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feat(infra): add second OPC UA server instance (opcua2) on port 50010

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Enables multi-server testing with independent state. Both instances
share the same nodes.json tag config. Updated all infra documentation.
This commit is contained in:
Joseph Doherty
2026-03-22 07:31:18 -04:00
parent ac44122bf7
commit efed8352c3
4 changed files with 49 additions and 10 deletions
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25
docs/test_infra/test_infra_opcua.md
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@@ -6,9 +6,14 @@ The test OPC UA server uses [Azure IoT OPC PLC](https://github.com/Azure-Samples
## Image & Ports
Two identical OPC UA server instances run with the same tag configuration, on different ports:
| Instance | OPC UA Endpoint | Web UI | Container |
|----------|----------------|--------|-----------|
| opcua | `opc.tcp://localhost:50000` | `http://localhost:8080` | scadalink-opcua |
| opcua2 | `opc.tcp://localhost:50010` | `http://localhost:8081` | scadalink-opcua2 |
- **Image**: `mcr.microsoft.com/iotedge/opc-plc:latest`
- **OPC UA endpoint**: `opc.tcp://localhost:50000`
- **Web/config UI**: `http://localhost:8080`
## Startup Flags
@@ -43,20 +48,21 @@ The browse path from the Objects root is: `OpcPlc > ScadaLink > Motor|Pump|Tank|
## Verification
1. Check the container is running:
1. Check both containers are running:
```bash
docker ps --filter name=scadalink-opcua
```
2. Verify the OPC UA endpoint using any OPC UA client (e.g., UaExpert, opcua-commander):
2. Verify both OPC UA endpoints using any OPC UA client (e.g., UaExpert, opcua-commander):
```bash
# Using opcua-commander (npm install -g opcua-commander)
opcua-commander -e opc.tcp://localhost:50000
opcua-commander -e opc.tcp://localhost:50010
```
3. Check the web UI at `http://localhost:8080` for server status and node listing.
3. Check the web UIs at `http://localhost:8080` (opcua) and `http://localhost:8081` (opcua2) for server status and node listing.
## CLI Tool
@@ -89,7 +95,14 @@ python infra/tools/opcua_tool.py write --node "ns=3;s=Motor.Running" --value tru
python infra/tools/opcua_tool.py monitor --nodes "ns=3;s=Motor.Speed,ns=3;s=Pump.FlowRate" --duration 15
```
Use `--endpoint` to override the default endpoint (`opc.tcp://localhost:50000`). Run with `--help` for full usage.
Use `--endpoint` to override the default endpoint (`opc.tcp://localhost:50000`). For the second instance:
```bash
python infra/tools/opcua_tool.py --endpoint opc.tcp://localhost:50010 check
python infra/tools/opcua_tool.py --endpoint opc.tcp://localhost:50010 browse --path "3:OpcPlc.3:ScadaLink.3:Motor"
```
Run with `--help` for full usage.
## Relevance to ScadaLink Components