/usr/lib/one/ruby/scripts_common.rb is in opennebula 3.4.1-4.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org) #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); you may #
# not use this file except in compliance with the License. You may obtain #
# a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
#--------------------------------------------------------------------------- #
module OpenNebula
# Generic log function
def self.log_function(severity, message)
STDERR.puts "#{severity}: #{File.basename $0}: #{message}"
end
# Logs an info message
def self.log_info(message)
log_function("INFO", message)
end
# Logs an error message
def self.log_error(message)
log_function("ERROR", message)
end
# Logs a debug message
def self.log_debug(message)
log_function("DEBUG", message)
end
# Alias log to log_info in the singleton class
class << self
alias :log :log_info
end
# This function is used to pass error message to the mad
def self.error_message(message)
STDERR.puts format_error_message(message)
end
#This function formats an error message for OpenNebula
def self.format_error_message(message)
error_str = "ERROR MESSAGE --8<------\n"
error_str << message
error_str << "\nERROR MESSAGE ------>8--"
return error_str
end
# Executes a command, if it fails returns error message and exits
# If a second parameter is present it is used as the error message when
# the command fails
def self.exec_and_log(command, message=nil)
output=`#{command} 2>&1 1>/dev/null`
code=$?.exitstatus
if code!=0
log_error "Command \"#{command}\" failed."
log_error output
if !message
error_message output
else
error_message message
end
exit code
end
log "Executed \"#{command}\"."
end
end
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