### 2.1 下载并解压
下载所需版本的 Sqoop ,这里我下载的是 `CDH` 版本的 Sqoop 。下载地址为:http://archive.cloudera.com/cdh5/cdh/5/
```shell
# 下载后进行解压
tar -zxvf sqoop-1.4.6-cdh5.15.2.tar.gz
```
### 2.2 配置环境变量
```shell
# vim /etc/profile
```
添加环境变量:
```shell
export SQOOP_HOME=/usr/app/sqoop-1.4.6-cdh5.15.2
export PATH=$SQOOP_HOME/bin:$PATH
```
使得配置的环境变量立即生效:
```shell
# source /etc/profile
```
### 2.3 修改配置
进入安装目录下的 `conf/` 目录,拷贝 Sqoop 的环境配置模板 `sqoop-env.sh.template`
```shell
# cp sqoop-env-template.sh sqoop-env.sh
```
修改 `sqoop-env.sh`,内容如下 (以下配置中 `HADOOP_COMMON_HOME` 和 `HADOOP_MAPRED_HOME` 是必选的,其他的是可选的):
```shell
# Set Hadoop-specific environment variables here.
#Set path to where bin/hadoop is available
export HADOOP_COMMON_HOME=/usr/app/hadoop-2.6.0-cdh5.15.2
#Set path to where hadoop-*-core.jar is available
export HADOOP_MAPRED_HOME=/usr/app/hadoop-2.6.0-cdh5.15.2
#set the path to where bin/hbase is available
export HBASE_HOME=/usr/app/hbase-1.2.0-cdh5.15.2
#Set the path to where bin/hive is available
export HIVE_HOME=/usr/app/hive-1.1.0-cdh5.15.2
#Set the path for where zookeper config dir is
export ZOOCFGDIR=/usr/app/zookeeper-3.4.13/conf
```
### 2.4 拷贝数据库驱动
将 MySQL 驱动包拷贝到 Sqoop 安装目录的 `lib` 目录下, 驱动包的下载地址为 https://dev.mysql.com/downloads/connector/j/ 。在本仓库的[resources](https://github.com/heibaiying/BigData-Notes/tree/master/resources) 目录下我也上传了一份,有需要的话可以自行下载。
这里出现的两个 `Warning` 警告是因为我们本身就没有用到 `HCatalog` 和 `Accumulo`,忽略即可。Sqoop 在启动时会去检查环境变量中是否有配置这些软件,如果想去除这些警告,可以修改 `bin/configure-sqoop`,注释掉不必要的检查。
```shell
# Check: If we can't find our dependencies, give up here.
if [ ! -d "${HADOOP_COMMON_HOME}" ]; then
echo "Error: $HADOOP_COMMON_HOME does not exist!"
echo 'Please set $HADOOP_COMMON_HOME to the root of your Hadoop installation.'
exit 1
fi
if [ ! -d "${HADOOP_MAPRED_HOME}" ]; then
echo "Error: $HADOOP_MAPRED_HOME does not exist!"
echo 'Please set $HADOOP_MAPRED_HOME to the root of your Hadoop MapReduce installation.'
exit 1
fi
## Moved to be a runtime check in sqoop.
if [ ! -d "${HBASE_HOME}" ]; then
echo "Warning: $HBASE_HOME does not exist! HBase imports will fail."
echo 'Please set $HBASE_HOME to the root of your HBase installation.'
fi
## Moved to be a runtime check in sqoop.
if [ ! -d "${HCAT_HOME}" ]; then
echo "Warning: $HCAT_HOME does not exist! HCatalog jobs will fail."
echo 'Please set $HCAT_HOME to the root of your HCatalog installation.'
fi
if [ ! -d "${ACCUMULO_HOME}" ]; then
echo "Warning: $ACCUMULO_HOME does not exist! Accumulo imports will fail."
echo 'Please set $ACCUMULO_HOME to the root of your Accumulo installation.'
fi
if [ ! -d "${ZOOKEEPER_HOME}" ]; then
echo "Warning: $ZOOKEEPER_HOME does not exist! Accumulo imports will fail."
echo 'Please set $ZOOKEEPER_HOME to the root of your Zookeeper installation.'
fi
```