feat: feature discovery enablement

gateway/rest/router.go

@@ -7,6 +7,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"net/http"
 	"net/http/httputil"
 	"net/url"
@@ -43,6 +44,8 @@ import (
 	"github.com/akash-network/provider/gateway/utils"
 	pmanifest "github.com/akash-network/provider/manifest"
 	ipoptypes "github.com/akash-network/provider/operator/ipoperator/types"
+
+	v1 "github.com/akash-network/akash-api/go/inventory/v1"
 )
 
 type CtxAuthKey string
@@ -107,6 +110,12 @@ func newRouter(log log.Logger, addr sdk.Address, pclient provider.Client, ipopcl
 		createStatusHandler(log, pclient, addr)).
 		Methods("GET")
 
+	// GET /features
+	// provider features endpoint does not require authentication
+	router.HandleFunc("/features",
+		createFeaturesHandler(log, pclient, addr)).
+		Methods("GET")
+
 	vrouter := router.NewRoute().Subrouter()
 	vrouter.Use(requireOwner())
 
@@ -524,6 +533,52 @@ func createStatusHandler(log log.Logger, sclient provider.StatusClient, provider
 	}
 }
 
+func createFeaturesHandler(log log.Logger, sclient provider.StatusClient, providerAddr sdk.Address) http.HandlerFunc {
+	return func(w http.ResponseWriter, req *http.Request) {
+
+		// URLs slice and use in range allows execution in both dev and prod
+		urls := []string{
+			"http://inventory-operator.akash-services.svc.cluster.local:8081/getClusterState",
+			"http://localhost:8081/getClusterState",
+		}
+
+		var resp *http.Response
+		var err error
+		for _, url := range urls {
+			resp, err = http.Get(url)
+			if err != nil {
+				fmt.Printf("Failed to get '%s': %v\n", url, err)
+				continue
+			}
+			defer resp.Body.Close()
+			break
+		}
+
+		if err != nil {
+			fmt.Printf("All attempts failed: %v\n", err)
+			return
+		}
+
+		defer resp.Body.Close()
+
+		bodyBytes, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			fmt.Println(err)
+		}
+
+		var clusterState v1.Cluster
+		err = json.Unmarshal(bodyBytes, &clusterState)
+		if err != nil {
+			fmt.Println(err)
+		}
+
+		fmt.Println("clusterState: ", clusterState)
+
+		writeJSON(log, w, clusterState)
+
+	}
+}
+
 func validateHandler(log log.Logger, cl provider.ValidateClient) http.HandlerFunc {
 	return func(w http.ResponseWriter, req *http.Request) {
 		data, err := io.ReadAll(req.Body)

go.mod

@@ -32,6 +32,7 @@ require (
 	go.uber.org/zap v1.24.0
 	golang.org/x/net v0.14.0
 	golang.org/x/sync v0.3.0
+	google.golang.org/grpc v1.57.0
 	gopkg.in/yaml.v3 v3.0.1
 	k8s.io/api v0.26.1
 	k8s.io/apimachinery v0.26.1
@@ -252,7 +253,6 @@ require (
 	google.golang.org/genproto v0.0.0-20230706204954-ccb25ca9f130 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20230706204954-ccb25ca9f130 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230720185612-659f7aaaa771 // indirect
-	google.golang.org/grpc v1.57.0 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect

operator/inventory/cmd.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"log"
 	"net"
 	"net/http"
 	"sync"
@@ -94,6 +95,30 @@ func Cmd() *cobra.Command {
 			}
 			storage = append(storage, st)
 
+			ctx, cancel := context.WithCancel(context.Background())
+			defer cancel()
+
+			// Channel to receive error messages from the goroutine
+			errChan := make(chan error, 1)
+
+			// Start FeatureDiscovery in a separate goroutine
+			go func() {
+				errChan <- FeatureDiscovery(ctx)
+			}()
+
+			// ... other code ...
+
+			select {
+			case err := <-errChan:
+				// Handle error from FeatureDiscovery
+				// You might log the error, or take corrective action
+				log.Printf("FeatureDiscovery encountered an error: %v", err)
+			case <-cmd.Context().Done():
+				// Handle the case where the main command is stopped
+				// Cancel the context used by FeatureDiscovery
+				cancel()
+			}
+
 			if st, err = NewRancher(cmd.Context()); err != nil {
 				return err
 			}