feat: track deployment events (#1362)

Here we add logic for tracking the deployment(s) of a commit's version
to environment(s) and the triggering release train, if any.

Below is a sample.

| ![](https://i.imgur.com/KjGJgRA.png)|
| :---: |
| _Figure 1: sample commit page with deployment events_|

pkg/api/v1/api.proto

@@ -57,17 +57,28 @@ message GetCommitInfoResponse {
 message Event {
   // data that ALL events have:
   google.protobuf.Timestamp created_at = 1;
-
+  string uuid = 2;
   // data that is different per event type:
   oneof event_type {
-    CreateReleaseEvent create_release_event = 2;
+    CreateReleaseEvent create_release_event = 3;
+    DeploymentEvent deployment_event = 4;
   }
 }
 
 message CreateReleaseEvent {
   repeated string environment_names = 1;
 }
 
+message DeploymentEvent {
+  message ReleaseTrainSource {
+    string upstream_environment = 1;
+    optional string target_environment_group = 2;
+  }
+  string application = 1;
+  string target_environment = 2;
+  optional ReleaseTrainSource release_train_source = 3;
+}
+
 message TagData {
   string tag = 1;
   string commit_id = 2;

pkg/uuid/uuid.go

@@ -39,3 +39,8 @@ func GetTime(id *UUID) *timestamppb.Timestamp {
 	result := timestamppb.New(ts)
 	return result
 }
+
+func TimeFromUUID(uuidStr string) *timestamppb.Timestamp {
+	uuidVar, _ := timeuuid.ParseUUID(uuidStr)
+	return GetTime(&uuidVar)
+}

services/cd-service/pkg/event/event.go

@@ -17,4 +17,5 @@ package event
 
 const (
 	NewReleaseEventName = "new-release"
+	DeploymentEventName = "deployment"
 )

services/cd-service/pkg/repository/testutil/testutil.go

@@ -34,11 +34,15 @@ package testutil
 
 import (
 	"context"
+	"fmt"
+	"strings"
+	"time"
+
 	"github.com/freiheit-com/kuberpult/services/cd-service/pkg/config"
 	"github.com/onokonem/sillyQueueServer/timeuuid"
-	"time"
 
 	"github.com/freiheit-com/kuberpult/pkg/auth"
+	"github.com/freiheit-com/kuberpult/pkg/uuid"
 	"google.golang.org/grpc/metadata"
 )
 
@@ -110,3 +114,29 @@ type TestGenerator struct {
 func (t TestGenerator) Generate() string {
 	return timeuuid.UUIDFromTime(t.Time).String()
 }
+
+type IncrementalUUIDBase struct {
+	count uint64
+}
+
+func (gen *IncrementalUUIDBase) Generate() string {
+	ret := "00000000-0000-0000-0000-" + strings.Repeat("0", (12-len(fmt.Sprint(gen.count)))) + fmt.Sprint(gen.count)
+	gen.count++
+	return ret
+}
+
+type IncrementalUUID struct {
+	gen *IncrementalUUIDBase
+}
+
+func (gen IncrementalUUID) Generate() string {
+	return gen.gen.Generate()
+}
+
+func NewIncrementalUUIDGenerator() uuid.GenerateUUIDs {
+	fakeGenBase := IncrementalUUIDBase{}
+	fakeGen := IncrementalUUID{
+		gen: &fakeGenBase,
+	}
+	return fakeGen
+}