Check a snapshot details of AWS EBS volume

check_snapshot.sh

#!/bin/bash


########

        # Purpose :- When you run create snapshot.sh it take some time to create snapshot
        # the status of snapshot is pending once it start creating.
        # So after executing create_snapshot.sh after some time you execute check_snapshot to check final status of snapshot
        # Provide your Access and Secret Key also check your Region 
        # Bug Report to :- jadhav.nitin941@gmail.com
########


export JAVA_HOME=/usr/local/java
export EC2_HOME=/usr/bin/ec2
export AWS_ACCESS_KEY=*************************************
export AWS_SECRET_KEY=*************************************
export EC2_URL=https://ec2.ap-southeast-1.amazonaws.com
export PATH=/usr/bin/ec2/bin/:$EC2_HOME:$JAVA_HOME:$PATH:/usr/local/elastic-mapreduce-cli:$AWS_SNS_HOME/bin

DATE=$(date +%F)
BACKUP_DIR="/data"
PROGNAME=$(basename $0)
BOX=$(uname -n)
LOGDIR="${BACKUP_DIR}/logs/"
COMPUTATION_LOGFILE="SNAPSHOT_${DATE}.log"
LOGFILE="${PROGNAME}_${DATE}.log"
LOCKFILE="/tmp/${PROGNAME}.lock"
MAILTO="jadhav.nitin941@gmail.com"


LOCK_FILE ()
{
        if [ "$1" = "create" ]; then
                if [ -f $LOCKFILE ]; then
                        SEND_MAIL "ERROR ::" "Unable to create lock may lock file not removed"
                        exit 0
                else
                touch $LOCKFILE
                fi
        fi
        if [ "$1" = "remove" ]; then
                rm -fr $LOCKFILE
                exit 0
        fi
}



SEND_MAIL ()
{
        mail -s "${BOX} :: ${PROGNAME} : $1 $2"  -F ${MAILFROM} -t $MAILTO < $LOGDIR/$LOGFILE
}

LOCK_FILE "create"
touch $LOGDIR/$LOGFILE
echo "Script started at :- $(date)" 1>> $LOGDIR/$LOGFILE 2>> $LOGDIR/$LOGFILE
echo "=================================================================================" 1>> $LOGDIR/$LOGFILE 2>> $LOGDIR/$LOGFILE
SNAPSHOT_LIST=$(cat ${LOGDIR}${COMPUTATION_LOGFILE} | grep "^snap" | awk '{print $1}' | sort | uniq ) 

        for SNAP_NAME in ${SNAPSHOT_LIST}
        do
                ec2-describe-snapshots  ${SNAP_NAME} | awk '{print $2 "/\t" $3 "/\t" $4  "/\t" "/\t" $5}' | tr -d '/'  1>> $LOGDIR/$LOGFILE 2>> $LOGDIR/$LOGFILE
                if [ $? -ne 0 ];then
                        SEND_MAIL "ERROR ::" "Unable to describe Snapshot ${SNAP_NAME} "
                fi

        done
echo "=================================================================================" 1>> $LOGDIR/$LOGFILE 2>> $LOGDIR/$LOGFILE
        echo "Script ended at :- $(date)" 1>> $LOGDIR/$LOGFILE 2>> $LOGDIR/$LOGFILE
        SEND_MAIL "" "Snapshot creation details  "
        LOCK_FILE "remove"