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92 lines
2.6 KiB
92 lines
2.6 KiB
#!/bin/sh
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# TODO :
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# - Add detection of VPN Interface to remove error message
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DEBUG() {
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[ "$_DEBUG" = "on" ] && $@
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}
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# Define VPN interface name
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VPNIF="vpnaltinea"
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if ! [ -x "$(command -v sendEmail)" ]; then
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echo "sendEmail could not be found, I'll install it for you"
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apt install -y sendemail
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fi
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if ! [ -x "$(command -v jq)" ]; then
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echo "jq could not be found, I'll install it for you"
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apt install -y jq
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fi
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# Get public IP addresses
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EXTIP4=`curl -s https://checkipv4.altinea.fr/getIP.php`
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EXTIP6=`curl -s https://checkipv6.altinea.fr/getIP.php`
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# Testing if returned IPs are empty and setting
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# a dummy value for later comparison
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if [ -z "$EXTIP4" ]; then
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EXTIP4='dummy'
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fi
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if [ -z "$EXTIP6" ]; then
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EXTIP6='dummy'
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fi
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# Check if found IPv4 address is configured on this server
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if [ $(hostname -I |grep -c $EXTIP4) -ne 0 ]; then
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IP4=$EXTIP4
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else
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# Let see if we can find an ip address on the configured VPN interface
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DEBUG echo "Couldn't find a public IPv4 address on this host"
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DEBUG echo "Let see if we find a $VPNIF wireguard interface"
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VPNIP4=`ip -j addr show dev $VPNIF | jq -r '.[0].addr_info | map(select(.family == "inet"))[0].local'`
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if [ -z "$VPNIP4" ]; then
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DEBUG echo "Can't find an IPv4 address on $VPNIF interface"
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else
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DEBUG echo "Found VPN IPv4 : $VPNIP4. Using it for monitoring purposes"
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IP4=$VPNIP4
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fi
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fi
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# Same routine for IPv6
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if [ $(hostname -I |grep -c $EXTIP6) -ne 0 ]; then
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IP6=$EXTIP6
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else
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DEBUG echo "Couldn't find a public IPv6 address on this host"
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DEBUG echo "Let see if we find an IPv6 on $VPNIF interface"
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VPNIP6=`ip -j addr show dev $VPNIF | jq -r '.[0].addr_info | map(select(.family == "inet6"))[0].local'`
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if [ -z "$VPNIP6" ]; then
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DEBUG echo "Can't find an IPv6 address on $VPNIF interface"
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else
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DEBUG echo "Found VPN IPv6 : $VPNIP6. Using it for monitoring purposes"
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IP6=$VPNIP6
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fi
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fi
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# Generate first part on the command
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COMMAND="sendEmail -f noc@altinea.fr -u Nouvelle demande de monitoring -t support@altinea.fr -m Nouvelle IP à monitorer :\n"`hostname -f`"\n"
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# Add IPv4 if found
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if [ -z "$IP4" ]; then
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DEBUG echo "Sorry we're unable to find a routable IPv4 address, sorry !"
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else
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COMMAND="$COMMAND IPv4 : $IP4\n"
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fi
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# Add IPv6 if found
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if [ -z "$IP6" ]; then
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DEBUG echo "Sorry we're unable to find a routable IPv6 address, sorry !"
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else
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COMMAND="$COMMAND IPv6 : $IP6\n"
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fi
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COMMAND="$COMMAND -o tls=no -o message-charset=UTF-8 -s zpush.altinea.fr"
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# And run the request by mail
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if [ "$_DRYRUN" = "on" ]; then
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echo $COMMAND
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else
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$COMMAND
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fi
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