oscar.krause/fastapi-dls
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#	README.md
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Oscar Krause 2022-12-28 09:14:41 +01:00
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@ -5,12 +5,14 @@ Minimal Delegated License Service (DLS).
This service can be used without internet connection. This service can be used without internet connection.
Only the clients need a connection to this service on configured port. Only the clients need a connection to this service on configured port.
[[_TOC_]]
## ToDo's ## ToDo's
- provide `.deb` package (WIP) - provide `.deb` package (WIP)
- migrate from `dataset` to `sqlalchemy` (WIP) - migrate from `dataset` to `sqlalchemy` (WIP)
- migrate from `fastapi` to `flask` - migrate from `fastapi` to `flask`
- Support http mode for using external https proxy - Support http mode for using external https proxy (disable uvicorn ssl for using behind proxy)
## Endpoints ## Endpoints
@ -49,7 +51,7 @@ There are some more internal api endpoints for handling authentication and lease
Docker-Images are available here: Docker-Images are available here:
- [Docker-Hub](https://hub.docker.com/repository/docker/collinwebdesigns/fastapi-dls): `collinwebdesigns/fastapi-dls:latest` - [Docker-Hub](https://hub.docker.com/repository/docker/collinwebdesigns/fastapi-dls): `collinwebdesigns/fastapi-dls:latest`
- GitLab-Registry: `registry.git.collinwebdesigns.de/oscar.krause/fastapi-dls/main:latest` - [GitLab-Registry](https://git.collinwebdesigns.de/oscar.krause/fastapi-dls/container_registry): `registry.git.collinwebdesigns.de/oscar.krause/fastapi-dls/main:latest`
**Run this on the Docker-Host** **Run this on the Docker-Host**
@ -98,7 +100,7 @@ volumes:
dls-db: dls-db:
``` ```
## Debian ## Debian/Ubuntu (manual method using `git clone`)
Tested on `Debian 11 (bullseye)`, Ubuntu may also work. Tested on `Debian 11 (bullseye)`, Ubuntu may also work.
@ -148,7 +150,7 @@ su - www-data -c "/opt/fastapi-dls/venv/bin/uvicorn main:app --app-dir=/opt/fast
**Create config file** **Create config file**
```shell ```shell
cat <<EOF > /etc/fastapi-dls.env cat <<EOF >/etc/fastapi-dls/env
DLS_URL=127.0.0.1 DLS_URL=127.0.0.1
DLS_PORT=443 DLS_PORT=443
LEASE_EXPIRE_DAYS=90 LEASE_EXPIRE_DAYS=90
@ -170,18 +172,17 @@ User=www-data
Group=www-data Group=www-data
AmbientCapabilities=CAP_NET_BIND_SERVICE AmbientCapabilities=CAP_NET_BIND_SERVICE
WorkingDirectory=/opt/fastapi-dls/app WorkingDirectory=/opt/fastapi-dls/app
EnvironmentFile=/etc/fastapi-dls.env EnvironmentFile=/etc/fastapi-dls/env
ExecStart=/opt/fastapi-dls/venv/bin/uvicorn main:app \ ExecStart=/opt/fastapi-dls/venv/bin/uvicorn main:app \\
--env-file /etc/fastapi-dls.env \ --env-file /etc/fastapi-dls/env \\
--host \$DLS_URL --port \$DLS_PORT \ --host \$DLS_URL --port \$DLS_PORT \\
--app-dir /opt/fastapi-dls/app \ --app-dir /opt/fastapi-dls/app \\
--ssl-keyfile /opt/fastapi-dls/app/cert/webserver.key \ --ssl-keyfile /opt/fastapi-dls/app/cert/webserver.key \\
--ssl-certfile /opt/fastapi-dls/app/cert/webserver.crt \ --ssl-certfile /opt/fastapi-dls/app/cert/webserver.crt \\
--proxy-headers --proxy-headers
Restart=always Restart=always
KillSignal=SIGQUIT KillSignal=SIGQUIT
Type=simple Type=simple
StandardError=syslog
NotifyAccess=all NotifyAccess=all
[Install] [Install]
@ -191,20 +192,40 @@ EOF
``` ```
Now you have to run `systemctl daemon-reload`. After that you can start service Now you have to run `systemctl daemon-reload`. After that you can start service
with `systemctl start fastapi-dls.service` (and enable autostart with `systemctl enable fastapi-dls.service`). with `systemctl start fastapi-dls.service`.
## Let's Encrypt Certificate
If you're using installation via docker, you can use `traefik`. Please refer to their documentation.
Note that port 80 must be accessible, and you have to install `socat` if you're using `standalone` mode.
```shell
acme.sh --issue -d example.com \
--cert-file /etc/fastapi-dls/webserver.donotuse.crt \
--key-file /etc/fastapi-dls/webserver.key \
--fullchain-file /etc/fastapi-dls/webserver.crt \
--reloadcmd "systemctl restart fastapi-dls.service"
```
After first success you have to replace `--issue` with `--renew`.
# Configuration # Configuration
| Variable | Default | Usage | | Variable | Default | Usage |
|---------------------|-----------------------|---------------------------------------------------------------------------------------| |---------------------|----------------------------------------|---------------------------------------------------------------------------------------|
| `DEBUG` | `false` | Toggles `fastapi` debug mode | | `DEBUG` | `false` | Toggles `fastapi` debug mode |
| `DLS_URL` | `localhost` | Used in client-token to tell guest driver where dls instance is reachable | | `DLS_URL` | `localhost` | Used in client-token to tell guest driver where dls instance is reachable |
| `DLS_PORT` | `443` | Used in client-token to tell guest driver where dls instance is reachable | | `DLS_PORT` | `443` | Used in client-token to tell guest driver where dls instance is reachable |
| `LEASE_EXPIRE_DAYS` | `90` | Lease time in days | | `LEASE_EXPIRE_DAYS` | `90` | Lease time in days |
| `DATABASE` | `sqlite:///db.sqlite` | See [official dataset docs](https://dataset.readthedocs.io/en/latest/quickstart.html) | | `DATABASE` | `sqlite:///db.sqlite` | See [official dataset docs](https://dataset.readthedocs.io/en/latest/quickstart.html) |
| `CORS_ORIGINS` | `https://{DLS_URL}` | Sets `Access-Control-Allow-Origin` header (comma separated string) | | `CORS_ORIGINS` | `https://{DLS_URL}` | Sets `Access-Control-Allow-Origin` header (comma separated string) |
| `SITE_KEY_XID` | `00000000-0000-0000-0000-000000000000` | Site identification uuid |
| `INSTANCE_REF` | `00000000-0000-0000-0000-000000000000` | Instance identification uuid |
| `INSTANCE_KEY_RSA` | `<app-dir>/cert/instance.private.pem` | Site-wide private RSA key for singing JWTs |
| `INSTANCE_KEY_PUB` | `<app-dir>/cert/instance.public.pem` | Site-wide public key |
# Installation (Client) # Setup (Client)
**The token file has to be copied! It's not enough to C&P file contents, because there can be special characters.** **The token file has to be copied! It's not enough to C&P file contents, because there can be special characters.**
@ -245,6 +266,13 @@ Currently, there are no known issues.
## Windows ## Windows
### Required cipher on Windows Guests (e.g. managed by domain controller with GPO)
It is required to enable `SHA1` (`TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA_P521`)
in [windows cipher suite](https://learn.microsoft.com/en-us/windows-server/security/tls/manage-tls).
### Multiple Display Container LS Instances
On Windows on some machines there are running two or more instances of `NVIDIA Display Container LS`. This causes a On Windows on some machines there are running two or more instances of `NVIDIA Display Container LS`. This causes a
problem on licensing flow. As you can see in the logs below, there are two lines with `NLS initialized`, each prefixed problem on licensing flow. As you can see in the logs below, there are two lines with `NLS initialized`, each prefixed
with `<1>` and `<2>`. So it is possible, that *daemon 1* fetches a valid license through dls-service, and *daemon 2* with `<1>` and `<2>`. So it is possible, that *daemon 1* fetches a valid license through dls-service, and *daemon 2*

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app/main.py
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@ -57,8 +57,8 @@ DLS_URL = str(getenv('DLS_URL', 'localhost'))
DLS_PORT = int(getenv('DLS_PORT', '443')) DLS_PORT = int(getenv('DLS_PORT', '443'))
SITE_KEY_XID = str(getenv('SITE_KEY_XID', '00000000-0000-0000-0000-000000000000')) SITE_KEY_XID = str(getenv('SITE_KEY_XID', '00000000-0000-0000-0000-000000000000'))
INSTANCE_REF = str(getenv('INSTANCE_REF', '00000000-0000-0000-0000-000000000000')) INSTANCE_REF = str(getenv('INSTANCE_REF', '00000000-0000-0000-0000-000000000000'))
INSTANCE_KEY_RSA = load_key(join(dirname(__file__), 'cert/instance.private.pem')) INSTANCE_KEY_RSA = load_key(str(getenv('INSTANCE_KEY_RSA', join(dirname(__file__), 'cert/instance.private.pem'))))
INSTANCE_KEY_PUB = load_key(join(dirname(__file__), 'cert/instance.public.pem')) INSTANCE_KEY_PUB = load_key(str(getenv('INSTANCE_KEY_PUB', join(dirname(__file__), 'cert/instance.public.pem'))))
CORS_ORIGINS = getenv('CORS_ORIGINS').split(',') if (getenv('CORS_ORIGINS')) else f'https://{DLS_URL}' # todo: prevent static https CORS_ORIGINS = getenv('CORS_ORIGINS').split(',') if (getenv('CORS_ORIGINS')) else f'https://{DLS_URL}' # todo: prevent static https