16 lines
489 B
Plaintext
16 lines
489 B
Plaintext
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#!/bin/bash
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set -eu
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# TODO: resize volume group in response to config changes.
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# TODO: is there a safe way to shrink a volume group?
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vol_group=cinder-volumes
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vol_file=/var/run/cinder/$vol_group-backing-file
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size=$(os-config-applier --key cinder.volume_size_mb --type int)M
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if ! vgs $vol_group; then
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[[ -f $vol_file ]] || truncate -s $size $vol_file
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dev=`sudo losetup -f --show $vol_file`
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if ! vgs $vol_group; then vgcreate $vol_group $dev; fi
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mkdir -p /var/run/cinder/volumes
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fi
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