Alibaba cloud ack introduction

1.k8s The network division

k8s The Internet in （ More detailed summary ） - jojoword - Blog Garden (cnblogs.com)

2.ack The meaning of each layer

1. Cluster information   Cluster information shows the basic information and connection information of the cluster

2. Node management

2.1. Node pool   Simply understood as machine , Pool of all machines

2.2. node Every machine

3. Namespaces and quotas A literal namespace , Resource isolation

4. The workload

4.1. No state Data that does not need persistence can be used in this way Such as Nginx Tomcat etc.

k8s Overview of stateful deployment applications （deployment,sts,ds） - devops Operation and maintenance - Small ash - Blog Garden (cnblogs.com)

4.2. A stateful   Data needs to be persistent Such as MySQL Redis Message queuing, etc

Start from scratch K8s： Stateful application choreography - StatefulSet Cloud computing toast _InfoQ Selected articles

4.3. Set of daemons The network plugin 、 Log collection 、 Node monitoring, etc

38 k8s-16.DaemonSet： Set of daemons - Panda shrimp - Blog Garden (cnblogs.com)

4.4. Tasks and scheduled tasks

4.4.1. A task is a one-time task

4.4.2. Timed tasks need no explanation

(17 Bar message ) K8S-Controller-(Job and Cronjob)- One mission and timed mission _ Love is a blog parallel to the world -CSDN Blog

4.5. Container group   One pod It is a container group

Container group _ summary | Kuboard

4.6. Custom resources Create custom resources , That is, customize restful api

(17 Bar message ) k8s crd Detailed explanation of customized resources _ghostwritten The blog of -CSDN Blog

5. The Internet

5.1. service k8sservice The middle layer in the three-layer network

kubernetes（k8s）service Use - Simple books (jianshu.com)

5.2. route seeing the name of a thing one thinks of its function forward

ingress Introduce - Simple books (jianshu.com)

6. Configuration Management

6.1. Configuration item Save key value pairs of configuration data

k8s -- ConfigMap - Simple books (jianshu.com)

6.2. Confidential dictionary   Store sensitive information such as token etc.

[(17 Bar message ) k8s And Secret Understand and use in detail _Jerry00713 The blog of -CSDN Blog ](k8s And Secret Understand and use in detail _Jerry00713 The blog of -CSDN Blog _k8s secret file secrets Used to store and manage some sensitive data , Like passwords ,token, Key and other sensitive information . It is the Pod The encrypted data you want to access is stored in Etcd in ., The user can then use the Pod In the container of Volume Or environment variables Secret There's information in it .)

7. Storage

7.1. Storage statement  PVC

7.2. Storage volume PV

7.3. Storage class StorageClass

Xiaobaixue k8s(12)-k8s in PV and PVC understand - ZhanLi - Blog Garden (cnblogs.com)

8. application

8.1.helm k8s Package manager image docker Sum of images docker

Helm | Docs

8.2. Service Grid (Service Mesh) Not this time , There are too many things involved

What is service grid ？ · Istio Service Grid —— Cloud native application network construction guide (jimmysong.io)

8.3.knative Ali component , No introduction