Add card feature to msteamsv2_config

config/notifiers.go

@@ -872,6 +872,7 @@ type MSTeamsV2Config struct {
 
 	Title string `yaml:"title,omitempty" json:"title,omitempty"`
 	Text  string `yaml:"text,omitempty" json:"text,omitempty"`
+	Card  string `yaml:"card,omitempty" json:"card,omitempty"`
 }
 
 func (c *MSTeamsV2Config) UnmarshalYAML(unmarshal func(interface{}) error) error {

docs/configuration.md

@@ -992,6 +992,11 @@ Microsoft Teams v2 notifications using the new message format with adaptive card
 # Message body template.
 [ text: <tmpl_string> | default = '{{ template "msteamsv2.default.text" . }}' ]
 
+# Message body card.
+# If not null, it will override title and text values (no need to configure these values)
+# You can find a complete sample file template here 'examples/msteamsv2/card.tmpl' and provide '{{ template "msteams.card" . }}' in the card value to test.
+[ card: <tmpl_string> ]
+
 # The HTTP client's configuration.
 [ http_config: <http_config> | default = global.http_config ]
 ```

examples/msteamsv2/card.tmpl

@@ -0,0 +1,75 @@
+{{ define "msteams.card" }}
+{
+  "Type": "message",
+  "Attachments": [
+    {
+      "contentType": "application/vnd.microsoft.card.adaptive",
+      "content": {
+        "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
+        "type": "AdaptiveCard",
+        "version": "1.4",
+        "msteams": {
+          "width": "Full"
+        },
+        "body": [
+          {
+            "type": "ColumnSet",
+            "style": "{{ if eq .Status "firing" }}attention{{ else if eq .Status "resolved" }}good{{ else }}warning{{ end }}",
+            "columns": [
+              {
+                "type": "Column",
+                "width": "stretch",
+                "items": [
+                  {
+                    "type": "TextBlock",
+                    "weight": "Bolder",
+                    "size": "ExtraLarge",
+                    "color": "{{ if eq .Status "firing" }}attention{{ else if eq .Status "resolved" }}good{{ else }}warning{{ end }}",
+                    "text": "{{ if eq .Status "firing" }}🔥{{ else if eq .Status "resolved" }}✅{{ else }}⚠️{{ end }} Prometheus alert {{ if eq .Status "resolved" }}(Resolved){{ else if eq .Status "firing" }}(Firing){{ else if eq .Status "unknown" }}(Unknown){{ else }}(Warning){{ end }}"
+                  },
+                  {
+                    "type": "TextBlock",
+                    "weight": "Bolder",
+                    "size": "ExtraLarge",
+                    "text": "{{ if eq .Status "resolved" }}(Resolved) {{ end }}{{ .CommonAnnotations.summary }}",
+                    "wrap": true
+                  }
+                ]
+              }
+            ]
+          },
+          {
+            "type": "FactSet",
+            "facts": [
+              { "title": "Status", "value": "{{ .Status }} {{ if eq .Status "firing" }}🔥{{ else if eq .Status "resolved" }}✅{{ else }}⚠️{{ end }}" }
+              {{ if .CommonLabels.alertname }}, { "title": "Alert", "value": "{{ .CommonLabels.alertname }}" }{{ end }}
+              {{ if .CommonLabels.instance }}, { "title": "In host", "value": "{{ .CommonLabels.instance }}" }{{ end }}
+              {{ if .CommonLabels.severity }}, { "title": "Severity", "value": "{{ .CommonLabels.severity }} {{ if eq .CommonLabels.severity "critical" }}❌{{ else if eq .CommonLabels.severity "error" }}❗️{{ else if eq .CommonLabels.severity "warning" }}⚠️{{ else if eq .CommonLabels.severity "info" }}ℹ️{{ else }}❓{{ end }}" }{{ end }}
+              {{ if .CommonAnnotations.description }}, { "title": "Description", "value": "{{ .CommonAnnotations.description }}" }{{ end }}
+              {{- range $key, $value := .CommonLabels }}
+                {{- if and (ne $key "alertname") (ne $key "instance") (ne $key "severity") }}
+                , { "title": "{{ $key }}", "value": "{{ $value }}" }
+                {{- end }}
+              {{- end }}
+              {{- range $key, $value := .CommonAnnotations }}
+                {{- if and (ne $key "summary") (ne $key "description") }}
+                , { "title": "{{ $key }}", "value": "{{ $value }}" }
+                {{- end }}
+              {{- end }}
+            ]
+          }
+        ]
+        {{ if .CommonAnnotations.runbook_url }},
+        "actions": [
+            {
+                "type": "Action.OpenUrl",
+                "title": "View details",
+                "url": "{{ .CommonAnnotations.runbook_url }}"
+            }
+        ]
+        {{ end }}
+      }
+    }
+  ]
+}
+{{ end }}

notify/msteamsv2/msteamsv2.go

@@ -125,6 +125,10 @@ func (n *Notifier) Notify(ctx context.Context, as ...*types.Alert) (bool, error)
 	if err != nil {
 		return false, err
 	}
+	card := tmpl(n.conf.Card)
+	if err != nil {
+		return false, err
+	}
 
 	alerts := types.Alerts(as...)
 	color := colorGrey
@@ -146,44 +150,55 @@ func (n *Notifier) Notify(ctx context.Context, as ...*types.Alert) (bool, error)
 		url = strings.TrimSpace(string(content))
 	}
 
-	// A message as referenced in https://learn.microsoft.com/en-us/connectors/teams/?tabs=text1%2Cdotnet#request-body-schema
-	t := teamsMessage{
-		Type: "message",
-		Attachments: []Attachment{
-			{
-				ContentType: "application/vnd.microsoft.card.adaptive",
-				ContentURL:  nil,
-				Content: Content{
-					Schema:  "http://adaptivecards.io/schemas/adaptive-card.json",
-					Type:    "AdaptiveCard",
-					Version: "1.2",
-					Body: []Body{
-						{
-							Type:   "TextBlock",
-							Text:   title,
-							Weight: "Bolder",
-							Size:   "Medium",
-							Wrap:   true,
-							Style:  "heading",
-							Color:  color,
+	// If the card is empty, use title and text otherwise use card.
+	var payload bytes.Buffer
+	if card == "" {
+		// A message as referenced in https://learn.microsoft.com/en-us/connectors/teams/?tabs=text1%2Cdotnet#request-body-schema
+		t := teamsMessage{
+			Type: "message",
+			Attachments: []Attachment{
+				{
+					ContentType: "application/vnd.microsoft.card.adaptive",
+					ContentURL:  nil,
+					Content: Content{
+						Schema:  "http://adaptivecards.io/schemas/adaptive-card.json",
+						Type:    "AdaptiveCard",
+						Version: "1.2",
+						Body: []Body{
+							{
+								Type:   "TextBlock",
+								Text:   title,
+								Weight: "Bolder",
+								Size:   "Medium",
+								Wrap:   true,
+								Style:  "heading",
+								Color:  color,
+							},
+							{
+								Type: "TextBlock",
+								Text: text,
+							},
 						},
-						{
-							Type: "TextBlock",
-							Text: text,
-							Wrap: true,
+						Msteams: Msteams{
+							Width: "full",
 						},
 					},
-					Msteams: Msteams{
-						Width: "full",
-					},
 				},
 			},
-		},
-	}
+		}
 
-	var payload bytes.Buffer
-	if err = json.NewEncoder(&payload).Encode(t); err != nil {
-		return false, err
+		if err = json.NewEncoder(&payload).Encode(t); err != nil {
+			return false, err
+		}
+	} else {
+		// Transform card string into object
+		var jsonMap map[string]interface{}
+		json.Unmarshal([]byte(card), &jsonMap)
+		n.logger.Debug("jsonMap", "jsonMap", jsonMap)
+
+		if err = json.NewEncoder(&payload).Encode(jsonMap); err != nil {
+			return false, err
+		}
 	}
 
 	resp, err := n.postJSONFunc(ctx, n.client, url, &payload)