97 lines
2.3 KiB
Plaintext
97 lines
2.3 KiB
Plaintext
|
#! /bin/sh
|
||
|
|
#
|
||
|
|
# usage: with cac ./generate-networking-configuration c838-828 cd
|
||
|
|
#
|
||
|
|
set -euf
|
||
|
|
|
||
|
|
cac_servername=$1
|
||
|
|
hostname=$2
|
||
|
|
|
||
|
|
# This is somewhat required because cloudatcost requires whitelisting
|
||
|
|
# of hosts. If you whitelist your localhost, then leave this empty.
|
||
|
|
# cac_via=
|
||
|
|
#
|
||
|
|
# cac_key=
|
||
|
|
# cac_login=
|
||
|
|
# cac_servername=
|
||
|
|
|
||
|
|
# hostname=
|
||
|
|
|
||
|
|
main() {
|
||
|
|
listservers=$(cac_listservers)
|
||
|
|
|
||
|
|
listserversstatus=$(echo $listservers | jq -r .status)
|
||
|
|
case $listserversstatus in
|
||
|
|
ok) : ;;
|
||
|
|
*)
|
||
|
|
echo $0: bad listservers status: $listserversstatus >&2
|
||
|
|
exit 1
|
||
|
|
esac
|
||
|
|
|
||
|
|
config=$(echo $listservers \
|
||
|
|
| jq -r ".data|map(select(.servername == \"$cac_servername\"))[]")
|
||
|
|
|
||
|
|
serverstatus=$(echo $config | jq -r .status)
|
||
|
|
case $serverstatus in
|
||
|
|
'Powered On') : ;;
|
||
|
|
*)
|
||
|
|
echo $0: bad server status: $serverstatus >&2
|
||
|
|
exit 2
|
||
|
|
esac
|
||
|
|
|
||
|
|
print_networking_configuraton "$config"
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
cac_listservers() {
|
||
|
|
if test -z "${cac_via-}"; then
|
||
|
|
curl -fsS \
|
||
|
|
"https://panel.cloudatcost.com/api/v1/listservers.php?key=$cac_key\&login=$cac_login"
|
||
|
|
else
|
||
|
|
ssh -q $cac_via -t curl -fsS \
|
||
|
|
"https://panel.cloudatcost.com/api/v1/listservers.php?key=$cac_key\\&login=$cac_login"
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
print_networking_configuraton() {
|
||
|
|
config=$1
|
||
|
|
address=$(echo $config | jq -r .ip)
|
||
|
|
gateway=$(echo $config | jq -r .gateway)
|
||
|
|
nameserver=8.8.8.8
|
||
|
|
netmask=$(echo $config | jq -r .netmask)
|
||
|
|
prefixLength=$(netmaskToPrefixLengh $netmask)
|
||
|
|
|
||
|
|
# TODO generate all config and put it into a temp dir, then rsync that
|
||
|
|
#
|
||
|
|
# upload configuration (to /root)
|
||
|
|
#
|
||
|
|
printf '{...}:\n'
|
||
|
|
printf '{\n'
|
||
|
|
printf ' networking.hostName = "%s";\n' $hostname
|
||
|
|
printf ' networking.interfaces.enp2s1.ip4 = [\n'
|
||
|
|
printf ' {\n'
|
||
|
|
printf ' address = "%s";\n' $address
|
||
|
|
printf ' prefixLength = %d;\n' $prefixLength
|
||
|
|
printf ' }\n'
|
||
|
|
printf ' ];\n'
|
||
|
|
printf ' networking.defaultGateway = "%s";\n' $gateway
|
||
|
|
printf ' networking.nameservers = [\n'
|
||
|
|
printf ' "%s"\n' $nameserver
|
||
|
|
printf ' ];\n'
|
||
|
|
printf '}\n'
|
||
|
|
}
|
||
|
|
|
||
|
|
netmaskToPrefixLengh() {
|
||
|
|
binaryNetmask=$(echo $1 | sed 's/^/obase=2;/;s/\./;/g' | bc | tr -d \\n)
|
||
|
|
binaryPrefix=$(echo $binaryNetmask | sed -n 's/^\(1*\)0*$/\1/p')
|
||
|
|
if ! echo $binaryPrefix | grep -q .; then
|
||
|
|
echo $0: bad netmask: $netmask >&2
|
||
|
|
exit 4
|
||
|
|
fi
|
||
|
|
printf %s $binaryPrefix | tr -d 0 | wc -c
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
main "$@"
|