def create_finalized_configuration(eb_environment_name):
# requires an rds server has been created for the environment.
# FLASK_SECRET_KEY
# S3_BUCKET
finalized_cred_path = get_finalized_credentials_file_path(
eb_environment_name)
if os.path.exists(finalized_cred_path):
log.error("Encountered a finalized configuration file at %s." %
finalized_cred_path)
log.error(
"This file contains autogenerated parameters which must be identical between "
"data processing servers and the Elastic Beanstalk frontend servers. This file "
"should not exist at this time, so the deployment process has been aborted."
)
EXIT(1)
config = validate_beiwe_environment_config(eb_environment_name)
config.update(get_full_db_credentials(eb_environment_name))
config['FLASK_SECRET_KEY'] = random_alphanumeric_string(80)
config["S3_BUCKET"] = create_data_bucket(eb_environment_name)
config.update(create_server_access_credentials(config["S3_BUCKET"]))
with open(finalized_cred_path, 'w') as f:
json.dump(config, f, indent=1)
return config
def create_data_bucket(eb_environment_name):
for i in range(10):
name = "beiwe-data-{}-{}".format(
eb_environment_name, random_alphanumeric_string(63))[:63].lower()
log.info("checking availability of bucket name '%s'" % name)
if check_bucket_name_available(name):
s3_create_bucket(name)
return name
raise Exception(
"Was not able to construct a bucket name that is not in use.")
def generate_valid_postgres_credentials():
""" Generates and prints credentials for database access. """
credentials = {
# 1 to 63 alphanumeric characters, first character must be a letter.
"RDS_USERNAME": random_alphanumeric_starting_with_letter(63),
# 8 to 128 characters, typeable characters, not /, ", or @
"RDS_PASSWORD": random_alphanumeric_string(128),
# 1 to 63 alphanumeric characters, begin with a letter
"RDS_DB_NAME": random_alphanumeric_starting_with_letter(63)
}
print "database username:"******"database password:"******"database name:", credentials['RDS_DB_NAME']
return credentials
def create_rabbit_mq_password_file(eb_environment_name):
with open(get_rabbit_mq_manager_ip_file_path(eb_environment_name),
'w') as f:
f.write(random_alphanumeric_string(20))
def create_rabbit_mq_password():
with open(RABBIT_MQ_PASSWORD_FILE, 'w') as f:
f.write(random_alphanumeric_string(20))
