New Particle Plugin

This commit is contained in:
David G. Simmons 2017-10-02 16:50:23 -04:00
parent c934f36c1c
commit 8e70b56ded
8 changed files with 203 additions and 0 deletions

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# particle webhooks
You should configure your Rollbar's Webhooks to point at the `webhooks` service. To do this go to `particle.com/` and click `Settings > Notifications > Webhook`. In the resulting page set `URL` to `http://<my_ip>:1619/particle`, and click on `Enable Webhook Integration`.
## 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.
The number of tag values and field values is not restrictied so you can send as many values per webhook call as you'd like.
You will need to enable JSON messages in the Webhooks setup of Particle.io
See [webhook doc](https://docs.particle.io/reference/webhooks/)

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package particle
import (
"encoding/json"
"github.com/gorilla/mux"
"github.com/influxdata/telegraf"
"io/ioutil"
"log"
"net/http"
"time"
)
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()
data, err := ioutil.ReadAll(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
dummy := &DummyData{}
if err := json.Unmarshal(data, dummy); err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
pd := &ParticleData{}
if err := json.Unmarshal([]byte(dummy.Data), pd); err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
pTime, err := dummy.Time()
if err != nil {
log.Printf("Time Conversion Error")
pTime = time.Now()
}
rb.acc.AddFields(dummy.InfluxDB, pd.Fields, pd.Tags, pTime)
w.WriteHeader(http.StatusOK)
}

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package particle
import (
"time"
)
type DummyData struct {
Event string `json:"event"`
Data string `json:"data"`
Ttl int `json:"ttl"`
PublishedAt string `json:"published_at"`
InfluxDB string `json:"influx_db"`
}
type ParticleData struct {
Event string `json:"event"`
Tags map[string]string `json:"tags"`
Fields map[string]interface{} `json:"values"`
}
func (d *DummyData) Time() (time.Time, error) {
return time.Parse("2006-01-02T15:04:05Z", d.PublishedAt)
}

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package particle
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
}
}",
"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"
}`
}

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package particle
import (
"github.com/influxdata/telegraf/testutil"
"log"
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func postWebhooks(rb *ParticleWebhook, eventBody string) *httptest.ResponseRecorder {
req, _ := http.NewRequest("POST", "/", strings.NewReader(eventBody))
log.Printf("eventBody: %s\n", eventBody)
w := httptest.NewRecorder()
w.Code = 500
rb.eventHandler(w, req)
return w
}
func TestNewItem(t *testing.T) {
var acc testutil.Accumulator
rb := &ParticleWebhook{Path: "/particle", acc: &acc}
resp := postWebhooks(rb, NewItemJSON())
log.Printf("Respnse: %s\n", resp.Body)
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,
"humidity": 44.937500,
"pressure": 998.998901,
"altitude": 119.331436,
"broadband": 1266,
"infrared": 528,
"lux": 0,
}
tags := map[string]string{
"id": "230035001147343438323536",
"location": "TravelingWilbury",
}
acc.AssertContainsTaggedFields(t, "particle_webhooks", fields, tags)
}
func TestUnknowItem(t *testing.T) {
rb := &ParticleWebhook{Path: "/particle"}
resp := postWebhooks(rb, UnknowJSON())
log.Printf("Response: %s\n", resp.Body)
if resp.Code != http.StatusOK {
t.Errorf("POST unknown returned HTTP status code %v.\nExpected %v", resp.Code, http.StatusOK)
}
}

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@ -15,6 +15,7 @@ import (
"github.com/influxdata/telegraf/plugins/inputs/webhooks/github"
"github.com/influxdata/telegraf/plugins/inputs/webhooks/mandrill"
"github.com/influxdata/telegraf/plugins/inputs/webhooks/papertrail"
"github.com/influxdata/telegraf/plugins/inputs/webhooks/particle"
"github.com/influxdata/telegraf/plugins/inputs/webhooks/rollbar"
)
@ -34,6 +35,7 @@ type Webhooks struct {
Mandrill *mandrill.MandrillWebhook
Rollbar *rollbar.RollbarWebhook
Papertrail *papertrail.PapertrailWebhook
Particle *particle.ParticleWebhook
srv *http.Server
}
@ -62,6 +64,9 @@ func (wb *Webhooks) SampleConfig() string {
[inputs.webhooks.papertrail]
path = "/papertrail"
[inputs.webhooks.particle]
path = "/particle"
`
}

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@ -6,6 +6,7 @@ import (
"github.com/influxdata/telegraf/plugins/inputs/webhooks/github"
"github.com/influxdata/telegraf/plugins/inputs/webhooks/papertrail"
"github.com/influxdata/telegraf/plugins/inputs/webhooks/particle"
"github.com/influxdata/telegraf/plugins/inputs/webhooks/rollbar"
)
@ -33,4 +34,9 @@ func TestAvailableWebhooks(t *testing.T) {
if !reflect.DeepEqual(wb.AvailableWebhooks(), expected) {
t.Errorf("expected to be %v.\nGot %v", expected, wb.AvailableWebhooks())
}
wb.Particle = &particle.ParticleWebhook{Path: "/particle"}
expected = append(expected, wb.Particle)
if !reflect.DeepEqual(wb.AvailableWebhooks(), expected) {
t.Errorf("expected to be %v.\nGot %v", expected, wb.AvailableWebhooks())
}
}