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overlay/ignition-ostree-mount-sysroot: Only use prjquota on XFS #206

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Merged
cgwalters merged 1 commit into from
Oct 28, 2019
Merged

overlay/ignition-ostree-mount-sysroot: Only use prjquota on XFS #206

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17 changes: 13 additions & 4 deletions overlay.d/05core/usr/lib/dracut/modules.d/40ignition-ostree/ignition-ostree-mount-sysroot.sh
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Original file line number Diff line number Diff line change
@@ -1,7 +1,16 @@
#!/bin/bash
set -euo pipefail

# Today this is trivial, but in the future this will require integration
# with Ignition.
mountflags=prjquota
mount -o "${mountflags}" /dev/disk/by-label/root /sysroot
# We use prjquota on XFS by default to aid multi-tenant
# Kubernetes (and other container) clusters. See
# https://github.com/coreos/coreos-assembler/pull/303/commits/6103effbd006bb6109467830d6a3e42dd847668d
# In the future this will be augmented with a check for whether
# or not we've reprovisioned the rootfs, since we don't want to
# force on prjquota there.
rootpath=/dev/disk/by-label/root
eval $(blkid -o export ${rootpath})
mountflags=
if [ "${TYPE}" == "xfs" ]; then
mountflags=prjquota
fi
mount -o "${mountflags}" "${rootpath}" /sysroot