Manage resource to final state continually • kube-apiserver oriented programming • CustomResourceDefinition (CRD) • Built on Kubernetes APIs • Kubernetes repo support • Agile, flexible and convenient Machine and Node state, manage Node softwares and configure files. - Machine: the instance of Machine CRD with node basic information, which represent a node desired in the Kubernetes. - NPD(Node Problem

Kubernetes Introduction Concepts Requirements Configuration Network Policy Endpoint CRD Kubernetes Compatibility Cilium CRD schema validation Troubleshooting Istio Getting Started Using Istio Docker Cilium maintains an etcd cluster as part of the Kubernetes cluster. The identity allocation remains to be CRD-based which means that etcd remains an optional component to improve scalability. Failures in providing ploy#run-a-sample-workload]. Configuring IPAM modes CRD-backed IPAM CRD-backed IPAM This is a quick tutorial walking through how to enable CRD-backed IPAM. The purpose of this tutorial is to show how

tencent.com/developer/article/1636080 Step1: 创建 crd vi 1-crd.yaml ## IngressRoute apiVersion: apiextensions.k8s.io/v1beta1 kind: CustomResourceDefinition metadata: name: ingressroutes.traefik.container singular: ingressroute --- ## IngressRouteTCP apiVersion: apiextensions.k8s.io/v1beta1 kind: CustomResourceDefinition metadata: name: ingressroutetcps.traefik.container.us spec: scope: Namespaced singular: ingressroutetcp --- ## Middleware apiVersion: apiextensions.k8s.io/v1beta1 kind: CustomResourceDefinition metadata: name: middlewares.traefik.container.us spec: scope: Namespaced group:

Kubernetes Introduction Concepts Requirements o Configuration o Network Policy. o Endpoint CRD o Kubernetes Compatibility. o Troubleshooting • Istio Getting Started Using Istio • Docker maintains an etcd cluster as part of the Kubernetes cluster. The identity allocation remains to be CRD-based which means that etcd remains an optional component to improve scalability. Failures in providing s/test-deploy-kata-fc.yaml Configuring IPAM modes • CRD-backed IPAM # CRD-backed IPAM This is a quick tutorial walking through how to enable CRD-backed IPAM. The purpose of this tutorial is to show how

OPERATOR LIFECYCLE MANAGER (OLM) 2.5. 了解 OPERATORHUB 2.6. 红帽提供的 OPERATOR 目录 2.7. 多租户集群中的 OPERATOR 2.8. CRD 第 第 3 章 章 用 用户 户任 任务 务 3.1. 从已安装的 OPERATOR 创建应用程序 3.2. 在命名空间中安装 OPERATOR 第 第 4 章 章 管理 管理员 员任 任务 务 4 工具来管理您的应用程序？ 用程序？ 这些 API 功能丰富，所有平台均有对应的客户端，并可插入到集群的访问控制/审核中。Operator 会 使用 Kubernetes 的扩展机制“自定义资源定义 (CRD)”支持您的自定义对象，如 MongoDB，它类似于 内置的原生 Kubernetes 对象。 Operator 与 与 Service Broker 的比 的比较？ ？ 服务代理（service Container Platform 4.14 中。 Operator Registry Operator Registry 存储 ClusterServiceVersions (CSV) 和自定义资源定义 (CRD) 以便在集群中创建， 并存储有关软件包和频道的 Operator 元数据。它运行在 Kubernetes 或 OpenShift 集群中，向 OLM 提供这些 Operator 目录数据。 OperatorHub

maintains an etcd cluster as part of the Kubernetes cluster. The identity allocation remains to be CRD-based which means that etcd remains an optional component to improve scalability. Failures in providing rkload]. Configuring IPAM modes CRD-backed IPAM CRD-backed by Cilium cluster-pool IPAM CRD-backed IPAM This is a quick tutorial walking through how to enable CRD-backed IPAM. The purpose of this tutorial details, see the section CRD-Backed Enable CRD IPAM mode 1. Setup Cilium for Kubernetes using any of the available guides. 2. Run Cilium with the --ipam=crd option or set ipam: crd in the cilium-config ConfigMap

maintains an etcd cluster as part of the Kubernetes cluster. The identity allocation remains to be CRD-based which means that etcd remains an optional component to improve scalability. Failures in providing Cilium must be configured to use Kubernetes for identity allocation (identityAllocationMode set to crd). This is the default for new installations. External workloads must run a recent enough kernel for rkload]. Configuring IPAM modes CRD-backed IPAM CRD-backed by Cilium cluster-pool IPAM CRD-backed IPAM This is a quick tutorial walking through how to enable CRD-backed IPAM. The purpose of this tutorial

Reference Internals Hubble internals Hubble Architecture Cilium Operator Highly Available Cilium Operator CRD Registration IPAM KVStore operations Identity garbage collection CiliumEndpoint garbage collection steps: Default Configuration: Datapath IPAM Datastore Direct Routing Kubernetes PodCIDR Kubernetes CRD Requirements: The cluster should be created with the taint node.cilium.io/agent-not- ready=true:NoExecute Configuration: Datapath IPAM Datastore Datapath IPAM Datastore Encapsulation Cluster Pool Kubernetes CRD Note BYOCNI is the preferred way to run Cilium on AKS, however integration with the Azure stack via

○ Hubble internals ■ Hubble Architecture Cilium Operator ■ Highly Available Cilium Operator ■ CRD Registration ■ IPAM KVStore operations Identity_garbage_collection CiliumEndpoint_garbage_collection |---|---|---| |Datapath|IPAM|Datastore| |---|---|---| |Direct Routing|Kubernetes PodCIDR|Kubernetes CRD| ## Requirements: - The cluster should be created with the taint node.cilium.io/agent-not-ready=true:NoExecute Default Configuration: |Datapath|IPAM|Datastore| |---|---|---| |Encapsulation|Cluster Pool|Kubernetes CRD| ## Note BYOCNI is the preferred way to run Cilium on AKS, however integration with the Azure stack

Pluggable cloud providers • Container runtime interface (CRI) enhancements ## CustomResourceDefinition(CRD) ## • What CRD provides • Very flexible way to extend managed resource into a current Kubernetes ThirdPartyResource in Kubernetes 1.6 • Create CRD with spec in Kubernetes 1.7 ## Example of CRD and Resource Item apiVersion: apiextensions.k8s.io/v1beta1 kind: CustomResourceDefinition metadata: # name must match