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pass cloudflare tunnel info to module

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This commit is contained in:
Noah Masur
2023-06-19 08:30:30 -04:00
parent 23f72c3c2e
commit ddf48998db
3 changed files with 33 additions and 13 deletions
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37
modules/nixos/services/cloudflare-tunnel.nix
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@ -4,24 +4,36 @@
# nix-shell -p cloudflared
# cloudflared tunnel login
# cloudflared tunnel create <mytunnel>
# nix run github:nmasur/dotfiles#encrypt-secret > private/cloudflared.age
# cloudflared tunnel create <host>
# nix run github:nmasur/dotfiles#encrypt-secret > private/cloudflared-<host>.age
# Paste ~/.cloudflared/<id>.json
# Set tunnelId = "<id>"
# Set tunnel.id = "<id>"
# Remove ~/.cloudflared/
let tunnelId = "646754ac-2149-4a58-b51a-e1d0a1f3ade2";
{
in {
options.cloudflareTunnel.enable = lib.mkEnableOption "Use Cloudflare Tunnel";
options.cloudflareTunnel = {
enable = lib.mkEnableOption "Use Cloudflare Tunnel";
id = lib.mkOption {
type = lib.types.str;
description = "Cloudflare tunnel ID";
};
credentialsFile = lib.mkOption {
type = lib.types.path;
description = "Cloudflare tunnel credentials file (age-encrypted)";
};
ca = lib.mkOption {
type = lib.types.str;
description = "Cloudflare tunnel CA public key";
};
};
config = lib.mkIf config.cloudflareTunnel.enable {
services.cloudflared = {
enable = true;
tunnels = {
"${tunnelId}" = {
"${config.cloudflareTunnel.id}" = {
credentialsFile = config.secrets.cloudflared.dest;
default = "http_status:404";
ingress = { "*.masu.rs" = "ssh://localhost:22"; };
@ -31,7 +43,7 @@ in {
environment.etc = {
"ssh/ca.pub".text = ''
ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCHF/UMtJqPFrf6f6GRY0ZFnkCW7b6sYgUTjTtNfRj1RdmNic1NoJZql7y6BrqQinZvy7nsr1UFDNWoHn6ah3tg= open-ssh-ca@cloudflareaccess.org
${config.cloudflareTunnel.ca}
'';
# Must match the username of the email address in Cloudflare Access
@ -53,15 +65,16 @@ in {
# Create credentials file for Cloudflare
secrets.cloudflared = {
source = ../../../private/cloudflared.age;
source = config.cloudflareTunnel.credentialsFile;
dest = "${config.secretsDirectory}/cloudflared";
owner = "cloudflared";
group = "cloudflared";
permissions = "0440";
};
systemd.services.cloudflared-secret = {
requiredBy = [ "cloudflared-tunnel-${tunnelId}.service" ];
before = [ "cloudflared-tunnel-${tunnelId}.service" ];
requiredBy =
[ "cloudflared-tunnel-${config.cloudflareTunnel.id}.service" ];
before = [ "cloudflared-tunnel-${config.cloudflareTunnel.id}.service" ];
};
};