func (m *Manager) deploy() {
if !m.isClusterSet() {
return
}
var err error
w := new(tabwriter.Writer)
w.Init(os.Stdout, 0, 8, 1, '\t', 0)
fmt.Fprintf(w, "NODE\tSERVICE\tSTATUS\n")
services := cluster.ListServices(m.Cluster)
servicesNames := make([]string, 0, len(services))
for name, _ := range services {
servicesNames = append(servicesNames, name)
}
nodes := cluster.ListNodes(m.Cluster, false)
nodesNames := make([]string, 0, len(nodes))
for name, _ := range nodes {
nodesNames = append(nodesNames, name)
}
if len(nodes) < len(services) {
fmt.Println("Cannot deploy: not enough nodes")
return
}
for i := 0; i < len(services); i++ {
service := servicesNames[i]
node := nodesNames[i]
address := nodes[node]
status := "done"
err = network.SendUpdateCommand(address, "node-base-services", []string{service})
if err != nil {
fmt.Println("Error sending update command to ", address)
status = "error"
} else {
err = network.SendStartServiceCommand(address, service)
if err != nil {
fmt.Println("Error sending start service command to node ", node)
status = "error"
}
}
fmt.Fprintf(w, "%s\t%s\t%s\n",
node,
service,
status,
)
}
w.Flush()
}
func (m *Manager) startService(what string, where []string) {
var err error
nodes := cluster.ListNodes(m.Cluster, false)
if where[0] == "all" {
for name, addr := range nodes {
err = network.SendStartServiceCommand(addr, what)
if err != nil {
fmt.Println("Error sending start service command to node ", name)
}
}
} else {
for _, node := range where {
if addr, ok := nodes[node]; ok {
err = network.SendStartServiceCommand(addr, what)
if err != nil {
fmt.Println("Error sending start service command to node ", node)
}
} else {
fmt.Println("Cannot get address of node ", node)
}
}
}
}