LogArchiver2000: Simple archiver file that grabs files based on filenames and compresses them.. or something like that :-P

log-archive.sh

#!/bin/bash

#
# @description This script will simply just archive files which is of age month-1->n.
# @author vegaasen
# @since 16.12.2014
#

# Configuration
ARCHIVE_FOLDER_ID='logs-archive';
ARCHIVE_FOLDER="/home/<you>/iam1/$ARCHIVE_FOLDER_ID";
LOG_FOLDER="/home/<you>/iam1/logs";
DAYS_BACK=30;
## Logging of the output from the script itself
OUTPUT_FILE="logArchiver2000.out"
OUTPUT_PATH="/tmp/$OUTPUT_FILE";

function printUsage() {
        echo "Usage: ./log_archive.sh {candidates,archive,count} '<file-pattern>'";
        echo "ARCHIVE-Example: ./log_archive.sh archive \"cool-[0-9+]*\"";
        echo "CANDIDATES-Example: ./log_archive.sh candidates \"cool-[0-9+]*\"";
        echo "COUNT-Example: ./log_archive.sh count \"cool-[0-9+]*\"";
        echo "This will remove the files of the <file-pattern> for the previous month(s). E.g, if we're in January now, then all other months then January of the current year will be handled.";
        exit -1;
}

function verifyParameters() {
        if [ $# -lt 2 ]; then
                printUsage;
        fi
}

function conditionallyCreateArchiveFolder() {
        if [ ! -d $ARCHIVE_FOLDER ]; then
                echo "Folder $ARCHIVE_FOLDER does not exists. Creating it.";
                mkdir $ARCHIVE_FOLDER;
        fi
}

function archiveFiles() {
        FILE_PATTERN=$1;
        echo "Will try to archive file based on filePattern $FILE_PATTERN";
        if [ -z $FILE_PATTERN ]; then
                echo "Unable to operate on empty string.";
                printUsage;
        fi
        printNumbersOfCandidates $FILE_PATTERN;
        find $LOG_FOLDER -name "$FILE_PATTERN" -type f -mtime +$DAYS_BACK -exec gzip -1 {} \;
        find $LOG_FOLDER -name "$FILE_PATTERN" -type f -mtime +$DAYS_BACK -exec mv {} $ARCHIVE_FOLDER/. \;
}

function doIt() {
        conditionallyCreateArchiveFolder;
        archiveFiles $1;
}

function printNumbersOfCandidates() {
        FILE_PATTERN=$1;
        NUM_FILES=`find $LOG_FOLDER -name "$FILE_PATTERN" -type f -mtime +$DAYS_BACK -exec ls -l {} \; | wc -l`;
        echo "There were $NUM_FILES which is flagged and ready for archiving into folder $ARCHIVE_FOLDE";
}

function detectArchiveCandidates() {
        FILE_PATTERN=$1;
        find $LOG_FOLDER -name "$FILE_PATTERN" -type f -mtime +$DAYS_BACK -exec ls -l {} \;
        printNumbersOfCandidates $2;
}

echo "************************************************************";
echo "************************************************************";
echo "************************************************************";
echo "";
echo 'Weclome to the LogArchiver2000! This script will archive logs and stuff..';
echo "";
echo "************************************************************";
echo "Defaults: LogFolder: $LOG_FOLDER -- DAYS_BACK: $DAYS_BACK -- Archive Folder: $ARCHIVE_FOLDER_ID -- Archive Path: $ARCHIVE_FOLDER";
echo "************************************************************";
echo "************************************************************";

verifyParameters $1 $2;

case "$1" in
        'archive')
                echo "Initiate the archiving. Point of no return :-)!";
                doIt $2;
                exit 1;
                ;;
        'candidates')
                echo "Printing all files which is flagged for archiving";
                detectArchiveCandidates $2;
                exit 1;
                ;;
        'count')
                echo "Detecting number of candidates";
                printNumbersOfCandidates $2;
                                exit 1;
                ;;
        *)
                printUsage;
                                exit -1;
                ;;
esac;