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실습 환경 주요 정상 점검

kubectl cluster-info dump | grep -m 2 -E "cluster-cidr|service-cluster-ip-range"
                            "--service-cluster-ip-range=10.96.0.0/16",
                            "--cluster-cidr=10.244.0.0/16",

# 노드 정보 : 상태, INTERNAL-IP 확인
kubectl get node -owide
NAME      STATUS   ROLES           AGE   VERSION   INTERNAL-IP      EXTERNAL-IP   OS-IMAGE             KERNEL-VERSION     CONTAINER-RUNTIME
k8s-ctr   Ready    control-plane   57m   v1.33.2   192.168.10.100   <none>        Ubuntu 24.04.2 LTS   6.8.0-53-generic   containerd://1.7.27
k8s-w1    Ready    <none>          53m   v1.33.2   192.168.10.101   <none>        Ubuntu 24.04.2 LTS   6.8.0-53-generic   containerd://1.7.27

파드 정보 : 상태, 파드 IP 확인

(⎈|HomeLab:N/A) root@k8s-ctr:~# kubectl get nodes -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.spec.podCIDR}{"\n"}{end}'
k8s-ctr 10.244.0.0/24
k8s-w1  10.244.1.0/24

ipam 모드 확인

root@k8s-ctr:~# cilium config view | grep ^ipam
ipam                                              kubernetes
ipam-cilium-node-update-rate                      15s

cilium status : OK 면 정상 , ClusterMesh 는 아직 안켬

root@k8s-ctr:~# cilium status
    /¯¯\
 /¯¯\__/¯¯\    Cilium:             OK
 \__/¯¯\__/    Operator:           OK
 /¯¯\__/¯¯\    Envoy DaemonSet:    OK
 \__/¯¯\__/    Hubble Relay:       OK
    \__/       ClusterMesh:        disabled
DaemonSet              cilium                   Desired: 2, Ready: 2/2, Available: 2/2
DaemonSet              cilium-envoy             Desired: 2, Ready: 2/2, Available: 2/2
Deployment             cilium-operator          Desired: 1, Ready: 1/1, Available: 1/1
Deployment             hubble-relay             Desired: 1, Ready: 1/1, Available: 1/1
Deployment             hubble-ui                Desired: 1, Ready: 1/1, Available: 1/1
Containers:            cilium                   Running: 2
                       cilium-envoy             Running: 2
                       cilium-operator          Running: 1
                       clustermesh-apiserver
                       hubble-relay             Running: 1
                       hubble-ui                Running: 1