Created
May 16, 2017 05:18
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#!/bin/bash | |
# | |
# Lego-admin.sh - create, renew, revoke certificates | |
# | |
### START CONFIGURATION ### | |
# Where lego stores certificattes | |
LEGO_HOME=/efs/lego | |
certificates=$LEGO_HOME/certificates | |
# The pems directory to store cert bundles used in web servers cert path such as haproxy | |
PEMS=$LEGO_HOME/certificates/pems | |
# List of fqdn to be managed - generated by confd or whatever automated process | |
domains=$(cat $LEGO_HOME/workspace/domains | grep -v ^$ |grep -v ^#) | |
# Let's encrypt service endpoints | |
production=https://acme-v01.api.letsencrypt.org/directory | |
staging=https://acme-staging.api.letsencrypt.org/directory | |
# Change to use $production for production | |
server=$staging | |
# Email for notification | |
email=admin@examplecom | |
# Lego options | |
flags=" --server=$server \ | |
--email=$email \ | |
--accept-tos \ | |
--key-type=rsa2048 \ | |
--path=/root/lego/ \ | |
--dns=route53 \ | |
--pem" | |
# Renew if certs have less than days_remain | |
days_remain="30" | |
# Lego image | |
IMAGE=lego | |
# Deployment key. IAM role works too, if AWS metadata url is not blocked for containers | |
AWS_CONFIG=/root/.aws | |
# Logs | |
log=/tmp/lego.log | |
rm -rf $log | |
### END OF CONFIGURATION ### | |
# Pull image | |
docker pull xenolf/lego | |
docker tag xenolf/lego lego | |
docker rm /lego > /dev/null 2>&1 | |
for i in $domains | |
do | |
opts="${flags} --d=$i" | |
if [ -f "$LEGO_HOME/certificates/$i.crt" ]; | |
then | |
action="renew" | |
args=" --days=${days_remain}" | |
else | |
action="run" | |
args="" | |
fi | |
echo "=== $action $i ===" | |
docker run --name lego -v /root/.aws:/root/.aws -v /efs/lego:/root/lego --rm -it lego $opts $action $args | |
[ -f $i.pem ] && mv $i.pem $PEMS | |
done > $log |
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