def delete_health_check(self, health_check_id):
"""
:return:
"""
route53 = modules.route53.Route53()
route53.delete_health_check(health_check_id)
def ec2_terminate_event(ec2_instance_id):
"""
When an ec2 instance is terminated, the DNS record and health check for this server is removed
"""
# config
settings = configparser.ConfigParser()
settings.read('config.ini')
logging.info("Event: ec2_termination_event")
logging.info("Working on ec2-instance id: " + ec2_instance_id)
logging.info("Using route53 hosted zone id: " +
settings.get('route53', 'hosted_zone'))
logging.info("Domain name: " + settings.get('route53', 'domain_name'))
# Get the DNS name to a simple or weighted
dns_name = ''
if settings.get('dns_record_type', 'type') == 'simple':
dns_name = ec2_instance_id + '.' + settings.get(
'route53', 'domain_name')
elif settings.get('dns_record_type', 'type') == 'weighted':
dns_name = settings.get('dns_record_type',
'dns_name') + '.' + settings.get(
'route53', 'domain_name')
# init route53 object
route53 = modules.route53.Route53()
route53.set_hosted_zone_id(settings.get('route53', 'hosted_zone'))
health_check_id = route53.get_health_check_by_tag('instance-id',
ec2_instance_id)
instance_public_ip = route53.get_health_check_tag_value(
ec2_instance_id, 'instance-public-ip')
# Delete DNS record
resource_record_set_dict = {
'Name': dns_name,
'Type': settings.get('dns_record_set', 'type'),
'SetIdentifier': ec2_instance_id,
'Weight': int(settings.get('dns_record_set', 'Weight')),
'TTL': int(settings.get('dns_record_set', 'TTL')),
'ResourceRecords': [
{
'Value': instance_public_ip
},
],
'HealthCheckId': health_check_id
}
logging.debug(resource_record_set_dict)
try:
response_delete_resource_record_sets = route53.create_resource_record_sets(
'DELETE', resource_record_set_dict, '')
logging.debug(response_delete_resource_record_sets)
except:
logging.info("Unable to delete the record set")
logging.info(resource_record_set_dict)
# Search for health check via tag
searched_health_check_id = route53.get_health_check_by_tag(
'instance-id', ec2_instance_id)
# Delete health check
try:
delete_response = route53.delete_health_check(searched_health_check_id)
except:
logging.info("Unable to delete the health check")
def ec2_terminate_event(ec2_instance_id):
"""
When an ec2 instance is terminated, the DNS record and health check for this server is removed
"""
# config
settings = configparser.ConfigParser()
settings.read('config.ini')
logging.info("Event: ec2_termination_event")
logging.info("Working on ec2-instance id: "+ec2_instance_id)
logging.info("Using route53 hosted zone id: "+settings.get('route53', 'hosted_zone'))
logging.info("Domain name: "+settings.get('route53', 'domain_name'))
# Get the DNS name to a simple or weighted
dns_name = ''
if settings.get('dns_record_type', 'type') == 'simple':
dns_name = ec2_instance_id+'.'+settings.get('route53', 'domain_name')
elif settings.get('dns_record_type', 'type') == 'weighted':
dns_name = settings.get('dns_record_type', 'dns_name')+'.'+settings.get('route53', 'domain_name')
# init route53 object
route53 = modules.route53.Route53()
route53.set_hosted_zone_id(settings.get('route53', 'hosted_zone'))
health_check_id = route53.get_health_check_by_tag('instance-id', ec2_instance_id)
instance_public_ip = route53.get_health_check_tag_value(ec2_instance_id, 'instance-public-ip')
# Delete DNS record
resource_record_set_dict = {
'Name': dns_name,
'Type': settings.get('dns_record_set', 'type'),
'SetIdentifier': ec2_instance_id,
'Weight': int(settings.get('dns_record_set', 'Weight')),
'TTL': int(settings.get('dns_record_set', 'TTL')),
'ResourceRecords': [
{
'Value': instance_public_ip
},
],
'HealthCheckId': health_check_id
}
logging.debug(resource_record_set_dict)
try:
response_delete_resource_record_sets = route53.create_resource_record_sets('DELETE', resource_record_set_dict, '')
logging.debug(response_delete_resource_record_sets)
except:
logging.info("Unable to delete the record set")
logging.info(resource_record_set_dict)
# Search for health check via tag
searched_health_check_id = route53.get_health_check_by_tag('instance-id', ec2_instance_id)
# Delete health check
try:
delete_response = route53.delete_health_check(searched_health_check_id)
except:
logging.info("Unable to delete the health check")
