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This commit is contained in:
255
alerting/provider/teamsworkflows/teamsworkflows.go
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255
alerting/provider/teamsworkflows/teamsworkflows.go
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@ -0,0 +1,255 @@
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package teamsworkflows
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"github.com/TwiN/gatus/v5/alerting/alert"
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"github.com/TwiN/gatus/v5/client"
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"github.com/TwiN/gatus/v5/config/endpoint"
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"gopkg.in/yaml.v3"
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)
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var (
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ErrWebhookURLNotSet = errors.New("webhook-url not set")
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ErrDuplicateGroupOverride = errors.New("duplicate group override")
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)
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type Config struct {
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WebhookURL string `yaml:"webhook-url"`
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Title string `yaml:"title,omitempty"` // Title of the message that will be sent
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}
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func (cfg *Config) Validate() error {
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if len(cfg.WebhookURL) == 0 {
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return ErrWebhookURLNotSet
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}
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return nil
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}
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func (cfg *Config) Merge(override *Config) {
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if len(override.WebhookURL) > 0 {
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cfg.WebhookURL = override.WebhookURL
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}
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if len(override.Title) > 0 {
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cfg.Title = override.Title
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}
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}
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// AlertProvider is the configuration necessary for sending an alert using Teams
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type AlertProvider struct {
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DefaultConfig Config `yaml:",inline"`
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// DefaultAlert is the default alert configuration to use for endpoints with an alert of the appropriate type
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DefaultAlert *alert.Alert `yaml:"default-alert,omitempty"`
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// Overrides is a list of Override that may be prioritized over the default configuration
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Overrides []Override `yaml:"overrides,omitempty"`
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}
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// Override is a case under which the default integration is overridden
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type Override struct {
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Group string `yaml:"group"`
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Config `yaml:",inline"`
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}
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// Validate the provider's configuration
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func (provider *AlertProvider) Validate() error {
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registeredGroups := make(map[string]bool)
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if provider.Overrides != nil {
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for _, override := range provider.Overrides {
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if isAlreadyRegistered := registeredGroups[override.Group]; isAlreadyRegistered || override.Group == "" {
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return ErrDuplicateGroupOverride
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}
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registeredGroups[override.Group] = true
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}
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}
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return provider.DefaultConfig.Validate()
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}
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// Send an alert using the provider
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func (provider *AlertProvider) Send(ep *endpoint.Endpoint, alert *alert.Alert, result *endpoint.Result, resolved bool) error {
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cfg, err := provider.GetConfig(ep.Group, alert)
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if err != nil {
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return err
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}
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buffer := bytes.NewBuffer(provider.buildRequestBody(cfg, ep, alert, result, resolved))
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request, err := http.NewRequest(http.MethodPost, cfg.WebhookURL, buffer)
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if err != nil {
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return err
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}
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request.Header.Set("Content-Type", "application/json")
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response, err := client.GetHTTPClient(nil).Do(request)
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if err != nil {
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return err
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}
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defer response.Body.Close()
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if response.StatusCode > 399 {
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body, _ := io.ReadAll(response.Body)
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return fmt.Errorf("call to provider alert returned status code %d: %s", response.StatusCode, string(body))
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}
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return err
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}
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// AdaptiveCardBody represents the structure of an Adaptive Card
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type AdaptiveCardBody struct {
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Type string `json:"type"`
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Version string `json:"version"`
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Body []CardBody `json:"body"`
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MSTeams MSTeamsBody `json:"msteams"`
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}
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// CardBody represents the body of the Adaptive Card
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type CardBody struct {
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Type string `json:"type"`
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Text string `json:"text,omitempty"`
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Wrap bool `json:"wrap"`
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Separator bool `json:"separator,omitempty"`
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Size string `json:"size,omitempty"`
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Weight string `json:"weight,omitempty"`
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Items []CardBody `json:"items,omitempty"`
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Facts []Fact `json:"facts,omitempty"`
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FactSet *FactSetBody `json:"factSet,omitempty"`
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Style string `json:"style,omitempty"`
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}
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// MSTeamsBody represents the msteams options
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type MSTeamsBody struct {
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Width string `json:"width"`
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}
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// FactSetBody represents the FactSet in the Adaptive Card
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type FactSetBody struct {
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Type string `json:"type"`
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Facts []Fact `json:"facts"`
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}
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// Fact represents an individual fact in the FactSet
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type Fact struct {
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Title string `json:"title"`
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Value string `json:"value"`
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}
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// buildRequestBody builds the request body for the provider
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func (provider *AlertProvider) buildRequestBody(cfg *Config, ep *endpoint.Endpoint, alert *alert.Alert, result *endpoint.Result, resolved bool) []byte {
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var message string
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var themeColor string
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if resolved {
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message = fmt.Sprintf("An alert for **%s** has been resolved after passing successfully %d time(s) in a row.", ep.DisplayName(), alert.SuccessThreshold)
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themeColor = "Good" // green
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} else {
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message = fmt.Sprintf("An alert for **%s** has been triggered due to having failed %d time(s) in a row.", ep.DisplayName(), alert.FailureThreshold)
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themeColor = "Attention" // red
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}
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// Configure default title if it's not provided
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title := "⛑️ Gatus"
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if cfg.Title != "" {
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title = cfg.Title
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}
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// Build the facts from the condition results
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var facts []Fact
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for _, conditionResult := range result.ConditionResults {
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var key string
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if conditionResult.Success {
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key = "✅"
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} else {
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key = "❌"
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}
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facts = append(facts, Fact{
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Title: key,
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Value: conditionResult.Condition,
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})
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}
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cardContent := AdaptiveCardBody{
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Type: "AdaptiveCard",
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Version: "1.4", // Version 1.5 and 1.6 doesn't seem to be supported by Teams as of 27/08/2024
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Body: []CardBody{
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{
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Type: "Container",
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Style: themeColor,
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Items: []CardBody{
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{
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Type: "Container",
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Style: "Default",
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Items: []CardBody{
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{
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Type: "TextBlock",
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Text: title,
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Size: "Medium",
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Weight: "Bolder",
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},
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{
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Type: "TextBlock",
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Text: message,
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Wrap: true,
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},
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{
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Type: "FactSet",
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Facts: facts,
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},
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},
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},
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},
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},
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},
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MSTeams: MSTeamsBody{
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Width: "Full",
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},
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}
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attachment := map[string]interface{}{
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"contentType": "application/vnd.microsoft.card.adaptive",
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"content": cardContent,
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}
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payload := map[string]interface{}{
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"type": "message",
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"attachments": []interface{}{attachment},
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}
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bodyAsJSON, _ := json.Marshal(payload)
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return bodyAsJSON
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}
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// GetDefaultAlert returns the provider's default alert configuration
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func (provider *AlertProvider) GetDefaultAlert() *alert.Alert {
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return provider.DefaultAlert
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}
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// GetConfig returns the configuration for the provider with the overrides applied
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func (provider *AlertProvider) GetConfig(group string, alert *alert.Alert) (*Config, error) {
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cfg := provider.DefaultConfig
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// Handle group overrides
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if provider.Overrides != nil {
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for _, override := range provider.Overrides {
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if group == override.Group {
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cfg.Merge(&override.Config)
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break
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}
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}
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}
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// Handle alert overrides
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if len(alert.ProviderOverride) != 0 {
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overrideConfig := Config{}
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if err := yaml.Unmarshal(alert.ProviderOverrideAsBytes(), &overrideConfig); err != nil {
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return nil, err
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}
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cfg.Merge(&overrideConfig)
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}
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// Validate the configuration
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err := cfg.Validate()
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return &cfg, err
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}
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// ValidateOverrides validates the alert's provider override and, if present, the group override
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func (provider *AlertProvider) ValidateOverrides(group string, alert *alert.Alert) error {
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_, err := provider.GetConfig(group, alert)
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return err
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}
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298
alerting/provider/teamsworkflows/teamsworkflows_test.go
Normal file
298
alerting/provider/teamsworkflows/teamsworkflows_test.go
Normal file
@ -0,0 +1,298 @@
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package teamsworkflows
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import (
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"encoding/json"
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"net/http"
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"testing"
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"github.com/TwiN/gatus/v5/alerting/alert"
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"github.com/TwiN/gatus/v5/client"
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"github.com/TwiN/gatus/v5/config/endpoint"
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"github.com/TwiN/gatus/v5/test"
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)
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func TestAlertProvider_Validate(t *testing.T) {
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invalidProvider := AlertProvider{DefaultConfig: Config{WebhookURL: ""}}
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if err := invalidProvider.Validate(); err == nil {
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t.Error("provider shouldn't have been valid")
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}
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validProvider := AlertProvider{DefaultConfig: Config{WebhookURL: "http://example.com"}}
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if err := validProvider.Validate(); err != nil {
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t.Error("provider should've been valid, got", err.Error())
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}
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}
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func TestAlertProvider_ValidateWithOverride(t *testing.T) {
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providerWithInvalidOverrideGroup := AlertProvider{
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Overrides: []Override{
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{
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Config: Config{WebhookURL: "http://example.com"},
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Group: "",
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},
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},
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}
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if err := providerWithInvalidOverrideGroup.Validate(); err == nil {
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t.Error("provider Group shouldn't have been valid")
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}
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providerWithInvalidOverrideTo := AlertProvider{
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Overrides: []Override{
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{
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Config: Config{WebhookURL: ""},
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Group: "group",
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},
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},
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}
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if err := providerWithInvalidOverrideTo.Validate(); err == nil {
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t.Error("provider integration key shouldn't have been valid")
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}
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providerWithValidOverride := AlertProvider{
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DefaultConfig: Config{WebhookURL: "http://example.com"},
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Overrides: []Override{
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{
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Config: Config{WebhookURL: "http://example.com"},
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Group: "group",
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},
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},
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}
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if err := providerWithValidOverride.Validate(); err != nil {
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t.Error("provider should've been valid")
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}
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}
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func TestAlertProvider_Send(t *testing.T) {
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defer client.InjectHTTPClient(nil)
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firstDescription := "description-1"
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secondDescription := "description-2"
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scenarios := []struct {
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Name string
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Provider AlertProvider
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Alert alert.Alert
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Resolved bool
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MockRoundTripper test.MockRoundTripper
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ExpectedError bool
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}{
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{
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Name: "triggered",
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Provider: AlertProvider{DefaultConfig: Config{WebhookURL: "http://example.com"}},
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Alert: alert.Alert{Description: &firstDescription, SuccessThreshold: 5, FailureThreshold: 3},
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Resolved: false,
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MockRoundTripper: test.MockRoundTripper(func(r *http.Request) *http.Response {
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return &http.Response{StatusCode: http.StatusOK, Body: http.NoBody}
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}),
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ExpectedError: false,
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},
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{
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Name: "triggered-error",
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Provider: AlertProvider{DefaultConfig: Config{WebhookURL: "http://example.com"}},
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Alert: alert.Alert{Description: &firstDescription, SuccessThreshold: 5, FailureThreshold: 3},
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Resolved: false,
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MockRoundTripper: test.MockRoundTripper(func(r *http.Request) *http.Response {
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return &http.Response{StatusCode: http.StatusInternalServerError, Body: http.NoBody}
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}),
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ExpectedError: true,
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},
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{
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Name: "resolved",
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Provider: AlertProvider{DefaultConfig: Config{WebhookURL: "http://example.com"}},
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Alert: alert.Alert{Description: &secondDescription, SuccessThreshold: 5, FailureThreshold: 3},
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Resolved: true,
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MockRoundTripper: test.MockRoundTripper(func(r *http.Request) *http.Response {
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return &http.Response{StatusCode: http.StatusOK, Body: http.NoBody}
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}),
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ExpectedError: false,
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},
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{
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Name: "resolved-error",
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Provider: AlertProvider{DefaultConfig: Config{WebhookURL: "http://example.com"}},
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Alert: alert.Alert{Description: &secondDescription, SuccessThreshold: 5, FailureThreshold: 3},
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Resolved: true,
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MockRoundTripper: test.MockRoundTripper(func(r *http.Request) *http.Response {
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return &http.Response{StatusCode: http.StatusInternalServerError, Body: http.NoBody}
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}),
|
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ExpectedError: true,
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},
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}
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for _, scenario := range scenarios {
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t.Run(scenario.Name, func(t *testing.T) {
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client.InjectHTTPClient(&http.Client{Transport: scenario.MockRoundTripper})
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err := scenario.Provider.Send(
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&endpoint.Endpoint{Name: "endpoint-name"},
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&scenario.Alert,
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&endpoint.Result{
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ConditionResults: []*endpoint.ConditionResult{
|
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{Condition: "[CONNECTED] == true", Success: scenario.Resolved},
|
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{Condition: "[STATUS] == 200", Success: scenario.Resolved},
|
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},
|
||||
},
|
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scenario.Resolved,
|
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)
|
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if scenario.ExpectedError && err == nil {
|
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t.Error("expected error, got none")
|
||||
}
|
||||
if !scenario.ExpectedError && err != nil {
|
||||
t.Error("expected no error, got", err.Error())
|
||||
}
|
||||
})
|
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}
|
||||
}
|
||||
|
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func TestAlertProvider_buildRequestBody(t *testing.T) {
|
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firstDescription := "description-1"
|
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secondDescription := "description-2"
|
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scenarios := []struct {
|
||||
Name string
|
||||
Provider AlertProvider
|
||||
Alert alert.Alert
|
||||
NoConditions bool
|
||||
Resolved bool
|
||||
ExpectedBody string
|
||||
}{
|
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{
|
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Name: "triggered",
|
||||
Provider: AlertProvider{},
|
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Alert: alert.Alert{Description: &firstDescription, SuccessThreshold: 5, FailureThreshold: 3},
|
||||
Resolved: false,
|
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ExpectedBody: "{\"attachments\":[{\"content\":{\"type\":\"AdaptiveCard\",\"version\":\"1.4\",\"body\":[{\"type\":\"Container\",\"wrap\":false,\"items\":[{\"type\":\"Container\",\"wrap\":false,\"items\":[{\"type\":\"TextBlock\",\"text\":\"⛑️ Gatus\",\"wrap\":false,\"size\":\"Medium\",\"weight\":\"Bolder\"},{\"type\":\"TextBlock\",\"text\":\"An alert for **endpoint-name** has been triggered due to having failed 3 time(s) in a row.\",\"wrap\":true},{\"type\":\"FactSet\",\"wrap\":false,\"facts\":[{\"title\":\"❌\",\"value\":\"[CONNECTED] == true\"},{\"title\":\"❌\",\"value\":\"[STATUS] == 200\"}]}],\"style\":\"Default\"}],\"style\":\"Attention\"}],\"msteams\":{\"width\":\"Full\"}},\"contentType\":\"application/vnd.microsoft.card.adaptive\"}],\"type\":\"message\"}",
|
||||
},
|
||||
{
|
||||
Name: "resolved",
|
||||
Provider: AlertProvider{},
|
||||
Alert: alert.Alert{Description: &secondDescription, SuccessThreshold: 5, FailureThreshold: 3},
|
||||
Resolved: true,
|
||||
ExpectedBody: "{\"attachments\":[{\"content\":{\"type\":\"AdaptiveCard\",\"version\":\"1.4\",\"body\":[{\"type\":\"Container\",\"wrap\":false,\"items\":[{\"type\":\"Container\",\"wrap\":false,\"items\":[{\"type\":\"TextBlock\",\"text\":\"⛑️ Gatus\",\"wrap\":false,\"size\":\"Medium\",\"weight\":\"Bolder\"},{\"type\":\"TextBlock\",\"text\":\"An alert for **endpoint-name** has been resolved after passing successfully 5 time(s) in a row.\",\"wrap\":true},{\"type\":\"FactSet\",\"wrap\":false,\"facts\":[{\"title\":\"✅\",\"value\":\"[CONNECTED] == true\"},{\"title\":\"✅\",\"value\":\"[STATUS] == 200\"}]}],\"style\":\"Default\"}],\"style\":\"Good\"}],\"msteams\":{\"width\":\"Full\"}},\"contentType\":\"application/vnd.microsoft.card.adaptive\"}],\"type\":\"message\"}",
|
||||
},
|
||||
{
|
||||
Name: "resolved-with-no-conditions",
|
||||
NoConditions: true,
|
||||
Provider: AlertProvider{},
|
||||
Alert: alert.Alert{Description: &secondDescription, SuccessThreshold: 5, FailureThreshold: 3},
|
||||
Resolved: true,
|
||||
ExpectedBody: "{\"attachments\":[{\"content\":{\"type\":\"AdaptiveCard\",\"version\":\"1.4\",\"body\":[{\"type\":\"Container\",\"wrap\":false,\"items\":[{\"type\":\"Container\",\"wrap\":false,\"items\":[{\"type\":\"TextBlock\",\"text\":\"⛑️ Gatus\",\"wrap\":false,\"size\":\"Medium\",\"weight\":\"Bolder\"},{\"type\":\"TextBlock\",\"text\":\"An alert for **endpoint-name** has been resolved after passing successfully 5 time(s) in a row.\",\"wrap\":true},{\"type\":\"FactSet\",\"wrap\":false}],\"style\":\"Default\"}],\"style\":\"Good\"}],\"msteams\":{\"width\":\"Full\"}},\"contentType\":\"application/vnd.microsoft.card.adaptive\"}],\"type\":\"message\"}",
|
||||
},
|
||||
}
|
||||
for _, scenario := range scenarios {
|
||||
t.Run(scenario.Name, func(t *testing.T) {
|
||||
var conditionResults []*endpoint.ConditionResult
|
||||
if !scenario.NoConditions {
|
||||
conditionResults = []*endpoint.ConditionResult{
|
||||
{Condition: "[CONNECTED] == true", Success: scenario.Resolved},
|
||||
{Condition: "[STATUS] == 200", Success: scenario.Resolved},
|
||||
}
|
||||
}
|
||||
body := scenario.Provider.buildRequestBody(
|
||||
&scenario.Provider.DefaultConfig,
|
||||
&endpoint.Endpoint{Name: "endpoint-name"},
|
||||
&scenario.Alert,
|
||||
&endpoint.Result{ConditionResults: conditionResults},
|
||||
scenario.Resolved,
|
||||
)
|
||||
if string(body) != scenario.ExpectedBody {
|
||||
t.Errorf("expected:\n%s\ngot:\n%s", scenario.ExpectedBody, body)
|
||||
}
|
||||
out := make(map[string]interface{})
|
||||
if err := json.Unmarshal(body, &out); err != nil {
|
||||
t.Error("expected body to be valid JSON, got error:", err.Error())
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestAlertProvider_GetDefaultAlert(t *testing.T) {
|
||||
if (&AlertProvider{DefaultAlert: &alert.Alert{}}).GetDefaultAlert() == nil {
|
||||
t.Error("expected default alert to be not nil")
|
||||
}
|
||||
if (&AlertProvider{DefaultAlert: nil}).GetDefaultAlert() != nil {
|
||||
t.Error("expected default alert to be nil")
|
||||
}
|
||||
}
|
||||
|
||||
func TestAlertProvider_GetConfig(t *testing.T) {
|
||||
scenarios := []struct {
|
||||
Name string
|
||||
Provider AlertProvider
|
||||
InputGroup string
|
||||
InputAlert alert.Alert
|
||||
ExpectedOutput Config
|
||||
}{
|
||||
{
|
||||
Name: "provider-no-override-specify-no-group-should-default",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{WebhookURL: "http://example.com"},
|
||||
Overrides: nil,
|
||||
},
|
||||
InputGroup: "",
|
||||
InputAlert: alert.Alert{},
|
||||
ExpectedOutput: Config{WebhookURL: "http://example.com"},
|
||||
},
|
||||
{
|
||||
Name: "provider-no-override-specify-group-should-default",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{WebhookURL: "http://example.com"},
|
||||
Overrides: nil,
|
||||
},
|
||||
InputGroup: "group",
|
||||
InputAlert: alert.Alert{},
|
||||
ExpectedOutput: Config{WebhookURL: "http://example.com"},
|
||||
},
|
||||
{
|
||||
Name: "provider-with-override-specify-no-group-should-default",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{WebhookURL: "http://example.com"},
|
||||
Overrides: []Override{
|
||||
{
|
||||
Group: "group",
|
||||
Config: Config{WebhookURL: "http://example01.com"},
|
||||
},
|
||||
},
|
||||
},
|
||||
InputGroup: "",
|
||||
InputAlert: alert.Alert{},
|
||||
ExpectedOutput: Config{WebhookURL: "http://example.com"},
|
||||
},
|
||||
{
|
||||
Name: "provider-with-override-specify-group-should-override",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{WebhookURL: "http://example.com"},
|
||||
Overrides: []Override{
|
||||
{
|
||||
Group: "group",
|
||||
Config: Config{WebhookURL: "http://group-example.com"},
|
||||
},
|
||||
},
|
||||
},
|
||||
InputGroup: "group",
|
||||
InputAlert: alert.Alert{},
|
||||
ExpectedOutput: Config{WebhookURL: "http://group-example.com"},
|
||||
},
|
||||
{
|
||||
Name: "provider-with-group-override-and-alert-override--alert-override-should-take-precedence",
|
||||
Provider: AlertProvider{
|
||||
DefaultConfig: Config{WebhookURL: "http://example.com"},
|
||||
Overrides: []Override{
|
||||
{
|
||||
Group: "group",
|
||||
Config: Config{WebhookURL: "http://group-example.com"},
|
||||
},
|
||||
},
|
||||
},
|
||||
InputGroup: "group",
|
||||
InputAlert: alert.Alert{ProviderOverride: map[string]any{"webhook-url": "http://alert-example.com"}},
|
||||
ExpectedOutput: Config{WebhookURL: "http://alert-example.com"},
|
||||
},
|
||||
}
|
||||
for _, scenario := range scenarios {
|
||||
t.Run(scenario.Name, func(t *testing.T) {
|
||||
got, err := scenario.Provider.GetConfig(scenario.InputGroup, &scenario.InputAlert)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %s", err)
|
||||
}
|
||||
if got.WebhookURL != scenario.ExpectedOutput.WebhookURL {
|
||||
t.Errorf("expected webhook URL to be %s, got %s", scenario.ExpectedOutput.WebhookURL, got.WebhookURL)
|
||||
}
|
||||
// Test ValidateOverrides as well, since it really just calls GetConfig
|
||||
if err = scenario.Provider.ValidateOverrides(scenario.InputGroup, &scenario.InputAlert); err != nil {
|
||||
t.Errorf("unexpected error: %s", err)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user