glances.plugins.fs.zfs.zfs_stats() - Code Metrics - Inspection of "Merge pull request #3289 from bkanuka/issue3979-zf..." - nicolargo/glances - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

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by Nicolas

created 2025-09-25 18:48 UTC

glances.plugins.fs.zfs.zfs_stats() A

↳ Parent: glances.plugins.fs.zfs

Complexity

Conditions

Size

Total Lines	14
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	5
eloc	13
nop	1
dl	0
loc	14
rs	9.2833
c	0
b	0
f	0

#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2025 Nicolas Hennion <[email protected]>
#
# SPDX-License-Identifier: LGPL-3.0-only
#

# For the moment, thoses functions are only used in the MEM plugin (see #3979)

import os

from glances.logger import logger


def zfs_enable(zfs_stats_path='/proc/spl/kstat/zfs'):
    """Check if ZFS is enabled on this system."""
    return os.path.isdir(zfs_stats_path)


def zfs_stats(zfs_stats_files=['/proc/spl/kstat/zfs/arcstats']):
    """Get ZFS stats from /proc/spl/kstat/zfs files."""
    stats = {}
    for zfs_stats_file in zfs_stats_files:
        try:
            with open(zfs_stats_file) as f:
                lines = f.readlines()
            namespace = os.path.basename(zfs_stats_file)
            for line in lines[2:]:  # Skip the first two header lines
                parts = line.split()
                stats[namespace + '.' + parts[0]] = int(parts[2])
        except Exception as e:
            logger.error(f"Error reading ZFS stats in {zfs_stats_file}: {e}")
    return stats


1			#
2			# This file is part of Glances.
3			#
4			# SPDX-FileCopyrightText: 2025 Nicolas Hennion <[email protected]>
5			#
6			# SPDX-License-Identifier: LGPL-3.0-only
7			#
8
9			# For the moment, thoses functions are only used in the MEM plugin (see #3979)
10
11			import os
12
13			from glances.logger import logger
14
15
16			def zfs_enable(zfs_stats_path='/proc/spl/kstat/zfs'):
17			"""Check if ZFS is enabled on this system."""
18			return os.path.isdir(zfs_stats_path)
19
20
21			def zfs_stats(zfs_stats_files=['/proc/spl/kstat/zfs/arcstats']):
22			"""Get ZFS stats from /proc/spl/kstat/zfs files."""
23			stats = {}
24			for zfs_stats_file in zfs_stats_files:
25			try:
26			with open(zfs_stats_file) as f:
27			lines = f.readlines()
28			namespace = os.path.basename(zfs_stats_file)
29			for line in lines[2:]: # Skip the first two header lines
30			parts = line.split()
31			stats[namespace + '.' + parts[0]] = int(parts[2])
32			except Exception as e:
33			logger.error(f"Error reading ZFS stats in {zfs_stats_file}: {e}")
34			return stats
35

nicolargo / glances

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glances.plugins.fs.zfs.zfs_stats() A

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