Merge pull request #7 from ljdelight/systemd

Systemd

Makefile

@@ -28,16 +28,20 @@ run-client: final
 	sudo kill -9 `cat server.pid`
 	rm -f server.pid
 
-gen-deb: jar readfromdev LICENSE rawdisk.deb.init
+gen-deb: jar readfromdev LICENSE src/main/install/deb/ljdelight-rawdisk.init
 	mkdir -p build/deb/opt/ljdelight/rawdisk/
 	mkdir -p build/deb/etc/init.d/
+	mkdir -p build/deb/etc/systemd/system/
 	install --mode=0444 build/libs/*.jar build/deb/opt/ljdelight/rawdisk/
 	install --mode=0444 LICENSE build/deb/opt/ljdelight/rawdisk/
 	install --mode=0555 src/main/d/readfromdev/readfromdev build/deb/opt/ljdelight/rawdisk/
-	install --mode=0755 rawdisk.deb.init build/deb/etc/init.d/rawdisk
+	install --mode=0755 src/main/install/deb/ljdelight-rawdisk.init build/deb/opt/ljdelight/rawdisk/
+	install --mode=0644 src/main/install/deb/ljdelight-rawdisk.service build/deb/opt/ljdelight/rawdisk/
 	fpm -s dir -t deb -C build/deb \
 		--version 0.1.0 --name ljdelight-rawdisk --architecture amd64 \
 		--deb-no-default-config-files \
+		--after-install src/main/install/deb/postinst.sh \
+		--after-remove src/main/install/deb/postrm.sh \
 		--deb-user root --deb-group root
 	touch $@
 

rawdisk.deb.init → src/main/install/deb/ljdelight-rawdisk.init

@@ -1,5 +1,4 @@
 #!/bin/sh
-
 ### BEGIN INIT INFO
 # Provides:           rawdisk
 # Required-Start:     $local_fs $remote_fs $network $syslog $named

src/main/install/deb/ljdelight-rawdisk.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Rawdisk service for remote block access
+After=syslog.target network.target
+
+[Service]
+Type=simple
+Environment=PORT=9093
+Environment=CLASSPATH=/opt/ljdelight/rawdisk/RawDiskService-all.jar
+
+ExecStart=/usr/bin/java -classpath ${CLASSPATH} com.ljdelight.rawdisk.RawDiskServer ${PORT}
+Restart=on-failure
+RestartSec=3s
+SuccessExitStatus=0 SIGHUP SIGINT SIGTERM SIGPIPE
+
+[Install]
+WantedBy=multi-user.target

src/main/install/deb/postinst.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+# See https://www.debian.org/doc/debian-policy/
+#
+
+set -e
+
+case "$1" in
+    configure)
+        if [ $(command -v systemctl) > /dev/null ]; then
+            cp -fp /opt/ljdelight/rawdisk/ljdelight-rawdisk.service /etc/systemd/system/
+            systemctl --quiet enable ljdelight-rawdisk.service > /dev/null
+            systemctl --quiet start ljdelight-rawdisk.service > /dev/null
+        elif [ $(command -v update-rc.d) > /dev/null ]; then
+            ln -s /opt/ljdelight/rawdisk/ljdelight-rawdisk.init /etc/init.d/ljdelight-rawdisk
+            update-rc.d ljdelight-rawdisk defaults > /dev/null
+            service ljdelight-rawdisk start > /dev/null
+        else
+            echo "postinst could not register ljdelight-rawdisk: no systemctl nor update-rc.d" >&2
+            exit 1
+        fi
+    ;;
+
+    abort-upgrade|abort-remove|abort-deconfigure)
+    ;;
+
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0

src/main/install/deb/postrm.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+# See https://www.debian.org/doc/debian-policy/
+
+set -e
+
+case "$1" in
+    purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+        if [ $(command -v systemctl) > /dev/null ]; then
+            systemctl --quiet stop  ljdelight-rawdisk.service > /dev/null
+            systemctl --quiet disable ljdelight-rawdisk.service > /dev/null
+            rm -f /etc/systemd/system/ljdelight-rawdisk.service
+            systemctl daemon-reload
+        elif [ $(command -v update-rc.d) > /dev/null ]; then
+            service ljdelight-rawdisk stop > /dev/null
+            update-rc.d ljdelight-rawdisk remove > /dev/null
+            rm -f /etc/init.d/ljdelight-rawdisk
+        else
+            echo "postrm could not determine systemctl or update-rc.d" >&2
+            exit 1
+        fi
+    ;;
+
+    *)
+        echo "postrm called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0