Revert changes since 9b0af4478

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Daniel Nelson 2017-11-03 21:06:59 -07:00
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.idea .idea
*~ *~
*# *#
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# particle webhooks
You should configure your Particle.io's Webhooks to point at the `webhooks` service. To do this go to `(https://console.particle.io/)[https://console.particle.io]` and click `Integrations > New Integration > Webhook`. In the resulting page set `URL` to `http://<my_ip>:1619/particle`, and under `Advanced Settings` click on `JSON` and add:
```
{
"influx_db": "your_measurement_name"
}
```
If required, enter your username and password, etc. and then click `Save`
## Events
Your Particle device should publish an event that contains a JSON in the form of:
```
String data = String::format("{ \"tags\" : {
\"tag_name\": \"tag_value\",
\"other_tag\": \"other_value\"
},
\"values\": {
\"value_name\": %f,
\"other_value\": %f,
}
}", value_value, other_value
);
Particle.publish("event_name", data, PRIVATE);
```
Escaping the "" is required in the source file on the Particle device.
The number of tag values and field values is not restricted so you can send as many values per webhook call as you'd like.
See [webhook doc](https://docs.particle.io/reference/webhooks/)

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package particle
import (
"encoding/json"
"log"
"net/http"
"time"
"github.com/gorilla/mux"
"github.com/influxdata/telegraf"
)
type event struct {
Name string `json:"event"`
Data data `json:"data"`
TTL int `json:"ttl"`
PublishedAt string `json:"published_at"`
Database string `json:"influx_db"`
}
type data struct {
Tags map[string]string `json:"tags"`
Fields map[string]interface{} `json:"values"`
}
func newEvent() *event {
return &event{
Data: data{
Tags: make(map[string]string),
Fields: make(map[string]interface{}),
},
}
}
func (e *event) Time() (time.Time, error) {
return time.Parse("2006-01-02T15:04:05Z", e.PublishedAt)
}
type ParticleWebhook struct {
Path string
acc telegraf.Accumulator
}
func (rb *ParticleWebhook) Register(router *mux.Router, acc telegraf.Accumulator) {
router.HandleFunc(rb.Path, rb.eventHandler).Methods("POST")
log.Printf("I! Started the webhooks_particle on %s\n", rb.Path)
rb.acc = acc
}
func (rb *ParticleWebhook) eventHandler(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
e := newEvent()
if err := json.NewDecoder(r.Body).Decode(e); err != nil {
log.Println(err)
w.WriteHeader(http.StatusBadRequest)
return
}
pTime, err := e.Time()
if err != nil {
pTime = time.Now()
log.Printf("error parsing particle event time: %s. Using telegraf host time instead: %s", e.PublishedAt, pTime)
}
rb.acc.AddFields(e.Name, e.Data.Fields, e.Data.Tags, pTime)
w.WriteHeader(http.StatusOK)
}

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package particle
import (
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/influxdata/telegraf/testutil"
)
func postWebhooks(rb *ParticleWebhook, eventBody string) *httptest.ResponseRecorder {
req, _ := http.NewRequest("POST", "/", strings.NewReader(eventBody))
w := httptest.NewRecorder()
w.Code = 500
rb.eventHandler(w, req)
return w
}
func TestNewItem(t *testing.T) {
t.Parallel()
var acc testutil.Accumulator
rb := &ParticleWebhook{Path: "/particle", acc: &acc}
resp := postWebhooks(rb, NewItemJSON())
if resp.Code != http.StatusOK {
t.Errorf("POST new_item returned HTTP status code %v.\nExpected %v", resp.Code, http.StatusOK)
}
fields := map[string]interface{}{
"temp_c": 26.680000,
"temp_f": 80.024001,
"infrared": 528.0,
"lux": 0.0,
"humidity": 44.937500,
"pressure": 998.998901,
"altitude": 119.331436,
"broadband": 1266.0,
}
tags := map[string]string{
"id": "230035001147343438323536",
"location": "TravelingWilbury",
}
acc.AssertContainsTaggedFields(t, "temperature", fields, tags)
}
func TestUnknowItem(t *testing.T) {
t.Parallel()
var acc testutil.Accumulator
rb := &ParticleWebhook{Path: "/particle", acc: &acc}
resp := postWebhooks(rb, UnknowJSON())
if resp.Code != http.StatusOK {
t.Errorf("POST unknown returned HTTP status code %v.\nExpected %v", resp.Code, http.StatusOK)
}
}
func NewItemJSON() string {
return `
{
"event": "temperature",
"data": {
"tags": {
"id": "230035001147343438323536",
"location": "TravelingWilbury"
},
"values": {
"temp_c": 26.680000,
"temp_f": 80.024001,
"humidity": 44.937500,
"pressure": 998.998901,
"altitude": 119.331436,
"broadband": 1266,
"infrared": 528,
"lux": 0.0
}
},
"ttl": 60,
"published_at": "2017-09-28T21:54:10.897Z",
"coreid": "123456789938323536",
"userid": "1234ee123ac8e5ec1231a123d",
"version": 10,
"public": false,
"productID": 1234,
"name": "sensor",
"influx_db": "mydata"
}`
}
func UnknowJSON() string {
return `
{
"event": "roger"
}`
}