[CCIP-2611] Report new heads to atlas' OTI

.changeset/proud-jokes-exercise.md

@@ -0,0 +1,5 @@
+---
+"chainlink": minor
+---
+
+#added Report new heads as a telemetry to OTI

.mockery.yaml

@@ -262,11 +262,20 @@ packages:
       ORM:
       Runner:
       PipelineParamUnmarshaler:
-  github.com/smartcontractkit/chainlink/v2/core/services/promreporter:
+  github.com/smartcontractkit/chainlink/v2/core/services/headreporter:
     config:
-      dir: core/internal/mocks
+      dir: "{{ .InterfaceDir }}"
+      filename: "{{ .InterfaceName | snakecase }}_mock.go"
+      inpackage: true
+      mockname: "Mock{{ .InterfaceName | camelcase }}"
     interfaces:
+      HeadReporter:
       PrometheusBackend:
+  github.com/smartcontractkit/libocr/commontypes:
+    config:
+      dir: "common/types/mocks"
+    interfaces:
+      MonitoringEndpoint:
   github.com/smartcontractkit/chainlink/v2/core/services/relay/evm:
     interfaces:
       BatchCaller:
@@ -301,6 +310,15 @@ packages:
     interfaces:
       Config:
       FeeConfig:
+  github.com/smartcontractkit/chainlink/v2/core/services/telemetry:
+    config:
+      dir: "{{ .InterfaceDir }}"
+      filename: "{{ .InterfaceName | snakecase }}_mock.go"
+      inpackage: true
+      mockname: "Mock{{ .InterfaceName | camelcase }}"
+    interfaces:
+      MonitoringEndpointGenerator:
+      IngressAgent:
   github.com/smartcontractkit/chainlink/v2/core/services/webhook:
     interfaces:
       ExternalInitiatorManager:

core/services/chainlink/application.go

@@ -45,6 +45,7 @@ import (
 	"github.com/smartcontractkit/chainlink/v2/core/services/feeds"
 	"github.com/smartcontractkit/chainlink/v2/core/services/fluxmonitorv2"
 	"github.com/smartcontractkit/chainlink/v2/core/services/gateway"
+	"github.com/smartcontractkit/chainlink/v2/core/services/headreporter"
 	"github.com/smartcontractkit/chainlink/v2/core/services/job"
 	"github.com/smartcontractkit/chainlink/v2/core/services/keeper"
 	"github.com/smartcontractkit/chainlink/v2/core/services/keystore"
@@ -56,7 +57,6 @@ import (
 	externalp2p "github.com/smartcontractkit/chainlink/v2/core/services/p2p/wrapper"
 	"github.com/smartcontractkit/chainlink/v2/core/services/periodicbackup"
 	"github.com/smartcontractkit/chainlink/v2/core/services/pipeline"
-	"github.com/smartcontractkit/chainlink/v2/core/services/promreporter"
 	"github.com/smartcontractkit/chainlink/v2/core/services/registrysyncer"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/mercury"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/mercury/wsrpc"
@@ -323,8 +323,6 @@ func NewApplication(opts ApplicationOpts) (Application, error) {
 
 	srvcs = append(srvcs, mailMon)
 	srvcs = append(srvcs, relayerChainInterops.Services()...)
-	promReporter := promreporter.NewPromReporter(opts.DS, legacyEVMChains, globalLogger)
-	srvcs = append(srvcs, promReporter)
 
 	// Initialize Local Users ORM and Authentication Provider specified in config
 	// BasicAdminUsersORM is initialized and required regardless of separate Authentication Provider
@@ -364,8 +362,16 @@ func NewApplication(opts ApplicationOpts) (Application, error) {
 		workflowORM    = workflowstore.NewDBStore(opts.DS, globalLogger, clockwork.NewRealClock())
 	)
 
+	promReporter := headreporter.NewPrometheusReporter(opts.DS, legacyEVMChains)
+	chainIDs := make([]*big.Int, legacyEVMChains.Len())
+	for i, chain := range legacyEVMChains.Slice() {
+		chainIDs[i] = chain.ID()
+	}
+	telemReporter := headreporter.NewTelemetryReporter(telemetryManager, chainIDs...)
+	headReporter := headreporter.NewHeadReporterService(opts.DS, globalLogger, promReporter, telemReporter)
+	srvcs = append(srvcs, headReporter)
 	for _, chain := range legacyEVMChains.Slice() {
-		chain.HeadBroadcaster().Subscribe(promReporter)
+		chain.HeadBroadcaster().Subscribe(headReporter)
 		chain.TxManager().RegisterResumeCallback(pipelineRunner.ResumeRun)
 	}