container.adoc

Containers

rsync -r --copy-links -e "ssh -i $(minikube ssh-key)" docker@$(minikube ip):/var/log/containers/old/* .

Docker

docker login <server-name> --username <user> --password <pass>

docker exec -it <container> /bin/bash

docker pull <image>

docker export <image> > latest.tar
docker cp <image>:<path>

docker run <image>
docker run <image> --volume $PWD:$PWD --workdir $PWD
docker run -ti --rm <image>
docker container stop <container-name>

docker attach <name or id>

docker swarm init
docker swarm leave --force

docker stack deploy -c docker-compose.yml <stack>
docker stack rm getstartedlab

docker image ls
docker container ls --all
docker node ls
docker service ls
docker service ps <service>

docker inspect <imageid>

docker rm $(docker ps -a -q)
docker rmi $(docker images -q)

Kubernetes

kubectl config view
kubectl config current-context
kubectl config use-context <context>
kubectl config set-context --current --namespace=$USER

kubectl create secret docker-registry <name> --docker-server=<server> --docker-username <user> --docker-password <pass>

kubectl get pod -o wide --all-namespaces
kubectl get service -o wide --all-namespaces
kubectl get ingress -o wide --all-namespaces

kubectl get nodes -o wide # get IPs
kubectl get service -o wide # get PORTs for NodePort

kubectl exec -it <POD_NAME> nslookup <ClusterIP> # find out dns name from cluster ip

kubectl describe node # find out node ip address

kubectl describe services ingress-nginx --namespace=ingress-nginx

kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ include "echoserver.name" . }}" -o jsonpath="{.items[0].metadata.name}"
kubectl exec -ti $(kubectl get pods -o name | grep -m1 {{ include $fullname }} | cut -d'/' -f 2) -- /bin/sh

kubectl apply -f deployment.yaml
kubectl get pods
kubectl logs -f POD-NAME

kubectl apply -f service.yaml
kubectl get service


kubectl get secrets
kubectl describe secrets/<secret_name>

kubectl create secret docker-registry <some-name> --docker-server=<docker-server-uri> --docker-username=<username> --docker-password=<pass>

kubectl scale deployment <deployment-name> --replicas=1

Helm

helm init
helm ls --all

helm repo list
helm repo add <name> <url>
helm repo add <name> <repo-url> --username <name> --password <password>

helm search repo --devel <search-term>

help pull <chart-name> --version 0.2.0-301

helm update
helm fetch <chart-name> --version 0.2.0-201

helm create <chart-name>
helm lint <chart-directory>
helm template <chart-directory> # render the template locally, without a Tiller Server
helm install --dry-run --debug <chart-directory>

helm install --name <chart> <chart-name> --version 0.2.0-260 --dry-run --debug
helm install --name <chart> <chart-name> --version 0.2.0-260 --debug --set global.pullSecret=<dockerkey>

helm install --name <chart-name> <chart-local-path>
helm upgrade <chart-name> <chart-local-path>
helm delete --purge <chart-name>
helm rollback <chart-name> 1 # rollback to previous version

helm get manifest <release-name>

helm package <chart-local-path>