安装方法详见：https://github.com/hyperledger/caliper
hyperledger caliper 使用过程的一些坑以及解决办法
not ok 2 Failed to join peers, TypeError: Cannot read property ‘getConnectivityState’ of undefined at EventHub._checkConnection
# create mychannel......
ok 1 created mychannel successfully
# Sleep 5s......
# Join channel......
# join mychannel
not ok 2 Failed to join peers, TypeError: Cannot read property 'getConnectivityState' of undefined at EventHub._checkConnection (/Users/rjj/go/src/github.com/hyperledger/caliper/node_modules/fabric-client/lib/EventHub.js:479:39) at EventHub.registerBlockEvent (/Users/rjj/go/src/github.com/hyperledger/caliper/node_modules/fabric-client/lib/EventHub.js:658:8) at Promise (/Users/rjj/go/src/github.com/hyperledger/caliper/src/fabric/join-channel.js:139:20) at new Promise (<anonymous>) at eventhubs.forEach (/Users/rjj/go/src/github.com/hyperledger/caliper/src/fabric/join-channel.js:136:29) at Array.forEach (<anonymous>) at Client.newDefaultKeyValueStore.then.then.then.then (/Users/rjj/go/src/github.com/hyperledger/caliper/src/fabric/join-channel.js:135:19) at <anonymous>---operator: failat: channels.reduce.then.catch (/Users/rjj/go/src/github.com/hyperledger/caliper/src/fabric/join-channel.js:215:19)stack: |-Error: Failed to join peers, TypeError: Cannot read property 'getConnectivityState' of undefinedat EventHub._checkConnection (/Users/rjj/go/src/github.com/hyperledger/caliper/node_modules/fabric-client/lib/EventHub.js:479:39)at EventHub.registerBlockEvent (/Users/rjj/go/src/github.com/hyperledger/caliper/node_modules/fabric-client/lib/EventHub.js:658:8)at Promise (/Users/rjj/go/src/github.com/hyperledger/caliper/src/fabric/join-channel.js:139:20)at new Promise (<anonymous>)at eventhubs.forEach (/Users/rjj/go/src/github.com/hyperledger/caliper/src/fabric/join-channel.js:136:29)at Array.forEach (<anonymous>)at Client.newDefaultKeyValueStore.then.then.then.then (/Users/rjj/go/src/github.com/hyperledger/caliper/src/fabric/join-channel.js:135:19)at <anonymous>at Test.assert [as _assert] (/Users/rjj/go/src/github.com/hyperledger/caliper/node_modules/tape/lib/test.js:224:54)at Test.bound [as _assert] (/Users/rjj/go/src/github.com/hyperledger/cali