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https://github.com/nmasur/dotfiles
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enable cloudflare tunnel for ssh
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parent
a6551ce043
commit
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@ -40,6 +40,7 @@ nixpkgs.lib.nixosSystem {
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neovim.enable = true;
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caddy.enable = true;
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cloudflare.enable = true;
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cloudflareTunnel.enable = true;
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streamServer = "stream.masu.rs";
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nextcloudServer = "cloud.masu.rs";
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bookServer = "books.masu.rs";
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67
modules/nixos/services/cloudflare-tunnel.nix
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67
modules/nixos/services/cloudflare-tunnel.nix
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@ -0,0 +1,67 @@
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{ config, lib, ... }:
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# First time setup:
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# nix-shell -p cloudflared
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# cloudflared tunnel login
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# cloudflared tunnel create <mytunnel>
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# nix run github:nmasur/dotfiles#encrypt-secret > private/cloudflared.age
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# Paste ~/.cloudflared/<id>.json
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# Set tunnelId = "<id>"
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# Remove ~/.cloudflared/
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let tunnelId = "646754ac-2149-4a58-b51a-e1d0a1f3ade2";
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in {
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options.cloudflareTunnel.enable = lib.mkEnableOption "Use Cloudflare Tunnel";
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config = lib.mkIf config.cloudflare.enable {
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services.cloudflared = {
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enable = true;
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tunnels = {
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"${tunnelId}" = {
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credentialsFile = config.secrets.cloudflared.dest;
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default = "http_status:404";
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ingress = { "*.masu.rs" = "ssh://localhost:22"; };
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};
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};
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};
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environment.etc = {
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"ssh/ca.pub".text = ''
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ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCHF/UMtJqPFrf6f6GRY0ZFnkCW7b6sYgUTjTtNfRj1RdmNic1NoJZql7y6BrqQinZvy7nsr1UFDNWoHn6ah3tg= open-ssh-ca@cloudflareaccess.org
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'';
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# Must match the username of the email address in Cloudflare Access
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"ssh/authorized_principals".text = ''
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${config.user}
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'';
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};
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services.openssh.extraConfig = ''
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PubkeyAuthentication yes
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TrustedUserCAKeys /etc/ssh/ca.pub
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Match User '${config.user}'
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AuthorizedPrincipalsFile /etc/ssh/authorized_principals
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# if there is no existing AuthenticationMethods
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AuthenticationMethods publickey
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'';
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# Create credentials file for Cloudflare
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secrets.cloudflared = {
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source = ../../../private/cloudflared.age;
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dest = "${config.secretsDirectory}/cloudflared";
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owner = "cloudflared";
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group = "cloudflared";
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permissions = "0440";
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};
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systemd.services.cloudflared-secret = {
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requiredBy = [ "cloudflared-tunnel-${tunnelId}.service" ];
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before = [ "cloudflared-tunnel-${tunnelId}.service" ];
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};
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};
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}
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@ -5,6 +5,7 @@
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./backups.nix
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./caddy.nix
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./calibre.nix
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./cloudflare-tunnel.nix
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./cloudflare.nix
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./gitea.nix
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./gnupg.nix
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15
private/cloudflared.age
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15
private/cloudflared.age
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@ -0,0 +1,15 @@
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-----BEGIN AGE ENCRYPTED FILE-----
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YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHNzaC1lZDI1NTE5IE1nSGFPdyBDL0tZ
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TG9JTEdCMkJ2SnRvaFVLalZIM05JWEc1U0JSK0Q5aEg3TTRscVhRCjhJRGJYL3M5
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T24yRGVQZG1heTJveU1qWCthZ1RJVkRtTksxVGhhR3dIMWcKLT4gc3NoLWVkMjU1
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MTkgWXlTVU1RIGk2RDZjMEtDblNDcCtvRnFkNnQ1elEzUkdyWWg3M1hNcXBTaEdN
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VGtLM2sKK09Sa3NZNnc3SWlHRXBjcVE0Z3ZHSnY0Zk5pS2UyQ3NSMWh2VzNJeTNm
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NAotPiBzc2gtZWQyNTUxOSBuanZYNUEgWDhkN1B6ajNYcTBGeCtlbHhacnB4Ly9a
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ejJCSVhPcndST0dkN1VZZE1nRQpKeUhCWEk1RkdjajlFMFgzajdmclB3a3FORkp5
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ZTRQK3JXcWE0YUIvL2UwCi0tLSBBYkFQcmwvM0hZbEtBWG1oVUZ5NVhoT2p3U2pF
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VzhGL25La2lJRElDL0o4CtVNQVuouGOOXtVTwdeBd4+CJyglCjFoDoOpXdH35fni
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Azr6JyfKbBlcavrghACWVDem24WIKq7uh9BSL2yHd+sj4umDybuCk9RZWmLgSaHV
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g7Y3jiHa/NTvqd+Wr0PBas4TcOLcICQ0rg9gWnYH+QQDdnv+At4Eqp2/X1ztTI8O
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PRJr7O6HJJasPZSsQldjs3O3fMiLiYPSywCTmgU/gstnv2YhbA3m4vhqOeRskuNg
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X0qAd8jso4Bo7jHohmLLzl1c
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-----END AGE ENCRYPTED FILE-----
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