App for fetching and uploading images to cloud bucket storage

util/geturl.go

@@ -0,0 +1,8 @@
+package util
+
+import "fmt"
+
+// ImageURL creates imageURL from hostname and image name
+func ImageURL(hostname, name string) string {
+	return fmt.Sprintf("https://%s/api/v1/images/%s", hostname, name)
+}

util/hash.go

@@ -0,0 +1,14 @@
+package util
+
+import (
+	"crypto/sha1"
+	"fmt"
+)
+
+// Hash hashes a string using sha1
+func Hash(s string) string {
+	hash := sha1.New()
+	_, _ = hash.Write([]byte(s))
+	bs := hash.Sum(nil)
+	return fmt.Sprintf("%x", bs)
+}