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nixpkgs/nixos/tests/vault-postgresql.nix
Wolfgang Walther 41c5662cbe
nixos/postgresql: move postStart into separate unit
This avoids restarting the postgresql server, when only ensureDatabases
or ensureUsers have been changed. It will also allow to properly wait
for recovery to finish later.

To wait for "postgresql is ready" in other services, we now provide a
postgresql.target.

Resolves #400018

Co-authored-by: Marcel <me@m4rc3l.de>
2025-06-24 15:26:47 +02:00

74 lines
2.4 KiB
Nix

/*
This test checks that
- multiple config files can be loaded
- the storage backend can be in a file outside the nix store
as is required for security (required because while confidentiality is
always covered, availability isn't)
- the postgres integration works
*/
{ pkgs, ... }:
{
name = "vault-postgresql";
meta = with pkgs.lib.maintainers; {
maintainers = [
lnl7
roberth
];
};
nodes.machine =
{ lib, pkgs, ... }:
{
environment.systemPackages = [ pkgs.vault ];
environment.variables.VAULT_ADDR = "http://127.0.0.1:8200";
services.vault.enable = true;
services.vault.extraSettingsPaths = [ "/run/vault.hcl" ];
systemd.services.vault = {
after = [
"postgresql.target"
];
# Try for about 10 minutes rather than the default of 5 attempts.
serviceConfig.RestartSec = 1;
serviceConfig.StartLimitBurst = 600;
};
# systemd.services.vault.unitConfig.RequiresMountsFor = "/run/keys/";
services.postgresql.enable = true;
services.postgresql.initialScript = pkgs.writeText "init.psql" ''
CREATE USER vaultuser WITH ENCRYPTED PASSWORD 'thisisthepass';
GRANT CONNECT ON DATABASE postgres TO vaultuser;
-- https://www.vaultproject.io/docs/configuration/storage/postgresql
CREATE TABLE vault_kv_store (
parent_path TEXT COLLATE "C" NOT NULL,
path TEXT COLLATE "C",
key TEXT COLLATE "C",
value BYTEA,
CONSTRAINT pkey PRIMARY KEY (path, key)
);
CREATE INDEX parent_path_idx ON vault_kv_store (parent_path);
GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA public TO vaultuser;
'';
};
testScript = ''
secretConfig = """
storage "postgresql" {
connection_url = "postgres://vaultuser:thisisthepass@localhost/postgres?sslmode=disable"
}
"""
start_all()
machine.wait_for_unit("multi-user.target")
machine.succeed("cat >/root/vault.hcl <<EOF\n%s\nEOF\n" % secretConfig)
machine.succeed(
"install --owner vault --mode 0400 /root/vault.hcl /run/vault.hcl; rm /root/vault.hcl"
)
machine.wait_for_unit("vault.service")
machine.wait_for_open_port(8200)
machine.succeed("vault operator init")
machine.succeed("vault status || test $? -eq 2")
'';
}