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Open-IM-Server/tools/data-conversion/README.md

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# OpenIM V2 至 V3 数据迁移指南
该指南提供了从 OpenIM V2 迁移至 V3 的详细步骤。请确保在开始迁移过程之前,熟悉所有步骤,并按照指南准确执行。
+ [OpenIM Chat](https://github.com/OpenIMSDK/chat)
+ [OpenIM Server](https://github.com/OpenIMSDK/Open-IM-Server)
### 1. 数据备份
在开始数据迁移之前,强烈建议备份所有相关的数据以防止任何可能的数据丢失。
### 2. 迁移 OpenIM MySQL 数据
feat: Remove MySQL and implement it all with Mongo (#1508) * fix: GetUserReqApplicationList error when there is a disbanded group chat * fix: error when querying some information about disbanded group * fix: GetUserReqApplicationList dismissed group error * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * merge * cicd: robot automated Change * sdkws.MsgData * user * interface{} -> any * user * third * group * group * group * group * group * group * conversation * standalone mysql db model * tx * s3 * group * mongo * group * group * group * group * group * group * refactor: add openim mysql to mongo refactor Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * refactor: add openim mysql to mongo refactor Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * remove mysql * remove mysql * friend * friend * friend * friend * friend * friend * group * convert * index * index * all * all * mysql2mongo * data conversion * up35 * up35 * feat: add format set Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * fix: fix scripts Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * merge main * merge main * Update init-config.sh * fix: user args check --------- Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> Co-authored-by: withchao <withchao@users.noreply.github.com> Co-authored-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> Co-authored-by: Xinwei Xiong <3293172751@qq.com>
7 months ago
+ 位置: `open-im-server/tools/data-conversion/openim/cmd/conversion-mysql.go`
+ 配置 `conversion-mysql.go` 文件中的数据库信息。
+ 手动创建 V3 版本的数据库,并确保字符集为 `utf8mb4`
```bash
// V2 数据库配置
var (
usernameV2 = "root"
passwordV2 = "openIM"
addrV2 = "127.0.0.1:13306"
databaseV2 = "openIM_v2"
)
// V3 数据库配置
var (
usernameV3 = "root"
passwordV3 = "openIM123"
addrV3 = "127.0.0.1:13306"
databaseV3 = "openim_v3"
)
```
**执行数据迁移命令:**
```bash
make build BINS="conversion-mysql"
```
启动的二进制在 `_output/bin/tools`
### 3. 转换聊天消息(可选)
+ 只支持转换存储在 Kafka 中的消息。
feat: Remove MySQL and implement it all with Mongo (#1508) * fix: GetUserReqApplicationList error when there is a disbanded group chat * fix: error when querying some information about disbanded group * fix: GetUserReqApplicationList dismissed group error * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * merge * cicd: robot automated Change * sdkws.MsgData * user * interface{} -> any * user * third * group * group * group * group * group * group * conversation * standalone mysql db model * tx * s3 * group * mongo * group * group * group * group * group * group * refactor: add openim mysql to mongo refactor Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * refactor: add openim mysql to mongo refactor Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * remove mysql * remove mysql * friend * friend * friend * friend * friend * friend * group * convert * index * index * all * all * mysql2mongo * data conversion * up35 * up35 * feat: add format set Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * fix: fix scripts Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * merge main * merge main * Update init-config.sh * fix: user args check --------- Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> Co-authored-by: withchao <withchao@users.noreply.github.com> Co-authored-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> Co-authored-by: Xinwei Xiong <3293172751@qq.com>
7 months ago
+ 位置: `open-im-server/tools/data-conversion/openim/conversion-msg/conversion-msg.go`
+ 配置 `msg.go` 文件中的消息和服务器信息。
```bash
var (
topic = "ws2ms_chat" // V2 版本 Kafka 主题
kafkaAddr = "127.0.0.1:9092" // V2 版本 Kafka 地址
rpcAddr = "127.0.0.1:10130" // V3 版本 RPC 地址
adminUserID = "openIM123456" // V3 版本管理员用户ID
concurrency = 4 // 并发数量
)
```
**执行数据迁移命令:**
```bash
make build BINS="conversion-msg"
```
### 4. 转换业务服务器数据
+ 只支持转换存储在 Kafka 中的消息。
feat: Remove MySQL and implement it all with Mongo (#1508) * fix: GetUserReqApplicationList error when there is a disbanded group chat * fix: error when querying some information about disbanded group * fix: GetUserReqApplicationList dismissed group error * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * fix: the original message referenced by the pull message processing is withdrawn * merge * cicd: robot automated Change * sdkws.MsgData * user * interface{} -> any * user * third * group * group * group * group * group * group * conversation * standalone mysql db model * tx * s3 * group * mongo * group * group * group * group * group * group * refactor: add openim mysql to mongo refactor Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * refactor: add openim mysql to mongo refactor Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * remove mysql * remove mysql * friend * friend * friend * friend * friend * friend * group * convert * index * index * all * all * mysql2mongo * data conversion * up35 * up35 * feat: add format set Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * fix: fix scripts Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> * merge main * merge main * Update init-config.sh * fix: user args check --------- Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> Co-authored-by: withchao <withchao@users.noreply.github.com> Co-authored-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com> Co-authored-by: Xinwei Xiong <3293172751@qq.com>
7 months ago
+ 位置: `open-im-server/tools/data-conversion/chat/cmd/conversion-chat/chat.go`
+ 需要手动创建 V3 版本的数据库,并确保字符集为 `utf8mb4`
+ 配置 `main.go` 文件中的数据库信息。
```bash
// V2 数据库配置
var (
usernameV2 = "root"
passwordV2 = "openIM"
addrV2 = "127.0.0.1:13306"
databaseV2 = "admin_chat"
)
// V3 数据库配置
var (
usernameV3 = "root"
passwordV3 = "openIM123"
addrV3 = "127.0.0.1:13306"
databaseV3 = "openim_enterprise"
)
```
**执行数据迁移命令:**
```bash
make build BINS="conversion-chat"
```