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nixpkgs/nixos/tests/postfix-raise-smtpd-tls-security-level.nix
Lucas Savva 982c5a1f0e
nixos/acme: Restructure module
- Use an acme user and group, allow group override only
- Use hashes to determine when certs actually need to regenerate
- Avoid running lego more than necessary
- Harden permissions
- Support "systemctl clean" for cert regeneration
- Support reuse of keys between some configuration changes
- Permissions fix services solves for previously root owned certs
- Add a note about multiple account creation and emails
- Migrate extraDomains to a list
- Deprecate user option
- Use minica for self-signed certs
- Rewrite all tests

I thought of a few more cases where things may go wrong,
and added tests to cover them. In particular, the web server
reload services were depending on the target - which stays alive,
meaning that the renewal timer wouldn't be triggering a reload
and old certs would stay on the web servers.

I encountered some problems ensuring that the reload took place
without accidently triggering it as part of the test. The sync
commands I added ended up being essential and I'm not sure why,
it seems like either node.succeed ends too early or there's an
oddity of the vm's filesystem I'm not aware of.

- Fix duplicate systemd rules on reload services

Since useACMEHost is not unique to every vhost, if one cert
was reused many times it would create duplicate entries in
${server}-config-reload.service for wants, before and
ConditionPathExists
2020-09-02 19:22:43 +01:00

42 lines
1 KiB
Nix

import ./make-test-python.nix {
name = "postfix";
machine = { pkgs, ... }: {
imports = [ common/user-account.nix ];
services.postfix = {
enable = true;
enableSubmissions = true;
submissionsOptions = {
smtpd_tls_security_level = "none";
};
};
environment.systemPackages = let
checkConfig = pkgs.writeScriptBin "check-config" ''
#!${pkgs.python3.interpreter}
import sys
state = 1
success = False
with open("/etc/postfix/master.cf") as masterCf:
for line in masterCf:
if state == 1 and line.startswith("submissions"):
state = 2
elif state == 2 and line.startswith(" ") and "smtpd_tls_security_level=encrypt" in line:
success = True
elif state == 2 and not line.startswith(" "):
state == 3
if not success:
sys.exit(1)
'';
in [ checkConfig ];
};
testScript = ''
machine.wait_for_unit("postfix.service")
machine.succeed("check-config")
'';
}