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add pidstat parser

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Kelly Brazil
2022-03-09 12:13:32 -08:00
parent 8bfbf8f1bc
commit 01f2c1e71f
5 changed files with 162 additions and 2 deletions
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3
CHANGELOG
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@ -1,5 +1,8 @@
jc changelog jc changelog
20220309 v1.18.6 (in progress)
- Add pidstat parser tested on linux
20220305 v1.18.5 20220305 v1.18.5
- Fix date parser to ensure AM/PM period string is always uppercase - Fix date parser to ensure AM/PM period string is always uppercase

3
jc/lib.py
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@ -9,7 +9,7 @@ import importlib
from typing import Dict, List, Iterable, Union, Iterator from typing import Dict, List, Iterable, Union, Iterator
from jc import appdirs from jc import appdirs
__version__ = '1.18.5' __version__ = '1.18.6'
parsers = [ parsers = [
'acpi', 'acpi',
@ -63,6 +63,7 @@ parsers = [
'nmcli', 'nmcli',
'ntpq', 'ntpq',
'passwd', 'passwd',
'pidstat',
'ping', 'ping',
'ping-s', 'ping-s',
'pip-list', 'pip-list',

112
jc/parsers/pidstat.py Normal file
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@ -0,0 +1,112 @@
"""jc - JSON Convert `pidstat` command output parser
<<Short pidstat description and caveats>>
Usage (cli):
$ pidstat | jc --pidstat
or
$ jc pidstat
Usage (module):
import jc
result = jc.parse('pidstat', pidstat_command_output)
or
import jc.parsers.pidstat
result = jc.parsers.pidstat.parse(pidstat_command_output)
Schema:
[
{
"pidstat": string,
"bar": boolean,
"baz": integer
}
]
Examples:
$ pidstat | jc --pidstat -p
[]
$ pidstat | jc --pidstat -p -r
[]
"""
from typing import List, Dict
import jc.utils
class info():
"""Provides parser metadata (version, author, etc.)"""
version = '1.0'
description = '`pidstat` command parser'
author = 'Kelly Brazil'
author_email = 'kellyjonbrazil@gmail.com'
compatible = ['linux']
magic_commands = ['pidstat']
__version__ = info.version
def _process(proc_data: List[Dict]) -> List[Dict]:
"""
Final processing to conform to the schema.
Parameters:
proc_data: (List of Dictionaries) raw structured data to process
Returns:
List of Dictionaries. Structured to conform to the schema.
"""
# process the data here
# rebuild output for added semantic information
# use helper functions in jc.utils for int, float, bool
# conversions and timestamps
return proc_data
def parse(
data: str,
raw: bool = False,
quiet: bool = False
) -> List[Dict]:
"""
Main text parsing function
Parameters:
data: (string) text data to parse
raw: (boolean) unprocessed output if True
quiet: (boolean) suppress warning messages if True
Returns:
List of Dictionaries. Raw or processed structured data.
"""
jc.utils.compatibility(__name__, info.compatible, quiet)
jc.utils.input_type_check(data)
raw_output: List = []
if jc.utils.has_data(data):
for line in filter(None, data.splitlines()):
# parse the content here
# check out helper functions in jc.utils
# and jc.parsers.universal
pass
return raw_output if raw else _process(raw_output)

2
setup.py
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@ -5,7 +5,7 @@ with open('README.md', 'r') as f:
setuptools.setup( setuptools.setup(
name='jc', name='jc',
version='1.18.5', version='1.18.6',
author='Kelly Brazil', author='Kelly Brazil',
author_email='kellyjonbrazil@gmail.com', author_email='kellyjonbrazil@gmail.com',
description='Converts the output of popular command-line tools and file-types to JSON.', description='Converts the output of popular command-line tools and file-types to JSON.',

44
tests/fixtures/centos-7.7/pidstat.out vendored Normal file
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@ -0,0 +1,44 @@
Linux 3.10.0-1062.1.2.el7.x86_64 (localhost) 03/09/2022 _x86_64_ (1 CPU)
12:06:39 PM UID PID %usr %system %guest %CPU CPU Command
12:06:39 PM 0 1 0.00 0.05 0.00 0.05 0 systemd
12:06:39 PM 0 6 0.00 0.00 0.00 0.00 0 ksoftirqd/0
12:06:39 PM 0 9 0.00 0.01 0.00 0.01 0 rcu_sched
12:06:39 PM 0 11 0.00 0.00 0.00 0.00 0 watchdog/0
12:06:39 PM 0 32 0.00 0.00 0.00 0.00 0 khugepaged
12:06:39 PM 0 308 0.00 0.00 0.00 0.00 0 scsi_eh_1
12:06:39 PM 0 309 0.00 0.00 0.00 0.00 0 kworker/u256:2
12:06:39 PM 0 319 0.00 0.00 0.00 0.00 0 scsi_eh_2
12:06:39 PM 0 357 0.00 0.00 0.00 0.00 0 irq/16-vmwgfx
12:06:39 PM 0 465 0.00 0.01 0.00 0.01 0 xfsaild/dm-0
12:06:39 PM 0 466 0.00 0.00 0.00 0.00 0 kworker/0:1H
12:06:39 PM 0 543 0.00 0.00 0.00 0.01 0 systemd-journal
12:06:39 PM 0 564 0.00 0.00 0.00 0.00 0 lvmetad
12:06:39 PM 0 577 0.00 0.00 0.00 0.01 0 systemd-udevd
12:06:39 PM 0 752 0.00 0.00 0.00 0.00 0 auditd
12:06:39 PM 0 779 0.00 0.00 0.00 0.00 0 bluetoothd
12:06:39 PM 999 780 0.00 0.00 0.00 0.00 0 polkitd
12:06:39 PM 0 782 0.00 0.00 0.00 0.00 0 smartd
12:06:39 PM 0 784 0.00 0.00 0.00 0.00 0 systemd-logind
12:06:39 PM 81 787 0.00 0.00 0.00 0.01 0 dbus-daemon
12:06:39 PM 998 790 0.00 0.00 0.00 0.00 0 chronyd
12:06:39 PM 0 834 0.00 0.01 0.00 0.01 0 crond
12:06:39 PM 0 847 0.01 0.01 0.00 0.02 0 firewalld
12:06:39 PM 0 849 0.00 0.00 0.00 0.00 0 agetty
12:06:39 PM 0 852 0.00 0.00 0.00 0.00 0 login
12:06:39 PM 0 882 0.00 0.00 0.00 0.01 0 NetworkManager
12:06:39 PM 0 1031 0.00 0.00 0.00 0.00 0 dhclient
12:06:39 PM 0 1220 0.00 0.00 0.00 0.00 0 sshd
12:06:39 PM 0 1221 0.06 0.03 0.00 0.09 0 dockerd-current
12:06:39 PM 0 1222 0.01 0.01 0.00 0.02 0 tuned
12:06:39 PM 0 1225 0.00 0.01 0.00 0.01 0 rsyslogd
12:06:39 PM 0 1293 0.04 0.02 0.00 0.05 0 docker-containe
12:06:39 PM 0 1496 0.00 0.00 0.00 0.00 0 master
12:06:39 PM 89 1511 0.00 0.00 0.00 0.00 0 pickup
12:06:39 PM 1000 1852 0.00 0.00 0.00 0.00 0 bash
12:06:39 PM 0 1872 0.00 0.00 0.00 0.00 0 sshd
12:06:39 PM 1000 1876 0.00 0.00 0.00 0.00 0 sshd
12:06:39 PM 1000 1877 0.00 0.00 0.00 0.00 0 bash
12:06:39 PM 0 2062 0.00 0.01 0.00 0.01 0 kworker/0:0
12:06:39 PM 0 2085 0.00 0.00 0.00 0.00 0 kworker/0:1
12:06:39 PM 1000 2123 0.00 0.00 0.00 0.00 0 pidstat