author | Mahlon E. Smith <mahlon@martini.nu> |
Wed, 30 Aug 2017 13:55:02 -0700 | |
changeset 7 | 4548e58c8c66 |
parent 4 | e6eb11b1e00d |
permissions | -rw-r--r-- |
4
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
changeset
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1 |
# -*- ruby -*- |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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2 |
# vim: set noet nosta sw=4 ts=4 : |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
changeset
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3 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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4 |
require 'arborist/monitor/snmp' unless defined?( Arborist::Monitor::SNMP ) |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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5 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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6 |
# SNMP 5 minute load checks. |
e6eb11b1e00d
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parents:
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7 |
# Sets current 5 minute load as a 'load5' attribute. |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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8 |
# |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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9 |
class Arborist::Monitor::SNMP::Load |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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10 |
include Arborist::Monitor::SNMP |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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11 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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12 |
extend Loggability |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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13 |
log_to :arborist |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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15 |
# OIDS for discovering system load. |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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16 |
# |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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17 |
LOAD = { |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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18 |
five_min: '1.3.6.1.4.1.2021.10.1.3.2' |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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19 |
} |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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20 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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21 |
# Global defaults for instances of this monitor |
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parents:
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22 |
# |
e6eb11b1e00d
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parents:
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23 |
DEFAULT_OPTIONS = { |
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parents:
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24 |
error_at: 7 |
e6eb11b1e00d
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parents:
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25 |
} |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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26 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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27 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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### Class #run creates a new instance. |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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29 |
### |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
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parents:
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def self::run( nodes ) |
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return new.run( nodes ) |
e6eb11b1e00d
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parents:
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end |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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33 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
changeset
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34 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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35 |
### Create a new instance of this monitor. |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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36 |
### |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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37 |
def initialize( options=DEFAULT_OPTIONS ) |
e6eb11b1e00d
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parents:
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38 |
options = DEFAULT_OPTIONS.merge( options || {} ) |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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options.each do |name, value| |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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self.public_send( "#{name.to_s}=", value ) |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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41 |
end |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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42 |
end |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
changeset
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43 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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44 |
# Set an error if mount points are above this percentage. |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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45 |
attr_accessor :error_at |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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46 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
changeset
|
47 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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48 |
### Perform the monitoring checks. |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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49 |
### |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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50 |
def run( nodes ) |
e6eb11b1e00d
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parents:
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super do |snmp, host| |
e6eb11b1e00d
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parents:
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52 |
self.gather_load( snmp, host ) |
e6eb11b1e00d
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parents:
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53 |
end |
e6eb11b1e00d
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parents:
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54 |
end |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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55 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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56 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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57 |
######### |
e6eb11b1e00d
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parents:
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58 |
protected |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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59 |
######### |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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61 |
### Collect the load information for +host+ from an existing |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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### (and open) +snmp+ connection. |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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63 |
### |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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64 |
def gather_load( snmp, host ) |
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parents:
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self.log.debug "Getting system load for: %s" % [ host ] |
e6eb11b1e00d
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parents:
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66 |
load5 = snmp.get( SNMP::ObjectId.new( LOAD[:five_min] ) ).varbind_list.first.value.to_f |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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67 |
self.log.debug " Load on %s: %0.2f" % [ host, load5 ] |
e6eb11b1e00d
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parents:
diff
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68 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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69 |
config = @identifiers[ host ].last || {} |
e6eb11b1e00d
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parents:
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error_at = config[ 'error_at' ] || self.error_at |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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if load5 >= error_at |
e6eb11b1e00d
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parents:
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72 |
@results[ host ] = { |
e6eb11b1e00d
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parents:
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73 |
error: "Load has exceeded %0.2f over a 5 minute average" % [ error_at ], |
e6eb11b1e00d
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parents:
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74 |
load5: load5 |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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75 |
} |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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76 |
else |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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77 |
@results[ host ] = { load5: load5 } |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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78 |
end |
e6eb11b1e00d
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Mahlon E. Smith <mahlon@martini.nu>
parents:
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79 |
end |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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80 |
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e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
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81 |
end # class Arborist::Monitor::SNMP::Load |
e6eb11b1e00d
Refactor. Move all SNMP "sections" to their own classes.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff
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82 |