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update plugins doc (#1305)
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# 功能说明
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---
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title: OPA
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keywords: [higress,opa]
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description: OPA 策略控制插件配置参考
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---
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## 功能说明
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该插件实现了 `OPA` 策略控制
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# 该教程使用k8s,[k8s配置文件](../../../../test/e2e/conformance/tests/go-wasm-opa.yaml)
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## 运行属性
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支持client `k8s,nacos,ip,route` 策略去访问
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插件执行阶段:`认证阶段`
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插件执行优先级:`225`
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## 配置字段
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@@ -18,8 +25,6 @@
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| servicePort | string | 非必填 | - | 服务端口(serviceSource为`k8s,nacos,ip`必填) |
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| namespace | string | 非必填 | - | 服务端口(serviceSource为`k8s,nacos`必填) |
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这是一个用于OPA认证配置的表格,确保在提供所有必要的信息时遵循上述指导。
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## 配置示例
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```yaml
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@@ -31,15 +36,15 @@ policy: example1
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timeout: 5s
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```
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# 在宿主机上执行OPA的流程
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## OPA 服务安装参考
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## 启动opa服务
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### 启动 OPA 服务
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```shell
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docker run -d --name opa -p 8181:8181 openpolicyagent/opa:0.35.0 run -s
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```
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## 创建opa策略
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### 创建 OPA 策略
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```shell
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curl -X PUT '127.0.0.1:8181/v1/policies/example1' \
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@@ -56,46 +61,10 @@ allow {
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}'
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```
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## 查询策略
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### 查询策略
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```shell
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curl -X POST '127.0.0.1:8181/v1/data/example1/allow' \
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-H 'Content-Type: application/json' \
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-d '{"input":{"request":{"method":"GET"}}}'
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```
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# 测试插件
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## 打包 WASM 插件
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> 在 `wasm-go` 目录下把Dockerfile文件改成`PLUGIN_NAME=opa`,然后执行以下命令
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```shell
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docker build -t build-wasm-opa --build-arg GOPROXY=https://goproxy.cn,direct --platform=linux/amd64 .
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```
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## 拷贝插件
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> 在当前的目录执行以下命令,将插件拷贝当前的目录
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```shell
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docker cp wasm-opa:/plugin.wasm .
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```
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## 运行插件
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> 运行前修改envoy.yaml 这两个字段 `OPA_SERVER` `OPA_PORT` 替换宿主机上的IP和端口
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```shell
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docker compose up
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```
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## 使用curl测试插件
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```shell
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curl http://127.0.0.1:10000/get -X GET -v
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```
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```shell
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curl http://127.0.0.1:10000/get -X POST -v
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```
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58
plugins/wasm-go/extensions/opa/README_EN.md
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58
plugins/wasm-go/extensions/opa/README_EN.md
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@@ -0,0 +1,58 @@
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---
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title: OPA
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keywords: [higress,opa]
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description: OPA policy control plugin configuration reference
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---
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## Function Description
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This plugin implements `OPA` policy control.
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## Running Attributes
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Plugin Execution Phase: `Authentication Phase`
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Plugin Execution Priority: `225`
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## Configuration Fields
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| Field | Data Type | Required | Default Value | Description |
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|------------------|-------------|----------|---------------|-----------------------------------------------|
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| policy | string | Required | - | OPA Policy |
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| timeout | string | Required | - | Timeout setting for access |
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| serviceSource | string | Required | - | k8s, nacos, ip, route |
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| host | string | Optional | - | Service host (required if serviceSource is `ip`) |
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| serviceName | string | Optional | - | Service name (required if serviceSource is `k8s,nacos,ip`) |
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| servicePort | string | Optional | - | Service port (required if serviceSource is `k8s,nacos,ip`) |
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| namespace | string | Optional | - | Namespace (required if serviceSource is `k8s,nacos`) |
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## Configuration Example
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```yaml
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serviceSource: k8s
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serviceName: opa
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servicePort: 8181
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namespace: higress-backend
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policy: example1
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timeout: 5s
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```
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## OPA Service Installation Reference
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### Start OPA Service
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```shell
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docker run -d --name opa -p 8181:8181 openpolicyagent/opa:0.35.0 run -s
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```
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### Create OPA Policy
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```shell
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curl -X PUT '127.0.0.1:8181/v1/policies/example1' \
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-H 'Content-Type: text/plain' \
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-d 'package example1
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import input.request
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default allow = false
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allow {
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# HTTP method must GET
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request.method == "GET"
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}'
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```
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### Query Policy
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```shell
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curl -X POST '127.0.0.1:8181/v1/data/example1/allow' \
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-H 'Content-Type: application/json' \
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-d '{"input":{"request":{"method":"GET"}}}'
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```
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