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Push — master ( 73a01d...ef36eb )
by Nicolas
04:43
created

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

↳ Parent: glances.plugins.fs.zfs

Complexity

Conditions 5

Size

Total Lines 14
Code Lines 13

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 5
eloc 13
nop 1
dl 0
loc 14
rs 9.2833
c 0
b 0
f 0
1 
#
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# This file is part of Glances.
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#
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# SPDX-FileCopyrightText: 2025 Nicolas Hennion <[email protected]>
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#
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# SPDX-License-Identifier: LGPL-3.0-only
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#
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# For the moment, thoses functions are only used in the MEM plugin (see #3979)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import os

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from glances.logger import logger

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def zfs_enable(zfs_stats_path='/proc/spl/kstat/zfs'):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """Check if ZFS is enabled on this system."""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    return os.path.isdir(zfs_stats_path)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def zfs_stats(zfs_stats_files=['/proc/spl/kstat/zfs/arcstats']):

            


            
                                                        
            
                                    
            
            

                
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    """Get ZFS stats from /proc/spl/kstat/zfs files."""

            


            
                                                        
            
                                    
            
            

                
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    stats = {}

            


            
                                                        
            
                                    
            
            

                
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    for zfs_stats_file in zfs_stats_files:

            


            
                                                        
            
                                    
            
            

                
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        try:

            


            
                                                        
            
                                    
            
            

                
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            with open(zfs_stats_file) as f:

            


            
                                                        
            
                                    
            
            

                
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                lines = f.readlines()

            


            
                                                        
            
                                    
            
            

                
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            namespace = os.path.basename(zfs_stats_file)

            


            
                                                        
            
                                    
            
            

                
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            for line in lines[2:]:  # Skip the first two header lines

            


            
                                                        
            
                                    
            
            

                
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                parts = line.split()

            


            
                                                        
            
                                    
            
            

                
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                stats[namespace + '.' + parts[0]] = int(parts[2])

            


            
                                                        
            
                                    
            
            

                
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        except Exception as e:

            


            
                                                        
            
                                    
            
            

                
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            logger.error(f"Error reading ZFS stats in {zfs_stats_file}: {e}")

            


            
                                                        
            
                                    
            
            

                
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    return stats

            


            
                                                        
            
                                    
            
            

                
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