Merge pull request #74 from UM-Bridge/julia

Add julia model server and test via CI

.github/workflows/client-julia-example.yml

@@ -0,0 +1,30 @@
+name: client-julia-example
+
+on:
+  push:
+  pull_request:
+    branches:
+      - 'main'
+
+jobs:
+
+  test:
+    runs-on: ubuntu-latest
+    container: ubuntu:latest
+
+    services:
+      model:
+        image: linusseelinger/model-exahype-tsunami:latest
+        ports:
+        - 4242:4242
+
+    steps:
+       -
+        name: Checkout
+        uses: actions/checkout@v2
+       -
+        uses: julia-actions/setup-julia@latest
+       -
+        name: Build and run
+        run: |
+          cd clients/julia && julia -e 'using Pkg; Pkg.add("UMBridge")' juliaClient.jl

.github/workflows/model-testmodel-julia.yml

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+name: model-testmodel-julia
+
+on:
+  push:
+    branches:
+      - 'main'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: models/testmodel-julia/
+          push: true
+          tags: linusseelinger/model-testmodel-julia:latest
+
+  test:
+    runs-on: ubuntu-latest
+    needs: build
+
+    services:
+      model:
+        image: linusseelinger/model-testmodel-julia:latest
+        ports:
+        - 4242:4242
+
+    steps:
+       -
+        name: Validate
+        run: |
+          docker run --network=host -e model_host=http://localhost:4242 linusseelinger/testing-protocol-conformity-current:latest

models/testmodel-julia/Dockerfile

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+FROM ubuntu:latest
+
+COPY minimal-server.jl /
+
+RUN apt update && \
+    DEBIAN_FRONTEND="noninteractive" apt install -y curl
+
+ENV JULIA_PATH /usr/local/julia
+ENV PATH $JULIA_PATH/bin:$PATH
+
+RUN curl -fsSL https://install.julialang.org | sh -s -- -y
+
+CMD julia minimal-server.jl

models/testmodel-julia/minimal-server.jl

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+import Pkg
+
+tempdir = mktempdir()
+Pkg.activate(tempdir)
+Pkg.add(["UMBridge"])
+
+using UMBridge
+
+testmodel = UMBridge.Model(
+    name = "forward",
+    inputSizes = [1],
+    outputSizes = [1],
+    supportsGradient = true,
+    evaluate = (input, config) -> 2 * input[1],
+    gradient = (outWrt, inWrt, input, sens, config) -> 2 * sens[1]
+)
+
+UMBridge.serve_models([testmodel], 4242)