Subversion Repositories SmartDukaan

#!/bin/bash

if [ $# -lt 1 ]

then

        echo "Usage: $0 <UPDATE|ROLLBACK>"

        exit 1

fi

# resolve links - $0 may be a softlink

PRG="$0"

while [ -h "$PRG" ]; do

  ls=`ls -ld "$PRG"`

  link=`expr "$ls" : '.*-> \(.*\)$'`

  if expr "$link" : '/.*' > /dev/null; then

    PRG="$link"

  else

    PRG=`dirname "$PRG"`/"$link"

  fi

done

# Get standard environment variables

PRGDIR=`dirname $(readlink -f "$PRG")`

MEDIA_EXPORT_PATH="/var/www/"

PARTNERS_PATH="/var/www/static.saholic.com/partners/"

WEBSITE_JAVASCRIPT_PATH="/var/www/static.saholic.com/js/"

DATE=`date +%Y-%b-%d_%Hh%Mm`

LOGFILE=${MEDIA_EXPORT_PATH}/${DATE}.log               # Log file Name

LOGERR=${MEDIA_EXPORT_PATH}/ERRORS-${DATE}.log         # Error Log file Name

# IO redirection for logging.

touch ${LOGFILE}

exec 6>&1           # Link file descriptor #6 with stdout.

                    # Saves stdout.

exec > ${LOGFILE}     # stdout replaced with file ${LOGFILE}.

touch ${LOGERR}

exec 7>&2           # Link file descriptor #7 with stderr.

                    # Saves stderr.

exec 2> ${LOGERR}     # stderr replaced with file ${LOGERR}.

ACTION="$1"

DEPLOYED_TIMESTAMP=`cat /catalog-dumps/current.timestamp`

if [ $ACTION = "UPDATE" ]

then

        LATEST_TIMESTAMP=`cat /catalog-dumps/latest.timestamp`

        if [ "$DEPLOYED_TIMESTAMP" = "$LATEST_TIMESTAMP" ]

        then

                echo "Already latest version is deployed"

                exit 1

        fi

else

        LATEST_TIMESTAMP=`cat /catalog-dumps/previous.timestamp`

        if [ "INVALID" = "$LATEST_TIMESTAMP" ]

        then

                echo "Nothing to roll back"

                exit 1

        fi

fi

echo "Updating media files and document files"

echo "======================================================="

cd ${MEDIA_EXPORT_PATH}

if [ $ACTION == "UPDATE" ]

then

	rsync -az --delete media/  media-previous

	rsync -az --delete media-offline/  media

	rsync -az --delete documents/  documents-previous

	rsync -az --delete documents-offline/  documents

else

	rsync -az --delete media-previous/  media

	rsync -az --delete documents-previous/  documents

fi

echo "Updating product list for partners"

echo "======================================================="

cd ${MEDIA_EXPORT_PATH}

tar -zxf partners.tgz

unlink partners

ln -s partners-${LATEST_TIMESTAMP} partners

cp -r partners/* ${PARTNERS_PATH}

echo "Updating javascripts for product comparison"

echo "======================================================="

tar -zxf javascripts.tgz

unlink javascripts

ln -s javascripts-${LATEST_TIMESTAMP} javascripts

cp -r javascripts/* ${WEBSITE_JAVASCRIPT_PATH}

#Clean up IO redirection

exec 1>&6 6>&-      # Restore stdout and close file descriptor #6.

exec 2>&7 7>&-      # Restore stdout and close file descriptor #7.

if [ -s "${LOGERR}" ]

        then

                exit 1

        else

                exit 0

fi

if [ $ACTION == "UPDATE" ]

then

    cat /catalog-dumps/current.timestamp > /catalog-dumps/previous.timestamp

    echo ${LATEST_TIMESTAMP} > /catalog-dumps/current.timestamp

else

    echo ${LATEST_TIMESTAMP} > /catalog-dumps/current.timestamp

    echo "INVALID" > /catalog-dumps/previous.timestamp

fi