func linkContainers() {
links := make([]*d.Link, 0)
switch val := link.Options["targets"].Value.(type) {
case string:
link, err := linkContainer(val)
if err != nil {
fmt.Println("Linking error: " + err.Error())
return
}
fmt.Printf("creating link " + link.Name + " [" + link.Id + "]\n")
links = append(links, link)
case []string:
for _, v := range val {
link, err := linkContainer(v)
if err != nil {
fmt.Println(err.Error())
return
}
fmt.Printf("creating link [" + link.Id + "]\n")
links = append(links, link)
}
}
// each link has the same source
source := links[0].Source
fmt.Printf("starting container [" + source.Name + "]\n")
_, err := disco.CreateDockerContainer(source)
if err != nil {
fmt.Println(err.Error())
return
}
i := 0
var exists bool
for !exists {
fmt.Printf("\rwaiting for discovery%s", strings.Repeat(".", i))
time.Sleep(500 * time.Millisecond)
exists, err = disco.ContainerExists(source.Name)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
i++
if i > 50 {
fmt.Println("Error: timeout waiting for discovery")
os.Exit(1)
}
}
fmt.Println("")
for _, link := range links {
fmt.Println("updating", link.Source.Name)
disco.RegisterContainer(link.Source)
fmt.Println("updating", link.Target.Name)
disco.RegisterContainer(link.Target)
}
fmt.Println("done.")
fmt.Println("Results:")
commando.PrintFields(true, 2, "SOURCE", "TARGET", "LINK ID")
for _, link := range links {
commando.PrintFields(true, 2, link.Source.Name, link.Target.Name, link.Id)
}
}
func listContainers() {
cons, err := disco.GetContainers()
if err != nil {
fmt.Println(err)
return
}
commando.PrintFields(false, 0, "NAME", "HOST NODE", "DOCKER ID", "PORTS", "LINKS")
for _, con := range cons {
var portMap []string
for _, p := range con.Ports {
portMap = append(portMap, fmt.Sprintf("%d:%d", p.Private, p.Public))
}
portString := strings.Join(portMap, ", ")
commando.PrintFields(false, 0, con.Name, con.HostNode, con.Id[:12], portString, getLinkString(con))
}
}