import sys
import six
import boto.s3.connection

#------------------------------------------------------------------------------
HOST_S3 = 'ss3.scayle.es'
PORT_S3 = 443

#########################################################################################################
# PROGRAM
#########################################################################################################
global conn

# -----------------------  BASE 64 ENCODE -------------- 
def message_error():
      # Access to OpenCayle service is wrong 
      print ("The connection to OpenCayle service is not possible.")
      print ("Please, check the following issues to solve it before connect to Scayle:")
      print ("1) You have internet access")
      print ("2) Your internet access is not through a VPN")
      print ("3) When you generate the access key the USERID and PASSWORD were correct")
      print ("4) Your IP internet address is available on OpenCayle service")


# -----------------------------  PARAMETERS EVALUATION -----------------------------
if len(sys.argv) >= 2:
        accessKey = str(sys.argv[1])
else:
        print ("USE: python s3CheckConnection.py '<AccessKey>' ")
        sys.exit(-1)
# Verification access to OpenCayle service wiht the generated accessKey

try:
      conn = boto.connect_s3(
        aws_access_key_id=accessKey,
        aws_secret_access_key=accessKey,
        host=HOST_S3,
        port=PORT_S3,
        is_secure=True,
        calling_format=boto.s3.connection.OrdinaryCallingFormat(),
      )
except:
      message_error()
      sys.exit(-2)

try:
     for bucket in conn.get_all_buckets():
        exit
except:
     message_error()
     sys.exit(-3)
      
print ("Your accessKey connects successfully to OpenCayle")
sys.exit(0)