[Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus

Posted on By nim No Comments on [Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus
[Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus

There are a few options to filter or allowlist metrics before they are sent to the remote storage via remote_write in Prometheus: 1. Use metric relabeling You can configure relabelling rules on the remote_write config to filter or transform metrics before they are sent. For example: with metrics: my_metric_http{status_code=200, cluster=nim] 100my_metric_http{status_code=500, cluster=nim] 100k8s_metric_memory{container=web, cluster=nim] 100…

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Prometheus

How to join labels of 2 different metrics on PromQL

Posted on By nim No Comments on How to join labels of 2 different metrics on PromQL
How to join labels of 2 different metrics on PromQL

Look into the situation Đầu tiên chúng ta có 2 metric labels như sau: Metrics and Labels: Look into kube_pod_container_info metrics. With kube_pod_container_info Look into windows_container_cpu_usage_seconds_kernelmode windows_container_cpu_usage_seconds_kernelmode thì có container_id, nhưng lại không có namespace, pod, container==> Bằng mắt: thì chúng ta không thể nào nhận biết được CPU usage này của container nào. Từ…

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Prometheus

[Python] Look into FastAPI to contribute backend by Python

Posted on By nim No Comments on [Python] Look into FastAPI to contribute backend by Python
[Python] Look into FastAPI to contribute backend by Python

1) Define Function in Python. Sau đây chúng ta define 1 function trong python. Trong đoạn mã Python trên, hàm my_func có một đối số có tên là my_var có kiểu dữ liệu được ghi là str | None. Đây là kiểu gợi ý cho Python biết đối số my_var có thể là một chuỗi…

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Python

[DevSecOps] Use CrowdSec to detect the malicious behaviors in your system.

Posted on By nim No Comments on [DevSecOps] Use CrowdSec to detect the malicious behaviors in your system.
[DevSecOps] Use CrowdSec to detect the malicious behaviors in your system.

CrowdSec là một giải pháp mã nguồn mở được thiết kế để bảo vệ máy chủ và ứng dụng của bạn khỏi các cuộc tấn công độc hại. Nó hoạt động dựa trên cơ chế phát hiện và cấm IP dựa trên hành vi độc hại và sau đó chia sẻ các địa chỉ IP…

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DevSecOps

[Windows Docker] How to run the Windows Container on Local.

Posted on By nim No Comments on [Windows Docker] How to run the Windows Container on Local.
[Windows Docker] How to run the Windows Container on Local.

Your Docker host is configured to run Linux containers inside of a VM. To run Windows containers, you need to right click on the Docker icon in the system tray, and select “Switch to Windows containers…” in the Docker menu. This option is not available in “Home” versions of Windows. Documentation is available here.

Docker

[ArgoCD] Failed to wait for service account secret: timed out waiting for the condition

Posted on By nim No Comments on [ArgoCD] Failed to wait for service account secret: timed out waiting for the condition
[ArgoCD] Failed to wait for service account secret: timed out waiting for the condition

Nếu bạn gặp lỗi: FATA[0033] Failed to wait for service account secret: timed out waiting for the condition Đây là cách giải quết:https://github.com/argoproj/argo-cd/issues/9422 Just want to share my (hacky) work around on this. With that, to fix this by the ‘short term solution’, we may need to not only create a service account token Secret,…

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ArgoCD

[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