constellation/hack/qemu-metadata-api/README.md

51 lines
1.1 KiB
Markdown
Raw Normal View History

# QEMU metadata API
This program provides a metadata API for Constellation on QEMU.
## Dependencies
To interact with QEMU `libvirt` is required.
Install the C libraries:
On Ubuntu:
```shell
sudo apt install libvirt-dev
```
On Fedora:
```shell
sudo dnf install libvirt-devel
```
## Firewalld
If your system uses `firewalld` virtmanager will add itself to the firewall rules managed by `firewalld`.
Your VMs might be unable to communicate with the host.
To fix this open port `8080` (the default port for the QEMU metadata API) for the `libvirt` zone:
```shell
# Open the port
sudo firewall-cmd --zone libvirt --add-port 8080/tcp --permanent
```
## Docker image
Build the image:
```shell
DOCKER_BUILDKIT=1 docker build -t ghcr.io/edgelesssys/constellation/qemu-metadata-api:latest -f hack/qemu-metadata-api/Dockerfile .
```
A container of the image is automatically started by Terraform.
You can also run the image manually using the following command:
```shell
docker run -it --rm \
--network host \
-v /var/run/libvirt/libvirt-sock:/var/run/libvirt/libvirt-sock \
ghcr.io/edgelesssys/constellation/qemu-metadata-api:latest
```