gatus/core/service-status.go
2021-02-02 23:06:34 -05:00

78 lines
2.3 KiB
Go

package core
import (
"time"
"github.com/TwinProduction/gatus/util"
)
// ServiceStatus contains the evaluation Results of a Service
type ServiceStatus struct {
// Name of the service
Name string `json:"name,omitempty"`
// Group the service is a part of. Used for grouping multiple services together on the front end.
Group string `json:"group,omitempty"`
// Key is the key representing the ServiceStatus
Key string `json:"key"`
// Results is the list of service evaluation results
Results []*Result `json:"results"`
// Events is a list of events
//
// We don't expose this through JSON, because the main dashboard doesn't need to have this data.
// However, the detailed service page does leverage this by including it to a map that will be
// marshalled alongside the ServiceStatus.
Events []*Event `json:"-"`
// Uptime information on the service's uptime
//
// We don't expose this through JSON, because the main dashboard doesn't need to have this data.
// However, the detailed service page does leverage this by including it to a map that will be
// marshalled alongside the ServiceStatus.
Uptime *Uptime `json:"-"`
}
// NewServiceStatus creates a new ServiceStatus
func NewServiceStatus(service *Service) *ServiceStatus {
return &ServiceStatus{
Name: service.Name,
Group: service.Group,
Key: util.ConvertGroupAndServiceToKey(service.Group, service.Name),
Results: make([]*Result, 0),
Events: []*Event{{
Type: EventStart,
Timestamp: time.Now(),
}},
Uptime: NewUptime(),
}
}
// AddResult adds a Result to ServiceStatus.Results and makes sure that there are
// no more than 20 results in the Results slice
func (ss *ServiceStatus) AddResult(result *Result) {
if len(ss.Results) > 0 {
// Check if there's any change since the last result
// OR there's only 1 event, which only happens when there's a start event
if ss.Results[len(ss.Results)-1].Success != result.Success || len(ss.Events) == 1 {
event := &Event{Timestamp: result.Timestamp}
if result.Success {
event.Type = EventHealthy
} else {
event.Type = EventUnhealthy
}
ss.Events = append(ss.Events, event)
if len(ss.Events) > 20 {
ss.Events = ss.Events[1:]
}
}
}
ss.Results = append(ss.Results, result)
if len(ss.Results) > 20 {
ss.Results = ss.Results[1:]
}
ss.Uptime.ProcessResult(result)
}