lib/arborist/monitor/snmp.rb
author Katelyn Schiesser <kschiesser@laika.com>
Thu, 18 Apr 2019 11:59:38 -0700
changeset 21 58e70e52f817
parent 20 00a38d493f2c
child 26 54f2f57cc0b0
permissions -rw-r--r--
Added tag v0.6.0 for changeset 00a38d493f2c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
     1
# -*- ruby -*-
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
     2
# vim: set noet nosta sw=4 ts=4 :
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
     3
#encoding: utf-8
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
     4
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
     5
require 'arborist/monitor' unless defined?( Arborist::Monitor )
14
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
     6
require 'netsnmp'
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
     7
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
     8
# SNMP checks for Arborist.  Requires an SNMP agent to be installed
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
     9
# on target machine, and the various "pieces" enabled for your platform.
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    10
#
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    11
# For example, for disk monitoring with Net-SNMP, you'll want to set
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    12
# 'includeAllDisks' in the snmpd.conf. bsnmpd on FreeBSD benefits from
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    13
# the 'bsnmp-ucd' package.  Etc.
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    14
#
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    15
module Arborist::Monitor::SNMP
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    16
	using Arborist::TimeRefinements
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    17
	extend Configurability, Loggability
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    18
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    19
	# Loggability API
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    20
	log_to :arborist_snmp
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    21
7
4548e58c8c66 Use the new #node_properties method, convery from .rvmrc
Mahlon E. Smith <mahlon@martini.nu>
parents: 4
diff changeset
    22
	# Always request the node addresses and any config.
4548e58c8c66 Use the new #node_properties method, convery from .rvmrc
Mahlon E. Smith <mahlon@martini.nu>
parents: 4
diff changeset
    23
	USED_PROPERTIES = [ :addresses, :config ].freeze
4548e58c8c66 Use the new #node_properties method, convery from .rvmrc
Mahlon E. Smith <mahlon@martini.nu>
parents: 4
diff changeset
    24
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    25
	# The OID that returns the system environment.
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    26
	IDENTIFICATION_OID = '1.3.6.1.2.1.1.1.0'
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    27
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    28
	# Global defaults for instances of this monitor
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    29
	#
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    30
	configurability( 'arborist.snmp' ) do
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    31
		setting :timeout, default: 2
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    32
		setting :retries, default: 1
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    33
		setting :community, default: 'public'
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    34
		setting :version, default: '2c'
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    35
		setting :port, default: 161
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    36
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    37
		# How many hosts to check simultaneously
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    38
		setting :batchsize, default: 25
7
4548e58c8c66 Use the new #node_properties method, convery from .rvmrc
Mahlon E. Smith <mahlon@martini.nu>
parents: 4
diff changeset
    39
	end
4548e58c8c66 Use the new #node_properties method, convery from .rvmrc
Mahlon E. Smith <mahlon@martini.nu>
parents: 4
diff changeset
    40
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    41
	# The mapping of addresses back to node identifiers.
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    42
	attr_reader :identifiers
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    43
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    44
	# The results hash that is sent back to the manager.
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    45
	attr_reader :results
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    46
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    47
4
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
    48
	### Connect to the SNMP daemon and yield.
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    49
	###
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    50
	def run( nodes )
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    51
1
8446f55f7e58 Allow local node "config" to override SNMP instanced globals. Add mount point includes and excludes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 0
diff changeset
    52
		# Create mapping of addresses back to node identifiers,
4
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
    53
		# and retain any custom (overrides) config per node.
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    54
		#
1
8446f55f7e58 Allow local node "config" to override SNMP instanced globals. Add mount point includes and excludes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 0
diff changeset
    55
		@identifiers = {}
4
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
    56
		@results     = {}
1
8446f55f7e58 Allow local node "config" to override SNMP instanced globals. Add mount point includes and excludes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 0
diff changeset
    57
		nodes.each_pair do |(identifier, props)|
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    58
			next unless props.key?( 'addresses' )
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    59
			address = props[ 'addresses' ].first
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    60
			self.identifiers[ address ] = [ identifier, props['config'] ]
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    61
		end
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    62
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    63
		# Perform the work!
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    64
		#
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    65
		mainstart  = Time.now
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    66
		threads    = ThreadGroup.new
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    67
		batchcount = nodes.size / Arborist::Monitor::SNMP.batchsize
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    68
		self.log.debug "Starting SNMP run for %d nodes" % [ nodes.size ]
1
8446f55f7e58 Allow local node "config" to override SNMP instanced globals. Add mount point includes and excludes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 0
diff changeset
    69
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    70
		self.identifiers.keys.each_slice( Arborist::Monitor::SNMP.batchsize ).each_with_index do |slice, batch|
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    71
			slicestart = Time.now
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    72
			self.log.debug "  %d hosts (batch %d of %d)" % [
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    73
				slice.size,
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    74
				batch + 1,
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    75
				batchcount + 1
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    76
			]
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    77
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    78
			slice.each do |host|
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    79
				thr = Thread.new do
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    80
					config = self.identifiers[ host ].last || {}
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    81
					opts = {
14
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
    82
						host:      host,
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    83
						port:      config[ 'port' ]      || Arborist::Monitor::SNMP.port,
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    84
						version:   config[ 'version' ]   || Arborist::Monitor::SNMP.version,
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    85
						community: config[ 'community' ] || Arborist::Monitor::SNMP.community,
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    86
						timeout:   config[ 'timeout' ]   || Arborist::Monitor::SNMP.timeout,
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    87
						retries:   config[ 'retries' ]   || Arborist::Monitor::SNMP.retries
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    88
					}
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    89
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    90
					begin
14
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
    91
						NETSNMP::Client.new( opts ) do |snmp|
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
    92
							Thread.current[ :system ] = snmp.get( oid: IDENTIFICATION_OID )
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
    93
							yield( host, snmp )
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
    94
						end
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    95
14
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
    96
					rescue => err
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
    97
						self.log.error "%s: %s\n%s" % [ host, err.message, err.backtrace.join("\n  ") ]
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
    98
						self.results[ host ] = {
14
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
    99
							error: "Exception (%s: %s)" % [ err.class.name, err.message ]
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   100
						}
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   101
					end
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   102
				end
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   103
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   104
				threads.add( thr )
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   105
			end
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   106
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   107
			# Wait for thread completions
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   108
			threads.list.map( &:join )
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   109
			self.log.debug "  finished after %0.1f seconds." % [ Time.now - slicestart ]
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   110
		end
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   111
		self.log.debug "Completed SNMP run for %d nodes after %0.1f seconds." % [ nodes.size, Time.now - mainstart ]
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   112
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   113
		# Map everything back to identifier -> attribute(s), and send to the manager.
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   114
		#
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   115
		reply = self.results.each_with_object({}) do |(address, results), hash|
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   116
			identifier = self.identifiers[ address ] or next
3
d46ca2b52efe Put the nil check back when building the results hash.
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   117
			hash[ identifier.first ] = results
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   118
		end
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   119
		return reply
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   120
4
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
   121
	ensure
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
   122
		@identifiers = {}
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
   123
		@results     = {}
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   124
	end
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   125
14
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
   126
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
   127
	### Return the current SNMP connection system string.
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
   128
	def system
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
   129
		return Thread.current[ :system ]
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
   130
	end
d5cb8bd33170 Although faster, once aiming a few thousand nodes at net-snmp2 it leaks memory like a sieve. Use 'netsnmp' instead.
Mahlon E. Smith <mahlon@martini.nu>
parents: 8
diff changeset
   131
4
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
   132
end # Arborist::Monitor::SNMP
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   133
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   134
require 'arborist/monitor/snmp/cpu'
4
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
   135
require 'arborist/monitor/snmp/disk'
8
e0b7c95a154f Refactor for real world usage and latest Arborist behaviors.
Mahlon E. Smith <mahlon@martini.nu>
parents: 7
diff changeset
   136
require 'arborist/monitor/snmp/process'
4
e6eb11b1e00d Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents: 3
diff changeset
   137
require 'arborist/monitor/snmp/memory'
20
00a38d493f2c add UPS monitoring capability
Katelyn Schiesser <kschiesser@laika.com>
parents: 14
diff changeset
   138
require 'arborist/monitor/snmp/ups'
00a38d493f2c add UPS monitoring capability
Katelyn Schiesser <kschiesser@laika.com>
parents: 14
diff changeset
   139
require 'arborist/monitor/snmp/ups/battery'
0
8547a1ce445e Initial commit.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   140