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#!/usr/bin/ruby1.8
require 'net/http'
require 'net/https'
require 'uri'
class HTTPTest
#
# Data passed from the JSON hash.
#
attr_reader :test_data
#
# The HTTP status, the HTTP response body, and the error text
# we return on failure.
#
attr_reader :status, :body, :error
#
# Save the data away.
#
def initialize( data )
@test_data = data
@error = nil
#
# Ensure we have an URL
#
if ( @test_data["target_host"].nil? )
@error = "Missing URL for the test."
raise ArgumentError, @error
end
#
# Ensure we have a port
#
if ( @test_data["test_port"].nil? )
@error = "Missing port for the test."
raise ArgumentError, @error
end
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
#
# Reset state from previous test.
#
@error = nil
#
# Do the fetch, if this success then we'll have the
# @status + @text setup
#
if ( getURL(@test_data["target_host"], @test_data["timeout"] ) )
#
# Do we need to test for a HTTP status code?
#
if ( @test_data["http_status"] )
puts "Testing for HTTP status code: #{@test_data['http_status']}" if ( @test_data['verbose'] )
if ( @status != @test_data['http_status'].to_i)
@error = "#{@error} status code was #{@status} not #{@test_data['http_status']}"
end
end
#
# Do we need to search for text in the body of the reply?
#
if ( @test_data['http_text'] )
puts "Testing for text in the response: '#{@test_data['http_text']}'" if ( @test_data['verbose'] )
if (! @body.match(/#{@test_data['http_text']}/i) )
@error = "#{@error} The response did not contain our expected text '#{test_data['http_text']}'"
end
end
return true if ( @error.nil? )
return false
end
return false
end
#
# Return the error text for why this test failed.
#
def error
return @error
end
#
# Retrieve a HTTP page from the web.
#
# NOTE: This came from sentinel.
def getURL (uri_str, timeout)
begin
uri_str = 'http://' + uri_str unless uri_str.match(/^http/)
url = URI.parse(uri_str)
http = Net::HTTP.new(url.host, url.port)
http.open_timeout = timeout
http.read_timeout = timeout
if (url.scheme == "https")
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
end
response = nil
#
# Ensure we have a trailing "/"
#
if ( url.path.empty? )
url.path = "/"
end
if nil == url.query
response = http.start { http.get(url.path) }
else
response = http.start { http.get("#{url.path}?#{url.query}") }
end
case response
when Net::HTTPRedirection
then
newURL = response['location'].match(/^http/)?
response['Location']:uri_str+response['Location']
return( getURL(newURL, timeout) )
else
@status = response.code.to_i
@body = response.body
end
return true
rescue Errno::EHOSTUNREACH => ex
@error = "no route to host"
return false
rescue Timeout::Error => ex
@error = "time out reached"
return false
rescue Errno::ECONNREFUSED => ex
@error = "Connection refused"
return false
rescue => ex
@error = ex
return false
end
@error = "Misc failure"
return false
end
end
#
# Sample test, for testing.
#
if __FILE__ == $0 then
#
# Sample data.
#
test = {
"target_host" => "http://collector2.sh.bytemark.co.uk/",
"test_type" => "http",
"verbose" => 1,
"timeout" => 3,
"test_port" => 80,
"test_alert" => "Collector is unavailable",
"http_status" => "200"
}
#
# Run the test.
#
http = HTTPTest.new( test )
if ( http.run_test )
puts "TEST OK"
else
puts "TEST FAILED"
puts http.error()
end
end
|
