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We default the IPs from the environment, too.

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This commit is contained in:
Dustin Oprea 2016-05-18 00:08:17 -04:00
parent 4c0c134102
commit cb946063d2
1 changed files with 7 additions and 5 deletions
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12
vpnsetup.sh
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@ -22,9 +22,11 @@
# - All values MUST be quoted using 'single quotes'
# - DO NOT use these characters inside values: \ " '
IPSEC_PSK="$VPNSETUP_IPSEC_PSK"
VPN_USER="$VPNSETUP_USERNAME"
VPN_PASSWORD="$VPNSETUP_PASSWORD"
IPSEC_PSK="$VPN_IPSEC_PSK"
VPN_USER="$VPN_USERNAME"
VPN_PASSWORD="$VPN_PASSWORD"
PUBLIC_IP="$VPN_PUBLIC_IP"
PRIVATE_IP="$VPN_PRIVATE_IP"
# Important Notes: https://git.io/vpnnotes
# Setup VPN Clients: https://git.io/vpnclients
@ -108,8 +110,8 @@ echo
# In Amazon EC2, these two variables will be retrieved from metadata.
# For all other servers, replace them with actual IPs or comment out.
# If your server only has a public IP, put that IP on both lines.
PUBLIC_IP=$(wget --retry-connrefused -t 3 -T 15 -qO- 'http://169.254.169.254/latest/meta-data/public-ipv4')
PRIVATE_IP=$(wget --retry-connrefused -t 3 -T 15 -qO- 'http://169.254.169.254/latest/meta-data/local-ipv4')
[ -z "$PUBLIC_IP" ] && PUBLIC_IP=$(wget --retry-connrefused -t 3 -T 15 -qO- 'http://169.254.169.254/latest/meta-data/public-ipv4')
[ -z "$PRIVATE_IP" ] && PRIVATE_IP=$(wget --retry-connrefused -t 3 -T 15 -qO- 'http://169.254.169.254/latest/meta-data/local-ipv4')
# Try to find IPs for non-EC2 servers
[ -z "$PUBLIC_IP" ] && PUBLIC_IP=$(dig +short myip.opendns.com @resolver1.opendns.com)