feat: add deb & rpm packages (#88)

.goreleaser.yml

@@ -24,9 +24,9 @@ builds:
       - amd64
       - arm
       - arm64
-      - 386
+      - "386"
     goarm:
-     - 7
+     - "7"
     ignore:
       - goos: windows
         goarch: arm
@@ -37,9 +37,9 @@ builds:
       - goos: darwin
         goarch: arm64
       - goos: darwin
-        goarch: 386
+        goarch: "386"
       - goos: linux
-        goarch: 386
+        goarch: "386"
 
 archives:
   - id: nvidia_gpu_exporter-archive
@@ -54,6 +54,48 @@ archives:
     files: 
       - LICENSE
 
+nfpms:
+  - id: nvidia_gpu_exporter
+    package_name: nvidia-gpu-exporter
+    bindir: /usr/bin
+    vendor: Utku Ozdemir
+    homepage: https://github.com/utkuozdemir/nvidia_gpu_exporter
+    license: MIT
+    maintainer: Utku Ozdemir <uoz@protonmail.com>
+    section: misc
+    description: |-
+      Nvidia GPU exporter for prometheus.
+      This is a simple exporter that uses `nvidia-smi(.exe)` binary to collect, 
+      parse and export metrics.
+    formats:
+      - deb
+      - rpm
+    contents:
+      - src: ./systemd/nvidia_gpu_exporter.service
+        dst: /usr/lib/systemd/system/nvidia_gpu_exporter.service
+        file_info:
+          owner: root
+          group: root
+          mode: 0644
+      - src: ./LICENSE
+        dst: /usr/share/doc/nvidia-gpu-exporter/copyright
+        file_info:
+          owner: root
+          group: root
+          mode: 0644
+    scripts:
+      preinstall: scripts/pre-install.sh
+      postinstall: scripts/post-install.sh
+      preremove: scripts/pre-remove.sh
+      postremove: scripts/post-remove.sh
+    deb:
+      lintian_overrides:
+        - statically-linked-binary
+        - changelog-file-missing-in-native-package
+        - no-manual-page
+        # Probably won't be implemented: https://github.com/goreleaser/nfpm/issues/15#issuecomment-830816661
+        - maintainer-script-calls-systemctl
+
 checksum:
   name_template: checksums.txt
   algorithm: sha256
@@ -93,7 +135,7 @@ dockers:
       - docker.io/utkuozdemir/nvidia_gpu_exporter:{{ .Version }}-armv7
     use: buildx
     goarch: arm
-    goarm: 7
+    goarm: "7"
     dockerfile: Dockerfile
     build_flag_templates:
       - --platform=linux/arm/v7

INSTALL.md

@@ -67,7 +67,7 @@ These steps do the following:
 If your Linux distro is using systemd, you can install the exporter as a service using the unit file provided.
 
 Follow these simple steps:
-1. Download the Linux binary matching your CPU architecture and put it under `/usr/local/bin` directory.
+1. Download the Linux binary matching your CPU architecture and put it under `/usr/bin` directory.
 2. Drop a copy of the file **[nvidia_gpu_exporter.service](systemd/nvidia_gpu_exporter.service)** under `/etc/systemd/system` directory.
 3. Run `sudo systemctl daemon-reload`
 4. Start and enable the service to run on boot: `sudo systemctl enable --now nvidia_gpu_exporter`

Taskfile.yml

@@ -2,14 +2,14 @@ version: "3"
 
 tasks:
   fmt:
-    desc: format all code
+    desc: format code
     cmds:
       - go mod tidy
       - gci write -s standard -s default -s "prefix(github.com/utkuozdemir/nvidia_gpu_exporter)" .
       - gofumpt -w -l .
 
   lint:
-    desc: Lint the code with golangci-lint
+    desc: lint code
     cmds:
       - go mod tidy && git diff --no-patch --exit-code go.mod go.sum
       - golangci-lint run ./...

scripts/post-install.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+set -e
+
+PID1=$(ps --no-headers -o comm 1)
+
+if [ "$PID1" != systemd ]; then
+  echo "Only systemd is supported but detected pid 1: $PID1"
+  exit 1
+fi
+
+echo "Detected systemd as init system, proceeding"
+
+useradd -r nvidia_gpu_exporter -s /bin/false || true
+
+systemctl daemon-reload
+
+systemctl enable nvidia_gpu_exporter.service
+systemctl restart nvidia_gpu_exporter.service

scripts/post-remove.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+set -e
+
+userdel -f nvidia_gpu_exporter || true
+
+systemctl daemon-reload

scripts/pre-install.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+
+PID1=$(ps --no-headers -o comm 1)
+
+if [ "$PID1" != systemd ]; then
+  echo "Only systemd is supported but detected pid 1: $PID1"
+  exit 1
+fi

scripts/pre-remove.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+
+systemctl stop nvidia_gpu_exporter.service || true
+systemctl disable nvidia_gpu_exporter.service || true
+
+systemctl daemon-reload

systemd/nvidia_gpu_exporter.service

@@ -8,23 +8,12 @@ Type=simple
 User=nvidia_gpu_exporter
 Group=nvidia_gpu_exporter
 
-ExecStart=/usr/local/bin/nvidia_gpu_exporter
+ExecStart=/usr/bin/nvidia_gpu_exporter
 
 SyslogIdentifier=nvidia_gpu_exporter
 
 Restart=always
 RestartSec=1
 
-NoNewPrivileges=yes
-
-ProtectHome=yes
-ProtectSystem=strict
-ProtectControlGroups=true
-ProtectKernelModules=true
-ProtectKernelTunables=yes
-ProtectHostname=yes
-ProtectKernelLogs=yes
-ProtectProc=yes
-
 [Install]
 WantedBy=multi-user.target