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katzefudder/check_ec2_tags.sh

Last active May 14, 2020 14:52
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Check for a TAG on your EC2 instance in AWS
Raw
check_ec2_tags.sh
#!/bin/bash
TAG_NAME="$1"
INSTANCE_ID="`wget -qO- http://instance-data/latest/meta-data/instance-id`"
REGION="`wget -qO- http://instance-data/latest/meta-data/placement/availability-zone | sed -e 's:\([0-9][0-9]*\)[a-z]*\$:\\1:'`"
TAG_VALUE="`aws ec2 describe-tags --filters "Name=resource-id,Values=$INSTANCE_ID" "Name=key,Values=$TAG_NAME" --region $REGION --output=text | cut -f5`"
echo $TAG_VALUE
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