theshire/kubernetes/tools/wipeone.yaml

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---
apiVersion: v1
kind: Pod
metadata:
name: disk-wipe-one
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namespace: kube-system
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spec:
restartPolicy: Never
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nodeName: shadowfax
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containers:
- name: disk-wipe
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image: docker.io/library/alpine:3.19.1
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securityContext:
privileged: true
resources: {}
env:
- name: CEPH_DISK
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value: "/dev/nvme2n1"
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command:
[
"/bin/sh",
"-c"
]
args:
- apk add --no-cache sgdisk util-linux parted;
sgdisk --zap-all $CEPH_DISK;
blkdiscard $CEPH_DISK;
dd if=/dev/zero bs=1M count=1000 oflag=direct of=$CEPH_DISK;
partprobe $CEPH_DISK;
volumeMounts:
- mountPath: /mnt/host_var
name: host-var
volumes:
- name: host-var
hostPath:
path: /var