charmcraft.yaml

# Copyright 2022 Canonical Ltd.
# See LICENSE file for licensing details.

type: charm
bases:
  # Whenever "bases" is changed:
  # - Update tests/conftest.py::pytest_configure()
  # - Update .github/workflow/ci.yaml integration-test matrix
  - name: ubuntu
    channel: "20.04"
    architectures: [amd64]
  - name: ubuntu
    channel: "22.04"
    architectures: [amd64]
  - name: ubuntu
    channel: "22.04"
    architectures: [arm64]
parts:
  files:
    plugin: dump
    source: .
    build-packages:
      - git
    override-build: |
      # Workaround to add unique identifier (git hash) to charm version while specification
      # DA053 - Charm versioning
      # (https://docs.google.com/document/d/1Jv1jhWLl8ejK3iJn7Q3VbCIM9GIhp8926bgXpdtx-Sg/edit?pli=1)
      # is pending review.
      python3 -c 'import pathlib; import shutil; import subprocess; git_hash=subprocess.run(["git", "describe", "--always", "--dirty"], capture_output=True, check=True, encoding="utf-8").stdout; file = pathlib.Path("charm_version"); shutil.copy(file, pathlib.Path("charm_version.backup")); version = file.read_text().strip(); file.write_text(f"{version}+{git_hash}")'

      craftctl default
    stage:
      # Exclude requirements.txt file during staging
      # Workaround for https://github.com/canonical/charmcraft/issues/1389 on charmcraft 2
      - -requirements.txt
    prime:
      - charm_version
      - workload_version
  charm:
    build-snaps:
      - rustup
    build-packages:
      - libffi-dev
      - libssl-dev
      - pkg-config
    override-build: |
      rustup default stable
      
      # Use uv to install poetry so that a newer version of Python can be installed if needed by poetry
      curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/uv/releases/download/0.5.15/uv-installer.sh | sh  # renovate: charmcraft-uv-latest
      # poetry 2.0.0 requires Python >=3.9
      if ! "$HOME/.local/bin/uv" python find '>=3.9'
      then
        # Use first Python version that is >=3.9 and available in an Ubuntu LTS
        # (to reduce the number of Python versions we use)
        "$HOME/.local/bin/uv" python install 3.10.12  # renovate: charmcraft-python-ubuntu-22.04
      fi
      "$HOME/.local/bin/uv" tool install --no-python-downloads --python '>=3.9' poetry==2.0.0 --with poetry-plugin-export==1.8.0  # renovate: charmcraft-poetry-latest

      # Convert subset of poetry.lock to requirements.txt
      "$HOME/.local/bin/poetry" export --only main,charm-libs --output requirements.txt

      craftctl default
    stage:
      # Exclude charm_version file during staging
      - -charm_version
    # TODO: enable after https://github.com/canonical/charmcraft/issues/1456 fixed
    charm-strict-dependencies: false
    charm-requirements: [requirements.txt]
    charm-entrypoint: src/charm.py