Add script to verify Jellyfin version and updates
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#!/bin/sh
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# Purpose {{{
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## Create a temp file (to monitor) if an upgrade is available for Jellyfin
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## project on Github.
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## It's based on the Jellyfin URL site to get the current version.
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## How-to use {{{
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### 1. Needs releasetags script, in the same directory
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### cf. https://git.101010.fr/gardouille-dotfiles/scripts/github/releasetags
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# wget https://git.101010.fr/gardouille-dotfiles/scripts/raw/branch/master/github/releasetags
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### 2. Create a cron job with Jellyfin URL as first argument, eg.
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#00 20 * * * root /opt/repos/ipr.scripts/github/check_jellyfin_update https://jellyfin.domain.tld:port/web/index.html
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### 3. Monitor the temp file : /tmp/.github.jellyfin.upgrade
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# Or enable MAILTO in cronjob and edit the script to print a message.
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# Or send a mail.
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# …
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## }}}
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# }}}
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly NBARGS="${#}"
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## Test if DEBUG is already defined (by parent script,…)
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[ -z "${DEBUG}" ] && DEBUG=0
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## Colors
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readonly PURPLE='\033[1;35m'
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readonly RED='\033[0;31m'
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readonly RESET='\033[0m'
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readonly COLOR_DEBUG="${PURPLE}"
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script_wd=$(dirname "${0}")
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jellyfin_repo_url="https://github.com/jellyfin/jellyfin"
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# }}}
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usage() { # {{{
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cat <<- EOF
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usage: $PROGNAME [-d|-f|-h|-u|]
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Compare current version of an installed Jellyfin site and the last available.
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EXAMPLE :
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- Compare the current version installed on http://jellyfin.domain.tld:port/web/index.html
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check.jellyfin.update http://jellyfin.domain.tld:port/web/index.html
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OPTIONS :
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-f,--file
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Set the path to the temp file that will be create and
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that should be monitored (default: /tmp/.github.jellyfin.upgrade).
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-u,--url
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Specify the URL of the Jellyfin instance to check.
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-d,--debug
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Enable debug messages.
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-h,--help
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Print this help message.
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EOF
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}
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# }}}
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debug_message() { # {{{
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local_debug_message="${1}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_debug_message}"
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return 0
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}
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# }}}
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error_message() { # {{{
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local_error_message="${1}"
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local_error_code="${2}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}"
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exit "${local_error_code:=66}"
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}
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# }}}
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define_vars() { # {{{
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## If reprepro_dir wasn't defined (argument,...) {{{
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if [ -z "${jellyfin_url}" ]; then
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### Display help message and exit
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usage
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error_message "Please set the Jellyfin's URL with -u|--url option."
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fi
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## }}}
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## If jellyfin_new_version_file wasn't defined (argument,...) {{{
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if [ -z "${jellyfin_new_version_file}" ]; then
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### Store it in /tmp directory
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jellyfin_new_version_file="/tmp/.github.jellyfin.upgrade"
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fi
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## }}}
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jellyfin_current_version=$(curl --silent "${jellyfin_url:=/dev/null}" | \grep -oP "(?<=Version=')[[:alnum:].]*")
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jellyfin_new_version=$("${script_wd}"/releasetags "${jellyfin_repo_url}" | grep -vE -- '(dev|rc)' | head -n1 | sed 's/v//')
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}
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# }}}
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main() { # {{{
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## Define all vars according the selected options
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define_vars
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## Check if the current version is the last one {{{
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if [ "${jellyfin_current_version}" != "${jellyfin_new_version}" ]; then
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debug_message "Test Jellyfin version − \
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Current version (${jellyfin_current_version}) and new one (${jellyfin_new_version}) seems to be different."
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## Create a temp file to monitor
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debug_message "Test Jellyfin version − \
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Create ${jellyfin_new_version_file} temp file to monitore."
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touch -- "${jellyfin_new_version_file}"
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printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for Jellyfin (current : ${jellyfin_current_version}) : ${jellyfin_new_version}." >> "${jellyfin_new_version_file}"
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else
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debug_message "Test Jellyfin version − \
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The current version is up-to-date."
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rm -f -- "${jellyfin_new_version_file}"
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fi
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## }}}
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}
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# }}}
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# Manage arguments # {{{
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# This code can't be in a function due to arguments
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if [ ! "${NBARGS}" -eq "0" ]; then
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## If the first argument is not an option
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if ! printf -- '%s' "${1}" | grep -q -E -- "^-+";
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then
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usage
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error_message "Unknown argument (${1}), check the help." 2
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fi
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manage_arg="0"
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# Parse all options (start with a "-") one by one
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while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
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case "${1}" in
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-u|--url ) ## Set URL
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## Move to the next argument
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shift
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## Define jellyfin_url
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jellyfin_url="${1}"
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;;
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-d|--debug ) ## debug
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DEBUG=0
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;;
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-h|--help ) ## help
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usage
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## Exit after help informations
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exit 0
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;;
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-f|--file ) ## Set temp file
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## Move to the next argument
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shift
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## Define jellyfin_new_version_file
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jellyfin_new_version_file="${1}"
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;;
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-- ) ## End of options list
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## End the while loop
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break
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;;
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* ) ## unknow option
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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;;
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esac
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debug_message "Arguments management − \
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${RED}${1}${COLOR_DEBUG} option managed."
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## Move to the next argument
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shift
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manage_arg=$((manage_arg+1))
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done
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debug_message "Arguments management − \
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${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
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else
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error_message "Please at least give an URL with -u|--url option. See --help for more informations."
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fi
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# }}}
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main
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exit 0
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@ -0,0 +1,24 @@
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#!/bin/sh
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if [ $# -ne 1 ]
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then
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cat << HELP
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releasetags -- list all tags for a Github project.
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EXAMPLE :
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- List all tags for FusionInventory-agent :
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releasetags https://github.com/fusioninventory/fusioninventory-agent
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HELP
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exit 1
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fi
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project="$1"
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tags=$(wget -q "${project}/tags.atom" -O - | awk -v pattern="${project}/releases/tag/" -F "/" '$0~pattern { print $9 }' | sed 's/\(.*\)"/\1/')
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echo "${tags}"
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exit 0
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