如何替换OCP节点（二）：使用 antman脚本 | OceanBase应用实践

OceanBase数据库官方博客2024-10-14 17:05

前言：

OceanBase Cloud Platform（简称OCP），是 OceanBase数据库的专属企业级数据库管理平台。

在实际生产环境中，OCP的安装通常是第一步，先搭建OCP平台，进而依赖OCP来创建、管理和监控我们的生产集群。但此后，可能由于机房调整或其他需求，可能会出现需要迁移或替换OCP服务器的情况。

上一篇文章，介绍了使用oat平台来替换OCP的方法，本文将介绍使用antman脚本替换OCP服务器的方法。（注：本文的环境的OCP负载均衡使用的f5，所以新的机器需要先配置f5，其他负载均衡场景同理）

环境背景：

大家如果有接触ob生产环境的经验的话，可以能会了解，前期版本，安装ocp的时候，需要安装ocp软件/metadba/obproxy三个docker包，后期ocp版本将db+proxy集成在了一个docker包里，oat的话只能纳管db+proxy

集成的metadb，分开的情况还需要使用antman脚本来替换。

>本篇文章主要介绍使用antman替换，下面说下我的软件信息

1.ocp软件：ocp-all-in-one:3.3.3-20220906114643

2.metadb：OB2276_x86_20210409

3.proxy：OBP186_20210315

4.antman：t-oceanbase-antman-1.4.3-20220807073355.alios7.x86_64

操作过程：

（一）环境检查/准备

  • 检查替换机器环境，包括分盘，创建admin用户，安装docker软件等，安装好后检查下。

    cd /root/t-oceanbase-antman/clonescripts/
    sh precheck.sh -m ocp

  • 登录meta库检查有没有tenant的主zone在要被替换的节点，提前切主

    MySQL [oceanbase]> select * from __all_Server;
    +----------------------------+----------------------------+--------------+----------+----+----------------+------------+-----------------+--------+-----------------------+--------------------------------------------------------------------------------------+-----------+--------------------+--------------+----------------+-------------------+
    | gmt_create | gmt_modified | svr_ip | svr_port | id | zone | inner_port | with_rootserver | status | block_migrate_in_time | build_version | stop_time | start_service_time | first_sessid | with_partition | last_offline_time |
    +----------------------------+----------------------------+--------------+----------+----+----------------+------------+-----------------+--------+-----------------------+--------------------------------------------------------------------------------------+-----------+--------------------+--------------+----------------+-------------------+
    | 2022-03-17 22:59:19.979627 | 2023-03-20 10:27:01.147283 | 10.10.100.87 | 2882 | 6 | META_OB_ZONE_2 | 2881 | 0 | active | 0 | 2.2.76_20210406232249-a1e144bdc179fbf473cea37f199e8a76c736b8d4(Apr 6 2021 23:55:12) | 0 | 1679279220991796 | 0 | 1 | 1679278517144838 |
    | 2022-03-17 23:54:49.277939 | 2023-03-20 09:29:22.079578 | 10.10.100.9 | 2882 | 7 | META_OB_ZONE_1 | 2881 | 1 | active | 0 | 2.2.76_20210406232249-a1e144bdc179fbf473cea37f199e8a76c736b8d4(Apr 6 2021 23:55:12) | 0 | 1679275725595691 | 0 | 1 | 0 |
    | 2021-12-21 22:44:16.476503 | 2023-03-20 09:29:22.080425 | 122.44.11.2 | 2882 | 5 | META_OB_ZONE_3 | 2881 | 0 | active | 0 | 2.2.76_20210406232249-a1e144bdc179fbf473cea37f199e8a76c736b8d4(Apr 6 2021 23:55:12) | 0 | 1640097866698859 | 0 | 1 | 0 |
    +----------------------------+----------------------------+--------------+----------+----+----------------+------------+-----------------+--------+-----------------------+--------------------------------------------------------------------------------------+-----------+--------------------+--------------+----------------+-------------------+
    MySQL [oceanbase]> select tenant_name,primary_zone from __all_tenant;
    +----------------+----------------------------------------------+
    | tenant_name | primary_zone |
    +----------------+----------------------------------------------+
    | sys | META_OB_ZONE_1;META_OB_ZONE_3;META_OB_ZONE_2 |
    | ocp_meta | META_OB_ZONE_1;META_OB_ZONE_3;META_OB_ZONE_2 |
    | ocp_monitor | META_OB_ZONE_1;META_OB_ZONE_3;META_OB_ZONE_2 |
    | oms_tt_tenant | META_OB_ZONE_1;META_OB_ZONE_3;META_OB_ZONE_2 |
    | oms_cc7_tenant | META_OB_ZONE_3;META_OB_ZONE_2;META_OB_ZONE_1 |
    | oms_ff9_tenant | META_OB_ZONE_1;META_OB_ZONE_2,META_OB_ZONE_3 |
    | oms_cc9_tenant | META_OB_ZONE_3;META_OB_ZONE_1,META_OB_ZONE_2 |
    | oms_dd_tenant | META_OB_ZONE_3;META_OB_ZONE_1,META_OB_ZONE_2 |
    | obdw_meta | META_OB_ZONE_3;META_OB_ZONE_1,META_OB_ZONE_2 |
    +----------------+----------------------------------------------+
    MySQL [oceanbase]> alter tenant sys primary_zone='META_OB_ZONE_2;META_OB_ZONE_3,META_OB_ZONE_1';
    Query OK, 0 rows affected (0.04 sec)

    MySQL [oceanbase]> alter tenant ocp_meta primary_zone='META_OB_ZONE_2;META_OB_ZONE_3,META_OB_ZONE_1';
    Query OK, 0 rows affected (1.27 sec)

    MySQL [oceanbase]> alter tenant ocp_monitor primary_zone='META_OB_ZONE_2;META_OB_ZONE_3,META_OB_ZONE_1';
    Query OK, 0 rows affected (0.02 sec)

    MySQL [oceanbase]> alter tenant oms_tt_tenant primary_zone='META_OB_ZONE_2;META_OB_ZONE_3,META_OB_ZONE_1';
    Query OK, 0 rows affected (0.03 sec)

    MySQL [oceanbase]> alter tenant oms_ff9_tenant primary_zone='META_OB_ZONE_2;META_OB_ZONE_3,META_OB_ZONE_1';
    Query OK, 0 rows affected (0.03 sec)

  • 因为使用antman脚本迁移，需要在执行机器上修改obcluster.conf文件，或者直接从原ocp上copy后检查下，镜像包也需要传到该机器/root/t-oceanbase-antman目录下

    55obffocp:~/t-oceanbase-antman # cat obcluster.conf
    ZONE1_RS_IP=10.10.100.9
    ZONE2_RS_IP=10.10.100.87
    ZONE3_RS_IP=122.44.11.2

    自动配置，无需修改 / AUTO-CONFIGURATION

    OBSERVER01_HOSTNAME=OCP_META_SERVER_1
    OBSERVER02_HOSTNAME=OCP_META_SERVER_2
    OBSERVER03_HOSTNAME=OCP_META_SERVER_3
    ZONE1_NAME=META_OB_ZONE_1 --后续命令参数，主要和参数文件中对上
    ZONE2_NAME=META_OB_ZONE_2
    ZONE3_NAME=META_OB_ZONE_3
    ##there must be more than half zone within same region
    ZONE1_REGION=OCP_META_REGION
    ZONE2_REGION=OCP_META_REGION
    ZONE3_REGION=OCP_META_REGION
    MYSQL_PORT=2881
    RPC_PORT=2882

    OCP_VERSION=3.3.3

  • 检查执行antman脚本机器上默认集群密码是否正确，cd ~/t-oceanbase-antman/tools ,执行getpass.sh的脚本，如果不对需要使用setpass.sh修改，因为后续proxy的docker迁移后会有验证，ocp的docker迁移前也会验证。

    55obffocp:~/t-oceanbase-antman/tools # bash setpass.sh -s 0Aa255yK^F
    password file sys in /root/.key already exist!

    Password of root@sys is CqVgg9}Aut
    Password of root@ocp_meta is r6kS^EINTU
    Password of root@ocp_monitor is pkJv1a{7J7
    Password of root@odc is j{fjdd3X9f
    Password of root@oms is {oOIsE9fdQ

    55obffocp:~ # mv .key .key_bak
    55obffocp:~ # cd /root/t-oceanbase-antman/tools/
    55obffocp:~/t-oceanbase-antman/tools # bash setpass.sh -s 0Aa255yK^F

    Password of root@sys is 0Aa255yK^F
    Password of root@ocp_meta is
    Password of root@ocp_monitor is
    Password of root@odc is
    Password of root@oms is
    55obffocp:~/t-oceanbase-antman/tools # bash setpass.sh -c rSf@jO%6EO

    Password of root@sys is 0Aa255yK^F
    Password of root@ocp_meta is rSf@jO%6EO
    Password of root@ocp_monitor is
    Password of root@odc is
    Password of root@oms is

（二）执行antman的manage脚本进行新机器的添加

  • 执行antman的manage脚本进行新机器的添加,ps:(这个版本manage会有报错，文末会有分享)

    55obffocp:~/t-oceanbase-antman # ./manage.sh -i ob,ocp,obproxy -l 133.55.22.19 -z 1 -R Jnydzycscc@123 -A OceanBase#123
    [2023-06-16 16:31:45.375633] INFO [check conf file /root/t-oceanbase-antman/obcluster.conf format ...]
    [2023-06-16 16:31:45.381844] INFO [conf file is upper case format.]
    [2023-06-16 16:31:45.391446] INFO [SSH_AUTH=password SSH_USER=root SSH_PORT=22 SSH_PASSWORD= SSH_KEY_FILE=/root/.ssh/id_rsa]
    LB_MODE=f5
    INSTALL_COMPONENTS componets: ob obproxy ocp
    CLEAR_COMPONENTS:
    IP_LIST: 133.55.22.19
    ZONE_LIST: 1
    ROOT_PASSWORD_LIST: Jnydzycscc@123
    ADMIN_PASSWORD_LIST: OceanBase#123
    [2023-06-16 16:31:45.746503] INFO [INSTALL_COMPONENT: ob START ######################################]
    [2023-06-16 16:31:45.751057] INFO [deploy_ob: check whether OBSERVER port 2881,2882 are in use or not on 133.55.22.19]
    [2023-06-16 16:31:45.806500] INFO [deploy_ob: OBSERVER port 2881,2882 are idle on 133.55.22.19]
    [2023-06-16 16:31:45.810773] INFO [deploy_ob: installing ob cluster, logfile: /root/t-oceanbase-antman/logs/deploy_ob.log]
    cp: '/root/t-oceanbase-antman/OB2276_x86_20210409.tar.gz' and '/root/t-oceanbase-antman/OB2276_x86_20210409.tar.gz' are the same file
    skip copy same file
    cp: '/root/t-oceanbase-antman/install_OB_docker.sh' and '/root/t-oceanbase-antman/install_OB_docker.sh' are the same file
    skip copy same file
    cp: '/root/t-oceanbase-antman/obcluster.conf' and '/root/t-oceanbase-antman/obcluster.conf' are the same file
    skip copy same file
    cp: '/root/t-oceanbase-antman/common/utils.sh' and '/root/t-oceanbase-antman/common/utils.sh' are the same file
    skip copy same file
    cp: '/root/.key' and '/root/.key' are the same file
    skip copy same file
    nohup: ignoring input
    [2023-06-16 16:31:45.841348] INFO [installing OB docker and starting OB server on 133.55.22.19, pid: 144513, log: /root/t-oceanbase-antman/logs/install_OB_docker.log and /home/admin/logs/ob-server/ inside docker]
    [2023-06-16 16:31:45.925592] INFO [load docker image: docker load -i /root/t-oceanbase-antman/OB2276_x86_20210409.tar.gz]
    [2023-06-16 16:31:45.930723] INFO [install_OB_docker.sh is still running on 133.55.22.19]
    [2023-06-16 16:31:56.021465] INFO [install_OB_docker.sh is still running on 133.55.22.19]
    Loaded image: reg.docker.alibaba-inc.com/antman/ob-docker:OB2276_x86_20210409
    [2023-06-16 16:32:06.111458] INFO [install_OB_docker.sh is still running on 133.55.22.19]
    [2023-06-16 16:32:06.359285] INFO [start container: docker run -d -it --cap-add SYS_RESOURCE --name META_OB_ZONE_1 --net=host -e OBCLUSTER_NAME=obcluster -e DEV_NAME=bond0 -e ROOTSERVICE_LIST="10.10.100.9:2882:2881;10.10.100.87:2882:2881;122.44.11.2:2882:2881" -e DATAFILE_DISK_PERCENTAGE=90 -e CLUSTER_ID=1632654636 -e ZONE_NAME=META_OB_ZONE_1 -e OBPROXY_PORT=2883 -e MYSQL_PORT=2881 -e RPC_PORT=2882 -e OCP_VIP=134.80.173.57 -e OCP_VPORT=80 -e app.password_root='Jnydzycscc@123' -e app.password_admin='OceanBase#123' -e OBPROXY_OPTSTR="" -e OPTSTR="cpu_count=64,system_memory=50G,memory_limit=254G,__min_full_resource_pool_memory=1073741824,_ob_enable_prepared_statement=false,memory_limit_percentage=90" --cpu-period 100000 --cpu-quota 6400000 --cpuset-cpus 0-63 --memory 256G -v /home/admin/oceanbase:/home/admin/oceanbase -v /data/log1:/data/log1 -v /data/1:/data/1 --restart on-failure:5 reg.docker.alibaba-inc.com/antman/ob-docker:OB2276_x86_20210409]
    WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
    4f1c15e8194cc1ae2fffcc124ea9c982b3fda87ce1a6d0038db88435c737af89
    [2023-06-16 16:32:16.209761] INFO [install_OB_docker.sh finished and reg.docker.alibaba-inc.com/antman/ob-docker:OB2276_x86_20210409 started on 133.55.22.19]
    [2023-06-16 16:32:16.214771] INFO [waiting on observer ready on 133.55.22.19]
    [2023-06-16 16:35:16.244133] INFO [waiting on observer ready on 133.55.22.19 for 3 Minitues]
    [2023-06-16 16:36:16.264776] INFO [waiting on observer ready on 133.55.22.19 for 4 Minitues]
    [2023-06-16 16:37:16.285808] INFO [waiting on observer ready on 133.55.22.19 for 5 Minitues]
    [2023-06-16 16:37:16.579057] INFO [observer on 133.55.22.19 is ready]
    [2023-06-16 16:37:16.584583] INFO [deploy_ob: installation of ob cluster done]
    [2023-06-16 16:37:16.588617] INFO [INSTALL_COMPONENT: ob DONE ######################################]
    [2023-06-16 16:37:16.593604] INFO [INSTALL_COMPONENT: obproxy START ######################################]

####日志太多，就不都粘贴出来了，可以上面看到metadb的docker服务添加完后开始了obproxy的docker服务添加###

说明：

1）"133.55.22.19"是要去替换ocp的服务器的实际物理IP。

2）"-z 1"选项，指定的133.55.22.19会被添加到OCP环境中的第1个zone，即和上文查到的10.10.100.9机器在同一个zone里。

这里关于zone的定义，主要是针对OCP服务器上的meta_ob docker而言，obproxy docker和ocp docker并没有zone的概念。

关于每台OCP服务器上的meta_ob docker属于哪一个zone，请参考"obcluster.conf"配置文件中的三个变量：ZONE1_RS_IP，ZONE2_RS_IP，ZONE3_RS_IP。

3）"-R"和"-A"，后面需要分别填写成133.55.22.19服务器的root用户密码和admin用户密码。

4）-i是安装，如果替换成-c就是清除

####这时候正常的话可以通过新添加节点的ip：8080前台登录ocp了，也可以通过这个机器的2883端口去连meta库了

（三）登录ocp的metadb的sys租户新增meta_ob docker的上线

MySQL [oceanbase]> alter system add server '133.55.22.19:2882' zone 'META_OB_ZONE_1';
Query OK, 0 rows affected (0.02 sec)

MySQL [oceanbase]> select svr_ip, zone, with_rootserver, status, start_service_time from __all_server;
+--------------+----------------+-----------------+--------+--------------------+
| svr_ip       | zone           | with_rootserver | status | start_service_time |
+--------------+----------------+-----------------+--------+--------------------+
| 10.10.100.87 | META_OB_ZONE_2 |               1 | active |   1679279220991796 |
| 10.10.100.9  | META_OB_ZONE_1 |               0 | active |   1679275725595691 |
| 122.44.11.2  | META_OB_ZONE_3 |               0 | active |   1640097866698859 |
| 133.55.22.19 | META_OB_ZONE_1 |               0 | active |                  0 |
+--------------+----------------+-----------------+--------+--------------------+
4 rows in set (0.00 sec)

MySQL [oceanbase]> select svr_ip, zone, with_rootserver, status, start_service_time from __all_server;
+--------------+----------------+-----------------+--------+--------------------+
| svr_ip       | zone           | with_rootserver | status | start_service_time |
+--------------+----------------+-----------------+--------+--------------------+
| 10.10.100.87 | META_OB_ZONE_2 |               1 | active |   1679279220991796 |
| 10.10.100.9  | META_OB_ZONE_1 |               0 | active |   1679275725595691 |
| 122.44.11.2  | META_OB_ZONE_3 |               0 | active |   1640097866698859 |
| 133.55.22.19 | META_OB_ZONE_1 |               0 | active |   1686908200404755 |
+--------------+----------------+-----------------+--------+--------------------+
4 rows in set (0.01 sec)

（四）登录ocp的metadb的sys租户将被替换meta_ob docker的下线

MySQL [oceanbase]>  alter system delete server '10.10.100.9:2882' zone 'META_OB_ZONE_1';
Query OK, 0 rows affected (0.19 sec)

MySQL [oceanbase]> select svr_ip, zone, with_rootserver, status, start_service_time from __all_server;
+--------------+----------------+-----------------+----------+--------------------+
| svr_ip       | zone           | with_rootserver | status   | start_service_time |
+--------------+----------------+-----------------+----------+--------------------+
| 10.10.100.87 | META_OB_ZONE_2 |               1 | active   |   1679279220991796 |
| 10.10.100.9  | META_OB_ZONE_1 |               0 | deleting |   1679275725595691 |
| 122.44.11.2  | META_OB_ZONE_3 |               0 | active   |   1640097866698859 |
| 133.55.22.19 | META_OB_ZONE_1 |               0 | active   |   1686908200404755 |
+--------------+----------------+-----------------+----------+--------------------+
4 rows in set (0.01 sec)
MySQL [oceanbase]> select svr_ip, zone, with_rootserver, status, start_service_time from __all_server;
+--------------+----------------+-----------------+--------+--------------------+
| svr_ip       | zone           | with_rootserver | status | start_service_time |
+--------------+----------------+-----------------+--------+--------------------+
| 10.10.100.87 | META_OB_ZONE_2 |               1 | active |   1679279220991796 |
| 122.44.11.2  | META_OB_ZONE_3 |               0 | active |   1640097866698859 |
| 133.55.22.19 | META_OB_ZONE_1 |               0 | active |   1686908200404755 |
+--------------+----------------+-----------------+--------+--------------------+

（五）登录ocp_meta租户手工更新OCP服务器信息

####前面步骤处理完，ocp前台还可以看到残留的信息，需要替换下信息#####

55obffocp:~/t-oceanbase-antman # mysql -h10.10.100.87 -P2883 -uroot@ocp_meta#obcluster -p'rSf@jO%6EO' -Docp -c


MySQL [ocp]>  select * from compute_host where inner_ip_address='10.10.100.9'\G
*************************** 1. row ***************************
              id: 1
            name: ocp1a
     description: NULL
operating_system: 4.12.14-120-default
    architecture: x86_64
inner_ip_address: 10.10.100.9
        ssh_port: 2022
            kind: DEDICATED_PHYSICAL_MACHINE
   publish_ports: NULL
          status: ONLINE
          vpc_id: 1
          idc_id: 1
    host_type_id: 1
   serial_number: NULL
           alias: NULL
     create_time: 2021-09-26 21:04:11
     update_time: 2023-03-20 11:01:58
1 row in set (0.00 sec)

MySQL [ocp]> update compute_host set inner_ip_address='133.55.22.19', name='55obffocp' where inner_ip_address='10.10.100.9';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1  Changed: 1  Warnings: 0

MySQL [ocp]> select * from compute_host where id =1;
+----+-----------+-------------+---------------------+--------------+------------------+----------+----------------------------+---------------+--------+--------+--------+--------------+---------------+-------+---------------------+---------------------+
| id | name      | description | operating_system    | architecture | inner_ip_address | ssh_port | kind                       | publish_ports | status | vpc_id | idc_id | host_type_id | serial_number | alias | create_time         | update_time         |
+----+-----------+-------------+---------------------+--------------+------------------+----------+----------------------------+---------------+--------+--------+--------+--------------+---------------+-------+---------------------+---------------------+
|  1 | 55obffocp | NULL        | 4.12.14-120-default | x86_64       | 133.55.22.19     |     2022 | DEDICATED_PHYSICAL_MACHINE | NULL          | ONLINE |      1 |      1 |            1 | NULL          | NULL  | 2021-09-26 21:04:11 | 2023-06-16 17:47:19 |
+----+-----------+-------------+---------------------+--------------+------------------+----------+----------------------------+---------------+--------+--------+--------+--------------+---------------+-------+---------------------+---------------------+
1 row in set (0.00 sec)

（六）清理被替换机器上残留的服务

ocp1a:~/t-oceanbase-antman #  ./manage.sh -c ob,ocp,obproxy -l 10.10.100.9 -z 1 -R 'Dt!n(Rg4Av!t' -A OceanBase#123
grep: /etc/system-release: No such file or directory
[2023-06-16 22:45:44.101400] INFO [check conf file /root/t-oceanbase-antman/obcluster.conf format ...]
[2023-06-16 22:45:44.106779] INFO [conf file is upper case format.]
[2023-06-16 22:45:44.114437] INFO [SSH_AUTH=password SSH_USER=root SSH_PORT=22 SSH_PASSWORD= SSH_KEY_FILE=/root/.ssh/id_rsa]
LB_MODE=f5
INSTALL_COMPONENTS componets: 
CLEAR_COMPONENTS: ob obproxy ocp
IP_LIST: 10.10.100.9
ZONE_LIST: 1
ROOT_PASSWORD_LIST: Dt!n(Rg4Av!t
ADMIN_PASSWORD_LIST: OceanBase#123
[2023-06-16 22:45:44.474268] INFO [CLEAR_COMPONENT: ob START  ######################################]
cp: '/root/t-oceanbase-antman/uninstall.sh' and '/root/t-oceanbase-antman/uninstall.sh' are the same file
skip copy same file
cp: '/root/t-oceanbase-antman/obcluster.conf' and '/root/t-oceanbase-antman/obcluster.conf' are the same file
skip copy same file
cp: '/root/t-oceanbase-antman/common/utils.sh' and '/root/t-oceanbase-antman/common/utils.sh' are the same file
skip copy same file
grep: /etc/system-release: No such file or directory
[2023-06-16 22:45:44.504069] INFO [remove OB server and docker on host: 10.10.100.9]
[2023-06-16 22:45:44.548697] INFO [docker rm -f 62ab623cb4ed]
62ab623cb4ed
[2023-06-16 22:46:01.260706] INFO [remove OB server and docker on host: 10.10.100.9 done!]
[2023-06-16 22:46:01.370808] INFO [uninstall.sh ob  finished and reg.docker.alibaba-inc.com/antman/ob-docker:OB2276_x86_20210409 removed on 10.10.100.9]
[2023-06-16 22:46:01.375914] INFO [OB docker on 10.10.100.9 is removed]
[2023-06-16 22:46:01.380667] INFO [CLEAR_COMPONENT: ob DONE  ######################################]
[2023-06-16 22:46:01.385398] INFO [CLEAR_COMPONENT: obproxy START  ######################################]
cp: '/root/t-oceanbase-antman/uninstall.sh' and '/root/t-oceanbase-antman/uninstall.sh' are the same file
skip copy same file
cp: '/root/t-oceanbase-antman/obcluster.conf' and '/root/t-oceanbase-antman/obcluster.conf' are the same file
skip copy same file
cp: '/root/t-oceanbase-antman/common/utils.sh' and '/root/t-oceanbase-antman/common/utils.sh' are the same file
skip copy same file
grep: /etc/system-release: No such file or directory
[2023-06-16 22:46:01.416495] INFO [remove obproxy docker on host:10.10.100.9]
[2023-06-16 22:46:01.514215] INFO [docker rm -f 01bdcadf2e11]
01bdcadf2e11
[2023-06-16 22:46:01.765459] INFO [remove obproxy docker on host:10.10.100.9 done!]
[2023-06-16 22:46:01.858848] INFO [uninstall.sh obproxy  finished and reg.docker.alibaba-inc.com/antman/obproxy:OBP186_20210315 removed on 10.10.100.9]
[2023-06-16 22:46:01.863806] INFO [obproxy docker on 10.10.100.9 is removed]
[2023-06-16 22:46:01.868778] INFO [CLEAR_COMPONENT: obproxy DONE  ######################################]
[2023-06-16 22:46:01.873368] INFO [CLEAR_COMPONENT: ocp START  ######################################]
cp: '/root/t-oceanbase-antman/uninstall.sh' and '/root/t-oceanbase-antman/uninstall.sh' are the same file
skip copy same file
cp: '/root/t-oceanbase-antman/obcluster.conf' and '/root/t-oceanbase-antman/obcluster.conf' are the same file
skip copy same file
cp: '/root/t-oceanbase-antman/common/utils.sh' and '/root/t-oceanbase-antman/common/utils.sh' are the same file
skip copy same file
grep: /etc/system-release: No such file or directory
[2023-06-16 22:46:01.906934] INFO [remove ocp docker on host:10.10.100.9]
[2023-06-16 22:46:01.944811] INFO [docker rm -f 8b044744a92e]
8b044744a92e
[2023-06-16 22:46:26.162467] INFO [remove ocp docker on host:10.10.100.9 done]
[2023-06-16 22:46:26.253927] INFO [uninstall.sh ocp  finished and reg.docker.alibaba-inc.com/oceanbase/ocp-all-in-one:3.3.3-20220906114643 removed on 10.10.100.9]
[2023-06-16 22:46:26.258281] INFO [ocp docker on 10.10.100.9 is removed]
[2023-06-16 22:46:26.263047] INFO [CLEAR_COMPONENT: ocp DONE  ######################################]
ocp1a:~/t-oceanbase-antman # docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES

报错记录及处理：

  • manage脚本执行报错

    55obffocp:~/t-oceanbase-antman # ./manage.sh -i ob,ocp,obproxy -l 133.55.22.19 -z 1 -R Jnydzycscc@123 -A OceanBase#123
    [2023-06-16 16:31:03.305062] INFO [check conf file /root/t-oceanbase-antman/obcluster.conf format ...]
    [2023-06-16 16:31:03.309079] INFO [conf file is upper case format.]
    [2023-06-16 16:31:03.315290] INFO [SSH_AUTH=password SSH_USER=root SSH_PORT=22 SSH_PASSWORD= SSH_KEY_FILE=/root/.ssh/id_rsa]
    LB_MODE=f5
    INSTALL_COMPONENTS componets: ob obproxy ocp
    CLEAR_COMPONENTS:
    IP_LIST: 133.55.22.19
    ZONE_LIST: 1
    ROOT_PASSWORD_LIST: Jnydzycscc@123
    ADMIN_PASSWORD_LIST: OceanBase#123
    /root/t-oceanbase-antman/common/utils.sh: line 484: -e: command not found
    [2023-06-16 16:31:03.636862] ERROR [: ssh authorization to 133.55.22.19 failed, Please check SSH affinity environment varialbes.]

######这个问题也需要修改脚本代码解决#########

  • 执行alter system delete server 命令之后很久被替换的server没有delete掉，一直是deleting状态，检查发现ocp的meta库内存参数调整过，新加的server参数小，导致unit迁移卡住。

    MySQL [oceanbase]> select svr_ip, zone, with_rootserver, status, start_service_time from __all_server;
    +--------------+----------------+-----------------+----------+--------------------+
    | svr_ip | zone | with_rootserver | status | start_service_time |
    +--------------+----------------+-----------------+----------+--------------------+
    | 10.10.100.87 | META_OB_ZONE_2 | 1 | active | 1679279220991796 |
    | 10.10.100.9 | META_OB_ZONE_1 | 0 | deleting | 1679275725595691 |
    | 122.44.11.2 | META_OB_ZONE_3 | 0 | active | 1640097866698859 |
    | 133.55.22.19 | META_OB_ZONE_1 | 0 | active | 1686908200404755 |
    +--------------+----------------+-----------------+----------+--------------------+
    4 rows in set (0.01 sec)

    MySQL [oceanbase]> select count(*),svr_ip from gvunit group by svr_ip; +----------+--------------+ | count(*) | svr_ip | +----------+--------------+ | 27 | 133.55.22.19 | | 33 | 10.10.100.87 | | 33 | 122.44.11.2 | | 6 | 10.10.100.9 | +----------+--------------+ 4 rows in set (0.01 sec) MySQL [oceanbase]> select * from gvunit where svr_ip='10.10.100.9';
    +---------+----------------+---------------------------------------------+------------------+----------------------------------------+----------------+-----------+-------------+-------------+----------+---------------------+-----------------------+---------+---------+-------------+-------------+----------+----------+---------------+-----------------+
    | unit_id | unit_config_id | unit_config_name | resource_pool_id | resource_pool_name | zone | tenant_id | tenant_name | svr_ip | svr_port | migrate_from_svr_ip | migrate_from_svr_port | max_cpu | min_cpu | max_memory | min_memory | max_iops | min_iops | max_disk_size | max_session_num |
    +---------+----------------+---------------------------------------------+------------------+----------------------------------------+----------------+-----------+-------------+-------------+----------+---------------------+-----------------------+---------+---------+-------------+-------------+----------+----------+---------------+-----------------+
    | 1106 | 1090 | config_oms_tt_tenant_META_OB_ZONE_1_S2_gpa | 1080 | pool_oms_tt_tenant_META_OB_ZONE_1_gpa | META_OB_ZONE_1 | NULL | NULL | 10.10.100.9 | 2882 | | 0 | 3 | 3 | 12884901888 | 12884901888 | 2500 | 2500 | 536870912000 | 750 |
    | 1139 | 1094 | oms_unit | 1129 | oms_ff9_tenant_resource_pool | META_OB_ZONE_1 | NULL | NULL | 10.10.100.9 | 2882 | | 0 | 2 | 2 | 5368709120 | 4294967296 | 128 | 128 | 5368709120 | 10000 |
    | 1122 | 1097 | config_oms_c55_tenant_META_OB_ZONE_1_S1_ifu | 1088 | pool_oms_c55_tenant_META_OB_ZONE_1_ifu | META_OB_ZONE_1 | NULL | NULL | 10.10.100.9 | 2882 | | 0 | 1.5 | 1.5 | 6442450944 | 6442450944 | 1250 | 1250 | 536870912000 | 375 |
    | 1126 | 1100 | config_oms_ff6_tenant_META_OB_ZONE_1_S1_uzz | 1092 | pool_oms_ff6_tenant_META_OB_ZONE_1_uzz | META_OB_ZONE_1 | NULL | NULL | 10.10.100.9 | 2882 | | 0 | 1.5 | 1.5 | 6442450944 | 6442450944 | 1250 | 1250 | 536870912000 | 375 |
    | 1127 | 1101 | config_oms_ff7_tenant_META_OB_ZONE_1_S1_gkj | 1093 | pool_oms_ff7_tenant_META_OB_ZONE_1_gkj | META_OB_ZONE_1 | NULL | NULL | 10.10.100.9 | 2882 | | 0 | 1.5 | 1.5 | 6442450944 | 6442450944 | 1250 | 1250 | 536870912000 | 375 |
    | 1135 | 1108 | config_oms_cc8_tenant_META_OB_ZONE_1_S1_wwo | 1101 | pool_oms_cc8_tenant_META_OB_ZONE_1_wwo | META_OB_ZONE_1 | NULL | NULL | 10.10.100.9 | 2882 | | 0 | 1.5 | 1.5 | 6442450944 | 6442450944 | 1250 | 1250 | 536870912000 | 375 |
    +---------+----------------+---------------------------------------------+------------------+----------------------------------------+----------------+-----------+-------------+-------------+----------+---------------------+-----------------------+---------+---------+-------------+-------------+----------+----------+---------------+-----------------+
    6 rows in set (0.02 sec)

    MySQL [oceanbase]> alter system migrate unit=1106 destination='133.55.22.19:2882';
    ERROR 4624 (HY000): machine resource is not enough to hold a new unit ----------------手动去迁移报资源不足

    MySQL [oceanbase]> select zone,svr_ip, cpu_total, cpu_assigned,cpu_assigned_percent cpu_ass_pct, round(mem_total/1024/1024/1024) mem_total_gb,
    -> round(mem_assigned/1024/1024/1024) mem_ass_gb, mem_assigned_percent mem_ass_pct, unit_num, migrating_unit_num, leader_count, round(load,2) load
    -> from __all_virtual_server_stat
    -> order by zone, svr_ip; ---------------------检查资源发现内存不足
    +----------------+--------------+-----------+--------------+-------------+--------------+------------+-------------+----------+--------------------+--------------+------+
    | zone | svr_ip | cpu_total | cpu_assigned | cpu_ass_pct | mem_total_gb | mem_ass_gb | mem_ass_pct | unit_num | migrating_unit_num | leader_count | load |
    +----------------+--------------+-----------+--------------+-------------+--------------+------------+-------------+----------+--------------------+--------------+------+
    | META_OB_ZONE_1 | 10.10.100.9 | 62 | 11 | 17 | 250 | 40 | 16 | 6 | 0 | 0 | 0.17 |
    | META_OB_ZONE_1 | 133.55.22.19 | 62 | 48 | 77 | 204 | 196 | 96 | 27 | 0 | 0 | 0.87 |
    | META_OB_ZONE_2 | 10.10.100.87 | 62 | 59 | 95 | 250 | 236 | 94 | 33 | 0 | 2935 | 0.95 |
    | META_OB_ZONE_3 | 122.44.11.2 | 62 | 59 | 95 | 250 | 236 | 94 | 33 | 0 | 1051 | 0.95 |

    MySQL [oceanbase]> show parameters like '%memory_limit%'
    ;
    | META_OB_ZONE_3 | observer | 122.44.11.2 | 2882 | memory_limit | NULL | 300G | the size of the memory reserved for internal use(for testing purpose). Range: [0M,) | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
    | META_OB_ZONE_1 | observer | 133.55.22.19 | 2882 | memory_limit | NULL | 254G | the size of the memory reserved for internal use(for testing purpose). Range: [0M,) | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
    | META_OB_ZONE_2 | observer | 10.10.100.87 | 2882 | memory_limit | NULL | 300G | the size of the memory reserved for internal use(for testing purpose). Range: [0M,) | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |
    | META_OB_ZONE_1 | observer | 10.10.100.9 | 2882 | memory_limit | NULL | 300G | the size of the memory reserved for internal use(for testing purpose). Range: [0M,) | OBSERVER | CLUSTER | DEFAULT | DYNAMIC_EFFECTIVE |

    MySQL [oceanbase]> alter system set memory_limit ='300G' ;
    Query OK, 0 rows affected (0.05 sec)

    MySQL [oceanbase]> select count(),svr_ip from gv$unit group by svr_ip;
    +----------+--------------+
    | count(    ) | svr_ip |
    +----------+--------------+
    | 33 | 133.55.22.19 |
    | 33 | 10.10.100.87 |
    | 33 | 122.44.11.2 |
    +----------+--------------+
    3 rows in set (0.00 sec)

    MySQL [oceanbase]> select svr_ip, zone, with_rootserver, status, start_service_time from __all_server;
    +--------------+----------------+-----------------+--------+--------------------+
    | svr_ip | zone | with_rootserver | status | start_service_time |
    +--------------+----------------+-----------------+--------+--------------------+
    | 10.10.100.87 | META_OB_ZONE_2 | 1 | active | 1679279220991796 |
    | 122.44.11.2 | META_OB_ZONE_3 | 0 | active | 1640097866698859 |
    | 133.55.22.19 | META_OB_ZONE_1 | 0 | active | 1686908200404755 |
    +--------------+----------------+-----------------+--------+--------------------+
    3 rows in set (0.00 sec)

总结：

到这里使用antman脚本的方式去替换ocp机器的操作就结束了，包括前面一篇使用oat替换ocp节点的文章可能看起来没什么难度，但是整个过程来回做了好几遍，为了别人以后少踩坑，所以写了这两篇文章分享。如果看了上篇文章的话应该知道oat替换ocp的时候，新加机器是在metadb中新创建了一个zone，然后再把被替换机器下掉，其中还涉及新建资源池修改Locality，增加副本数等操作。其实使用antman脚本的话这个步骤就不太一样，他是将新机器加入到需要替换机器的同一个zone内，然后做同zone内unit的迁移，然后把被替换的机器下线，现阶段的话，相对来说antman替换之后对于ocp的元数据的影响小一些，但是oat黑屏的操作少些，对于obproxy单独docker的前期场景必须使用antman，后期版本就看大家自己酌情选择了。

行之所向，莫问远方。

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