Create RPM and DEB packages (#16)

Signed-off-by: Igor Pashev <pashev.igor@gmail.com>

.github/workflows/release.yml

+name: CI
+on:
+  pull_request:
+  workflow_dispatch:
+    inputs:
+      versionName:
+        description: "Release version"
+        required: true
+      isDraft:
+        description: "Draft release"
+        required: false
+        default: "true"
+
+defaults:
+  run:
+    shell: bash -eux {0}
+
+jobs:
+  build_centos7_rpms:
+    name: Build Centos 7 RPMs
+    runs-on: ubuntu-latest
+    container:
+      image: centos:7
+    steps:
+      - name: Cancel Workflow Action
+        uses: styfle/cancel-workflow-action@0.6.0
+        with:
+          access_token: ${{ github.token }}
+
+      - name: Checkout sources
+        uses: actions/checkout@v3
+
+      - name: Install dependencies
+        run: yum install -y gcc make rpm-build
+
+      - name: Install latest rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          default: true
+          override: true
+
+      - name: Build
+        run: make rpm
+
+      - name: Summary
+        run: |
+          find _rpm -type f -name \*.rpm -print -exec rpm -qivlp {} \;
+
+      - name: Upload RPMs
+        uses: actions/upload-artifact@v2
+        with:
+          name: centos7_rpm
+          retention-days: 1
+          path: _rpm/RPMS/**/*.rpm
+
+  build_rocky8_rpms:
+    name: Build Rockylinux 8 RPMs
+    runs-on: ubuntu-latest
+    container:
+      image: rockylinux:8
+    steps:
+      - name: Cancel Workflow Action
+        uses: styfle/cancel-workflow-action@0.6.0
+        with:
+          access_token: ${{ github.token }}
+
+      - name: Checkout sources
+        uses: actions/checkout@v3
+
+      - name: Install dependencies
+        run: dnf install -y gcc make rpm-build
+
+      - name: Install latest rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          default: true
+          override: true
+
+      - name: Build
+        run: make rpm
+
+      - name: Summary
+        run: |
+          find _rpm -type f -name \*.rpm -print -exec rpm -qivlp {} \;
+
+      - name: Upload RPMs
+        uses: actions/upload-artifact@v2
+        with:
+          name: rocky8_rpm
+          retention-days: 1
+          path: _rpm/RPMS/**/*.rpm
+
+  build_ubuntu20_debs:
+    name: Build Ubuntu 20.04 DEBs
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:20.04
+    steps:
+      - name: Cancel Workflow Action
+        uses: styfle/cancel-workflow-action@0.6.0
+        with:
+          access_token: ${{ github.token }}
+
+      - name: Checkout sources
+        uses: actions/checkout@v3
+
+      - name: Install dependencies
+        run: |
+          export DEBIAN_FRONTEND=noninteractive
+          apt-get update
+          apt-get install -y curl fakeroot
+          apt-get build-dep -y .
+
+      - name: Install latest rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          default: true
+          override: true
+
+      - name: Build
+        run: make deb
+
+      - name: Summary
+        run: |
+          find _deb -type f -name \*.deb -print -exec dpkg -I {} \; -exec dpkg -c {} \;
+
+      - name: Upload DEBs
+        uses: actions/upload-artifact@v2
+        with:
+          name: ubuntu20_debs
+          retention-days: 1
+          path: _deb/*.deb
+
+
+  release:
+    if: github.event_name == 'workflow_dispatch'
+    name: Release
+    needs: [build_centos7_rpms, build_rocky8_rpms, build_ubuntu20_debs]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download Centos 7 RPMs
+        uses: actions/download-artifact@v3
+        with:
+          name: centos7_rpm
+
+      - name: Download Rockylinux 8 RPMs
+        uses: actions/download-artifact@v3
+        with:
+          name: rocky8_rpm
+
+      - name: Download Ubuntu 20.04 DEBs
+        uses: actions/download-artifact@v3
+        with:
+          name: ubuntu20_debs
+
+      - name: Summary
+        run: find -ls
+
+      - name: Publish
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ github.event.inputs.versionName }}
+          draft: ${{ github.event.inputs.isDraft }}
+          files: |
+            **/*.rpm
+            **/*.deb

Makefile

+RPM_OPTS = -bb -D '_topdir ${CURDIR}/_rpm' -D '_sourcedir .' -D '_builddir .'
+
+.PHONY: rpm
+rpm:
+	rpmbuild ${RPM_OPTS} lustrefs_exporter.spec
+
+
+export DH_DESTDIR = ${CURDIR}/_deb
+
+.PHONY: deb
+deb:
+	mkdir -p '${DH_DESTDIR}'
+	./debian/rules clean
+	fakeroot ./debian/rules binary
+	./debian/rules clean
+

debian/changelog

+prometheus-lustrefs-exporter (0.1.0-0.1) unstable; urgency=medium
+
+  * New release.
+
+ -- EMF Team <emf@whamcloud.com>  Wed, 05 Apr 2023 09:48:22 +0200

debian/control

+Source: prometheus-lustrefs-exporter
+Section: admin
+Priority: optional
+Maintainer: EMF Team <emf@whamcloud.com>
+Standards-Version: 4.5.1
+Build-Depends: debhelper-compat (= 12)
+
+Package: prometheus-lustrefs-exporter
+Architecture: any
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Description: prometheus exporter for the Lustre filesystem
+

debian/docs

+LICENSE
+README.md

debian/install

+/usr/bin/prometheus-lustrefs-exporter

debian/postinst

+#!/bin/sh
+
+set -e
+
+case "$1" in
+  configure)
+    # Add prometheus user
+    adduser --quiet --system  \
+            --group --gecos "Prometheus daemon" prometheus
+
+    if ! dpkg-statoverride --list /var/lib/prometheus >/dev/null; then
+      chown prometheus:prometheus /var/lib/prometheus
+    fi
+  ;;
+
+  abort-upgrade|abort-remove|abort-deconfigure)
+    :
+  ;;
+
+  *)
+    echo "postinst called with unknown argument '$1'" >&2
+    exit 1
+  ;;
+esac
+
+#DEBHELPER#
+
+exit 0

debian/postrm

+#!/bin/sh
+
+set -e
+
+case "$1" in
+  purge)
+	# We do NOT remove the system user.
+	;;
+esac
+
+#DEBHELPER#

debian/rules

+#!/usr/bin/make -f
+
+export DH_VERBOSE=1
+export DEB_BUILD_OPTIONS=noddebs
+
+DH_DESTDIR ?= ..
+
+%:
+	dh $@ --destdir='$(DH_DESTDIR)'
+
+
+override_dh_auto_build:
+	cargo build --release
+
+override_dh_auto_install:
+	install -v -d debian/tmp/usr/bin
+	install -v -T target/release/lustrefs-exporter debian/tmp/usr/bin/prometheus-lustrefs-exporter
+
+
+override_dh_auto_clean:
+	cargo clean
+
+# No-ops:
+override_dh_auto_test:
+override_dh_update_autotools_config:
+override_dh_autoreconf:
+

debian/service

+[Unit]
+Description=Prometheus exporter for Lustre
+Documentation=https://github.com/whamcloud/lustrefs-exporter
+
+[Service]
+Restart=on-failure
+User=prometheus
+ExecStart=/usr/bin/prometheus-lustrefs-exporter
+
+[Install]
+WantedBy=multi-user.target

lustrefs_exporter.service

+[Unit]
+Description=Prometheus exporter for Lustre filesystem
+Documentation=https://github.com/whamcloud/lustrefs-exporter
+
+[Service]
+Restart=on-failure
+User=prometheus
+ExecStart=/usr/bin/lustrefs_exporter
+
+[Install]
+WantedBy=multi-user.target
+

lustrefs_exporter.spec

+Name:           lustrefs_exporter
+Version:        0.1.0
+Release:        1%{?dist}
+Summary:        prometheus exporter for lustre
+License:        MIT
+
+Requires(pre): shadow-utils
+
+%description
+Prometheus exporter for the Lustre filesystem
+
+%global debug_package %{nil}
+
+%prep
+
+%build
+cargo build --release
+
+%install
+install -v -d %{buildroot}%{_bindir}
+install -v -d %{buildroot}%{_unitdir}
+install -v -m 0644 lustrefs_exporter.service %{buildroot}%{_unitdir}
+install -v target/release/lustrefs-exporter %{buildroot}%{_bindir}
+%{__ln_s} lustrefs-exporter %{buildroot}%{_bindir}/lustrefs_exporter
+
+%files
+%{_bindir}/lustrefs-exporter
+%{_bindir}/lustrefs_exporter
+%{_unitdir}/lustrefs_exporter.service
+
+%pre
+getent group prometheus >/dev/null || groupadd -r prometheus
+getent passwd prometheus >/dev/null || \
+  useradd -r -g prometheus -s /sbin/nologin \
+          -c "Prometheus services" prometheus
+
+%post
+%systemd_post %{name}.service
+
+%preun
+%systemd_preun %{name}.service
+
+%postun
+%systemd_postun %{name}.service