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mojodna/gist:5282595

Last active December 15, 2015 15:29
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EC2 metadata
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gistfile1.sh
# Get the EC2 region from an instance, because ec2metadata only includes the availability zone (which is close, but not close enough).
REGION=$(curl http://169.254.169.254/latest/dynamic/instance-identity/document|grep region|awk -F\" '{print $4}')
# extended ec2metadata, including tags (requires an IAM role with ec2:DescribeTags)
list_instances -r $REGION -H T:Name,ID,Hostname,State -f "instance-id=$(ec2metadata --instance-id)"
export HOST=$(list_instances -r $REGION -H T:Name,ID,Hostname,State -f "instance-id=$(ec2metadata --instance-id)" | grep running | awk '{print $1}')
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