func (self *Inspector) IsClusterDamaged(cluster *topo.Cluster, seeds []*topo.Node) bool {
// more than half masters dead
numFail := 0
for _, node := range cluster.MasterNodes() {
if node.Fail {
numFail++
}
}
if numFail >= (cluster.Size()+1)/2 {
return true
}
// more than half nodes dead
if len(seeds) > cluster.NumLocalRegionNode()/2 {
return false
}
for _, seed := range seeds {
c, err := self.initClusterTopo(seed)
if err != nil {
return false
}
for _, node := range c.LocalRegionNodes() {
// nodes not in seeds must be pfail
if !containsNode(node, seeds) && !node.PFail {
return false
}
}
}
glog.Info("more than half nodes dead")
return true
}
