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-rw-r--r--lib/custodian/util/bytemark.rb43
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diff --git a/lib/custodian/util/bytemark.rb b/lib/custodian/util/bytemark.rb
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+++ b/lib/custodian/util/bytemark.rb
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+
+
+require 'ipaddr'
+
+
+
+#
+# This class contains some Bytemark-specific tests/code.
+#
+module Custodian
+
+ module Util
+
+ class Bytemark
+
+
+ #
+ # The currently allocated IP-ranges which belong to Bytemark.
+ #
+ # These are used to test if an alert refers to a machine outwith our
+ # network.
+ #
+ BYTEMARK_RANGES = %w(80.68.80.0/20 89.16.160.0/19 212.110.160.0/19 46.43.0.0/18 91.223.58.0/24 213.138.96.0/19 5.153.224.0/21 2001:41c8::/32).collect{|i| IPAddr.new(i)}
+
+
+ #
+ # Is the named target inside the Bytemark IP-range?
+ #
+ def Bytemark.inside?( target )
+ inside = false
+
+ if ( BYTEMARK_RANGES.any?{|range| range.include?(IPAddr.new(target))} )
+ inside = true
+ end
+
+ inside
+ end
+
+
+
+ end
+ end
+end