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Hello.
Make sure the ECR repository policy allows ECS tasks to pull the image. This often is a simple oversight.
Ensure that your private subnets have routes pointing to the VPC Endpoints. For Gateway Endpoints (like S3), it's an explicit route in the route table. For Interface Endpoints, it's implicit and does not appear in the route table, but ensuring connectivity to these endpoints is essential.
Ensure that 'Enable DNS Resolution' is set to 'Yes' in your VPC settings. This is critical for the private DNS associated with the VPC Endpoints to resolve correctly.
Regards, Andrii
Thanks a lot for the response. I can confirm that my ECS task has the ability to pull as the execution role has
ecr:*
,s3:*
and also the exact ECS configuration is able to pull and run an image from ECR if I launch ECS on a public subnet (that has an Internet Gateway). I also confirmed that DNS Resolution is set to yes on all interface gateways and my VPC. Unfortunately none of this helped. I'm also a bit confused why the issue seems to reference "memory".
The issue was with the routes applied to my s3 gateway endpoint.
The solution was to add the VPC default route table to the route tables configured on the endpoint. I believe this is required to allow connectivity from the endpoint to the VPC.
Hi,
I'd suggest you to start an EC2 instance in your VPC with docker installed on it and try a docker pull for your container from this instance (to which you connect via ssh / InstanceConnect). Then, you should be able to more easily figure out what's going and test routing + connectivity to the ECR.
Best,
Didier
Thanks for the suggestion, however I figured out the issue was that I wasn't adding the route table for the default vpc to the endpoint I created. It's still a pretty obscure error for this problem in AWS, but this is what fixed it.
I have the same issue the only difference is I don't have s3 endpoint in place(It is not needed in my case). I tried your suggestion but I can't get any error. I can pull the image and run it in ec2 instances. Any help or suggestion would be appreciated
I have the same issue, I can confirm that the image is working fine with ec2 instances and my local. I'm not sure why it addressed memory though.
Error:
CannotPullContainerError: containerd: pull command failed: panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x1369f41] goroutine 1 [running]: main.(*puller).pullWithClient(0xc0006e5bc0, {0x18dc8a0, 0xc00069e6c0}, {0x18d6988, 0xc0003de000}, 0xc000388ea0, {0x18d6938, 0xc000419820}) /root/go/src/github.com/aws/two/puller/pull.go:198 +0x501 main.(*puller).Pull(0xc0006e5bc0, {0x18dc8a0, 0xc000397d10}, 0xc000388ea0, {0x18d6938, 0xc000419820}) /root/go/src/github.com/aws/two/puller/pull.go:147 +0x2a7 main.(*puller).pullImage(0x18dc8a0?, {0x18dc8a0, 0xc000397d10}, 0xc000388ea0, {0x18d6938?, 0xc000419820?}) /root/go/src/github.com/aws/two/puller/pull.go:350 +0x47 main.main() /root/go/src/github.com/aws/two/puller/main.go:75 +0x587 : exit status 2
May be useful for new comers:
It's a network block indeed. In my case, a wrong input of VPC Endpoint prefix ID results in a block set in security group, which stops pulling from ECR. After fix the prefix ID, everything is all right.
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Can you confirm your "IMAGE" is correctly defined in your Task Def