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cc-ci/modules/secrets.nix
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1c/W2a: mount cc-ci-secrets as submodule at secrets/; cert+key now sops-decrypted to /var/lib/ci-certs/live
- secrets/ is now the private cc-ci-secrets repo (submodule). defaultSopsFile path unchanged.
- secrets.nix: add wildcard_cert/wildcard_key sops secrets -> path=/var/lib/ci-certs/live/*.
- proxy.nix: cert is sops-from-git, not an operator file drop (reframed; FATAL guard kept as decrypt-path check).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-27 16:32:10 +01:00

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Nix

# sops-nix wiring (D6 infra secrets). cc-ci decrypts secrets at activation using its own
# ed25519 SSH host key as the age identity (no separate key file to manage on the box).
# Encrypted material lives in ../secrets/secrets.yaml — Phase-1c moved this into the private
# `cc-ci-secrets` repo, mounted here as a git SUBMODULE at ../secrets/ (so the path is unchanged).
# Readable only by the recipients in secrets/.sops.yaml (host key + off-box master recovery key).
{ config, ... }:
{
sops = {
defaultSopsFile = ../secrets/secrets.yaml;
# Decrypt using the host's SSH host key (converted to an age identity by sops-nix).
age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
# Do not also look for a GPG key.
gnupg.sshKeyPaths = [ ];
# M0 proof secret — confirms the decrypt path works end to end.
secrets.test_secret = { };
# M2 Drone (A2 internal secrets). drone_rpc_secret is shared between the swarm-deployed
# Drone server (inserted as the `rpc_secret` swarm secret by scripts/deploy-drone.sh) and
# the host exec runner (read via the env template below). drone_gitea_client_secret is the
# Gitea OAuth app secret, inserted as the server's `client_secret` swarm secret.
secrets.drone_rpc_secret = { };
secrets.drone_gitea_client_secret = { };
# M3 comment-bridge (A2). Read by modules/bridge.nix's reconcile oneshot, which copies them
# into swarm secrets the bridge container mounts. webhook_hmac is also set on the Gitea webhook.
secrets.bridge_webhook_hmac = { };
secrets.bridge_drone_token = { };
secrets.bridge_gitea_token = { };
# Phase-1c C2: the wildcard TLS cert+key are now sops secrets (in cc-ci-secrets), decrypted at
# activation to /var/lib/ci-certs/live/{fullchain.pem,privkey.pem} — the exact path the traefik
# reconcile (modules/proxy.nix) already reads. Replaces the prior operator-drops-a-cert-file step.
secrets.wildcard_cert = {
path = "/var/lib/ci-certs/live/fullchain.pem";
mode = "0444"; # leaf+intermediate chain — not secret
};
secrets.wildcard_key = {
path = "/var/lib/ci-certs/live/privkey.pem";
mode = "0400"; # private key — root only
};
# EnvironmentFile for the host exec runner: DRONE_RPC_SECRET rendered from the sops secret.
templates."drone-runner.env".content = ''
DRONE_RPC_SECRET=${config.sops.placeholder.drone_rpc_secret}
'';
};
}