feat(iroha2-ledger): add Iroha V2 test ledger image and setup class

- Add a new test image for Iroha V2 (iroha2-all-in-one). It start a test ledger in single container,
  and also contains a proxy script for running iroha_client_cli.
- Add the new image to the CI.
- Add a new class for starting and interacting with Iroha V2 test ledger
  from typescript test - Iroha2TestLedger.
- Add test for test setup class to ensure basic functions are working correctly.

Relates to #2138

Signed-off-by: Michal Bajer <[email protected]>

.github/workflows/iroha2-all-in-one-publish.yaml

@@ -0,0 +1,56 @@
+name: iroha2-all-in-one-publish
+
+on:
+  push:
+    # Publish `main` as Docker `latest` image.
+    branches:
+      - main
+
+    # Publish `v1.2.3` tags as releases.
+    tags:
+      - v*
+
+env:
+  IMAGE_NAME: cactus-iroha2-all-in-one
+
+jobs:
+  # Push image to GitHub Packages.
+  # See also https://docs.docker.com/docker-hub/builds/
+  build-tag-push-container:
+    runs-on: ubuntu-20.04
+    env:
+      DOCKER_BUILDKIT: 1
+      DOCKERFILE_PATH: ./tools/docker/iroha2-all-in-one/Dockerfile
+      DOCKER_BUILD_DIR: ./tools/docker/iroha2-all-in-one/
+    permissions:
+      packages: write
+      contents: read
+
+    steps:
+      - uses: actions/[email protected]
+
+      - name: Build image
+        run: docker build $DOCKER_BUILD_DIR --file $DOCKERFILE_PATH --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"
+
+      - name: Log in to registry
+        # This is where you will update the PAT to GITHUB_TOKEN
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Push image
+        run: |
+          SHORTHASH=$(git rev-parse --short "$GITHUB_SHA")
+          TODAYS_DATE="$(date +%F)"
+          DOCKER_TAG="$TODAYS_DATE-$SHORTHASH"
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
+          # Change all uppercase to lowercase
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+          # Do not use the `latest` tag at all, tag with date + git short hash if there is no git tag
+          [ "$VERSION" == "main" ] && VERSION=$DOCKER_TAG
+          echo IMAGE_ID=$IMAGE_ID
+          echo VERSION=$VERSION
+          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION

packages/cactus-test-tooling/src/main/typescript/common/containers.ts

@@ -653,6 +653,25 @@ export class Containers {
       }
     });
   }
+
+  /**
+   * Get all environment variables defined in container provided in argument.
+   *
+   * @param container Running dockerode container instance
+   * @returns Map between environment variable name and it's value.
+   */
+  public static async getEnvVars(
+    container: Container,
+  ): Promise<Map<string, string>> {
+    Checks.truthy(container);
+
+    const inspectInfo = await container.inspect();
+    return new Map(
+      inspectInfo.Config.Env.map(
+        (entry) => entry.split("=") as [string, string],
+      ),
+    );
+  }
 }
 
 export interface IStreamLogsRequest {