Dual stack ECS Client

amogh09 · amogh09 · commit 0c55bb5f5f45 · 2025-05-27T17:50:30.000Z
diff --git a/agent/app/agent.go b/agent/app/agent.go
@@ -328,6 +328,9 @@ 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
`@@ -328,6 +328,9 @@ func (agent *ecsAgent) start() int {`
`328`	`328`
`329`	`329`	`// Exclusion of IPv6 port bindings is controlled by configuration for historical reasons.`
`330`	`330`	`ecsclient.WithIPv6PortBindingExcluded(agent.cfg.ShouldExcludeIPv6PortBinding.Enabled()),`
	`331`	`+`
	`332`	`+ // If instance is IPv6-only then we must use dualstack ECS endpoints`
	`333`	`+ ecsclient.WithDualStackEnabled(agent.cfg.InstanceIPCompatibility.IsIPv6Only()),`
`331`	`334`	`}`
`332`	`335`
`333`	`336`	`clientFactory := ecsclient.NewECSClientFactory(agent.credentialsCache, cfgAccessor, agent.ec2MetadataClient,`