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rs-backup-suite
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Add support for Synology DSM, make user group configurable and create it if it does not exist

This commit is contained in:
Janek Bevendorff 2014-09-15 18:01:55 +02:00
parent bb74287f66
commit c01c60bab2
2 changed files with 50 additions and 4 deletions
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3
server/etc/rs-backup/server-config.example
View File

@ -1,6 +1,9 @@
# Base directory for all backups
BACKUP_ROOT="/bkp"
# Backup user group
USER_GROUP="backup"
# Directory containing the actual backup files (relative to BACKUP_ROOT/<user>)
FILES_DIR="files"

51
server/usr/sbin/rs-add-user
View File

@ -20,14 +20,57 @@ remote_username="$2"
ssh_key_file="$3"
local_username="${remote_hostname}-${remote_username}"
useradd -G backup -b "${BACKUP_ROOT}" -m -k /etc/rs-skel -p '*' -s /bin/bash "${local_username}"
rs-update-passwd
# Generate config files from templates
# config template variables
USERNAME="${local_username}"
GROUPNAME="${local_username}"
HOME_DIR="${BACKUP_ROOT}/${local_username}"
# Detect distribution
distribution=$(rs-detect-distribution)
# Synology DSM
if [[ "Synology" == ${distribution} ]]; then
GROUPNAME="users"
# Create group if it does not exist
synogroup --get "${USER_GROUP}" > /dev/null 2>&1
if [ $? -ne 0 ]; then
synogroup --add "${USER_GROUP}" > /dev/null
synogroup --descset "${USER_GROUP}" "rs-backup group" > /dev/null
fi
# Create (disabled) user
synouser --add "${USERNAME}" "" "" 1 "" 0
sed -i "s:^\(${USERNAME/./\\.}\)\:[^\:]*\::\1\:*\::" /etc/shadow
# Re-enable user, set description
synouser --modify "${USERNAME}" "rs-backup user" 0 ""
# Add user to group (Synology Y U so complicated?!)
members=$(synogroup --get "${USER_GROUP}" | grep -o "^[0-9]\+:\[.\+\]\$" | sed "s/[0-9]\+:\[\(.\+\)\]/\1/g")
synogroup --member "${USER_GROUP}" "${USERNAME}" ${members} > /dev/null
# Set correct home dir and shell
sed -i "s:^\(${USERNAME/./\\.}\:.\+\:\)[^\:]\+\:/sbin/nologin\$:\1${HOME_DIR//:/\:}\:/bin/ash:" /etc/passwd
# Create home dir
rmdir "/var/services/homes/${USERNAME}"
cp -R /etc/rs-skel "${HOME_DIR}"
chmod 0700 "${HOME_DIR}"
chown -R "${USERNAME}:${GROUPNAME}" "${HOME_DIR}"
# "Normal" Linux systems
else
# Create group if it does not exist
if ! grep -q "^${USER_GROUP}:" /etc/group; then
groupadd "${USER_GROUP}"
fi
useradd -G "${USER_GROUP}" -b "${BACKUP_ROOT}" -m -k /etc/rs-skel -p '*' -s /bin/bash -c "rs-backup user" "${local_username}"
fi
rs-update-passwd
# Generate config files from templates
rsync_conf="$(cat /etc/rs-backup/rsync.conf.template)"
rsnapshot_conf="$(cat /etc/rs-backup/rsnapshot.conf.template)"