技術標籤：javajavadocker

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這裡一定要確保elasticsearch和kibana的版本一直，否則後面可能會出現Kibana server is not ready yet的問題

# 儲存和檢索資料
docker pull elasticsearch:7.4.2 
# 視覺化檢索資料
docker pull kibana:7.4.2  

建立例項

mkdir -p /usr/local/localVolumes/elasticsearch/config
mkdir -p /usr/local/localVolumes/elasticsearch/data
echo "http.host:0.0.0.0"
 
>>/usr/local/localVolumes/elasticsearch/config/elasticsearch.yml
# 建立例項
docker run --name elasticsearch -p 9201:9200 -p 9301:9300 \
					-e "discovery:type=single-node" \
					-e ES_JAVA_OPTS="-Xms64m -Xmx256m" \
					-v /usr/local/localVolumes/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml \
					-v /usr/local/localVolumes/elasticsearch/data:/usr/share/elasticsearch/data \
					-v /usr/local/localVolumes/elasticsearch/plugins:/usr/share/elasticsearch/plugins \
					-d elasticsearch:7.4.2
 

需要給與這個資料夾授予許可權，負責可能無法啟動elasticsearch

sudo chmod -R 777 /usr/local/localVolumes/*

安裝視覺化介面Kibana

docker run --name kibana -e ELASTICSEARCH_HOSTS=http://127.0.0.1:9201 -p 5602:5601 \
       -d kibana:7.4.2

http://localhost:9201 要改為自己的對應IP地址

注意，如果直接配置成localhost:9201或者127.0.0.1:9201，kibana可能依然無法訪問，因為他應該配置容器的IP，而不是本機的IP

解決辦法：

1. 檢視ElasticSearch 的容器內部 ip：

   docker inspect elasticsearch
   

   找到Networks下的IPAddress:

   "Networks": {
                   "bridge": {
                       "IPAMConfig": null,
                       "Links": null,
                       "Aliases": null,
                       "NetworkID": "c6a4ecc8620aa0b16560232c95d66a00d838ce697c518d0e284e2798736e26c5",
                       "EndpointID": "91f1d9346871113ffa8e328bf7b7aef4e9ebc70fdfab4d3c99099dc5abc5b3ba",
                       "Gateway": "172.17.0.1",
                       "IPAddress": "172.17.0.3",
                       "IPPrefixLen": 16,
                       "IPv6Gateway": "",
                       "GlobalIPv6Address": "",
                       "GlobalIPv6PrefixLen": 0,
                       "MacAddress": "02:42:ac:11:00:03",
                       "DriverOpts": null
                   }
               }
   

   記住該IP，我的是172.17.0.3

2. 進入Kibana容器

   docker exec -it kibana bash
   cd config
   vi kibana.yml
   

   修改對應的ip，將"http://elasticsearch:9200" 中的 elasticsearch 替換成第一步的ip就好了。

3. 修改完成後退出容器，再重啟容器就好了

   docker stop kibana
   docker restart kibana
   

   再次訪問localhost:5602, 正常了

   那麼修改後的啟動命令應該是:

   docker run --name kibana -e ELASTICSEARCH_HOSTS=http://172.17.0.3:9200 -p 5602:5601 \
          -d kibana:7.4.2
   

如果按照以上的仍然無法訪問，可以繼續往下看

ElsaticSearch快取的問題

進入Kibana容器中，

docker exec -it kibana /bin/bash
bash-4.2$ ping 172.17.0.3
PING 172.17.0.3 (172.17.0.3) 56(84) bytes of data.
64 bytes from 172.17.0.3: icmp_seq=1 ttl=64 time=1.69 ms
64 bytes from 172.17.0.3: icmp_seq=2 ttl=64 time=0.102 ms
64 bytes from 172.17.0.3: icmp_seq=3 ttl=64 time=0.098 ms
64 bytes from 172.17.0.3: icmp_seq=4 ttl=64 time=0.127 ms
^C
--- 172.17.0.3 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3067ms
rtt min/avg/max/mdev = 0.098/0.506/1.698/0.688 ms
bash-4.2$ curl http://172.17.0.3:9200
{
  "name" : "be6174278743",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "7kjQgB_ZRx-HLcPZ3WtiBg",
  "version" : {
    "number" : "7.4.2",
    "build_flavor" : "default",
    "build_type" : "docker",
    "build_hash" : "2f90bbf7b93631e52bafb59b3b049cb44ec25e96",
    "build_date" : "2019-10-28T20:40:44.881551Z",
    "build_snapshot" : false,
    "lucene_version" : "8.2.0",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

從上面的日誌可以看出，容器間的訪問也是正常的，頭大，都沒問題，後來無意中看到了部落格提到快取，試了試果然可行，操作步驟如下：

1. 停止kibana

docker stop kibana

2. 刪除kibana索引

curl -XDELETE http://localhost:9201/.kibana*

3. 啟動kibana

docker start kibana

​ 好了，稍等片刻，大概一分鐘後吧，試試，果然可以正常訪問了

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