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Add fsfreeze support for QEMU/KVM/Proxmox installations (#2781)

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* Add fsfreeze support for QEMU/KVM/Proxmox installations

Add fsfreeze scripts which calls the new Supervisor API to freeze Home
Assistant Core and add-ons which support the backup freeze scripts
(`backup_pre` and `backup_post`).

This allows to create safe snapshots with databases running.

* Fix lint issues
This commit is contained in:
Stefan Agner 2023-10-02 08:30:20 +02:00 committed by GitHub
parent a72c6c0322
commit 893a49a3f3
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2 changed files with 18 additions and 0 deletions
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3
buildroot-external/rootfs-overlay/usr/lib/systemd/system/qemu-guest.service.d/haos.conf Normal file
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[Service]
ExecStart=
ExecStart=/usr/libexec/qemu-ga -m virtio-serial -p /dev/virtio-ports/org.qemu.guest_agent.0 --fsfreeze-hook /usr/libexec/haos-freeze-hook

15
buildroot-external/rootfs-overlay/usr/libexec/haos-freeze-hook Executable file
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#!/bin/sh
set -e
action="$1"
if [ "${action}" = "freeze" ]; then
echo "File system freeze requested, freezing Home Assistant"
ha backups freeze
elif [ "${action}" = "thaw" ]; then
echo "File system thaw requested, thawing Home Assistant"
ha backups thaw
else
echo "Unknown action ${action}"
fi