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Author: xidianwangtao@gmail.com Analysis of Source Directory Structure The main code of Horizontal Pod Autoscaler (hereinafter referred to as HPA) is as follows, and the main documents involved are few. cmd/kube-controller-manager/app/autoscaling.go // HPA Controller Startup Code /pkg/controller/podautoscaler . ├── BUILD ├── OWNERS ├── doc ...

1. Docker-related content2. Introduction to Kubernets3. kuadm Installation k8s 1. Docker-related content 1. Docker Toolset Docker Three Swordsmen: Compse, swarm, machine docker compose: for single machine, container arrangement definition docker swarm: integration of all Docker host resources, cluster management docker machine: In ...

Summary kubeadm has been supported by cluster deployment, and in version 1.13, GA, master and etcd are clustered deployments. It is also the most recommended deployment mode for government officials. kubeadm is promoted by its sig group. kubeadm has many features of kubernetes. Next, we will practice and understand its charm. Bid mark 1. Build ...

In the k8s master highly available practice scenario, the certificate of kube-apiserver needs to be updated, VIP and slave IP added, and then the certificate is re-issued.Recalling the whole process of K8S cluster building, the easiest to be confused is the configuration certificate link, so this paper combs the certificates us ...

Related recommendations The kubernetes environment of this article: https://blog.51cto.com/billy98/2350660 I. description This article describes how to upgrade the Kubernetes cluster created using kubeadm from version 1.13.x to version 1.14.x. Only one MINOR version can be upgraded to the next MINOR version, or between PATCH versions of the s ...

Start a secure kubernetes cluster using kubeadm Official Document Reference Links: https://kubernetes.io/docs/setup/independent/install-kubeadm/ Environmental preparation CentOS 7 At least 2G or more of memory At least two CPU s Network connectivity for each machine in the cluster (firewall, selinux, NetworkManager turned off) Each node has a ...

At first, the privilege mode of apiserver, kubelet node is opened in accordance with the relevant documents - allow-privileged=true, and then executed with ali document, it can not run at all. Referring to issue in github, we know that it's all about why the problem doesn't work, but the response is not clear, and it does mention the need to ...

system description System Component Version Operating System: CentOS 7.6 Kernel: 4.4 Kubernetes: v1.14.1 Docker: 18.09 (supported 1.13.1, 17.03, 17.06, 17.09, 18.06, 18.09) Etcd: v3.3.12 Flannel: v0.11 cni-plugins: v0.7.5 CoreDNS: 1.4.0 Schematic diagram Architecture description: Use six hosts, three Master nodes, three node nodes The Kube ...

New features of Kubernetes 1.13 Using kubeadm (GA) to simplify Kubernetes cluster management Most engineers with Kubernetes should be able to use kubeadm. It is an important tool for managing the life cycle of a cluster, from creation to configuration to upgrade; now kubeadm has officially become GA. Kubeadm handles the guidan ...

Modify NAS version: from v4 to v3 1. To modify the nfs version, the nas volume needs to be reloaded, and the pod needs to be restarted. 2. If deployment application is used, refer to the following example. If deployment application is used with pod, the deployment template of pod is changed in the following example. Pre-modification application ...