69 lines
1.7 KiB
Bash
69 lines
1.7 KiB
Bash
#!/bin/bash
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#%# family=auto
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: << EOF
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=head1 NAME
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zfs_pool_dataset_count - Outputs the count of zfs pools, datasets and snapshots.
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=head1 AUTHOR
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Michael Grote - git.mgrote.net
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=head1 LICENSE
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GPLv3 or later
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SPDX-License-Identifier: GPL-3.0-or-later
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf
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EOF
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if [ "$1" = "autoconf" ]; then
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if ! command -v zpool &> /dev/null; then
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echo "no (zpool could not be found)"
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else
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echo "yes"
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fi
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exit 0
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fi
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# lese alle pools, sed löscht die erste zeile
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list_pools=$(zpool list | sed 1d)
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if [ "$1" = "config" ]; then
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# https://superuser.com/questions/284187/bash-iterating-over-lines-in-a-variable
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while read -r line; do
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# setze label <pool>.label <pool> snapshots
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echo "$line" | awk '{print $1"_snapshot.label " $1 " snapshots"}'
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echo "$line" | awk '{print $1"_dataset.label " $1 " datasets"}'
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done <<< "$list_pools"
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echo 'pools.label pools'
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# setze optionen
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echo 'graph_title zfs - pool, dataset and snapshot count' # Titelzeile
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echo 'graph_vlabel count' # Text links, hochkant
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echo 'graph_category fs' # Kategorie
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echo "graph_printf %6.0lf"
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echo "graph_args -l 0 --base 1000"
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exit 0
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fi
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# lese jede Zeile der Variable $list
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# tue für jede Zeile
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# "echo" die Zeile, wende awk drauf, Spalte $1/$7
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while read -r line; do
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echo pools.value "$(zpool list | sed 1d | wc -l)"
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# setze poolnamen
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poolname=$(echo "$line" | awk '{ print $1 }')
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# zähle snapshots
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echo "${poolname}_snapshot.value" "$(zfs list -r -t snapshot "$poolname" | sed 1d | wc -l)"
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echo "$poolname""_dataset.value" "$(zfs list -r "$poolname" | sed 1d | wc -l)"
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done <<< "$list_pools"
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exit 0
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