i, line in list(enumerate(cleandata[1:])):
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if line[0] == ' ':
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# fixup for no-state
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cleandata[i + 1] = '~ ' + line[1:]
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else:
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# fixup - realign columns since we added the 's' column
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cleandata[i + 1] = line[:1] + ' ' + line[1:]
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# fixup for occaisional ip/hostname fields with a space
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cleandata[i + 1] = cleandata[i + 1].replace(' (', '_(')
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raw_output = jc.parsers.universal.simple_table_parse(cleandata)
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if raw:
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return raw_output
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else:
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return process(raw_output)
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