func registryCommands() []cli.Command {
return []cli.Command{
{
Name: "list",
Usage: "List items in registry",
Subcommands: []cli.Command{
{
Name: "services",
Usage: "List services in registry",
Action: func(c *cli.Context) {
rsp, err := registry.ListServices()
if err != nil {
fmt.Println(err.Error())
return
}
for _, service := range rsp {
fmt.Println(service.Name)
}
},
},
},
},
{
Name: "get",
Usage: "Get item from registry",
Subcommands: []cli.Command{
{
Name: "service",
Usage: "Get service from registry",
Action: func(c *cli.Context) {
if !c.Args().Present() {
fmt.Println("Service required")
return
}
service, err := registry.GetService(c.Args().First())
if err != nil {
fmt.Println(err.Error())
return
}
fmt.Printf("%s\n\n", service.Name)
fmt.Println("Id\tAddress\tPort\tMetadata")
for _, node := range service.Nodes {
var meta []string
for k, v := range node.Metadata {
meta = append(meta, k+"="+v)
}
fmt.Printf("%s\t%s\t%d\t%s\n", node.Id, node.Address, node.Port, strings.Join(meta, ","))
}
},
},
},
},
}
}
func registryHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
svc := r.Form.Get("service")
if len(svc) > 0 {
s, err := registry.GetService(svc)
if err != nil {
http.Error(w, "Error occurred:"+err.Error(), 500)
return
}
t, err := template.New("service").Funcs(template.FuncMap{
"format": format,
}).Parse(serviceTemplate)
if err != nil {
http.Error(w, "Error occurred:"+err.Error(), 500)
return
}
if err := t.ExecuteTemplate(w, "T", s); err != nil {
http.Error(w, "Error occurred:"+err.Error(), 500)
return
}
return
}
services, err := registry.ListServices()
if err != nil {
http.Error(w, "Error occurred:"+err.Error(), 500)
return
}
t, err := template.New("registry").Parse(registryTemplate)
if err != nil {
http.Error(w, "Error occurred:"+err.Error(), 500)
return
}
if err := t.ExecuteTemplate(w, "T", services); err != nil {
http.Error(w, "Error occurred:"+err.Error(), 500)
return
}
}
func registryCommands() []cli.Command {
return []cli.Command{
{
Name: "list",
Usage: "List items in registry",
Subcommands: []cli.Command{
{
Name: "services",
Usage: "List services in registry",
Action: func(c *cli.Context) {
rsp, err := registry.ListServices()
if err != nil {
fmt.Println(err.Error())
return
}
for _, service := range rsp {
fmt.Println(service.Name)
}
},
},
},
},
{
Name: "get",
Usage: "Get item from registry",
Subcommands: []cli.Command{
{
Name: "service",
Usage: "Get service from registry",
Action: func(c *cli.Context) {
if !c.Args().Present() {
fmt.Println("Service required")
return
}
service, err := registry.GetService(c.Args().First())
if err != nil {
fmt.Println(err.Error())
return
}
fmt.Printf("%s\n\n", service.Name)
fmt.Println("Id\tAddress\tPort\tMetadata")
for _, node := range service.Nodes {
var meta []string
for k, v := range node.Metadata {
meta = append(meta, k+"="+v)
}
fmt.Printf("%s\t%s\t%d\t%s\n", node.Id, node.Address, node.Port, strings.Join(meta, ","))
}
for _, e := range service.Endpoints {
var request, response string
var meta []string
for k, v := range e.Metadata {
meta = append(meta, k+"="+v)
}
if e.Request != nil && len(e.Request.Values) > 0 {
request = formatEndpoint(e.Request.Values[0], 0)
} else {
request = " {}"
}
if e.Response != nil && len(e.Response.Values) > 0 {
response = formatEndpoint(e.Response.Values[0], 0)
} else {
response = " {}"
}
fmt.Printf("\nEndpoint: %s\nMetadata: %s\n", e.Name, strings.Join(meta, ","))
fmt.Printf("Request:%s\nResponse:%s\n", request, response)
}
},
},
},
},
}
}
