35 lines
900 B
Bash
Executable File
35 lines
900 B
Bash
Executable File
#!/bin/sh
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read -r disk_name
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set -e
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case $disk_name in
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private)
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# force some read to refresh device size
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head /dev/xvdb > /dev/null
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resize2fs /dev/xvdb
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;;
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root)
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# force some read to refresh device size
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head /dev/xvda > /dev/null
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if [ "$(stat -Lc %t /dev/mapper/dmroot)" != "ca" ]; then
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new_size=$(cat /sys/block/xvda/size)
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ro=$(/sys/block/xvda/ro)
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if [ "$ro" -eq 1 ]; then
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new_table="0 $new_size snapshot /dev/xvda /dev/xvdc2 N 16"
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else
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new_table="0 $new_size linear /dev/xvda 0"
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fi
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dmsetup load dmroot --table "$new_table"
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dmsetup resume dmroot
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fi
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resize2fs /dev/mapper/dmroot
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;;
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*)
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echo "Automatic resize of '$disk_name' not supported" >&2
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exit 1
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;;
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esac
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