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#!/usr/bin/ruby
require 'socket'
require 'timeout'
#
# Test that we can receive a response from an rsync server that looks
# reasonable.
#
class RSYNCTest
#
# Data passed from the JSON hash.
#
attr_reader :test_data
#
# The error text we return on failure.
#
attr_reader :error
#
# Save the data away.
#
def initialize( data )
@test_data = data
end
#
# Run the test.
#
# Return "true" on success
#
# Return "false" on failure.
#
# If the test fails the details should be retrieved from "error()".
#
def run_test
@error = ""
#
# Get the hostname & port to test against.
#
host = @test_data['target_host']
port = 873
puts "rsync testing host #{host}:#{port}" if ( @test_data['verbose'] )
begin
timeout(3) do
begin
socket = TCPSocket.new( host, port )
socket.puts( "QUIT")
banner = socket.gets(nil)
banner = banner[0,20]
socket.close()
if ( banner =~ /rsyncd/i )
puts "rsync alive: #{banner}" if ( @test_data['verbose'] )
return true
else
@error = "Banner didn't seem reasonable: #{banner}"
return false;
end
rescue
@error = "rsync exception on host #{host}:#{port} - #{$!}"
return false
end
end
rescue Timeout::Error => e
@error = "TIMEOUT: #{e}"
return false
end
@error = "Misc failure"
return false
end
#
# Return the error text for why this test failed.
#
def error
return @error
end
end
#
# Sample test, for testing.
#
if __FILE__ == $0 then
#
# Sample data.
#
test = {
"target_host" => "upload.ns.bytemark.co.uk",
"test_type" => "rsync",
"verbose" => 1,
"test_alert" => "DNS upload service failure",
}
#
# Run the test.
#
obj = RSYNCTest.new( test )
if ( obj.run_test )
puts "TEST OK"
else
puts "TEST FAILED"
puts obj.error()
end
end
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