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apiVersion: apps/v1
kind: Deployment
metadata:
name: koreader-sync-server
spec:
replicas: 1
# Recreate so the old pod fully terminates before the new one starts —
# avoids NFS-lock races on the hostPath-backed PVC during rolling updates.
strategy:
type: Recreate
selector:
matchLabels:
app: koreader-sync-server
template:
metadata:
labels:
app: koreader-sync-server
spec:
initContainers:
- name: nfs-check-data
image: busybox:stable
command:
- sh
- -c
- |
test -f /mnt/.nfs-sentinel || (
echo "ERROR: NFS sentinel missing at /mnt/.nfs-sentinel"
echo "refusing to start; node likely has NFS unmounted"
echo "pod would otherwise bind-mount the local-XFS shadow"
exit 1
)
volumeMounts:
- name: data
mountPath: /mnt
readOnly: true
containers:
- name: koreader-sync-server
image: koreader/kosync:latest
ports:
- containerPort: 17200
volumeMounts:
- name: data
mountPath: /var/lib/redis
volumes:
- name: data
persistentVolumeClaim:
claimName: koreader-sync-server-data
|
