View Source AWS.Route53RecoveryCluster (aws-elixir v1.0.4)
Welcome to the Routing Control (Recovery Cluster) API Reference Guide for Amazon Route 53 Application Recovery Controller.
With Route 53 ARC, you can use routing control with extreme reliability to recover applications by rerouting traffic across Availability Zones or Amazon Web Services Regions. Routing controls are simple on/off switches hosted on a highly available cluster in Route 53 ARC. A cluster provides a set of five redundant Regional endpoints against which you can run API calls to get or update the state of routing controls. To implement failover, you set one routing control to ON and another one to OFF, to reroute traffic from one Availability Zone or Amazon Web Services Region to another.
Be aware that you must specify a Regional endpoint for a cluster when you work
with API cluster operations
to get or update routing control states in Route 53 ARC. In addition, you must
specify the US West (Oregon) Region
for Route 53 ARC API calls. For example, use the parameter --region us-west-2
with AWS CLI commands.
For more information, see
Get and update routing control states using the
API
in the Amazon Route 53 Application Recovery Controller Developer Guide.
This API guide includes information about the API operations for how to get and update routing control states in Route 53 ARC. To work with routing control in Route 53 ARC, you must first create the required components (clusters, control panels, and routing controls) using the recovery cluster configuration API.
For more information about working with routing control in Route 53 ARC, see the following:
* Create clusters, control panels, and routing controls by using API operations. For more information, see the Recovery Control Configuration API Reference Guide for Amazon Route 53 Application Recovery Controller.
* Learn about the components in recovery control, including clusters, routing controls, and control panels, and how to work with Route 53 ARC in the Amazon Web Services console. For more information, see Recovery control components in the Amazon Route 53 Application Recovery Controller Developer Guide.
* Route 53 ARC also provides readiness checks that continually audit resources to help make sure that your applications are scaled and ready to handle failover traffic. For more information about the related API operations, see the Recovery Readiness API Reference Guide for Amazon Route 53 Application Recovery Controller.
* For more information about creating resilient applications and preparing for recovery readiness with Route 53 ARC, see the Amazon Route 53 Application Recovery Controller Developer Guide.
Link to this section Summary
Functions
Get the state for a routing control.
List routing control names and Amazon Resource Names (ARNs), as well as the routing control state for each routing control, along with the control panel name and control panel ARN for the routing controls.
Set the state of the routing control to reroute traffic.
Set multiple routing control states.
Link to this section Functions
Get the state for a routing control.
A routing control is a simple on/off switch that you can use to route traffic to cells. When a routing control state is set to ON, traffic flows to a cell. When the state is set to OFF, traffic does not flow.
Before you can create a routing control, you must first create a cluster, and then host the control in a control panel on the cluster. For more information, see Create routing control structures in the Amazon Route 53 Application Recovery Controller Developer Guide. You access one of the endpoints for the cluster to get or update the routing control state to redirect traffic for your application.
You must specify Regional endpoints when you work with API cluster operations to get or update routing control states in Route 53 ARC.
To see a code example for getting a routing control state, including accessing Regional cluster endpoints in sequence, see API examples in the Amazon Route 53 Application Recovery Controller Developer Guide.
Learn more about working with routing controls in the following topics in the Amazon Route 53 Application Recovery Controller Developer Guide:
*
Viewing and updating routing control states
*
List routing control names and Amazon Resource Names (ARNs), as well as the routing control state for each routing control, along with the control panel name and control panel ARN for the routing controls.
If you specify a control panel ARN, this call lists the routing controls in the control panel. Otherwise, it lists all the routing controls in the cluster.
A routing control is a simple on/off switch in Route 53 ARC that you can use to route traffic to cells. When a routing control state is set to ON, traffic flows to a cell. When the state is set to OFF, traffic does not flow.
Before you can create a routing control, you must first create a cluster, and then host the control in a control panel on the cluster. For more information, see Create routing control structures in the Amazon Route 53 Application Recovery Controller Developer Guide. You access one of the endpoints for the cluster to get or update the routing control state to redirect traffic for your application.
You must specify Regional endpoints when you work with API cluster operations to use this API operation to list routing controls in Route 53 ARC.
Learn more about working with routing controls in the following topics in the Amazon Route 53 Application Recovery Controller Developer Guide:
*
Viewing and updating routing control states
*
Set the state of the routing control to reroute traffic.
You can set the value to ON or OFF. When the state is ON, traffic flows to a cell. When the state is OFF, traffic does not flow.
With Route 53 ARC, you can add safety rules for routing controls, which are safeguards for routing control state updates that help prevent unexpected outcomes, like fail open traffic routing. However, there are scenarios when you might want to bypass the routing control safeguards that are enforced with safety rules that you've configured. For example, you might want to fail over quickly for disaster recovery, and one or more safety rules might be unexpectedly preventing you from updating a routing control state to reroute traffic. In a "break glass" scenario like this, you can override one or more safety rules to change a routing control state and fail over your application.
The SafetyRulesToOverride property enables you override one or more safety
rules and
update routing control states. For more information, see
Override safety rules to reroute
traffic
in the Amazon Route 53 Application Recovery Controller Developer Guide.
You must specify Regional endpoints when you work with API cluster operations to get or update routing control states in Route 53 ARC.
To see a code example for getting a routing control state, including accessing Regional cluster endpoints in sequence, see API examples in the Amazon Route 53 Application Recovery Controller Developer Guide.
*
Viewing and updating routing control states
*
Set multiple routing control states.
You can set the value for each state to be ON or OFF. When the state is ON, traffic flows to a cell. When it's OFF, traffic does not flow.
With Route 53 ARC, you can add safety rules for routing controls, which are safeguards for routing control state updates that help prevent unexpected outcomes, like fail open traffic routing. However, there are scenarios when you might want to bypass the routing control safeguards that are enforced with safety rules that you've configured. For example, you might want to fail over quickly for disaster recovery, and one or more safety rules might be unexpectedly preventing you from updating a routing control state to reroute traffic. In a "break glass" scenario like this, you can override one or more safety rules to change a routing control state and fail over your application.
The SafetyRulesToOverride property enables you override one or more safety
rules and
update routing control states. For more information, see
Override safety rules to reroute
traffic
in the Amazon Route 53 Application Recovery Controller Developer Guide.
You must specify Regional endpoints when you work with API cluster operations to get or update routing control states in Route 53 ARC.
To see a code example for getting a routing control state, including accessing Regional cluster endpoints in sequence, see API examples in the Amazon Route 53 Application Recovery Controller Developer Guide.
*
Viewing and updating routing control states
*