helm repo add metallb https://metallb.github.io/metallb
helm repo update && helm repo list
kubectl config get-contexts
Config
export KUBECONFIG="${HOME}/.kube/dev-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/gcp-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/config"
Install
helm show values metallb/metallb --version=0.14.8|less
helm show values metallb/metallb --version=0.14.9|less
kubectl get ns|grep metallb-system
kubectl delete ns metallb-system
kubectl get ns|grep metallb-system
kubectl create ns metallb-system
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cat <<YML | helm -n=metallb-system install metallb metallb/metallb --version=0.14.9 -f=-
---
installCRDs: true
fullnameOverride: metallb
YML
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cat << YML | kubectl -n=metallb-system apply -f=-
---
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
name: metallb-ip-pool
namespace: metallb-system
spec:
addresses:
- 192.168.49.100-192.168.49.200
---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
name: metallb-l2-ad
namespace: metallb-system
spec:
ipAddressPools:
- metallb-ip-pool
YML
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Uninstall
helm uninstall -n=metallb-system metallb
kubectl delete namespace metallb
Playground
kubectl get pods -n metallb-system -o=yaml|yq -r .items[].spec.containers[].image|awk -F @ '{printf("%s\n", $1)}'|sort -h
kubectl -n=metallb-system logs -f svc/metallb-webhook-service -c=controller
kubectl -n=metallb-system logs -f svc/metallb-webhook-service
kubectl -n=metallb-system describe L2Advertisement metallb-l2-ad
kubectl -n=metallb-system get L2Advertisement
kubectl -n=metallb-system describe IPAddressPool metallb-ip-pool
kubectl -n=metallb-system get IPAddressPool
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docker network prune -f
docker volume prune -f
docker system prune -f
docker image ls
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cat <<'EXE' | bash
for d in system network volume
do docker ${d} prune -f;done
EXE
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cat <<'EXE' | ssh [email protected]
for d in system network volume
do docker ${d} prune -f;done
EXE
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systemctl stop minikube.service
systemctl status minikube.service
systemctl restart minikube.service
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systemctl stop minikube-tunnel.service
systemctl status minikube-tunnel.service
systemctl restart minikube-tunnel.service
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systemctl status network-online.target
systemctl status containerd.service
systemctl status docker.service
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minikube addons disable metallb
minikube addons enable metallb
minikube addons list
minikube status
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sudo journalctl -xeu minikube-tunnel
sudo journalctl -xeu minikube
sudo -i -u minikube
minikube ssh
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References