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Closes #216989
First of all, a bit of context: in PostgreSQL, newly created users don't
have the CREATE privilege on the public schema of a database even with
`ALL PRIVILEGES` granted via `ensurePermissions` which is how most of
the DB users are currently set up "declaratively"[1]. This means e.g. a
freshly deployed Nextcloud service will break early because Nextcloud
itself cannot CREATE any tables in the public schema anymore.
The other issue here is that `ensurePermissions` is a mere hack. It's
effectively a mixture of SQL code (e.g. `DATABASE foo` is relying on how
a value is substituted in a query. You'd have to parse a subset of SQL
to actually know which object are permissions granted to for a user).
After analyzing the existing modules I realized that in every case with
a single exception[2] the UNIX system user is equal to the db user is
equal to the db name and I don't see a compelling reason why people
would change that in 99% of the cases. In fact, some modules would even
break if you'd change that because the declarations of the system user &
the db user are mixed up[3].
So I decided to go with something new which restricts the ways to use
`ensure*` options rather than expanding those[4]. Effectively this means
that
* The DB user _must_ be equal to the DB name.
* Permissions are granted via `ensureDBOwnerhip` for an attribute-set in
`ensureUsers`. That way, the user is actually the owner and can
perform `CREATE`.
* For such a postgres user, a database must be declared in
`ensureDatabases`.
For anything else, a custom state management should be implemented. This
can either be `initialScript`, doing it manual, outside of the module or
by implementing proper state management for postgresql[5], but the
current state of `ensure*` isn't even declarative, but a convergent tool
which is what Nix actually claims to _not_ do.
Regarding existing setups: there are effectively two options:
* Leave everything as-is (assuming that system user == db user == db
name): then the DB user will automatically become the DB owner and
everything else stays the same.
* Drop the `createDatabase = true;` declarations: nothing will change
because a removal of `ensure*` statements is ignored, so it doesn't
matter at all whether this option is kept after the first deploy (and
later on you'd usually restore from backups anyways).
The DB user isn't the owner of the DB then, but for an existing setup
this is irrelevant because CREATE on the public schema isn't revoked
from existing users (only not granted for new users).
[1] not really declarative though because removals of these statements
are simply ignored for instance: https://github.com/NixOS/nixpkgs/issues/206467
[2] `services.invidious`: I removed the `ensure*` part temporarily
because it IMHO falls into the category "manage the state on your
own" (see the commit message). See also
https://github.com/NixOS/nixpkgs/pull/265857
[3] e.g. roundcube had `"DATABASE ${cfg.database.username}" = "ALL PRIVILEGES";`
[4] As opposed to other changes that are considered a potential fix, but
also add more things like collation for DBs or passwords that are
_never_ touched again when changing those.
[5] As suggested in e.g. https://github.com/NixOS/nixpkgs/issues/206467
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Related to #262907 (Django3 removal from nixpkgs).
This package already required an unreasonable amount of maintenance
regularly for a such small leaf-package. It has a few highly outdated
dependencies (e.g. flask 1, jinja2 2.11, sqlalchemy 1.3).
After at least each Python package-set update one had to fix up a lot of
dependencies to fix the package itself, so it was only useful on stable
branches. And having so much outdated software in a security-sensitive
piece of software seems questionable.
Finally, globin and I won't be available for maintaining this now that
Mayflower is migrating to another solution (and we'll do that as well)
and I'd expect this to bitrot extremely quick if we both bail out.
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jitterentropy-rngd: init at 1.2.8
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Add jitterentropy-rngd, a tool similar to rng-tools.
While not necessarily needed, it is useful for those
who want to strengthen their kernel entropy input pool
by periodic insertion of an independent source.
The entropy source is a NIST SP800-90B compliant
non-physical true RNG source on most systems.
See the jitterentropy documentation for details
(http://chronox.de/jent/doc/CPU-Jitter-NPTRNG.pdf).
Signed-off-by: Markus Theil <theil.markus@gmail.com>
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Fixed typo to enable [new system rules](https://github.com/evilsocket/opensnitch/wiki/System-rules#upgrading-from-previous-versions)
Fixes: https://github.com/NixOS/nixpkgs/issues/256290
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nixos/fail2ban: also inherit bantime
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This commit adds a module for the tang server and the related nixos test.
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PR#256295 reintroduced ruleFile option, but set the default as a path
literal, which was a "string path" previously. This breaks evaluation
for being impure:
error: access to absolute path '/var/lib/usbguard/rules.conf' is forbidden in pure eval mode (use '--impure' to override)
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nixos/usbguard: restore ruleFile option
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nixos/oauth2_proxy: service after network.target -> network-online.target
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Signed-off-by: h7x4 <h7x4@nani.wtf>
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Co-authored-by: Slime90
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https://github.com/kanidm/kanidm/releases/tag/v1.1.0-beta.13
The kanidmd process now creates a unix socket, over which admin tasks
can be done, without having to shut kanidm down first.
The kanidm_unixd process now wants access to /etc/shadow and /etc/group,
so it can rule out collisions with the host system.
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The typo was introduced in 1d41cff3dc4c8f37bb5841f51fcbff705e169178
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Signed-off-by: Oliver Richter <richter-oliver@gmx.net>
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nixos/usbguard: rename services.usbguard.implictPolicyTarget to services.usbguard.implicitPolicyTarget
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services.usbguard.implicitPolicyTarget
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nixos/usbguard: add USBGuard dbus daemon option
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The usbguard package includes the dbus daemon, but the NixOS config
option does not provide a service file or its necessary polkit rules.
Enabling the dbus daemon allows use of Gnome's USBGuard support.
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maintainers: rename indeednotjames to emilylange
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Bind mount the base dirs of the tls key and chain into the service.
Make sure to bind every directory just once. The test failed on ofborg
when /nix/store and the certificate path in /nix/store/<some path> were
bound.
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Fixed test access to lib
Added nixos test to passthru
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Update to 1.0.2: https://github.com/fail2ban/fail2ban/blob/1.0.2/ChangeLog#ver-102-20221109---finally-war-game-test-tape-not-a-nuclear-alarm
1.0.1 contained a few breaking changes, but I think they have little
impact.
I changed the module to use the systemd service shipping with fail2ban
(now added to the package).
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Issue: after installing, running `yubikey-agent -setup` produces the
following error:
```
nixOS: Failed to connect to the YubiKey: connecting to pscs: the Smart
card resource manager is not running
```
More on this issue: https://github.com/FiloSottile/yubikey-agent/issues/137
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