open-nomad/nomad/volumewatcher/volume_watcher_test.go

78 lines
1.8 KiB
Go

package volumewatcher
import (
"context"
"testing"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/state"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/stretchr/testify/require"
)
func TestVolumeWatch_Reap(t *testing.T) {
t.Parallel()
require := require.New(t)
srv := &MockRPCServer{
state: state.TestStateStore(t),
}
plugin := mock.CSIPlugin()
node := testNode(plugin, srv.State())
alloc := mock.Alloc()
alloc.NodeID = node.ID
alloc.ClientStatus = structs.AllocClientStatusComplete
vol := testVolume(plugin, alloc, node.ID)
vol.PastClaims = vol.ReadClaims
ctx, exitFn := context.WithCancel(context.Background())
w := &volumeWatcher{
v: vol,
rpc: srv,
state: srv.State(),
ctx: ctx,
exitFn: exitFn,
logger: testlog.HCLogger(t),
}
err := w.volumeReapImpl(vol)
require.NoError(err)
// past claim from a previous pass
vol.PastClaims = map[string]*structs.CSIVolumeClaim{
alloc.ID: {
NodeID: node.ID,
Mode: structs.CSIVolumeClaimRead,
State: structs.CSIVolumeClaimStateNodeDetached,
},
}
err = w.volumeReapImpl(vol)
require.NoError(err)
require.Len(vol.PastClaims, 1)
// claim emitted by a GC event
vol.PastClaims = map[string]*structs.CSIVolumeClaim{
"": {
NodeID: node.ID,
Mode: structs.CSIVolumeClaimGC,
},
}
err = w.volumeReapImpl(vol)
require.NoError(err)
require.Len(vol.PastClaims, 2) // alloc claim + GC claim
// release claims of a previously GC'd allocation
vol.ReadAllocs[alloc.ID] = nil
vol.PastClaims = map[string]*structs.CSIVolumeClaim{
"": {
NodeID: node.ID,
Mode: structs.CSIVolumeClaimRead,
},
}
err = w.volumeReapImpl(vol)
require.NoError(err)
require.Len(vol.PastClaims, 2) // alloc claim + GC claim
}