gnu: Add go-cloud-google-com-go-compute-metadata.

* gnu/packages/golang.scm (go-cloud-google-com-go-compute-metadata): New
variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/golang.scm

@@ -2944,6 +2944,33 @@ developers to use @code{http} methods explicitly and in a way that's consistent
 with the HTTP protocol definition.")
     (license license:expat)))
 
+(define-public go-cloud-google-com-go-compute-metadata
+  (package
+    (name "go-cloud-google-com-go-compute-metadata")
+    (version "0.81.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/googleapis/google-cloud-go")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "15jgynqb5pbxqbj3a7ii970yn4srsw1dbxzxnhpkfkmplalpgyh3"))))
+    (build-system go-build-system)
+    (arguments
+     '(#:unpack-path "cloud.google.com/go"
+       #:import-path "cloud.google.com/go/compute/metadata"))
+    (home-page
+     "https://pkg.go.dev/cloud.google.com/go/compute/metadata")
+    (synopsis
+     "Go wrapper for Google Compute Engine metadata service")
+    (description
+     "This package provides access to Google Compute Engine (GCE) metadata and
+API service accounts for Go.")
+    (license license:asl2.0)))
+
 (define-public go-github-com-google-cadvisor
   (let ((commit "2ed7198f77395ee9a172878a0a7ab92ab59a2cfd")
         (revision "0"))