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kubectl

· 2 min read

kubectl​

export KUBECONFIG=~/Desktop/www/work-book/env/sandbox/1_kubernetes/kubeconfig

kubectl get pod -A

kubectl run hello-minikube --image=zx5435/go-fs:v1 --port=8080

kubectl delete -n default deployment hello-minikube

kubectl logs -f pod-gim-uat-app-2
kubectl logs --tail=50 -f pod-gim-uat-app-2

install​

curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.16.0/bin/windows/amd64/kubectl.exe

config​

namespace​

kubectl config set-context --current --namespace=$(basename $PWD)
kubectl config set-context --current --namespace=ccm-perf
kubectl config set-context $(kubectl config current-context) --namespace=ccm-perf

run​

kubectl run hello-minikube --image=zx5435/go-fs:v1 --port=8080

delete 批量​

kubectl -nccm-uat get pod --field-selector=status.phase!=Running
kubectl -nccm-uat get pod --field-selector=status.phase==Failed

port-forward​

# outside:inside 左外右内
kubectl -nzx5435 port-forward --address 0.0.0.0 service/air-ticket 7777:80

kubectl -nzx5435 expose deployment air-ticket --type=LoadBalancer --name=my-service

configmap​

kubectl -nccm-perf create configmap mq-conf --from-file=activemq

kustomize​

kubectl builtins​

# kustomization.yaml
# k apply -k config/
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
generatorOptions:
# disableNameSuffixHash: true
labels:
  type: generated
annotations:
  note: generated
configMapGenerator:
- name: gim-fs
  files:
    - pii.yml
    - activemq.xml
    - broker.ks
- name: ept-env
  literals:
    - ACTIVEMQ_PASSWORD=admin

install​

# install
curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"  | bash

kustomize build | kubectl apply -f -

config tpl​

# kustomization.yaml
namespace: gimc-prod
generatorOptions:
  # disableNameSuffixHash: true
  labels:
    type: generated
  annotations:
    note: generated
configMapGenerator:
  - name: gimc-cfgs
    files:
      - pii.yml
  - name: ept-env
    literals:
      - MYSQL_DB_NAME=gimc-prod
secretGenerator:
  - name: gimc-https
    files:
      - tls.key
      - tls.crt