set server-side timeout for GET requests

client/client.go

@@ -71,7 +71,7 @@ func (client *AzBlobstore) Sign(dest string, action string, expiration time.Dura
 	action = strings.ToUpper(action)
 	switch action {
 	case "GET", "PUT":
-		return client.storageClient.SignedUrl(dest, expiration)
+		return client.storageClient.SignedUrl(action, dest, expiration)
 	default:
 		return "", fmt.Errorf("action not implemented: %s", action)
 	}

client/client_test.go

@@ -146,7 +146,8 @@ var _ = Describe("Client", func() {
 			Expect(url == "https://the-signed-url").To(BeTrue())
 			Expect(err).ToNot(HaveOccurred())
 
-			dest, expiration := storageClient.SignedUrlArgsForCall(0)
+			action, dest, expiration := storageClient.SignedUrlArgsForCall(0)
+			Expect(action).To(Equal("GET"))
 			Expect(dest).To(Equal("blob"))
 			Expect(int(expiration)).To(Equal(100))
 		})

client/storage_client.go

@@ -37,6 +37,7 @@ type StorageClient interface {
 	) (bool, error)
 
 	SignedUrl(
+		requestType string,
 		dest string,
 		expiration time.Duration,
 	) (string, error)
@@ -152,6 +153,7 @@ func (dsc DefaultStorageClient) Exists(
 }
 
 func (dsc DefaultStorageClient) SignedUrl(
+	requestType string,
 	dest string,
 	expiration time.Duration,
 ) (string, error) {
@@ -169,5 +171,9 @@ func (dsc DefaultStorageClient) SignedUrl(
 		return "", err
 	}
 
+	if requestType == "GET" {
+		url = url + "&timeout=1800"
+	}
+
 	return url, err
 }