feat: push telemetry (#6027)

* document analytics config

* rework configuration and docs

* describe HandleActiveInstances better

* describe active instances on quotas better

* only projected events are considered

* cleanup

* describe changes at runtime

* push milestones

* stop tracking events

* calculate and push 4 in 6 milestones

* reduce milestone pushed

* remove docs

* fix scheduled pseudo event projection

* push 5 in 6 milestones

* push 6 in 6 milestones

* ignore client ids

* fix text array contains

* push human readable milestone type

* statement unit tests

* improve dev and db performance

* organize imports

* cleanup

* organize imports

* test projection

* check rows.Err()

* test search query

* pass linting

* review

* test 4 milestones

* simplify milestone by instance ids query

* use type NamespacedCondition

* cleanup

* lint

* lint

* dont overwrite original error

* no opt-in in examples

* cleanup

* prerelease

* enable request headers

* make limit configurable

* review fixes

* only requeue special handlers secondly

* include integration tests

* Revert "include integration tests"

This reverts commit 96db9504ecdb4e73451f09554fd749cd7c27341f.

* pass reducers

* test handlers

* fix unit test

* feat: increment version

* lint

* remove prerelease

* fix integration tests

internal/notification/channels/webhook/channel.go

@@ -21,10 +21,8 @@ func InitChannel(ctx context.Context, cfg Config) (channels.NotificationChannel,
 
 	logging.Debug("successfully initialized webhook json channel")
 	return channels.HandleMessageFunc(func(message channels.Message) error {
-
 		requestCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
 		defer cancel()
-
 		msg, ok := message.(*messages.JSON)
 		if !ok {
 			return errors.ThrowInternal(nil, "WEBH-K686U", "message is not JSON")
@@ -33,27 +31,24 @@ func InitChannel(ctx context.Context, cfg Config) (channels.NotificationChannel,
 		if err != nil {
 			return err
 		}
-
 		req, err := http.NewRequestWithContext(requestCtx, cfg.Method, cfg.CallURL, strings.NewReader(payload))
 		if err != nil {
 			return err
 		}
-
+		if cfg.Headers != nil {
+			req.Header = cfg.Headers
+		}
 		req.Header.Set("Content-Type", "application/json")
-
 		resp, err := http.DefaultClient.Do(req)
 		if err != nil {
 			return err
 		}
-
 		if err = resp.Body.Close(); err != nil {
 			return err
 		}
-
 		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
 			return errors.ThrowUnknown(fmt.Errorf("calling url %s returned %s", cfg.CallURL, resp.Status), "WEBH-LBxU0", "webhook didn't return a success status")
 		}
-
 		logging.WithFields("calling_url", cfg.CallURL, "method", cfg.Method).Debug("webhook called")
 		return nil
 	}), nil

internal/notification/channels/webhook/config.go

@@ -1,12 +1,14 @@
 package webhook
 
 import (
+	"net/http"
 	"net/url"
 )
 
 type Config struct {
 	CallURL string
 	Method  string
+	Headers http.Header
 }
 
 func (w *Config) Validate() error {