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EC2 spot instance terminating notify
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#!/bin/bash | |
az=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone) | |
region=${az%%?} | |
instance_id=$(curl -s http://169.254.169.254/latest/meta-data/instance-id) | |
logfile='/tmp/termination-time.out' | |
sns_arn=${ARN-undefined_arn} | |
sns_subject=${SUBJECT-"spot instance is terminating"} | |
message="{\"instanceId\": \"${instance_id}\", \"region\":\"${region}\"}" | |
polling() { | |
http_code=$(curl -s http://169.254.169.254/latest/meta-data/spot/termination-time -w "%{http_code}\n" -o $logfile) | |
if [[ $http_code != "404" ]]; then | |
return 0 | |
else | |
return 1 | |
fi | |
return false | |
} | |
notify() { | |
echo "spot instanceId: ${instance_id} in region: ${region} is terminating now" | |
aws sns --region $region publish --subject "$subject" --message "$message" --topic-arn $sns_arn | |
} | |
while true | |
do | |
polling && echo "got signal" && cat $logfile && notify && break | |
sleep 5 | |
done | |
exit 0 |
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