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refine update script, attempt at better error control

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This commit is contained in:
sparklyballs 2016-08-23 02:32:22 +01:00
parent 3233217ac9
commit b34d77d1fc
2 changed files with 37 additions and 13 deletions
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5
Dockerfile
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@ -3,11 +3,12 @@ MAINTAINER Stian Larsen, sparklyballs
# package version
ENV PLEX_URL="https://plex.tv/downloads"
ARG PLEX_WWW="${PLEX_URL}/latest/1?channel=8&build=linux-ubuntu-x86_64&distro=ubuntu"
ENV PLEX_INSTALL="${PLEX_URL}/latest/1?channel=8&build=linux-ubuntu-x86_64&distro=ubuntu"
# global environment settings
ENV DEBIAN_FRONTEND="noninteractive"
ENV HOME="/config"
ENV PLEX_WWW="${PLEX_INSTALL}&X-Plex-Token=$PLEX_TOKEN"
# install packages
RUN \
@ -20,7 +21,7 @@ RUN \
# install plex
curl -o \
/tmp/plexmediaserver.deb -L \
"${PLEX_WWW}" && \
"${PLEX_INSTALL}" && \
dpkg -i /tmp/plexmediaserver.deb && \
# cleanup

45
root/etc/cont-init.d/50-plex-update
View File

@ -17,6 +17,20 @@ cat > "${NOVERSION_SET}" <<-EOFVERSION
#######################################################
EOFVERSION
# set update failed message
[[ -e /tmp/update_fail.nfo ]] && \
rm /tmp/update_fail.nfo
UPGRADE_FAIL='/tmp/update_fail.nfo'
cat > "${UPGRADE_FAIL}" <<-EOFFAIL
########################################################
# Upgrade attempt failed, this could be because either #
# plex update site is down, local network issues, or #
# you were trying to get a version that simply doesn't #
# exist, check over the VERSION variable thoroughly & #
# correct it or try again later. #
########################################################
EOFFAIL
# test for no version set or opt out for autoupdates
if [[ -z "$VERSION" ]] || [[ "$VERSION" == "0" ]] || [[ ! -z "$ADVANCED_DISABLEUPDATES" ]]; then
printf "\n\n\n%s\n\n\n" "$(</tmp/no-version.nfo)"
@ -59,33 +73,42 @@ exit 0
fi
# determine installed version of plex
INSTALLED=$(dpkg-query -W -f='${Version}' plexmediaserver)
INSTALLED_VERSION=$(dpkg-query -W -f='${Version}' plexmediaserver)
# start update routine
if [[ "$VERSION" = latest ]] || [[ "$VERSION" = plexpass ]] || [[ "$PLEXPASS" == "1" ]]; then
PLEX_TOKEN="${PLEX_TOKEN}"
else
REMOTE_VERSION=$(curl -s "${PLEX_WWW}"| cut -d "/" -f 5 )
elif [[ "$VERSION" = public ]]; then
PLEX_TOKEN=""
REMOTE_VERSION=$(curl -s "${PLEX_WWW}"| cut -d "/" -f 5 )
else
REMOTE_VERSION="${VERSION}"
fi
VERSION=$(curl -s "https://plex.tv/downloads/latest/1?channel=8&build=linux-ubuntu-x86_64&distro=ubuntu&X-Plex-Token=$PLEX_TOKEN"| cut -d "/" -f 5 )
if [[ "$VERSION" == "$INSTALLED" ]]; then
if [[ "$REMOTE_VERSION" == "$INSTALLED_VERSION" ]]; then
echo "No update required"
exit 0
fi
echo "Atempting to upgrade to: $VERSION"
echo "Atempting to upgrade to: $REMOTE_VERSION"
last=130
while [[ $last -ne "0" ]]; do
down_tries=3
if curl --output /dev/null --silent --head --fail "${PLEX_URL}/plex-media-server/$REMOTE_VERSION/plexmediaserver_${REMOTE_VERSION}_amd64.deb"; then
while [[ $last -ne "0" ]] || [[ down_tries -gt 0 ]]; do
rm -f /tmp/plexmediaserver_*.deb
curl -o /tmp/plexmediaserver_"${VERSION}"_amd64.deb -L \
"${PLEX_URL}/plex-media-server/$VERSION/plexmediaserver_${VERSION}_amd64.deb"
last=$?
curl -o /tmp/plexmediaserver_"${REMOTE_VERSION}"_amd64.deb -L \
"${PLEX_URL}/plex-media-server/$REMOTE_VERSION/plexmediaserver_${REMOTE_VERSION}_amd64.deb"
down_tries=$((down_tries-1))
last=$?
done
apt-get remove --purge -y \
plexmediaserver
dpkg -i /tmp/plexmediaserver_"${VERSION}"_amd64.deb
dpkg -i /tmp/plexmediaserver_"${REMOTE_VERSION}"_amd64.deb
rm -f /tmp/plexmediaserver_*.deb
else
printf "\n\n\n%s\n\n\n" "$(</tmp/update_fail.nfo)"
exit 0
fi
# recopy config file in case update overwrites our copy
cp -v /defaults/plexmediaserver /etc/default/plexmediaserver