func (r *replication) shouldScheduleForNode(node types.NodeName, logger logging.Logger) bool {
nodeReality, err := r.queryReality(node)
if err != nil {
logger.WithError(err).Errorln("Could not read Reality for this node. Will proceed to schedule onto it.")
return true
}
if err == pods.NoCurrentManifest {
logger.Infoln("Nothing installed on this node yet.")
return true
}
if nodeReality != nil {
nodeRealitySHA, err := nodeReality.SHA()
if err != nil {
logger.WithError(err).Errorln("Unable to compute manifest SHA for this node. Attempting to schedule anyway")
return true
}
replicationRealitySHA, err := r.manifest.SHA()
if err != nil {
logger.WithError(err).Errorln("Unable to compute manifest SHA for this daemon set. Attempting to schedule anyway")
return true
}
if nodeRealitySHA == replicationRealitySHA {
logger.Info("Reality for this node matches this DS. No action required.")
return false
}
}
return true
}