kubernetes 기본적인 명령어

[kubernetes 명령어]

 

-- kubernetes 상태 확인

# systemctl status kubelet

 

-- kubenetes 시작 

# systemctl start kubelet

 

-- kubernetes 종료

# systemctl stop kubelet

 

--kubernetes 종료

# systemctl restart kubelet

 

 

--kubernetes node 서버 조회

# kubectl get nodes -o wide

NAME     STATUS   ROLES    AGE     VERSION   INTERNAL-IP       EXTERNAL-IP   OS-IMAGE                KERNEL-VERSION          CONTAINER-RUNTIME

master   Ready    master   7d22h   v1.18.6   192.168.217.128   <none>        CentOS Linux 7 (Core)   3.10.0-514.el7.x86_64   docker://18.6.3

node1    Ready    <none>   7d22h   v1.18.6   192.168.217.130   <none>        CentOS Linux 7 (Core)   3.10.0-514.el7.x86_64   docker://18.6.3

node2    Ready    <none>   7d22h   v1.18.6   192.168.217.129   <none>        CentOS Linux 7 (Core)   3.10.0-514.el7.x86_64   docker://18.6.3

 

--kubernetes deployment 조회

# kubectl get deployment -o wide

NAME               READY   UP-TO-DATE   AVAILABLE   AGE     CONTAINERS         IMAGES                                         SELECTOR

sj-cataloger2      1/1     1            1           4d      sj-cataloger2      192.168.217.128:5000/sj-ca-perfect:latest      app=sj-cataloger2

sj-deletemanager   2/2     2            2           7d21h   sj-deletemanager   192.168.217.128:5000/sj-deletemanager:latest   app=sj-deletemanager

sj-tr-npsadmin     1/1     1            1           6d4h    sj-tr-npsadmin     192.168.217.128:5000/sj-tr-npsadmin:latest     app=sj-tr-npsadmin

 

--kuberentes pod 조회

# kubectl get pods --all-namespaces

NAMESPACE              NAME                                         READY   STATUS    RESTARTS   AGE

default                sj-cataloger2-57fb9b5d85-v42b5               1/1     Running   1          29h

default                sj-deletemanager-7f4f5fb49c-9qp8x            1/1     Running   1          29h

default                sj-deletemanager-7f4f5fb49c-qtkkx            1/1     Running   0          4h36m

default                sj-tr-npsadmin-6c8d8467bd-vjq8h              1/1     Running   1          29h

kube-system            coredns-66bff467f8-f2gj7                     1/1     Running   6          7d23h

kube-system            coredns-66bff467f8-gmmss                     1/1     Running   7          7d23h

kube-system            etcd-master                                  1/1     Running   8          7d23h

kube-system            kube-apiserver-master                        1/1     Running   5          26h

kube-system            kube-controller-manager-master               1/1     Running   21         7d23h

kube-system            kube-flannel-ds-amd64-bxfmz                  1/1     Running   8          7d23h

kube-system            kube-flannel-ds-amd64-hw6bn                  1/1     Running   10         7d22h

kube-system            kube-flannel-ds-amd64-twwkr                  1/1     Running   10         7d22h

kube-system            kube-proxy-8t6jt                             1/1     Running   6          7d22h

kube-system            kube-proxy-mkptr                             1/1     Running   6          7d22h

kube-system            kube-proxy-zdtgp                             1/1     Running   7          7d23h

kube-system            kube-scheduler-master                        1/1     Running   19         7d23h

kube-system            metrics-server-7c9c58c79c-vj8qh              1/1     Running   5          7d5h

kubernetes-dashboard   dashboard-metrics-scraper-6b4884c9d5-hmn28   1/1     Running   5          7d22h

kubernetes-dashboard   kubernetes-dashboard-7b544877d5-lbfjq        1/1     Running   15         7d22h

monitoring             grafana-559f56d789-s7ljc                     1/1     Running   4          6d4h

monitoring             prometheus-deployment-54686956bd-pff6n       1/1     Running   6          6d4h

 

 

--kuberentes service 조회

# kubectl get service --all-namespaces

NAMESPACE              NAME                        TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)                  AGE

default                kubernetes                  ClusterIP   10.96.0.1        <none>        443/TCP                  7d22h

kube-system            kube-dns                    ClusterIP   10.96.0.10       <none>        53/UDP,53/TCP,9153/TCP   7d22h

kube-system            metrics-server              ClusterIP   10.111.216.16    <none>        443/TCP                  7d4h

kubernetes-dashboard   dashboard-metrics-scraper   ClusterIP   10.97.140.108    <none>        8000/TCP                 7d22h

kubernetes-dashboard   kubernetes-dashboard        ClusterIP   10.104.125.163   <none>        443/TCP                  7d22h

monitoring             grafana                     NodePort    10.102.152.4     <none>        3000:30300/TCP           6d4h

monitoring             prometheus-service          NodePort    10.111.51.96     <none>        8080:30000/TCP           6d4h