A string map that contains the following information for the service that you specify in ServiceId
:
The attributes that apply to the records that are defined in the service.
For each attribute, the applicable value.
Supported attribute keys include the following:
AWS_ALIAS_DNS_NAME
If you want AWS Cloud Map to create an Amazon Route 53 alias record that routes traffic to an Elastic Load Balancing load balancer, specify the DNS name that is associated with the load balancer. For information about how to get the DNS name, see \"DNSName\" in the topic AliasTarget in the Route 53 API Reference.
Note the following:
The configuration for the service that is specified by ServiceId
must include settings for an A
record, an AAAA
record, or both.
In the service that is specified by ServiceId
, the value of RoutingPolicy
must be WEIGHTED
.
If the service that is specified by ServiceId
includes HealthCheckConfig
settings, AWS Cloud Map will create the Route 53 health check, but it won\'t associate the health check with the alias record.
Auto naming currently doesn\'t support creating alias records that route traffic to AWS resources other than Elastic Load Balancing load balancers.
If you specify a value for AWS_ALIAS_DNS_NAME
, don\'t specify values for any of the AWS_INSTANCE
attributes.
AWS_EC2_INSTANCE_ID
HTTP namespaces only. The Amazon EC2 instance ID for the instance. If the AWS_EC2_INSTANCE_ID
attribute is specified, then the only other attribute that can be specified is AWS_INIT_HEALTH_STATUS
. When the AWS_EC2_INSTANCE_ID
attribute is specified, then the AWS_INSTANCE_IPV4
attribute will be filled out with the primary private IPv4 address.
AWS_INIT_HEALTH_STATUS
If the service configuration includes HealthCheckCustomConfig
, you can optionally use AWS_INIT_HEALTH_STATUS
to specify the initial status of the custom health check, HEALTHY
or UNHEALTHY
. If you don\'t specify a value for AWS_INIT_HEALTH_STATUS
, the initial status is HEALTHY
.
AWS_INSTANCE_CNAME
If the service configuration includes a CNAME
record, the domain name that you want Route 53 to return in response to DNS queries, for example, example.com
.
This value is required if the service specified by ServiceId
includes settings for an CNAME
record.
AWS_INSTANCE_IPV4
If the service configuration includes an A
record, the IPv4 address that you want Route 53 to return in response to DNS queries, for example, 192.0.2.44
.
This value is required if the service specified by ServiceId
includes settings for an A
record. If the service includes settings for an SRV
record, you must specify a value for AWS_INSTANCE_IPV4
, AWS_INSTANCE_IPV6
, or both.
AWS_INSTANCE_IPV6
If the service configuration includes an AAAA
record, the IPv6 address that you want Route 53 to return in response to DNS queries, for example, 2001:0db8:85a3:0000:0000:abcd:0001:2345
.
This value is required if the service specified by ServiceId
includes settings for an AAAA
record. If the service includes settings for an SRV
record, you must specify a value for AWS_INSTANCE_IPV4
, AWS_INSTANCE_IPV6
, or both.
AWS_INSTANCE_PORT
If the service includes an SRV
record, the value that you want Route 53 to return for the port.
If the service includes HealthCheckConfig
, the port on the endpoint that you want Route 53 to send requests to.
This value is required if you specified settings for an SRV
record or a Route 53 health check when you created the service.
Custom attributes
You can add up to 30 custom attributes. For each key-value pair, the maximum length of the attribute name is 255 characters, and the maximum length of the attribute value is 1,024 characters. The total size of all provided attributes (sum of all keys and values) must not exceed 5,000 characters.
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