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Alexandre CATTEAU 2022-03-16 16:23:29 +01:00
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mounts.conf

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README.md Normal file
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# Mounting encrypted volumes helper
crypt-mounts' purpose is to reduce to one the commands needed to mount punctually encrypted volumes.
### Introduction
One defines their mounts in `mounts.conf`, giving for each:
* the mapper name (usually defined in `/etc/crypttab`);
* the mount target path;
* a friendly name for the mount (optional);
* a boolean for enabling auto-locking (i.e. closing encrypted volume when unmounted) or not.
The install script then generates a Systemd mount file for each mount, with the required bindings.
### Files
* `variables.conf.template` contains examples variables definitions, and should be copied locally to `variables.conf`
(with any required modifications).
* `systemd-templates/` contains Systemd units templates for running the script unattended.
#### Installation
* `install.sh` script copies Systemd templates to their destination, and enables conf-sync timer.
### TODO

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[Unit]
BindsTo=PH_MOUNTFILE

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install.sh Executable file
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#!/usr/bin/env bash
source "$(dirname "$0")/mounts.conf"
echo "Copying Systemd units to system directory..."
for mount in $mounts; do
mountfile=$(echo ${mount[target]} | sed -e "s:/:-:g")
mountfile=${mountfile:1}.mount
sudo cp $(dirname "$0")/template.mount /etc/systemd/system/$mountfile
sudo sed -i -e "s/PH_MAPPER/${mount[mapper]}/g" /etc/systemd/system/$mountfile
sudo sed -i -e "s:PH_TARGET:${mount[target]}:g" /etc/systemd/system/$mountfile
if [ "${mount[friendly]}" != '' ]; then
sudo sed -i -e "s/PH_FRIENDLY/${mount[friendly]}/g" /etc/systemd/system/$mountfile
else
sudo sed -i -e "s/PH_FRIENDLY/${mount[mapper]}/g" /etc/systemd/system/$mountfile
fi
if [ ${mount[autlock]} -eq 1 ]; then
sudo cp $(dirname "$0")/close-vault.conf.template \
/etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d/close-vault.conf
sudo sed -i -e "s/PH_MOUNTFILE/$mountfile/g" \
/etc/systemd/system/systemd-cryptsetup@${mount[mapper]}.service.d/close-vault.conf
fi
done
echo "Reloading Systemd..."
sudo systemctl daemon-reload
echo "Finished install. Exiting..."
exit 0

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mounts.conf.template Normal file
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#!/usr/bin/env bash
# Copy this file as mounts.conf, and add your volumes.
declare -A mount1
mount1[mapper]='' # As in /dev/mapper/<?>
mount1[target]='' # Mount point (absolute path)
mount1[friendly]='' # Optional friendly name for unit file Description
mount1[autolock]=0 # Set to 1 to enable autolock
mounts=(
$mount1
#$mount2...
)

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template.mount Normal file
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[Unit]
Description=Mount PH_FRIENDLY Volume
# Below Requisite could be a Wants
Requisite=systemd-cryptsetup@PH_MAPPER.service
After=systemd-cryptsetup@PH_MAPPER.service
[Mount]
What=/dev/mapper/PH_MAPPER
Where=PH_TARGET
Options=rw,relatime