infra/secrets.nix
raito 92560708b8 feat: multi-tenant secrets
Lix may have its own secrets and we want to maintain a certain
generalization level on the NixOS modules, so we can decorrelate which
secret we select dynamically by having a simple tenancy hierarchy
system.

This unfortunately requires to rewrite all call sites with a floral
prefix until we migrate them to the simple internal secret module which
is aware of this.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
2024-10-06 08:10:44 +00:00

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let
keys = import common/ssh-keys.nix;
commonKeys = {
global = [ keys.users.raito ];
lix = [ keys.users.jade ];
floral = [ keys.users.delroth ];
};
secrets = with keys; {
floral = {
hydra-postgres-key = [ machines.build-coord ];
hydra-s3-credentials = [ machines.build-coord ];
hydra-signing-priv = [ machines.build-coord ];
hydra-ssh-key-priv = [ machines.build-coord ];
netbox-environment = [ machines.meta01 ];
mimir-environment = [ machines.meta01 ];
mimir-webhook-url = [ machines.meta01 ];
grafana-oauth-secret = [ machines.meta01 ];
loki-environment = [ machines.meta01 ];
gerrit-prometheus-bearer-token = [ machines.gerrit01 machines.meta01 ];
pyroscope-secrets = [ machines.meta01 ];
tempo-environment = [ machines.meta01 ];
buildbot-worker-password = [ machines.buildbot ];
buildbot-oauth-secret = [ machines.buildbot ];
buildbot-workers = [ machines.buildbot ];
# Private SSH key to Gerrit
# ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHx52RUPWzTa2rBA96xcnGjjzAboNN/hm6gW+Q6JiSos
buildbot-service-key = [ machines.buildbot ];
# Signing key for Buildbot's specific cache
buildbot-signing-key = [ machines.buildbot ];
buildbot-remote-builder-key = [ machines.buildbot ];
# These are the same password, but nginx wants it in htpasswd format
metrics-push-htpasswd = [ machines.meta01 ];
# Yes, even Lix machines are included in this monitoring infrastructure.
metrics-push-password = builtins.attrValues machines;
ows-deploy-key = [ machines.gerrit01 ];
s3-channel-staging-keys = [ machines.gerrit01 ];
s3-channel-keys = [ machines.gerrit01 ];
postgres-ca-priv = [ machines.bagel-box ];
postgres-tls-priv = [ machines.bagel-box ];
newsletter-secrets = [ machines.public01 ];
s3-revproxy-api-keys = [ machines.public01 ];
stateless-uptime-kuma-password = [ machines.public01 ];
};
lix = {
buildbot-remote-builder-key = [ machines.buildbot-lix ];
};
};
mkSecretListFor = tenant:
map (secretName: {
name = "secrets/${tenant}/${secretName}.age";
value.publicKeys = secrets.${tenant}."${secretName}" ++ commonKeys.${tenant};
}) (builtins.attrNames secrets.${tenant});
in
builtins.listToAttrs (
(mkSecretListFor "floral") ++ (mkSecretListFor "lix")
)