Add initial API support for listing configured servers

go.mod

@@ -15,6 +15,7 @@ require (
 	github.com/gogo/protobuf v1.0.0 // indirect
 	github.com/google/go-cmp v0.2.0 // indirect
 	github.com/gotestyourself/gotestyourself v2.2.0+incompatible // indirect
+	github.com/julienschmidt/httprouter v1.2.0
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/onsi/ginkgo v1.8.0 // indirect
 	github.com/onsi/gomega v1.5.0 // indirect

go.sum

@@ -28,6 +28,8 @@ github.com/gotestyourself/gotestyourself v2.2.0+incompatible h1:AQwinXlbQR2HvPjQ
 github.com/gotestyourself/gotestyourself v2.2.0+incompatible/go.mod h1:zZKM6oeNM8k+FRljX1mnzVYeS8wiGgQyvST1/GafPbY=
 github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/julienschmidt/httprouter v1.2.0 h1:TDTW5Yz1mjftljbcKqRcrYhd4XeOoI98t+9HbQbYf7g=
+github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=

http.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/julienschmidt/httprouter"
+	"github.com/pterodactyl/wings/server"
+	"net/http"
+)
+
+type Router struct {
+	Servers []*server.Server
+}
+
+func (r *Router) routeIndex(w http.ResponseWriter, _ *http.Request, _ httprouter.Params) {
+	fmt.Fprint(w, "Welcome!\n")
+}
+
+func (r *Router) routeAllServers(w http.ResponseWriter, _ *http.Request, _ httprouter.Params) {
+	enc := json.NewEncoder(w)
+	enc.Encode(r.Servers)
+}
+
+func (r *Router) ConfigureRouter() *httprouter.Router {
+	router := httprouter.New()
+
+	router.GET("/", r.routeIndex)
+
+	router.GET("/api/servers", r.routeAllServers)
+	// router.GET("/api/servers/:server", r.routeServer)
+
+	return router
+}

server/server.go

@@ -15,29 +15,29 @@ type Server struct {
 	// The unique identifier for the server that should be used when referencing
 	// it aganist the Panel API (and internally). This will be used when naming
 	// docker containers as well as in log output.
-	Uuid string
+	Uuid string `json:"uuid"`
 
 	// Wether or not the server is in a suspended state. Suspended servers cannot
 	// be started or modified except in certain scenarios by an admin user.
-	Suspended bool
+	Suspended bool `json:"suspended"`
 
 	// The power state of the server.
-	State int
+	State int `json:"state"`
 
 	// The command that should be used when booting up the server instance.
-	Invocation string
+	Invocation string `json:"invocation"`
 
 	// An array of environment variables that should be passed along to the running
 	// server process.
-	EnvVars map[string]string `yaml:"env"`
+	EnvVars map[string]string `json:"environment" yaml:"env"`
 
-	Build       *BuildSettings
-	Allocations *Allocations
+	Build       *BuildSettings `json:"build"`
+	Allocations *Allocations   `json:"allocations"`
 
 	Container struct {
 		// Defines the Docker image that will be used for this server
-		Image string
-	}
+		Image string `json:"image,omitempty"`
+	} `json:"container,omitempty"`
 
 	environment Environment
 
@@ -49,22 +49,22 @@ type Server struct {
 type BuildSettings struct {
 	// The total amount of memory in megabytes that this server is allowed to
 	// use on the host system.
-	MemoryLimit int64 `yaml:"memory"`
+	MemoryLimit int64 `json:"memory_limit" yaml:"memory"`
 
 	// The amount of additional swap space to be provided to a container instance.
-	Swap int64
+	Swap int64 `json:"swap"`
 
 	// The relative weight for IO operations in a container. This is relative to other
 	// containers on the system and should be a value between 10 and 1000.
-	IoWeight uint16 `yaml:"io"`
+	IoWeight uint16 `json:"io_weight" yaml:"io"`
 
 	// The percentage of CPU that this instance is allowed to consume relative to
 	// the host. A value of 200% represents complete utilization of two cores. This
 	// should be a value between 1 and THREAD_COUNT * 100.
-	CpuLimit int64 `yaml:"cpu"`
+	CpuLimit int64 `json:"cpu_limit" yaml:"cpu"`
 
 	// The amount of disk space in megabytes that a server is allowed to use.
-	DiskSpace int64 `yaml:"disk"`
+	DiskSpace int64 `json:"disk_space" yaml:"disk"`
 }
 
 // Converts the CPU limit for a server build into a number that can be better understood
@@ -96,13 +96,13 @@ type Allocations struct {
 	// what will be used for {SERVER_IP} and {SERVER_PORT} when modifying configuration
 	// files or the startup arguments for a server.
 	DefaultMapping struct {
-		Ip   string
-		Port int
-	} `yaml:"default"`
+		Ip   string `json:"ip"`
+		Port int    `json:"port"`
+	} `json:"default" yaml:"default"`
 
 	// Mappings contains all of the ports that should be assigned to a given server
 	// attached to the IP they correspond to.
-	Mappings map[string][]int
+	Mappings map[string][]int `json:"mappings"`
 }
 
 // Iterates over a given directory and loads all of the servers listed before returning
@@ -184,7 +184,7 @@ func FromConfiguration(data []byte, cfg DockerConfiguration) (*Server, error) {
 
 	s.fs = &Filesystem{
 		// @todo adjust this to be configuration provided!
-		Root: "/srv/daemon-data",
+		Root:   "/srv/daemon-data",
 		Server: s,
 	}
 
@@ -205,4 +205,4 @@ func (s *Server) IsBootable() bool {
 // for the server is setup, and that all of the necessary files are created.
 func (s *Server) CreateEnvironment() error {
 	return s.environment.Create()
-}
+}

wings.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"github.com/pterodactyl/wings/server"
 	"go.uber.org/zap"
+	"net/http"
 )
 
 // Entrypoint for the Wings application. Configures the logger and checks any
@@ -50,6 +51,16 @@ func main() {
 			zap.S().Errorw("failed to create an environment for server", zap.String("server", s.Uuid), zap.Error(err))
 		}
 	}
+
+	r := &Router{
+		Servers: servers,
+	}
+
+	router := r.ConfigureRouter()
+	zap.S().Infow("configuring webserver", zap.String("host", c.Api.Host), zap.Int("port", c.Api.Port))
+	if err := http.ListenAndServe(fmt.Sprintf("%s:%d", c.Api.Host, c.Api.Port), router); err != nil {
+		zap.S().Fatalw("failed to configure HTTP server", zap.Error(err))
+	}
 }
 
 // Configures the global logger for Zap so that we can call it from any location