64381e2a04
this also moves out the attempt validation logic from mounts code into volumes. mounts.tryAddMount is also used in backup code
52 lines
1.4 KiB
Bash
Executable File
52 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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set -eu -o pipefail
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if [[ ${EUID} -ne 0 ]]; then
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echo "This script should be run as root." > /dev/stderr
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exit 1
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fi
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if [[ $# -eq 0 ]]; then
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echo "No arguments supplied"
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exit 1
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fi
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if [[ "$1" == "--check" ]]; then
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echo "OK"
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exit 0
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fi
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mount_file_contents="$1"
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timeout="$2" # seconds
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# mount units must be named after the mount point directories they control
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where=$(echo "${mount_file_contents}" | grep "^Where=" | cut -d'=' -f 2)
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mount_filename=$(systemd-escape -p --suffix=mount "$where")
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mount_file="/etc/systemd/system/${mount_filename}"
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# cleanup any previous mount of same name (after midway box crash?)
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if systemctl -q is-active "${mount_filename}"; then
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echo "Previous mount ${mount_filename} active, unmounting"
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# unmounting can fail if a user is cd'ed into the directory. if we go ahead and mount anyway, systemd says "active" because it's referring to the previous mount config
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if ! systemctl stop "${mount_filename}"; then
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echo "Failed to unmount"
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exit 2
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fi
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fi
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echo "$mount_file_contents" > "${mount_file}"
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systemctl daemon-reload
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if ! timeout "${timeout}" systemctl enable --now "${mount_filename}"; then
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echo "Failed to mount"
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exit 3
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fi
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echo "Mount ${mount_filename} succeeded"
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# this has to be done post-mount because permissions come from the underlying mount file system and not the mount point
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chmod 777 "${where}"
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