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一套全文检索解决方案，涉及到的技术有elasticsearch、mongodb、php、monolog等。
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PHP程序添加文章写入Mongodb中。
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通过mongodb-connector同步Mongodb数据到elasticsearch中。
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PHP程序(elasticsearch-php)全文检索elasticsearch。
Elasticsearch准备
1. 安装新版 java环境
2. 下载Elasticsearch
3. 解压压缩包
$ unzip elasticsearch-{version}.zip
4. 运行elasticsearch
$ ./elasticsearch-{version}/bin/elasticsearch
5. 测试运行情况 守护进程模式，加-d
$ curl 127.0.0.1:9200/?pretty
Notice - 正常可以看到以下返回信息：
{
"name" : "Martinex",
"cluster_name" : "elasticsearch",
"version" : {
"number" : "2.2.0",
"build_hash" : "8ff36d139e16f8720f2947ef62c8167a888992fe",
"build_timestamp" : "2016-01-27T13:32:39Z",
"build_snapshot" : false,
"lucene_version" : "5.4.1"
},
"tagline" : "You Know, for Search"
}
MongoDB准备
1. 下载MongoDB，也可以采用以下方式进行安装（linux下）
$ brew install mongodb
2. 解压压缩包到某个自定义目录下
3. 进入解压目录,新建data目录，然后在data目录下新建db目录，用来存放mongodb数据
4. 进入bin目录下，启动mongod,切记命令为
$ ./mongod
首次需配置MongoDB数据存放位置
$ sudo ./mongod --dbpath /Users/wlei24/es/mongodb-osx-x86_64-3.0.0/data/db/
后面运行时可能出现
ERROR：dbpath (/data/db) does not exist.
这是由于mongod启动时没有找到mongodb.conf导致的，因此我们的启动mongodb的时候手动添加 --dbpath即可
5. 测试MongoDB运行情况
进入bin目录，运行 ./mongo 进入mongodb控制台，输入
$ show dbs
显示结果：
article 0.078GB
local 0.328GB
同样你可以通过 127.0.0.1:27017 访问，页面显示:
It looks like you are trying to access MongoDB over HTTP on the native driver port.
Mongo-Connector准备
1. 下载mongo-connector
首先需要确保你已经安装pip，否则执行以下命令
$ easy_install pip
若已安装，执行以下命令
pip install mongo-connector
同样你也可以这样安装 - 下载完成后执行sudo python setup.py install
git clone https://github.com/10gen-labs/mongo-connector.git
cd mongo-connector
python setup.py install
2. 确保开启MongoDB复制集
mongod --replSet myDevReplSet
接着在mongodb控制台执行 rs.initiate()
3. 运行 mongodb-connector
mongo-connector -m 127.0.0.1:27017 -t 127.0.0.1:9200 -d elastic_doc_manager
你会惊奇发现报了一大堆的错误
No handlers could be found for logger "mongo_connector.util"
Traceback (most recent call last):
File "/usr/local/bin/mongo-connector", line 9, in <module>
load_entry_point('mongo-connector==2.3', 'console_scripts', 'mongo-connector')()
File "/Library/Python/2.7/site-packages/mongo_connector-2.3-py2.7.egg/mongo_connector/util.py", line 85, in wrapped
func(*args, **kwargs)
File "/Library/Python/2.7/site-packages/mongo_connector-2.3-py2.7.egg/mongo_connector/connector.py", line 1041, in main
conf.parse_args()
File "/Library/Python/2.7/site-packages/mongo_connector-2.3-py2.7.egg/mongo_connector/config.py", line 118, in parse_args
option, dict((k, values.get(k)) for k in option.cli_names))
File "/Library/Python/2.7/site-packages/mongo_connector-2.3-py2.7.egg/mongo_connector/connector.py", line 824, in apply_doc_managers
module = import_dm_by_name(dm['docManager'])
File "/Library/Python/2.7/site-packages/mongo_connector-2.3-py2.7.egg/mongo_connector/connector.py", line 814, in import_dm_by_name
"vailable doc managers." % full_name)
mongo_connector.errors.InvalidConfiguration: Could not import mongo_connector.doc_managers.elastic_doc_manager. It could be that this doc manager has been moved out of this project and is maintained
else where. Make sure that you have the doc manager installed alongside mongo-connector. Check the README for a list of available doc managers.
花了大半天没有解决问题，怪自己没仔细看错误输出，偌大的错误提示-没有找到elastic_doc_manager
不过感觉mongodb-connector也有点坑，默认doc_managers里面只有solr_doc_manageir
这时就需要你去elastic2-doc-manager
将elastic2-doc-manager.py拷贝到本地doc_manaers目录
执行之前命令，发现继续报错~
IOError: [Errno 13] Permission denied: '/Library/Python/2.7/site-packages/mongo_connector-2.3-py2.7.egg/mongo_connector/doc_managers/mongo-connector.log'
这个错误只需要根据报错信息，新建此文件，并赋予读写权限即可。
继续执行之前命令，惊奇发现已经显示正常迹象，不过随即退出。
解决此问题只需采用在命令前面加上sudo即可(意思你懂得~)
Logging to mongo-connector.log.
实际效果
添加文章效果图、
Mongodb存储文章形式、
Elasticsearch存储文章形式、
搜索文章标题效果、
搜索文章内容效果
参考资料：Elasticsearch权威指南、mongo-connector、MongoDB数据自动同步到Elasticsearch
Github地址，请手动start，感谢~