of their respective owners. 摘要 摘要 本文档提供有关配置和管理 OpenShift Container Platform 集群网络的说明，其中包括 DNS、 Ingress 和 Pod 网络。 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 了解网 了解网络 络 1.1. OPENSHIFT CONTAINER PLATFORM DNS 1.2. OPENSHIFT CONTAINER PLATFORM INGRESS OPERATOR 1.2.1. 路由和 Ingress 的比较 第 第 2 章 章 访问 访问主机 主机 2.1. 访问安装程序置备的基础架构集群中 AMAZON WEB SERVICES 上的主机 第 第 3 章 章 章 网 网络 络 OPERATOR 概述 概述 3.1. CLUSTER NETWORK OPERATOR 3.2. DNS OPERATOR 3.3. INGRESS OPERATOR 第 第 4 章 章 OPENSHIFT CONTAINER PLATFORM 中的 中的 CLUSTER NETWORK OPERATOR 4.1. CLUSTER NETWORK OPERATOR 4

of their respective owners. 摘要 摘要 本文档提供有关配置和管理 OpenShift Container Platform 集群网络的说明，其中包括 DNS、 Ingress 和 Pod 网络。 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 第 第 2 章 章 了解网 了解网络 络 2.1. OPENSHIFT CONTAINER PLATFORM DNS 2.2. OPENSHIFT CONTAINER PLATFORM INGRESS OPERATOR 2.3. OPENSHIFT CONTAINER PLATFORM 网络的常见术语表 第 第 3 章 章 访问 访问主机 主机 3.1. 访问安装程序置备的基础架构集群中 网络 络 OPERATOR 概述 概述 4.1. CLUSTER NETWORK OPERATOR 4.2. DNS OPERATOR 4.3. INGRESS OPERATOR 4.4. 外部 DNS OPERATOR 4.5. INGRESS NODE FIREWALL OPERATOR 4.6. NETWORK OBSERVABILITY OPERATOR 第 第 5 章 章 OPENSHIFT

of their respective owners. 摘要 摘要 本文档提供有关配置和管理 OpenShift Container Platform 集群网络的说明，其中包括 DNS、 Ingress 和 Pod 网络。 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 第 第 1 章 章 了解网 了解网络 络 1.1. OPENSHIFT CONTAINER PLATFORM DNS 1.2. OPENSHIFT CONTAINER PLATFORM INGRESS OPERATOR 1.3. OPENSHIFT CONTAINER PLATFORM 网络的常见术语表 第 第 2 章 章 访问 访问主机 主机 2.1. 访问安装程序置备的基础架构集群中 SERVICES 上的主机 第 第 3 章 章 网 网络 络 OPERATOR 概述 概述 3.1. CLUSTER NETWORK OPERATOR 3.2. DNS OPERATOR 3.3. INGRESS OPERATOR 第 第 4 章 章 OPENSHIFT CONTAINER PLATFORM 中的 中的 CLUSTER NETWORK OPERATOR 4.1. CLUSTER NETWORK

to secure access to and from external services, traditional CIDR based security policies for both ingress and egress are supported. This allows to limit access to and from application containers to particular [https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/], Ingress [https://kubernetes.io/docs/concepts/services-networking/ingress/], Service [https://kubernetes.io/docs/concepts/services-networking/service/] TPROXY requirements of Cilium >= 1.6.0. minikube version minikube version: v1.3.1 commit: ca60a424ce69a4d79f502650199ca2b52f29e631 3. Create a minikube cluster: minikube start --network-plugin=cni --memory=4096

to secure access to and from external services, traditional CIDR based security policies for both ingress and egress are supported. This allows to limit access to and from application containers to particular kubectl create secret generic -n kube-system cilium-etcd-secrets \ --from-file=etcd-client-ca.crt=ca.crt \ --from-file=etcd-client.key=client.key \ --from-file=etcd-client.crt=client.crt Adjust Values=${infraID}-master-sg" | jq -r '.SecurityGroups[0].GroupId')" aws ec2 authorize-security-group-ingress --region "${aws_region}" \ --ip-permissions \ "IpProtocol=udp,FromPort=8472,ToPort=8472,UserIdGroupPairs=

to secure access to and from external services, traditional CIDR based security policies for both ingress and egress are supported. This allows to limit access to and from application containers to particular [https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/], Ingress [https://kubernetes.io/docs/concepts/services-networking/ingress/], Service [https://kubernetes.io/docs/concepts/services-networking/service/] TPROXY requirements of Cilium >= 1.6.0. minikube version minikube version: v1.3.1 commit: ca60a424ce69a4d79f502650199ca2b52f29e631 3. Create a minikube cluster: minikube start --network-plugin=cni --memory=4096

虚拟机集成尚不受支持 尚不支持 Kubernetes 网关 API 尚不支持远程获取和加载 WebAssembly HTTP 过滤器 尚不支持使用 Kubernetes CSR API 的自定义 CA 集成 监控流量的请求分类是一个技术预览功能 通过授权策略的 CUSTOM 操作与外部授权系统集成是一项技术预览功能 1.2.2.12.7. 改进了 Service Mesh operator apiVersion: networking.istio.io/v1alpha3 kind: EnvoyFilter metadata: name: ingress-case-insensitive namespace: istio-system spec: configPatches: - applyTo: HTTP_FILTER 第 第 1 命名空间中手动创建 NetworkPolicy。 MAISTRA-2401 CVE-2021-3586 servicemesh-operator：NetworkPolicy 资源为 ingress 资源指 定错误的端口。为 Red Hat OpenShift Service Mesh 安装的 NetworkPolicy 资源没有正确指定可 访问哪些端口。这允许从任何 pod 访问这些资源

to secure access to and from external services, traditional CIDR based security policies for both ingress and egress are supported. This allows to limit access to and from application containers to particular kubectl create secret generic -n kube-system cilium-etcd-secrets \ --from-file=etcd-client-ca.crt=ca.crt \ --from-file=etcd-client.key=client.key \ --from-file=etcd-client.crt=client.crt Adjust the command cilium hubble enable as shown below: $ cilium hubble enable � Found existing CA in secret cilium-ca � Patching ConfigMap cilium-config to enable Hubble... ♻ Restarted Cilium pods � Generating

to secure access to and from external services, tradi�onal CIDR based security policies for both ingress and egress are supported. This allows to limit access to and from applica�on containers to par�cular [h�ps://kubernetes.io/docs/concepts/overview/working-with- objects/labels/], Ingress [h�ps://kubernetes.io/docs/concepts/services- networking/ingress/], Service [h�ps://kubernetes.io/docs/concepts/services- networking/service/] kubectl create secret generic -n kube-system cilium-etcd-secrets \ --from-file=etcd-client-ca.crt=ca.crt \ --from-file=etcd-client.key=client.key \ --from-file=etcd-client.crt=client.crt

default-node-token token: abcdef.0123456789abcdef �l: 24h0m0s usages: - signing - authen�ca�on kind: InitConfigura�on localAPIEndpoint: adver�seAddress: 10.99.1.51 bindPort: 6443 nodeRegistra�on: containerd ★如果不想配置信任私有镜像仓库，也可将服务器证书添加到操作系统的ca证 书库里 # cat ca.com.crt >> /etc/pki/tls/certs/ca-bundle.crt #将ca证书添加到centos系统证书信任列表中，链接到： /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem ②安装k8s二进制组件 #使用ali default-node-token token: abcdef.0123456789abcdef �l: 24h0m0s usages: - signing - authen�ca�on kind: InitConfigura�on localAPIEndpoint: adver�seAddress: 10.99.1.51 bindPort: 6443 nodeRegistra�on: