Merge pull request #94 from hortonworks/quickfix

Fix GCP stack collection and add check to version fetch script

download.sh

@@ -3,6 +3,10 @@ set -x
 
 if [ "$VERSION" = "latest" ]; then
     VERSION=$(curl "https://api.github.com/repos/hortonworks/cloud-haunter/releases/latest" | grep '"tag_name"' | sed -E 's/.*"([^"]+)".*/\1/' | cut -c2-)
+    if [ -z "$VERSION" ]; then
+        echo "Failed to fetch latest version from GitHub"
+        exit 1
+    fi
 fi
 
 curl -LOs https://github.com/hortonworks/cloud-haunter/releases/download/v${VERSION}/cloud-haunter_${VERSION}_$(uname)_x86_64.tgz

gcp/gcp.go

@@ -191,7 +191,9 @@ func (p gcpProvider) GetStacks() ([]*types.Stack, error) {
 			for _, networkInterface := range gcpInstance.NetworkInterfaces {
 				if network, ok := networksBySelfLink[networkInterface.Network]; ok {
 					networkName = network.Name
-					firewallName = firewallsByNetwork[network.SelfLink].Name
+					if firewall, ok := firewallsByNetwork[network.SelfLink]; ok {
+						firewallName = firewall.Name
+					}
 					for _, subnet := range network.Subnetworks {
 						subnetParts := strings.Split(subnet, "/")
 						subnetNames = append(subnetNames, subnetParts[len(subnetParts)-1])