Enable dual stack endpoint usage on ECS Client if needed (aws#4652)

amogh09 · xxx0624 · commit df2f6d0abd34 · 2025-05-28T21:38:36.000Z
diff --git a/agent/app/agent.go b/agent/app/agent.go
@@ -332,6 +332,9 @@ func (agent *ecsAgent) start() int {
 
 		// Exclusion of IPv6 port bindings is controlled by configuration for historical reasons.
 		ecsclient.WithIPv6PortBindingExcluded(agent.cfg.ShouldExcludeIPv6PortBinding.Enabled()),
+
+		// If instance is IPv6-only then we must use dualstack ECS endpoints
+		ecsclient.WithDualStackEnabled(agent.cfg.InstanceIPCompatibility.IsIPv6Only()),
 	}
 
 	clientFactory := ecsclient.NewECSClientFactory(agent.credentialsCache, cfgAccessor, agent.ec2MetadataClient,

Original file line number	Diff line number	Diff line change
`@@ -332,6 +332,9 @@ func (agent *ecsAgent) start() int {`
`332`	`332`
`333`	`333`	`// Exclusion of IPv6 port bindings is controlled by configuration for historical reasons.`
`334`	`334`	`ecsclient.WithIPv6PortBindingExcluded(agent.cfg.ShouldExcludeIPv6PortBinding.Enabled()),`
	`335`	`+`
	`336`	`+ // If instance is IPv6-only then we must use dualstack ECS endpoints`
	`337`	`+ ecsclient.WithDualStackEnabled(agent.cfg.InstanceIPCompatibility.IsIPv6Only()),`
`335`	`338`	`}`
`336`	`339`
`337`	`340`	`clientFactory := ecsclient.NewECSClientFactory(agent.credentialsCache, cfgAccessor, agent.ec2MetadataClient,`