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| -rwxr-xr-x | networking-configuration | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/networking-configuration b/networking-configuration new file mode 100755 index 000000000..74a789059 --- /dev/null +++ b/networking-configuration @@ -0,0 +1,96 @@ +#! /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 $binaryPrefix | tr -d 0 | wc -c +} + + +main "$@" |