crystal-etcd

etcd client for crystal lang implemented as a thin wrapper over etcd's gRPC-HTTP gateway.

The minimum supported etcd version is 3.4.

Installation

1. Add the dependency to your shard.yml:

dependencies:
  etcd:
    github: place-labs/crystal-etcd

2. Run shards install

Usage

require "etcd"

# Initialising a client from ETCD_HOST and ETCD_PORT
client = Etcd.from_env

# Add a key/value to etcd
client.kv.put("/service/hello", "world")
# Grab a key/value from etcd
client.range("/service/hello").kvs.try(&.first?) #=> #<Etcd::Model::KV @key="/service/hello" @value="world" @create_revision=nil  @mod_revision=nil @version=nil @lease=nil>

TODO

• Specs (auth, cluster, maintenance, kv.compaction, kv.txn)
• Multi-node.
• Use enum instead of String

Auth

• [x] authenticate
• [x] disable
• [x] enable
• [x] role/add
• [x] role/delete
• [x] role/get
• [x] role/grant
• [x] role/list
• [x] role/revoke
• [x] user/add
• [x] user/changepw
• [x] user/delete
• [x] user/get
• [x] user/grant
• [x] user/list
• [x] user/revoke

Cluster

• [x] member/add
• [x] member/list
• [x] member/promote
• [x] member/remove
• [x] member/update

Kv

• [x] put
• [x] range
• [x] deleterange
• [x] compaction
• [x] txn

Lease

• [x] grant
• [x] keepalive
• [x] leases
• [x] revoke
• [x] timetolive

Maintenance

• [x] alarm
• [x] defragment
• [x] hash
• [x] snapshot
• [x] status
• [x] transfer-leadership

Watch

• [x] watch

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

See Also

• crystal-docker

Contributors

• Caspian Baska - creator and maintainer
• Duke Nguyen - maintainer