K8s/Run: Difference between revisions
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| Line 91: | Line 91: | ||
kind: PersistentVolume | kind: PersistentVolume | ||
metadata: | metadata: | ||
name: | name: swiss-knife-${USER}-pv | ||
spec: | spec: | ||
storageClassName: standard | storageClassName: standard | ||
capacity: | capacity: | ||
storage: 10Gi | storage: 10Gi | ||
accessModes: | |||
- ReadWriteOnce | |||
hostPath: | hostPath: | ||
path: /tmp/hostpath-provisioner/swiss-knife/swiss-knife-${USER}-pvc | path: /tmp/hostpath-provisioner/swiss-knife/swiss-knife-${USER}-pvc | ||
--- | --- | ||
apiVersion: v1 | apiVersion: v1 | ||
kind: PersistentVolumeClaim | kind: PersistentVolumeClaim | ||
metadata: | metadata: | ||
labels: | |||
app.kubernetes.io/name: swiss-knife-${USER} | |||
name: swiss-knife-${USER}-pvc | name: swiss-knife-${USER}-pvc | ||
spec: | spec: | ||
storageClassName: standard | storageClassName: standard | ||
accessModes: | accessModes: | ||
- ReadWriteOnce | |||
resources: | resources: | ||
requests: | requests: | ||
| Line 122: | Line 122: | ||
cat << YML | kubectl -n swiss-knife apply -f - | cat << YML | kubectl -n swiss-knife apply -f - | ||
--- | --- | ||
| Line 140: | Line 138: | ||
kind: PersistentVolumeClaim | kind: PersistentVolumeClaim | ||
metadata: | metadata: | ||
labels: | |||
app.kubernetes.io/name: swiss-knife-${USER} | |||
name: swiss-knife-${USER}-pvc | name: swiss-knife-${USER}-pvc | ||
spec: | spec: | ||
storageClassName: standard | storageClassName: standard | ||
accessModes: | accessModes: | ||
- ReadWriteOnce | |||
resources: | resources: | ||
requests: | requests: | ||
| Line 217: | Line 217: | ||
kubectl -n swiss-knife delete svc swiss-knife-${USER} | kubectl -n swiss-knife delete svc swiss-knife-${USER} | ||
kubectl -n swiss-knife delete pvc swiss-knife-${USER}-pvc | kubectl -n swiss-knife delete pvc swiss-knife-${USER}-pvc | ||
kubectl | kubectl delete pv swiss-knife-${USER}-pv | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 22:30, 27 August 2024
export KUBECONFIG="${HOME}/.kube/lke-dev-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/gke-uat-kubeconfig.yaml"
export KUBECONFIG="${HOME}/.kube/eks-pro-kubeconfig.yaml"
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export KUBECONFIG="${HOME}/.kube/config"
kubectl config get-contexts
kubectl cluster-info
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kubectl get ns|grep swiss-knife
kubectl delete ns swiss-knife
kubectl create ns swiss-knife
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Run
Run » PSQL
kubectl -n swiss-knife run -i --tty --rm psql --image=alpine --restart=Never -- sh
echo -n password: ;read -s PGPASSWORD;export PGPASSWORD;echo
apk --update add postgresql-client inetutils-telnet
psql -d postgres -U postgres -h postgresql.postgresql
Run » Infinity
kubectl -n swiss-knife run infinity --image=alpine -- sleep infinity
kubectl -n swiss-knife exec -it infinity -- sh
apk --update add inetutils-telnet
Run » Redis CLI
kubectl -n swiss-knife run -i --tty --rm redis-cli --image=alpine --restart=Never -- sh
echo -n password: ;read -s REDISCLI_AUTH;export REDISCLI_AUTH;echo
apk --update add redis inetutils-telnet
echo 'ping'|redis-cli -h redis-headless.redis
Run » MinIO CLI
kubectl -n swiss-knife run -i --tty --rm minio-cli --image=alpine --restart=Never -- sh
apk --update add minio-client inetutils-telnet
echo -n password: ;\
read -s MINIO_SERVER_ROOT_PASSWORD;\
export MINIO_SERVER_ROOT_PASSWORD;\
export MINIO_SERVER_ROOT_USER=admin;\
export MINIO_SERVER_HOST=minio.k8s.local;echo
mcli ping --error-count 5 minio.minio
mcli ping --count 5 minio.minio
telnet minio.minio 9000
telnet minio.minio 9001
Apply
Apply » Minikube » USER
|
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|
PV » Manual |
PV » Dynamic |
Service & Deployment |
cat << YML | kubectl -n swiss-knife apply -f -
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: swiss-knife-${USER}-pv
spec:
storageClassName: standard
capacity:
storage: 10Gi
accessModes:
- ReadWriteOnce
hostPath:
path: /tmp/hostpath-provisioner/swiss-knife/swiss-knife-${USER}-pvc
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
labels:
app.kubernetes.io/name: swiss-knife-${USER}
name: swiss-knife-${USER}-pvc
spec:
storageClassName: standard
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 10Gi
volumeName: swiss-knife-${USER}-pv
YML
|
cat << YML | kubectl -n swiss-knife apply -f -
---
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
labels:
app.kubernetes.io/name: swiss-knife-${USER}
name: swiss-knife-${USER}-pvc
spec:
storageClassName: standard
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 10Gi
YML
|
cat << YML | kubectl -n swiss-knife apply -f -
---
apiVersion: v1
kind: Service
metadata:
name: swiss-knife-${USER}
spec:
ports:
- port: 80
selector:
app: swiss-knife-${USER}
clusterIP: None
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: swiss-knife-${USER}
spec:
selector:
matchLabels:
app: swiss-knife-${USER}
replicas: 1
template:
metadata:
labels:
app: swiss-knife-${USER}
spec:
containers:
- name: nginx
image: nginx:1.27-alpine
ports:
- containerPort: 80
volumeMounts:
- mountPath: /opt/swiss-knife/${USER}
name: ${USER}-data
volumes:
- name: ${USER}-data
persistentVolumeClaim:
claimName: swiss-knife-${USER}-pvc
restartPolicy: Always
YML
|
kubectl -n swiss-knife exec -it svc/swiss-knife-${USER} -c nginx -- sh
kubectl -n swiss-knife exec -it svc/swiss-knife-${USER} -- sh
kubectl -n swiss-knife port-forward svc/swiss-knife-${USER} 1980:80
kubectl -n swiss-knife port-forward svc/swiss-knife-${USER} :80
| ||
kubectl -n swiss-knife delete deploy swiss-knife-${USER}
kubectl -n swiss-knife delete svc swiss-knife-${USER}
kubectl -n swiss-knife delete pvc swiss-knife-${USER}-pvc
kubectl delete pv swiss-knife-${USER}-pv
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Playground
kubectl -n swiss-knife delete pods minio-cli
kubectl -n swiss-knife delete pods redis-cli
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kubectl -n swiss-knife delete pods infinity
kubectl -n swiss-knife delete pods psql
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kubectl -n swiss-knife run infinity --image=alpine -- sleep infinity
kubectl -n swiss-knife run ubuntu --image=ubuntu -- sleep infinity
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References
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