Всем привет. Есть скрипт, найденный на просторах интернета. Иногда приложение Plex падает. Сейчас скрипт проверяет обновления и устанавливает их. Вне функций обновлений надо дописать проверку статуса запущенного приложения, если упало, то запустить его.
#!/usr/bin/env bash
function help() { cat <<HELP
Auto Update Plex Media Server on Synology NAS
Version $(version)
Download latest release from
https://github.com/cowboy/synology-update-plex
Adapted from work first published at
https://forums.plex.tv/t/script-to-auto-update-plex-on-synology-nas-rev4/479748
Usage: $(basename "$0") [options...]
Options:
--plex-pass Enable early access / beta releases (requires Plex Pass)
--version Display the script release version
--help Display this help message
HELP
}
function version() { echo "(in-development)"; } # value auto-generated during release
function header() { echo -e "\n[ $@ ]"; }
function warn() { echo "WARN: $@" >&2; }
function fail() { echo "FAIL: $@"; exit 1; }
function process_args() {
while [[ "${1-}" ]]; do
case $1 in
-h|-\?|--help)
help
exit
;;
-v|--version)
version
exit
;;
--plex-pass)
plex_pass=1
;;
*)
warn "Unknown option (ignored): $1"
;;
esac
shift
done
}
function cleanup() {
code=$?
if [[ -d "$tmp_dir" ]]; then
header 'Cleaning up'
echo "Removing $tmp_dir"
rm -rf $tmp_dir
fi
echo
if [[ $code == 0 ]]; then
echo 'Done!'
else
notify PlexUpdateError
echo 'Done, with errors!'
fi
}
function notify() {
synonotify $1 '{"%PLEX_VERSION%":"'${available_version:-(unknown)}'"}'
}
function init_notifications() {
local lang="$(source /etc/synoinfo.conf; echo "$maillang")"
local mails_file=/var/cache/texts/$lang/mails
if [[ ! -e "$mails_file" ]]; then
header "Initializing notification system"
echo "Notifications disabled (file $mails_file not found)"
return
fi
if [[ ! "$(grep PlexUpdateInstalled $mails_file || true)" ]]; then
header "Initializing notification system"
cp $mails_file $mails_file.bak
cat << 'EOF' >> $mails_file
[PlexUpdateInstalled]
Subject: Successfully updated Plex to %PLEX_VERSION% on %HOSTNAME%
Dear user,
Successfully updated Plex to %PLEX_VERSION% on %HOSTNAME%
---
https://github.com/cowboy/synology-update-plex
[PlexUpdateError]
Subject: Unable to update Plex to %PLEX_VERSION% on %HOSTNAME%
Dear user,
Unable to update Plex to %PLEX_VERSION% on %HOSTNAME%.
If this error persists, enable saving output results in Task Scheduler and file an issue at https://github.com/cowboy/synology-update-plex/issues including the script output.
---
https://github.com/cowboy/synology-update-plex
EOF
echo 'Notifications installed'
fi
}
function get_dsm_major_version() {
dsm_major_version=$(grep -oP 'majorversion="\K[^"]+' /etc.defaults/VERSION)
if [[ -z "$dsm_major_version" ]]; then
fail 'Unable to retrieve DSM major version data'
else
echo "DSM Major Version found: $dsm_major_version"
fi
}
function build_downloads_url() {
downloads_url='https://plex.tv/api/downloads/5.json'
if [[ "$plex_pass" ]]; then
header "Enabling Plex Pass releases"
local pms_dir="$(echo /volume*"/Plex/Library/Application Support/Plex Media Server")"
if [[ ! -d "$pms_dir" ]]; then
pms_dir="$(find /volume* -type d -name 'Plex Media Server' -execdir test -e "{}/Preferences.xml" \; -print -quit)"
fi
if [[ ! -d "$pms_dir" ]]; then
fail 'Unable to find "Plex Media Server" directory'
fi
local prefs_file="$pms_dir/Preferences.xml"
if [[ ! -e "$prefs_file" ]]; then
fail 'Unable to find Preferences.xml file'
fi
local token=$(grep -oP 'PlexOnlineToken="\K[^"]+' "$prefs_file" || true)
if [[ -z "$token" ]]; then
fail 'Unable to find Plex Token'
fi
echo "Found Plex Token"
downloads_url="$downloads_url?channel=plexpass&X-Plex-Token=$token"
fi
}
function retrieve_version_data() {
header 'Retrieving version data'
get_dsm_major_version
downloads_json="$(curl -s "$downloads_url")"
if [[ -z "$downloads_json" ]]; then
fail 'Unable to retrieve version data'
fi
}
function set_available_version() {
echo "Looking for Available Version (DSM $dsm_major_version)"
case $dsm_major_version in
6)
available_version=$(jq -r '.nas[] | select(.id == "synology") | .version' <<< "$downloads_json")
;;
7)
available_version=$(jq -r '.nas[] | select(.id == "synology-dsm7") | .version' <<< "$downloads_json")
;;
*)
fail "DSM $dsm_major_version not currently Supported!"
;;
esac
echo "Available version: $available_version"
}
function set_installed_version() {
echo "Looking for Installed Version (DSM $dsm_major_version)"
case $dsm_major_version in
6)
installed_version=$(/var/packages/Plex\ Media\ Server/target/Plex\ Media\ Server --version)
;;
7)
installed_version=$(/var/packages/PlexMediaServer/target/Plex\ Media\ Server --version)
;;
*)
fail "DSM $dsm_major_version not currently Supported!"
;;
esac
installed_version=${installed_version:1}
echo "Installed version: $installed_version"
}
# https://stackoverflow.com/a/4024263
function version_lte() {
[[ "$1" == "$(echo -e "$1\n$2" | sort -V | head -n1)" ]]
}
function check_up_to_date() {
set_available_version
set_installed_version
echo
if version_lte "$available_version" "$installed_version"; then
if [[ "$installed_version" != "$available_version" ]]; then
echo 'The installed version of Plex is newer than the available version. If' \
'you have Plex Pass, be sure to run this script with the --plex-pass option.'
fi
echo 'Plex is up-to-date.'
exit
fi
echo 'New version available!'
}
function get_arch() {
local arch machine=$1 hw_version=$2
if [[ "$machine" =~ armv7 ]]; then
declare -A model_machine_map
model_machine_map[DS414j]=armv7hf_neon
model_machine_map[DS115j]=armv7hf
model_machine_map[RS815]=armv7hf
model_machine_map[DS216se]=armv7hf
model_machine_map[DS215jv10-j]=armv7hf_neon
if [[ "${model_machine_map[$hw_version]+_}" ]]; then
arch=${model_machine_map[$hw_version]}
elif [[ "${hw_version//[^0-9]/}" =~ 1[5-8]$ ]]; then
arch=armv7hf_neon
else
arch=armv7hf
fi
elif [[ "$machine" =~ i686 ]]; then
arch=x86
else
arch=$machine
fi
echo $arch
}
function find_release() {
header 'Finding release'
local hw_version=$(</proc/sys/kernel/syno_hw_version)
local machine=$(uname -m)
local arch=$(get_arch "$machine" "$hw_version")
echo "Getting Release information (DSM $dsm_major_version)"
case $dsm_major_version in
6)
releases_json="$(jq '.nas[] | select(.id == "synology") | {releases}' <<< "$downloads_json")"
;;
7)
releases_json="$(jq '.nas[] | select(.id == "synology-dsm7") | {releases}' <<< "$downloads_json")"
;;
*)
fail "DSM $dsm_major_version not currently Supported!"
;;
esac
if [[ -z "$releases_json" ]]; then
fail "Unable to find releases for DSM $dsm_major_version"
fi
release_json="$(jq '.releases[] | select(.build == "linux-'$arch'")' <<< "$releases_json")"
if [[ -z "$release_json" ]]; then
fail "Unable to find release for $hw_version/$machine/$arch"
fi
}
function download_package() {
header 'Downloading release package'
local package_url="$(jq -r .url <<< "$release_json")"
tmp_dir=$(mktemp -d --tmpdir plex.XXXXXX)
wget --no-verbose "$package_url" -P $tmp_dir
package_file=$(echo $tmp_dir/*.spk)
if [[ ! -e "$package_file" ]]; then
fail "Unable to download package file"
fi
}
function verify_checksum() {
header 'Verifying checksum'
local expected_checksum="$(jq -r .checksum <<< "$release_json")"
local actual_checksum=$(sha1sum $package_file | cut -f1 -d' ')
if [[ "$actual_checksum" != "$expected_checksum" ]]; then
fail "Checksum $actual_checksum invalid"
fi
echo "Checksum valid!"
}
function install_package() {
header 'Installing package'
synopkg install $package_file
}
function restart_plex() {
header 'Restarting Plex Media Server'
synopkg start 'Plex Media Server'
}
function main() {
set -o errexit
set -o pipefail
set -o nounset
# set -o xtrace
shopt -s nullglob
plex_pass=
process_args "$@"
tmp_dir=
trap cleanup EXIT
echo 'Checking for a Plex Media Server update...'
if [[ $EUID != 0 ]]; then
fail 'This script must be run as root'
fi
init_notifications
build_downloads_url
retrieve_version_data
check_up_to_date
find_release
echo "$release_json"
download_package
verify_checksum
install_package
restart_plex
notify PlexUpdateInstalled
}
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
main "$@"
fi
Средний
