mirror of
https://github.com/TwiN/gatus.git
synced 2024-11-28 19:03:24 +01:00
113 lines
3.5 KiB
Go
113 lines
3.5 KiB
Go
package pushover
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
|
|
"github.com/TwiN/gatus/v5/alerting/alert"
|
|
"github.com/TwiN/gatus/v5/client"
|
|
"github.com/TwiN/gatus/v5/core"
|
|
)
|
|
|
|
const (
|
|
restAPIURL = "https://api.pushover.net/1/messages.json"
|
|
defaultPriority = 0
|
|
)
|
|
|
|
// AlertProvider is the configuration necessary for sending an alert using Pushover
|
|
type AlertProvider struct {
|
|
// Key used to authenticate the application sending
|
|
// See "Your Applications" on the dashboard, or add a new one: https://pushover.net/apps/build
|
|
ApplicationToken string `yaml:"application-token"`
|
|
|
|
// Key of the user or group the messages should be sent to
|
|
UserKey string `yaml:"user-key"`
|
|
|
|
// The title of your message, likely the application name
|
|
// default: the name of your application in Pushover
|
|
Title string `yaml:"title,omitempty"`
|
|
|
|
// Priority of all messages, ranging from -2 (very low) to 2 (Emergency)
|
|
// default: 0
|
|
Priority int `yaml:"priority,omitempty"`
|
|
|
|
// Sound of the messages (see: https://pushover.net/api#sounds)
|
|
// default: "" (pushover)
|
|
Sound string `yaml:"sound,omitempty"`
|
|
|
|
// DefaultAlert is the default alert configuration to use for endpoints with an alert of the appropriate type
|
|
DefaultAlert *alert.Alert `yaml:"default-alert,omitempty"`
|
|
}
|
|
|
|
// IsValid returns whether the provider's configuration is valid
|
|
func (provider *AlertProvider) IsValid() bool {
|
|
if provider.Priority == 0 {
|
|
provider.Priority = defaultPriority
|
|
}
|
|
return len(provider.ApplicationToken) == 30 && len(provider.UserKey) == 30 && provider.Priority >= -2 && provider.Priority <= 2
|
|
}
|
|
|
|
// Send an alert using the provider
|
|
// Reference doc for pushover: https://pushover.net/api
|
|
func (provider *AlertProvider) Send(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) error {
|
|
buffer := bytes.NewBuffer(provider.buildRequestBody(endpoint, alert, result, resolved))
|
|
request, err := http.NewRequest(http.MethodPost, restAPIURL, buffer)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
request.Header.Set("Content-Type", "application/json")
|
|
response, err := client.GetHTTPClient(nil).Do(request)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer response.Body.Close()
|
|
if response.StatusCode > 399 {
|
|
body, _ := io.ReadAll(response.Body)
|
|
return fmt.Errorf("call to provider alert returned status code %d: %s", response.StatusCode, string(body))
|
|
}
|
|
return err
|
|
}
|
|
|
|
type Body struct {
|
|
Token string `json:"token"`
|
|
User string `json:"user"`
|
|
Title string `json:"title,omitempty"`
|
|
Message string `json:"message"`
|
|
Priority int `json:"priority"`
|
|
Sound string `json:"sound,omitempty"`
|
|
}
|
|
|
|
// buildRequestBody builds the request body for the provider
|
|
func (provider *AlertProvider) buildRequestBody(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) []byte {
|
|
var message string
|
|
if resolved {
|
|
message = fmt.Sprintf("RESOLVED: %s - %s", endpoint.DisplayName(), alert.GetDescription())
|
|
} else {
|
|
message = fmt.Sprintf("TRIGGERED: %s - %s", endpoint.DisplayName(), alert.GetDescription())
|
|
}
|
|
body, _ := json.Marshal(Body{
|
|
Token: provider.ApplicationToken,
|
|
User: provider.UserKey,
|
|
Title: provider.Title,
|
|
Message: message,
|
|
Priority: provider.priority(),
|
|
Sound: provider.Sound,
|
|
})
|
|
return body
|
|
}
|
|
|
|
func (provider *AlertProvider) priority() int {
|
|
if provider.Priority == 0 {
|
|
return defaultPriority
|
|
}
|
|
return provider.Priority
|
|
}
|
|
|
|
// GetDefaultAlert returns the provider's default alert configuration
|
|
func (provider AlertProvider) GetDefaultAlert() *alert.Alert {
|
|
return provider.DefaultAlert
|
|
}
|