VOL-381 add unum container to support ONOS cluster formation under swarm
Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/vendor/github.com/opencontainers/go-digest/digester.go b/unum/vendor/github.com/opencontainers/go-digest/digester.go
new file mode 100644
index 0000000..918a3f9
--- /dev/null
+++ b/unum/vendor/github.com/opencontainers/go-digest/digester.go
@@ -0,0 +1,25 @@
+package digest
+
+import "hash"
+
+// Digester calculates the digest of written data. Writes should go directly
+// to the return value of Hash, while calling Digest will return the current
+// value of the digest.
+type Digester interface {
+ Hash() hash.Hash // provides direct access to underlying hash instance.
+ Digest() Digest
+}
+
+// digester provides a simple digester definition that embeds a hasher.
+type digester struct {
+ alg Algorithm
+ hash hash.Hash
+}
+
+func (d *digester) Hash() hash.Hash {
+ return d.hash
+}
+
+func (d *digester) Digest() Digest {
+ return NewDigest(d.alg, d.hash)
+}