Zookeeper REST API
Table of Contents
Usage of ./zoorest:
-listen string
Address to listen (default "127.0.0.1:8889")
-mc
Enable memcached support
-mchosts string
Memcached servers. Comma separated (default "127.0.0.1:11211")
-mcprefix string
Memcached key prefix (default "zoorest")
-path string
Zk root path (default "/")
-zk string
Zk servers. Comma separated (default "127.0.0.1:2181")
NOTE: If memcached support is enabled zkStat metrics will not be returned.
Typical usage scheme:
Cross-origin resource sharing is a feature that securely allows access to a zoorest instance from a web browser. This is an optional feature and is disabled by default. It is enabled and configured via OS environment variables.
ZOOREST_CORS_ENABLE enable the feature. Any non-empty value is considered "true" and enables it. default: false
ZOOREST_CORS_DEBUG_ENABLE enable CORS debug mode Any non-null value is considered "true" and enables it. default: false
ZOOREST_CORS_ALLOWED_ORIGINS comma delimited list of origin url patterns to allow access to the service. default: * (any origin)
Method: GET
Location: /v1/ls
Return JSON
curl -s -XGET http://127.0.0.1:8889/v1/ls/ | jq
{
"childrens": [
"two",
"three",
"one"
],
"path": "/zoorest",
"state": "OK",
"error": ""
}curl -s -XGET http://127.0.0.1:8889/v1/ls/does/not/exist | jq
{
"childrens": null,
"path": "",
"state": "ERROR",
"error": "zk: node does not exist"
}Method: GET
Location: /v1/get
Return JSON
curl -s -XGET http://127.0.0.1:8889/v1/get/one/data | jq
{
"path": "/zoorest/one/data",
"state": "OK",
"error": "",
"data": "eyJzb21lIjogImpzb24ifQ=="
}
Node data stored in data field as base64 encoded string
echo eyJzb21lIjogImpzb24ifQ== | base64 -d
{"some": "json"}
curl -s -XGET http://127.0.0.1:8889/v1/get/does/not/exist | jq
{
"path": "",
"state": "ERROR",
"error": "zk: node does not exist",
"data": null
}Method: GET
Location: /v1/get/path/to/node+json
Simple add to the end of the path +json
Return JSON
curl -s -XGET http://127.0.0.1:8889/v1/json/one/data+json | jq
{
"path": "/json/one/data",
"state": "OK",
"error": "",
"zkstat": {
"Czxid": 45,
"Mzxid": 55,
"Ctime": 1564645641612,
"Mtime": 1564646317882,
"Version": 6,
"Cversion": 0,
"Aversion": 0,
"EphemeralOwner": 0,
"DataLength": 28,
"NumChildren": 0,
"Pzxid": 45
},
"data": {
"ok": true,
"some": "data"
}
}
curl -s -XGET http://127.0.0.1:8889/v1/get/invalid/json+json | jq
{
"path": "/invalid/json",
"state": "ERROR",
"error": "JSON parsing failure: invalid character 'i' looking for beginning of value",
"zkstat": {
"Czxid": 45,
"Mzxid": 56,
"Ctime": 1564645641612,
"Mtime": 1564646350753,
"Version": 7,
"Cversion": 0,
"Aversion": 0,
"EphemeralOwner": 0,
"DataLength": 17,
"NumChildren": 0,
"Pzxid": 45
},
"data": null
}Method: PUT
Location: /v1/up
Return string with created path
curl -XPUT http://127.0.0.1:8889/v1/up/two/three/four -d '{"four": "json"}'
/zoorest/two/three/four
Method: PATCH
Location: /v1/up
Return string with created children path
curl -XPATCH http://127.0.0.1:8889/v1/up/one/test -d 'test'
/one/test
curl -XPATCH http://127.0.0.1:8889/v1/up/six/test -d '{"six": "json"}'
zk: node does not exist
Method: POST
Location: /v1/up
Return string with updated path
curl -XPOST http://127.0.0.1:8889/v1/up/two -d '{"two": "json"}'
/zoorest/two
curl -XPOST http://127.0.0.1:8889/v1/up/twa -d '{"two": "json"}'
zk: node does not exist
Method: DELETE
Location: /v1/rmr
Return string with removed path
curl -XDELETE http://127.0.0.1:8889/v1/rmr/two
/zoorest/two
Method: LIST
Return JSON
curl -s -XGET http://127.0.0.1:8889/v2/ | jq
{
"childrens": [
"two",
"three",
"one"
],
"path": "/zoorest",
"state": "OK",
"error": ""
}curl -s -XGET http://127.0.0.1:8889/v2/does/not/exist | jq
{
"childrens": null,
"path": "",
"state": "ERROR",
"error": "zk: node does not exist"
}Method: GET
Return JSON
curl -s -XGET http://127.0.0.1:8889/v2/one/data | jq
{
"path": "/zoorest/one/data",
"state": "OK",
"error": "",
"data": "eyJzb21lIjogImpzb24ifQ=="
}
Node data stored in data field as base64 encoded string
echo eyJzb21lIjogImpzb24ifQ== | base64 -d
{"some": "json"}
curl -s -XGET http://127.0.0.1:8889/v2/does/not/exist | jq
{
"path": "",
"state": "ERROR",
"error": "zk: node does not exist",
"data": null
}Method: GET
Location: /v2/path/to/node+json
Simple add to the end of the path +json
Return JSON
curl -s -XGET http://127.0.0.1:8889/v2/json/one/data+json | jq
{
"path": "/json/one/data",
"state": "OK",
"error": "",
"zkstat": {
"Czxid": 45,
"Mzxid": 55,
"Ctime": 1564645641612,
"Mtime": 1564646317882,
"Version": 6,
"Cversion": 0,
"Aversion": 0,
"EphemeralOwner": 0,
"DataLength": 28,
"NumChildren": 0,
"Pzxid": 45
},
"data": {
"ok": true,
"some": "data"
}
}
curl -s -XGET http://127.0.0.1:8889/v2/invalid/json+json | jq
{
"path": "/invalid/json",
"state": "ERROR",
"error": "JSON parsing failure: invalid character 'i' looking for beginning of value",
"zkstat": {
"Czxid": 45,
"Mzxid": 56,
"Ctime": 1564645641612,
"Mtime": 1564646350753,
"Version": 7,
"Cversion": 0,
"Aversion": 0,
"EphemeralOwner": 0,
"DataLength": 17,
"NumChildren": 0,
"Pzxid": 45
},
"data": null
}Method: PUT
Return string with created path
curl -XPUT http://127.0.0.1:8889/v2/two/three/four -d '{"four": "json"}'
/zoorest/two/three/four
Method: PATCH
Return string with created children path
curl -XPATCH http://127.0.0.1:8889/v2/one/test -d 'test'
/one/test
curl -XPATCH http://127.0.0.1:8889/v2/six/test -d '{"six": "json"}'
zk: node does not exist
Method: POST
Return string with updated path
curl -XPOST http://127.0.0.1:8889/v2/two -d '{"two": "json"}'
/zoorest/two
curl -XPOST http://127.0.0.1:8889/v2/twa -d '{"two": "json"}'
zk: node does not exist
Method: DELETE
Return string with removed path
curl -XDELETE http://127.0.0.1:8889/v2/two
/zoorest/two
curl -XPOST http://127.0.0.1:8889/v2/two
Method POST not alowed
Set GOPATH variable
export GOPATH ${HOME}/.local
Get source code
go get github.com/Difrex/zoorest/rest
Get dependencies
cd ${GOPATH}/src/github.com/Difrex/zoorest
go get -t -v ./...
Build staticaly linked binary
go build -ldflags "-linkmode external -extldflags -static"
Build dynamicaly linked binary
go build
Build dynamicaly linked binary with gcc
go build -compile gccgo
Build binary with the Docker
git clone https://github.com/Difrex/zoorest.git
cd zoorest
./build.sh docker-binary
Result binary file will be placed in out/ dir
Build Alpine based docker image
git clone https://github.com/Difrex/zoorest.git
cd zoorest
./build.sh docker
Image will be tagged as zoorest:latest
Pull image
docker pull lessmore/zoorest
And run it
/usr/bin/docker run -d -p 8889:8889 --name zoorest lessmore/zoorest:latest --zk zoo1:2181,zoo2:2181,zoo3:2181 --path /zoorest/jail --listen 0.0.0.0:8889 -mc -mchosts mc1:11211,mc2:11211,mc3:11211
Denis Zheleztsov [email protected]
GPLv3 see LICENSE
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