Refactor: migrate to systemd and restructure to cmd/ pattern

- Move executables to src/cmd/*/main.go structure
- Replace init.d with systemd service
- Modernize Go code (remove ioutil, update docopt)
- Remove obsolete RPM/Debian build scripts
- Update Makefile and postinst for systemd

Author: carsso

Makefile

@@ -46,26 +46,26 @@ releases:
 	    fi ; \
 		mkdir $$RELEASE_DIR; \
 		echo "Building Wigo release for $$target to $$RELEASE_DIR"; \
-		$(build) -tags "netgo osusergo" -ldflags "-s -w -X github.com/root-gg/wigo/src/wigo.Version=$(RELEASE_VERSION)" -o $$RELEASE_DIR/wigo $(BASE_DIR)/src/wigo.go; \
-		$(build) -tags "netgo osusergo" -ldflags "-s -w -X github.com/root-gg/wigo/src/wigo.Version=$(RELEASE_VERSION)" -o $$RELEASE_DIR/wigocli $(BASE_DIR)/src/wigocli.go; \
-		$(build) -o $$RELEASE_DIR/generate_cert $(BASE_DIR)/src/generate_cert.go; \
+		$(build) -tags "netgo osusergo" -ldflags "-s -w -X github.com/root-gg/wigo/src/wigo.Version=$(RELEASE_VERSION)" -o $$RELEASE_DIR/wigo $(BASE_DIR)/src/cmd/wigo/main.go; \
+		$(build) -tags "netgo osusergo" -ldflags "-s -w -X github.com/root-gg/wigo/src/wigo.Version=$(RELEASE_VERSION)" -o $$RELEASE_DIR/wigocli $(BASE_DIR)/src/cmd/wigocli/main.go; \
+		$(build) -o $$RELEASE_DIR/generate_cert $(BASE_DIR)/src/cmd/generate_cert/main.go; \
 	done
 
 release:
 	@echo "Building Wigo release for current OS"
 	@mkdir -p release
 	@cd release; \
 	export CGO_ENABLED=0; \
-	$(build) -tags "netgo osusergo" -ldflags "-s -w -X github.com/root-gg/wigo/src/wigo.Version=$(RELEASE_VERSION)" -o current/wigo $(BASE_DIR)/src/wigo.go;	\
-	$(build) -tags "netgo osusergo" -ldflags "-s -w -X github.com/root-gg/wigo/src/wigo.Version=$(RELEASE_VERSION)" -o current/wigocli $(BASE_DIR)/src/wigocli.go; \
-	$(build) -o current/generate_cert $(BASE_DIR)/src/generate_cert.go
+	$(build) -tags "netgo osusergo" -ldflags "-s -w -X github.com/root-gg/wigo/src/wigo.Version=$(RELEASE_VERSION)" -o current/wigo $(BASE_DIR)/src/cmd/wigo/main.go;	\
+	$(build) -tags "netgo osusergo" -ldflags "-s -w -X github.com/root-gg/wigo/src/wigo.Version=$(RELEASE_VERSION)" -o current/wigocli $(BASE_DIR)/src/cmd/wigocli/main.go; \
+	$(build) -o current/generate_cert $(BASE_DIR)/src/cmd/generate_cert/main.go
 
 debs:
 	@echo "Building Wigo Debian packages"
 	@mkdir -p $(DEBROOT)
 	@mkdir -p $(DEBROOT)/etc/wigo/conf.d
 	@mkdir -p $(DEBROOT)/etc/logrotate.d
-	@mkdir -p $(DEBROOT)/etc/init.d
+	@mkdir -p $(DEBROOT)/lib/systemd/system/
 	@mkdir -p $(DEBROOT)/usr/local/wigo/lib
 	@mkdir -p $(DEBROOT)/usr/local/wigo/bin
 	@mkdir -p $(DEBROOT)/usr/local/wigo/etc/conf.d
@@ -80,7 +80,7 @@ debs:
 	@cp probes/examples/* $(DEBROOT)/usr/local/wigo/probes/examples
 	@cp etc/wigo.conf $(DEBROOT)/usr/local/wigo/etc/wigo.conf.sample
 	@cp etc/conf.d/*.conf $(DEBROOT)/usr/local/wigo/etc/conf.d
-	@cp etc/wigo.init $(DEBROOT)/etc/init.d/wigo && chmod +x $(DEBROOT)/etc/init.d/wigo
+	@cp etc/wigo.systemd $(DEBROOT)/lib/systemd/system/wigo.service
 	@cp etc/wigo.logrotate $(DEBROOT)/etc/logrotate.d/wigo
 	@cp -R public $(DEBROOT)/usr/local/wigo
 	@sed -i "s/##VERSION##/Wigo v$(RELEASE_VERSION)/" $(DEBROOT)/usr/local/wigo/public/index.html
@@ -94,7 +94,7 @@ debs:
 		else \
 			cp release/linux-$$arch/* $(DEBROOT)/usr/local/wigo/bin/ ; \
 		fi ; \
-		dpkg-deb -Z xz --build $(DEBROOT) $(DEBROOT)/wigo-$(RELEASE_VERSION)-$$arch.deb ; \
+		fakeroot dpkg-deb -Z xz --build $(DEBROOT) $(DEBROOT)/wigo-$(RELEASE_VERSION)-$$arch.deb ; \
 	done
 
 publish-debs:

README.md

@@ -108,18 +108,11 @@ make clean releases
 ```
 
 ##### Build debian packages
-You will need `reprepro`
+You will need `dpkg-deb`
 ```sh
 make debs
 ```
 
-##### Build rpm packages
-You will need rpm-building tools
-```sh
-cd build/rpm/
-./makePackege.sh
-```
-
 ### Usage
 
 ##### Wigo web interface
@@ -130,7 +123,7 @@ cd build/rpm/
 ##### Wigo CLI
 
 ```sh
-# wigocli
+# /usr/local/wigo/bin/wigocli
 Wigo v0.51.5 running on backbone.root.gg 
 Local Status    : 100
 Global Status   : 250
@@ -153,7 +146,7 @@ Remote Wigos :
 Probes are binaries, written in any language you want, that output a json string with at least Status param :
 ```sh
 
-$ ./hardware_load_average
+$ /usr/local/wigo/probes/examples/hardware_load_average
 {
    "Detail" : "",
    "Version" : "0.11",

VERSION

@@ -1 +1 @@
-0.73.32
+0.73.33

build/deb/DEBIAN/postinst

@@ -9,14 +9,10 @@ EXAMPLEPROBES300=( smart check_ntp packages-apt )
 # Fixing logrotate permissions
 chown root:root /etc/logrotate.d/wigo
 
-# <TEMPORARY>
-rm /etc/wigo/conf.d/smart.conf
-# </TEMPORARY>
-
 # Copy config file if not present on system
 if [ ! -e /etc/wigo/wigo.conf ] ; then
     cp $WIGOPATH/etc/wigo.conf.sample /etc/wigo/wigo.conf
-    update-rc.d wigo defaults
+    echo "Config file /etc/wigo/wigo.conf created"
 else
     echo "Config file /etc/wigo.conf already exists. Not overriding it.."
 fi
@@ -30,12 +26,6 @@ for configFile in $CONFIGFILES; do
     fi
 done
 
-# Retro compatibility
-if [ -e /etc/wigo.conf ] ; then
-    echo "Old config file detected, moving it to /etc/wigo/wigo.conf.."
-    mv /etc/wigo.conf /etc/wigo/wigo.conf
-fi
-
 # Enabling default probes on 60 directory
 echo "Enabling default probes.."
 
@@ -59,6 +49,13 @@ for probeName in ${EXAMPLEPROBES300[@]}; do
     fi
 done
 
+if [ -f /etc/init.d/wigo ] ; then
+    /etc/init.d/wigo stop
+    update-rc.d -f wigo remove
+    rm -f /etc/init.d/wigo
+    echo "Old init script removed"
+fi
 
+echo "Starting Wigo service"
 # Start it
-/etc/init.d/wigo restart
+systemctl daemon-reload && systemctl enable wigo && systemctl restart wigo