Currently, the setup we have in docker-compose does not reflect
real-world scenarios very well because most components share the same
subnet. In reality, Clients, Gateways, relays and the backend are all in
separate subnets, connected via multiple routers on the Internet.
The current setup makes it hard to properly test relayed connections. To
fix this, we move all components into their own subnet with a dedicated
router container that performs source and destination NAT as well as
acts as a firewall for the client and gateway containers to not allow
inbound traffic.
This setup will allow us to more easily test #10286 which requires port
randomization for outgoing traffic on the Client and Gateway side.
Docker for Mac finally supports IPv6 in general availability. It's time
to add IPv6 to our suite of integration tests.
The thinking behind this PR is try and not slow down CI much, if at all,
by testing IPv6 side-by-side with the existing IPv4 tests.
More comprehensive testing is being developed in #10131 that will test
things like IPv4-in-6 relaying, client / gateway IP stack mismatches,
and so forth.
Closes#5063, supersedes #5850
Other refactors and changes made as part of this:
- Adds the ability to disable DNS control on Windows
- Removes the spooky-action-at-a-distance `from_env` functions that used
to be buried in `tunnel`
- `FIREZONE_DNS_CONTROL` is now a regular `clap` argument again
---------
Signed-off-by: Reactor Scram <ReactorScram@users.noreply.github.com>
This should be redundant now that we fixed the systemd notification in
#6026 and cut a release. (Since compatibility tests will use the last
release, not the tip of `main`)
Signed-off-by: Reactor Scram <ReactorScram@users.noreply.github.com>
Both of these deal with the tunnel interface being initialized, which
seems to take more than 1s when we have a lot of jobs running.
---------
Signed-off-by: Jamil <jamilbk@users.noreply.github.com>
Is this worth it?
```[tasklist]
### Before merging
- [x] Double-check docs and ask Jamil to review
- [x] Would need Brian to review the terraform thing
- [x] Make sure Docker compat isn't broken for existing users (shouldn't be, the image is still just `client`)
- [x] Decide whether compatibility tests need to pass (if something breaks after merge we can revert this)
```
This will keep the files from going out of sync.
This PR also checks that the IPC service creates the IPC socket with
`root:firezone` as the owner and group, when running under systemd.
For tests it doesn't hurt, but this will be used as a template for the
systemd service we ship to production, and that can't have the ID there.
So I'm also cleaning up a few other problems I noticed:
- I wanted to split the service files as part of #4531, so that the GUI
Client and headless Client can have separate sandbox rules. e.g, the
headless Client won't be allowed to create Unix domain sockets
- I'm punting more things to systemd, which allows us to tighten down
the sandbox further, e.g. creating `/var/lib/dev.firezone.client` and
`/run/dev.firezone.client` for us
- Closes#4461
---------
Signed-off-by: Reactor Scram <ReactorScram@users.noreply.github.com>
```[tasklist]
# Before merging
- [x] Remove file extension `.txt`
- [x] Wait for `linux-group` test to go green on `main` (#4692)
- [x] *all* compatibility tests must be green on this branch
```
Closes#4664Closes#4665
~~The compatibility tests are expected to fail until the next release is
cut, for the same reasons as in #4686~~
The compatibility test must be handled somehow, otherwise it'll turn
main red.
`linux-group` was moved out of integration / compatibility testing, but
the DNS tests do need the whole Docker + portal setup, so that one can't
move.
---------
Signed-off-by: Reactor Scram <ReactorScram@users.noreply.github.com>
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
```[tasklist]
### Before merging
- [x] Update KB
```
Maybe not a feature since Linux IPC isn't available to users yet?
I think it's okay if the new `linux-group` test fails in compatibility,
since it wasn't implemented at all back then.
Closes#4659Closes#4660
---------
Signed-off-by: Reactor Scram <ReactorScram@users.noreply.github.com>
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
Should drop our `systemd-analyze security` level from 9.7 to about 2.5.
We could go a little further, but it would take a lot more effort, and
this is a good starting point.
```[tasklist]
# Before review
- [x] Remove unused trap function in Bash
- [x] Remove `systemd-analyze` call
```
I wasn't aware of `set x` when I wrote this, and it looks good in the
other test scripts.
I'm not sourcing `lib.sh` yet, because I don't happen to need any
functions from it. I have other draft PRs that will probably end up
using it.
This is needed so that we can auto-update the systemd unit file, either
manually, or with a package manager like `apt`. We don't want users
cut-and-pasting these together on every update, and we don't want
machines doing it. Making the file updatable means we can make security
fixes to it easily.
Unfortunately I had to keep `linux-client` to get the compatibility
tests to pass. #4578 aims to remove that package.
Please add to this list if you think of anything:
```[tasklist]
# Things that may break that CI/CD won't catch
- [ ] Github release artifacts
- [ ] Knowledge base
- [ ] Docker images
- [ ] Docker containers
- [ ] Existing `linux-client` users
- [ ] Anything that downloads ghcr artifacts
- [ ] Nix (Not sure if it's built in CI. It had a merge conflict)
```
Refs #4515, and #3712, #3782
I think this is what Thomas and I agreed on in Slack / Github
---------
Signed-off-by: Reactor Scram <ReactorScram@users.noreply.github.com>
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
- [x] Updated log level string for client and gateways to info or higher
- [x] Update logs to hide DNS information
I also removed `hickory_resolve` errors which could contain sensitive
info from our general error and hide the logs that specifically relates
to them.
@bmanifold double checking that the log levels in the gateway's `*.tf`
files are just used for our own gateways.
Also, the relays still have `debug`, since only we see that I think that
makes sense but double checking with @jamilbk
Fixes: #3618.
---------
Signed-off-by: Gabi <gabrielalejandro7@gmail.com>
Co-authored-by: Reactor Scram <ReactorScram@users.noreply.github.com>
If `FIREZONE_DNS_CONTROL` is set to `systemd-resolved`, then shell out
to `resolvectl` to request all system DNS queries to go to Firezone's
sentinel DNS server(s).
```[tasklist]
- [ ] Figure out how to stop the runner from using the Docker bridge iface
```
---------
Signed-off-by: Reactor Scram <ReactorScram@users.noreply.github.com>
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
Regardless of `FIREZONE_DNS_CONTROL`, always try to notify systemd that
we've started.
I had accidentally conflated the idea of running as a systemd service
with the idea of using systemd to control DNS. They're separate, but
I'll keep the service unit in here and always use `sd-notify` since it
should be harmless to use even in Alpine.
~~If `FIREZONE_DNS_CONTROL` is `systemd-resolved`, try to notify systemd
that we've finished startup and the tunnel is ready.~~
Also adds a CI test, including a systemd service file that is **not**
ready for general use.
Ready for review once it's green.
---------
Signed-off-by: Reactor Scram <ReactorScram@users.noreply.github.com>
Co-authored-by: Thomas Eizinger <thomas@eizinger.io>
