Migrate to remotes interface

internal/remotes/remote/remote.go

@@ -2,24 +2,23 @@ package remote
 
 import (
 	"context"
+	"fmt"
+	"net"
+	"time"
 
+	"gitlab.sweetwater.com/it/devops/tools/gitlab-project-manager/internal/config"
 	"gitlab.sweetwater.com/it/devops/tools/gitlab-project-manager/internal/remotes/load"
 )
 
 type RemoteInfo struct {
-	Ctx   context.Context
-	Host  string
-	Name  string
-	Token string
+	Ctx        context.Context
+	Host       string
+	Name       string
+	Token      string
+	CloneProto config.CloneProto
 }
 
-type RemoteProto string
-
-const (
-	RemoteProtoSSH   RemoteProto = "ssh"
-	RemoteProtoHTTP  RemoteProto = "http"
-	RemoteProtoHTTPS RemoteProto = "https"
-)
+const defNetDialTimeoutSecs = 3
 
 // Any remote needs to be able to return
 // the number of projects the user has access to and also
@@ -27,7 +26,31 @@ const (
 // provided by *load.ProgressInfo
 type Remote interface {
 	GetInfo() *RemoteInfo                                // Returns basic RemoteInfo struct
-	IsAlive(RemoteProto) bool                            // Indicates if the remote is reachable by either SSH or HTTP
 	GetNumProjects(*RemoteQueryOpts) int                 // Returns total number of accessible projects
 	StreamProjects(*load.ProgressInfo, *RemoteQueryOpts) // Streams projects to chans provided in load.ProgressInfo
 }
+
+func IsAlive(remote Remote) bool {
+	var port int
+	switch remote.GetInfo().CloneProto {
+	case config.CloneProtoHTTP:
+		port = 443
+	case config.CloneProtoSSH:
+		port = 22
+	}
+
+	d, err := net.DialTimeout("tcp",
+		fmt.Sprintf("%s:%d", remote.GetInfo().Host, port),
+		defNetDialTimeoutSecs*time.Second)
+
+	if err == nil {
+		_, err = d.Write([]byte("ok"))
+		d.Close()
+	}
+
+	if err == nil {
+		return true
+	} else {
+		return false
+	}
+}

internal/remotes/remote/remote_opts.go

@@ -2,6 +2,8 @@ package remote
 
 import "context"
 
+// Generic options to be passed to any
+// impelenter of the Remote interface
 type RemoteQueryOpts struct {
 	Ctx       context.Context
 	OwnerOnly bool