♻️ refactor: Rewrite container address retrieval as a composite action.

.github/actions/ip-address/action.yml

@@ -0,0 +1,35 @@
+name: ip-address
+description: >
+  Grabs the IP address of a given container.
+
+inputs:
+
+  container:
+    required: true
+
+outputs:
+
+  address:
+    description: >
+      The input container's IP address.
+    value: ${{ steps.fetch.outputs.address }}
+
+runs:
+
+  using: composite
+
+  steps:
+
+    - name: Retrieve container IP address
+
+      id: fetch
+
+      env:
+        NAME_OR_ID: ${{ inputs.container }}
+
+      shell: bash
+
+      run: |
+        CONTAINER_IP_ADDRESS="$(docker container inspect --format '{{ range.NetworkSettings.Networks }}{{ .IPAddress }}{{ end }}' "${NAME_OR_ID}")"
+        echo "address=${CONTAINER_IP_ADDRESS}" >> "$GITHUB_OUTPUT"
+        test -n "${CONTAINER_IP_ADDRESS}"

.github/workflows/ci:build:image.yml

@@ -85,6 +85,7 @@ jobs:
         with:
           sparse-checkout: |
             scripts/assert-replica-set.js
+            .github/actions/ip-address/action.yml
             .github/actions/is-healthy/action.yml
             .github/actions/is-reachable/action.yml
             .github/actions/is-running/action.yml
@@ -156,10 +157,9 @@ jobs:
 
       - name: Retrieve server container IP address
         id: server-container-ip-address
-        run: |
-          echo \
-          "address=$(docker container inspect --format '{{ range.NetworkSettings.Networks }}{{ .IPAddress }}{{ end }}' server)" \
-          >> "$GITHUB_OUTPUT"
+        uses: ./.github/actions/ip-address
+        with:
+          container: server
 
       - name: Wait for container to be running
         uses: ./.github/actions/is-running