Month: April 2023

[Golang] Writing a metrics exporter through Golang and Prometheus

Posted on By nim No Comments on [Golang] Writing a metrics exporter through Golang and Prometheus

Ờ bài này mình muốn tìn hiểu làm sao có thể view page để expose các metrics theo ý mình và sử dụng cho prometheus Sau đây mình sẽ thực hiện write theo video. 1) Using Demo of Prometheus Client. Đầu tiên chúng ta sẽ expose default golang metrics. file: main.go Bạn start chúng lên….

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Golang

[DevSecOps] Dependency Check Basics and Vulnerabilities

Posted on By nim No Comments on [DevSecOps] Dependency Check Basics and Vulnerabilities

NVD: National Vulnerability Database Imagine NVD as the ultimate library of computer vulnerabilities. It’s like Wikipedia, but for all the bad stuff that can happen to your computer. If a hacker finds a way to mess with a system, the NVD is where you’ll find all the deets. CVE: Common Vulnerabilities and Exposures CVE is…

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CI/CD, DevSecOps

[Kubernetes] Discover Health Check on K8s

Posted on By nim No Comments on [Kubernetes] Discover Health Check on K8s

Readiness Readiness configuration in Kubernetes is used to determine if a container within a pod is ready to accept traffic or serve requests. It ensures that a container is fully initialized and capable of handling requests before being exposed to any incoming traffic. This helps maintain the overall health and reliability of your application. Điều…

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Kubernetes

[Fluent Bit / Datadog] How does Fluent bit collect logs and send them to multiple backend.

Posted on By nim No Comments on [Fluent Bit / Datadog] How does Fluent bit collect logs and send them to multiple backend.

1) look into Fluent Bit. Đầu tiên chúng ta tìm hiểu về fluent bit. Bạn có thể coi video này để hiểu một chút về fluent Bit. Fluent Bit được việt bằng C nên là nó rất nhẹ. 1.1) Fluent Bit’s configuration file trong 1 main configuration file thì gồm 1 sections. Chúng ta sẽ…

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Fluent

For the love of god, stop using CPU limits on Kubernetes

Posted on By nim No Comments on For the love of god, stop using CPU limits on Kubernetes

Best practices for CPU limits and requests on Kubernetes Lets summarize: Tim Hockin (one of the original Kubernetes maintainers at Google) has recommended the same for years. What about memory limits and requests? Everything in this post is about CPU and not memory. Memory is different because it is non-compressible – once you give memory you can’t…

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Kubernetes

[RabbitMQ/AWS] Install RabbitMQ on AWS based on Amazon MQ.

Posted on By nim No Comments on [RabbitMQ/AWS] Install RabbitMQ on AWS based on Amazon MQ.

Refer tohttps://github.com/dasmeta/terraform-aws-rabbitmqhttps://github.com/vainkop/terraform-aws-rabbitmq 1) Create VPC Đầu tiên chúng ta cần tạo vpc: Ở đây mình sử dụng vpc module để create 1 public subnet và 1 private subnet 2) RabbitMQ on AWS Tạo rabbitmq Bạn sẽ cần tạo rabbitmq thông qua Resource: aws_mq_brokerhttps://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/mq_broker Và bạn có thể tạo security Group thông qua module:https://registry.terraform.io/modules/terraform-aws-modules/security-group/aws/latest Và sau…

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AWS - Amazon Web Service

[VScode] Details: libsecret-1.so.0: cannot open shared object file: No such file or director

Posted on By nim No Comments on [VScode] Details: libsecret-1.so.0: cannot open shared object file: No such file or director

Mình gặp lỗi: Lỗi này xảy ra khi bạn sử dụng Visual Studio Code Remote – SSH hoặc Visual Studio Code Remote – Containers để kết nối đến một hệ thống từ xa hoặc một container và không thể truy cập kho lưu trữ mật khẩu (credential store) của hệ điều hành. Để giải quyết…

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Coding

[Terraform] DRY in Terraform Configurations With Dynamic Blocks

Posted on By nim No Comments on [Terraform] DRY in Terraform Configurations With Dynamic Blocks

Refer to: https://spacelift.io/blog/terraform-dynamic-blocks The Don’t Repeat Yourself (DRY) principle of software development states that code should be written once and not repeated. An important goal of the DRY principle is to improve the maintainability of code. See how you can keep your configuration DRY with Terragrunt on Spacelift. Some Terraform resources include repeatable nested blocks in their arguments….

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Terraform

[Argo-Workflows] Lesson23: Setup logging and artifact repository

Posted on By nim No Comments on [Argo-Workflows] Lesson23: Setup logging and artifact repository

Nếu các bạn đã sử dụng các hệ thông CI như github action và bitbucket thì bạn sẽ để ý chúng ta sẽ của artifact để lưu các result trả về trong quá trình CI để làm report để download,… 1) Setup Artifact for Argo Workflow. 1.1) Install Minio. Nếu bạn sài AWS thì có…

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ArgoWorkflows