open-nomad/api/csi_test.go

package api

import (
	"testing"

	"github.com/hashicorp/nomad/api/internal/testutil"
	"github.com/stretchr/testify/require"
)

// TestCSIVolumes_CRUD fails because of a combination of removing the job to plugin creation
// pathway and checking for plugin existence (but not yet health) at registration time.
// There are two possible solutions:
// 1. Expose the test server RPC server and force a Node.Update to fingerprint a plugin
// 2. Build and deploy a dummy CSI plugin via a job, and have it really fingerprint
func TestCSIVolumes_CRUD(t *testing.T) {
	testutil.Parallel(t)
	c, s, root := makeACLClient(t, nil, nil)
	defer s.Stop()
	v := c.CSIVolumes()

	// Successful empty result
	vols, qm, err := v.List(nil)
	require.NoError(t, err)
	require.NotEqual(t, 0, qm.LastIndex)
	require.Equal(t, 0, len(vols))

	// FIXME we're bailing out here until one of the fixes is available
	return

	// Authorized QueryOpts. Use the root token to just bypass ACL details
	opts := &QueryOptions{
		Region:    "global",
		Namespace: "default",
		AuthToken: root.SecretID,
	}

	wpts := &WriteOptions{
		Region:    "global",
		Namespace: "default",
		AuthToken: root.SecretID,
	}

	// Create node plugins
	nodes, _, err := c.Nodes().List(nil)
	require.NoError(t, err)
	require.Equal(t, 1, len(nodes))

	nodeStub := nodes[0]
	node, _, err := c.Nodes().Info(nodeStub.ID, nil)
	require.NoError(t, err)
	node.CSINodePlugins = map[string]*CSIInfo{
		"foo": {
			PluginID:                 "foo",
			Healthy:                  true,
			RequiresControllerPlugin: false,
			RequiresTopologies:       false,
			NodeInfo: &CSINodeInfo{
				ID:         nodeStub.ID,
				MaxVolumes: 200,
			},
		},
	}

	// Register a volume
	// This id is here as a string to avoid importing helper, which causes the lint
	// rule that checks that the api package is isolated to fail
	id := "DEADBEEF-31B5-8F78-7986-DD404FDA0CD1"
	_, err = v.Register(&CSIVolume{
		ID:             id,
		Namespace:      "default",
		PluginID:       "foo",
		AccessMode:     CSIVolumeAccessModeMultiNodeSingleWriter,
		AttachmentMode: CSIVolumeAttachmentModeFilesystem,
		Topologies:     []*CSITopology{{Segments: map[string]string{"foo": "bar"}}},
	}, wpts)
	require.NoError(t, err)

	// Successful result with volumes
	vols, qm, err = v.List(opts)
	require.NoError(t, err)
	require.NotEqual(t, 0, qm.LastIndex)
	require.Equal(t, 1, len(vols))

	// Successful info query
	vol, qm, err := v.Info(id, opts)
	require.NoError(t, err)
	require.Equal(t, "bar", vol.Topologies[0].Segments["foo"])

	// Deregister the volume
	err = v.Deregister(id, true, wpts)
	require.NoError(t, err)

	// Successful empty result
	vols, qm, err = v.List(nil)
	require.NoError(t, err)
	require.NotEqual(t, 0, qm.LastIndex)
	require.Equal(t, 0, len(vols))

	// Failed info query
	vol, qm, err = v.Info(id, opts)
	require.Error(t, err, "missing")
}