From f883e4d4b3f5dcb7082b22d30cdda53d04d869fd Mon Sep 17 00:00:00 2001
From: mgaitonde <mgaitonde@roblox.com>
Date: Wed, 9 Mar 2022 13:17:04 -0800
Subject: [PATCH] Expand system error message

---
 Dockerfile           | 2 +-
 Makefile             | 2 +-
 controller/system.go | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 1a3bc67..c027ee6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ COPY . /go/src/github.com/mayuresh82/gocast
 
 WORKDIR /go/src/github.com/mayuresh82/gocast
 
-RUN make
+RUN make linux
 
 FROM alpine:latest
 RUN apk --no-cache add ca-certificates bash iptables netcat-openbsd sudo
diff --git a/Makefile b/Makefile
index ec61d7f..ccbc815 100644
--- a/Makefile
+++ b/Makefile
@@ -13,4 +13,4 @@ test:
 	go test -v -race -short -failfast -mod=vendor ./...
 
 linux:
-	GOOS=linux GOARCH=amd64 go build -o gocast_linux -mod=vendor .
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o gocast -mod=vendor .
diff --git a/controller/system.go b/controller/system.go
index b0e56cd..a136d1c 100644
--- a/controller/system.go
+++ b/controller/system.go
@@ -23,7 +23,7 @@ func gateway() (net.IP, error) {
 	cmdList := getCmdList(cmd)
 	out, err := exec.Command(execCmd, cmdList...).Output()
 	if err != nil {
-		return nil, fmt.Errorf("Failed to execute command: %s", cmd)
+		return nil, fmt.Errorf("Failed to execute command: %s: %v", cmd, err)
 	}
 	return net.ParseIP(strings.TrimSpace(string(out))), nil
 }
@@ -33,7 +33,7 @@ func via(dest net.IP) (net.IP, error) {
 	cmdList := getCmdList(cmd)
 	out, err := exec.Command(execCmd, cmdList...).Output()
 	if err != nil {
-		return nil, fmt.Errorf("Failed to execute command: %s", cmd)
+		return nil, fmt.Errorf("Failed to execute command: %s: %v", cmd, err)
 	}
 	if string(out) == "" {
 		// assume the provided dest is the next hop