【elasticsearch-sql插件安装过程--支持简单SQL】

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大数据--ElasticSearch

elasticsearch-sql插件安装过程--支持简单SQL

elasticsearch-sql.就是通过sql语句去操作es集群.就是将sql语句给转成了es的查询语法.感觉非常好用.这里分享一下安装过程，注意：插件在国内被和谐了。需要想办法下载，附件给出2.1.1版本的SQL插件供下载。

一、查看安装手册

[root@node1 bin]# ./plugin
ERROR: command not specified

NAME

plugin - Manages plugins

SYNOPSIS

plugin <command>

DESCRIPTION

Manage plugins

COMMANDS

install Install a plugin

remove Remove a plugin

list List installed plugins

NOTES

[*] For usage help on specific commands please type "plugin <command> -h"

[root@node1 bin]# ./plugin install -h

NAME

install - Install a plugin

SYNOPSIS

plugin install <name or url>

DESCRIPTION

This command installs an elasticsearch plugin. It can be used as follows:

Officially supported or commercial plugins require just the plugin name:

plugin install analysis-icu
plugin install shield

Plugins from GitHub require 'username/repository' or 'username/repository/version':

plugin install lmenezes/elasticsearch-kopf
plugin install lmenezes/elasticsearch-kopf/1.5.7

Plugins from Maven Central or Sonatype require 'groupId/artifactId/version':

plugin install org.elasticsearch/elasticsearch-mapper-attachments/2.6.0

Plugins can be installed from a custom URL or file location as follows:

plugin install http://some.domain.name//my-plugin-1.0.0.zip
plugin install file:/path/to/my-plugin-1.0.0.zip

OFFICIAL PLUGINS

The following plugins are officially supported and can be installed by just referring to their name

    - analysis-icu
    - analysis-kuromoji
    - analysis-phonetic
    - analysis-smartcn
    - analysis-stempel
    - cloud-aws
    - cloud-azure
    - cloud-gce
    - delete-by-query
    - discovery-multicast
    - lang-javascript
    - lang-python
    - mapper-murmur3
    - mapper-size

OPTIONS

-t,--timeout Timeout until the plugin download is abort

-v,--verbose Verbose output

-h,--help Shows this message

二、开始安装

[root@node1 bin]# ./plugin install file:/opt/elasticsearch-2.1.1/elasticsearch-sql-2.1.1.1.zip
-> Installing from file:/opt/elasticsearch-2.1.1/elasticsearch-sql-2.1.1.1.zip...
Trying file:/opt/elasticsearch-2.1.1/elasticsearch-sql-2.1.1.1.zip ...
Downloading .......................................DONE
Verifying file:/opt/elasticsearch-2.1.1/elasticsearch-sql-2.1.1.1.zip checksums if available ...
NOTE: Unable to verify checksum for downloaded plugin (unable to find .sha1 or .md5 file to verify)
Installed sql into /opt/elasticsearch-2.1.1/plugins/sql
[root@node1 bin]# ./elasticsearch -d
[root@node1 bin]# Exception in thread "main" java.lang.RuntimeException: don't run elasticsearch as root.
        at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:93)
        at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:144)
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:285)
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:35)
Refer to the log for complete error details.

[root@node1 bin]# su - hadoop
[hadoop@node1 ~]$ cd /opt/elasticsearch-2.1.1/bin/
[hadoop@node1 bin]$ ./elasticsearch -d

三、验证

[hadoop@node1 bin]$ curl -XGET 192.168.1.101:9200
{
"name" : "node-1",
"cluster_name" : "my-application",
"version" : {
    "number" : "2.1.1",
    "build_hash" : "40e2c53a6b6c2972b3d13846e450e66f4375bd71",
    "build_timestamp" : "2015-12-15T13:05:55Z",
    "build_snapshot" : false,
    "lucene_version" : "5.3.1"
},
"tagline" : "You Know, for Search"
}
[hadoop@node1 bin]$ curl -XGET 192.168.1.101:9200/_plugin/sql
<head><meta http-equiv="refresh" content="0; URL=/_plugin/sql/"></head>[hadoop@node1 bin]$