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Merge pull request #445 from Ninpo/support-zfs-0.8.0

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Support parsing zpool output for ZFS >=0.8.0
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tobi-wan-kenobi 2019-09-27 19:11:37 +02:00 committed by GitHub
commit ff9ccee438
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1 changed files with 17 additions and 2 deletions
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17
bumblebee/modules/zpool.py
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@ -25,9 +25,12 @@ Be aware of security implications of doing this!
""" """
import time import time
import logging
from pkg_resources import parse_version
import bumblebee.engine import bumblebee.engine
from bumblebee.util import execute, bytefmt, asbool from bumblebee.util import execute, bytefmt, asbool
log = logging.getLogger(__name__)
class Module(bumblebee.engine.Module): class Module(bumblebee.engine.Module):
def __init__(self, engine, config): def __init__(self, engine, config):
@ -63,7 +66,16 @@ class Module(bumblebee.engine.Module):
return state return state
def _update_widgets(self, widgets): def _update_widgets(self, widgets):
zfs_version_path = "/sys/module/zfs/version"
# zpool list -H: List all zpools, use script mode (no headers and tabs as separators). # zpool list -H: List all zpools, use script mode (no headers and tabs as separators).
try:
with open(zfs_version_path, 'r') as zfs_mod_version:
zfs_version = zfs_mod_version.readline().rstrip().split('-')[0]
except IOError:
# ZFS isn't installed or the module isn't loaded, stub the version
zfs_version = "0.0.0"
logging.error("ZFS version information not found at {}, check the module is loaded.".format(zfs_version_path))
raw_zpools = execute(('sudo ' if self._usesudo else '') + 'zpool list -H').split('\n') raw_zpools = execute(('sudo ' if self._usesudo else '') + 'zpool list -H').split('\n')
for widget in widgets: for widget in widgets:
@ -71,8 +83,11 @@ class Module(bumblebee.engine.Module):
for raw_zpool in raw_zpools: for raw_zpool in raw_zpools:
try: try:
# Ignored fields (assigned to _) are "expandsz" and "altroot" # Ignored fields (assigned to _) are "expandsz" and "altroot", also "ckpoint" in ZFS 0.8.0+
if parse_version(zfs_version) < parse_version("0.8.0"):
name, size, alloc, free, _, frag, cap, dedup, health, _ = raw_zpool.split('\t') name, size, alloc, free, _, frag, cap, dedup, health, _ = raw_zpool.split('\t')
else:
name, size, alloc, free, _, _, frag, cap, dedup, health, _ = raw_zpool.split('\t')
cap = cap.rstrip('%') cap = cap.rstrip('%')
percentuse=int(cap) percentuse=int(cap)
percentfree=100-percentuse percentfree=100-percentuse