Packaging: Add basic BUILD metadata for rpm/deb packages (#6325)

Author: guzzijones

CHANGELOG.rst

@@ -79,7 +79,7 @@ Added
   to pants' use of PEX lockfiles. This is not a user-facing addition.
   #6118 #6141 #6133 #6120 #6181 #6183 #6200 #6237 #6229 #6240 #6241 #6244 #6251 #6253
   #6254 #6258 #6259 #6260 #6269 #6275 #6279 #6278 #6282 #6283 #6273 #6287 #6306 #6307
-  #6311 #6314 #6315 #6317 #6319 #6312 #6320 #6321 #6323 #6324
+  #6311 #6314 #6315 #6317 #6319 #6312 #6320 #6321 #6323 #6324 #6325
   Contributed by @cognifloyd
 * Build of ST2 EL9 packages #6153
   Contributed by @amanda11

packaging/BUILD

@@ -0,0 +1,81 @@
+# Relevant nFPM docs:
+# - https://www.pantsbuild.org/stable/reference/targets/nfpm_deb_package
+# - https://www.pantsbuild.org/stable/reference/targets/nfpm_rpm_package
+# - arch: https://nfpm.goreleaser.com/goarch-to-pkg/
+
+_pkg_description = """
+StackStorm Event-driven automation
+Package is full standalone st2 installation including all components
+in a pre-built venv.
+"""
+_common_pkg_metadata = dict(
+    package_name="st2",
+    description=_pkg_description,
+    homepage="https://stackstorm.com",
+    # https://jfearn.fedorapeople.org/en-US/RPM/4/html-single/RPM_Guide/index.html#idp3030720
+    license="Apache-2.0",  # TODO: nFPM is putting this under Copyright tag instead of License
+    version="",  # injected by pants-plugins/release
+    # arch used to be "any", but that was not correct as the venv has compiled packages.
+    arch="amd64",  # NOTE: parametrize this if adding support for arm64 or other arch.
+    platform="linux",
+)
+_maintainer = "StackStorm Engineering <opsadmin@stackstorm.com>"  # TODO: update this
+
+
+def _distro(distro_id: str, **kwargs):
+    return parametrize(
+        distro_id,
+        distro_id=distro_id,
+        **kwargs,
+    )
+
+
+nfpm_deb_package(
+    name="st2.deb",
+    dependencies=[
+        "./deb/scripts",
+    ],
+    scripts=dict(
+        preinstall="deb/scripts/pre-install.sh",
+        postinstall="deb/scripts/post-install.sh",
+        preremove="deb/scripts/pre-remove.sh",
+        postremove="deb/scripts/post-remove.sh",
+        # config="",
+        # templates="",
+        # rules="",
+    ),
+    maintainer=_maintainer,
+    fields={
+        # https://www.debian.org/doc/debian-policy/ch-controlfields.html#source
+        # We do not have an "st2" source package, so do not include "Source".
+        # https://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-vcs-fields
+        "Vcs-Git": "git://github.com/stackstorm/st2.git",
+        "Vcs-Browser": "https://github.com/stackstorm/st2",
+    },
+    section="python",
+    priority="optional",
+    **_common_pkg_metadata,
+    **_distro("focal"),
+)
+
+nfpm_rpm_package(
+    name="st2.rpm",
+    dependencies=[
+        "./rpm/scripts",
+    ],
+    scripts=dict(
+        preinstall="rpm/scripts/pre-install.sh",
+        postinstall="rpm/scripts/post-install.sh",
+        preremove="rpm/scripts/pre-remove.sh",
+        postremove="rpm/scripts/post-remove.sh",
+        # pretrans="",
+        # posttrans="",
+        # verify="",
+    ),
+    vendor="The StackStorm Project",
+    packager=_maintainer,
+    # group="System/Management",  # was only useful for EL 5 and earlier
+    **_common_pkg_metadata,
+    **_distro("el8", compression="xz"),
+    **_distro("el9", compression="zstd:default"),
+)