68 lines
1.8 KiB
Bash
Executable File
68 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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function print {
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echo >&2 "riju-init-volume: $@"
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}
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mount_point=/mnt/riju/data
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mkdir -p "${mount_point}"
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disks="$(lsblk -l -d -b -o name,size | grep -Ev 'loop|NAME')"
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num_disks="$(wc -l <<< "${disks}")"
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if [[ "${num_disks}" != 2 ]]; then
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print "found unexpected number of disks from lsblk:"
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printf >&2 '%s\n' "${disks}"
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exit 1
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fi
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disk="$(sort -n -k2 <<< "${disks}" | tail -n1 | awk '{ print $1 }')"
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print "identified data volume: ${disk}"
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num_parts="$(lsblk -l -o name | (grep "${disk}." || true) | wc -l)"
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print "volume has ${num_parts} partition(s)"
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if [[ "${num_parts}" != 1 ]]; then
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print "repartitioning so we have exactly one partition"
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sfdisk -X gpt "/dev/${disk}" <<< ";"
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print "waiting for 1 second so that partitions show up in /dev"
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sleep 1
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fi
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part="$(lsblk -l -o name | (grep "${disk}." || true) | head -n1)"
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print "identified data partition: ${part}"
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if ! blkid "/dev/${part}" | grep -q "\bUUID="; then
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print "no filesystem detected; initializing with ext4"
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mkfs.ext4 "/dev/${part}"
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fi
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blkid_env="$(blkid /dev/${part} -o export)"
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uuid="$(eval "${blkid_env}"; echo "${UUID}")"
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print "identified filesystem UUID: ${uuid}"
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if ! cat /etc/fstab | grep -q "${uuid}"; then
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print "filesystem not listed in /etc/fstab; appending"
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cat <<EOF >> /etc/fstab
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UUID=${uuid} ${mount_point} ext4 defaults 0 2
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EOF
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fi
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mount -a
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print "filesystem mounted at ${mount_point}"
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docker_args="-g ${mount_point}"
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if ! cat /lib/systemd/system/docker.service | grep -q -- "${docker_args}"; then
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print "adding '${docker_args}' to docker.service"
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sed -Ei "s|ExecStart=.+|& ${docker_args}|" /lib/systemd/system/docker.service
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print "restarting Docker daemon"
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systemctl daemon-reload
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systemctl restart docker
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fi
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