969b0847a1
Rewrite src/ and tests/ project paths in docs, CLAUDE.md, README.md, and test-fixture READMEs to the new module-folder layout (Core/Server/Drivers/ Client/Tooling). References to retired v1 projects (Galaxy.Host/Proxy/Shared, the legacy monolithic test projects) are left untouched. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
104 lines
3.7 KiB
Markdown
104 lines
3.7 KiB
Markdown
# opc-plc Docker fixture
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[Microsoft Industrial IoT's opc-plc](https://github.com/Azure-Samples/iot-edge-opc-plc)
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— pinned Docker image that stands up an OPC UA server at
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`opc.tcp://localhost:50000` with step-up counters, random nodes, alarm
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simulation, and other canonical simulated shapes. Replaces the PowerShell
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launcher pattern used by the Modbus / S7 fixtures — Docker is the launcher
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here since opc-plc ships pre-containerized.
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| File | Purpose |
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|---|---|
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| [`docker-compose.yml`](docker-compose.yml) | Service definition for `otopcua-opc-plc` — image pin, port map, command flags. |
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| (this file) | How to run it. |
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## Install
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Docker Desktop (Windows) or the docker CLI + daemon (Linux/macOS). Per
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`CLAUDE.md` Phase 1 decision #134 the dev box already has Docker Desktop
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configured with the WSL 2 backend — nothing new to install.
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## Run
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From the repo root:
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```powershell
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docker compose -f tests\Drivers\ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.IntegrationTests\Docker\docker-compose.yml up
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```
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Or from this folder:
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```powershell
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docker compose up
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```
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First run pulls the image (~250 MB). Startup takes ~5-10 seconds; the
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healthcheck in the compose file surfaces ready state in `docker ps`.
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To run detached (CI pattern):
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```powershell
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docker compose up -d
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```
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Stop with `docker compose down` (removes the container) or `docker compose stop`
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(keeps it for fast restart).
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## Endpoint
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- Default: `opc.tcp://localhost:50000`
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- Override by setting `OPCUA_SIM_ENDPOINT` before `dotnet test` — e.g. point
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at a real OPC UA server in the lab, or at a different Docker host.
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## What opc-plc advertises
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Command flags in `docker-compose.yml` enable:
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- `--pn=50000` — OPC UA endpoint on port 50000
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- `--ut` — unsecured transport endpoint advertised (SecurityPolicy=None).
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Secured policies are still on the endpoint list; `--ut` just adds an
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unsecured option.
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- `--aa` — auto-accept client certs (opc-plc's cert trust store lives
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inside the container + resets each spin-up, so without this the driver's
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first contact would be rejected).
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- `--alm` — alarm simulation enabled; opc-plc publishes
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`TripAlarmType`, `ExclusiveDeviationAlarmType`,
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`NonExclusiveLevelAlarmType`, and `DialogConditionType` events.
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Not turned on (but available via compose-file tweaks):
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- `--daa` — disable anonymous auth; forces username or cert tokens. Flip
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on when username-auth / cert-auth smoke tests land.
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- `--fn` / `--fr` / `--ft` — fast-node variants (100 / 1 000 / 10 000 Hz
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update rates) for subscription-stress coverage. Not needed for smoke.
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- `--sn` / `--sr` — slow-node / special-shape coverage.
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## Run the integration tests
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In a separate shell, with the simulator running:
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```powershell
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cd C:\Users\dohertj2\Desktop\lmxopcua
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dotnet test tests\Drivers\ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient.IntegrationTests
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```
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Tests auto-skip with a clear `SkipReason` when `localhost:50000` isn't
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reachable within 2 seconds (`OpcPlcFixture`).
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## Known limitations
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opc-plc uses the OPCFoundation.NetStandard stack internally — same as
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our driver. That means bugs common to the stack itself are **not** caught
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by this fixture; the follow-up to add `open62541/open62541` as a second
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independent-stack image (task tracked in #215's follow-ups) would close
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that.
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See [`docs/drivers/OpcUaClient-Test-Fixture.md`](../../../docs/drivers/OpcUaClient-Test-Fixture.md)
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for the full coverage map + what's still trusted from field deployments.
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## References
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- [opc-plc GitHub](https://github.com/Azure-Samples/iot-edge-opc-plc)
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- [mcr.microsoft.com/iotedge/opc-plc tags](https://mcr.microsoft.com/v2/iotedge/opc-plc/tags/list)
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- [`docs/drivers/OpcUaClient-Test-Fixture.md`](../../../docs/drivers/OpcUaClient-Test-Fixture.md)
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