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require "active_support/core_ext/string"
class AwsEc2::Create
module ErrorMessages
def handle_ec2_service_error!(exception)
meth = map_exception_to_method(exception)
if respond_to?(meth)
message = send(meth) # custom specific error message
message = print_error_message(exception, message)
else
# generic error message
print_error_message(exception, <<-EOL)
There was an error with the parameters used for the run_instance method.
EOL
end
end
# Examples:
# Aws::EC2::Errors::InvalidGroupNotFound => invalid_group_not_found!
# Aws::EC2::Errors::InvalidParameterCombination => invalid_parameter_combination!
def map_exception_to_method(exception)
class_name = File.basename(exception.class.to_s).sub(/.*::/,'')
class_name.underscore # method_name
end
def print_error_message(exception, message)
puts "ERROR: Unable to launch the instance.".colorize(:red)
puts message
puts exception.message
puts "For the full internal backtrace re-run the command with DEBUG=1"
puts exception.backtrace if ENV['DEBUG']
exit 1
end
#######################################################
# specific messages with a little more info for more common error cases below:
def invalid_group_not_found
<<-EOL
The security group passed in does not exit.
Please double check that security group exists in the VPC.
EOL
end
def invalid_parameter_combination
<<-EOL
The parameters passed to the run_instances method were invalid.
Please double check that the parameters are all valid.
EOL
end
def invalid_subnet_id_not_found
<<-EOL
The provided subnets ids were were not found.
Please double check that the subnets exists.
EOL
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems