Add Control Plane API call to return the Snowplow Mini version (closes …

…#128)

provisioning/resources/control-plane/main.go

@@ -47,6 +47,7 @@ func main() {
   http.HandleFunc("/local-iglu-apikey", addLocalIgluApikey)
   http.HandleFunc("/credentials", changeUsernameAndPassword)
   http.HandleFunc("/domain-name", addDomainName)
+  http.HandleFunc("/version", getSpminiVersion)
   log.Fatal(http.ListenAndServe(":10000", nil))
 }
 
@@ -268,3 +269,16 @@ func addDomainName(resp http.ResponseWriter, req *http.Request) {
     io.WriteString(resp, "added successfully")
   }
 }
+
+func getSpminiVersion(resp http.ResponseWriter, req *http.Request) {
+  if req.Method == "GET" {
+    versionBytes, err := ioutil.ReadFile(config.VersionFilePath)
+    if err != nil {
+      http.Error(resp, err.Error(), 500)
+      return
+    }
+    versionStr := string(versionBytes)
+    resp.WriteHeader(http.StatusOK)
+    io.WriteString(resp, versionStr)
+  }
+}

provisioning/roles/sp_mini_3_setup_apps/tasks/main.yml

@@ -41,6 +41,12 @@
     src: "{{playbook_dir}}/resources/control-plane/snowplow-mini-control-plane-api"
     dest: "{{executables_dir}}"
 
+- name: Copy VERSION file to /home/ubuntu/snowplow for Control API
+   become: yes
+   synchronize:
+     src: "{{playbook_dir}}/../VERSION"
+     dest: "{{main_dir}}"
+
 - name: Check Kinesis Packages
   stat:
     path: "{{staging_dir}}/{{kinesis_package}}"