/
sergeant.go
59 lines (46 loc) · 1.1 KB
/
sergeant.go
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package sergeant
import (
"context"
"errors"
"sync"
"go.uber.org/zap"
)
type Runnable interface {
ID() string
Name() string
Run(ctx context.Context, l *zap.Logger) error
}
type Sergeant struct {
runnables []Runnable
logger *zap.Logger
sugarLogger *zap.SugaredLogger
runnableMu sync.Mutex
}
func (s *Sergeant) AddRunnable(runnable Runnable) {
s.runnableMu.Lock()
defer s.runnableMu.Unlock()
s.runnables = append(s.runnables, runnable)
}
func (s *Sergeant) Start(ctx context.Context) error {
for _, runnable := range s.runnables {
select {
case <-ctx.Done():
return errors.New("execution context cancelled")
default:
}
s.sugarLogger.Infow("Starting execution", "id", runnable.ID(), "name", runnable.Name())
if err := runnable.Run(ctx, s.logger); err != nil {
return err
}
s.sugarLogger.Infow("Finished execution", "id", runnable.ID(), "name", runnable.Name())
}
return nil
}
func NewSergeant(logger *zap.Logger, runnables ...Runnable) *Sergeant {
sergeant := &Sergeant{
runnables: runnables,
logger: logger,
sugarLogger: logger.Sugar(),
}
return sergeant
}