diff --git a/README.md b/README.md
index 3a17210f..e5a9c455 100644
--- a/README.md
+++ b/README.md
@@ -626,12 +626,14 @@ endpoints:
#### Configuring Slack alerts
-| Parameter | Description | Default |
-|:-------------------------------|:-------------------------------------------------------------------------------------------|:--------------|
-| `alerting.slack` | Configuration for alerts of type `slack` | `{}` |
-| `alerting.slack.webhook-url` | Slack Webhook URL | Required `""` |
-| `alerting.slack.default-alert` | Default alert configuration.
See [Setting a default alert](#setting-a-default-alert) | N/A |
-
+| Parameter | Description | Default |
+|:------------------------------------------|:-------------------------------------------------------------------------------------------|:--------------|
+| `alerting.slack` | Configuration for alerts of type `slack` | `{}` |
+| `alerting.slack.webhook-url` | Slack Webhook URL | Required `""` |
+| `alerting.slack.default-alert` | Default alert configuration.
See [Setting a default alert](#setting-a-default-alert) | N/A |
+| `alerting.slack.overrides` | List of overrides that may be prioritized over the default configuration | `[]` |
+| `alerting.slack.overrides[].group` | Endpoint group for which the configuration will be overridden by this configuration | `""` |
+| `alerting.slack.overrides[].webhook-url` | Slack Webhook URL | `""` |
```yaml
alerting:
slack:
diff --git a/alerting/provider/slack/slack.go b/alerting/provider/slack/slack.go
index 2de9e5cb..fbde77f2 100644
--- a/alerting/provider/slack/slack.go
+++ b/alerting/provider/slack/slack.go
@@ -14,20 +14,36 @@ import (
// AlertProvider is the configuration necessary for sending an alert using Slack
type AlertProvider struct {
WebhookURL string `yaml:"webhook-url"` // Slack webhook URL
-
// DefaultAlert is the default alert configuration to use for endpoints with an alert of the appropriate type
DefaultAlert *alert.Alert `yaml:"default-alert,omitempty"`
+ // Overrides is a list of Override that may be prioritized over the default configuration
+ Overrides []Override `yaml:"overrides,omitempty"`
+}
+
+// Override is a case under which the default integration is overridden
+type Override struct {
+ Group string `yaml:"group"`
+ WebhookURL string `yaml:"webhook-url"`
}
// IsValid returns whether the provider's configuration is valid
func (provider *AlertProvider) IsValid() bool {
+ registeredGroups := make(map[string]bool)
+ if provider.Overrides != nil {
+ for _, override := range provider.Overrides {
+ if isAlreadyRegistered := registeredGroups[override.Group]; isAlreadyRegistered || override.Group == "" || len(override.WebhookURL) == 0 {
+ return false
+ }
+ registeredGroups[override.Group] = true
+ }
+ }
return len(provider.WebhookURL) > 0
}
// Send an alert using the provider
func (provider *AlertProvider) Send(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) error {
buffer := bytes.NewBuffer([]byte(provider.buildRequestBody(endpoint, alert, result, resolved)))
- request, err := http.NewRequest(http.MethodPost, provider.WebhookURL, buffer)
+ request, err := http.NewRequest(http.MethodPost, provider.getWebhookURLForGroup(endpoint.Group), buffer)
if err != nil {
return err
}
@@ -86,6 +102,18 @@ func (provider *AlertProvider) buildRequestBody(endpoint *core.Endpoint, alert *
}`, message, description, color, results)
}
+// getWebhookURLForGroup returns the appropriate Webhook URL integration to for a given group
+func (provider *AlertProvider) getWebhookURLForGroup(group string) string {
+ if provider.Overrides != nil {
+ for _, override := range provider.Overrides {
+ if group == override.Group {
+ return override.WebhookURL
+ }
+ }
+ }
+ return provider.WebhookURL
+}
+
// GetDefaultAlert returns the provider's default alert configuration
func (provider AlertProvider) GetDefaultAlert() *alert.Alert {
return provider.DefaultAlert
diff --git a/alerting/provider/slack/slack_test.go b/alerting/provider/slack/slack_test.go
index 1f60f547..909aafff 100644
--- a/alerting/provider/slack/slack_test.go
+++ b/alerting/provider/slack/slack_test.go
@@ -11,7 +11,7 @@ import (
"github.com/TwiN/gatus/v3/test"
)
-func TestAlertProvider_IsValid(t *testing.T) {
+func TestAlertDefaultProvider_IsValid(t *testing.T) {
invalidProvider := AlertProvider{WebhookURL: ""}
if invalidProvider.IsValid() {
t.Error("provider shouldn't have been valid")
@@ -20,8 +20,44 @@ func TestAlertProvider_IsValid(t *testing.T) {
if !validProvider.IsValid() {
t.Error("provider should've been valid")
}
-}
+}
+func TestAlertProvider_IsValidWithOverride(t *testing.T) {
+ providerWithInvalidOverrideGroup := AlertProvider{
+ Overrides: []Override{
+ {
+ WebhookURL: "http://example.com",
+ Group: "",
+ },
+ },
+ }
+ if providerWithInvalidOverrideGroup.IsValid() {
+ t.Error("provider Group shouldn't have been valid")
+ }
+ providerWithInvalidOverrideTo := AlertProvider{
+ Overrides: []Override{
+ {
+ WebhookURL: "",
+ Group: "group",
+ },
+ },
+ }
+ if providerWithInvalidOverrideTo.IsValid() {
+ t.Error("provider integration key shouldn't have been valid")
+ }
+ providerWithValidOverride := AlertProvider{
+ WebhookURL: "http://example.com",
+ Overrides: []Override{
+ {
+ WebhookURL: "http://example.com",
+ Group: "group",
+ },
+ },
+ }
+ if !providerWithValidOverride.IsValid() {
+ t.Error("provider should've been valid")
+ }
+}
func TestAlertProvider_Send(t *testing.T) {
defer client.InjectHTTPClient(nil)
firstDescription := "description-1"
@@ -79,7 +115,7 @@ func TestAlertProvider_Send(t *testing.T) {
t.Run(scenario.Name, func(t *testing.T) {
client.InjectHTTPClient(&http.Client{Transport: scenario.MockRoundTripper})
err := scenario.Provider.Send(
- &core.Endpoint{Name: "name"},
+ &core.Endpoint{Name: "endpoint-name"},
&scenario.Alert,
&core.Result{
ConditionResults: []*core.ConditionResult{
@@ -175,3 +211,66 @@ func TestAlertProvider_GetDefaultAlert(t *testing.T) {
t.Error("expected default alert to be nil")
}
}
+
+func TestAlertProvider_getWebhookURLForGroup(t *testing.T) {
+ tests := []struct {
+ Name string
+ Provider AlertProvider
+ InputGroup string
+ ExpectedOutput string
+ }{
+ {
+ Name: "provider-no-override-specify-no-group-should-default",
+ Provider: AlertProvider{
+ WebhookURL: "http://example.com",
+ Overrides: nil,
+ },
+ InputGroup: "",
+ ExpectedOutput: "http://example.com",
+ },
+ {
+ Name: "provider-no-override-specify-group-should-default",
+ Provider: AlertProvider{
+ WebhookURL: "http://example.com",
+ Overrides: nil,
+ },
+ InputGroup: "group",
+ ExpectedOutput: "http://example.com",
+ },
+ {
+ Name: "provider-with-override-specify-no-group-should-default",
+ Provider: AlertProvider{
+ WebhookURL: "http://example.com",
+ Overrides: []Override{
+ {
+ Group: "group",
+ WebhookURL: "http://example01.com",
+ },
+ },
+ },
+ InputGroup: "",
+ ExpectedOutput: "http://example.com",
+ },
+ {
+ Name: "provider-with-override-specify-group-should-override",
+ Provider: AlertProvider{
+ WebhookURL: "http://example.com",
+ Overrides: []Override{
+ {
+ Group: "group",
+ WebhookURL: "http://example01.com",
+ },
+ },
+ },
+ InputGroup: "group",
+ ExpectedOutput: "http://example01.com",
+ },
+ }
+ for _, tt := range tests {
+ t.Run(tt.Name, func(t *testing.T) {
+ if got := tt.Provider.getWebhookURLForGroup(tt.InputGroup); got != tt.ExpectedOutput {
+ t.Errorf("AlertProvider.getWebhookURLForGroup() = %v, want %v", got, tt.ExpectedOutput)
+ }
+ })
+ }
+}