Consul 注册服务和健康检查

标签（空格分隔）： go

注册服务文档：https://developer.hashicorp.com/consul/api-docs/agent/service#register-service
健康检查文档：https://developer.hashicorp.com/consul/docs/services/usage/checks

注册服务[API方式]

URL：http://127.0.0.1:8500/v1/agent/service/register
Body: 
{
  "ID": "user-service",
  "Name": "user-service",
  "Tags": ["user", "service", ""],
  "Address": "127.0.0.1",
  "Port": 9991
}

注册服务 check：http

URL：http://127.0.0.1:8500/v1/agent/service/register?replace-existing-checks=true
Header：Content-type:application/json
Body：`{
       "ID": "user-web",
       "Name": "user-web",
       "Tags": ["user", "web", "gin"],
       "Address": "127.0.0.1",
       "Port": 9999,
       // 健康检查
       "Check": {
         "http":"http://127.0.0.1:9999/health", // 健康检查的路径
         "Interval": "5s", // 间隔5秒
         "Timeout": "5s"
       },
       }`

注册服务：check：grpc

grpc健康检查文档：https://github.com/grpc/grpc/blob/master/doc/health-checking.md
consul-grpc健康检查文档：https://developer.hashicorp.com/consul/docs/services/usage/checks#grpc-checks

1. GRPC服务注册健康检查：
// 注册服务健康检查
// "google.golang.org/grpc/health"
// "google.golang.org/grpc/health/grpc_health_v1"
grpc_health_v1.RegisterHealthServer(s, health.NewServer())

2. Consul注册服务
URL：http://127.0.0.1:8500/v1/agent/service/register?replace-existing-checks=true
Body：{
        "ID": "user-service",
        "Name": "user-service",
        "Tags": ["user", "service", "grpc"],
        "Address": "127.0.0.1",
        "Port": 9991,
        "Check": {
           "GRPC":"127.0.0.1:9991",
           "GRPCUseTLS":false,
           "Interval": "5s",
           "Timeout": "5s"
        }
    }

验证

访问:http://127.0.0.1:8500/ui/dc1/services