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olvesh/netinfo.sh

Created October 19, 2016 07:53
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Find ip, subnet etc on AWS metadata service
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netinfo.sh
#!/usr/bin/env bash
DOMAIN=$(curl -s http://169.254.169.254/latest/meta-data/hostname | perl -n -e'/[A-Za-z0-9-]+\.(.*)/ && print $1')
IP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
MAC=$(curl -s http://169.254.169.254/latest/meta-data/mac)
CIDR=$(curl -s http://169.254.169.254/latest/meta-data/network/interfaces/macs/$MAC/vpc-ipv4-cidr-block)
RECURSOR=$( echo $CIDR | awk -F"." '{print $1 "." $2 "." $3 ".2"}')
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