Merge pull request #16 from imrehg/updates

Various updates

Author: imrehg

.github/workflows/python.yaml

@@ -27,29 +27,24 @@ jobs:
         run: git checkout ${{ env.BRANCH }}
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install 'poetry>=1.2.0b1'
+          python -m pip install 'poetry>=1.2.0b1' 'nox'
           poetry plugin add poetry-dynamic-versioning-plugin
-          poetry install
+          nox -l
 
       - name: Run linting
         run: |
-          poetry run isort --check src/ tests/
-          poetry run black --check src/ tests/
-          poetry run flake8 src/ tests/
-          poetry run mypy src
-          poetry run bandit src
+          nox -s lint
 
       - name: Run unit tests
         run: |
-          poetry run coverage run -m pytest
-          poetry run coverage report -m
+          nox -s test-${{ matrix.python-version }}
 
   publish:
     name: "Publish to PyPI"
@@ -63,7 +58,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Python 3.10
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v3
         with:
           # Needs to be string for 3.10, otherwise it's wrongly parsed as 3.1
           python-version: '3.10'

noxfile.py

@@ -0,0 +1,36 @@
+import nox
+
+source_folders = ["src/"]
+project_folders = source_folders + ["tests/"]
+
+# Default sessions
+nox.options.sessions = ["lint", "test"]
+
+
+@nox.session
+def format(session):
+    """Run code formatting."""
+    session.run("poetry", "install", external=True)
+    session.run("isort", *project_folders)
+    session.run("black", *project_folders)
+
+
+@nox.session
+def lint(session):
+    """Run linting checks on the code."""
+    session.run("poetry", "install", "--with", "test", external=True)
+    session.run("isort", "--check", *project_folders)
+    session.run("black", "--check", *project_folders)
+    session.run("flake8", *project_folders)
+    session.run("mypy", *source_folders)
+    session.run("bandit", "-r", *source_folders)
+
+
+@nox.session(python=["3.10", "3.11"])
+def test(session):
+    """Run tests on the code."""
+    session.run("poetry", "install", "--with", "test", external=True)
+    try:
+        session.run("coverage", "run", "-m", "pytest")
+    finally:
+        session.run("coverage", "report", "-m")

poetry.lock

@@ -11,6 +11,17 @@ license = "Apache-2.0"
 include = [
     "LICENSE.txt",
 ]
+classifiers = [
+    'Development Status :: 3 - Alpha',
+    'Framework :: Pytest',
+    'Intended Audience :: Information Technology',
+    'Intended Audience :: System Administrators',
+    'Natural Language :: English',
+    'Operating System :: OS Independent',
+    'Topic :: System :: Monitoring',
+    'Topic :: System :: Networking :: Monitoring',
+    'Typing :: Typed',
+]
 
 [tool.poetry.dependencies]
 python = "^3.10"
@@ -20,7 +31,15 @@ dynaconf = "^3.1.8"
 types-requests = "^2.27.25"
 jsonrpcclient = "^4.0.2"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
+isort = "*"
+black = "*"
+nox = "*"
+
+[tool.poetry.group.test]
+optional = true
+
+[tool.poetry.group.test.dependencies]
 pytest = "*"
 pytest-cov = "*"
 requests-mock = "*"
@@ -30,6 +49,12 @@ flake8 = "*"
 mypy = "*"
 bandit = "*"
 
+[tool.poetry.scripts]
+linkhub_exporter = "linkhub_prometheus_exporter.exporter:main"
+
+[tool.poetry.urls]
+"Bug Tracker" = "https://github.com/imrehg/linkhub_prometheus_exporter/issues"
+
 [tool.isort]
 profile = "black"
 src_paths = ["src", "tests"]
@@ -43,17 +68,11 @@ module = [
 ]
 ignore_missing_imports = true
 
-[tool.poetry.scripts]
-linkhub_exporter = "linkhub_prometheus_exporter.exporter:main"
-
 [tool.poetry-dynamic-versioning]
 enable = true
 vcs = "git"
 style = "pep440"
 
-[tool.poetry-dynamic-versioning.substitution]
-files = ["*/__init__.py", "*/*/__init__.py"]
-
 [build-system]
 requires = ["poetry>=1.2.0b1", "poetry-dynamic-versioning-plugin"]
 build-backend = "poetry.masonry.api"

pyproject.toml

@@ -1,2 +1,9 @@
-# Will be dynamically filled
-__version__ = "0.0.0"
+from importlib.metadata import PackageNotFoundError, version
+
+try:
+    __version__ = version("linkhub_prometheus_exporter")
+except PackageNotFoundError:
+    # This package is not installed.
+    __version__ = "unknown"
+finally:
+    del PackageNotFoundError, version

src/linkhub_prometheus_exporter/__init__.py

@@ -9,7 +9,7 @@
         Validator("POLLING_INTERVAL_SECONDS", is_type_of=int, default=5),
         Validator("BOX_ADDRESS", is_type_of=str, default="192.168.1.1"),
         Validator("EXPORTER_PORT", is_type_of=int, default=9877),
-        Validator("EXPORTER_ADDRESS", is_type_of=str, default="0.0.0.0"),
+        Validator("EXPORTER_ADDRESS", is_type_of=str, default="localhost"),
     ],
 )
 

src/linkhub_prometheus_exporter/config.py

@@ -78,7 +78,7 @@ def _box_api_request(self, method: str) -> dict[str, Any]:
                 )
                 raise RuntimeError(message)
             case _:
-                assert False, "Impossible parsed response received."
+                raise AssertionError("Impossible parsed response received.")
 
     def _read_network_info(self) -> None:
         """Requesting, parsing, and updating network info metrics."""
@@ -140,6 +140,13 @@ def fetch_metrics(self) -> None:
 def main() -> None:
     """Main entry point for the exporter"""
     logging.info("Linkhub Prometheus Exporter, version %s", __version__)
+    # Add exporter metadata to what's exported
+    exporter_info = Info("exporter_info", "Exporter information")
+    exporter_info.info(
+        {
+            "version": __version__,
+        }
+    )
 
     try:
         router_metrics = RouterMetrics(
@@ -152,6 +159,11 @@ def main() -> None:
         logging.error("Missing REQUEST_KEY configuration.")
         raise RuntimeError("Missing REQUEST_KEY configuration.") from exc
 
+    logging.info(
+        "Server starting on http://%s:%d",
+        settings.EXPORTER_ADDRESS,
+        settings.EXPORTER_PORT,
+    )
     start_http_server(
         port=settings.EXPORTER_PORT, addr=settings.EXPORTER_ADDRESS
     )