kubectl describe secret
에서는 등록된 내용이 표시되지 않으나, 컨피그맵의 경우 kubectl describe configmap
으로 내용이 표시된다.
$ kubectl create configmap nginx-conf --from-file=tls.conf $ kubectl get configmap nginx-conf $ kubectl describe configmap nginx-conf Name: nginx-conf Namespace: default Labels: <none> Annotations: <none> Data ==== tls.conf: ---- ssl_protocols TLSv1 TLSv1.1 TLSv1.2; server { listen 443 ssl; server_name www.sample.com; ssl_certificate /etc/cert/tls.crt; ssl_certificate_key /etc/cert/tls.key; location / { root /usr/share/nginx/html; index index.html index.htm; } } BinaryData ==== Events: <none>
apiVersion: v1 kind: ConfigMap metadata: name: env-config data: log_level: INFO
apiVersion: v1 kind: Pod metadata: name: web-apl spec: containers: - name: web image: nginx env: - name: LOG_LEVEL ## 컨테이너 환경 변수명 valueFrom: configMapKeyRef: name: env-config ## 컨피그맵명 key: log_level ## 키 항목
$ kubectl apply -f cm-env.yml $ kubectl apply -f cm-env-read.yml $ kubectl exec -it web-apl env kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead. PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin HOSTNAME=web-apl TERM=xterm LOG_LEVEL=INFO KUBERNETES_SERVICE_PORT=443 KUBERNETES_SERVICE_PORT_HTTPS=443 KUBERNETES_PORT=tcp://10.96.0.1:443 KUBERNETES_PORT_443_TCP=tcp://10.96.0.1:443 KUBERNETES_PORT_443_TCP_PROTO=tcp KUBERNETES_PORT_443_TCP_PORT=443 KUBERNETES_PORT_443_TCP_ADDR=10.96.0.1 KUBERNETES_SERVICE_HOST=10.96.0.1 NGINX_VERSION=1.21.3 NJS_VERSION=0.6.2 PKG_RELEASE=1~buster HOME=/root