declare -a recPubKeys # for processArguments function
declare recipients # for main function
+## Initialize variables
+OPTION_VERBOSE=""; OPTION_ENCRYPT=""; OPTION_COMPRESS=""; OPTION_TMPDIR="";
+
#===BEGIN Declare local script functions===
checkapp() {
# Desc: If arg is a command, save result in assoc array 'appRollCall'
echoerr " Encrypt output."
echoerr
echoerr " -r, --recipient [ pubkey string ]"
- echoerr " Specify recipient."
+ echoerr " Specify recipient. May be age or ssh pubkey."
+ echoerr " See https://github.com/FiloSottile/age"
echoerr
echoerr " -o, --output [ directory ]"
echoerr " Specify output directory to save logs."
echoerr " -c, --compress"
echoerr " Compress output with gzip (before encryption if enabled)."
echoerr
+ echoerr " -z, --time-zone"
+ echoerr " Specify time zone. (ex: \"America/New_York\")"
+ echoerr
+ echoerr " -t, --temp-dir"
+ echoerr " Specify parent directory for temporary working directory."
+ echoerr " Default: \"/dev/shm\""
+ echoerr
echoerr "EXAMPLE: (bash script lines)"
echoerr "/bin/bash bkgpslog -e -c \\"
echoerr "-r age1mrmfnwhtlprn4jquex0ukmwcm7y2nxlphuzgsgv8ew2k9mewy3rs8u7su5 \\"
-o | --output) if [ -d "$2" ]; then DIR_OUT="$2"; vbm "DEBUG:DIR_OUT:$DIR_OUT"; shift; fi ;; # Define output directory.
-e | --encrypt) OPTION_ENCRYPT="true"; vbm "DEBUG:Encrypted output mode enabled.";;
-r | --recipient) # Add 'age' recipient via public key string
- recPubKeys+=("$2"); vbm "pubkey added:""$2"; shift;;
+ recPubKeys+=("$2"); vbm "STATUS:pubkey added:""$2"; shift;;
-c | --compress) OPTION_COMPRESS="true"; vbm "DEBUG:Compressed output mode enabled.";;
- -z | --time-zone) try setTimeZoneEV "$1";;
- *) echoerr "ERROR: Unrecognized argument."; exit 1;; # Handle unrecognized options.
+ -z | --time-zone) try setTimeZoneEV "$2"; shift;;
+ -t | --temp-dir) OPTION_TMPDIR="true" && TMP_DIR_PRIORITY="$2"; shift;;
+ *) echoerr "ERROR: Unrecognized argument: $1"; echoerr "STATUS:All arguments:$*"; exit 1;; # Handle unrecognized options.
esac
shift
done
} # Seconds until next (day|hour).
main() {
processArguments "$@" # Process arguments.
-
+
# Determine working directory
+ ## Set DIR_TMP_PARENT to user-specified value if specified
+ if [[ "$OPTION_TMPDIR" = "true" ]]; then
+ if [[ -d "$TMP_DIR_PRIORITY" ]]; then
+ DIR_TMP_PARENT="$OPTION_TMPDIR";
+ else
+ yell "WARNING:Specified temporary working directory not valid:$OPTION_TMP_DIR";
+ exit 1;
+ fi
+ fi
+
+ ## Set DIR_TMP_PARENT to default or fallback otherwise
if [[ -d "$DIR_TMP_DEFAULT" ]]; then
- DIR_TMP_BASE="$DIR_TMP_DEFAULT"; # Use default working directory parent (ex: '/dev/shm')
- #### elif [[ -d /tmp ]]; then
- #### yell "WARNING:/dev/shm not available. Falling back to /tmp .";
- #### DIR_TMP_BASE="/tmp";
+ DIR_TMP_PARENT="$DIR_TMP_DEFAULT";
+ elif [[ -d /tmp ]]; then
+ yell "WARNING:/dev/shm not available. Falling back to /tmp .";
+ DIR_TMP_PARENT="/tmp";
else
yell "ERROR:No valid working directory available. Exiting.";
exit 1;
fi
- DIR_TMP="$DIR_TMP_BASE"/"$SCRIPT_TIME_START""..bkgpslog"; # Define working directory for temproary files
+
+ ## Set DIR_TMP using DIR_TMP_PARENT and nonce (SCRIPT_TIME_START)
+ DIR_TMP="$DIR_TMP_PARENT"/"$SCRIPT_TIME_START""..bkgpslog" && vbm "DEBUG:Set DIR_TMP to:$DIR_TMP"; # Note: removed at end of main().
# Set output encryption and compression option strings
if [[ "$OPTION_ENCRYPT" = "true" ]]; then # Check if encryption option active.
if echo "butts" | age -a -r "$pubkey" 1>/dev/null; then
# Form age recipient string
recipients="$recipients""-r $pubkey ";
- vbm "Added pubkey for forming age recipient string:""$pubkey";
+ vbm "STATUS:Added pubkey for forming age recipient string:""$pubkey";
vbm "DEBUG:recipients:""$recipients";
else
yell "ERROR:Exit code ""$?"". Invalid recipient pubkey string. Exiting."; exit 1;
bufferTTL_STR="$(timeDuration $BUFFER_TTL)";
# Init temp working dir
- try mkdir "$DIR_TMP" && vbm "DEBUG:Working dir creatd at:$DIR_TMP"
+ try mkdir "$DIR_TMP" && vbm "DEBUG:Working dir creatd at:$DIR_TMP";
# Initialize 'tar' archive
## Define output tar path (note: each day gets *one* tar file (Ex: "20200731..hostname_location.[.gpx.gz].tar"))
- PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar
+ PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && vbm "STATUS:Set PATHOUT_TAR to:$PATHOUT_TAR";
## Write bkgpslog version to DIR_TMP/VERSION
- echo "$0"" Version:""$SCRIPT_VERSION" >> "$DIR_TMP/VERSION" && vbm "DEBUG:VERSION created."
- ## Create empty tar archive at PATHOUT_TAR
- try tar --create --directory="$DIR_TMP" --file="$PATHOUT_TAR" --files-from=/dev/null && vbm "DEBUG:""$PATHOUT_TAR"" created."
+ echo "$0"" Version:""$SCRIPT_VERSION" >> "$DIR_TMP/VERSION" && vbm "DEBUG:VERSION created.";
+ ## Check if PATHOUT_TAR already exists.
+ if [[ -f "$PATHOUT_TAR" ]]; then
+ vbm "STATUS:Output tar already exists:$PATHOUT_TAR";
+ ### Check if preexisting tar is appendable.
+ PATHOUT_APPENDTEST="$DIR_TMP"/"$(dateTimeShort)..append_test.txt" && vbm "DEBUG:Set PATHOUT_APPENDTEST to:$PATHOUT_APPENDTEST";
+ echo "$(dateTimeShort)" >> "$PATHOUT_APPENDTEST" && vbm "DEBUG:""$PATHOUT_APPENDTEST"" created."
+ if ! tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_APPENDTEST")"; then
+ ### If not appendable, label tar broken, move tar, proceed.
+ mv "$PATHOUT_TAR" "${PATHOUT_TAR%.*}""-broken$(dateTimeShort)".tar && vbm "DEBUG:tar not writable, moving out of the way $PATHOUT_TAR";
+ fi
+ else
+ vbm "STATUS:Output tar does not already exist. Creating:$PATHOUT_TAR"
+ ### If (no preexisting|appendable) tar found, create empty tar archive at PATHOUT_TAR
+ try tar --create --directory="$DIR_TMP" --file="$PATHOUT_TAR" --files-from=/dev/null && vbm "DEBUG:Empty tar created at:$PATHOUT_TAR";
+ fi
## Append VERSION file to PATHOUT_TAR
- try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "VERSION" && vbm "DEBUG:VERSION added to $PATHOUT_TAR"
+ try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "VERSION" && vbm "DEBUG:VERSION added to $PATHOUT_TAR";
# Record gps data until script lifespan ends
declare debugCounter; debugCounter="0"; # set debug counter
timeStart=$(dateTimeShort); # Note start time
while [[ "$SECONDS" -lt "$scriptTTL" ]]; do
# Determine file paths (time is start of buffer period)
- FILEOUT_BASENAME="$timeStart""--""$bufferTTL_STR""..""$SCRIPT_HOSTNAME""_location" ; # ISO-8601 YYYYmmddTHHMMSS+zzP[$bufferTTL]S
+ FILEOUT_BASENAME="$timeStart""--""$bufferTTL_STR""..""$SCRIPT_HOSTNAME""_location" && vbm "STATUS:Set FILEOUT_BASENAME to:$FILEOUT_BASENAME";
## Files saved to DIR_TMP
- PATHOUT_NMEA="$DIR_TMP"/"$FILEOUT_BASENAME".nmea"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" ;
- PATHOUT_GPX="$DIR_TMP"/"$FILEOUT_BASENAME".gpx"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" ;
- PATHOUT_KML="$DIR_TMP"/"$FILEOUT_BASENAME".kml"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" ;
+ PATHOUT_NMEA="$DIR_TMP"/"$FILEOUT_BASENAME".nmea"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set PATHOUT_NMEA to:$PATHOUT_NMEA";
+ PATHOUT_GPX="$DIR_TMP"/"$FILEOUT_BASENAME".gpx"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set PATHOUT_GPX to:$PATHOUT_GPX";
+ PATHOUT_KML="$DIR_TMP"/"$FILEOUT_BASENAME".kml"$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX" && vbm "STATUS:Set PATHOUT_KML to:$PATHOUT_KML";
## Files saved to disk (DIR_OUT)
### one file per day (Ex: "20200731..hostname_location.[.gpx.gz].tar")
- PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar
+ PATHOUT_TAR="$DIR_OUT"/"$(dateShort)".."$SCRIPT_HOSTNAME""_location""$CMD_COMPRESS_SUFFIX""$CMD_ENCRYPT_SUFFIX".tar && \
+ vbm "STATUS:Set PATHOUT_TAR to:$PATHOUT_TAR"
# Define GPS conversion commands
- CMD_CONV_NMEA="tee /dev/null " ; # tee as passthrough
- CMD_CONV_GPX="gpsbabel -i nmea -f - -o gpx -F - " ; # convert NMEA to GPX
- CMD_CONV_KML="gpsbabel -i nmea -f - -o kml -F - " ; # convert NMEA to KML
+ CMD_CONV_NMEA="tee /dev/null " && vbm "STATUS:Set CMD_CONV_NMEA to:$CMD_CONV_NMEA"; # tee as passthrough
+ CMD_CONV_GPX="gpsbabel -i nmea -f - -o gpx -F - " && vbm "STATUS:Set CMD_CONV_GPX to:$CMD_CONV_GPX"; # convert NMEA to GPX
+ CMD_CONV_KML="gpsbabel -i nmea -f - -o kml -F - " && vbm "STATUS:Set CMD_CONV_KML to:$CMD_CONV_KML"; # convert NMEA to KML
# Fill Bash variable buffer
- bufferBash="$(timeout "$BUFFER_TTL""s" gpspipe -r)"; # Record gpspipe nmea data to buffer for bufferTTL seconds
+ bufferBash="$(timeout "$BUFFER_TTL""s" gpspipe -r)" && vbm "STATUS:Successfully filled bufferBash variable with gpspipe data."; # Record gpspipe nmea data to buffer for bufferTTL seconds
# Process bufferBash, save secured chunk set to DIR_TMP
+ vbm "STATUS:Beginning to save data to $DIR_TMP";
echo "$bufferBash" | $CMD_CONV_NMEA | $CMD_COMPRESS | $CMD_ENCRYPT > "$PATHOUT_NMEA" & # Create NMEA file (secured if requested)
echo "$bufferBash" | $CMD_CONV_GPX | $CMD_COMPRESS | $CMD_ENCRYPT > "$PATHOUT_GPX" & # Create GPX file (secured if requested)
echo "$bufferBash" | $CMD_CONV_KML | $CMD_COMPRESS | $CMD_ENCRYPT > "$PATHOUT_KML" & # Create KML file (secured if requested)
- vbm "DEBUG:Completed buffer session $debugCounter ." 1>&2;
# Append each secured chunk in memory dir (DIR_TMP) to file on disk (PATHOUT_TAR in DIR_OUT)
- try tar --append --directory="$(dirname $"PATHOUT_NMEA")" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_NMEA")" && \
+ vbm "STATUS:DIR_TMP :$DIR_TMP";
+ vbm "STATUS:PATHOUT_TAR :$PATHOUT_TAR";
+ vbm "STATUS:PATHOUT_NMEA:$PATHOUT_NMEA";
+ vbm "STATUS:PATHOUT_NMEA:$PATHOUT_GPX";
+ vbm "STATUS:PATHOUT_NMEA:$PATHOUT_KML";
+ try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_NMEA")" && \
vbm "DEBUG:Appended NMEA location data $PATHOUT_NMEA to $PATHOUT_TAR";
- try tar --append --directory="$(dirname $"PATHOUT_GPX")" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_GPX")" && \
+ try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_GPX")" && \
vbm "DEBUG:Appended GPX location data $PATHOUT_GPX to $PATHOUT_TAR";
- try tar --append --directory="$(dirname $"PATHOUT_KML")" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_KML")" && \
+ try tar --append --directory="$DIR_TMP" --file="$PATHOUT_TAR" "$(basename "$PATHOUT_KML")" && \
vbm "DEBUG:Appended KML location $PATHOUT_KML to $PATHOUT_TAR";
# Remove secured chunks from DIR_TMP
- try rm "$PATHOUT_NMEA" "$PATHOUT_NMEA" "$PATHOUT_NMEA";
+ try rm "$PATHOUT_NMEA" "$PATHOUT_GPX" "$PATHOUT_KML";
# Reset buffer and filenames
unset bufferBash FILEOUT_BASENAME PATHOUT_NMEA PATHOUT_GPX PATHOUT_KML PATHOUT_TAR;
+ vbm "DEBUG:Completed buffer session $debugCounter ." 1>&2;
((debugCounter++))
done
+
+ # Remove DIR_TMP
+ try rm -r "$DIR_TMP";
} # Main function.
#===END Declare local script functions===
#==END Define script parameters==
projects / EVA-2020-02.git / blobdiff