kubernetes v1.8.3安装coredns

最新推荐文章于 2025-06-24 11:02:30 发布

运维Enter

最新推荐文章于 2025-06-24 11:02:30 发布

阅读量2.3k

点赞数

CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/qqhappy8/article/details/79853003

本文详细介绍了在Kubernetes v1.8.3中安装CoreDNS的过程，包括ServiceAccount、ClusterRole、ClusterRoleBinding、ConfigMap和Deployment的yaml配置。CoreDNS配置涉及errors、log、health、kubernetes服务、proxy和cache等功能。由于在配置过程中，错误地指定了集群CIDR，通过kubectl patch命令进行了修正。最后，验证了DNS解析的正确性，并提供了参考链接。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

coredns的部署yaml文件如下：

apiVersion: v1
kind: ServiceAccount
metadata:
name: coredns
namespace: kube-system
labels:
      kubernetes.io/cluster-service: "true"
      addonmanager.kubernetes.io/mode: Reconcile
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
    kubernetes.io/bootstrapping: rbac-defaults
    addonmanager.kubernetes.io/mode: Reconcile
name: system:coredns
rules:
- apiGroups:
- ""
resources:
    - endpoints
    - services
    - pods
    - namespaces
verbs:
    - list
    - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
annotations:
    rbac.authorization.kubernetes.io/autoupdate: "true"
labels:
    kubernetes.io/bootstrapping: rbac-defaults
    addonmanager.kubernetes.io/mode: EnsureExists
name: system:coredns
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: system:coredns
subjects:
- kind: ServiceAccount
name: coredns
namespace: kube-system
---
apiVersion: v1
kind: ConfigMap
metadata:
name: coredns
namespace: kube-system
labels:
      addonmanager.kubernetes.io/mode: EnsureExists
data:
Corefile: |
    .:53 {
        errors
        log stdout
        health
        kubernetes cluster.local 172.21.0.0/16

最低0.47元/天解锁文章

200万优质内容无限畅学