feat: silence button for slack notifications

notification/cel.go

@@ -2,6 +2,7 @@ package notification
 
 import (
 	"errors"
+	"fmt"
 
 	"github.com/flanksource/duty/context"
 	"github.com/flanksource/duty/models"
@@ -24,8 +25,24 @@ type celVariables struct {
 	Comment *models.Comment
 	Author  *models.Person
 
-	NewState  string
-	Permalink string
+	NewState   string
+	Permalink  string
+	SilenceURL string
+}
+
+func (t *celVariables) SetSilenceURL(frontendURL string) {
+	baseURL := fmt.Sprintf("%s/settings/notifications/silence", frontendURL)
+
+	switch {
+	case t.ConfigItem != nil:
+		t.SilenceURL = fmt.Sprintf("%s?config_id=%s", baseURL, t.ConfigItem.ID.String())
+	case t.Component != nil:
+		t.SilenceURL = fmt.Sprintf("%s?component_id=%s", baseURL, t.Component.ID.String())
+	case t.Check != nil:
+		t.SilenceURL = fmt.Sprintf("%s?check_id=%s", baseURL, t.Check.ID.String())
+	case t.Canary != nil:
+		t.SilenceURL = fmt.Sprintf("%s?canary_id=%s", baseURL, t.Canary.ID.String())
+	}
 }
 
 func (t *celVariables) GetResourceHealth(ctx context.Context) (models.Health, error) {
@@ -48,7 +65,8 @@ func (t *celVariables) GetResourceHealth(ctx context.Context) (models.Health, er
 
 func (t *celVariables) AsMap() map[string]any {
 	output := map[string]any{
-		"permalink": t.Permalink,
+		"permalink":  t.Permalink,
+		"silenceURL": t.SilenceURL,
 	}
 
 	if t.Agent != nil {

notification/events.go

@@ -534,5 +534,6 @@ func getEnvForEvent(ctx context.Context, event models.Event, properties map[stri
 		env.Permalink = fmt.Sprintf("%s/catalog/%s", api.FrontendURL, configID)
 	}
 
+	env.SetSilenceURL(api.FrontendURL)
 	return &env, nil
 }

notification/template.go

@@ -139,10 +139,21 @@ var templateFuncs = map[string]any{
 			}
 		}`, text)
 	},
-	"slackURLAction": func(name, url string) string {
-		return fmt.Sprintf(`{
-			"type": "actions",
-			"elements": [
+	"slackURLAction": func(val ...string) string {
+		if len(val)%2 != 0 {
+			return "slackURLAction received an uneven pair of the action name and url"
+		}
+
+		var elements []string
+		for i, pair := range lo.Chunk(val, 2) {
+			name, url := pair[0], pair[1]
+
+			var buttonStyle string
+			if i == 0 {
+				buttonStyle = "primary"
+			}
+
+			elements = append(elements, fmt.Sprintf(`
 				{
 					"type": "button",
 					"text": {
@@ -151,9 +162,11 @@ var templateFuncs = map[string]any{
 						"emoji": true
 					},
 					"url": "%s",
-					"action_id": "%s"
-				}
-			]
-		}`, name, url, name)
+					"action_id": "%s",
+					"style": "%s"
+				}`, name, url, name, buttonStyle))
+		}
+
+		return fmt.Sprintf(`{"type": "actions", "elements": [%s]}`, strings.Join(elements, ","))
 	},
 }

notification/templates/check.failed

@@ -15,7 +15,7 @@
 			]
 		},
 		{{ if .check.labels}}{{slackSectionLabels .check}},{{end}}
-		{{ slackURLAction "View Health Check" .permalink}}
+		{{ slackURLAction "View Health Check" .permalink "🔕 Silence" .silenceURL}}
 	]
 }
 {{ else }}

notification/templates/check.passed

@@ -15,7 +15,7 @@
 			]
 		},
     {{ if .check.labels}}{{slackSectionLabels .check}},{{end}}
-    {{ slackURLAction "View Health Check" .permalink}}
+    {{ slackURLAction "View Health Check" .permalink "🔕 Silence" .silenceURL}}
   ]
 }
 {{ else }}

notification/templates/component.health

@@ -15,7 +15,7 @@
 			]
 		},
 		{{if .component.labels}}{{slackSectionLabels .component}},{{end}}
-		{{slackURLAction "View Component" .permalink}}
+		{{slackURLAction "View Component" .permalink "🔕 Silence" .silenceURL}}
 	]
 }
 

notification/templates/config.db.update

@@ -15,7 +15,7 @@
 			]
 		},
 		{{if .config.labels}}{{slackSectionLabels .config}},{{end}}
-		{{slackURLAction "View Catalog" .permalink}}
+		{{slackURLAction "View Catalog" .permalink "🔕 Silence" .silenceURL}}
 	]
 }
 

notification/templates/config.health

@@ -15,7 +15,7 @@
 			]
 		},
 		{{if .config.labels}}{{slackSectionLabels .config}},{{end}}
-		{{slackURLAction "View Catalog" .permalink}}
+		{{slackURLAction "View Catalog" .permalink "🔕 Silence" .silenceURL}}
 	]
 }