157 lines
4.1 KiB
Markdown
157 lines
4.1 KiB
Markdown
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# CosyVoice访问OSS配置指南
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## 问题说明
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CosyVoice复刻服务需要访问OSS存储的音频文件，但默认情况下CosyVoice没有访问用户OSS的权限。
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## 解决方案：配置RAM权限
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### 1. 创建RAM角色
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在阿里云RAM控制台创建角色，允许CosyVoice服务访问OSS：
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```json
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{
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"Version": "1",
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"Statement": [
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{
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"Effect": "Allow",
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"Action": [
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"oss:GetObject",
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"oss:HeadObject"
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],
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"Resource": [
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"acs:oss:*:*:{bucket-name}/*"
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]
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}
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]
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}
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```
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**参数说明：**
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- `{bucket-name}`：替换为你的OSS存储桶名称
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### 2. 配置信任策略
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为RAM角色添加信任策略，允许DashScope服务扮演该角色：
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```json
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{
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"Version": "1",
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"Statement": [
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{
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"Effect": "Allow",
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"Principal": {
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"Service": [
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"dashscope.aliyuncs.com"
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]
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},
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"Action": "sts:AssumeRole"
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}
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]
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}
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```
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### 3. 授权步骤（控制台操作）
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**步骤1：创建自定义权限策略**
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1. 登录阿里云控制台 → 访问控制(RAM) → 权限管理 → 权限策略
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2. 点击"创建策略"
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3. 选择"脚本配置"
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4. 粘贴上述JSON权限策略
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5. 策略名称：`CosyVoice-OSS-Access`
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6. 点击"确定"
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**步骤2：创建RAM角色**
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1. RAM → 身份管理 → 角色 → 创建角色
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2. 选择"阿里云服务" → "DashScope"
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3. 输入角色名称：`CosyVoice-OSS-Role`
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4. 完成创建
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**步骤3：授权角色访问OSS**
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1. 在角色详情页面，点击"添加权限"
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2. 搜索并添加：
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- `AliyunOSSReadOnlyAccess`（阿里云OSS只读权限）
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- `CosyVoice-OSS-Access`（自定义权限）
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3. 点击"确定"
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**步骤4：获取ARN**
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在角色详情页面，复制"ARN"：
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```
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acs:ram::{你的AccountID}:role/CosyVoice-OSS-Role
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```
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### 4. 配置application.yaml
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在 `yudao-server/src/main/resources/application.yaml` 中添加：
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```yaml
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yudao:
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cosyvoice:
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# ... 其他配置
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# RAM角色ARN（用于授权CosyVoice访问OSS）
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ram-role-arn: "acs:ram::{AccountID}:role/CosyVoice-OSS-Role"
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```
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### 5. 修改OSS访问方式
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在 `CosyVoiceClient.buildClonePayload()` 中，添加授权信息：
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```java
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// 在请求头中添加Authorization
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Request httpRequest = new Request.Builder()
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.url(properties.getVoiceEnrollmentUrl())
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.addHeader("Authorization", "Bearer " + properties.getApiKey())
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.addHeader("Content-Type", "application/json")
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// 添加STS临时凭证（需要先调用AssumeRole获取临时凭证）
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.addHeader("x-acs-security-token", "{security-token}")
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.post(RequestBody.create(payload.getBytes(StandardCharsets.UTF_8), JSON))
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.build();
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```
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### 6. 获取STS临时凭证（Java代码）
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```java
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import com.aliyun.sts20150401.Client;
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import com.aliyun.sts20150401.models.AssumeRoleRequest;
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import com.aliyun.sts20150401.models.AssumeRoleResponse;
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public String getSecurityToken() {
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// 需要配置RAM角色ARN和访问密钥
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AssumeRoleRequest request = new AssumeRoleRequest()
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.setRoleArn(properties.getRamRoleArn())
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.setRoleSessionName("cosyvoice-session");
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AssumeRoleResponse response = client.assumeRole(request);
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return response.body.credentials.securityToken;
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}
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```
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### 7. 完整实现思路
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1. **本地开发**：使用STS临时凭证
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2. **生产环境**：
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- 方案A：配置RAM角色，让CosyVoice直接访问OSS
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- 方案B：将音频文件上传到CosyVoice可访问的公共OSS存储桶
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## 替代方案：使用公共OSS存储桶
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如果RAM权限配置复杂，可以：
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1. 创建公共可读的OSS存储桶
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2. 将音频文件上传到该存储桶
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3. 使用公共URL进行复刻
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**注意**：公共存储桶存在安全风险，仅用于测试！
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## 验证配置
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配置完成后，重新测试语音复刻功能：
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1. 查看日志中的请求URL是否可公网访问
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2. 查看是否还有"url error"错误
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3. 查看复刻是否成功返回voice_id
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## 参考资料
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- [阿里云RAM权限管理](https://help.aliyun.com/zh/ram/instance/role/parameter-overview)
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- [STS临时凭证](https://help.aliyun.com/zh/acs/STS/usage-scenarios/usage-scenarios)
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- [CosyVoice错误代码](https://help.aliyun.com/zh/model-studio/error-code#error-url)
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