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piaoger/get-public-ipv4.sh

Created September 12, 2016 06:20
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get-public-ipv4.sh
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get-public-ipv4.sh
# get public ipv4
# http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html
# http://stackoverflow.com/questions/14594151/methods-to-detect-public-ip-address-in-bash
AMI_ID=$(curl --connect-timeout 5 "http://169.254.169.254/latest/meta-data/ami-id")
if [[ $AMI_ID == ami-* ]] ;
then
IPV4=$(curl --connect-timeout 5 "http://169.254.169.254/latest/meta-data/public-ipv4")
else
IPV4=$(curl --connect-timeout 5 "http://ipinfo.io/ip")
fi
echo "public-ivp4: $IPV4"
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