diff options
Diffstat (limited to 'borg-family-0.1/src')
| -rwxr-xr-x | borg-family-0.1/src/etc/bfhooks | 27 | ||||
| -rw-r--r-- | borg-family-0.1/src/etc/confvars | 5 | ||||
| -rw-r--r-- | borg-family-0.1/src/etc/excludes.d/home | 4 | ||||
| -rw-r--r-- | borg-family-0.1/src/etc/excludes.d/rootfs | 5 | ||||
| -rwxr-xr-x | borg-family-0.1/src/sbin/bfenv | 31 | ||||
| -rwxr-xr-x | borg-family-0.1/src/sbin/bfrun | 29 | ||||
| -rwxr-xr-x | borg-family-0.1/src/sbin/bfwhat | 24 |
7 files changed, 125 insertions, 0 deletions
diff --git a/borg-family-0.1/src/etc/bfhooks b/borg-family-0.1/src/etc/bfhooks new file mode 100755 index 0000000..5b6b204 --- /dev/null +++ b/borg-family-0.1/src/etc/bfhooks @@ -0,0 +1,27 @@ +#!/bin/bash -e +mount_bind_rootfs() { + if ! mount | grep -q /rootfs; then + mkdir -p /rootfs + mount --bind / /rootfs + fi +} + +umount_bind_rootfs() { + if mount | grep -q /rootfs; then + umount /rootfs || lsof -n | grep /rootfs + rmdir /rootfs + fi +} + +case $1 in + before) + case $2 in + rootfs) apt-get clean || true; mount_bind_rootfs;; + esac + ;; + after) + case $2 in + rootfs) umount_bind_rootfs ;; + esac + ;; +esac diff --git a/borg-family-0.1/src/etc/confvars b/borg-family-0.1/src/etc/confvars new file mode 100644 index 0000000..f737648 --- /dev/null +++ b/borg-family-0.1/src/etc/confvars @@ -0,0 +1,5 @@ +# This file is used by bfenv and bfrun (bash scripts) +borg_init_opts=( -e repokey-blake2 --make-parent-dirs -v ) +borg_check_opts=( --last $((1+$(bfwhat | wc -l) )) -v ) +borg_create_opts=( --one-file-system --compression zstd --exclude-caches --exclude-if-present=NOBACKUPDIR.TAG --keep-exclude-tags --list --filter=AMEi-x --stats --show-rc -v ) +quiet=0 diff --git a/borg-family-0.1/src/etc/excludes.d/home b/borg-family-0.1/src/etc/excludes.d/home new file mode 100644 index 0000000..c7aead3 --- /dev/null +++ b/borg-family-0.1/src/etc/excludes.d/home @@ -0,0 +1,4 @@ +**/.cache/* +/home/*/.mozilla/**/datareporting +/home/*/.thunderbird/**/global-messages-db.sqlite +/home/*/.thunderbird/**/ImapMail diff --git a/borg-family-0.1/src/etc/excludes.d/rootfs b/borg-family-0.1/src/etc/excludes.d/rootfs new file mode 100644 index 0000000..b61797b --- /dev/null +++ b/borg-family-0.1/src/etc/excludes.d/rootfs @@ -0,0 +1,5 @@ +/rootfs/var/cache/apt/* +**/.cache/* +/rootfs/home/*/.mozilla/**/datareporting +/rootfs/home/*/.thunderbird/**/global-messages-db.sqlite +/rootfs/home/*/.thunderbird/**/ImapMail diff --git a/borg-family-0.1/src/sbin/bfenv b/borg-family-0.1/src/sbin/bfenv new file mode 100755 index 0000000..756ef62 --- /dev/null +++ b/borg-family-0.1/src/sbin/bfenv @@ -0,0 +1,31 @@ +#!/bin/bash +umask 0077 +source /etc/borg-family/confvars +source /etc/borg-family/envvars +PATH="/etc/borg-family:$PATH" + +if [ \! -r /etc/borg-family/passphrase ]; then + echo "No passphrase (repokey) found, creating a new one" >&2 + touch /etc/borg-family/passphrase + chmod 600 /etc/borg-family/passphrase + pwgen 32 1 >> /etc/borg-family/passphrase + ls -l /etc/borg-family/passphrase >&2 + echo "You NEED to store it in a password manager to be able to restore backups" >&2 +fi + +if [ \! -r /etc/borg-family/id_rsa_borg ]; then + echo "No SSH key found, creating a new one" >&2 + ssh-keygen -N "" -C "$(id -un)_borg@$(hostname)" -f /etc/borg-family/id_rsa_borg \ + && cat /etc/borg-family/id_rsa_borg.pub +fi + +borg init "${borg_init_opts[@]}" 2>&1 | grep -vE '^A repository already exists' >&2 + +if ! borg check "${borg_check_opts[@]}"; then + echo "Showing BORG_* env variables (see /etc/borg-family/envvars) :" >&2 + env | grep ^BORG_ >&2 + echo "End of BORG_* env variables" >&2 + echo >&2 + echo "Can't access to or check the borg repository, exiting, no backup made" >&2 + exit 1 +fi diff --git a/borg-family-0.1/src/sbin/bfrun b/borg-family-0.1/src/sbin/bfrun new file mode 100755 index 0000000..c02187a --- /dev/null +++ b/borg-family-0.1/src/sbin/bfrun @@ -0,0 +1,29 @@ +#!/bin/bash +source bfenv +bfwhat | while IFS=' ' read -r mpe dev; do + mp=$(echo -e "$mpe") # mp: interpret escapings that may be present in /proc/mounts (\040 for space...) + name=${mp// /_}; # name: replace space by underscore + name=${mp//\//-}; name=${name/-/} # name: replace slash by dash, remove the leading one + if [[ "$mp $name $dev" =~ "--" || "$mp $name $dev" =~ ".." || "$mp $name $dev" =~ "[|&;()<>]" ]]; then + echo "Skipping $mpe because of shell unsafe characters" >&2 + continue + fi + + comment=$(blkid -- "$dev") + if [ -r "/etc/borg-family/excludes.d/$name" ]; then + runtime_args=( --comment="$comment" --exclude-from="/etc/borg-family/excludes.d/$name" ) + else + runtime_args=( --comment="$comment" ) + fi + + bfhooks before "$name" && \ + borg create "${runtime_args[@]}" "${borg_create_opts[@]}" "::{hostname}-$name-{now:%Y-%m-%d}" "$mp" + rc1=$? + bfhooks after "$name" + rc2=$? + if [ "$rc1" -ne 0 -o "$rc2" -ne 0 ]; then + echo "Errors during $name backup, return codes $rc1 (bfhook before && borg create) and $rc2 (bfhook after)" >&2 + else + [ "x$quiet" == "x1" ] || echo "Success for $name backup" + fi +done diff --git a/borg-family-0.1/src/sbin/bfwhat b/borg-family-0.1/src/sbin/bfwhat new file mode 100755 index 0000000..bf9cf4d --- /dev/null +++ b/borg-family-0.1/src/sbin/bfwhat @@ -0,0 +1,24 @@ +#!/bin/bash +what-from-proc-mounts() { + # Special case for "/", show it as /rootfs (see hook_* files). Helps saving initial /dev nodes files behind udev + awk '( $2 == "/" ) { print "/rootfs",$1 }' /proc/mounts + + # Backup all non "/", non-removable, mounted filesystems which device is also shown in /sys/block + tmp=$(mktemp) + grep 0 /sys/block/*/removable | sed -e 's#^/sys/block#^/dev#' -e 's#/removable:0$##' >> "$tmp" + grep -Ef "$tmp" /proc/mounts | awk '( $2 !~ /^\/(rootfs|$)/ ) { print $2,$1 }' + rm -- "$tmp" +} + +if [ -r /etc/borg-family/what.override ]; then + cat /etc/borg-family/what.override +else + if [ -r /etc/borg-family/what.include ]; then + cat /etc/borg-family/what.include + fi + if [ -r /etc/borg-family/what.exclude ]; then + what-from-proc-mounts | grep -vEf /etc/borg-family/what.exclude + else + what-from-proc-mounts + fi +fi |