GitOps 2.0 THE FUTURE OF DEVOPS Table of Contents 1. The Pains of GitOps 1.0 1.1. GitOps tools 1.2. Splitting CI and CD 1.3. Promotion of releases between environments 1.4. Modeling multi-environment within GitOps tools at any moment. Those continuously compare the current state with the desired state to ensure the system is running like expected. The most popular GitOps tools today are ​Flux organizations are adopting GitOps tools, it is clear that a set of best practices are needed in several areas that are not currently covered by the existing tools. In this guide, we will describe

Workflows Where does GitOps fit in? Operations via Pull Request Summary 14 Chapter 2–Tools of the Trade Infrastructure as Code History of Infrastructure as Code Challenges Other GitOps Tools PipeCD Keptn Pulumi Kubernetes Operator Summary 18 Chapter 3–Templating Everything in Git Kustomize Helm Operators Combining Tools Summary 6–CI/CD with GitOps CI and CD Can Be Decoupled Integrating Synchronous and Asynchronous Tools CI Managed Benefits Drawbacks CI Owned and CD via GitOps Benefits

developers require on-demand access to a variety of tools and resources that enable them to be more productive and deliver applications more quickly. The tools and services that developers need to build and improve developer productivity. But it’s not just about providing better tools. It’s about providing a better way to access these tools and resources that eliminate obstacles. Developers should not have to and level of DevOps evolution Source: Puppet While there are many ways to deliver resources and tools to application developers, the favorite approach of high-performing DevOps teams is to deploy an

Knowing the philosophy of GitOps, what your current deployment strategy looks like, and essential tools are key to implementing a successful GitOps strategy. In this ebook you will learn: • a refresher Kubernetes environment. Push vs. Pull-Based Architecture Push-based architecture also relies on CI/CD tools like Jenkins to deploy code changes from the Git repository but lacks the automation benefits of insights into a system’s performance, health, and other issues. Paired with open source monitoring tools like OpenTelemetry, developers can gain real-time visibility of the system’s state and changes.

shifted rightly so to improving the developer experience. In the last few years, the number of tools and systems needed to manage version control, configuration management, Infrastructure as Code, infrastructure changes to Kubernetes. With the entire state of your cluster kept under source control, diff tools and synchronization agents can compare what’s running in production with what’s under source control DECLARATIVE DESCRIPTION Thanks to modern Infrastructure as Code (IaC) and configuration management tools like Terraform, you can define, configure, and spin up your entire application declaratively via

com/install-sccript /cmp/fit2cloud-tools.zip 2) 安装方法  解压 ZIP 包 [root@admin-node ~]# cd /opt [root@admin-node ~]# unzip app_packages.zip [root@admin-node ~]# unzip fit2cloud_tools.zip  安装 Python 依赖包 [root@admin-node [root@admin-node ~]# cd /opt/fit2cloud-tools/rpm-package [root@admin-node ~]# sh python-paramiko.sh  修改部署配置文件 [root@admin-node ~]# cd /opt/fit2cloud-tools && vim f2c.conf #mysql-node ip and passwd mysql-master=1 执行安装命令 usage： python Install-Tools.py -H [ ] -P -u -p -U -- eg: 1)Install Nginx python Install-Tools.py -H 10.1.13.222 10.1.13.228

stability, security and compliance – and it does all this without the need for developers to learn new tools. On the pages that follow, we’ll explain exactly what GitOps is and how you can use it to deliver Another key concept behind GitOps is the fact that Kubernetes and its ecosystem of cloud native tools are declarative, as opposed to imperative, which allows for configuration to be treated as code. Business Performance: The Facts 6 No new tools to learn Because Git lies at the centre of the delivery pipeline, developers do not need to learn to use new tools. They can work in a world they know, using

23 31 36 eBook 3 GitOps in Practice A “you build it, you own it” development process requires tools that developers know and understand. GitOps is our name for how we use developer tooling to drive to your infrastructure when commits are pushed and approved in Git. It also makes use of diff tools to compare the actual production state with what’s under source control and alerts you when there pipeline, GitOps gives you the freedom to choose the best tools for the different parts of your CICD pipeline. You can select a set of tools from the open source ecosystem or from closed source or depending

applied with standard Openshift and k8s tooling Day 2 operations : All changes triggered from Git Tools of the Trade https://argoproj.github.io/argo-cd https://kustomize.io/ Argo CD Kustomize Argo CD way ● Synchronizes cluster state with git repos ● Works with a variety of Kubernetes deployment tools including: ○ Helm ○ Kustomize ○ Ksonnet/Jsonnet ○ Directories of yaml ● It is not a CI tool secrets ● Order dependent deployments ● Non-declarative requirements ● Integrating with CI/CD tools (Jenkins, OpenShift Pipelines, etc) ○ Does CI/CD or Argo CD manage deployments? Approach 1: Multiple

Review changes beforehand, detect configuration drifts, and take action Enhanced Security Familiar tools and Git workflows from application development teams Standard Workflow Multi-cluster consistency Deploy Stage Deploy Prod OpenShift Build Automate building container images using Kubernetes tools OpenShift Pipelines Kubernetes-native on-demand delivery pipelines OpenShift GitOps Declarative Pull Request Push Pull OpenShift Builds 12 Automate building container images using Kubernetes tools GENERAL DISTRIBUTION 13 OpenShift Builds A Kubernative-native way to building container images