最近在看微服務,跟大佬們請教了下很多微服務的知識,然後看教程自己實踐,在此特別感謝0.01km(QQ暱稱)大佬的幫助
本節主要是針對與go-micro服務註冊的過程中源碼閱讀的分享,
s := micro.NewService(
micro.Name("go.micro.srv.user"),
micro.Version("latest"),
)
s.Init()
這裏做了很多事
func newOptions(opts ...Option) Options {
opt := Options{
Broker: broker.DefaultBroker,
Cmd: cmd.DefaultCmd,
Client: client.DefaultClient,
Server: server.DefaultServer,
Registry: registry.DefaultRegistry,
Transport: transport.DefaultTransport,
Context: context.Background(),
}
}
這塊初始化Options結構體,如果想要修改consul默認的註冊地址,必須要修改NewRegistry函數,裏面賦值
type Options struct {
Addrs []string //註冊ip地址:192.168.1.2:8080
Timeout time.Duration
Secure bool
TLSConfig *tls.Config
// Other options for implementations of the interface
// can be stored in a context
Context context.Context
}
//這裏是獲取默認的配置
func configure(c *consulRegistry, opts ...Option) {
// set opts
for _, o := range opts {
o(&c.opts)
}
// use default config
config := consul.DefaultConfig()
//consul默認配置
func defaultConfig(transportFn func() *http.Transport) *Config {
config := &Config{
Address: "127.0.0.1:8500",
Scheme: "http",
Transport: transportFn(),
}
if addr := os.Getenv(HTTPAddrEnvName); addr != "" {
config.Address = addr
}
if token := os.Getenv(HTTPTokenEnvName); token != "" {
config.Token = token
}
if auth := os.Getenv(HTTPAuthEnvName); auth != "" {
var username, password string
if strings.Contains(auth, ":") {
split := strings.SplitN(auth, ":", 2)
username = split[0]
password = split[1]
} else {
username = auth
}
好了,下節繼續分享其他部分