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package define
import "github.com/pkg/errors"
// ContainerStatus represents the current state of a container
type ContainerStatus int
const (
// ContainerStateUnknown indicates that the container is in an error
// state where information about it cannot be retrieved
ContainerStateUnknown ContainerStatus = iota
// ContainerStateConfigured indicates that the container has had its
// storage configured but it has not been created in the OCI runtime
ContainerStateConfigured ContainerStatus = iota
// ContainerStateCreated indicates the container has been created in
// the OCI runtime but not started
ContainerStateCreated ContainerStatus = iota
// ContainerStateRunning indicates the container is currently executing
ContainerStateRunning ContainerStatus = iota
// ContainerStateStopped indicates that the container was running but has
// exited
ContainerStateStopped ContainerStatus = iota
// ContainerStatePaused indicates that the container has been paused
ContainerStatePaused ContainerStatus = iota
// ContainerStateExited indicates the the container has stopped and been
// cleaned up
ContainerStateExited ContainerStatus = iota
)
// ContainerStatus returns a string representation for users
// of a container state
func (t ContainerStatus) String() string {
switch t {
case ContainerStateUnknown:
return "unknown"
case ContainerStateConfigured:
return "configured"
case ContainerStateCreated:
return "created"
case ContainerStateRunning:
return "running"
case ContainerStateStopped:
return "stopped"
case ContainerStatePaused:
return "paused"
case ContainerStateExited:
return "exited"
}
return "bad state"
}
// StringToContainerStatus converts a string representation of a containers
// status into an actual container status type
func StringToContainerStatus(status string) (ContainerStatus, error) {
switch status {
case ContainerStateUnknown.String():
return ContainerStateUnknown, nil
case ContainerStateConfigured.String():
return ContainerStateConfigured, nil
case ContainerStateCreated.String():
return ContainerStateCreated, nil
case ContainerStateRunning.String():
return ContainerStateRunning, nil
case ContainerStateStopped.String():
return ContainerStateStopped, nil
case ContainerStatePaused.String():
return ContainerStatePaused, nil
case ContainerStateExited.String():
return ContainerStateExited, nil
default:
return ContainerStateUnknown, errors.Wrapf(ErrInvalidArg, "unknown container state: %s", status)
}
}
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