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82 lines
2.6 KiB
Go
82 lines
2.6 KiB
Go
package messagebird
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import (
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"bytes"
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"encoding/json"
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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/core"
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)
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const (
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restAPIURL = "https://rest.messagebird.com/messages"
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)
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// AlertProvider is the configuration necessary for sending an alert using Messagebird
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type AlertProvider struct {
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AccessKey string `yaml:"access-key"`
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Originator string `yaml:"originator"`
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Recipients string `yaml:"recipients"`
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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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}
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// IsValid returns whether the provider's configuration is valid
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func (provider *AlertProvider) IsValid() bool {
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return len(provider.AccessKey) > 0 && len(provider.Originator) > 0 && len(provider.Recipients) > 0
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}
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// Send an alert using the provider
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// Reference doc for messagebird: https://developers.messagebird.com/api/sms-messaging/#send-outbound-sms
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func (provider *AlertProvider) Send(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) error {
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buffer := bytes.NewBuffer(provider.buildRequestBody(endpoint, alert, result, resolved))
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request, err := http.NewRequest(http.MethodPost, restAPIURL, 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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request.Header.Set("Authorization", fmt.Sprintf("AccessKey %s", provider.AccessKey))
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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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type Body struct {
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Originator string `json:"originator"`
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Recipients string `json:"recipients"`
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Body string `json:"body"`
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}
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// buildRequestBody builds the request body for the provider
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func (provider *AlertProvider) buildRequestBody(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) []byte {
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var message string
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if resolved {
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message = fmt.Sprintf("RESOLVED: %s - %s", endpoint.DisplayName(), alert.GetDescription())
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} else {
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message = fmt.Sprintf("TRIGGERED: %s - %s", endpoint.DisplayName(), alert.GetDescription())
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}
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body, _ := json.Marshal(Body{
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Originator: provider.Originator,
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Recipients: provider.Recipients,
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Body: message,
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})
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return body
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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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