Spec file generator

package/generate_spec.py

@@ -0,0 +1,100 @@
+#!/usr/bin/env python3
+
+"""
+This RPM spec generator creates distribution-specific .spec files using template inheritance.
+It extracts versions from Cargo.toml/rust-toolchain.toml, scans git submodules for bundled library declarations,
+and uses a base template with distribution-specific overrides.
+
+The script takes a target distribution (like amzn2023), loads the corresponding template,
+and outputs a complete RPM spec file ready for rpmbuild.
+"""
+
+import argparse
+import subprocess
+from pathlib import Path
+import sys
+from datetime import datetime
+from jinja2 import Environment, FileSystemLoader
+import tomllib
+
+script_dir = Path(__file__).parent
+project_root = script_dir.parent
+templates_dir = script_dir / "templates"
+
+
+def get_version():
+    cargo_path = project_root / "mountpoint-s3" / "Cargo.toml"
+    with open(cargo_path, "rb") as f:
+        data = tomllib.load(f)
+        return data["package"]["version"]
+
+
+def get_rust_version():
+    rust_path = project_root / "rust-toolchain.toml"
+    with open(rust_path, "rb") as f:
+        data = tomllib.load(f)
+        return data["toolchain"]["channel"]
+
+
+def get_submodule_versions():
+    result = subprocess.run(
+        'git submodule foreach -q \'echo $name `git describe --tags`\'', capture_output=True, text=True, shell=True
+    )
+    versions = {}
+    for line in result.stdout.strip().split('\n'):
+        if line.strip():
+            match line.strip().split(' ', 1):
+                case [name, version]:
+                    versions[name] = version.lstrip('v')
+    return versions
+
+
+def generate_bundled_provides(submodule_versions):
+    return "\n".join(
+        [f"Provides: bundled({lib_name}) = {lib_version}" for lib_name, lib_version in submodule_versions.items()]
+    )
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Generate RPM spec files for different distributions")
+    parser.add_argument("build_target", help="Target distribution (e.g., amzn2023)")
+
+    args = parser.parse_args()
+    build_target = args.build_target
+    template_file = f"{build_target}.spec.template"
+
+    # Checking if template exists
+    template_path = templates_dir / template_file
+    if not template_path.exists():
+        print(f"Error: Template file {template_path} not found")
+        sys.exit(1)
+
+    version = get_version()
+    rust_version = get_rust_version()
+    submodule_versions = get_submodule_versions()
+    current_date = datetime.now().strftime("%a %b %d %Y")
+
+    template_data = {
+        'version': version,
+        'rust_version': rust_version,
+        'build_target': build_target,
+        'current_date': current_date,
+        'submodule_versions': submodule_versions,
+    }
+
+    # Setting up template env
+    env = Environment(loader=FileSystemLoader(templates_dir), trim_blocks=True, lstrip_blocks=True)
+
+    template = env.get_template(template_file)
+
+    spec_content = template.render(**template_data)
+
+    output_file = f"{build_target}.spec"
+    with open(output_file, "w") as f:
+        f.write(spec_content)
+
+    print(f"Generated {output_file}")
+
+
+if __name__ == "__main__":
+    main()

package/templates/amzn2023.spec.template

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+{# Amazon Linux 2023 Complete RPM Spec Template #}
+%bcond_without check
+
+Name:           mount-s3
+Version:        {{ version }}
+Release:        {{ build_target }}
+Summary:        Mountpoint for Amazon S3
+
+License:        Apache-2.0
+URL:            https://github.com/awslabs/mountpoint-s3 
+Source0:        mountpoint-s3-{{ version }}.tar.gz
+Source1:        LICENSE
+Source2:        NOTICE
+Source3:        THIRD_PARTY_LICENSES
+
+{# Build dependencies #}
+BuildRequires:  clang
+BuildRequires:  clang-devel
+BuildRequires:  rust >= {{ rust_version }}      
+BuildRequires:  cargo >= {{ rust_version }}    
+BuildRequires:  cmake
+BuildRequires:  gcc
+BuildRequires:  gcc-c++
+BuildRequires:  git
+BuildRequires:  pkgconfig
+BuildRequires:  fuse-devel
+BuildRequires:  glibc-devel
+BuildRequires:  glibc-headers
+BuildRequires:  glibc-static
+BuildRequires:  libstdc++-devel
+BuildRequires:  nasm
+BuildRequires:  make
+BuildRequires:  which
+BuildRequires:  rust-packaging
+BuildRequires:  rust-toolset
+
+{# Supported architectures #}
+ExclusiveArch: x86_64 aarch64
+
+{# Bundled C/C++ libraries for security tracking #}
+{% for lib_name, lib_version in submodule_versions.items() %}
+Provides: bundled({{ lib_name }}) = {{ lib_version }}
+{% endfor %}
+
+{# Runtime dependencies #}
+Requires:       ca-certificates               
+Requires:       fuse >= 2.9.0               
+Requires:       fuse-libs >= 2.9.0     
+
+%description
+Mountpoint for Amazon S3 is a simple, high-throughput file client for
+mounting an Amazon S3 bucket as a local file system. With Mountpoint for Amazon
+S3, your applications can access objects stored in Amazon S3 through file
+operations like open and read. Mountpoint for Amazon S3 automatically
+translates these operations into S3 object API calls, giving your applications
+access to the elastic storage and throughput of Amazon S3 through a file
+interface.
+
+{# Build commands #}
+%build
+export CFLAGS="${CFLAGS:-%{optflags}} -O2 -Wno-error=cpp"
+export CMAKE_C_FLAGS="$CFLAGS"
+
+export MOUNTPOINT_S3_AWS_RELEASE="{{ build_target }}"
+
+cargo build --release
+
+%cargo_vendor_manifest
+
+%prep
+%autosetup -n mountpoint-s3
+%cargo_prep -v vendor
+
+%install
+mkdir -p %{{buildroot}}/opt/aws/mountpoint-s3/bin
+mkdir -p %{{buildroot}}/%{{_prefix}}/sbin
+mkdir -p %{{buildroot}}/%{{_bindir}}
+install -m 755 target/release/mount-s3 %{{buildroot}}/opt/aws/mountpoint-s3/bin/mount-s3
+install -m 644 NOTICE %{{buildroot}}/opt/aws/mountpoint-s3/
+install -m 644 LICENSE %{{buildroot}}/opt/aws/mountpoint-s3/
+install -m 644 THIRD_PARTY_LICENSES %{{buildroot}}/opt/aws/mountpoint-s3/
+install -m 644 cargo-vendor.txt %{{buildroot}}/opt/aws/mountpoint-s3/
+echo "%{{version}}" > %{{buildroot}}/opt/aws/mountpoint-s3/VERSION
+ln -sf /opt/aws/mountpoint-s3/bin/mount-s3 %{{buildroot}}/%{{_bindir}}/mount-s3
+ln -sf /opt/aws/mountpoint-s3/bin/mount-s3 %{{buildroot}}/%{{_prefix}}/sbin/mount.mount-s3
+
+%files
+%defattr(-,root,root,-)
+%dir %attr(755,root,root) /opt/aws/mountpoint-s3
+%dir %attr(755,root,root) /opt/aws/mountpoint-s3/bin
+%attr(755,root,root) /opt/aws/mountpoint-s3/bin/mount-s3
+%doc %attr(644,root,root) /opt/aws/mountpoint-s3/NOTICE
+%license %attr(644,root,root) /opt/aws/mountpoint-s3/LICENSE
+%license %attr(644,root,root) /opt/aws/mountpoint-s3/cargo-vendor.txt
+%attr(644,root,root) /opt/aws/mountpoint-s3/THIRD_PARTY_LICENSES
+%attr(644,root,root) /opt/aws/mountpoint-s3/VERSION
+%attr(755,root,root) %{_bindir}/mount-s3
+%attr(755,root,root) %{_prefix}/sbin/mount.mount-s3
+
+%changelog
+* {{ current_date }} Mountpoint-S3 Team <s3-opensource@amazon.com> - {{ version }}+{{ build_target }}
+- Mountpoint-S3 {{ version }} {{ build_target }} release
+- Refer to https://github.com/awslabs/mountpoint-s3/blob/main/mountpoint-s3/CHANGELOG.md