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Category: Coding

[Golang] Writing a metrics exporter through Golang and Prometheus

Posted on April 30, 2023May 4, 2023 By nim No Comments on [Golang] Writing a metrics exporter through Golang and Prometheus
[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 April 27, 2023September 12, 2023 By nim No Comments on [DevSecOps] Dependency Check Basics and Vulnerabilities
[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

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

Posted on April 22, 2023August 19, 2023 By nim No Comments on [RabbitMQ/AWS] Install RabbitMQ on AWS based on Amazon MQ.
[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 April 21, 2023 By nim No Comments on [VScode] Details: libsecret-1.so.0: cannot open shared object file: No such file or director
[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 April 21, 2023April 21, 2023 By nim No Comments on [Terraform] DRY in Terraform Configurations With Dynamic Blocks
[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

[AWS] If Ec2 connects to S3, Will it go through the internet or the internal network of AWS?

Posted on April 9, 2023April 9, 2023 By nim No Comments on [AWS] If Ec2 connects to S3, Will it go through the internet or the internal network of AWS?
[AWS] If Ec2 connects to S3, Will it go through the internet or the internal network of AWS?

ChatGPT: When an Amazon EC2 instance needs to access Amazon S3, the traffic will typically stay within the internal AWS network rather than going out to the public internet. This is because Amazon S3 and Amazon EC2 are both services provided by AWS, and AWS provides private connectivity between these services through its Virtual Private…

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AWS - Amazon Web Service

[VScode] the exciting thing about VScode

Posted on April 2, 2023July 26, 2023 By nim No Comments on [VScode] the exciting thing about VScode
[VScode] the exciting thing about VScode

sticky scroll tool này rất có ích khi bạn làm việc với các file yaml GitLens — Git supercharged Plugin này dùng để thấy dòng code này là của ai commit.

Coding

Experiences for IP Addresses Shortage on EKS Clusters

Posted on March 29, 2023March 29, 2023 By nim No Comments on Experiences for IP Addresses Shortage on EKS Clusters
Experiences for IP Addresses Shortage on EKS Clusters

Link: https://medium.com/compass-true-north/experiences-for-ip-addresses-shortage-on-eks-clusters-a740f56ac2f5 In a fast-growing company, like Compass, things may become challenging for Cloud infrastructure teams. As serving more and more customers, many backend services scaled up in our Kubernetes clusters. Meanwhile, a variety of new backend services went online to satisfy new requirements. Recently, a big challenge for our Cloud Engineering team in Compass…

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AWS - Amazon Web Service

[Talisman/DevSecOps] Discover the sensitive information in your code.

Posted on March 28, 2023September 11, 2023 By nim No Comments on [Talisman/DevSecOps] Discover the sensitive information in your code.
[Talisman/DevSecOps] Discover the sensitive information in your code.

Chúng ta có 1 bài post.https://www.theregister.com/2015/01/06/dev_blunder_shows_github_crawling_with_keyslurping_bots/ Git Hooks and Talisman Introduction HandsOn – Talisman thực hiện kiểm tra hook trong code dưới laptop. Thực hiện cài đặt Talisman trên máy của bạn Bạn thấy pre-push sẽ được thê trong hook của git Bạn có thể setup scankhi commit. Khi bạn thúc hiện commit thì talisman…

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DevSecOps

[Kubernetes] volume node affinity conflict

Posted on March 14, 2023November 24, 2023 By nim No Comments on [Kubernetes] volume node affinity conflict
[Kubernetes] volume node affinity conflict

Hôm này bạn của mình thực hiện upgrade eks cluster.Trong eks cluster có 1 deployment sử dụng PVC thông qua EBS Mà chúng bị lỗi này: Pod này thì là linux và mình đang có 2 node linux. Mình có đọc được bài viết này.https://pet2cattle.com/2022/04/volume-affinity-conflicthttps://copyprogramming.com/howto/kubernetes-pod-warning-1-node-s-had-volume-node-affinity-conflict Lúc này đơn giản chúng ta sẽ tăng số node…

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AWS - Amazon Web Service

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