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m8in
50 lines
1.2 KiB
Bash
Executable File
50 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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source /cis/core/base.module.sh
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function listSnapshotsToDestroy() {
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local _FILESYSTEM _SNAPSHOT
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_SNAPSHOT="${1:?"Missing first parameter SNAPSHOT"}"
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_FILESYSTEM="$(echo ${_SNAPSHOT} | cut -d@ -f1)"
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readonly _FILESYSTEM _SNAPSHOT
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for _CURRENT in $(zfs list -Ho name -s creation -t snapshot "${_FILESYSTEM:?"Missing first parameter FILESYSTEM"}")
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do
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[ -z "${_CURRENT}" ] \
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&& return 1
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[ "${_SNAPSHOT}" == "${_CURRENT}" ] \
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&& break
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echo "${_CURRENT}"
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done
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return 0
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}
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function main() {
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local _SNAPSHOT
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_SNAPSHOT="${1:?"Missing first parameter SNAPSHOT"}"
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readonly _SNAPSHOT
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! echo "${_SNAPSHOT}" | grep -q "@" \
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&& echo "This is not a snapshot: ${_SNAPSHOT}" \
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&& return 1
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! zfs list "${_SNAPSHOT}" &> /dev/null \
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&& echo "The snapshot does not exist: ${_SNAPSHOT}" \
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&& return 1
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listSnapshotsToDestroy "${_SNAPSHOT}" | xargs -r -p -n1 zfs destroy \
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&& return 0
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return 1
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}
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base.set SNAPSHOT "${1}" '^[-0-9a-zA-Z_/]@[-0-9a-zA-Z_:.]'
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main "${SNAPSHOT:?"Missing first parameter SNAPSHOT"}" && exit 0
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echo "Something went wrong."
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exit 1
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