diff options
Diffstat (limited to 'checkrepo')
| -rwxr-xr-x | checkrepo | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/checkrepo b/checkrepo new file mode 100755 index 00000000..0c7c9589 --- /dev/null +++ b/checkrepo @@ -0,0 +1,206 @@ +#!/bin/bash + +#/** +#@file checkrepo +#@brief Maintain repository information in a JSON file. +#@usage checkrepo +#@warning This script uses "jq" command. +#@version 1.1.0 - Initial version. +#@author Ramón M. Gómez - ETSII Univ. Sevilla +#@date 2017-09-27 +#*/ ## + + +# Global constants definition. +PROG=$(basename "$(realpath "$0")") +OPENGNSYS=/opt/opengnsys +IMAGESDIR=$OPENGNSYS/images +INFOFILE=$OPENGNSYS/etc/repoinfo.json + + +# Functions. +source $OPENGNSYS/lib/ogfunctions.sh + +# Create/edit JSON file about installed ogLive clients. +function addToJson() { + # Parameters and variables. + local IMAGENAME="$1" IMAGETYPE="$2" DATA="$3" JSON i j n m OUNAME OUIND IMGIND + local CLONATOR COMPRESSOR FSTYPE DATASIZE CLIENT + IFS=":" read -r CLONATOR COMPRESSOR FSTYPE DATASIZE CLIENT <<<"$DATA" + # Check if image is restricted to an OU (subdir). + if [[ $IMAGENAME =~ / ]]; then + OUNAME="${IMAGENAME%/*}" + IMAGENAME="${IMAGENAME##*/}" + fi + # Data size must be numeric (in KB). + [[ $DATASIZE =~ ^[0-9]*$ ]] || DATASIZE=0 + # JSON-formatted new entry. + JSON=$(cat << EOT | jq . +{ + "name":"$IMAGENAME", + "type":"${IMAGETYPE,,}", + "clientname":"$CLIENT", + "clonator":"${CLONATOR,,}", + "compressor":"${COMPRESSOR,,}", + "filesystem":"${FSTYPE^^}", + "datasize":$[ DATASIZE * 1024] +} +EOT + ) + # Check JSON file consistency. + if [ "$(jq -c keys $INFOFILE 2>/dev/null)" == '["directory","images","ous"]' ]; then + # Common image. + if [ -z "$OUNAME" ]; then + # Check if the image is defined into JSON file. + n=$(jq ".images | length" $INFOFILE) + for ((i=0; i<n; i++)); do + [ "$(jq ".check=$JSON | .check.name==.images[$i].name" $INFOFILE)" == "true" ] && IMGIND=$i + done + # Check if it needs to update or insert data. + if [ -n "$IMGIND" ]; then + # Update if image data changes and info file exists. + [ -n "$3" -a "$(jq ".check=$JSON | .check==.images[$IMGIND]" $INFOFILE)" == "false" ] && jq ".images[$IMGIND]=$JSON" $INFOFILE | sponge $INFOFILE + else + # Append a new entry. + jq ".images |= (. + [$JSON])" $INFOFILE | sponge $INFOFILE + fi + else # OU image. + # Append a new OU entry if it does not exist. + if [ -z "$(jq -r ".ous[].subdir" $INFOFILE | grep "^$OUNAME$")" ]; then + JSON=$(cat << EOT | jq . +{ + "subdir": "$OUNAME", + "images": [ $JSON ] +} +EOT + ) + jq ".ous |= (. + [$JSON])" $INFOFILE | sponge $INFOFILE + else + # Check if the image is defined in some OU. + m=$(jq ".ous | length" $INFOFILE) + for ((j=0; j<m; j++)); do + n=$(jq ".ous[$j].images | length" $INFOFILE) + for ((i=0; i<n; i++)); do + [ "$(jq ".check=$JSON | .check.name==.ous[$j].images[$i].name" $INFOFILE)" == "true" ] && OUIND=$j && IMGIND=$i + done + done + # Check if it needs to update or insert data. + if [ -n "$IMGIND" ]; then + # Update if image data changes and info file exists. + [ $# -gt 2 -a "$(jq ".check=$JSON | .check==.ous[$OUIND].images[$IMGIND]" $INFOFILE)" == "false" ] && jq ".ous[$OUIND].images[$IMGIND]=$JSON" $INFOFILE | sponge $INFOFILE + else + # Obtener el índice de la UO donde añadir la nueva entrada. Por acodoner + m=$(jq ".ous | length" $INFOFILE) + for ((j=0; j<m; j++)); do + [ $(jq ".ous[$j].subdir" $INFOFILE | sed s/\"//g) == $OUNAME ] && OUIND=$j + done + # Append a new entry. + jq ".ous[$OUIND].images |= (. + [$JSON])" $INFOFILE | sponge $INFOFILE + fi + fi + fi + else + # Create new JSON file. + if [ -z "$OUNAME" ]; then + cat << EOT | jq . > $INFOFILE +{"directory":"$IMAGESDIR","images":[${IMAGENAME:+$JSON}],"ous":[]} +EOT + else + cat << EOT | jq . > $INFOFILE +{"directory":"$IMAGESDIR","images":[],"ous":[{"subdir":"$OUNAME","images":[$JSON]}]} +EOT + fi + fi +} + +# Check for file-based images to update the repository configuration file. +function checkfiles() { + local IMAGES IMG INFO DATA + # File-stored images. + IMAGES=$(find $IMAGESDIR -maxdepth 2 -type f \( -name "*.img" -o -name "*.dsk" \) -print) + for IMG in $IMAGES; do + # Skip locked images. + [ -e "$IMG.lock" ] && continue + # Retrieve image creation data and delete temporary file. + INFO="$IMG.info" + [ ! -e "$INFO" ] && continue # Si no existe fichero .info, no hacer nada y pasar al siguiente. Por acodoner + [ "$INFO" -ot "$IMG" ] && rm -f "$INFO" && echo "Warning: Deleted outdated file $INFO" && continue # Si el fichero .info es obsoleto, borralo, no hacer nada y pasar al siguiente. Por acodoner + DATA="" + [ -r "$INFO" ] && DATA=$(cat "$INFO") + # Add data to configuration file (name, type and data) and remove image info file. + IMG=${IMG#$IMAGESDIR/} + addToJson "${IMG%.*}" "${IMG##*.}" "$DATA" && rm -f "$INFO" + done +} + + +# Check for directory-based images to update the repository configuration file. +function checkdirs() { + local IMAGES IMG INFO DATA + + # Directory-based images. + IMAGES=$(find $IMAGESDIR -maxdepth 3 -type f -name ogimg.info -print) + for INFO in $IMAGES; do + IMG="$(dirname "${INFO#$IMAGESDIR/}")" + # Skip repository root directory and locked images. + [ "$IMG" == "$IMAGESDIR" -o -e "$IMG.lock" ] && continue + DATA=$(awk -F= '$1=="# fstype" {fs=$2} $1=="# sizedata" {sz=$2} END {printf "rsync::%s:%s:",fs,sz}' "$INFO") + # Add data to configuration file (name, type and data). + addToJson "$IMG" "dir" "$DATA" + done +} + +# Check if images are removed to update the repository configuration file. +function checkremoved() { + local IMG TYPE OU i j n m + [ ! -w "$INFOFILE" ] && raiseError access "$INFOFILE" + + # Check if global images are defined into JSON file. + n=$(jq ".images | length" $INFOFILE) + for ((i=0; i<n; i++)); do + # Image name and type. + IMG="$(jq -r ".images[$i].name" $INFOFILE)" + TYPE="$(jq -r ".images[$i].type" $INFOFILE)" + [ "$TYPE" != "dir" ] && IMG="$IMG.$TYPE" + # Delete entry if image does not exist and it's not locked. + [ ! -e "$IMAGESDIR/$IMG" -a ! -e "$IMAGESDIR/$IMG.lock" ] && jq "del(.images[$i])" $INFOFILE | sponge $INFOFILE + done + # Check if OU images are defined into JSON file. + m=$(jq ".ous | length" $INFOFILE) + for ((j=0; j<m; j++)); do + # OU subdir. + OU="$(jq -r ".ous[$j].subdir" $INFOFILE)" + # Delete OU's entries if its subdir does not exist. + if [ ! -e "$IMAGESDIR/$OU" ]; then + jq "del(.ous[$j])" $INFOFILE | sponge $INFOFILE + else + #n=$(jq ".images | length" $INFOFILE) + n=$(jq ".ous[$j].images | length" $INFOFILE) #corregido por acodoner + for ((i=0; i<n; i++)); do + # Image name and type. + IMG="$(jq -r ".ous[$j].images[$i].name" $INFOFILE)" + TYPE="$(jq -r ".ous[$j].images[$i].type" $INFOFILE)" + [ "$TYPE" != "dir" ] && IMG="$IMG.$TYPE" + # Delete entry if image does not exist and it's not locked. + [ ! -e "$IMAGESDIR/$OU/$IMG" -a ! -e "$IMAGESDIR/$OU/$IMG.lock" ] && jq "del(.ous[$j].images[$i])" $INFOFILE | sponge $INFOFILE + done + fi + done +} + + +# Main program. + +# Comprobar si el proceso ya está en ejecución. +[ "$(pgrep "$PROG")" != "$$" ] && exit + +# Check dependencies. +[ -w "$(dirname "$INFOFILE")" ] || raiseError access "$INFOFILE" +[ -e "$INFOFILE" ] || addToJson +which sponge &>/dev/null || raiseError notfound "Need to install \"moreutils\"." + +checkfiles +checkdirs +checkremoved + + |