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Diffstat (limited to 'repoman/bin/checkrepo')
| -rwxr-xr-x | repoman/bin/checkrepo | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/repoman/bin/checkrepo b/repoman/bin/checkrepo new file mode 100755 index 00000000..b0ac1922 --- /dev/null +++ b/repoman/bin/checkrepo @@ -0,0 +1,226 @@ +#!/bin/bash + +#/** +# checkrepo +#@file checkrepo +#@brief Generate repository information in a JSON file. +#@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=$OPENGNSYS/etc/repoinfo.json + + +# Auxiliar functions. + +# Metafunction to check if JSON result exists. +function jq() { + local OUTPUT + OUTPUT=$($JQ "$@") || return $? + [[ "$OUTPUT" = "null" ]] && return 1 + echo "$OUTPUT" +} + +# 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="${IMAGENAME##*/}" + fi + # JSON-formatted new entry. + JSON=$(cat << EOT | jq . +{ + "name":"$IMAGENAME", + "type":"${IMAGETYPE,,}", + "clientname":"$CLIENT", + "clonator":"${CLONATOR,,}", + "compressor":"${COMPRESSOR,,}", + "filesystem":"${FSTYPE^^}", + "datasize":"$DATASIZE" +} +EOT + ) + # Check JSON file consistency. + if [ "$(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. + [ $# -gt 2 -a "$(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 $INFOFILE + else + # Append a new entry. + jq ".ous[$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":[$JSON],"ous":[]} +EOT + else + cat << EOT | jq . > $INFOFILE +{"directory":"$IMAGESDIR","images":[],"ous":[{"subdir":"$OUNAME","images":[$JSON]}]} +EOT + fi + fi +} + +# Show an error message. +function raiseError() { + case "$1" in + usage) + echo "$PROG: Usage error: Type \"$PROG help\"" >&2 + exit 1 ;; + notfound) + echo "$PROG: Resource not found: $2" >&2 + exit 2 ;; + access) + echo "$PROG: Access error: $2" >&2 + exit 3 ;; + *) + echo "$PROG: Unknown error" >&2 + exit 1 ;; + esac +} + +# Command functions. + +# Show help message. +function help() { + cat << EOT +$PROG: maintain the repository information. +Usage: $PROG +EOT +} + +# Check for file-based images to update the repository configuration file. +function checkfiles() { + local IMAGES IMG INFO DATA + + # File-stored images. + IMAGES=$(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" -a "$INFO" -ot "$IMG" ] && rm -f "$INFO" && echo "Warning: Deleted outdated file $INFO" + [ -r "$INFO" ] && DATA=$(tr ':' ' ' < "$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=$2} END {printf "::%s:%s:",fs,sz}' "$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[$i].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" $INFOFILE) + for ((i=0; i<n; i++)); do + # Image name and type. + IMG="$(jq -r ".images[$i].name" $INFOFILE)" + TYPE="$(jq -r ".images[$i].type" $INFOFILE)" + # Delete entry if image does not exist and it's not locked. + [ ! -e "$IMAGESDIR/$OU/$IMG" -a ! -e "$IMAGESDIR/$OU/$IMG.lock" ] && jq "del(.ous[[$j].images[$i])" $INFOFILE | sponge $INFOFILE + done + fi + done +} + + +# Main progrram. + +# Check dependencies. +[ ! -w "$(dirname "$INFOFILE")" ] && raiseError access "$INFOFILE" +JQ=$(which jq 2>/dev/null) || raiseError notfound "Need to install \"jq\"." +which sponge &>/dev/null || raiseError notfound "Need to install \"moreutils\"." + +checkfiles +checkdirs +checkremoved + |