func DiscoverPeers() error {
tries := 0
log.Println("[NODE DISCOVERY STARTED]")
for {
nodeList, err := tutum.ListNodes()
if err != nil {
time.Sleep(60 * time.Second)
return err
}
if len(nodeList.Objects) == 0 {
return nil
}
node_ips := nodeAppend(nodeList)
log.Println("[NODE DISCOVERY]: Current nodes available")
log.Println(node_ips)
var diff1 []string
//Checking if there are nodes that are not in the peer_ips list
diff1 = compareNodePeer(node_ips, peer_ips, diff1)
for _, i := range diff1 {
err := connectToPeers(i)
if err != nil {
tries++
if tries > 3 {
return err
}
}
}
var diff2 []string
//Checking if there are peers that are not in the node_ips list
diff2 = compareNodePeer(peer_ips, node_ips, diff2)
for _, i := range diff2 {
err := forgetPeers(i)
if err != nil {
tries++
if tries > 3 {
return err
}
}
}
peer_ips = node_ips
break
}
log.Println("[NODE DISCOVERY STOPPED]")
return nil
}
func DiscoverPeers() error {
tries := 0
log.Println("[NODE DISCOVERY STARTED]")
for {
node_ips := []string{}
nodeList, err := tutum.ListNodes()
if err != nil {
return err
}
if len(nodeList.Objects) == 0 {
return nil
}
for i := range nodeList.Objects {
state := nodeList.Objects[i].State
if state == "Deployed" || state == "Unreachable" {
if nodeList.Objects[i].Public_ip != Tutum_Node_Public_Ip {
node_ips = append(node_ips, nodeList.Objects[i].Public_ip)
}
}
}
log.Println("[NODE DISCOVERY]: Current nodes available")
log.Println(node_ips)
var diff1 []string
//Checking if there are nodes that are not in the peer_ips list
for _, s1 := range node_ips {
found := false
for _, s2 := range peer_ips {
if s1 == s2 {
found = true
break
}
}
if !found {
log.Println("[NODE DISCOVERY UPDATE]: Some nodes are not peers")
diff1 = append(diff1, s1)
}
}
for _, i := range diff1 {
err := connectToPeers(i)
if err != nil {
tries++
if tries > 3 {
return err
}
}
}
var diff2 []string
//Checking if there are peers that are not in the node_ips list
for _, s1 := range peer_ips {
found := false
for _, s2 := range node_ips {
if s1 == s2 {
found = true
break
}
}
if !found {
log.Println("[NODE DISCOVERY UPDATE]: Some peers are not nodes anymore")
diff2 = append(diff2, s1)
}
}
for _, i := range diff2 {
err := forgetPeers(i)
if err != nil {
tries++
if tries > 3 {
return err
}
}
}
peer_ips = node_ips
break
}
log.Println("[NODE DISCOVERY STOPPED]")
return nil
}
