cb-store

CB-Store is a common repository for managing Meta Info of Cloud-Barista. You can choose NUTSDB or ETCD for repository of CB-Store.

A. NUTSDB: Embedded Key-Value Store on the Local Filesystem. - https://github.com/xujiajun/nutsdb

B. ETCD(Client V3.0): Distributed Key-Value Store - https://github.com/etcd-io/etcd

1. install CB-Store library pkg

A. $ go get github.com/cloud-barista/cb-store

• cf) if meet errors
  • error msg: "gosrc/src/go.etcd.io/etcd/vendor/google.golang.org/grpc/clientconn.go:49:2: use of internal package google.golang.org/grpc/internal/resolver/dns not allowed"
  • sol: $ rm -rf $GOPATH/src/go.etcd.io/etcd/vendor/google.golang.org/grpc

B. export CBSTORE_ROOT=~/go/src/github.com/cloud-barista/cb-store

C. $ vi conf/store_conf.yaml # set up storetype(NUTSDB|ETCD)

2. example & test

A. example: https://github.com/cloud-barista/cb-store/blob/master/test/test.go

B. install ETCD (Client V3.0): When using ETCD

C. $ cd test

. $ go run test.go

  …
  =========================== Put(...)
  </> root
  </key1> value
  </key1> value1
  </key1/> value2
  </key1/%> value3%
  </key1/key2/key3> value4
  </space key> space value5
  </newline
   key> newline
   value6
  </a/b/c/123/d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u> value/value/value
  ===========================
  =========================== Get("/")
  </> root
  ===========================
  =========================== Get("space key")
  </space key> space value5
  ===========================
  =========================== GetList("/", Ascending)
  </> root
  </a/b/c/123/d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u> value/value/value
  </key1> value1
  </key1/> value2
  </key1/%> value3%
  </key1/key2/key3> value4
  </newline
   key> newline
   value6
  </space key> space value5
  ===========================
  =========================== GetList("/", Descending)
  </space key> space value5
  </newline
   key> newline
   value6
  </key1/key2/key3> value4
  </key1/%> value3%
  </key1/> value2
  </key1> value1
  </a/b/c/123/d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u> value/value/value
  </> root

  …