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update slack alert format #423

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update slack alert format #423

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29 changes: 17 additions & 12 deletions alertmanager/plugin/slack_webhook.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ import (
"fmt"
"io"
"net/http"
"strings"
"time"

"github.com/samber/lo"
Expand Down Expand Up @@ -50,10 +51,10 @@ func (s *SlackWebhook) SendAlert(data *AlertPayload) error {
payload := Payload{
Blocks: []Block{
{
Type: "section",
Type: "header",
Text: &TextBlock{
Type: "mrkdwn",
Text: ":alert: " + data.Summary,
Type: "plain_text",
Text: "🚨 " + data.Summary,
},
},
{
Expand All @@ -64,19 +65,23 @@ func (s *SlackWebhook) SendAlert(data *AlertPayload) error {

// Iterate through the map to construct the remaining blocks
for key, value := range data.Details {
// Split value into sentences by period followed by space
sentences := strings.Split(value.(string), ". ")
formattedValue := fmt.Sprintf("• *%s*\n", key)

// Add a bullet point before each trimmed sentence
for _, sentence := range sentences {
trimmedSentence := strings.TrimSpace(sentence) // Trim leading and trailing spaces
if trimmedSentence != "" {
formattedValue += fmt.Sprintf("• %s.\n", trimmedSentence) // Add period back and newline
}
}
payload.Blocks = append(payload.Blocks,
Block{
Type: "header",
Text: &TextBlock{
Type: "plain_text",
Text: key,
},
},
Block{
Type: "section",
Text: &TextBlock{
Type: "plain_text",
Text: fmt.Sprintf("%v", value),
Type: "mrkdwn",
Text: formattedValue,
},
},
Block{
Expand Down