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Add ability to opt-out dh param auto generation

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This commit is contained in:
Pan Teparak 2017-08-27 04:40:35 +07:00
parent f05f7a0ff9
commit 4b22ccdc81
2 changed files with 8 additions and 1 deletions
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3
docker-entrypoint.sh
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@ -16,7 +16,8 @@ fi
# Generate dhparam file if required
# Note: if $DHPARAM_BITS is not defined, generate-dhparam.sh will use 2048 as a default
/app/generate-dhparam.sh $DHPARAM_BITS
# Note2: if $GENERATE_DHPARAM is set to false in environment variable, dh param generator will skip completely
/app/generate-dhparam.sh $DHPARAM_BITS $GENERATE_DHPARAM
# Compute the DNS resolvers for use in the templates
export RESOLVERS=$(awk '$1 == "nameserver" {print $2}' ORS=' ' /etc/resolv.conf | sed 's/ *$//g')

6
generate-dhparam.sh
View File

@ -2,6 +2,7 @@
# The first argument is the bit depth of the dhparam, or 2048 if unspecified
DHPARAM_BITS=${1:-2048}
GENERATE_DHPARAM=${2:-true}
# If a dhparam file is not available, use the pre-generated one and generate a new one in the background.
# Note that /etc/nginx/dhparam is a volume, so this dhparam will persist restarts.
@ -25,6 +26,11 @@ if [[ -f $DHPARAM_FILE ]]; then
fi
fi
if [[ $GENERATE_DHPARAM =~ ^[Ff][Aa][Ll][Ss][Ee]$ ]]; then
echo "Skipping Diffie-Hellman parameters generation and Ignoring pre-generated dhparam.pem"
exit 0
fi
cat >&2 <<-EOT
WARNING: $DHPARAM_FILE was not found. A pre-generated dhparam.pem will be used for now while a new one
is being generated in the background. Once the new dhparam.pem is in place, nginx will be reloaded.