python链接hbase模块_HBase实战（1）：使用Python连接Hbase数据库
來源于 https://blog.csdn.net/duan_zhihua/java/article/details/80622166
使用Python連接Hbase數據庫
1，Hbase下載。
下載地址：http://hbase.apache.org/downloads.html
2，本地Hbase安裝
root@master:/usr/local/setup_tools# tar -zxvf hbase-2.0.0-bin.tar.gz
root@master:/usr/local/setup_tools# mv hbase-2.0.0 /usr/local/
root@master:/usr/local/setup_tools# cd /usr/local
root@master:/usr/local# ls | grep hbase
hbase-2.0.0
root@master:/usr/local#
root@master:/usr/local/hbase-2.0.0# vi /etc/profile
export HBASE_HOME=/usr/local/hbase-2.0.0
export PATH=.:$PATH:$JAVA_HOME/bin:$SCALA_HOME/bin:$HADOOP_HOME/bin:$SPARK_HOME/bin:$HIVE_HOME/bin:$FLUME_HOME/bin:$ZOOKEEPER_HOME/bin:$KAFKA_HOME/bin:$IDEA_HOME/bin:$eclipse_HOME:$MAVEN_HOME/bin:$ALLUXIO_HOME/bin:$HBASE_HOME/bin
root@master:/usr/local/hbase-2.0.0# source /etc/profile
3，配置
修改hbase-site.xml，設置存儲數據的根目錄。
root@master:/usr/local/hbase-2.0.0/conf# vi hbase-site.xml
hbase.rootdir
file:///usr/local/hbase-2.0.0/data
4，啟動hbase
root@master:/usr/local/hbase-2.0.0# cd bin
root@master:/usr/local/hbase-2.0.0/bin# ls
considerAsDead.sh hbase hbase-config.cmd hbase-jruby master-backup.sh replication start-hbase.sh zookeepers.sh
draining_servers.rb hbase-cleanup.sh hbase-config.sh hirb.rb region_mover.rb rolling-restart.sh stop-hbase.cmd
get-active-master.rb hbase.cmd hbase-daemon.sh local-master-backup.sh regionservers.sh shutdown_regionserver.rb stop-hbase.sh
graceful_stop.sh hbase-common.sh hbase-daemons.sh local-regionservers.sh region_status.rb start-hbase.cmd test
root@master:/usr/local/hbase-2.0.0/bin# start-hbase.sh
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/usr/local/hbase-2.0.0/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/alluxio-1.7.0-hadoop-2.6/client/alluxio-1.7.0-client.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
running master, logging to /usr/local/hbase-2.0.0/logs/hbase-root-master-master.out
root@master:/usr/local/hbase-2.0.0/bin# jps
2757 Jps
2685 HMaster
5，使用hbase shell
root@master:/usr/local/hbase-2.0.0/bin# hbase shell
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/usr/local/hbase-2.0.0/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/alluxio-1.7.0-hadoop-2.6/client/alluxio-1.7.0-client.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
HBase Shell
Use "help" to get list of supported commands.
Use "exit" to quit this interactive shell.
Version 2.0.0, r7483b111e4da77adbfc8062b3b22cbe7c2cb91c1, Sun Apr 22 20:26:55 PDT 2018
Took 0.0044 seconds
hbase(main):001:0>
hbase(main):003:0> version
2.0.0, r7483b111e4da77adbfc8062b3b22cbe7c2cb91c1, Sun Apr 22 20:26:55 PDT 2018
Took 0.0054 seconds
hbase(main):004:0>
啟動hbase thrift服務。
root@master:/usr/local/hbase-2.0.0/bin# hbase-daemon.sh start thrift
running thrift, logging to /usr/local/hbase-2.0.0/logs/hbase-root-thrift-master.out
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/usr/local/hbase-2.0.0/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/alluxio-1.7.0-hadoop-2.6/client/alluxio-1.7.0-client.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
root@master:/usr/local/hbase-2.0.0/bin# jps
3332 Jps
3254 ThriftServer
2685 HMaster
root@master:/usr/local/hbase-2.0.0/bin#
二，使用Python連接Hbase。
1，建立Python開發環境 ---虛擬環境。
先進行檢查。
root@master:/usr/local/hbase-2.0.0/bin# pip
The program 'pip' is currently not installed. You can install it by typing:
apt-get install python-pip
root@master:/usr/local/hbase-2.0.0/bin# python
Python 2.7.6 (default, Mar 22 2014, 22:59:56)
[GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()
root@master:/usr/local/hbase-2.0.0/bin#
安裝pip。
root@master:/usr/local/hbase-2.0.0/bin# apt-get install python-pip
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
diffstat hardening-includes libapt-pkg-perl libarchive-zip-perl
libautodie-perl libclass-accessor-perl libemail-valid-perl libio-pty-perl
libio-string-perl libipc-run-perl libipc-system-simple-perl
liblist-moreutils-perl libnet-dns-perl libnet-domain-tld-perl libnet-ip-perl
libparse-debianchangelog-perl libperlio-gzip-perl libsub-identify-perl
libsub-name-perl libtext-levenshtein-perl patchutils t1utils
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
python-chardet-whl python-colorama python-colorama-whl python-distlib
python-distlib-whl python-html5lib python-html5lib-whl python-pip-whl
python-pkg-resources python-requests-whl python-setuptools
python-setuptools-whl python-six-whl python-urllib3-whl python-wheel
Suggested packages:
python-genshi python-distribute python-distribute-doc
Recommended packages:
python-dev-all
The following NEW packages will be installed:
python-chardet-whl python-colorama python-colorama-whl python-distlib
python-distlib-whl python-html5lib python-html5lib-whl python-pip
python-pip-whl python-requests-whl python-setuptools python-setuptools-whl
python-six-whl python-urllib3-whl python-wheel
The following packages will be upgraded:
python-pkg-resources
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root@master:/usr/local/hbase-2.0.0/bin#
Pip安裝好之后，安裝virtualenv軟件，讓操作系統支持虛擬環境，可以得到命令virtualenv或者pyvenv命令。
root@master:/usr/local/hbase-2.0.0/bin# pip install virtualenv
Downloading/unpacking virtualenv
Downloading virtualenv-16.0.0-py2.py3-none-any.whl (1.9MB): 1.9MB downloaded
Installing collected packages: virtualenv
Successfully installed virtualenv
Cleaning up...
root@master:/usr/local/hbase-2.0.0/bin#
創建虛擬環境
root@master:/usr/local# mkdir myPythonEnv
root@master:/usr/local# cd myPythonEnv
root@master:/usr/local/myPythonEnv# pwd
/usr/local/myPythonEnv
root@master:/usr/local/myPythonEnv# Pyvenv project-env
Pyvenv: command not found
root@master:/usr/local/myPythonEnv# virtualenv project-env
New python executable in /usr/local/myPythonEnv/project-env/bin/python
Installing setuptools, pip, wheel...done.
root@master:/usr/local/myPythonEnv#
進入虛擬環境：
root@master:/usr/local/myPythonEnv/project-env/bin# source /usr/local/myPythonEnv/project-env/bin/activate
(project-env) root@master:/usr/local/myPythonEnv/project-env/bin#
安裝Thrift依賴包
(project-env) root@master:/usr/local/myPythonEnv/project-env/bin# pip install thrift
Collecting thrift
/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:339: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
SNIMissingWarning
/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
InsecurePlatformWarning
/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
InsecurePlatformWarning
Downloading https://files.pythonhosted.org/packages/c6/b4/510617906f8e0c5660e7d96fbc5585113f83ad547a3989b80297ac72a74c/thrift-0.11.0.tar.gz (52kB)
100% |████████████████████████████████| 61kB 22kB/s
Collecting six>=1.7.2 (from thrift)
Downloading https://files.pythonhosted.org/packages/67/4b/141a581104b1f6397bfa78ac9d43d8ad29a7ca43ea90a2d863fe3056e86a/six-1.11.0-py2.py3-none-any.whl
Building wheels for collected packages: thrift
Running setup.py bdist_wheel for thrift ... done
Stored in directory: /root/.cache/pip/wheels/be/36/81/0f93ba89a1cb7887c91937948519840a72c0ffdd57cac0ae8f
Successfully built thrift
Installing collected packages: six, thrift
Successfully installed six-1.11.0 thrift-0.11.0
安裝hbase-thrift依賴包
(project-env) root@master:/usr/local/myPythonEnv/project-env/bin# pip install hbase-thrift
Collecting hbase-thrift
/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:339: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
SNIMissingWarning
/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
InsecurePlatformWarning
/usr/local/myPythonEnv/project-env/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
InsecurePlatformWarning
Downloading https://files.pythonhosted.org/packages/89/f7/dbb6c764bb909ed361c255828701228d8c9867d541cfef84127e6f3704cc/hbase-thrift-0.20.4.tar.gz
Requirement already satisfied: Thrift in /usr/local/myPythonEnv/project-env/lib/python2.7/site-packages (from hbase-thrift) (0.11.0)
Requirement already satisfied: six>=1.7.2 in /usr/local/myPythonEnv/project-env/lib/python2.7/site-packages (from Thrift->hbase-thrift) (1.11.0)
Building wheels for collected packages: hbase-thrift
Running setup.py bdist_wheel for hbase-thrift ... done
Stored in directory: /root/.cache/pip/wheels/fe/51/f2/afb7b010cd97910aa0b651d492735a38ed69a93a817444904e
Successfully built hbase-thrift
Installing collected packages: hbase-thrift
Successfully installed hbase-thrift-0.20.4
(project-env) root@master:/usr/local/myPythonEnv/project-env/bin#
Python連接HBASE的測試程序
(project-env) root@master:/usr/local/noc_python_201806# vi queryTest.py
from thrift import Thrift
from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
from hbase import Hbase
from hbase.ttypes import *
transport = TSocket.TSocket('localhost', 9090)
transport = TTransport.TBufferedTransport(transport)
protocol = TBinaryProtocol.TBinaryProtocol(transport)
client = Hbase.Client(protocol)
transport.open()
print client.getTableNames()
運行結果為，查詢出表：
(project-env) root@master:/usr/local/noc_python_201806# python queryTest.py
['test', 'testHbase']
(project-env) root@master:/usr/local/noc_python_201806#
Hbase中的表
hbase(main):025:0> list
TABLE
test
testHbase
2 row(s)
Took 0.0188 seconds
=> ["test", "testHbase"]
hbase(main):026:0>
至此，Python連接Hbase已經成功！
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