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ETCD 命令

存儲:
??? curl http://127.0.0.1:4001/v2/keys/testkey -XPUT -d value='testvalue'
??? curl -s http://127.0.0.1:4001/v2/keys/message2 -XPUT -d value='hello etcd' -d ttl=5

獲取:
??? curl http://127.0.0.1:4001/v2/keys/testkey

查看版本:
??? curl? http://127.0.0.1:4001/version

刪除:
??? curl -s http://127.0.0.1:4001/v2/keys/testkey -XDELETE

監(jiān)視:
??? 窗口1：curl -s http://127.0.0.1:4001/v2/keys/message2 -XPUT -d value='hello etcd 1'
????????? curl -s http://127.0.0.1:4001/v2/keys/message2?wait=true
??? 窗口2：
????????? curl -s http://127.0.0.1:4001/v2/keys/message2 -XPUT -d value='hello etcd 2'

自動創(chuàng)建key:
??? curl -s http://127.0.0.1:4001/v2/keys/message3 -XPOST -d value='hello etcd 1'
??? curl -s 'http://127.0.0.1:4001/v2/keys/message3?recursive=true&sorted=true'

創(chuàng)建目錄：
??? curl -s http://127.0.0.1:4001/v2/keys/message8 -XPUT -d dir=true

刪除目錄：
??? curl -s 'http://127.0.0.1:4001/v2/keys/message7?dir=true' -XDELETE
??? curl -s 'http://127.0.0.1:4001/v2/keys/message7?recursive=true' -XDELETE

查看所有key:
??? curl -s http://127.0.0.1:4001/v2/keys/?recursive=true

存儲數(shù)據(jù)：
??? curl -s http://127.0.0.1:4001/v2/keys/file -XPUT --data-urlencode value@upfile


使用etcdctl客戶端：
存儲:
??? etcdctl set /liuyiling/testkey "610" --ttl '100'
???????????????????????????????????????? --swap-with-value value

獲取：
??? etcdctl get /liuyiling/testkey

更新：
??? etcdctl update /liuyiling/testkey "world" --ttl '100'
?????? ?
刪除：
??? etcdctl rm /liuyiling/testkey

目錄管理：
??? etcdctl mk /liuyiling/testkey "hello"??? 類似set,但是如果key已經(jīng)存在，報錯

??? etcdctl mkdir /liuyiling

??? etcdctl setdir /liuyiling ?

??? etcdctl updatedir /liuyiling???? ?

??? etcdctl rmdir /liuyiling?? ?

查看：
??? etcdctl ls --recursive

監(jiān)視：
??? etcdctl watch mykey? --forever???????? +??? etcdctl update mykey "hehe"
??? ?
??? #監(jiān)視目錄下所有節(jié)點(diǎn)的改變

??? etcdctl exec-watch --recursive /foo -- sh -c "echo hi"

??? etcdctl exec-watch mykey -- sh -c 'ls -al'??? +??? etcdctl update mykey "hehe"

??? etcdctl member list


集群啟動步驟

1.啟動一個etcd，任意機(jī)器，如192.168.1.1:2379

2.curl -X PUT http://192.168.1.1:2379/v2/keys/discovery/6c007a14875d53d9bf0ef5a6fc0257c817f0f222/_config/size -d value=3

3.etcd -name machine1 -initial-advertise-peer-urls http://127.0.0.1:2380 -listen-peer-urls http://127.0.0.1:2380 -discovery http://192.168.1.1:2379/v2/keys/discovery/6c007a14875d53d9bf0ef5a6fc0257c817f0f222

4.如果是在三臺不同的服務(wù)器上，則重復(fù)上面的命令3次，否則重復(fù)上面的命令1次+下面的命令2次
etcd -name machine2 -discovery http://192.168.1.1:2379/v2/keys/discovery/6c007a14875d53d9bf0ef5a6fc0257c817f0f222 -addr 127.0.0.1:2389 -bind-addr 127.0.0.1:2389 -peer-addr 127.0.0.1:2390 -peer-bind-addr 127.0.0.1:2390

etcd -name machine3 -discovery http://192.168.1.1:2379/v2/keys/discovery/6c007a14875d53d9bf0ef5a6fc0257c817f0f222 -addr 127.0.0.1:2409 -bind-addr 127.0.0.1:2409 -peer-addr 127.0.0.1:2490 -peer-bind-addr 127.0.0.1:2490

5.curl -L http://localhost:2379/v2/members | python -m json.tool
???????????????

總結(jié)

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