moby/container/health.go
Yong Tang a72b45dbec Fix logrus formatting
This fix tries to fix logrus formatting by removing `f` from
`logrus.[Error|Warn|Debug|Fatal|Panic|Info]f` when formatting string
is not present.

This fix fixes #23459.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2016-06-11 13:16:55 -07:00

49 lines
1.3 KiB
Go

package container
import (
"github.com/Sirupsen/logrus"
"github.com/docker/engine-api/types"
)
// Health holds the current container health-check state
type Health struct {
types.Health
stop chan struct{} // Write struct{} to stop the monitor
}
// String returns a human-readable description of the health-check state
func (s *Health) String() string {
if s.stop == nil {
return "no healthcheck"
}
switch s.Status {
case types.Starting:
return "health: starting"
default: // Healthy and Unhealthy are clear on their own
return s.Status
}
}
// OpenMonitorChannel creates and returns a new monitor channel. If there already is one,
// it returns nil.
func (s *Health) OpenMonitorChannel() chan struct{} {
if s.stop == nil {
logrus.Debug("OpenMonitorChannel")
s.stop = make(chan struct{})
return s.stop
}
return nil
}
// CloseMonitorChannel closes any existing monitor channel.
func (s *Health) CloseMonitorChannel() {
if s.stop != nil {
logrus.Debug("CloseMonitorChannel: waiting for probe to stop")
// This channel does not buffer. Once the write succeeds, the monitor
// has read the stop request and will not make any further updates
// to c.State.Health.
s.stop <- struct{}{}
s.stop = nil
logrus.Debug("CloseMonitorChannel done")
}
}