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Table: aws_service_discovery_instance
In AWS, Service Discovery Instance refers to a resource that represents an individual instance of a service within a service discovery namespace.
AWS Service Discovery is a managed service that makes it easy to discover and locate services within your infrastructure. It enables automatic registration and DNS-based service discovery for microservices running on AWS.
By registering service instances with AWS Service Discovery, you can easily discover and access those instances using the DNS name associated with the service. This simplifies the process of locating and communicating with services within a distributed architecture, particularly in a dynamic and scalable environment.
Examples
Basic info
select id, service_id, ec2_instance_id, attributesfrom aws_service_discovery_instance;
List instances that are unhealthy
select id, service_id, init_health_statusfrom aws_service_discovery_instancewhere init_health_status = 'UNHEALTHY';
Count instances by service
select service_id, count(id)from aws_service_discovery_instancegroup by service_id;
Get service details of each instance
select i.id, i.service_id, s.name as service_name, s.create_date as service_create_date, s.namespace_id, s.typefrom aws_service_discovery_instance as i, aws_service_discovery_service as swhere s.id = i.service_id;
Get EC2 instance details of each service discovery instance
select i.id, i.service_id, i.ec2_instance_id, ei.instance_type, ei.instance_state, ei.launch_timefrom aws_service_discovery_instance as i, aws_ec2_instance as eiwhere i.ec2_instance_id is not null and ei.instance_id = i.ec2_instance_id;
Get the IP address configuration of service discovery instances
select id, service_id, ec2_instance_id, instance_ipv4, instance_ipv6, instance_portfrom aws_service_discovery_instance;
.inspect aws_service_discovery_instance
AWS Service Discovery Instance
Name | Type | Description |
---|---|---|
_ctx | jsonb | Steampipe context in JSON form, e.g. connection_name. |
account_id | text | The AWS Account ID in which the resource is located. |
alias_dns_name | text | For an alias record that routes traffic to an Elastic Load Balancing load balancer, the DNS name that's associated with the load balancer. |
attributes | jsonb | Attributes of the instance. |
ec2_instance_id | text | The Amazon EC2 instance ID for the instance. When the AWS_EC2_INSTANCE_ID attribute is specified, then the AWS_INSTANCE_IPV4 attribute contains the primary private IPv4 address. |
id | text | The ID of the instance. |
init_health_status | text | 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. |
instance_cname | text | A CNAME record, the domain name that Route 53 returns in response to DNS queries (for example, example.com ). |
instance_ipv4 | inet | For an A record, the IPv4 address that Route 53 returns in response to DNS queries. |
instance_ipv6 | inet | For an AAAA record, the IPv6 address that Route 53 returns in response to DNS queries. |
instance_port | bigint | For an SRV record, the value that Route 53 returns for the port. In addition, if the service includes HealthCheckConfig, the port on the endpoint that Route 53 sends requests to. |
partition | text | The AWS partition in which the resource is located (aws, aws-cn, or aws-us-gov). |
region | text | The AWS Region in which the resource is located. |
service_id | text | The ID of the service. |
title | text | Title of the resource. |