Add GitHub action to build Debian packages

Author: daknob

.github/workflows/build-release.yml

@@ -22,6 +22,59 @@ jobs:
           GOOS=linux GOARCH=amd64 go build -o eldim-${{ steps.version.outputs.VERSION }}-linux-amd64 .
           GOOS=linux GOARCH=arm64 go build -o eldim-${{ steps.version.outputs.VERSION }}-linux-arm64 .
           GOOS=darwin GOARCH=arm64 go build -o eldim-${{ steps.version.outputs.VERSION }}-darwin-arm64 .
+      - name: Build .deb packages
+        run: |
+          VERSION="${{ steps.version.outputs.VERSION }}"
+          # Strip leading 'v' for the .deb version field
+          DEB_VERSION="${VERSION#v}"
+
+          for ARCH in amd64 arm64; do
+            PKG="eldim-${VERSION}-linux-${ARCH}-deb"
+
+            # Create directory structure
+            mkdir -p "${PKG}/DEBIAN"
+            mkdir -p "${PKG}/usr/bin"
+            mkdir -p "${PKG}/etc/eldim"
+            mkdir -p "${PKG}/lib/systemd/system"
+            mkdir -p "${PKG}/usr/share/doc/eldim"
+
+            # Install binary
+            cp "eldim-${VERSION}-linux-${ARCH}" "${PKG}/usr/bin/eldim"
+            chmod 755 "${PKG}/usr/bin/eldim"
+
+            # Install config files
+            cp eldim.yml "${PKG}/etc/eldim/eldim.yml"
+            cp clients.yml "${PKG}/etc/eldim/clients.yml"
+
+            # Install systemd service
+            cp eldim.service "${PKG}/lib/systemd/system/eldim.service"
+
+            # Install documentation
+            cp README.md "${PKG}/usr/share/doc/eldim/"
+            cp LICENSE "${PKG}/usr/share/doc/eldim/"
+            cp docs/api.md "${PKG}/usr/share/doc/eldim/"
+            cp docs/config.md "${PKG}/usr/share/doc/eldim/"
+            cp docs/metrics.md "${PKG}/usr/share/doc/eldim/"
+
+            # DEBIAN control file
+            sed -e "s/VERSION/${DEB_VERSION}/" -e "s/ARCHITECTURE/${ARCH}/" \
+              debian/control.template > "${PKG}/DEBIAN/control"
+
+            # DEBIAN conffiles
+            cp debian/conffiles "${PKG}/DEBIAN/conffiles"
+
+            # DEBIAN maintainer scripts
+            cp debian/postinst "${PKG}/DEBIAN/postinst"
+            cp debian/prerm "${PKG}/DEBIAN/prerm"
+            cp debian/postrm "${PKG}/DEBIAN/postrm"
+            chmod 755 "${PKG}/DEBIAN/postinst"
+            chmod 755 "${PKG}/DEBIAN/prerm"
+            chmod 755 "${PKG}/DEBIAN/postrm"
+
+            # Build the .deb and clean up the staging directory
+            dpkg-deb --build "${PKG}" "eldim-${VERSION}-linux-${ARCH}.deb"
+            rm -rf "${PKG}"
+          done
       - name: Create Release
         uses: softprops/action-gh-release@v2
         with:

debian/conffiles

@@ -0,0 +1,2 @@
+/etc/eldim/eldim.yml
+/etc/eldim/clients.yml

debian/control.template

@@ -0,0 +1,11 @@
+Package: eldim
+Version: VERSION
+Architecture: ARCHITECTURE
+Maintainer: Antonis Chariton <daknob@daknob.net>
+Homepage: https://github.com/daknob/eldim
+Section: utils
+Priority: optional
+Description: A secure log and backup storage proxy
+ eldim is a web server that accepts file uploads from a particular set of
+ hosts, encrypts them, and stores them in an Object Storage backend such as
+ OpenStack Swift, Google Cloud Storage, or S3-compatible services.

debian/postinst

@@ -0,0 +1,16 @@
+#!/bin/sh
+set -e
+
+case "$1" in
+    configure)
+        if ! id -u eldim >/dev/null 2>&1; then
+            useradd -s /usr/sbin/nologin -r -M eldim
+        fi
+        chown -R eldim:eldim /etc/eldim
+        chmod 700 /etc/eldim
+        chmod 400 /etc/eldim/*.yml
+        systemctl daemon-reload || true
+        ;;
+esac
+
+exit 0

debian/postrm

@@ -0,0 +1,12 @@
+#!/bin/sh
+set -e
+
+case "$1" in
+    purge)
+        rm -rf /etc/eldim
+        userdel eldim 2>/dev/null || true
+        systemctl daemon-reload || true
+        ;;
+esac
+
+exit 0

debian/prerm

@@ -0,0 +1,10 @@
+#!/bin/sh
+set -e
+
+case "$1" in
+    remove|upgrade)
+        systemctl stop eldim || true
+        ;;
+esac
+
+exit 0