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checker_shutdown.go
49 lines (41 loc) · 1.16 KB
/
checker_shutdown.go
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package healthy
import (
"context"
"github.com/hellofresh/health-go/v5"
"github.com/music-tribe/errors"
"github.com/music-tribe/healthy/atomic_bool"
)
// ShutdownChecker allows us to respond to liveness probes to report shutting down
type ShutdownChecker struct {
isShuttingDown atomic_bool.AtomicBool
logger Logger
component string
shutdownLog string
}
func (c *ShutdownChecker) SetShutdown() {
c.isShuttingDown.Set(true)
c.logger.Info(c.shutdownLog)
}
func (c *ShutdownChecker) Get() *atomic_bool.AtomicBool {
return &c.isShuttingDown
}
func (c *ShutdownChecker) GetShutdown() bool {
return c.isShuttingDown.Get()
}
func shutdownCheckerFunc(c *ShutdownChecker) health.CheckFunc {
return func(ctx context.Context) error {
if c.isShuttingDown.Get() {
return errors.NewCloudError(503, "shutting down")
}
return nil
}
}
func NewShutdownChecker(name string, logger Logger, component, shutdownLog string) (*ShutdownChecker, Checker) {
p := &ShutdownChecker{
isShuttingDown: atomic_bool.AtomicBool{},
logger: logger,
component: component,
shutdownLog: shutdownLog,
}
return p, NewChecker(name, shutdownCheckerFunc(p))
}