Kubernetes Storage
Manage Kubernetes storage using kubectl-mcp-server's storage tools.
Persistent Volume Claims (PVCs)
python
# List PVCs
get_pvcs(namespace="default")
# Get PVC details
describe_pvc(name="my-pvc", namespace="default")
# Create PVC
kubectl_apply(manifest="""
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: my-pvc
namespace: default
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 10Gi
storageClassName: standard
""")
# Delete PVC
kubectl_delete(resource_type="pvc", name="my-pvc", namespace="default")
Storage Classes
python
# List storage classes get_storage_classes() # Get default storage class get_storage_classes() # Look for: storageclass.kubernetes.io/is-default-class: "true" # Create storage class kubectl_apply(manifest=""" apiVersion: storage.k8s.io/v1 kind: StorageClass metadata: name: fast-ssd provisioner: kubernetes.io/gce-pd parameters: type: pd-ssd reclaimPolicy: Delete volumeBindingMode: WaitForFirstConsumer """)
Persistent Volumes
python
# List PVs get_persistent_volumes() # Get PV details describe_persistent_volume(name="pv-001") # Check PV status # - Available: Ready to be bound # - Bound: Claimed by a PVC # - Released: PVC deleted, not yet reclaimed # - Failed: Reclamation failed
Volume Snapshots
python
# Create volume snapshot
kubectl_apply(manifest="""
apiVersion: snapshot.storage.k8s.io/v1
kind: VolumeSnapshot
metadata:
name: my-snapshot
namespace: default
spec:
volumeSnapshotClassName: csi-snapclass
source:
persistentVolumeClaimName: my-pvc
""")
# Restore from snapshot
kubectl_apply(manifest="""
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: restored-pvc
spec:
dataSource:
name: my-snapshot
kind: VolumeSnapshot
apiGroup: snapshot.storage.k8s.io
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 10Gi
""")
Troubleshooting Storage
python
# PVC stuck in Pending? describe_pvc(name="my-pvc", namespace="default") # Check events for: # - No matching storage class # - Insufficient capacity # - Volume binding mode # Pod stuck waiting for volume? get_events(namespace="default") describe_pod(name="my-pod", namespace="default")
Related Skills
- •k8s-backup - Velero backup/restore
- •k8s-operations - kubectl apply/patch