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Support setting khs unix user password from vault
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This commit is contained in:
Kaare Hoff Skovgaard 2025-07-19 22:04:04 +02:00
parent 57c4fd3d35
commit 8c3d372586
Signed by: khs
GPG key ID: C7D890804F01E9F0
7 changed files with 49 additions and 31 deletions
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2
nix/modules/nixos/infrastructure/vault-server-approle/default.nix
View file

@ -57,6 +57,8 @@ in
};
};
imports = [ ./unix-user.nix ];
config = lib.mkIf cfg.enable {
khscodes.services.read-vault-auth-from-userdata.enable = cfg.stage == "pre";
khscodes.services.vault-agent.enable = true;

44
nix/modules/nixos/infrastructure/vault-server-approle/unix-user.nix Normal file
View file

@ -0,0 +1,44 @@
{
lib,
config,
pkgs,
...
}:
let
cfg = config.khscodes.infrastructure.vault-server-approle.enable;
userExists = username: builtins.hasAttr username config.users.users && config.users.users.enable;
setKhsPassword = pkgs.writeShellApplication {
name = "set-khs-password";
runtimeInputs = [
pkgs.su
pkgs.uutils-coreutils-noprefix
];
text = ''
hashed_passwd="$(cat /run/unix-users/khs)"
usermod --password "$hashed_password" khs
'';
};
in
{
config = lib.mkIf cfg.enable {
khscodes.infrastructure.vault-server-approle.policy = lib.mkIf (userExists "khs") {
"unix-users/data/khs/password" = {
capabilities = [ "read" ];
};
};
khscodes.services.vault-agent.templates = [
{
contents = ''
{{- with secret "unix-users/data/khs/password" -}}
{{ .Data.data.hashedPassword }}
{{- end -}}
'';
destination = "/run/unix-users/khs";
perms = "0600";
owner = "root";
group = "root";
exec = lib.getExe setKhsPassword;
}
];
};
}

4
nix/modules/nixos/users/khs/default.nix
View file

@ -8,10 +8,8 @@ in
};
config = lib.mkIf cfg.enable {
snowfallorg.users.khs.admin = true;
snowfallorg.users.khs.admin = lib.mkDefault true;
users.users.khs = {
# TODO: What should I do wrt. ensuring the passwords are consistent?
# Maybe set them through OpenBAO and some service?
initialPassword = "changeme";
openssh.authorizedKeys.keys = [
"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQCqY0FHnWFKfLG2yfgr4qka5sR9CK+EMAhzlHUkaQyWHTKD+G0/vC/fNPyL1VV3Dxc/ajxGuPzVE+mBMoyxazL3EtuCDOVvHJ5CR+MUSEckg/DDwcGHqy6rC8BvVVpTAVL04ByQdwFnpE1qNSBaQLkxaFVdtriGKkgMkc7+UNeYX/bv7yn+APqfP1a3xr6wdkSSdO8x4N2jsSygOIMx10hLyCV4Ueu7Kp8Ww4rGY8j5o7lKJhbgfItBfSOuQHdppHVF/GKYRhdnK6Y2fZVYbhq4KipUtclbZ6O/VYd8/sOO98+LMm7cOX+K35PQjUpYgcoNy5+Sw3CNS/NHn4JvOtTaUEYP7fK6c9LhMULOO3T7Cm6TMdiFjUKHkyG+s2Mu/LXJJoilw571zwuh6chkeitW8+Ht7k0aPV96kNEvTdoXwLhBifVEaChlAsLAzSUjUq+YYCiXVk0VIXCZQWKj8LoVNTmaqDksWwbcT64fw/FpVC0N18WHbKcFUEIW/O4spJMa30CQwf9FeqpoWoaF1oRClCSDPvX0AauCu0JcmRinz1/JmlXljnXWbSfm20/V+WyvktlI0wTD0cdpNuSasT9vS77YfJ8nutcWWZKSkCj4R4uHeCNpDTX5YXzapy7FxpM9ANCXLIvoGX7Yafba2Po+er7SSsUIY1AsnBBr8ZoDVw=="

10
nix/profiles/nixos/khs-base.nix
View file

@ -1,19 +1,11 @@
{
pkgs,
config,
lib,
...
}:
{
imports = [ ./nix-base.nix ];
snowfallorg.users.khs.admin = lib.mkDefault true;
users.users.khs = {
# TODO: Figure out how to provision password changes to servers from VAULT
initialPassword = "changeme";
openssh.authorizedKeys.keys = [
"ssh-rsa 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"
];
};
khscodes.users.khs.enable = true;
time.timeZone = "Europe/Copenhagen";
environment = {
systemPackages = [ pkgs.openbao ];

6
nix/systems/aarch64-linux/security.kaareskovgaard.net/default.nix
View file

@ -31,12 +31,6 @@ in
khscodes.infrastructure.provisioning.post.secretsSource = "bitwarden";
khscodes.infrastructure.vault-server-approle.stage = "post";
khscodes.networking.fqdn = "security.kaareskovgaard.net";
users.users.khs = {
initialPassword = "changeme";
openssh.authorizedKeys.keys = [
"ssh-rsa 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"
];
};
khscodes.infrastructure.openbao.domain = "secrets.kaareskovgaard.net";
system.stateVersion = "25.05";
};

7
nix/systems/x86_64-linux/desktop.kaareskovgaard.net/default.nix
View file

@ -10,11 +10,6 @@
device = "/dev/sda";
diskName = "nixos";
};
users.users.khs = {
initialPassword = "changeme";
openssh.authorizedKeys.keys = [
"ssh-rsa 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"
];
};
khscodes.users.khs.enable = true;
system.stateVersion = "25.05";
}

7
nix/systems/x86_64-linux/monitoring.kaareskovgaard.net/default.nix
View file

@ -213,13 +213,6 @@ in
};
};
};
snowfallorg.users.khs.admin = true;
users.users.khs = {
initialPassword = "changeme";
openssh.authorizedKeys.keys = [
"ssh-rsa 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"
];
};
khscodes.networking.fqdn = "monitoring.kaareskovgaard.net";
system.stateVersion = "25.05";
}