Author: nim

[K8s] Signals and the “kubectl delete” command

Posted on By nim No Comments on [K8s] Signals and the “kubectl delete” command
[K8s] Signals and the “kubectl delete” command

Copy at: https://www.acritelli.com/blog/kubectl-delete-sigkill/ Some colleagues and I were recently implementing a Chaos Monkey style test against a Kubernetes deployment. The goal was to forcibly kill an application to understand how it behaved. Specifically, we were looking to see if the application engaged in some atomic I/O operations that were safe, even if they ungracefully terminated while data…

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Kubernetes

[Terraform] Let’s look into For Function in terraform

Posted on By nim No Comments on [Terraform] Let’s look into For Function in terraform
[Terraform] Let’s look into For Function in terraform

1) traditional FOR in terraform Trong Terraform, for không được sử dụng như vòng lặp thông thường trong các ngôn ngữ lập trình như Python, Java, hoặc JavaScript. Thay vào đó, for trong Terraform được sử dụng chủ yếu để tạo ra các cấu trúc dữ liệu như danh sách hoặc từ điển từ các…

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Terraform

[K8s] Auto-Restarts your k8s apps on Config Changes with Reloader

Posted on By nim No Comments on [K8s] Auto-Restarts your k8s apps on Config Changes with Reloader
[K8s] Auto-Restarts your k8s apps on Config Changes with Reloader

Mình clone bài từ link này: https://www.linkedin.com/pulse/auto-restarts-your-k8s-apps-config-changes-reloader-cuong-nguyen-duc/?utm_source=share&utm_medium=member_android&utm_campaign=share_via Cá nhân mình thì thấy tool này vừa hay và vừa thừaNên thôi cứ lưu lại Keeping your applications up-to-date with the latest configuration changes can be challenging. Reloader, an open-source Kubernetes operator, detects changes to ConfigMaps and Secrets and automatically restarts your deployments to ensure a smooth…

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Kubernetes

[Terraform] Use “IF/ELSE” through the Merge function in Terraform

Posted on By nim No Comments on [Terraform] Use “IF/ELSE” through the Merge function in Terraform
[Terraform] Use “IF/ELSE” through the Merge function in Terraform

1) “IF/ELSE” with the Merge function From the code snippet you’ve provided, it seems like you’re working with Terraform to create an AWS EKS (Elastic Kubernetes Service) cluster along with various node groups, including an “extra” node group. You’ve mentioned that the extra node group is still created even though you’ve set the variable extra_node_group…

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Terraform

[Kubernetes] Monitor Persistent Volume usage in Kubernetes using Prometheus

Posted on By nim No Comments on [Kubernetes] Monitor Persistent Volume usage in Kubernetes using Prometheus
[Kubernetes] Monitor Persistent Volume usage in Kubernetes using Prometheus

Hôm nay thì mình muốn monitor usage của pv https://github.com/antonputra/tutorials/tree/main/lessons/134 What is the kubelet Yes, I know about the kubelet in Kubernetes (k8s). The kubelet is the primary “node agent” that runs on each node in a Kubernetes cluster. It can register the node with the apiserver using one of several methods: the hostname, a…

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Prometheus

[HPA] How does HPA scale down Pod on Kubernetes?

Posted on By nim No Comments on [HPA] How does HPA scale down Pod on Kubernetes?
[HPA] How does HPA scale down Pod on Kubernetes?

Bạn có thắc mặc HPA sẽ scale download như thế nào không? Here are some additional details on how the Horizontal Pod Autoscaler (HPA) handles pod terminations when scaling down: So in summary, the HPA adjusts replica counts, the pod controllers gracefully terminate pods to reach desired counts, using configurable delays and grace periods to…

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Kubernetes