func getChain(address string) ([]string, error) {
repClient, err := replicaClient.NewReplicaClient(address)
if err != nil {
return nil, err
}
r, err := repClient.GetReplica()
if err != nil {
return nil, err
}
return r.Chain, err
}
func (c *Controller) clientsAndSnapshot(name string) (map[string]*client.ReplicaClient, string, error) {
clients := map[string]*client.ReplicaClient{}
for _, replica := range c.replicas {
if !strings.HasPrefix(replica.Address, "tcp://") {
return nil, "", fmt.Errorf("Backend %s does not support revert", replica.Address)
}
repClient, err := client.NewReplicaClient(replica.Address)
if err != nil {
return nil, "", err
}
_, err = repClient.GetReplica()
if err != nil {
return nil, "", err
}
/*
found := ""
for _, snapshot := range rep.Chain {
if snapshot == name {
found = name
break
}
fullName := "volume-snap-" + name + ".img"
if snapshot == fullName {
found = fullName
break
}
}
if found == "" {
return nil, "", fmt.Errorf("Failed to find snapshot %s on %s", name, replica)
}
name = found
*/
clients[replica.Address] = repClient
}
name = "volume-snap-" + name + ".img"
return clients, name, nil
}
func NewReplicaStatus() (*ReplicaStatus, error) {
metadata, err := md.NewClientAndWait(controller.MetadataURL)
if err != nil {
return nil, err
}
self, err := metadata.GetSelfContainer()
if err != nil {
return nil, err
}
addr := controller.ReplicaAddress(self.PrimaryIp, 9502)
controllerClient := client.NewControllerClient("http://controller:9501/v1")
replicaClient, err := replicaClient.NewReplicaClient("http://localhost:9502/v1")
if err != nil {
return nil, err
}
return &ReplicaStatus{
controller: controllerClient,
replica: replicaClient,
address: addr,
}, nil
}