new test for drone

.drone.yml

@@ -1,35 +1,45 @@
+global-variables:
+  env: &env
+  image: golang
+    commands:
+      - go build -ldflags "-X main.version=${DRONE_TAG##v}" -o release/$GOOS/$GOARCH/ubnt-freifunk-map-api .
+      - tar -cvzf release/ubnt-freifunk-map-api_$GOOS_$GOARCH.tar.gz -C release/$GOOS/$GOARCH ubnt-freifunk-map-api
+
 kind: pipeline
 type: docker
 name: build go
 
 steps:
   - name: build linux/amd64
-    image: golang
-    commands:
-      - go build -ldflags "-X main.version=${DRONE_TAG}" -o release/linux/amd64/ubnt-freifunk-map-api .
-      - tar -cvzf release/ubnt-freifunk-map-api_linux_amd64.tar.gz -C release/linux/amd64 ubnt-freifunk-map-api
+  <<: *env
     environment:
       GOARCH: amd64
       GOOS: linux
 
   - name: build linux/arm64
-    image: golang
-    commands:
-      - go build -ldflags "-X main.version=${DRONE_TAG}" -o release/linux/arm64/ubnt-freifunk-map-api .
-      - tar -cvzf release/ubnt-freifunk-map-api_linux_arm64.tar.gz -C release/linux/arm64 ubnt-freifunk-map-api
+  <<: *env
     environment:
       GOARCH: arm64
       GOOS: linux
 
   - name: build windows
-    image: golang
-    commands:
-      - go build -ldflags "-X main.version=${DRONE_TAG}" -o release/windows/amd64/ubnt-freifunk-map-api .
-      - tar -cvzf release/ubnt-freifunk-map-api_windows_amd64.tar.gz -C release/windows/amd64 ubnt-freifunk-map-api
+  <<: *env
     environment:
       GOARCH: amd64
       GOOS: windows
 
+  - name: build macos/x64
+  <<: *env
+    environment:
+      GOARCH: amd64
+      GOOS: darwin
+
+  - name: build macos/arm64
+  <<: *env
+    environment:
+      GOARCH: arm64
+      GOOS: darwin
+
   - name: docker  
     image: plugins/docker
     settings:

main.go

@@ -23,18 +23,27 @@ const (
 // flags
 var token = flag.String("token", "", "Defines the x-auth-token")
 var version = "development"
+var delay time.Duration = 60 * time.Second
 
 func main() {
-
-	log.Println("starting version", version, "...")
+	log.Printf("starting version %s...\n", version)
 	// parse all flags
 	flag.Parse()
-
 	// check if token is set
 	if *token == "" {
 		log.Fatalln("Please specify an API token via the flag '-token'")
 	}
 
+	// start API processing (runs in a loop)
+	go processAPIs()
+
+	// start webserver
+	serveJSON()
+}
+
+func processAPIs() {
+	tick := time.Tick(delay)
+	for range tick {
 		// Variables for runtime
 		var links []link
 		var nodes []node
@@ -131,11 +140,15 @@ func main() {
 
 		// create file output
 		log.Println("writing json file")
-	writeJSONtoFile(o)
+
+		if err := o.writeToFile(); err != nil {
+			log.Fatalln(err)
+		}
 
 		// we're done here
 		log.Println("...done")
 	}
+}
 
 func getDevices() (devices, error) {
 	// get devices from JSON file
@@ -213,22 +226,19 @@ func addLink(dev unifiAPIResponse, airmaxes unifiAPIAirmax, links []link) []link
 	return links
 }
 
-func writeJSONtoFile(o output) error {
-	file, err := json.MarshalIndent(o, "", "  ")
-	if err != nil {
-		return fmt.Errorf("can't marshal to json: %+v", o)
-	}
-
-	// write to file
-	err = ioutil.WriteFile("example.json", file, 0644)
-	if err != nil {
-		return fmt.Errorf("can't write to json file example.json")
-	}
-	return nil
-}
-
 func getAddresses(ip string) []string {
 	var adresses []string
 	adresses = append(adresses, strings.Split(ip, "/")[0])
 	return adresses
 }
+
+func serveJSON() {
+	fs := http.FileServer(http.Dir("./output"))
+	http.Handle("/", fs)
+
+	log.Println("Listening on :3000...")
+	err := http.ListenAndServe(":3000", nil)
+	if err != nil {
+		log.Fatalln(err)
+	}
+}

types.go

@@ -1,6 +1,12 @@
 package main
 
-import "time"
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"time"
+)
 
 type device struct {
 	Name           string `json:"name"`
@@ -111,6 +117,26 @@ type output struct {
 	Links     []link `json:"links"`
 }
 
+func (o *output) writeToFile() error {
+	file, err := json.MarshalIndent(o, "", "  ")
+	if err != nil {
+		return fmt.Errorf("can't marshal to json: %+v", o)
+	}
+
+	// write to file
+	if _, err := os.Stat("output"); os.IsNotExist(err) {
+		err = os.Mkdir("output", 0755)
+		if err != nil {
+			return fmt.Errorf("can't create output folder")
+		}
+	}
+	err = ioutil.WriteFile("output/meshviewer.json", file, 0644)
+	if err != nil {
+		return fmt.Errorf("can't write to json file meshviewer.json")
+	}
+	return nil
+}
+
 type apiResponse struct {
 	StatusCode int    `json:"statusCode"`
 	Error      string `json:"error"`