DeGauss
Your friendly neighborhood Avro schema compatibility checker.
[](https://github.com/vertexclique/degauss/actions/workflows/cicd.yml)
[](https://crates.io/crates/degauss)
[](https://docs.rs/degauss)
[](https://codecov.io/gh/vertexclique/degauss)
## Install
### Grab a binary from [releases](https://github.com/vertexclique/degauss/releases)
### Using cargo
```
cargo install degauss
```
## Example
- Check the compatibility of your schemas
```
$ degauss validate -s tests/data/movies-raw-reader.avsc tests/data/movies-raw-writer.avsc -c full-transitive
```
- Check the compatibility and set the exit status in case of a failure.
```
$ degauss validate -s tests/data/movies-raw-reader.avsc tests/data/movies-raw-writer.avsc -c full-transitive --exit-status
```
- Register a schema to schema-registry
- create a file with env variables
```
$ cat env
export DEGAUSS_SCHEMA_REGISTRY_URL=https://some-url
export DEGAUSS_SCHEMA_REGISTRY_USER=some-user
export DEGAUSS_SCHEMA_REGISTRY_PASS=some-pass
```
```
$ source env
```
```
$ degauss schema-registry register --subject-type value --topic test2 --schema-path ./tests/data/movies-raw-reader.avsc
```
- Get the compatibility for a subject:
```
$ degauss schema-registry compatibility get --subject-type value --topic test
```
- Set the compatibility for a subject:
```
$ degauss schema-registry compatibility set --subject-type value --topic test --compatibility forward
```
## Development
Apart from integration tests, to run compatibility tests please use:
```shell
cargo test _compat
```