diff --git a/README.md b/README.md index dff0230..e806ba2 100644 --- a/README.md +++ b/README.md @@ -51,6 +51,7 @@ DataX目前已经有了比较全面的插件体系，主流的RDBMS数据库、N | | Phoenix5.x | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hbase20xsqlreader/doc/hbase20xsqlreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hbase20xsqlwriter/doc/hbase20xsqlwriter.md)| | | MongoDB | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/mongoreader/doc/mongoreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/mongowriter/doc/mongowriter.md)| | | Hive | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hdfsreader/doc/hdfsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hdfswriter/doc/hdfswriter.md)| +| | Cassandra | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/cassandrareader/doc/cassandrareader.md) 、[写](https://github.com/alibaba/DataX/blob/master/cassandrawriter/doc/cassandrawriter.md)| | 无结构化数据存储 | TxtFile | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/txtfilereader/doc/txtfilereader.md) 、[写](https://github.com/alibaba/DataX/blob/master/txtfilewriter/doc/txtfilewriter.md)| | | FTP | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/ftpreader/doc/ftpreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/ftpwriter/doc/ftpwriter.md)| | | HDFS | √ | √ |[读](https://github.com/alibaba/DataX/blob/master/hdfsreader/doc/hdfsreader.md) 、[写](https://github.com/alibaba/DataX/blob/master/hdfswriter/doc/hdfswriter.md)| diff --git a/cassandrareader/doc/cassandrareader.md b/cassandrareader/doc/cassandrareader.md new file mode 100644 index 0000000..144e78a --- /dev/null +++ b/cassandrareader/doc/cassandrareader.md @@ -0,0 +1,217 @@ + +# CassandraReader 插件文档 + + +___ + + + +## 1 快速介绍 + +CassandraReader插件实现了从Cassandra读取数据。在底层实现上，CassandraReader通过datastax的java driver连接Cassandra实例，并执行相应的cql语句将数据从cassandra中SELECT出来。 + + +## 2 实现原理 + +简而言之，CassandraReader通过java driver连接到Cassandra实例，并根据用户配置的信息生成查询SELECT CQL语句，然后发送到Cassandra，并将该CQL执行返回结果使用DataX自定义的数据类型拼装为抽象的数据集，并传递给下游Writer处理。 + +对于用户配置Table、Column的信息，CassandraReader将其拼接为CQL语句发送到Cassandra。 + + +## 3 功能说明 + +### 3.1 配置样例 + +* 配置一个从Cassandra同步抽取数据到本地的作业: + +``` +{ + "job": { + "setting": { + "speed": { + "channel": 3 + } + }, + "content": [ + { + "reader": { + "name": "cassandrareader", + "parameter": { + "host": "localhost", + "port": 9042, + "useSSL": false, + "keyspace": "test", + "table": "datax_src", + "column": [ + "textCol", + "blobCol", + "writetime(blobCol)", + "boolCol", + "smallintCol", + "tinyintCol", + "intCol", + "bigintCol", + "varintCol", + "floatCol", + "doubleCol", + "decimalCol", + "dateCol", + "timeCol", + "timeStampCol", + "uuidCol", + "inetCol", + "durationCol", + "listCol", + "mapCol", + "setCol" + "tupleCol" + "udtCol", + ] + } + }, + "writer": { + "name": "streamwriter", + "parameter": { + "print":true + } + } + } + ] + } +} + +``` + + +### 3.2 参数说明 + +* **host** + + * 描述：Cassandra连接点的域名或ip，多个node之间用逗号分隔。
+ + * 必选：是
+ + * 默认值：无
+ +* **port** + + * 描述：Cassandra端口。
+ + * 必选：是
+ + * 默认值：9042
+ +* **username** + + * 描述：数据源的用户名
+ + * 必选：否
+ + * 默认值：无
+ +* **password** + + * 描述：数据源指定用户名的密码
+ + * 必选：否
+ + * 默认值：无
+ +* **useSSL** + + * 描述：是否使用SSL连接。
+ + * 必选：否
+ + * 默认值：false
+ +* **keyspace** + + * 描述：需要同步的表所在的keyspace。
+ + * 必选：是
+ + * 默认值：无
+ +* **table** + + * 描述：所选取的需要同步的表。
+ + * 必选：是
+ + * 默认值：无
+ +* **column** + + * 描述：所配置的表中需要同步的列集合。
+ 其中的元素可以指定列的名称或writetime(column_name)，后一种形式会读取column_name列的时间戳而不是数据。 + + * 必选：是
+ + * 默认值：无
+ + +* **where** + + * 描述：数据筛选条件的cql表达式，例如:
+ ``` + "where":"textcol='a'" + ``` + + * 必选：否
+ + * 默认值：无
+ +* **allowFiltering** + + * 描述：是否在服务端过滤数据。参考cassandra文档中ALLOW FILTERING关键字的相关描述。
+ + * 必选：否
+ + * 默认值：无
+ +* **consistancyLevel** + + * 描述：数据一致性级别。可选ONE|QUORUM|LOCAL_QUORUM|EACH_QUORUM|ALL|ANY|TWO|THREE|LOCAL_ONE
+ + * 必选：否
+ + * 默认值：LOCAL_QUORUM
+ + +### 3.3 类型转换 + +目前CassandraReader支持除counter和Custom类型之外的所有类型。 + +下面列出CassandraReader针对Cassandra类型转换列表: + + +| DataX 内部类型| Cassandra 数据类型 | +| -------- | ----- | +| Long |int, tinyint, smallint,varint,bigint,time| +| Double |float, double, decimal| +| String |ascii,varchar, text,uuid,timeuuid,duration,list,map,set,tuple,udt,inet | +| Date |date, timestamp | +| Boolean |bool | +| Bytes |blob | + + + +请注意: + +* 目前不支持counter类型和custom类型。 + +## 4 性能报告 + +略 + +## 5 约束限制 + +### 5.1 主备同步数据恢复问题 + +略 + +## 6 FAQ + + + diff --git a/cassandrareader/pom.xml b/cassandrareader/pom.xml new file mode 100644 index 0000000..4acc5e3 --- /dev/null +++ b/cassandrareader/pom.xml @@ -0,0 +1,133 @@ + + + 4.0.0 + + com.alibaba.datax + datax-all + 0.0.1-SNAPSHOT + + cassandrareader + cassandrareader + jar + + + + com.alibaba.datax + datax-common + ${datax-project-version} + + + slf4j-log4j12 + org.slf4j + + + + + org.slf4j + slf4j-api + + + ch.qos.logback + logback-classic + + + + com.datastax.cassandra + cassandra-driver-core + 3.7.2 + shaded + + + com.google.guava + guava + + + + + com.google.guava + guava + 16.0.1 + + + commons-codec + commons-codec + 1.9 + + + + + junit + junit + test + + + com.alibaba.datax + datax-core + ${datax-project-version} + + + com.alibaba.datax + datax-service-face + + + org.apache.hadoop + hadoop-common + + + org.apache.hive + hive-exec + + + org.apache.hive + hive-serde + + + javolution + javolution + + + test + + + org.mockito + mockito-all + 1.9.5 + test + + + + + + + + + maven-compiler-plugin + + 1.6 + 1.6 + ${project-sourceEncoding} + + + + + maven-assembly-plugin + + + src/main/assembly/package.xml + + datax + + + + dwzip + package + + single + + + + + + + diff --git a/cassandrareader/src/main/assembly/package.xml b/cassandrareader/src/main/assembly/package.xml new file mode 100644 index 0000000..263aa34 --- /dev/null +++ b/cassandrareader/src/main/assembly/package.xml @@ -0,0 +1,35 @@ + + + + dir + + false + + + src/main/resources + + plugin.json + plugin_job_template.json + + plugin/reader/cassandrareader + + + target/ + + cassandrareader-0.0.1-SNAPSHOT.jar + + plugin/reader/cassandrareader + + + + + + false + plugin/reader/cassandrareader/libs + runtime + + + diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReader.java b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReader.java new file mode 100644 index 0000000..e5215e6 --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReader.java @@ -0,0 +1,123 @@ +package com.alibaba.datax.plugin.reader.cassandrareader; + +import com.alibaba.datax.common.element.Record; +import com.alibaba.datax.common.plugin.RecordSender; +import com.alibaba.datax.common.spi.Reader; +import com.alibaba.datax.common.util.Configuration; + +import com.datastax.driver.core.Cluster; +import com.datastax.driver.core.ConsistencyLevel; +import com.datastax.driver.core.ResultSet; +import com.datastax.driver.core.Row; +import com.datastax.driver.core.Session; +import com.datastax.driver.core.SimpleStatement; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.List; + +public class CassandraReader extends Reader { + private static final Logger LOG = LoggerFactory + .getLogger(CassandraReader.class); + + public static class Job extends Reader.Job { + + private Configuration jobConfig = null; + private Cluster cluster = null; + + @Override public void init() { + this.jobConfig = super.getPluginJobConf(); + this.jobConfig = super.getPluginJobConf(); + String username = jobConfig.getString(Key.USERNAME); + String password = jobConfig.getString(Key.PASSWORD); + String hosts = jobConfig.getString(Key.HOST); + Integer port = jobConfig.getInt(Key.PORT,9042); + boolean useSSL = jobConfig.getBool(Key.USESSL); + + if ((username != null) && !username.isEmpty()) { + Cluster.Builder clusterBuilder = Cluster.builder().withCredentials(username, password) + .withPort(Integer.valueOf(port)).addContactPoints(hosts.split(",")); + if (useSSL) { + clusterBuilder = clusterBuilder.withSSL(); + } + cluster = clusterBuilder.build(); + } else { + cluster = Cluster.builder().withPort(Integer.valueOf(port)) + .addContactPoints(hosts.split(",")).build(); + } + CassandraReaderHelper.checkConfig(jobConfig,cluster); + } + + @Override public void destroy() { + + } + + @Override public List split(int adviceNumber) { + List splittedConfigs = CassandraReaderHelper.splitJob(adviceNumber,jobConfig,cluster); + return splittedConfigs; + } + + } + + public static class Task extends Reader.Task { + private Configuration taskConfig; + private Cluster cluster = null; + private Session session = null; + private String queryString = null; + private ConsistencyLevel consistencyLevel; + private int columnNumber = 0; + private List columnMeta = null; + + @Override public void init() { + this.taskConfig = super.getPluginJobConf(); + String username = taskConfig.getString(Key.USERNAME); + String password = taskConfig.getString(Key.PASSWORD); + String hosts = taskConfig.getString(Key.HOST); + Integer port = taskConfig.getInt(Key.PORT); + boolean useSSL = taskConfig.getBool(Key.USESSL); + String keyspace = taskConfig.getString(Key.KEYSPACE); + this.columnMeta = taskConfig.getList(Key.COLUMN,String.class); + columnNumber = columnMeta.size(); + + if ((username != null) && !username.isEmpty()) { + Cluster.Builder clusterBuilder = Cluster.builder().withCredentials(username, password) + .withPort(Integer.valueOf(port)).addContactPoints(hosts.split(",")); + if (useSSL) { + clusterBuilder = clusterBuilder.withSSL(); + } + cluster = clusterBuilder.build(); + } else { + cluster = Cluster.builder().withPort(Integer.valueOf(port)) + .addContactPoints(hosts.split(",")).build(); + } + session = cluster.connect(keyspace); + String cl = taskConfig.getString(Key.CONSITANCY_LEVEL); + if( cl != null && !cl.isEmpty() ) { + consistencyLevel = ConsistencyLevel.valueOf(cl); + } else { + consistencyLevel = ConsistencyLevel.LOCAL_QUORUM; + } + + queryString = CassandraReaderHelper.getQueryString(taskConfig,cluster); + LOG.info("query = " + queryString); + + } + + @Override public void startRead(RecordSender recordSender) { + ResultSet r = session.execute(new SimpleStatement(queryString).setConsistencyLevel(consistencyLevel)); + for (Row row : r ) { + Record record = recordSender.createRecord(); + record = CassandraReaderHelper.buildRecord(record,row,r.getColumnDefinitions(),columnNumber, + super.getTaskPluginCollector()); + if( record != null ) + recordSender.sendToWriter(record); + } + } + + @Override public void destroy() { + + } + + } + +} diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReaderErrorCode.java b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReaderErrorCode.java new file mode 100644 index 0000000..42927ef --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReaderErrorCode.java @@ -0,0 +1,32 @@ +package com.alibaba.datax.plugin.reader.cassandrareader; + +import com.alibaba.datax.common.spi.ErrorCode; + +public enum CassandraReaderErrorCode implements ErrorCode { + CONF_ERROR("CassandraReader-00", "配置错误."), + ; + + private final String code; + private final String description; + + private CassandraReaderErrorCode(String code, String description) { + this.code = code; + this.description = description; + } + + @Override + public String getCode() { + return this.code; + } + + @Override + public String getDescription() { + return this.description; + } + + @Override + public String toString() { + return String.format("Code:[%s], Description:[%s]. ", this.code, + this.description); + } +} diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReaderHelper.java b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReaderHelper.java new file mode 100644 index 0000000..0a4e83f --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReaderHelper.java @@ -0,0 +1,607 @@ +package com.alibaba.datax.plugin.reader.cassandrareader; + +import java.math.BigDecimal; +import java.math.BigInteger; +import java.net.InetAddress; +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Date; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import com.alibaba.datax.common.element.BoolColumn; +import com.alibaba.datax.common.element.BytesColumn; +import com.alibaba.datax.common.element.DateColumn; +import com.alibaba.datax.common.element.DoubleColumn; +import com.alibaba.datax.common.element.LongColumn; +import com.alibaba.datax.common.element.Record; +import com.alibaba.datax.common.element.StringColumn; +import com.alibaba.datax.common.exception.DataXException; +import com.alibaba.datax.common.plugin.TaskPluginCollector; +import com.alibaba.datax.common.util.Configuration; +import com.alibaba.fastjson.JSON; + +import com.datastax.driver.core.Cluster; +import com.datastax.driver.core.CodecRegistry; +import com.datastax.driver.core.ColumnDefinitions; +import com.datastax.driver.core.ColumnMetadata; +import com.datastax.driver.core.DataType; +import com.datastax.driver.core.Duration; +import com.datastax.driver.core.LocalDate; +import com.datastax.driver.core.Row; +import com.datastax.driver.core.TableMetadata; +import com.datastax.driver.core.TupleType; +import com.datastax.driver.core.TupleValue; +import com.datastax.driver.core.UDTValue; +import com.datastax.driver.core.UserType; +import com.google.common.reflect.TypeToken; +import org.apache.commons.codec.binary.Base64; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Created by mazhenlin on 2019/8/21. + */ +public class CassandraReaderHelper { + static CodecRegistry registry = new CodecRegistry(); + private static final Logger LOG = LoggerFactory + .getLogger(CassandraReader.class); + + static class TypeNotSupported extends Exception{} + + static String toJSonString(Object o, DataType type ) throws Exception{ + if( o == null ) return JSON.toJSONString(null); + switch (type.getName()) { + case LIST: + case MAP: + case SET: + case TUPLE: + case UDT: + return JSON.toJSONString(transferObjectForJson(o,type)); + + default: + return JSON.toJSONString(o); + } + } + + static Object transferObjectForJson(Object o,DataType type) throws TypeNotSupported{ + if( o == null ) return o; + switch (type.getName()) { + case ASCII: + case TEXT: + case VARCHAR: + case BOOLEAN: + case SMALLINT: + case TINYINT: + case INT: + case BIGINT: + case VARINT: + case FLOAT: + case DOUBLE: + case DECIMAL: + case UUID: + case TIMEUUID: + case TIME: + return o; + + case BLOB: + ByteBuffer byteBuffer = (ByteBuffer)o; + String s = Base64.encodeBase64String( + Arrays.copyOfRange(byteBuffer.array(),byteBuffer.position(), + byteBuffer.limit())); + return s; + + case DATE: + return ((LocalDate)o).getMillisSinceEpoch(); + + case TIMESTAMP: + return ((Date)o).getTime(); + + case DURATION: + return o.toString(); + + case INET: + return ((InetAddress)o).getHostAddress(); + + case LIST: { + return transferListForJson((List)o,type.getTypeArguments().get(0)); + } + + case MAP: { + DataType keyType = type.getTypeArguments().get(0); + DataType valType = type.getTypeArguments().get(1); + return transferMapForJson((Map)o,keyType,valType); + } + + case SET: { + return transferSetForJson((Set)o, type.getTypeArguments().get(0)); + } + + case TUPLE: { + return transferTupleForJson((TupleValue)o,((TupleType)type).getComponentTypes()); + } + + case UDT: { + return transferUDTForJson((UDTValue)o); + } + + default: + throw new TypeNotSupported(); + } + + } + + static List transferListForJson(List clist, DataType eleType) throws TypeNotSupported { + List result = new ArrayList(); + switch (eleType.getName()) { + case ASCII: + case TEXT: + case VARCHAR: + case BOOLEAN: + case SMALLINT: + case TINYINT: + case INT: + case BIGINT: + case VARINT: + case FLOAT: + case DOUBLE: + case DECIMAL: + case TIME: + case UUID: + case TIMEUUID: + return clist; + + case BLOB: + case DATE: + case TIMESTAMP: + case DURATION: + case INET: + case LIST: + case MAP: + case SET: + case TUPLE: + case UDT: + for (Object item : clist) { + Object newItem = transferObjectForJson(item, eleType); + result.add(newItem); + } + break; + + default: + throw new TypeNotSupported(); + } + + return result; + } + + static Set transferSetForJson(Set cset,DataType eleType) throws TypeNotSupported{ + Set result = new HashSet(); + switch (eleType.getName()) { + case ASCII: + case TEXT: + case VARCHAR: + case BOOLEAN: + case SMALLINT: + case TINYINT: + case INT: + case BIGINT: + case VARINT: + case FLOAT: + case DOUBLE: + case DECIMAL: + case TIME: + case UUID: + case TIMEUUID: + return cset; + + case BLOB: + case DATE: + case TIMESTAMP: + case DURATION: + case INET: + case LIST: + case MAP: + case SET: + case TUPLE: + case UDT: + for (Object item : cset) { + Object newItem = transferObjectForJson(item,eleType); + result.add(newItem); + } + break; + + default: + throw new TypeNotSupported(); + } + + return result; + } + + static Map transferMapForJson(Map cmap,DataType keyType,DataType valueType) throws TypeNotSupported { + Map newMap = new HashMap(); + for( Object e : cmap.entrySet() ) { + Object k = ((Map.Entry)e).getKey(); + Object v = ((Map.Entry)e).getValue(); + Object newKey = transferObjectForJson(k,keyType); + Object newValue = transferObjectForJson(v,valueType); + if( !(newKey instanceof String) ) { + newKey = JSON.toJSONString(newKey); + } + newMap.put(newKey,newValue); + } + return newMap; + } + + static List transferTupleForJson(TupleValue tupleValue,List componentTypes) throws TypeNotSupported { + List l = new ArrayList(); + for (int j = 0; j < componentTypes.size(); j++ ) { + DataType dataType = componentTypes.get(j); + TypeToken eltClass = registry.codecFor(dataType).getJavaType(); + Object ele = tupleValue.get(j,eltClass); + l.add(transferObjectForJson(ele,dataType)); + } + return l; + } + + static Map transferUDTForJson(UDTValue udtValue) throws TypeNotSupported { + Map newMap = new HashMap(); + int j = 0; + for (UserType.Field f : udtValue.getType()) { + DataType dataType = f.getType(); + TypeToken eltClass = registry.codecFor(dataType).getJavaType(); + Object ele = udtValue.get(j, eltClass); + newMap.put(f.getName(),transferObjectForJson(ele,dataType)); + j++; + } + return newMap; + } + + static Record buildRecord(Record record, Row rs, ColumnDefinitions metaData, int columnNumber, + TaskPluginCollector taskPluginCollector) { + + try { + for (int i = 0; i < columnNumber; i++) + try { + if (rs.isNull(i)) { + record.addColumn(new StringColumn()); + continue; + } + switch (metaData.getType(i).getName()) { + + case ASCII: + case TEXT: + case VARCHAR: + record.addColumn(new StringColumn(rs.getString(i))); + break; + + case BLOB: + record.addColumn(new BytesColumn(rs.getBytes(i).array())); + break; + + case BOOLEAN: + record.addColumn(new BoolColumn(rs.getBool(i))); + break; + + case SMALLINT: + record.addColumn(new LongColumn((int)rs.getShort(i))); + break; + + case TINYINT: + record.addColumn(new LongColumn((int)rs.getByte(i))); + break; + + case INT: + record.addColumn(new LongColumn(rs.getInt(i))); + break; + + case BIGINT: + record.addColumn(new LongColumn(rs.getLong(i))); + break; + + case VARINT: + record.addColumn(new LongColumn(rs.getVarint(i))); + break; + + case FLOAT: + record.addColumn(new DoubleColumn(rs.getFloat(i))); + break; + + case DOUBLE: + record.addColumn(new DoubleColumn(rs.getDouble(i))); + break; + + case DECIMAL: + record.addColumn(new DoubleColumn(rs.getDecimal(i))); + break; + + case DATE: + record.addColumn(new DateColumn(rs.getDate(i).getMillisSinceEpoch())); + break; + + case TIME: + record.addColumn(new LongColumn(rs.getTime(i))); + break; + + case TIMESTAMP: + record.addColumn(new DateColumn(rs.getTimestamp(i))); + break; + + case UUID: + case TIMEUUID: + record.addColumn(new StringColumn(rs.getUUID(i).toString())); + break; + + case INET: + record.addColumn(new StringColumn(rs.getInet(i).getHostAddress())); + break; + + case DURATION: + record.addColumn(new StringColumn(rs.get(i,Duration.class).toString())); + break; + + case LIST: { + TypeToken listEltClass = registry.codecFor(metaData.getType(i).getTypeArguments().get(0)).getJavaType(); + List l = rs.getList(i, listEltClass); + record.addColumn(new StringColumn(toJSonString(l,metaData.getType(i)))); + } + break; + + case MAP: { + DataType keyType = metaData.getType(i).getTypeArguments().get(0); + DataType valType = metaData.getType(i).getTypeArguments().get(1); + TypeToken keyEltClass = registry.codecFor(keyType).getJavaType(); + TypeToken valEltClass = registry.codecFor(valType).getJavaType(); + Map m = rs.getMap(i, keyEltClass, valEltClass); + record.addColumn(new StringColumn(toJSonString(m,metaData.getType(i)))); + } + break; + + case SET: { + TypeToken setEltClass = registry.codecFor(metaData.getType(i).getTypeArguments().get(0)) + .getJavaType(); + Set set = rs.getSet(i, setEltClass); + record.addColumn(new StringColumn(toJSonString(set,metaData.getType(i)))); + } + break; + + case TUPLE: { + TupleValue t = rs.getTupleValue(i); + record.addColumn(new StringColumn(toJSonString(t,metaData.getType(i)))); + } + break; + + case UDT: { + UDTValue t = rs.getUDTValue(i); + record.addColumn(new StringColumn(toJSonString(t,metaData.getType(i)))); + } + break; + + default: + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "您的配置文件中的列配置信息有误. 因为DataX 不支持数据库读取这种字段类型. 字段名:[%s], " + + "字段类型:[%s]. ", + metaData.getName(i), + metaData.getType(i))); + } + } catch (TypeNotSupported t) { + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "您的配置文件中的列配置信息有误. 因为DataX 不支持数据库读取这种字段类型. 字段名:[%s], " + + "字段类型:[%s]. ", + metaData.getName(i), + metaData.getType(i))); + + } + } catch (Exception e) { + //TODO 这里识别为脏数据靠谱吗？ + taskPluginCollector.collectDirtyRecord(record, e); + if (e instanceof DataXException) { + throw (DataXException) e; + } + return null; + } + return record; + } + + public static List splitJob(int adviceNumber,Configuration jobConfig,Cluster cluster) { + List splittedConfigs = new ArrayList(); + if( adviceNumber <= 1 ) { + splittedConfigs.add(jobConfig); + return splittedConfigs; + } + String where = jobConfig.getString(Key.WHERE); + if(where != null && where.toLowerCase().contains("token(")) { + splittedConfigs.add(jobConfig); + return splittedConfigs; + } + String partitioner = cluster.getMetadata().getPartitioner(); + if( partitioner.endsWith("RandomPartitioner")) { + BigDecimal minToken = BigDecimal.valueOf(-1); + BigDecimal maxToken = new BigDecimal(new BigInteger("2").pow(127)); + BigDecimal step = maxToken.subtract(minToken) + .divide(BigDecimal.valueOf(adviceNumber),2, BigDecimal.ROUND_HALF_EVEN); + for ( int i = 0; i < adviceNumber; i++ ) { + BigInteger l = minToken.add(step.multiply(BigDecimal.valueOf(i))).toBigInteger(); + BigInteger r = minToken.add(step.multiply(BigDecimal.valueOf(i+1))).toBigInteger(); + if( i == adviceNumber - 1 ) { + r = maxToken.toBigInteger(); + } + Configuration taskConfig = jobConfig.clone(); + taskConfig.set(Key.MIN_TOKEN,l.toString()); + taskConfig.set(Key.MAX_TOKEN,r.toString()); + splittedConfigs.add(taskConfig); + } + } + else if( partitioner.endsWith("Murmur3Partitioner") ) { + BigDecimal minToken = BigDecimal.valueOf(Long.MIN_VALUE); + BigDecimal maxToken = BigDecimal.valueOf(Long.MAX_VALUE); + BigDecimal step = maxToken.subtract(minToken) + .divide(BigDecimal.valueOf(adviceNumber),2, BigDecimal.ROUND_HALF_EVEN); + for ( int i = 0; i < adviceNumber; i++ ) { + long l = minToken.add(step.multiply(BigDecimal.valueOf(i))).longValue(); + long r = minToken.add(step.multiply(BigDecimal.valueOf(i+1))).longValue(); + if( i == adviceNumber - 1 ) { + r = maxToken.longValue(); + } + Configuration taskConfig = jobConfig.clone(); + taskConfig.set(Key.MIN_TOKEN,String.valueOf(l)); + taskConfig.set(Key.MAX_TOKEN,String.valueOf(r)); + splittedConfigs.add(taskConfig); + } + } + else { + splittedConfigs.add(jobConfig); + } + return splittedConfigs; + } + + public static String getQueryString(Configuration taskConfig,Cluster cluster) { + List columnMeta = taskConfig.getList(Key.COLUMN,String.class); + String keyspace = taskConfig.getString(Key.KEYSPACE); + String table = taskConfig.getString(Key.TABLE); + + StringBuilder columns = new StringBuilder(); + for( String column : columnMeta ) { + if(columns.length() > 0 ) { + columns.append(","); + } + columns.append(column); + } + + StringBuilder where = new StringBuilder(); + String whereString = taskConfig.getString(Key.WHERE); + if( whereString != null && !whereString.isEmpty() ) { + where.append(whereString); + } + String minToken = taskConfig.getString(Key.MIN_TOKEN); + String maxToken = taskConfig.getString(Key.MAX_TOKEN); + if( minToken !=null || maxToken !=null ) { + LOG.info("range:" + minToken + "~" + maxToken); + List pks = cluster.getMetadata().getKeyspace(keyspace).getTable(table).getPartitionKey(); + StringBuilder sb = new StringBuilder(); + for( ColumnMetadata pk : pks ) { + if( sb.length() > 0 ) { + sb.append(","); + } + sb.append(pk.getName()); + } + String s = sb.toString(); + if (minToken != null && !minToken.isEmpty()) { + if( where.length() > 0 ){ + where.append(" AND "); + } + where.append("token(").append(s).append(")").append(" > ").append(minToken); + } + if (maxToken != null && !maxToken.isEmpty()) { + if( where.length() > 0 ){ + where.append(" AND "); + } + where.append("token(").append(s).append(")").append(" <= ").append(maxToken); + } + } + + boolean allowFiltering = taskConfig.getBool(Key.ALLOW_FILTERING,false); + + StringBuilder select = new StringBuilder(); + select.append("SELECT ").append(columns.toString()).append(" FROM ").append(table); + if( where.length() > 0 ){ + select.append(" where ").append(where.toString()); + } + if( allowFiltering ) { + select.append(" ALLOW FILTERING"); + } + select.append(";"); + return select.toString(); + } + + public static void checkConfig(Configuration jobConfig,Cluster cluster) { + ensureStringExists(jobConfig,Key.HOST); + ensureStringExists(jobConfig,Key.KEYSPACE); + ensureStringExists(jobConfig,Key.TABLE); + ensureExists(jobConfig,Key.COLUMN); + + ///keyspace,table是否存在 + String keyspace = jobConfig.getString(Key.KEYSPACE); + if( cluster.getMetadata().getKeyspace(keyspace) == null ) { + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "配置信息有错误.keyspace'%s'不存在 .", + keyspace)); + } + String table = jobConfig.getString(Key.TABLE); + TableMetadata tableMetadata = cluster.getMetadata().getKeyspace(keyspace).getTable(table); + if( tableMetadata == null ) { + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "配置信息有错误.表'%s'不存在 .", + table)); + } + List columns = jobConfig.getList(Key.COLUMN,String.class); + for( String name : columns ) { + if( name == null || name.isEmpty() ) { + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "配置信息有错误.列信息中需要包含'%s'字段 .",Key.COLUMN_NAME)); + } + if( name.startsWith(Key.WRITE_TIME) ) { + String colName = name.substring(Key.WRITE_TIME.length(),name.length() - 1 ); + ColumnMetadata col = tableMetadata.getColumn(colName); + if( col == null ) { + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "配置信息有错误.列'%s'不存在 .",colName)); + } + } else { + ColumnMetadata col = tableMetadata.getColumn(name); + if( col == null ) { + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "配置信息有错误.列'%s'不存在 .",name)); + } + } + } + } + + static void ensureExists(Configuration jobConfig,String keyword) { + if( jobConfig.get(keyword) == null ) { + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "配置信息有错误.参数'%s'为必填项 .", + keyword)); + } + } + + static void ensureStringExists(Configuration jobConfig,String keyword) { + ensureExists(jobConfig,keyword); + if( jobConfig.getString(keyword).isEmpty() ) { + throw DataXException + .asDataXException( + CassandraReaderErrorCode.CONF_ERROR, + String.format( + "配置信息有错误.参数'%s'不能为空 .", + keyword)); + } + } + +} diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/Key.java b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/Key.java new file mode 100644 index 0000000..73a9fad --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/Key.java @@ -0,0 +1,39 @@ +package com.alibaba.datax.plugin.reader.cassandrareader; + +/** + * Created by mazhenlin on 2019/8/19. + */ +public class Key { + public final static String USERNAME = "username"; + public final static String PASSWORD = "password"; + + public final static String HOST = "host"; + public final static String PORT = "port"; + public final static String USESSL = "useSSL"; + + public final static String KEYSPACE = "keyspace"; + public final static String TABLE = "table"; + public final static String COLUMN = "column"; + public final static String WHERE = "where"; + public final static String ALLOW_FILTERING = "allowFiltering"; + public final static String CONSITANCY_LEVEL = "consistancyLevel"; + public final static String MIN_TOKEN = "minToken"; + public final static String MAX_TOKEN = "maxToken"; + + /** + * 每个列的名字 + */ + public static final String COLUMN_NAME = "name"; + /** + * 列分隔符 + */ + public static final String COLUMN_SPLITTER = "format"; + public static final String WRITE_TIME = "writetime("; + public static final String ELEMENT_SPLITTER = "splitter"; + public static final String ENTRY_SPLITTER = "entrySplitter"; + public static final String KV_SPLITTER = "kvSplitter"; + public static final String ELEMENT_CONFIG = "element"; + public static final String TUPLE_CONNECTOR = "_"; + public static final String KEY_CONFIG = "key"; + public static final String VALUE_CONFIG = "value"; +} diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings.properties b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings.properties new file mode 100644 index 0000000..7f4cb92 --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings.properties @@ -0,0 +1 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF \ No newline at end of file diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_en_US.properties b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_en_US.properties new file mode 100644 index 0000000..e69de29 diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_ja_JP.properties b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_ja_JP.properties new file mode 100644 index 0000000..7f4cb92 --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_ja_JP.properties @@ -0,0 +1 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF \ No newline at end of file diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_CN.properties b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_CN.properties new file mode 100644 index 0000000..7f4cb92 --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_CN.properties @@ -0,0 +1 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF \ No newline at end of file diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_HK.properties b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_HK.properties new file mode 100644 index 0000000..7f4cb92 --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_HK.properties @@ -0,0 +1 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF \ No newline at end of file diff --git a/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_TW.properties b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_TW.properties new file mode 100644 index 0000000..7f4cb92 --- /dev/null +++ b/cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/LocalStrings_zh_TW.properties @@ -0,0 +1 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF \ No newline at end of file diff --git a/cassandrareader/src/main/resources/plugin.json b/cassandrareader/src/main/resources/plugin.json new file mode 100644 index 0000000..fec21db --- /dev/null +++ b/cassandrareader/src/main/resources/plugin.json @@ -0,0 +1,6 @@ +{ + "name": "cassandrareader", + "class": "com.alibaba.datax.plugin.reader.cassandrareader.CassandraReader", + "description": "useScene: prod. mechanism: execute select cql, retrieve data from the ResultSet. warn: The more you know about the database, the less problems you encounter.", + "developer": "alibaba" +} \ No newline at end of file diff --git a/cassandrareader/src/main/resources/plugin_job_template.json b/cassandrareader/src/main/resources/plugin_job_template.json new file mode 100644 index 0000000..a49176a --- /dev/null +++ b/cassandrareader/src/main/resources/plugin_job_template.json @@ -0,0 +1,15 @@ +{ + "name": "cassandrareader", + "parameter": { + "username": "", + "password": "", + "host": "", + "port": "", + "useSSL": false, + "keyspace": "", + "table": "", + "column": [ + "c1","c2","c3" + ] + } +} \ No newline at end of file diff --git a/cassandrawriter/doc/cassandrawriter.md b/cassandrawriter/doc/cassandrawriter.md new file mode 100644 index 0000000..ca99d2a --- /dev/null +++ b/cassandrawriter/doc/cassandrawriter.md @@ -0,0 +1,227 @@ + +# CassandraWriter 插件文档 + + +___ + + + +## 1 快速介绍 + +CassandraWriter插件实现了向Cassandra写入数据。在底层实现上，CassandraWriter通过datastax的java driver连接Cassandra实例，并执行相应的cql语句将数据写入cassandra中。 + + +## 2 实现原理 + +简而言之，CassandraWriter通过java driver连接到Cassandra实例，并根据用户配置的信息生成INSERT CQL语句，然后发送到Cassandra。 + +对于用户配置Table、Column的信息，CassandraReader将其拼接为CQL语句发送到Cassandra。 + + +## 3 功能说明 + +### 3.1 配置样例 + +* 配置一个从内存产生到Cassandra导入的作业: + +``` +{ + "job": { + "setting": { + "speed": { + "channel": 5 + } + }, + "content": [ + { + "reader": { + "name": "streamreader", + "parameter": { + "column": [ + {"value":"name","type": "string"}, + {"value":"false","type":"bool"}, + {"value":"1988-08-08 08:08:08","type":"date"}, + {"value":"addr","type":"bytes"}, + {"value":1.234,"type":"double"}, + {"value":12345678,"type":"long"}, + {"value":2.345,"type":"double"}, + {"value":3456789,"type":"long"}, + {"value":"4a0ef8c0-4d97-11d0-db82-ebecdb03ffa5","type":"string"}, + {"value":"value","type":"bytes"}, + {"value":"-838383838,37377373,-383883838,27272772,393993939,-38383883,83883838,-1350403181,817650816,1630642337,251398784,-622020148","type":"string"}, + ], + "sliceRecordCount": 10000000 + } + }, + "writer": { + "name": "cassandrawriter", + "parameter": { + "host": "localhost", + "port": 9042, + "useSSL": false, + "keyspace": "stresscql", + "table": "dst", + "batchSize":10, + "column": [ + "name", + "choice", + "date", + "address", + "dbl", + "lval", + "fval", + "ival", + "uid", + "value", + "listval" + ] + } + } + } + ] + } +} +``` + + +### 3.2 参数说明 + +* **host** + + * 描述：Cassandra连接点的域名或ip，多个node之间用逗号分隔。
+ + * 必选：是
+ + * 默认值：无
+ +* **port** + + * 描述：Cassandra端口。
+ + * 必选：是
+ + * 默认值：9042
+ +* **username** + + * 描述：数据源的用户名
+ + * 必选：否
+ + * 默认值：无
+ +* **password** + + * 描述：数据源指定用户名的密码
+ + * 必选：否
+ + * 默认值：无
+ +* **useSSL** + + * 描述：是否使用SSL连接。
+ + * 必选：否
+ + * 默认值：false
+ +* **connectionsPerHost** + + * 描述：客户端连接池配置：与服务器每个节点建多少个连接。
+ + * 必选：否
+ + * 默认值：8
+ +* **maxPendingPerConnection** + + * 描述：客户端连接池配置：每个连接最大请求数。
+ + * 必选：否
+ + * 默认值：128
+ +* **keyspace** + + * 描述：需要同步的表所在的keyspace。
+ + * 必选：是
+ + * 默认值：无
+ +* **table** + + * 描述：所选取的需要同步的表。
+ + * 必选：是
+ + * 默认值：无
+ +* **column** + + * 描述：所配置的表中需要同步的列集合。
+ 内容可以是列的名称或"writetime()"。如果将列名配置为writetime()，会将这一列的内容作为时间戳。 + + * 必选：是
+ + * 默认值：无
+ + +* **consistancyLevel** + + * 描述：数据一致性级别。可选ONE|QUORUM|LOCAL_QUORUM|EACH_QUORUM|ALL|ANY|TWO|THREE|LOCAL_ONE
+ + * 必选：否
+ + * 默认值：LOCAL_QUORUM
+ +* **batchSize** + + * 描述：一次批量提交(UNLOGGED BATCH)的记录数大小（条数）。注意batch的大小有如下限制：
+ （1）不能超过65535。
+ (2) batch中的内容大小受到服务器端batch_size_fail_threshold_in_kb的限制。
+ (3) 如果batch中的内容超过了batch_size_warn_threshold_in_kb的限制，会打出warn日志，但并不影响写入，忽略即可。
+ 如果批量提交失败，会把这个批量的所有内容重新逐条写入一遍。 + + * 必选：否
+ + * 默认值：1
+ + +### 3.3 类型转换 + +目前CassandraReader支持除counter和Custom类型之外的所有类型。 + +下面列出CassandraReader针对Cassandra类型转换列表: + + +| DataX 内部类型| Cassandra 数据类型 | +| -------- | ----- | +| Long |int, tinyint, smallint,varint,bigint,time| +| Double |float, double, decimal| +| String |ascii,varchar, text,uuid,timeuuid,duration,list,map,set,tuple,udt,inet | +| Date |date, timestamp | +| Boolean |bool | +| Bytes |blob | + + + +请注意: + +* 目前不支持counter类型和custom类型。 + +## 4 性能报告 + +略 + +## 5 约束限制 + +### 5.1 主备同步数据恢复问题 + +略 + +## 6 FAQ + + + diff --git a/cassandrawriter/pom.xml b/cassandrawriter/pom.xml new file mode 100644 index 0000000..01dfa62 --- /dev/null +++ b/cassandrawriter/pom.xml @@ -0,0 +1,125 @@ + + + + datax-all + com.alibaba.datax + 0.0.1-SNAPSHOT + + 4.0.0 + + cassandrawriter + cassandrawriter + 0.0.1-SNAPSHOT + jar + + + + + + + com.alibaba.datax + datax-common + ${datax-project-version} + + + slf4j-log4j12 + org.slf4j + + + + + com.datastax.cassandra + cassandra-driver-core + 3.7.2 + + + commons-codec + commons-codec + 1.9 + + + + + junit + junit + test + + + com.alibaba.datax + datax-core + ${datax-project-version} + + + com.alibaba.datax + datax-service-face + + + org.apache.hadoop + hadoop-common + + + org.apache.hive + hive-exec + + + org.apache.hive + hive-serde + + + javolution + javolution + + + test + + + org.mockito + mockito-all + 1.9.5 + test + + + + + + + src/main/java + + **/*.properties + + + + + + + maven-compiler-plugin + + 1.6 + 1.6 + ${project-sourceEncoding} + + + + maven-assembly-plugin + + + src/main/assembly/package.xml + + datax + + + + dwzip + package + + single + + + + + + + + \ No newline at end of file diff --git a/cassandrawriter/src/main/assembly/package.xml b/cassandrawriter/src/main/assembly/package.xml new file mode 100644 index 0000000..b5706ab --- /dev/null +++ b/cassandrawriter/src/main/assembly/package.xml @@ -0,0 +1,35 @@ + + + + dir + + false + + + src/main/resources + + plugin.json + plugin_job_template.json + + plugin/writer/cassandrawriter + + + target/ + + cassandrawriter-0.0.1-SNAPSHOT.jar + + plugin/writer/cassandrawriter + + + + + + false + plugin/writer/cassandrawriter/libs + runtime + + + diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriter.java b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriter.java new file mode 100644 index 0000000..3427ed1 --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriter.java @@ -0,0 +1,242 @@ +package com.alibaba.datax.plugin.writer.cassandrawriter; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.TimeUnit; + +import com.alibaba.datax.common.element.Column; +import com.alibaba.datax.common.element.Record; +import com.alibaba.datax.common.exception.DataXException; +import com.alibaba.datax.common.plugin.RecordReceiver; +import com.alibaba.datax.common.spi.Writer; +import com.alibaba.datax.common.util.Configuration; + +import com.datastax.driver.core.BatchStatement; +import com.datastax.driver.core.BatchStatement.Type; +import com.datastax.driver.core.BoundStatement; +import com.datastax.driver.core.Cluster; +import com.datastax.driver.core.ColumnMetadata; +import com.datastax.driver.core.ConsistencyLevel; +import com.datastax.driver.core.DataType; +import com.datastax.driver.core.HostDistance; +import com.datastax.driver.core.PoolingOptions; +import com.datastax.driver.core.PreparedStatement; +import com.datastax.driver.core.ResultSetFuture; +import com.datastax.driver.core.Session; +import com.datastax.driver.core.TableMetadata; +import com.datastax.driver.core.querybuilder.Insert; +import com.datastax.driver.core.querybuilder.QueryBuilder; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static com.datastax.driver.core.querybuilder.QueryBuilder.timestamp; + +/** + * Created by mazhenlin on 2019/8/19. + */ +public class CassandraWriter extends Writer { + private static final Logger LOG = LoggerFactory + .getLogger(CassandraWriter.class); + public static class Job extends Writer.Job { + private Configuration originalConfig = null; + + @Override public List split(int mandatoryNumber) { + List splitResultConfigs = new ArrayList(); + for (int j = 0; j < mandatoryNumber; j++) { + splitResultConfigs.add(originalConfig.clone()); + } + return splitResultConfigs; + + } + + @Override public void init() { + originalConfig = getPluginJobConf(); + } + + @Override public void destroy() { + + } + } + + public static class Task extends Writer.Task { + private Configuration taskConfig; + private Cluster cluster = null; + private Session session = null; + private PreparedStatement statement = null; + private int columnNumber = 0; + private List columnTypes; + private List columnMeta = null; + private int writeTimeCol = -1; + private boolean asyncWrite = false; + private long batchSize = 1; + private List unConfirmedWrite; + private List bufferedWrite; + + @Override public void startWrite(RecordReceiver lineReceiver) { + try { + Record record; + while ((record = lineReceiver.getFromReader()) != null) { + if (record.getColumnNumber() != columnNumber) { + // 源头读取字段列数与目的表字段写入列数不相等，直接报错 + throw DataXException + .asDataXException( + CassandraWriterErrorCode.CONF_ERROR, + String.format( + "列配置信息有错误. 因为您配置的任务中，源头读取字段数:%s 与 目的表要写入的字段数:%s 不相等. 请检查您的配置并作出修改.", + record.getColumnNumber(), + this.columnNumber)); + } + + BoundStatement boundStmt = statement.bind(); + for (int i = 0; i < columnNumber; i++) { + if( writeTimeCol != -1 && i == writeTimeCol ) { + continue; + } + Column col = record.getColumn(i); + int pos = i; + if( writeTimeCol != -1 && pos > writeTimeCol ) { + pos = i - 1; + } + CassandraWriterHelper.setupColumn(boundStmt,pos,columnTypes.get(pos),col); + } + if(writeTimeCol != -1) { + Column col = record.getColumn(writeTimeCol ); + boundStmt.setLong(columnNumber - 1,col.asLong()); + } + if( batchSize <= 1 ) { + session.execute(boundStmt); + } else { + if( asyncWrite ) { + unConfirmedWrite.add(session.executeAsync(boundStmt)); + if (unConfirmedWrite.size() >= batchSize) { + for (ResultSetFuture write : unConfirmedWrite) { + write.getUninterruptibly(10000, TimeUnit.MILLISECONDS); + } + unConfirmedWrite.clear(); + } + } else { + bufferedWrite.add(boundStmt); + if( bufferedWrite.size() >= batchSize ) { + BatchStatement batchStatement = new BatchStatement(Type.UNLOGGED); + batchStatement.addAll(bufferedWrite); + try { + session.execute(batchStatement); + } catch (Exception e ) { + LOG.error("batch写入失败，尝试逐条写入.",e); + for( BoundStatement stmt: bufferedWrite ) { + session.execute(stmt); + } + } + ///LOG.info("batch finished. size = " + bufferedWrite.size()); + bufferedWrite.clear(); + } + } + } + + } + if( unConfirmedWrite != null && unConfirmedWrite.size() > 0 ) { + for( ResultSetFuture write : unConfirmedWrite ) { + write.getUninterruptibly(10000, TimeUnit.MILLISECONDS); + } + unConfirmedWrite.clear(); + } + if( bufferedWrite !=null && bufferedWrite.size() > 0 ) { + BatchStatement batchStatement = new BatchStatement(Type.UNLOGGED); + batchStatement.addAll(bufferedWrite); + session.execute(batchStatement); + bufferedWrite.clear(); + } + } catch (Exception e) { + throw DataXException.asDataXException( + CassandraWriterErrorCode.WRITE_DATA_ERROR, e); + } + } + + + @Override public void init() { + this.taskConfig = super.getPluginJobConf(); + String username = taskConfig.getString(Key.USERNAME); + String password = taskConfig.getString(Key.PASSWORD); + String hosts = taskConfig.getString(Key.HOST); + Integer port = taskConfig.getInt(Key.PORT,9042); + boolean useSSL = taskConfig.getBool(Key.USESSL); + String keyspace = taskConfig.getString(Key.KEYSPACE); + String table = taskConfig.getString(Key.TABLE); + batchSize = taskConfig.getLong(Key.BATCH_SIZE,1); + this.columnMeta = taskConfig.getList(Key.COLUMN,String.class); + columnTypes = new ArrayList(columnMeta.size()); + columnNumber = columnMeta.size(); + asyncWrite = taskConfig.getBool(Key.ASYNC_WRITE,false); + + int connectionsPerHost = taskConfig.getInt(Key.CONNECTIONS_PER_HOST,8); + int maxPendingPerConnection = taskConfig.getInt(Key.MAX_PENDING_CONNECTION,128); + PoolingOptions poolingOpts = new PoolingOptions() + .setConnectionsPerHost(HostDistance.LOCAL, connectionsPerHost, connectionsPerHost) + .setMaxRequestsPerConnection(HostDistance.LOCAL, maxPendingPerConnection) + .setNewConnectionThreshold(HostDistance.LOCAL, 100); + Cluster.Builder clusterBuilder = Cluster.builder().withPoolingOptions(poolingOpts); + if ((username != null) && !username.isEmpty()) { + clusterBuilder = clusterBuilder.withCredentials(username, password) + .withPort(Integer.valueOf(port)).addContactPoints(hosts.split(",")); + if (useSSL) { + clusterBuilder = clusterBuilder.withSSL(); + } + } else { + clusterBuilder = clusterBuilder.withPort(Integer.valueOf(port)) + .addContactPoints(hosts.split(",")); + } + cluster = clusterBuilder.build(); + session = cluster.connect(keyspace); + TableMetadata meta = cluster.getMetadata().getKeyspace(keyspace).getTable(table); + + Insert insertStmt = QueryBuilder.insertInto(table); + for( String colunmnName : columnMeta ) { + if( colunmnName.toLowerCase().equals(Key.WRITE_TIME) ) { + if( writeTimeCol != -1 ) { + throw DataXException + .asDataXException( + CassandraWriterErrorCode.CONF_ERROR, + "列配置信息有错误. 只能有一个时间戳列(writetime())"); + } + writeTimeCol = columnTypes.size(); + continue; + } + insertStmt.value(colunmnName,QueryBuilder.bindMarker()); + ColumnMetadata col = meta.getColumn(colunmnName); + if( col == null ) { + throw DataXException + .asDataXException( + CassandraWriterErrorCode.CONF_ERROR, + String.format( + "列配置信息有错误. 表中未找到列名 '%s' .", + colunmnName)); + } + columnTypes.add(col.getType()); + } + if(writeTimeCol != -1) { + insertStmt.using(timestamp(QueryBuilder.bindMarker())); + } + String cl = taskConfig.getString(Key.CONSITANCY_LEVEL); + if( cl != null && !cl.isEmpty() ) { + insertStmt.setConsistencyLevel(ConsistencyLevel.valueOf(cl)); + } else { + insertStmt.setConsistencyLevel(ConsistencyLevel.LOCAL_QUORUM); + } + + statement = session.prepare(insertStmt); + + if( batchSize > 1 ) { + if( asyncWrite ) { + unConfirmedWrite = new ArrayList(); + } else { + bufferedWrite = new ArrayList(); + } + } + + } + + @Override public void destroy() { + + } + } +} diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriterErrorCode.java b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriterErrorCode.java new file mode 100644 index 0000000..dd31c7a --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriterErrorCode.java @@ -0,0 +1,35 @@ +package com.alibaba.datax.plugin.writer.cassandrawriter; + +import com.alibaba.datax.common.spi.ErrorCode; + +/** + * Created by mazhenlin on 2019/8/19. + */ +public enum CassandraWriterErrorCode implements ErrorCode { + CONF_ERROR("CassandraWriter-00", "配置错误."), + WRITE_DATA_ERROR("CassandraWriter-01", "写入数据时失败."), + ; + + private final String code; + private final String description; + + private CassandraWriterErrorCode(String code, String description) { + this.code = code; + this.description = description; + } + + @Override + public String getCode() { + return this.code; + } + + @Override + public String getDescription() { + return this.description; + } + + @Override + public String toString() { + return String.format("Code:[%s], Description:[%s].", this.code, this.description); + } +} diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriterHelper.java b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriterHelper.java new file mode 100644 index 0000000..b68af28 --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/CassandraWriterHelper.java @@ -0,0 +1,351 @@ +package com.alibaba.datax.plugin.writer.cassandrawriter; + +import java.math.BigDecimal; +import java.math.BigInteger; +import java.net.InetAddress; +import java.nio.ByteBuffer; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Date; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.UUID; + +import com.alibaba.datax.common.element.Column; +import com.alibaba.datax.common.exception.DataXException; +import com.alibaba.fastjson.JSON; +import com.alibaba.fastjson.JSONArray; +import com.alibaba.fastjson.JSONException; +import com.alibaba.fastjson.JSONObject; + +import com.datastax.driver.core.BoundStatement; +import com.datastax.driver.core.CodecRegistry; +import com.datastax.driver.core.DataType; +import com.datastax.driver.core.DataType.Name; +import com.datastax.driver.core.Duration; +import com.datastax.driver.core.LocalDate; +import com.datastax.driver.core.TupleType; +import com.datastax.driver.core.TupleValue; +import com.datastax.driver.core.UDTValue; +import com.datastax.driver.core.UserType; +import com.datastax.driver.core.UserType.Field; +import com.google.common.base.Splitter; +import org.apache.commons.codec.binary.Base64; + +/** + * Created by mazhenlin on 2019/8/21. + */ +public class CassandraWriterHelper { + static CodecRegistry registry = new CodecRegistry(); + + public static Object parseFromString(String s, DataType sqlType ) throws Exception { + if (s == null || s.isEmpty()) { + if (sqlType.getName() == Name.ASCII || sqlType.getName() == Name.TEXT || + sqlType.getName() == Name.VARCHAR) { + return s; + } else { + return null; + } + } + switch (sqlType.getName()) { + case ASCII: + case TEXT: + case VARCHAR: + return s; + + case BLOB: + if (s.length() == 0) { + return new byte[0]; + } + byte[] byteArray = new byte[s.length() / 2]; + for (int i = 0; i < byteArray.length; i++) { + String subStr = s.substring(2 * i, 2 * i + 2); + byteArray[i] = ((byte) Integer.parseInt(subStr, 16)); + } + return ByteBuffer.wrap(byteArray); + + case BOOLEAN: + return Boolean.valueOf(s); + + case TINYINT: + return Byte.valueOf(s); + + case SMALLINT: + return Short.valueOf(s); + + case INT: + return Integer.valueOf(s); + + case BIGINT: + return Long.valueOf(s); + + case VARINT: + return new BigInteger(s, 10); + + case FLOAT: + return Float.valueOf(s); + + case DOUBLE: + return Double.valueOf(s); + + case DECIMAL: + return new BigDecimal(s); + + case DATE: { + String[] a = s.split("-"); + if (a.length != 3) { + throw new Exception(String.format("DATE类型数据 '%s' 格式不正确，必须为yyyy-mm-dd格式", s)); + } + return LocalDate.fromYearMonthDay(Integer.valueOf(a[0]), Integer.valueOf(a[1]), + Integer.valueOf(a[2])); + } + + case TIME: + return Long.valueOf(s); + + case TIMESTAMP: + return new Date(Long.valueOf(s)); + + case UUID: + case TIMEUUID: + return UUID.fromString(s); + + case INET: + String[] b = s.split("/"); + if (b.length < 2) { + return InetAddress.getByName(s); + } + byte[] addr = InetAddress.getByName(b[1]).getAddress(); + return InetAddress.getByAddress(b[0], addr); + + case DURATION: + return Duration.from(s); + + case LIST: + case MAP: + case SET: + case TUPLE: + case UDT: + Object jsonObject = JSON.parse(s); + return parseFromJson(jsonObject,sqlType); + + default: + throw DataXException.asDataXException(CassandraWriterErrorCode.CONF_ERROR, + "不支持您配置的列类型:" + sqlType + ", 请检查您的配置 或者 联系 管理员."); + + } // end switch + + } + + public static Object parseFromJson(Object jsonObject,DataType type) throws Exception { + if( jsonObject == null ) return null; + switch (type.getName()) { + case ASCII: + case TEXT: + case VARCHAR: + case BOOLEAN: + case TIME: + return jsonObject; + + case TINYINT: + return ((Number)jsonObject).byteValue(); + + case SMALLINT: + return ((Number)jsonObject).shortValue(); + + case INT: + return ((Number)jsonObject).intValue(); + + case BIGINT: + return ((Number)jsonObject).longValue(); + + case VARINT: + return new BigInteger(jsonObject.toString()); + + case FLOAT: + return ((Number)jsonObject).floatValue(); + + case DOUBLE: + return ((Number)jsonObject).doubleValue(); + + case DECIMAL: + return new BigDecimal(jsonObject.toString()); + + case BLOB: + return ByteBuffer.wrap(Base64.decodeBase64((String)jsonObject)); + + case DATE: + return LocalDate.fromMillisSinceEpoch(((Number)jsonObject).longValue()); + + case TIMESTAMP: + return new Date(((Number)jsonObject).longValue()); + + case DURATION: + return Duration.from(jsonObject.toString()); + + case UUID: + case TIMEUUID: + return UUID.fromString(jsonObject.toString()); + + case INET: + return InetAddress.getByName((String)jsonObject); + + case LIST: + List l = new ArrayList(); + for( Object o : (JSONArray)jsonObject ) { + l.add(parseFromJson(o,type.getTypeArguments().get(0))); + } + return l; + + case MAP: { + Map m = new HashMap(); + for (JSONObject.Entry e : ((JSONObject)jsonObject).entrySet()) { + Object k = parseFromString((String) e.getKey(), type.getTypeArguments().get(0)); + Object v = parseFromJson(e.getValue(), type.getTypeArguments().get(1)); + m.put(k,v); + } + return m; + } + + case SET: + Set s = new HashSet(); + for( Object o : (JSONArray)jsonObject ) { + s.add(parseFromJson(o,type.getTypeArguments().get(0))); + } + return s; + + case TUPLE: { + TupleValue t = ((TupleType) type).newValue(); + int j = 0; + for (Object e : (JSONArray)jsonObject) { + DataType eleType = ((TupleType) type).getComponentTypes().get(j); + t.set(j, parseFromJson(e, eleType), registry.codecFor(eleType).getJavaType()); + j++; + } + return t; + } + + case UDT: { + UDTValue t = ((UserType) type).newValue(); + UserType userType = t.getType(); + for (JSONObject.Entry e : ((JSONObject)jsonObject).entrySet()) { + DataType eleType = userType.getFieldType((String)e.getKey()); + t.set((String)e.getKey(), parseFromJson(e.getValue(), eleType), registry.codecFor(eleType).getJavaType()); + } + return t; + } + + } + return null; + } + + public static void setupColumn(BoundStatement ps, int pos, DataType sqlType, Column col) throws Exception { + if (col.getRawData() != null) { + switch (sqlType.getName()) { + case ASCII: + case TEXT: + case VARCHAR: + ps.setString(pos, col.asString()); + break; + + case BLOB: + ps.setBytes(pos, ByteBuffer.wrap(col.asBytes())); + break; + + case BOOLEAN: + ps.setBool(pos, col.asBoolean()); + break; + + case TINYINT: + ps.setByte(pos, col.asLong().byteValue()); + break; + + case SMALLINT: + ps.setShort(pos, col.asLong().shortValue()); + break; + + case INT: + ps.setInt(pos, col.asLong().intValue()); + break; + + case BIGINT: + ps.setLong(pos, col.asLong()); + break; + + case VARINT: + ps.setVarint(pos, col.asBigInteger()); + break; + + case FLOAT: + ps.setFloat(pos, col.asDouble().floatValue()); + break; + + case DOUBLE: + ps.setDouble(pos, col.asDouble()); + break; + + case DECIMAL: + ps.setDecimal(pos, col.asBigDecimal()); + break; + + case DATE: + ps.setDate(pos, LocalDate.fromMillisSinceEpoch(col.asDate().getTime())); + break; + + case TIME: + ps.setTime(pos, col.asLong()); + break; + + case TIMESTAMP: + ps.setTimestamp(pos, col.asDate()); + break; + + case UUID: + case TIMEUUID: + ps.setUUID(pos, UUID.fromString(col.asString())); + break; + + case INET: + ps.setInet(pos, InetAddress.getByName(col.asString())); + break; + + case DURATION: + ps.set(pos, Duration.from(col.asString()), Duration.class); + break; + + case LIST: + ps.setList(pos, (List) parseFromString(col.asString(), sqlType)); + break; + + case MAP: + ps.setMap(pos, (Map) parseFromString(col.asString(), sqlType)); + break; + + case SET: + ps.setSet(pos, (Set) parseFromString(col.asString(), sqlType)); + break; + + case TUPLE: + ps.setTupleValue(pos, (TupleValue) parseFromString(col.asString(), sqlType)); + break; + + case UDT: + ps.setUDTValue(pos, (UDTValue) parseFromString(col.asString(), sqlType)); + break; + + default: + throw DataXException.asDataXException(CassandraWriterErrorCode.CONF_ERROR, + "不支持您配置的列类型:" + sqlType + ", 请检查您的配置 或者 联系 管理员."); + + } // end switch + } else { + ps.setToNull(pos); + } + } + +} diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/Key.java b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/Key.java new file mode 100644 index 0000000..755103a --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/Key.java @@ -0,0 +1,43 @@ +package com.alibaba.datax.plugin.writer.cassandrawriter; + +/** + * Created by mazhenlin on 2019/8/19. + */ +public class Key { + public final static String USERNAME = "username"; + public final static String PASSWORD = "password"; + + public final static String HOST = "host"; + public final static String PORT = "port"; + public final static String USESSL = "useSSL"; + + public final static String KEYSPACE = "keyspace"; + public final static String TABLE = "table"; + public final static String COLUMN = "column"; + public final static String WRITE_TIME = "writetime()"; + public final static String ASYNC_WRITE = "asyncWrite"; + public final static String CONSITANCY_LEVEL = "consistancyLevel"; + public final static String CONNECTIONS_PER_HOST = "connectionsPerHost"; + public final static String MAX_PENDING_CONNECTION = "maxPendingPerConnection"; + /** + * 异步写入的批次大小，默认1（不异步写入） + */ + public final static String BATCH_SIZE = "batchSize"; + + /** + * 每个列的名字 + */ + public static final String COLUMN_NAME = "name"; + /** + * 列分隔符 + */ + public static final String COLUMN_SPLITTER = "format"; + public static final String ELEMENT_SPLITTER = "splitter"; + public static final String ENTRY_SPLITTER = "entrySplitter"; + public static final String KV_SPLITTER = "kvSplitter"; + public static final String ELEMENT_CONFIG = "element"; + public static final String TUPLE_CONNECTOR = "_"; + public static final String KEY_CONFIG = "key"; + public static final String VALUE_CONFIG = "value"; + +} diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings.properties b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings.properties new file mode 100644 index 0000000..607dd2e --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings.properties @@ -0,0 +1,2 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF. +errorcode.write_failed_exception=\u5199\u5165\u6570\u636E\u65F6\u5931\u8D25 \ No newline at end of file diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_en_US.properties b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_en_US.properties new file mode 100644 index 0000000..4116518 --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_en_US.properties @@ -0,0 +1,2 @@ +errorcode.config_invalid_exception=Error in parameter configuration. +errorcode.write_failed_exception=\u5199\u5165\u6570\u636E\u65F6\u5931\u8D25 \ No newline at end of file diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_ja_JP.properties b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_ja_JP.properties new file mode 100644 index 0000000..607dd2e --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_ja_JP.properties @@ -0,0 +1,2 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF. +errorcode.write_failed_exception=\u5199\u5165\u6570\u636E\u65F6\u5931\u8D25 \ No newline at end of file diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_CN.properties b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_CN.properties new file mode 100644 index 0000000..607dd2e --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_CN.properties @@ -0,0 +1,2 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF. +errorcode.write_failed_exception=\u5199\u5165\u6570\u636E\u65F6\u5931\u8D25 \ No newline at end of file diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_HK.properties b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_HK.properties new file mode 100644 index 0000000..607dd2e --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_HK.properties @@ -0,0 +1,2 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF. +errorcode.write_failed_exception=\u5199\u5165\u6570\u636E\u65F6\u5931\u8D25 \ No newline at end of file diff --git a/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_TW.properties b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_TW.properties new file mode 100644 index 0000000..607dd2e --- /dev/null +++ b/cassandrawriter/src/main/java/com/alibaba/datax/plugin/writer/cassandrawriter/LocalStrings_zh_TW.properties @@ -0,0 +1,2 @@ +errorcode.config_invalid_exception=\u914D\u7F6E\u9519\u8BEF. +errorcode.write_failed_exception=\u5199\u5165\u6570\u636E\u65F6\u5931\u8D25 \ No newline at end of file diff --git a/cassandrawriter/src/main/resources/plugin.json b/cassandrawriter/src/main/resources/plugin.json new file mode 100644 index 0000000..661e674 --- /dev/null +++ b/cassandrawriter/src/main/resources/plugin.json @@ -0,0 +1,7 @@ +{ + "name": "cassandrawriter", + "class": "com.alibaba.datax.plugin.writer.cassandrawriter.CassandraWriter", + "description": "useScene: prod. mechanism: use datax driver, execute insert sql.", + "developer": "alibaba" +} + diff --git a/cassandrawriter/src/main/resources/plugin_job_template.json b/cassandrawriter/src/main/resources/plugin_job_template.json new file mode 100644 index 0000000..d095255 --- /dev/null +++ b/cassandrawriter/src/main/resources/plugin_job_template.json @@ -0,0 +1,15 @@ +{ + "name": "cassandrawriter", + "parameter": { + "username": "", + "password": "", + "host": "", + "port": "", + "useSSL": false, + "keyspace": "", + "table": "", + "column": [ + "c1","c2","c3" + ] + } +} \ No newline at end of file diff --git a/package.xml b/package.xml index 8b7c72f..42185f5 100755 --- a/package.xml +++ b/package.xml @@ -166,6 +166,13 @@ datax + + cassandrareader/target/datax/ + + **/*.* + + datax + @@ -343,5 +350,12 @@ datax + + cassandrawriter/target/datax/ + + **/*.* + + datax + diff --git a/pom.xml b/pom.xml index 50ee208..d7fd24f 100755 --- a/pom.xml +++ b/pom.xml @@ -63,6 +63,7 @@ hbase11xreader hbase094xreader opentsdbreader + cassandrareader mysqlwriter @@ -89,6 +90,7 @@ tsdbwriter adbpgwriter gdbwriter + cassandrawriter plugin-rdbms-util