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vcp-bula-nixfiles/hosts/router/ppp.nix

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{ config, pkgs, ... }:
{
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sops.secrets.ppp_secrets = {
path = "/etc/ppp/pap-secrets";
mode = "0440";
};
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# Setting default routes based on interfaces in different tables
environment.etc."ppp/ip-up" = {
text = ''
#! ${pkgs.runtimeShell} -e
case $1 in
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ppp-uplink-a)
${pkgs.iproute2}/bin/ip route flush table 20001 || true
${pkgs.iproute2}/bin/ip route add default dev ppp-uplink-a table 20001
${pkgs.iproute2}/bin/ip route replace default dev ppp-uplink-a metric 2000
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;;
ppp-uplink-b)
${pkgs.iproute2}/bin/ip route flush table 20002 || true
${pkgs.iproute2}/bin/ip route add default dev ppp-uplink-b table 20002
${pkgs.iproute2}/bin/ip route replace default dev ppp-uplink-b metric 1000
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;;
esac
'';
mode = "555";
};
environment.etc."ppp/ip-down" = {
text = ''
#! ${pkgs.runtimeShell} -e
case $1 in
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ppp-uplink-a)
${pkgs.iproute2}/bin/ip route flush table 20001 || true
${pkgs.iproute2}/bin/ip route delete default dev ppp-uplink-a || true
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;;
ppp-uplink-b)
${pkgs.iproute2}/bin/ip route flush table 20002 || true
${pkgs.iproute2}/bin/ip route delete default dev ppp-uplink-b || true
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;;
esac
'';
mode = "555";
};
environment.etc."ppp/ipv6-up" = {
text = ''
#! ${pkgs.runtimeShell} -e
case $1 in
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ppp-uplink-a)
${pkgs.iproute2}/bin/ip -6 route flush table 20001 || true
${pkgs.iproute2}/bin/ip -6 route add default dev ppp-uplink-a table 20001
${pkgs.iproute2}/bin/ip -6 route replace default dev ppp-uplink-a metric 2000
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;;
ppp-uplink-b)
${pkgs.iproute2}/bin/ip -6 route flush table 20002 || true
${pkgs.iproute2}/bin/ip -6 route add default dev ppp-uplink-b table 20002
${pkgs.iproute2}/bin/ip -6 route replace default dev ppp-uplink-b metric 1000
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;;
esac
'';
mode = "555";
};
environment.etc."ppp/ipv6-down" = {
text = ''
#! ${pkgs.runtimeShell} -e
case $1 in
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ppp-uplink-a)
${pkgs.iproute2}/bin/ip -6 route flush table 20001 || true
${pkgs.iproute2}/bin/ip -6 route delete default dev ppp-uplink-a || true
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;;
ppp-uplink-b)
${pkgs.iproute2}/bin/ip -6 route flush table 20002 || true
${pkgs.iproute2}/bin/ip -6 route delete default dev ppp-uplink-b || true
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;;
esac
'';
mode = "555";
};
}