adding archiveweblogs

shell/archiveweblogs.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+#
+#  This script will preserve the normally rotated and
+#  thrown away weblogs from a default RedHat/Apache installation.
+#  It will save the files with a date/time stamp in the filename,
+#  bzipped, to a given directory.
+#
+#  Run this from crontab nightly at an off hour,
+#  as bzip2 can suck up some serious CPU on huge logs:
+#  0 2 * * * /opt/sbin/archiveweblogs.sh
+#
+# SPDX-License-Identifier: MIT
+
+PROBLEM=66
+
+# Set this to your backup dir.
+BKP_DIR=/opt/backups/weblogs
+
+# Default Apache/RedHat stuff
+LOG_DAYS="4 3 2 1"
+LOG_DIR=/var/log/httpd
+LOG_FILES="access_log error_log"
+
+# Default RedHat program locations
+LS=/bin/ls
+MV=/bin/mv
+ID=/usr/bin/id
+CUT=/bin/cut
+COL=/usr/bin/column
+BZ2=/usr/bin/bzip2
+
+# Are we root?
+USER=$($ID -u)
+if [ "X$USER" != "X0" ]; then
+  echo "PANIC: Only root can run this script!"
+  exit $PROBLEM
+fi
+
+# Backup dir exists/writable?
+if [ ! -x "$BKP_DIR" ]; then
+  echo "PANIC: $BKP_DIR doesn't exist or isn't writable!"
+  exit $PROBLEM
+fi
+
+# Move, rename and bzip2 the logs
+for logday in $LOG_DAYS; do
+  for logfile in $LOG_FILES; do
+    MYFILE="$LOG_DIR/$logfile.$logday"
+    if [ -w "$MYFILE" ]; then
+      DTS=$($LS -lgo --time-style=+%Y%m%d "$MYFILE" | $COL -t | $CUT -d ' ' -f7)
+      $MV "$MYFILE" "$BKP_DIR/$logfile.$DTS"
+      $BZ2 "$BKP_DIR/$logfile.$DTS"
+    else
+      # Only spew an error if the file exits (ergo non-writable).
+      if [ -f "$MYFILE" ]; then
+        echo "ERROR: $MYFILE not writable. Skipping."
+      fi
+    fi
+  done
+done
+
+exit 0