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secrets: migrate all hosts from sops to OpenBao vault

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Replace sops-nix secrets with OpenBao vault secrets across all hosts.
Hardcode root password hash, add extractKey option to vault-secrets
module, update Terraform with secrets/policies for all hosts, and
create AppRole provisioning playbook.

Hosts migrated: ha1, monitoring01, ns1, ns2, http-proxy, nix-cache01
Wave 1 hosts (nats1, jelly01, pgdb1) get AppRole policies only.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Torjus Håkestad
2026-02-05 18:43:09 +01:00
parent 4d33018285
commit 0700033c0a
20 changed files with 393 additions and 44 deletions
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10
hosts/ha1/configuration.nix
View File

@@ -55,8 +55,16 @@
git
];
# Vault secrets management
vault.enable = true;
vault.secrets.backup-helper = {
secretPath = "shared/backup/password";
extractKey = "password";
outputDir = "/run/secrets/backup_helper_secret";
services = [ "restic-backups-ha1" ];
};
# Backup service dirs
sops.secrets."backup_helper_secret" = { };
services.restic.backups.ha1 = {
repository = "rest:http://10.69.12.52:8000/backup-nix";
passwordFile = "/run/secrets/backup_helper_secret";