63 lines
2 KiB
Python
63 lines
2 KiB
Python
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"""Grafana dashboard sidecar — native Dagger build.
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Two-stage build: Python venv (builder), Python Alpine (runtime).
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Source cloned from forge mirror.
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"""
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import dagger
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from dagger import dag
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from blumeops.containers import clone_from_forge, oci_labels
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VERSION = "2.6.0"
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PYTHON_BASE = "python:3.14-alpine3.23"
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async def build(src: dagger.Directory) -> dagger.Container:
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source = clone_from_forge("kiwigrid-grafana-sidecar", VERSION)
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# Stage 1: Build Python venv with dependencies
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builder = (
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dag.container()
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.from_(PYTHON_BASE)
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.with_exec(["apk", "add", "--no-cache", "gcc", "musl-dev"])
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.with_workdir("/app")
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.with_exec(
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["python", "-m", "venv", ".venv"],
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)
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.with_exec(
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[".venv/bin/pip", "install", "--no-cache-dir", "-U", "pip", "setuptools"],
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)
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.with_file("/app/pyproject.toml", source.file("pyproject.toml"))
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.with_directory("/app/src", source.directory("src"))
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.with_exec([".venv/bin/pip", "install", "--no-cache-dir", "."])
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# Strip test dirs and bytecode from venv to shrink the image
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.with_exec(
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[
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"sh",
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"-c",
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"find /app/.venv"
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" \\( -type d -a -name test -o -name tests \\)"
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" -o \\( -type f -a -name '*.pyc' -o -name '*.pyo' \\)"
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" -exec rm -rf {} +",
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]
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)
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)
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# Stage 2: Runtime
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runtime = dag.container().from_(PYTHON_BASE)
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runtime = oci_labels(
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runtime,
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title="Grafana Sidecar",
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description="K8s sidecar to sync ConfigMap dashboards into Grafana",
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version=VERSION,
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)
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return (
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runtime.with_env_variable("PYTHONUNBUFFERED", "1")
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.with_workdir("/app")
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.with_directory("/app/.venv", builder.directory("/app/.venv"))
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.with_env_variable("PATH", "/app/.venv/bin:$PATH")
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.with_user("65534:65534")
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.with_default_args(args=["python", "-u", "-m", "sidecar"])
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)
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