EBSのスナップショットが本日日付で取得されているかチェックする

aws-ebs-check-shnapshot

#!/usr/bin/env bash

export PATH=$PATH:/usr/local/bin/:/usr/bin

while getopts r: OPT
do
    case $OPT in
        "r" )
            REGION=$OPTARG
            ;;
    esac
done

export AWS_DEFAULT_REGION=${REGION:-ap-northeast-1}

INSTANCES=$( aws ec2 describe-tags\
    --filters "Name=resource-type,Values=instance" "Name=key,Values=backup"\
    --query "Tags[?Value=='ON'].ResourceId"\
    --output text )

DATE=$(date --date "9 hours ago" -u "+%Y-%m-%d")

if [ -z "$INSTANCES" ]; then
    exit 1
fi

for INSTANCE_ID in $INSTANCES
do
    VOLUMES=$( aws ec2 describe-volumes\
        --filters "Name=attachment.instance-id,Values=${INSTANCE_ID}"\
        --query "Volumes[].VolumeId"\
        --output text )

    if [ "$VOLUMES" ]; then
        for VOLUME_ID in $VOLUMES
        do
            SNAPSHOT=$( aws ec2 describe-snapshots\
                --filters "Name=volume-id,Values=${VOLUME_ID}" "Name=progress,Values=100%"\
                --query "reverse(sort_by(Snapshots,&StartTime))[].[StartTime][0]"\
                --output text | grep "${DATE}" )

            if [ -z "$SNAPSHOT" ]; then
               logger -is -p user.info -t "EBS-SNAPSHOT" "ERROR ${VOLUMES}"
            fi
        done
    fi
done

exit 0