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| author | Paul Buetow <paul@buetow.org> | 2026-05-25 23:24:24 +0300 |
|---|---|---|
| committer | Paul Buetow <paul@buetow.org> | 2026-05-25 23:24:24 +0300 |
| commit | d161a7ab3de01e6834cc99db2b1e29cf9f3cf843 (patch) | |
| tree | e0ba1601e4c8c84c0ec28e4e270a1c92254fe790 | |
| parent | 85dbcf55e51fbaab3719b148d5c5fb7d2586fdc2 (diff) | |
example-apache-volume-claim: add NFS sentinel initContainer check
Adds the standard nfs-check initContainer to verify the sentinel file
exists before the main Apache container starts. Prevents silent fall-back
to local XFS when NFS is unmounted on the node.
| -rw-r--r-- | f3s/example-apache-volume-claim/helm-chart/templates/apache-deployment.yaml | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/f3s/example-apache-volume-claim/helm-chart/templates/apache-deployment.yaml b/f3s/example-apache-volume-claim/helm-chart/templates/apache-deployment.yaml index 78706a3..a900f07 100644 --- a/f3s/example-apache-volume-claim/helm-chart/templates/apache-deployment.yaml +++ b/f3s/example-apache-volume-claim/helm-chart/templates/apache-deployment.yaml @@ -14,6 +14,23 @@ spec: labels: app: apache spec: + initContainers: + - name: nfs-check-apache-htdocs + 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: apache-htdocs + mountPath: /mnt + readOnly: true containers: - name: apache image: httpd:latest |