mirror of
https://github.com/schnidrig/openhab-ansible
synced 2026-01-12 08:58:46 +01:00
50 lines
1.1 KiB
Django/Jinja
50 lines
1.1 KiB
Django/Jinja
#!/bin/sh -e
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hostname="{{dynv6_name}}"
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device="{{dynv6_device}}"
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token="{{dynv6_token}}"
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file=$HOME/.dynv6.addr6
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[ -e $file ] && old=`cat $file`
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if [ -z "$hostname" -o -z "$token" ]; then
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echo "Usage: token=<your-authentication-token> [netmask=64] $0 your-name.dynv6.net [device]"
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exit 1
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fi
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if [ -z "$netmask" ]; then
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netmask=128
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fi
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if [ -n "$device" ]; then
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device="dev $device"
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fi
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address=$(ip -6 addr list scope global $device | grep -v " fd" | sed -n 's/.*inet6 \([0-9a-f:]\+\).*/\1/p' | head -n 1)
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if [ -e /usr/bin/curl ]; then
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bin="curl -fsS"
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elif [ -e /usr/bin/wget ]; then
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bin="wget -O-"
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else
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echo "neither curl nor wget found"
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exit 1
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fi
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if [ -z "$address" ]; then
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echo "no IPv6 address found"
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exit 1
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fi
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# address with netmask
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current=$address/$netmask
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if [ "$old" = "$current" ]; then
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echo "IPv6 address unchanged"
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exit
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fi
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# send addresses to dynv6
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$bin "http://dynv6.com/api/update?hostname=$hostname&ipv6=$current&token=$token"
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#$bin "http://ipv4.dynv6.com/api/update?hostname=$hostname&ipv4=auto&token=$token"
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# save current address
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echo $current > $file
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