Added ml-metadata-store rockfile

ml-metadata-server/rockcraft.yaml

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+# Based on: https://github.com/open-telemetry/opentelemetry-collector-releases/blob/main/distributions/otelcol/Dockerfile
+name: ml-metadata-server
+summary: Part of the ML Metadata (MLMD) framework.
+description: |
+  ML Metadata is a framework for managing and tracking metadata associated with ML workflows. 
+  It is part of the TensorFlow Extended (TFX) ecosystem, but it can be used independently as well.
+version: "1.14.0"
+license: Apache-2.0
+base: ubuntu@22.04
+run-user: _daemon_
+
+platforms:
+  amd64:
+
+parts:
+  server:
+    plugin: nil
+    source: https://github.com/google/ml-metadata.git
+    source-tag: v1.14.0
+    build-packages:
+      - build-essential
+      - git
+      - clang
+      - cmake
+      - make
+      - ca-certificates
+      - musl-dev
+      - openssl
+      - curl
+      - unzip
+      - software-properties-common
+      - python3-distutils
+      - python-is-python3
+      - python3-dev
+    build-environment:
+      - CGO_ENABLED: 0
+      - GOOS: linux
+      - BAZEL_VERSION: 5.3.0
+    override-build: |
+      # Set up Bazel 5.3.0
+      mkdir /bazel && cd /bazel
+      curl -H "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36" -fSsL -O https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-linux-x86_64.sh && \
+      curl -H "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36" -fSsL -o /bazel/LICENSE.txt https://raw.githubusercontent.com/bazelbuild/bazel/master/LICENSE && \
+      chmod +x bazel-*.sh && ./bazel-${BAZEL_VERSION}-installer-linux-x86_64.sh && \
+      cd $CRAFT_PART_BUILD && rm -f /bazel/bazel-${BAZEL_VERSION}-installer-linux-x86_64.sh
+
+      #Build
+      bazel build -c opt --action_env=PATH \
+      --define=grpc_no_ares=true --verbose_failures \
+      //ml_metadata/metadata_store:metadata_store_server --cxxopt="-std=c++17"
+
+  security-team-requirement:
+    plugin: nil
+    override-build: |
+      mkdir -p ${CRAFT_PART_INSTALL}/usr/share/rocks
+      (echo "# os-release" && cat /etc/os-release && echo "# dpkg-query" && \
+       dpkg-query --root=${CRAFT_PROJECT_DIR}/../bundles/ubuntu-22.04/rootfs/ -f '${db:Status-Abbrev},${binary:Package},${Version},${source:Package},${Source:Version}\n' -W) \
+       > ${CRAFT_PART_INSTALL}/usr/share/rocks/dpkg.query

ml-metadata-server/tox.ini

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+# Copyright 2024 Canonical Ltd.
+# See LICENSE file for licensing details.
+[tox]
+skipsdist = True
+skip_missing_interpreters = True
+envlist = pack, export-to-docker, sanity, integration
+
+[testenv]
+setenv =
+    PYTHONPATH={toxinidir}
+    PYTHONBREAKPOINT=ipdb.set_trace
+
+[testenv:pack]
+passenv = *
+allowlist_externals =
+    rockcraft
+commands =
+    rockcraft pack
+
+[testenv:export-to-docker]
+passenv = *
+allowlist_externals =
+    bash
+    skopeo
+    yq
+commands =
+# export rock to docker
+    bash -c 'NAME=$(yq eval .name rockcraft.yaml) && \
+    VERSION=$(yq eval .version rockcraft.yaml) && \
+    ARCH=$(yq eval ".platforms | keys | .[0]" rockcraft.yaml) && \
+    ROCK="$\{NAME\}_$\{VERSION\}_$\{ARCH\}.rock" && \
+    DOCKER_IMAGE=$NAME:$VERSION && \
+    echo "Exporting $ROCK to docker as $DOCKER_IMAGE" && \
+    skopeo --insecure-policy copy oci-archive:$ROCK docker-daemon:$DOCKER_IMAGE'
+
+[testenv:sanity]
+passenv = *
+deps =
+    pytest
+    charmed-kubeflow-chisme
+commands =
+# run rock tests
+    pytest -s -v --tb native --show-capture=all --log-cli-level=INFO {posargs} {toxinidir}/tests
+
+[testenv:integration]
+passenv = *
+allowlist_externals =
+    echo
+commands =
+# TODO: Implement integration tests here
+    echo "WARNING: This is a placeholder test - no test is implemented here."