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chore(aws): open your eyes to specialized amis

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Michele Cereda
2024-10-27 13:22:48 +01:00
parent 5ad4fd9f45
commit b83473d374
2 changed files with 15 additions and 6 deletions
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5
knowledge base/cloud computing/aws/ec2.md
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@@ -25,6 +25,9 @@ Clone EC2 instances by:
[to guarantee the image's filesystem integrity][create an ami from an amazon ec2 instance].
1. Using that AMI to launch clones identical to the original.
Consider using specialized AMIs for specialized purposes.<br/>
E.g., [using AL2023 based Amazon ECS AMIs to host containerized workloads].
<details>
<summary>Real world use cases</summary>
@@ -174,6 +177,7 @@ TODO
- [Unlimited mode for burstable performance instances]
- [Standard mode for burstable performance instances]
- [Configuring EC2 Disk alert using Amazon CloudWatch]
- [Using AL2023 based Amazon ECS AMIs to host containerized workloads]
### Sources
@@ -221,6 +225,7 @@ TODO
[retrieve instance metadata]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html
[standard mode for burstable performance instances]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/burstable-performance-instances-standard-mode.html
[unlimited mode for burstable performance instances]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/burstable-performance-instances-unlimited-mode.html
[using al2023 based amazon ecs amis to host containerized workloads]: https://docs.aws.amazon.com/linux/al2023/ug/ecs.html
[using instance profiles]: https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2_instance-profiles.html
<!-- Others -->

16
knowledge base/gitlab/runner.md
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@@ -184,10 +184,12 @@ Idle instances stay available for at least 20 minutes.
Requirements:
- An EC2 instance with Docker Engine to act as manager.
- A Launch Template referencing an AMI equipped with Docker Engine for the runners to use.
- A Launch Template referencing an AMI equipped with Docker Engine for the runners to use.<br/>
Suggested to use [AL2023 based Amazon ECS AMIs][using al2023 based amazon ecs amis to host containerized workloads] or
custom ones.
Alternatively, any AMI that can run Docker Engine can be used as long as an appropriate cloud-init configuration is
provided in the template's `userData`.
Any AMI that can run Docker Engine can be used as-is, as long as an _appropriate_ cloud-init configuration is provided
in the LT's `userData` field.
<details style="margin-top: -1em; padding-bottom: 1em;">
@@ -201,11 +203,11 @@ Requirements:
</details>
In this case, and specially if the cloud-init process takes long, instances might be considered ready by the ASG but
jobs might fail if the Docker Engine is not installed and configured properly before they are assigned to the
In this last case, and specially if the cloud-init process takes long, instances might be considered ready by the ASG,
but jobs might fail if the Docker Engine is not installed and configured properly before they are assigned to the
instances.<br/>
Consider creating a new AMI with everything ready for the LT to use, or set up a lifecycle hook in the ASG to give
instances time to finish preparations before being considered ready by the ASG.
instances time to finish preparations before being considered ready.
- An AutoScaling Group with the following setting:
- Minimum capacity = 0.
@@ -833,6 +835,7 @@ Improvements:
- Gitlab's [gitlab-runner-operator] for OpenShift and Kubernetes
- [Docker Machine Executor autoscale configuration]
- [Fleeting]
- [Using AL2023 based Amazon ECS AMIs to host containerized workloads]
### Sources
@@ -879,3 +882,4 @@ Improvements:
[authenticating your gitlab ci runner to an aws ecr registry using amazon ecr docker credential helper]: https://faun.pub/authenticating-your-gitlab-ci-runner-to-an-aws-ecr-registry-using-amazon-ecr-docker-credential-b4604a9391eb
[aws driver does not support multiple non default subnets]: https://github.com/docker/machine/issues/4700
[amazon ecr docker credential helper]: https://github.com/awslabs/amazon-ecr-credential-helper
[using al2023 based amazon ecs amis to host containerized workloads]: https://docs.aws.amazon.com/linux/al2023/ug/ecs.html