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Ducky 2023-08-15 04:49:27 +01:00
parent 8d355454ef
commit 229cee2f31
7 changed files with 350 additions and 21 deletions
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12
.gitignore vendored
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@ -27,6 +27,8 @@
# /etc/systemd/system/
!/etc/systemd/system/
/etc/systemd/system/*
!/etc/systemd/system/sh.zio.backup.service
!/etc/systemd/system/sh.zio.backup.timer
!/etc/systemd/system/zio-backup.service
!/etc/systemd/system/zio-backup.timer
@ -41,6 +43,7 @@
# /usr/local/bin/
!/usr/local/bin/
/usr/local/bin/*
!/usr/local/bin/sh.zio.backup
!/usr/local/bin/zio-backup
!/usr/local/bin/zio-libvirt-port-forward
!/usr/local/bin/zio-update-caddy
@ -50,3 +53,12 @@
!/usr/local/libexec/
/usr/local/libexec/*
!/usr/local/libexec/zio-helpers
# /usr/local/libexec/zio/
!/usr/local/libexec/zio/
/usr/local/libexec/zio/*
# /usr/local/libexec/zio/helpers/
!/usr/local/libexec/zio/helpers/
/usr/local/libexec/zio/helpers/*
!/usr/local/libexec/zio/helpers/bash.sh

7
etc/systemd/system/sh.zio.backup.service 100644
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@ -0,0 +1,7 @@
[Unit]
Description=sh.zio.backup
[Service]
User=root
Group=root
ExecStart=/usr/local/bin/sh.zio.backup

5
etc/systemd/system/zio-backup.timer → etc/systemd/system/sh.zio.backup.timer
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@ -1,10 +1,9 @@
[Unit]
Description=Zio Backup (daily)
Description=sh.zio.backup
[Timer]
OnCalendar=daily
OnCalendar=*-*-* 03:00
AccuracySec=1m
RandomizedDelaySec=1h
Persistent=true
[Install]

7
etc/systemd/system/zio-backup.service
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@ -1,7 +0,0 @@
[Unit]
Description=Zio Backup
[Service]
User=root
Group=root
ExecStart=/usr/local/bin/zio-backup

199
usr/local/bin/sh.zio.backup 100755
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@ -0,0 +1,199 @@
#!/usr/bin/env bash
if [[ "$(realpath "$(dirname "$(realpath -s "$0")")/../../../")" == "/" ]]; then
. /usr/local/libexec/zio/helpers/bash.sh
else
. "$(dirname "$(realpath -s "$0")")/../libexec/zio/helpers/bash.sh"
fi
backup_scripts_dir="$(get_config_dir "sh.zio.backup")/scripts"
cache_dir="/var/cache/sh.zio.backup/restic"
secrets_dir="$(get_config_dir "sh.zio.backup")/secrets"
host="$(hostname -s)"
restic_path=""
restic_repo_file="$secrets_dir/restic-repo"
restic_repo_passwd_file="$secrets_dir/restic-repo-passwd"
function download_restic() {
restic_version="$1"
restic_download_url="https://github.com/restic/restic/releases/download/v${restic_version}/restic_${restic_version}_linux_amd64.bz2"
restic_path="/tmp/restic-$restic_version"
restic_archive_path="${restic_path}_$(date +%s).${restic_download_url##*.}"
say info "Downloading Restic ($restic_version)..."
rm -f "$restic_path"
curl -L -s -o "$restic_archive_path" "$restic_download_url"
bzip2 -dc "$restic_archive_path" > "$restic_path"
rm -f "$restic_archive_path"
chmod +x "$restic_path"
if [[ ! "$(echo "$("$restic_path" version)")" == "restic $restic_version"* ]]; then
die "Unexpected output from '$restic_path version'"
fi
}
function invoke_restic() {
command="$1"
args="${@:2}"
case "$(cat "$restic_repo_file")" in
"b2"*)
b2_account_id_file="$secrets_dir/b2-account-id"
b2_account_key_file="$secrets_dir/b2-account-key"
test_file "$b2_account_id_file"
test_file "$b2_account_key_file"
export B2_ACCOUNT_ID="$(cat "$b2_account_id_file")"
export B2_ACCOUNT_KEY="$(cat "$b2_account_key_file")"
;;
*)
die "Repository unsupported ("$(cat "$restic_repo_file")")"
;;
esac
if [[ -z $command ]]; then
say warning "No command specified. Not running"
elif [[ $command == "self-update" ]]; then
say warning "Command 'self-update' not supported. Not running"
else
"$restic_path" \
--cache-dir "$cache_dir" \
--cleanup-cache \
--password-file "$restic_repo_passwd_file" \
--repo "$(cat $restic_repo_file)" \
$command $args
fi
}
function backup_dir() {
path="$1"
args="${@:2}"
if [[ ! -d "$path" ]]; then
say warning "'$path' does not exist. Not backing up"
else
say info "Backing up: $path ➔ $(cat $restic_repo_file)"
invoke_restic \
backup \
--iexclude "__MACOSX" \
--iexclude ".cache" \
--iexclude ".DS_Store" \
--iexclude "cache" \
--iexclude "CachedData" \
--iexclude "CachedExtensionVSIXs" \
--iexclude "Code Cache" \
--iexclude "GPUCache" \
--iexclude "GrSharedCache" \
--iexclude "ShaderCache" \
--iexclude "system-cache" \
--iexclude "thumbs.db" \
--iexclude "tmp" \
--exclude "containers/storage/overlay" \
--exclude "containers/storage/overlay-containers" \
--exclude "containers/storage/overlay-images" \
--exclude "containers/storage/overlay-layers" \
--exclude-if-present ".nobackup" \
--host "$host" \
$args "$path"
fi
}
function forget_backup() {
timeframe="$1"
if [[ -z $timeframe ]]; then
timeframe="0y0m7d0h"
fi
say info "Forgetting: $timeframe ($host)"
invoke_restic \
forget \
--keep-within "$timeframe" \
--host "$host"
}
function prune_backup() {
say info "Pruning"
invoke_restic \
prune \
--dry-run
}
function start_service() {
service="$1"
say info "Starting service: $service"
systemctl start $service
}
function stop_service() {
service="$1"
say info "Stopping service: $service"
systemctl stop $service
}
test_root
test_prog "bzip2"
test_prog "curl"
test_prog "grep"
test_prog "hostname"
mkdir -p "$backup_scripts_dir"
mkdir -p "$cache_dir"
mkdir -p "$secrets_dir"
chmod -R 711 "$secrets_dir"
download_restic 0.16.0
test_file "$restic_repo_file"
test_file "$restic_repo_passwd_file"
say info "Running backup scripts..."
if ! [[ "$(ls -A $backup_scripts_dir)" ]]; then
die "No scripts found in '$backup_scripts_dir'"
fi
for backup_script in $backup_scripts_dir/*; do
backup_script_filename="$(basename "$backup_script")"
backup_script_name="${backup_script_filename%.*}"
backup_script_name_length="${#backup_script_name}"
say primary "-[$backup_script_name]$(repeat "-" $((80-3-$backup_script_name_length)))"
chmod +x "$backup_script"
export -f backup_dir
export -f die
export -f forget_backup
export -f get_config_dir
export -f invoke_restic
export -f prune_backup
export -f say
export -f start_service
export -f stop_service
export -f test_file
export backup_scripts_dir
export cache_dir
export host
export restic_repo_file
export restic_repo_passwd_file
export restic_path
export secrets_dir
"$backup_scripts_dir/$backup_script_filename"
done
say primary "$(repeat "-" 80)"
#sudo rm -f "$restic_path"

25
usr/local/bin/zio-backup
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@ -11,12 +11,13 @@ function restic_exec() {
args="${@:2}"
if [[ -z $command ]]; then
say_warn "No command specified. Not running."
say_warn "No command specified. Not running"
else
restic \
--password-file "$passwd_file" \
--repo "$repo" \
$command $args
say "Running restic!"
#restic \
# --password-file "$passwd_file" \
# --repo "$repo" \
# $command $args
fi
}
@ -25,13 +26,15 @@ function backup() {
args="${@:2}"
if [[ ! -d $path ]]; then
warn "'$path' does not exist. Not backing up."
say warning "'$path' does not exist. Not backing up"
else
for exclude in "${excludes[@]}"
do
args+=" --iexclude \"$exclude\""
done
say info "Backing up: $path"
#for exclude in "${excludes[@]}"
#do
# args+=" --iexclude \"$exclude\""
#done
restic_exec \
backup \
--iexclude "__MACOSX" \

116
usr/local/libexec/zio/helpers/bash.sh 100644
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@ -0,0 +1,116 @@
#!/usr/bin/env bash
function die() {
say error "$@"
exit 255
}
function get_config_dir() {
prog="$1"
config_dir=""
if [[ ! -z $prog ]]; then
config_dir="/etc/zio/$prog"
else
config_dir="/etc/zio"
fi
if [[ ! -d "$config_dir" ]]; then
mkdir -p "$config_dir"
fi
echo "$config_dir"
}
function podman_exec() {
container="$1"
command="${@:2}"
podman exec -it $container "$command"
}
function repeat() {
string="$1"
amount=$2
if ! [[ -n $amount ]]; then
amount=20
fi
eval "for i in {1..$amount}; do echo -n "$1"; done"
}
function say() {
color=""
message="${@:2}"
output=""
prefix=""
style="0"
if [[ "$2" != "" ]]; then
message="$2"
type="$1"
else
message="$1"
fi
case $1 in
debug)
color="35"
prefix="Debug"
;;
error)
color="31"
prefix="Error"
style="1"
;;
info)
color="34"
style="1"
;;
primary)
color="37"
style="1"
;;
warning)
color="33"
style="1"
;;
*|default)
color="0"
message="$@"
;;
esac
if [[ $prefix == "" ]]; then
output="\033[${style};${color}m${message}\033[0m"
else
output="\033[1;${color}m${prefix}"
if [[ $message == "" ]]; then
output+="!"
else
output+=": \033[${style};${color}m${message}\033[0m"
fi
output+="\033[0m"
fi
echo -e "$output"
}
function test_file() {
if [[ ! -f "$1" ]]; then
die "'$1' does not exist"
fi
}
function test_root() {
if [[ ! $(id -u) = 0 ]]; then
die "Unauthorized (are you root?)"
fi
}
function test_prog() {
[[ ! $(command -v "$1") ]] && die "'$1' not installed"
}