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https://github.com/coreos/zetcd
Serve the Apache Zookeeper API but back it with an etcd cluster
https://github.com/coreos/zetcd
etcd zookeeper
Last synced: 3 months ago
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Serve the Apache Zookeeper API but back it with an etcd cluster
- Host: GitHub
- URL: https://github.com/coreos/zetcd
- Owner: etcd-io
- License: apache-2.0
- Archived: true
- Created: 2016-10-24T16:49:01.000Z (about 8 years ago)
- Default Branch: master
- Last Pushed: 2023-09-25T12:46:07.000Z (about 1 year ago)
- Last Synced: 2024-08-02T20:10:19.563Z (3 months ago)
- Topics: etcd, zookeeper
- Language: Go
- Homepage:
- Size: 2.65 MB
- Stars: 1,087
- Watchers: 49
- Forks: 92
- Open Issues: 34
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: code-of-conduct.md
Awesome Lists containing this project
README
# zetcd
[](https://travis-ci.com/etcd-io/zetcd)
A ZooKeeper "personality" for etcd. Point a ZooKeeper client at zetcd to dispatch the operations on an etcd cluster.
Protocol encoding and decoding heavily based on [go-zookeeper](http://github.com/samuel/go-zookeeper/).
## Getting started
### Running zetcd
Forward ZooKeeper requests on `:2181` to an etcd server listening on `localhost:2379`:
```sh
go get github.com/etcd-io/zetcd/cmd/zetcd
zetcd --zkaddr 0.0.0.0:2181 --endpoints localhost:2379
```
Simple testing with `zkctl`:
```sh
go get github.com/etcd-io/zetcd/cmd/zkctl
zkctl watch / &
zkctl create /abc "foo"
```
### Running zetcd on Docker
Official docker images of tagged zetcd releases for containerized environments are hosted at [quay.io/etcd-io/zetcd](https://quay.io/etcd-io/zetcd). Use `docker run` to launch the zetcd container with the same configuration as the `go get` example:
```sh
docker run --net host -t quay.io/etcd-io/zetcd -endpoints localhost:2379
```
### Cross-checking
In cross-checking mode, zetcd dynamically tests a fresh isolated "candidate" zetcd cluster against a fresh isolated ZooKeeper "oracle" cluster for divergences. This mode dispatches requests to both zetcd and ZooKeeper, then compares the responses to check for equivalence. If the responses disagree, it is flagged in the logs. Use the flags `-zkbridge` to configure a ZooKeeper endpoint and `-oracle zk` to enable checking.
Cross-check zetcd's ZooKeeper emulation with a native ZooKeeper server endpoint at `localhost:2182` like so:
```sh
zetcd --zkaddr 0.0.0.0:2181 --endpoints localhost:2379 --debug-zkbridge localhost:2182 --debug-oracle zk --logtostderr -v 9
```
## Contact
- Mailing list: [etcd-dev](https://groups.google.com/g/etcd-dev)
- Slack: [#etcd](https://kubernetes.slack.com/messages/C3HD8ARJ5/details/) channel on Kubernetes ([get an invite](http://slack.kubernetes.io/))
- Bugs: [issues](https://github.com/etcd-io/zetcd/issues)
## Contributing
See [CONTRIBUTING](CONTRIBUTING.md) for details on submitting patches and the contribution workflow.
### License
zetcd is under the Apache 2.0 license. See the [LICENSE](LICENSE) file for details.