1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
# frozen_string_literal: true
#
# Author:: Jason J. W. Williams (williamsjj@digitar.com)
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
Ohai.plugin(:Zpools) do
provides "zpools"
depends "platform_family"
# If zpool status doesn't know about a field it returns '-'.
# We don't want to fill a field with that
def sanitize_value(value)
value == "-" ? nil : value
end
def gather_pool_info
pools = Mash.new
begin
# Grab ZFS zpools overall health and attributes
so = shell_out("zpool list -H -o name,size,alloc,free,cap,dedup,health,version")
so.stdout.lines do |line|
case line
when /^([-_0-9A-Za-z]*)\s+([.0-9]+[MGTPE])\s+([.0-9]+[MGTPE])\s+([.0-9]+[MGTPE])\s+(\d+%)\s+([.0-9]+x)\s+([-_0-9A-Za-z]+)\s+(\d+|-)$/
Ohai::Log.debug("Plugin Zpools: Parsing zpool list line: #{line.chomp}")
pools[$1] = Mash.new
pools[$1][:pool_size] = sanitize_value($2)
pools[$1][:pool_allocated] = sanitize_value($3)
pools[$1][:pool_free] = sanitize_value($4)
pools[$1][:capacity_used] = sanitize_value($5)
pools[$1][:dedup_factor] = sanitize_value($6)
pools[$1][:health] = sanitize_value($7)
pools[$1][:zpool_version] = sanitize_value($8)
end
end
rescue Ohai::Exceptions::Exec
Ohai::Log.debug('Plugin Zpools: Could not shell_out "zpool list -H -o name,size,alloc,free,cap,dedup,health,version". Skipping plugin.')
end
pools
end
collect_data(:solaris2, :linux, :freebsd, :openbsd, :netbsd, :dragonflybsd) do
pools = gather_pool_info
# Grab individual health for devices in the zpools
pools.each_key do |pool|
pools[pool][:devices] = Mash.new
# Run "zpool status" as non-root user (adm) so that
# the command won't try to open() each device which can
# hang the command if any of the disks are bad.
if platform_family == "solaris2"
command = "su adm -c \"zpool status #{pool}\""
else
# -L is used to give us real device names not label or uuid
# for example sda instead of ata-WDC_WD60EZAZ-00SF3B0_WD-WX32D203UXYK
command = "zpool status #{pool} -L"
end
so = shell_out(command)
so.stdout.lines do |line|
case line
# linux: http://rubular.com/r/J3wQC6E2lH
# solaris: http://rubular.com/r/FqOBzUQQ4p
# freebsd: http://rubular.com/r/RYkMNlytXl
when /^\s+((sd|c|ad|da|nvme|xvd)[-_a-zA-Z0-9]+)\s+([-_a-zA-Z0-9]+)\s+(\d+)\s+(\d+)\s+(\d+)$/
logger.trace("Plugin Zpools: Parsing zpool status line: #{line.chomp}")
pools[pool][:devices][$1] = Mash.new
pools[pool][:devices][$1][:state] = $3
pools[pool][:devices][$1][:errors] = Mash.new
pools[pool][:devices][$1][:errors][:read] = $4
pools[pool][:devices][$1][:errors][:write] = $5
pools[pool][:devices][$1][:errors][:checksum] = $6
end
end
end
# Set the zpools data
zpools pools unless pools.empty?
end
end
|