canal1.1.5 配置kaka

1. 简介：

canal [kə'næl]，译意为水道/管道/沟渠，主要用途是基于 MySQL 数据库增量日志解析，提供增量数据订阅和消费
早期阿里巴巴因为杭州和美国双机房部署，存在跨机房同步的业务需求，实现方式主要是基于业务 trigger 获取增量变更。从 2010 年开始，业务逐步尝试数据库
志解析获取增量变更进行同步，由此衍生出了大量的数据库增量订阅和消费业务。
基于日志增量订阅和消费的业务包括
1.数据库镜像
2.数据库实时备份
3.索引构建和实时维护(拆分异构索引、倒排索引等)
4.业务 cache 刷新
5.带业务逻辑的增量数据处理

1.1 官网地址

https://github.com/alibaba/canal

2.架构

3.canal 工作原理

4 canal 部署所需要的组件

搭建一套可以用的组件需要部署MySQL、Zookeeper、Kafka和Canal四个中间件的实例

5. mysql 安装省略

5.1 为canal -admin 创建用户

CREATE USER canaladmin IDENTIFIED BY 'canaladmin%123';
GRANT ALL ON canal_manager.* TO 'canaladmin'@'%';
FLUSH PRIVILEGES;

5.1 为canal 创建用户：

CREATE USER canal IDENTIFIED BY 'canal%123';
GRANT ALL PRIVILEGES ON *.* TO 'canal'@'%' ;
FLUSH PRIVILEGES;

5.3 mysql 的配置：

打开mysql 的配置文件：
vi /etc/my.cnf

server-id=1
log-bin=mysql-bin
binlog-format=ROW
binlog-ignore-db=information_schema
binlog-ignore-db=mysql
binlog-ignore-db=performance_schema
binlog-ignore-db=syslog-bin用于指定binlog日志文件名前缀，默认存储在/var/lib/mysql 目录下。
server-id用于标识唯一的数据库，不能和别的服务器重复，建议使用ip的最后一段，默认值也不可以。
binlog-ignore-db：表示同步的时候忽略的数据库。
binlog-do-db：指定需要同步的数据库（如果没有此项，表示同步所有的库）。

6. canal 安装

下载地址：

  https://github.com/alibaba/canal/releases

6.1 下载解压安装

drwxr-xr-x 6 root root       72 2月  14 00:45 canaladmin
-rw-r--r-- 1 root root 38060846 2月  14 00:45 canal.admin-1.1.5-SNAPSHOT.tar.gz
drwxr-xr-x 7 root root       90 2月  14 00:45 canaldeployer
-rw-r--r-- 1 root root 58810588 2月  14 00:45 canal.deployer-1.1.5-SNAPSHOT.tar.gz
[root@slave01 canal]# pwd
/opt/module/canal
[root@slave01 canal]#

6.2 配置环境变量

export CANAL_ADMIN_HOME=/opt/module/canal/canaladmin
export PATH=${CANAL_ADMIN_HOME}/bin:$PATHexport CANAL_SERVER_HOME=/opt/module/canal/canaldeployer
export PATH=${CANAL_SERVER_HOME}/bin:$PATH

6.3 配置canal -admin

进入到canaladmin 目录的conf 目录中

vi /opt/module/canal/canaladmin/conf/application.yml

修改内容如下：

server:port: 8089
spring:jackson:date-format: yyyy-MM-dd HH:mm:sstime-zone: GMT+8spring.datasource:address: 192.168.1.153:3306database: canal_managerusername: canaladminpassword: canaladmin%123driver-class-name: com.mysql.jdbc.Driverurl: jdbc:mysql://${spring.datasource.address}/${spring.datasource.database}?useUnicode=true&characterEncoding=UTF-8&useSSL=falsehikari:maximum-pool-size: 30minimum-idle: 1canal:adminUser: adminadminPasswd: admin

导入canal-admin的sql 脚本

 1.进入mysql 中执行 use mysqlsoruce /opt/module/canal/canaladmin/conf/canal_manager.sql

启动canal-admin

/opt/module/canal/canaladmin/bin
[root@slave01 canaladmin]# cd bin/
[root@slave01 bin]# ll
总用量 20
-rw-r--r-- 1 root root    6 2月  14 00:58 admin.pid
-rwxr-xr-x 1 root root   39 2月  14 00:45 restart.sh
-rwxr-xr-x 1 root root  747 2月  14 00:45 startup.bat
-rwxr-xr-x 1 root root 2047 2月  14 00:45 startup.sh
-rwxr-xr-x 1 root root 1362 2月  14 00:45 stop.sh
[root@slave01 bin]# pwd
/opt/module/canal/canaladmin/bin
[root@slave01 bin]# ./startup.sh

访问地址：
http://192.168.1.153:8089/ 默认登录 admin/123456

7. 配置canaldeployer

[root@slave01 conf]# pwd
/opt/module/canal/canaldeployer/conf
[root@slave01 conf]# ll
总用量 16
-rwxr-xr-x 1 root root  309 2月  14 00:45 canal_local.properties
-rwxr-xr-x 1 root root 5868 2月  14 00:45 canal.properties
drwxrwxrwx 2 root root  117 2月  14 01:25 example
-rwxr-xr-x 1 root root 3437 2月  14 00:45 logback.xml
drwxrwxrwx 2 root root   47 2月  14 00:45 metrics
drwxrwxrwx 3 root root  177 2月  14 00:45 spring
[root@slave01 conf]#

打开canal.properties 文件：

#################################################
#########               common argument         #############
#################################################
# tcp bind ip
canal.ip =
# register ip to zookeeper
canal.register.ip =192.168.1.151:2181,192.168.1.152:2181,192.168.1.153:2181
canal.port = 11111
canal.metrics.pull.port = 11112
# canal instance user/passwd
# canal.user = canal
# canal.passwd = E3619321C1A937C46A0D8BD1DAC39F93B27D4458# canal admin config
#canal.admin.manager = 127.0.0.1:8089
canal.admin.port = 11110
canal.admin.user = admin
canal.admin.passwd = 4ACFE3202A5FF5CF467898FC58AAB1D615029441canal.zkServers =
# flush data to zk
canal.zookeeper.flush.period = 1000
canal.withoutNetty = false
# tcp, kafka, rocketMQ, rabbitMQ
canal.serverMode = kafka
# flush meta cursor/parse position to file
canal.file.data.dir = ${canal.conf.dir}
canal.file.flush.period = 1000
## memory store RingBuffer size, should be Math.pow(2,n)
canal.instance.memory.buffer.size = 16384
## memory store RingBuffer used memory unit size , default 1kb
canal.instance.memory.buffer.memunit = 1024
## meory store gets mode used MEMSIZE or ITEMSIZE
canal.instance.memory.batch.mode = MEMSIZE
canal.instance.memory.rawEntry = true## detecing config
canal.instance.detecting.enable = false
#canal.instance.detecting.sql = insert into retl.xdual values(1,now()) on duplicate key update x=now()
canal.instance.detecting.sql = select 1
canal.instance.detecting.interval.time = 3
canal.instance.detecting.retry.threshold = 3
canal.instance.detecting.heartbeatHaEnable = false# support maximum transaction size, more than the size of the transaction will be cut into multiple transactions delivery
canal.instance.transaction.size =  1024
# mysql fallback connected to new master should fallback times
canal.instance.fallbackIntervalInSeconds = 60# network config
canal.instance.network.receiveBufferSize = 16384
canal.instance.network.sendBufferSize = 16384
canal.instance.network.soTimeout = 30# binlog filter config
canal.instance.filter.druid.ddl = true
canal.instance.filter.query.dcl = false
canal.instance.filter.query.dml = false
canal.instance.filter.query.ddl = false
canal.instance.filter.table.error = false
canal.instance.filter.rows = false
canal.instance.filter.transaction.entry = false# binlog format/image check
canal.instance.binlog.format = ROW,STATEMENT,MIXED
canal.instance.binlog.image = FULL,MINIMAL,NOBLOB# binlog ddl isolation
canal.instance.get.ddl.isolation = false# parallel parser config
canal.instance.parser.parallel = true
## concurrent thread number, default 60% available processors, suggest not to exceed Runtime.getRuntime().availableProcessors()
#canal.instance.parser.parallelThreadSize = 16
## disruptor ringbuffer size, must be power of 2
canal.instance.parser.parallelBufferSize = 256# table meta tsdb info
canal.instance.tsdb.enable = true
canal.instance.tsdb.dir = ${canal.file.data.dir:../conf}/${canal.instance.destination:}
canal.instance.tsdb.url = jdbc:h2:${canal.instance.tsdb.dir}/h2;CACHE_SIZE=1000;MODE=MYSQL;
canal.instance.tsdb.dbUsername = canal
canal.instance.tsdb.dbPassword = canal%123
# dump snapshot interval, default 24 hour
canal.instance.tsdb.snapshot.interval = 24
# purge snapshot expire , default 360 hour(15 days)
canal.instance.tsdb.snapshot.expire = 360#################################################
#########               destinations            #############
#################################################
canal.destinations = example
# conf root dir
canal.conf.dir = ../conf
# auto scan instance dir add/remove and start/stop instance
canal.auto.scan = true
canal.auto.scan.interval = 5canal.instance.tsdb.spring.xml = classpath:spring/tsdb/h2-tsdb.xml
#canal.instance.tsdb.spring.xml = classpath:spring/tsdb/mysql-tsdb.xmlcanal.instance.global.mode = spring
canal.instance.global.lazy = false
canal.instance.global.manager.address = ${canal.admin.manager}
#canal.instance.global.spring.xml = classpath:spring/memory-instance.xml
canal.instance.global.spring.xml = classpath:spring/file-instance.xml
#canal.instance.global.spring.xml = classpath:spring/default-instance.xml##################################################
#########             MQ Properties      #############
##################################################
# aliyun ak/sk , support rds/mq
canal.aliyun.accessKey =
canal.aliyun.secretKey =
canal.aliyun.uid=canal.mq.flatMessage = true
canal.mq.canalBatchSize = 50
canal.mq.canalGetTimeout = 100
# Set this value to "cloud", if you want open message trace feature in aliyun.
canal.mq.accessChannel = localcanal.mq.database.hash = true
canal.mq.send.thread.size = 30
canal.mq.build.thread.size = 8##################################################
#########                    Kafka                   #############
##################################################
kafka.bootstrap.servers = 192.168.1.151:6667
kafka.acks = all
kafka.compression.type = none
kafka.batch.size = 16384
kafka.linger.ms = 1
kafka.max.request.size = 1048576
kafka.buffer.memory = 33554432
kafka.max.in.flight.requests.per.connection = 1
kafka.retries = 0kafka.kerberos.enable = false
kafka.kerberos.krb5.file = "../conf/kerberos/krb5.conf"
kafka.kerberos.jaas.file = "../conf/kerberos/jaas.conf"##################################################
#########                   RocketMQ         #############
##################################################
rocketmq.producer.group = test
rocketmq.enable.message.trace = false
rocketmq.customized.trace.topic =
rocketmq.namespace =
rocketmq.namesrv.addr = 127.0.0.1:9876
rocketmq.retry.times.when.send.failed = 0
rocketmq.vip.channel.enabled = false##################################################
#########                   RabbitMQ         #############
##################################################
rabbitmq.host =
rabbitmq.virtual.host =
rabbitmq.exchange =
rabbitmq.username =
rabbitmq.password =

配置实例文件

[root@slave01 example]# pwd
/opt/module/canal/canaldeployer/conf/example
[root@slave01 example]# ll
总用量 148
-rw-r--r-- 1 root root 143360 2月  14 00:45 h2.mv.db
-rwxr-xr-x 1 root root   2291 2月  14 01:25 instance.properties
-rw-r--r-- 1 root root    338 2月  14 01:26 meta.dat
[root@slave01 example]#

编辑内容：

#################################################
## mysql serverId , v1.0.26+ will autoGen
# canal.instance.mysql.slaveId=0
canal.instance.mysql.slaveId=12368
# enable gtid use true/false
canal.instance.gtidon=false# position info
canal.instance.master.address=192.168.1.153:3306
canal.instance.master.journal.name=
canal.instance.master.position=
canal.instance.master.timestamp=
canal.instance.master.gtid=# rds oss binlog
canal.instance.rds.accesskey=
canal.instance.rds.secretkey=
canal.instance.rds.instanceId=# table meta tsdb info
canal.instance.tsdb.enable=false
#canal.instance.tsdb.url=jdbc:mysql://127.0.0.1:3306/canal_tsdb
#canal.instance.tsdb.dbUsername=canal
#canal.instance.tsdb.dbPassword=canal#canal.instance.standby.address =
#canal.instance.standby.journal.name =
#canal.instance.standby.position =
#canal.instance.standby.timestamp =
#canal.instance.standby.gtid=# username/password
canal.instance.dbUsername=canal
canal.instance.dbPassword=canal%123canal.instance.defaultDatabaseName = location
canal.instance.connectionCharset = UTF-8
# enable druid Decrypt database password
canal.instance.enableDruid=false
#canal.instance.pwdPublicKey=MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALK4BUxdDltRRE5/zXpVEVPUgunvscYFtEip3pmLlhrWpacX7y7GCMo2/JM6LeHmiiNdH1FWgGCpUfircSwlWKUCAwEAAQ==canal.instance.defaultDatabaseName = location# table regex
canal.instance.filter.regex=location\\..*# table black regex
#canal.instance.filter.black.regex=mysql\\.slave_.*canal.instance.filter.black.regex=
# table field filter(format: schema1.tableName1:field1/field2,schema2.tableName2:field1/field2)
#canal.instance.filter.field=test1.t_product:id/subject/keywords,test2.t_company:id/name/contact/ch
# table field black filter(format: schema1.tableName1:field1/field2,schema2.tableName2:field1/field2)
#canal.instance.filter.black.field=test1.t_product:subject/product_image,test2.t_company:id/name/contact/ch# mq config
canal.mq.topic=canallocal
# dynamic topic route by schema or table regex
#canal.mq.dynamicTopic=mytest1.user,mytest2\\..*,.*\\..*
canal.mq.partition=0
# hash partition config
#canal.mq.partitionsNum=3
#canal.mq.partitionHash=test.table:id^name,.*\\..*
#canal.mq.dynamicTopicPartitionNum=test.*:4,mycanal:6
#################################################

7.1 启动

[root@slave01 bin]# pwd
/opt/module/canal/canaldeployer/bin
[root@slave01 bin]# ll
总用量 20
-rw-r--r-- 1 root root    6 2月  14 01:25 canal.pid
-rwxr-xr-x 1 root root   58 2月  14 00:45 restart.sh
-rwxr-xr-x 1 root root 1181 2月  14 00:45 startup.bat
-rwxr-xr-x 1 root root 3167 2月  14 00:45 startup.sh
-rwxr-xr-x 1 root root 1356 2月  14 00:45 stop.sh
[root@slave01 bin]#
[root@slave01 bin]# ./startup.sh

查看日志

8. 监控topic

到此成功

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