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Commit 86f1688d authored by Andreas Unterkircher's avatar Andreas Unterkircher
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sensors.rb, convert to class

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lib/facter/sensors.rb
+ 193
− 147
View file @ 86f1688d
......@@ -21,196 +21,242 @@ require 'facter'
$blacklist_conf = '/etc/facter/sensors_blacklist.conf'
#
# has_raw_sensor_data? returns TRUE if lm-sensors returned output at all.
# Otherwise returns FALSE.
#
def has_raw_sensor_data?
if !defined?($sensor_data_raw) or
!$sensor_data_raw.is_a?(String) or
$sensor_data_raw.nil? or
$sensor_data_raw.empty?
return FALSE
class PuppetModuleUnkiSensors
private
@sensor_data_raw = nil
@sensor_data = nil
@blacklist = nil
#
# has_raw_sensor_data? returns TRUE, if lm-sensors returned output
# at all. Otherwise it returns FALSE.
#
def has_raw_sensor_data?
if !defined?(@sensor_data_raw) or
!@sensor_data_raw.is_a?(String) or
@sensor_data_raw.nil? or
@sensor_data_raw.empty?
return FALSE
end
return TRUE
end
return TRUE
end
#
# has_sensor_data? returns TRUE, if lm-sensors returned output
# at all. Otherwise it returns FALSE. It acts similar to
# has_raw_sensor_data? but work on the parsed sensor data
# retrieved from the raw-data.
#
def has_sensor_data?
if !defined?(@sensor_data) or
!@sensor_data.is_a?(Hash) or
@sensor_data.nil? or
@sensor_data.empty?
return FALSE
end
#
# has_sensor_data? returns TRUE if lm-sensors returned output at all.
# Otherwise returns FALSE.
#
def has_sensor_data?
if !defined?($sensor_data) or
!$sensor_data.is_a?(Hash) or
$sensor_data.nil? or
$sensor_data.empty?
return FALSE
return TRUE
end
return TRUE
end
#
# parse_sensor_data parses the read values from lm-sensors
# on puts those readings into the @sensor_data hash variable.
#
# On success it returns TRUE, otherwise FALSE.
#
def parse_sensor_data
if ! has_raw_sensor_data?
return FALSE
end
def parse_sensor_data
if ! has_raw_sensor_data?
return FALSE
end
have_chip = FALSE
have_sensor = FALSE
sensor = nil
chip = nil
@sensor_data_raw.split("\n").each { |line|
#
# if we already found a chip before in @sensor_data_raw _AND_ the
# current line contains only a newline-character ('\n'), it most
# probably signals the end of the chip's sensor data.
#
# so prepare us for the next chip to parse.
#
if have_chip == TRUE and line.empty?
chip = nil
sensor = nil
have_chip = FALSE
have_sensor = FALSE
next
end
have_chip = FALSE
have_sensor = FALSE
sensor = nil
chip = nil
#
# if we haven't located a chip and even the current line does not
# look like a chip's name, move on to the next line.
#
next if have_chip == FALSE and line !~ /^([[:graph:]]+[^:])$/
$sensor_data_raw.split("\n").each { |line|
if have_chip == FALSE
chip = $1.gsub(' ', '_')
#
# if we already found a chip before in $sensor_data_raw _AND_ the
# current line contains only a newline-character ('\n'), it most
# probably signals the end of the chip's sensor data.
#
# so prepare us for the next chip to parse.
#
if have_chip == TRUE and line.empty?
chip = nil
sensor = nil
have_chip = FALSE
have_sensor = FALSE
next
end
if @blacklist.include?(chip)
Facter.debug("Skipping blacklisted chip: #{chip}")
next
end
#
# if we haven't located a chip and even the current line does not
# look like a chip's name, move on to the next line.
# #
next if have_chip == FALSE and line !~ /^([[:graph:]]+[^:])$/
have_chip = TRUE
have_sensor = FALSE
sensor = nil
if have_chip == FALSE
chip = $1.gsub(' ', '_')
if !defined?(@sensor_data[chip]) or
@sensor_data[chip].nil? or
!@sensor_data[chip].is_a?(Hash)
if $blacklist.include?(chip)
Facter.debug("Skipping blacklisted chip: #{chip}")
@sensor_data[chip] = Hash.new
end
Facter.debug("Found chip: #{chip}")
next
end
have_chip = TRUE
have_sensor = FALSE
sensor = nil
#
# if we haven't located a sensor and even the current line does not
# look like a sensor's name, move on to the next line.
#
next if have_sensor == FALSE and line !~ /^([[:print:]]+):$/
if !defined?($sensor_data[chip]) or
$sensor_data[chip].nil? or
!$sensor_data[chip].is_a?(Hash)
# if we haven't located a sensor before, but now got a line that does
# look like a sensor's name, record it and move on to the next line.
if have_sensor == FALSE
sensor = $1.gsub(' ', '_')
$sensor_data[chip] = Hash.new
end
if @blacklist.include?("#{chip}_#{sensor}")
Facter.debug("Skipping blacklisted sensor: #{chip}_#{sensor}")
next
end
Facter.debug("Found chip: #{chip}")
next
end
have_sensor = TRUE
#
# if we haven't located a sensor and even the current line does not
# look like a sensor's name, move on to the next line.
#
next if have_sensor == FALSE and line !~ /^([[:print:]]+):$/
if !defined?(@sensor_data[chip][sensor]) or
@sensor_data[chip][sensor].nil? or
!@sensor_data[chip][sensor].is_a?(Hash)
# if we haven't located a sensor before, but now got a line that does
# look like a sensor's name, record it and move on to the next line.
if have_sensor == FALSE
sensor = $1.gsub(' ', '_')
@sensor_data[chip][sensor] = Hash.new
end
if $blacklist.include?("#{chip}_#{sensor}")
Facter.debug("Skipping blacklisted sensor: #{chip}_#{sensor}")
Facter.debug("Found sensor: #{sensor}")
next
end
have_sensor = TRUE
#
# here we await, that the line contains a sensors measurement values.
# otherwise it would signals the end of the sensors data and we have
# to clear for the next sensor.
#
if line !~ /^[[:blank:]]+([[:alnum:]]+)_([[:graph:]]+):[[:blank:]]([[:graph:]]+)/
sensor = nil
have_sensor = FALSE
redo
end
if !defined?($sensor_data[chip][sensor]) or
$sensor_data[chip][sensor].nil? or
!$sensor_data[chip][sensor].is_a?(Hash)
@sensor_data[chip][sensor]["#{$1}_#{$2}"] = $3
Facter.debug("Found data: #{$1}_#{$2} = #{$3}")
}
$sensor_data[chip][sensor] = Hash.new
end
return TRUE
end
def load_blacklist
return TRUE if ! File.exist?($blacklist_conf)
Facter.debug("Found sensor: #{sensor}")
next
if ! File.readable?($blacklist_conf)
Facter.warn("Sensor blacklist #{$blacklist_conf} is not readable!")
return FALSE
end
#
# here we await, that the line contains a sensors measurement values.
# otherwise it would signals the end of the sensors data and we have
# to clear for the next sensor.
#
if line !~ /^[[:blank:]]+([[:alnum:]]+)_([[:graph:]]+):[[:blank:]]([[:graph:]]+)/
sensor = nil
have_sensor = FALSE
redo
begin
file = File.new($blacklist_conf, 'r')
rescue Exception => err
Facter.log_exception("Failed to load blacklist config: #{err}")
return FALSE
end
$sensor_data[chip][sensor]["#{$1}_#{$2}"] = $3
Facter.debug("Found data: #{$1}_#{$2} = #{$3}")
}
while (line = file.gets)
next if !defined?(line) or line.nil? or !line.is_a?(String) or line.chomp.empty?
Facter.debug("Sensor blacklist entry: #{line.chomp}")
@blacklist.push(line.chomp)
end
return TRUE
end
file.close
return TRUE
end
def check_requirements
if ! Facter::Core::Execution::which('sensors')
Facter.warn("Failed to locate lm-sensors 'sensors' binary!")
return FALSE
end
return TRUE
end
def get_sensor_data
@sensor_data_raw = Facter::Core::Execution.exec('sensors -u -A')
def load_blacklist
return TRUE if ! File.exist?($blacklist_conf)
if !has_raw_sensor_data?
Facter.warn("Failed to read RAW-data from 'sensors' binary!")
return FALSE
end
return TRUE
end
def initialize
@blacklist = Array.new
@sensor_data = Hash.new
return if !check_requirements
return if !get_sensor_data
return if !load_blacklist()
if ! parse_sensor_data()
Facter.warn("parse_sensor_data() failed!")
return FALSE
end
if ! File.readable?($blacklist_conf)
Facter.warn("Sensor blacklist #{$blacklist_conf} is not readable!")
return FALSE
Facter.debug("Result: #{@sensor_data}")
# what @sensor_data now actually contain can be handled like this:
#
#@sensor_data.each { |chip, sensors|
# sensors.each { |sensor, data|
# data.each { |key, value|
# }
# }
#}
end
file = File.new($blacklist_conf, 'r')
while (line = file.gets)
next if !defined?(line) or line.nil? or !line.is_a?(String) or line.chomp.empty?
Facter.debug("Sensor blacklist entry: #{line.chomp}")
$blacklist.push(line.chomp)
public
def dump
return if !has_sensor_data?
return @sensor_data
end
file.close
end
return TRUE
begin
$sensors = PuppetModuleUnkiSensors.new
rescue Exception,LoadError => err
Facter.log_exception("Failed to load PuppetModuleUnkiSensors class: #{err}")
end
Facter.add(:sensors) do
confine :kernel => 'Linux'
confine :virtual => 'physical'
setcode do
begin
if ! Facter::Core::Execution::which('sensors')
Facter.warn("Failed to locate lm-sensors 'sensors' binary!")
else
$sensor_data_raw = Facter::Core::Execution.exec('sensors -u -A')
if !has_raw_sensor_data?
Facter.warn("Failed to read RAW-data from 'sensors' binary!")
else
$blacklist = Array.new
$sensor_data = Hash.new
if !load_blacklist()
Facter.warn('load_blacklist() failed!')
end
if ! parse_sensor_data() || !has_sensor_data?
Facter.warn("parse_sensor_data() failed!")
else
Facter.debug("Result: #{$sensor_data}")
# what $sensor_data now actually contain can be handled like this:
#
#$sensor_data.each { |chip, sensors|
# sensors.each { |sensor, data|
# data.each { |key, value|
# }
# }
#}
$sensor_data
end
end
end
rescue LoadError => err
Facter.log_exception("Overall error ocurred: #{err}")
end
$sensors.dump
end
end
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