From c638edd346ba4cf8790ee41a355be99a396d1aea Mon Sep 17 00:00:00 2001
From: baldey-nz <baldey@gmail.com>
Date: Wed, 27 Oct 2021 10:01:39 +1300
Subject: [PATCH] If applied, this commit will add an optional canary spec
 field named summary for notification purposes

Signed-off-by: baldey-nz <baldey@gmail.com>
---
 artifacts/flagger/crd.yaml         |  3 +++
 pkg/apis/flagger/v1beta1/canary.go |  4 ++++
 pkg/controller/events.go           | 10 ++++++++++
 3 files changed, 17 insertions(+)

diff --git a/artifacts/flagger/crd.yaml b/artifacts/flagger/crd.yaml
index b0e148ad..404c2578 100644
--- a/artifacts/flagger/crd.yaml
+++ b/artifacts/flagger/crd.yaml
@@ -79,6 +79,9 @@ spec:
                 - service
                 - analysis
               properties:
+                summary:
+                  description: Optional msg to add to each notification
+                  type: string
                 provider:
                   description: Traffic managent provider
                   type: string
diff --git a/pkg/apis/flagger/v1beta1/canary.go b/pkg/apis/flagger/v1beta1/canary.go
index 0e6c533c..ab268b67 100644
--- a/pkg/apis/flagger/v1beta1/canary.go
+++ b/pkg/apis/flagger/v1beta1/canary.go
@@ -103,6 +103,10 @@ type CanarySpec struct {
 	// revert canary mutation on deletion of canary resource
 	// +optional
 	RevertOnDeletion bool `json:"revertOnDeletion,omitempty"`
+
+	// Summary creates new notification message
+	// +optional
+	Summary string `json:"summary,omitempty"`
 }
 
 // CanaryService defines how ClusterIP services, service mesh or ingress routing objects are generated
diff --git a/pkg/controller/events.go b/pkg/controller/events.go
index c70123e6..8b49f3f7 100644
--- a/pkg/controller/events.go
+++ b/pkg/controller/events.go
@@ -175,6 +175,16 @@ func (c *Controller) alert(canary *flaggerv1.Canary, message string, metadata bo
 
 func alertMetadata(canary *flaggerv1.Canary) []notifier.Field {
 	var fields []notifier.Field
+
+	if canary.Spec.Summary != "" {
+		fields = append(fields,
+			notifier.Field{
+				Name:  "Summary",
+				Value: canary.Spec.Summary,
+			},
+		)
+	}
+
 	fields = append(fields,
 		notifier.Field{
 			Name:  "Target",