new microsoft teams support

pkg/sinks/reciever.go

@@ -17,6 +17,7 @@ type ReceiverConfig struct {
 	Kafka         *KafkaConfig         `yaml:"kafka"`
 	Pubsub        *PubsubConfig        `yaml:"pubsub"`
 	Opscenter     *OpsCenterConfig     `yaml:"opscenter"`
+        Teams         *TeamsConfig         `yaml:"teams"`
 }
 
 func (r *ReceiverConfig) Validate() error {
@@ -77,5 +78,9 @@ func (r *ReceiverConfig) GetSink() (Sink, error) {
 		return NewOpsCenterSink(r.Opscenter)
 	}
 
+        if r.Teams != nil {
+                return NewTeamsSink(r.Teams)
+        }
+
 	return nil, errors.New("unknown sink")
 }

pkg/sinks/teams.go

@@ -0,0 +1,70 @@
+package sinks
+
+import (
+	"bytes"
+	"fmt"
+	"encoding/json"
+	"context"
+	"errors"
+	"github.com/opsgenie/kubernetes-event-exporter/pkg/kube"
+	"io/ioutil"
+	"net/http"
+)
+
+type TeamsConfig struct {
+	Endpoint string                 `yaml:"endpoint"`
+	Layout   map[string]interface{} `yaml:"layout"`
+	Headers  map[string]string      `yaml:"headers"`
+}
+
+func NewTeamsSink(cfg *TeamsConfig) (Sink, error) {
+	return &Teams{cfg: cfg}, nil
+}
+
+type Teams struct {
+	cfg *TeamsConfig
+}
+
+func (w *Teams) Close() {
+	// No-op
+}
+
+func (w *Teams) Send(ctx context.Context, ev *kube.EnhancedEvent) error {
+	event, err := serializeEventWithLayout(w.cfg.Layout, ev)
+	if err != nil {
+		return err
+	}
+	
+	var eventData map[string]interface{}
+	json.Unmarshal([]byte(event), &eventData)
+	output := fmt.Sprintf("Event: %s \nStatus: %s \nMetadata: %s", eventData["message"],  eventData["reason"], eventData["metadata"])
+
+	reqBody, err := json.Marshal(map[string]string{
+		"summary": "event",
+		"text": string([]byte(output)),
+	 })
+
+	req, err := http.NewRequest(http.MethodPost, w.cfg.Endpoint, bytes.NewReader(reqBody))
+	if err != nil {
+		return err
+	}
+	req.Header.Add("Content-Type", "application/json")
+	for k, v := range w.cfg.Headers {
+		req.Header.Add(k, v)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil
+	}
+
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+
+	// TODO: make this prettier please
+	if resp.StatusCode != http.StatusOK {
+		return errors.New("not 200: " + string(body))
+	}
+
+	return nil
+}