初探DM迁移MySQL到TIDB

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yum -y install epel-release git curl sshpass
wget https://bootstrap.pypa.io/pip/2.7/get-pip.py
python get-pip.py

wget https://download.pingcap.org/dm-ansible-v2.0.0.tar.gz

[tidb@luyy01 ~]$ tar -zxvf dm-ansible-v2.0.0.tar.gz
[tidb@luyy01 ~]$ mv dm-ansible-v2.0.0 dm-ansible
[tidb@luyy01 ~]$sudo pip install -r ./requirements.txt

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cd /home/tidb/dm-ansible

vi hosts.ini
[servers]
192.168.199.62
192.168.199.63
192.168.199.64

[all:vars]
username = tidb

[tidb@luyy01 dm-ansible]$ ansible-playbook -i hosts.ini create_users.yml -u root -k
SSH password:

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## DM modules
[dm_master_servers]
dm_master ansible_host=192.168.199.61 dm_master_port=18261

[dm_worker_servers]
dm-worker1 ansible_host=192.168.199.62 dm_worker_port=18262 source_id="mysql-replica-01"  mysql_host=192.168.199.61 mysql_user=admin mysql_password=YUZP1pa88fWbIzudw3bDTEBF6ZUTnw==  mysql_port=3306

[dm_portal_servers]
dm_portal ansible_host=192.168.199.61

## Monitoring modules
[prometheus_servers]
prometheus ansible_host=192.168.199.63

[grafana_servers]
grafana ansible_host=192.168.199.63

[alertmanager_servers]
alertmanager ansible_host=192.168.199.63

## Global variables
[all:vars]
cluster_name = test-cluster

ansible_user = tidb

dm_version = v2.0.0

deploy_dir = /home/tidb/deploy

grafana_admin_user = "admin"
grafana_admin_password = "admin"

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cd /home/tidb/dm-ansible/resources/bin &&
./dmctl -encrypt abc!@#123

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cd /home/tidb/deploy/conf
vi dm-master.toml
enable-gtid = false

[[deploy]]
source-id = "mysql-replica-01"
dm-worker = "192.168.199.62:18262"

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name: luyayao
task-mode: all
is-sharding: false
clean-dump-file: true
ignore-checking-items: [schema_of_shard_tables]

target-database:
  host: 192.168.199.63
  port: 4000
  user: root
  password: KyMi25sGljNJPVL8OV3JrEA=
mysql-instances:
- source-id: mysql-replica-01
  meta:
    binlog-name: mysql-bin.0000001
    binlog-pos: 4
  filter-rules: []
  route-rules:
  - mysql-replica-01.route_rules.1
  - mysql-replica-01.route_rules.2
  black-white-list: mysql-replica-01.bw_list.1
  mydumper-config-name: mysql-replica-01.dump
routes:
  mysql-replica-01.route_rules.1:
    schema-pattern: employees
    table-pattern: ""
    target-schema: employees
    target-table: ""
  mysql-replica-01.route_rules.2:
    schema-pattern: employees
    table-pattern: "*"
    target-schema: employees
filters: {}
black-white-list:
  mysql-replica-01.bw_list.1:
    do-tables:
    - db-name: employees
      tbl-name: "*"
    do-dbs: []
    ignore-tables: []
    ignore-dbs: []
mydumpers:
  mysql-replica-01.dump:
    mydumper-path: bin/mydumper
    threads: 4
    chunk-filesize: 64
    skip-tz-utc: true
    extra-args: "--no-locks"

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./dmctl -master-addr 192.168.199.61:18261

operate-source create /home/tidb/deploy/conf/dm-master.yaml

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cat dm-master.yaml
server-id: 101
source-id: mysql-replica-01
flavor: mysql

enable-relay: false

enable-gtid: false

from:
  host: 192.168.199.61
  user: admin
  password: YUZP1pa88fWbIzudw3bDTEBF6ZUTnw==
  port: 3306

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start-task -s mysql-replica-01 /home/tidb/deploy/conf/luyayao.yaml

» query-status   #查询任务运行状态