############################ # role:prepare ############################ # 可选离线安装系统软件包 (offline|online) INSTALL_SOURCE: "online" ############################ # role:chrony ############################ # 设置时间源服务器【重要:集群内机器时间必须同步】 ntp_servers: - "ntp1.aliyun.com" - "time1.cloud.tencent.com" - "0.cn.pool.ntp.org" # 设置允许内部时间同步的网络段,比如"10.0.0.0/8",默认全部允许 local_network: "0.0.0.0/0" ############################ # role:deploy ############################ # default: ca will expire in 100 years # default: certs issued by the ca will expire in 50 years CA_EXPIRY: "876000h" CERT_EXPIRY: "438000h" # kubeconfig 配置参数,注意权限根据‘USER_NAME’设置: # 'admin' 表示创建集群管理员(所有)权限的 kubeconfig # 'read' 表示创建只读权限的 kubeconfig CLUSTER_NAME: "cluster1" USER_NAME: "admin" CONTEXT_NAME: "context-{{ CLUSTER_NAME }}-{{ USER_NAME }}" ############################ # role:runtime [containerd,docker] ############################ # ------------------------------------------- containerd # [.]启用容器仓库镜像 ENABLE_MIRROR_REGISTRY: true # [containerd]基础容器镜像 SANDBOX_IMAGE: "easzlab/pause-amd64:3.2" # [containerd]容器持久化存储目录 CONTAINERD_STORAGE_DIR: "/var/lib/containerd" # ------------------------------------------- docker # [docker]容器存储目录 DOCKER_STORAGE_DIR: "/var/lib/docker" # [docker]开启Restful API ENABLE_REMOTE_API: false # [docker]信任的HTTP仓库 INSECURE_REG: '["127.0.0.1/8"]' ############################ # role:kube-master ############################ # k8s 集群 master 节点证书配置,可以添加多个ip和域名(比如增加公网ip和域名) MASTER_CERT_HOSTS: - "10.1.1.1" - "k8s.test.io" #- "www.test.com" # node 节点上 pod 网段掩码长度(决定每个节点最多能分配的pod ip地址) # 如果flannel 使用 --kube-subnet-mgr 参数,那么它将读取该设置为每个节点分配pod网段 # https://github.com/coreos/flannel/issues/847 NODE_CIDR_LEN: 24 ############################ # role:kube-node ############################ # Kubelet 根目录 KUBELET_ROOT_DIR: "/var/lib/kubelet" # node节点最大pod 数 MAX_PODS: 110 # 配置为kube组件(kubelet,kube-proxy,dockerd等)预留的资源量 # 数值设置详见templates/kubelet-config.yaml.j2 KUBE_RESERVED_ENABLED: "yes" # k8s 官方不建议草率开启 system-reserved, 除非你基于长期监控,了解系统的资源占用状况; # 并且随着系统运行时间,需要适当增加资源预留,数值设置详见templates/kubelet-config.yaml.j2 # 系统预留设置基于 4c/8g 虚机,最小化安装系统服务,如果使用高性能物理机可以适当增加预留 # 另外,集群安装时候apiserver等资源占用会短时较大,建议至少预留1g内存 SYS_RESERVED_ENABLED: "no" # haproxy balance mode BALANCE_ALG: "roundrobin" ############################ # role:network [flannel,calico,cilium,kube-ovn,kube-router] ############################ # ------------------------------------------- flannel # [flannel]设置flannel 后端"host-gw","vxlan"等 FLANNEL_BACKEND: "vxlan" DIRECT_ROUTING: false # [flannel] flanneld_image: "quay.io/coreos/flannel:v0.10.0-amd64" flannelVer: "__flannel__" flanneld_image: "easzlab/flannel:{{ flannelVer }}" # [flannel]离线镜像tar包 flannel_offline: "flannel_{{ flannelVer }}.tar" # ------------------------------------------- calico # [calico]设置 CALICO_IPV4POOL_IPIP=“off”,可以提高网络性能,条件限制详见 docs/setup/calico.md CALICO_IPV4POOL_IPIP: "Always" # [calico]设置 calico-node使用的host IP,bgp邻居通过该地址建立,可手工指定也可以自动发现 IP_AUTODETECTION_METHOD: "can-reach={{ groups['kube-master'][0] }}" # [calico]设置calico 网络 backend: brid, vxlan, none CALICO_NETWORKING_BACKEND: "brid" # [calico]更新支持calico 版本: [v3.3.x] [v3.4.x] [v3.8.x] [v3.15.x] calico_ver: "__calico__" # [calico]calico 主版本 calico_ver_main: "{{ calico_ver.split('.')[0] }}.{{ calico_ver.split('.')[1] }}" # [calico]离线镜像tar包 calico_offline: "calico_{{ calico_ver }}.tar" # ------------------------------------------- cilium # [cilium]CILIUM_ETCD_OPERATOR 创建的 etcd 集群节点数 1,3,5,7... ETCD_CLUSTER_SIZE: 1 # [cilium]镜像版本 cilium_ver: "__cilium__" # [cilium]离线镜像tar包 cilium_offline: "cilium_{{ cilium_ver }}.tar" # ------------------------------------------- kube-ovn # [kube-ovn]选择 OVN DB and OVN Control Plane 节点,默认为第一个master节点 OVN_DB_NODE: "{{ groups['kube-master'][0] }}" # [kube-ovn]离线镜像tar包 kube_ovn_ver: "__kube_ovn__" kube_ovn_offline: "kube_ovn_{{ kube_ovn_ver }}.tar" # ------------------------------------------- kube-router # [kube-router]公有云上存在限制,一般需要始终开启 ipinip;自有环境可以设置为 "subnet" OVERLAY_TYPE: "full" # [kube-router]NetworkPolicy 支持开关 FIREWALL_ENABLE: "true" # [kube-router]kube-router 镜像版本 kube_router_ver: "__kube_router__" busybox_ver: "1.28.4" # [kube-router]kube-router 离线镜像tar包 kuberouter_offline: "kube-router_{{ kube_router_ver }}.tar" busybox_offline: "busybox_{{ busybox_ver }}.tar" ############################ # role:cluster-addon ############################ # coredns 自动安装 dns_install: "yes" corednsVer: "__coredns__" # metric server 自动安装 metricsserver_install: "yes" metricsVer: "__metrics__" # dashboard 自动安装 dashboard_install: "yes" dashboardVer: "__dashboard__" dashboardMetricsScraperVer: "__dash_metrics__" # prometheus 自动安装 prom_install: "no" prom_namespace: "monitor" prom_chart_ver: "__prom_chart__" ############################ # role:harbor ############################ # harbor version,完整版本号 HARBOR_VER: "v1.9.4"