/
service_readyness.go
68 lines (53 loc) · 1.22 KB
/
service_readyness.go
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package readyness
import (
"sync"
"github.com/sirupsen/logrus"
)
type ServiceReadyness struct {
components map[string]bool
logger *logrus.Logger
mux sync.RWMutex
}
func newServiceReadyness(logger *logrus.Logger) *ServiceReadyness {
return &ServiceReadyness{
components: make(map[string]bool),
logger: logger,
}
}
func (s *ServiceReadyness) isReady() (bool, string) {
for component, isReady := range s.components {
if !isReady {
return false, component
}
}
return true, ""
}
func (s *ServiceReadyness) IsReady(component ...string) (bool, string) {
s.mux.RLock()
defer s.mux.RUnlock()
if len(component) == 0 {
return s.isReady()
}
for _, c := range component {
if ready, ok := s.components[c]; !ok || !ready {
return false, c
}
}
return true, ""
}
func (s *ServiceReadyness) SetReady(component string) {
s.mux.Lock()
defer s.mux.Unlock()
s.components[component] = true
s.logger.WithFields(logrus.Fields{
"component": component,
}).Info("Component is ready")
}
func (s *ServiceReadyness) Register(component string) {
s.mux.Lock()
defer s.mux.Unlock()
s.components[component] = false
s.logger.WithFields(logrus.Fields{
"component": component,
}).Info("Registered unready component")
}