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rootfs/usr/local/bin/zio-backup

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#!/bin/bash
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env_dir=$1
base_dir="$(dirname "$(realpath -s "$0")")"
root_dir="$base_dir/../../.."
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[[ -z $env_dir ]] && env_dir="/etc/zio/backup"
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function restic_exec() {
command="$1"
args="${@:2}"
if [[ -z $command ]]; then
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say_warn "No command specified. Not running"
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else
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say "Running restic!"
#restic \
# --password-file "$passwd_file" \
# --repo "$repo" \
# $command $args
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fi
}
function backup() {
path="$1"
args="${@:2}"
if [[ ! -d $path ]]; then
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say warning "'$path' does not exist. Not backing up"
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else
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say info "Backing up: $path"
#for exclude in "${excludes[@]}"
#do
# args+=" --iexclude \"$exclude\""
#done
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restic_exec \
backup \
--iexclude "__MACOSX" \
--iexclude ".cache" \
--iexclude ".DS_Store" \
--iexclude "cache" \
--iexclude "CachedData" \
--iexclude "CachedExtensionVSIXs" \
--iexclude "Code Cache" \
--iexclude "GPUCache" \
--iexclude "GrSharedCache" \
--iexclude "ShaderCache" \
--iexclude "system-cache" \
--iexclude "thumbs.db" \
--iexclude "tmp" \
--exclude "containers/storage/overlay" \
--exclude "containers/storage/overlay-containers" \
--exclude "containers/storage/overlay-images" \
--exclude "containers/storage/overlay-layers" \
--exclude-if-present ".nobackup" \
--host "$host" \
$args "$path"
fi
}
function forget() {
path="$1"
restic_exec \
forget \
--host "$host" \
--keep-last 5 \
--path "$path"
}
function get_prop() {
file=$1
item=$2
echo $(grep -oP '(?<=^'"$item"'=).+' $file | tr -d '"')
}
function say() {
message=$@
echo -e "$@"
}
function say_die() {
message=$@
say "\033[1;31mError: $message\033[0m"
exit 255
}
function say_do() {
message=$@
say "\033[1;34m$message\033[0m"
}
function say_warn() {
message=$@
say "\033[1;33mWarning: $message\033[0m"
}
function test_path() {
prog=$@
if [[ ! -x "$(command -v $prog)" ]]; then
say_die "'$prog' is not installed (or not in \$PATH). Aborting..."
fi
}
host="$(hostname -s)"
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repo="b2:zio-euc-servers:/"
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passwd_file="$env_dir/passwd"
pre_script_file="$env_dir/pre-script"
post_script_file="$env_dir/post-script"
b2_account_id=""
b2_account_key=""
excludes=()
paths=()
services=()
if [[ $UID != 0 ]]; then
say_die "Unauthorized (are you root?)"
fi
if [[ ! -d $env_dir ]]; then
say_die "Config directory ($env_dir) not found."
else
chown root:root -R $env_dir
chmod 660 -R $env_dir
[[ -f "$env_dir/script-pre" ]] && pre_script="$env_dir/script-pre"
[[ -f "$env_dir/script-post" ]] && post_script="$env_dir/script-post"
if [[ -f "$env_dir/config" ]]; then
[[ ! -z $(get_prop "$env_dir/config" B2_ACCOUNT_ID) ]] && \
b2_account_id="$(get_prop "$env_dir/config" B2_ACCOUNT_ID)"
[[ ! -z $(get_prop "$env_dir/config" B2_ACCOUNT_KEY) ]] && \
b2_account_key="$(get_prop "$env_dir/config" B2_ACCOUNT_KEY)"
[[ ! -z $(get_prop "$env_dir/config" EXCLUDES) ]] && \
IFS=';' read -ra excludes <<< "$(get_prop "$env_dir/config" EXCLUDES)"
[[ ! -z $(get_prop "$env_dir/config" PATHS) ]] && \
IFS=';' read -ra paths <<< "$(get_prop "$env_dir/config" PATHS)"
[[ ! -z $(get_prop "$env_dir/config" SERVICES) ]] && \
IFS=';' read -ra services <<< "$(get_prop "$env_dir/config" SERVICES)"
fi
if [[ ! -f "$env_dir/passwd" ]]; then
say_die "Password file ($passwd_file) not found."
fi
fi
[[ -z $paths ]] && say_die "No paths specified. Aborting..."
if [[ -z $b2_account_id ]]; then
say_die "B2_ACCOUNT_ID (in $env_dir/config) not set. Aborting..."
else
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export B2_ACCOUNT_ID="$b2_account_id"
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fi
if [[ -z $b2_account_key ]]; then
say_die "B2_ACCOUNT_KEY (in $env_dir/config) not set. Aborting..."
else
export B2_ACCOUNT_KEY="$b2_account_key"
fi
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if [[ -f $pre_script_file ]]; then
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say_do "Executing pre-backup script..."
. $pre_script_file
fi
say_do "Stopping services..."
for service in "${services[@]}"
do
systemctl stop $service
done
say_do "Backing up files..."
for path in "${paths[@]}"
do
backup $path
done
say_do "Starting services..."
for service in "${services[@]}"
do
systemctl start $service
done
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if [[ -f $post_script_file ]]; then
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say_do "Executing post-backup script..."
. $post_script_file
fi
say_do "Removing old backups..."
for path in "${paths[@]}"
do
forget $path
done