Subversion Repositories programming

#!/bin/bash

################################################################################

#

# Copyright (c) 2005,2006: Ira W. Snyder (devel@irasnyder.com)

# License: GNU General Public License v2 (or at your option, any later version)

#

################################################################################

# This script needs mktemp, smartctl, mailx, tee, sleep, echo,

# date, hostname, and rm in your path in order to work.

################################################################################

###                            Config Options                                ###

################################################################################

TMPFILE="$(mktemp)" || (echo "Failed to create tempfile" && exit 1)

EMAIL_ADDR=""

EMAIL_FILE="${TMPFILE}"

RAID_DEVICE="/dev/md0"

RAID_DRIVE_BASE="/dev/sd"

RAID_DRIVE_LETTERS="a b c d e f g h"

SMART_SLEEP_TIME="160m"

# Call clean_up() on interrupt

trap clean_up SIGHUP SIGINT SIGTERM

################################################################################

###                            Functions                                     ###

################################################################################

# Anything that needs to be run before the main program starts

# goes in this function

function pre_startup () {

}

# Anything that needs to be run after the main program finishes

# goes in this function

function clean_up () {

    for l in $RAID_DRIVE_LETTERS; do

        remove_file "${EMAIL_FILE}.${l}"

    done

    remove_file "${EMAIL_FILE}"

}

function remove_file () {

    if [ -f "$1" ]; then

        echo "Removing: $1"

        rm "$1"

    fi

}

# Generate a nice header for the email

function generate_header () {

    echo "raid_checker v1.0"

    echo "Copyright (c) 2005,2006: Ira W. Snyder (devel@irasnyder.com)"

    echo "====================================================================="

    echo

}

################################################################################

###                            The main program                              ###

################################################################################

# Run pre-startup stuff

pre_startup

# Make the header

generate_header | tee -a "$EMAIL_FILE"

# Get start date / time

START_TIME="$(date)"

### Optional stuff, disabled for now, since you MUST be offline to perform

### both checks, and I don't want to have to go offline once a month.

# Run smartctl on each drive, giving the output to a different file

# for each drive

for l in $RAID_DRIVE_LETTERS; do

    DRIVE="${RAID_DRIVE_BASE}${l}"

    DRIVE_FILE="${EMAIL_FILE}.${l}"

    echo "SMART checking drive: ${DRIVE}" | tee -a "$DRIVE_FILE"

    echo "=================================================" | tee -a "$DRIVE_FILE"

    smartctl -t long "${DRIVE}" 2>&1 | tee -a "$DRIVE_FILE"

    echo | tee -a "$DRIVE_FILE"

    echo | tee -a "$DRIVE_FILE"

done

# Sleep to give time for all drives to do their thing

sleep "${SMART_SLEEP_TIME}"

# Get the results of thest for each drive, giving the output to a different

# file for each drive

for l in $RAID_DRIVE_LETTERS; do

    DRIVE="${RAID_DRIVE_BASE}${l}"

    DRIVE_FILE="${EMAIL_FILE}.${l}"

    smartctl -d ata -l selftest "${DRIVE}" 2>&1 | tee -a "$DRIVE_FILE"

    echo | tee -a "$DRIVE_FILE"

    echo | tee -a "$DRIVE_FILE"

done

# Accumulate the results into the main file

for l in $RAID_DRIVE_LETTERS; do

    DRIVE_FILE="${EMAIL_FILE}.${l}"

    cat "$DRIVE_FILE" >> "$EMAIL_FILE"

done

# Get finish date / time

FINISH_TIME="$(date)"

# Print the final bits to the email

echo "Start time:  ${START_TIME}"  | tee -a "$EMAIL_FILE"

echo "Finish time: ${FINISH_TIME}" | tee -a "$EMAIL_FILE"

# Mail out the file

mailx -s "RAID Check Results from: $(hostname --fqdn)" "$EMAIL_ADDR" < "$EMAIL_FILE"

# Clean up the email files, etc.

clean_up