Use map for Client.GetSSHKeys(...) response

sshkeys.go

@@ -2,16 +2,10 @@ package metadata
 
 import "context"
 
-// SSHKeysUserData contains per-user SSH public keys
-// specified during Linode instance/disk creation.
-type SSHKeysUserData struct {
-	Root []string `json:"root"`
-}
-
 // SSHKeysData contains information about SSH keys
 // relevant to the current Linode instance.
 type SSHKeysData struct {
-	Users SSHKeysUserData `json:"users"`
+	Users map[string][]string `json:"users"`
 }
 
 // GetSSHKeys gets all SSH keys for the current instance.

test/integration/sshkeys_test.go

@@ -0,0 +1,24 @@
+package integration
+
+import (
+	"context"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+// NOTE: This test assumes the host instance has
+// a user configured with SSH keys. This should
+// always be the case when using the `make e2e`
+// target but may not always be the case when running
+// the `make e2e-local` target.
+func TestGetSSHKeys(t *testing.T) {
+	t.Parallel()
+
+	sshKeys, err := metadataClient.GetSSHKeys(context.Background())
+	assert.NoError(t, err)
+
+	assert.Greater(t, len(sshKeys.Users), 0)
+	for _, v := range sshKeys.Users {
+		assert.Greater(t, len(v), 0)
+	}
+}