Add CI (#2)

.github/workflows/example_test.yml

@@ -0,0 +1,30 @@
+on:
+  push:
+
+name: test example
+
+jobs:
+  run-example-test-plans:
+    name: "Run example plan"
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Setup testground
+        uses: "libp2p/test-plans/.github/actions/setup-testground@master"
+
+      - uses: actions/checkout@v2
+
+      - name: Import the plan
+        run: testground plan import --name simple_tcp_ping --from examples/simple_tcp_ping
+
+      - name: Build the composition
+        env:
+          SdkGitRef: ${{ github.GITHUB_SHA }}
+        run: testground build composition -f examples/simple_tcp_ping/simple_composition.toml --wait
+
+      - name: Run the composition
+        env:
+          SdkGitRef: ${{ github.GITHUB_SHA }}
+        run: testground run composition -f examples/simple_tcp_ping/simple_composition.toml --wait

examples/simple_tcp_ping/Dockerfile

@@ -2,7 +2,8 @@ FROM nimlang/nim:alpine as builder
 
 # "checkpoint" to avoid installing dependencies every time
 # this is optional
-RUN nimble install -y "https://github.com/status-im/testground-nim-sdk"
+ARG SDK_GIT_REF="master"
+RUN nimble install -y "https://github.com/status-im/testground-nim-sdk@#${SDK_GIT_REF}"
 FROM builder
 
 COPY . .

examples/simple_tcp_ping/simple_composition.toml

@@ -0,0 +1,28 @@
+[metadata]
+  name = 'simple_tcp_ping'
+  author = ""
+
+[global]
+  plan = "simple_tcp_ping"
+  case = "simple_tcp_ping"
+  total_instances = 0
+  builder = "docker:generic"
+  runner = "local:docker"
+  disable_metrics = false
+
+[[groups]]
+  id = "a"
+  builder = "docker:generic"
+  [groups.resources]
+    memory = ""
+    cpu = ""
+  [groups.instances]
+    count = 2
+    percentage = 0.0
+  [groups.build_config]
+    enabled = true
+    [groups.build_config.build_args]
+      SDK_GIT_REF = '{{ or $.Env.SdkGitRef "master" }}'
+  [groups.build]
+  [groups.run]
+    artifact = ""