Add basic filestack webhook.

closes #1542

Generalize event.

Add doc.

Update default config.

Add filestack to the list of plugins.

Check that video conversion event returns 400.

Update the readme.

Update the changelog.

CHANGELOG.md

@@ -13,6 +13,7 @@
 - [#1685](https://github.com/influxdata/telegraf/issues/1685): Add additional redis metrics.
 - [#1539](https://github.com/influxdata/telegraf/pull/1539): Added capability to send metrics through Http API for OpenTSDB.
 - [#1471](https://github.com/influxdata/telegraf/pull/1471): iptables input plugin.
+- [#1542](https://github.com/influxdata/telegraf/pull/1542): Add filestack webhook plugin.
 
 ### Bugfixes
 

README.md

@@ -221,6 +221,7 @@ Telegraf can also collect metrics via the following service plugins:
 * [kafka_consumer](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/kafka_consumer)
 * [nats_consumer](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/nats_consumer)
 * [webhooks](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/webhooks)
+  * [filestack](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/webhooks/filestack)
   * [github](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/webhooks/github)
   * [mandrill](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/webhooks/mandrill)
   * [rollbar](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/webhooks/rollbar)

plugins/inputs/webhooks/README.md

@@ -15,6 +15,7 @@ $ sudo service telegraf start
 
 ## Available webhooks
 
+- [Filestack](filestack/)
 - [Github](github/)
 - [Mandrill](mandrill/)
 - [Rollbar](rollbar/)

plugins/inputs/webhooks/filestack/README.md

@@ -0,0 +1,17 @@
+# Filestack webhook
+
+You should configure your Filestack's Webhooks to point at the `webhooks` service. To do this go to `filestack.com/`, select your app and click `Credentials > Webhooks`. In the resulting page, set the `URL` to `http://<my_ip>:1619/filestack`, and click on `Add`.
+
+## Events
+
+See the [webhook doc](https://www.filestack.com/docs/webhooks).
+
+*Limitations*: It stores all events except video conversions events.
+
+All events for logs the original timestamp, the action and the id.
+
+**Tags:**
+* 'action' = `event.action` string
+
+**Fields:**
+* 'id' = `event.id` string

plugins/inputs/webhooks/filestack/filestack_webhooks.go

@@ -0,0 +1,44 @@
+package filestack
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/gorilla/mux"
+	"github.com/influxdata/telegraf"
+)
+
+type FilestackWebhook struct {
+	Path string
+	acc  telegraf.Accumulator
+}
+
+func (fs *FilestackWebhook) Register(router *mux.Router, acc telegraf.Accumulator) {
+	router.HandleFunc(fs.Path, fs.eventHandler).Methods("POST")
+
+	log.Printf("Started the webhooks_filestack on %s\n", fs.Path)
+	fs.acc = acc
+}
+
+func (fs *FilestackWebhook) eventHandler(w http.ResponseWriter, r *http.Request) {
+	defer r.Body.Close()
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	event := &FilestackEvent{}
+	err = json.Unmarshal(body, event)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	fs.acc.AddFields("filestack_webhooks", event.Fields(), event.Tags(), time.Unix(event.TimeStamp, 0))
+
+	w.WriteHeader(http.StatusOK)
+}

plugins/inputs/webhooks/filestack/filestack_webhooks_events.go

@@ -0,0 +1,21 @@
+package filestack
+
+import "strconv"
+
+type FilestackEvent struct {
+	Action    string `json:"action"`
+	TimeStamp int64  `json:"timestamp"`
+	Id        int    `json:"id"`
+}
+
+func (fe *FilestackEvent) Tags() map[string]string {
+	return map[string]string{
+		"action": fe.Action,
+	}
+}
+
+func (fe *FilestackEvent) Fields() map[string]interface{} {
+	return map[string]interface{}{
+		"id": strconv.Itoa(fe.Id),
+	}
+}

plugins/inputs/webhooks/filestack/filestack_webhooks_events_json_test.go

@@ -0,0 +1,110 @@
+package filestack
+
+func DialogOpenJSON() string {
+	return `{
+	  "action": "fp.dialog",
+	  "timestamp": 1435584646,
+	  "id": 102,
+	  "text": {
+	    "mimetypes": ["*/*"],
+	    "iframe": false,
+	    "language": "en",
+	    "id": "1435584650723",
+	    "mobile": false,
+	    "app":{
+	       "upsell": "false",
+	       "apikey": "YOUR_API_KEY",
+	       "customization":{
+	          "saveas_subheader": "Save it down to your local device or onto the Cloud",
+	          "folder_subheader": "Choose a folder to share with this application",
+	          "open_subheader": "Choose from the files on your local device or the ones you have online",
+	          "folder_header": "Select a folder",
+	          "help_text": "",
+	          "saveas_header": "Save your file",
+	          "open_header": "Upload a file"
+	       }
+	    },
+	    "dialogType": "open",
+	    "auth": false,
+	    "welcome_header": "Upload a file",
+	    "welcome_subheader": "Choose from the files on your local device or the ones you have online",
+	    "help_text": "",
+	    "recent_path": "/",
+	    "extensions": null,
+	    "maxSize": 0,
+	    "signature": null,
+	    "policy": null,
+	    "custom_providers": "imgur,cloudapp",
+	    "intra": false
+	  }
+	}`
+}
+
+func UploadJSON() string {
+	return `{
+	   "action":"fp.upload",
+	   "timestamp":1443444905,
+	   "id":100946,
+	   "text":{
+	      "url":"https://www.filestackapi.com/api/file/WAunDTTqQfCNWwUUyf6n",
+	      "client":"Facebook",
+	      "type":"image/jpeg",
+	      "filename":"1579337399020824.jpg",
+	      "size":139154
+	   }
+	}`
+}
+
+func VideoConversionJSON() string {
+	return `{
+	   "status":"completed",
+	   "message":"Done",
+	   "data":{
+	      "thumb":"https://cdn.filestackcontent.com/f1e8V88QDuxzOvtOAq1W",
+	      "thumb100x100":"https://process.filestackapi.com/AhTgLagciQByzXpFGRI0Az/resize=w:100,h:100,f:crop/output=f:jpg,q:66/https://cdn.filestackcontent.com/f1e8V88QDuxzOvtOAq1W",
+	      "thumb200x200":"https://process.filestackapi.com/AhTgLagciQByzXpFGRI0Az/resize=w:200,h:200,f:crop/output=f:jpg,q:66/https://cdn.filestackcontent.com/f1e8V88QDuxzOvtOAq1W",
+	      "thumb300x300":"https://process.filestackapi.com/AhTgLagciQByzXpFGRI0Az/resize=w:300,h:300,f:crop/output=f:jpg,q:66/https://cdn.filestackcontent.com/f1e8V88QDuxzOvtOAq1W",
+	      "url":"https://cdn.filestackcontent.com/VgvFVdvvTkml0WXPIoGn"
+	   },
+	   "metadata":{
+	      "result":{
+	         "audio_channels":2,
+	         "audio_codec":"vorbis",
+	         "audio_sample_rate":44100,
+	         "created_at":"2015/12/21 20:45:19 +0000",
+	         "duration":10587,
+	         "encoding_progress":100,
+	         "encoding_time":8,
+	         "extname":".webm",
+	         "file_size":293459,
+	         "fps":24,
+	         "height":260,
+	         "mime_type":"video/webm",
+	         "started_encoding_at":"2015/12/21 20:45:22 +0000",
+	         "updated_at":"2015/12/21 20:45:32 +0000",
+	         "video_bitrate":221,
+	         "video_codec":"vp8",
+	         "width":300
+	      },
+	      "source":{
+	         "audio_bitrate":125,
+	         "audio_channels":2,
+	         "audio_codec":"aac",
+	         "audio_sample_rate":44100,
+	         "created_at":"2015/12/21 20:45:19 +0000",
+	         "duration":10564,
+	         "extname":".mp4",
+	         "file_size":875797,
+	         "fps":24,
+	         "height":360,
+	         "mime_type":"video/mp4",
+	         "updated_at":"2015/12/21 20:45:32 +0000",
+	         "video_bitrate":196,
+	         "video_codec":"h264",
+	         "width":480
+	      }
+	   },
+	   "timestamp":"1453850583",
+	   "uuid":"638311d89d2bc849563a674a45809b7c"
+	}`
+}

plugins/inputs/webhooks/filestack/filestack_webhooks_test.go

@@ -0,0 +1,74 @@
+package filestack
+
+import (
+	"github.com/influxdata/telegraf/testutil"
+	"net/http"
+	"net/http/httptest"
+
+	"strings"
+	"testing"
+)
+
+func postWebhooks(md *FilestackWebhook, eventBody string) *httptest.ResponseRecorder {
+	req, _ := http.NewRequest("POST", "/filestack", strings.NewReader(eventBody))
+	w := httptest.NewRecorder()
+
+	md.eventHandler(w, req)
+
+	return w
+}
+
+func TestDialogEvent(t *testing.T) {
+	var acc testutil.Accumulator
+	fs := &FilestackWebhook{Path: "/filestack", acc: &acc}
+	resp := postWebhooks(fs, DialogOpenJSON())
+	if resp.Code != http.StatusOK {
+		t.Errorf("POST returned HTTP status code %v.\nExpected %v", resp.Code, http.StatusOK)
+	}
+
+	fields := map[string]interface{}{
+		"id": "102",
+	}
+
+	tags := map[string]string{
+		"action": "fp.dialog",
+	}
+
+	acc.AssertContainsTaggedFields(t, "filestack_webhooks", fields, tags)
+}
+
+func TestParseError(t *testing.T) {
+	fs := &FilestackWebhook{Path: "/filestack"}
+	resp := postWebhooks(fs, "")
+	if resp.Code != http.StatusBadRequest {
+		t.Errorf("POST returned HTTP status code %v.\nExpected %v", resp.Code, http.StatusBadRequest)
+	}
+}
+
+func TestUploadEvent(t *testing.T) {
+	var acc testutil.Accumulator
+	fs := &FilestackWebhook{Path: "/filestack", acc: &acc}
+	resp := postWebhooks(fs, UploadJSON())
+	if resp.Code != http.StatusOK {
+		t.Errorf("POST returned HTTP status code %v.\nExpected %v", resp.Code, http.StatusOK)
+	}
+
+	fields := map[string]interface{}{
+		"id": "100946",
+	}
+
+	tags := map[string]string{
+		"action": "fp.upload",
+	}
+
+	acc.AssertContainsTaggedFields(t, "filestack_webhooks", fields, tags)
+}
+
+func TestVideoConversionEvent(t *testing.T) {
+	var acc testutil.Accumulator
+	fs := &FilestackWebhook{Path: "/filestack", acc: &acc}
+	resp := postWebhooks(fs, VideoConversionJSON())
+	if resp.Code != http.StatusBadRequest {
+		t.Errorf("POST returned HTTP status code %v.\nExpected %v", resp.Code, http.StatusBadRequest)
+	}
+}

plugins/inputs/webhooks/webhooks.go

@@ -10,6 +10,7 @@ import (
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/plugins/inputs"
 
+	"github.com/influxdata/telegraf/plugins/inputs/webhooks/filestack"
 	"github.com/influxdata/telegraf/plugins/inputs/webhooks/github"
 	"github.com/influxdata/telegraf/plugins/inputs/webhooks/mandrill"
 	"github.com/influxdata/telegraf/plugins/inputs/webhooks/rollbar"
@@ -27,6 +28,7 @@ type Webhooks struct {
 	ServiceAddress string
 
 	Github    *github.GithubWebhook
+	Filestack *filestack.FilestackWebhook
 	Mandrill  *mandrill.MandrillWebhook
 	Rollbar   *rollbar.RollbarWebhook
 }
@@ -40,6 +42,9 @@ func (wb *Webhooks) SampleConfig() string {
   ## Address and port to host Webhook listener on
   service_address = ":1619"
 
+  [inputs.webhooks.filestack]
+    path = "/filestack"
+
   [inputs.webhooks.github]
     path = "/github"