open-nomad/client/pluginmanager/csimanager/instance_test.go
2023-04-10 15:36:59 +00:00

84 lines
2.1 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package csimanager
import (
"context"
"sync"
"testing"
"time"
"github.com/hashicorp/nomad/client/dynamicplugins"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/plugins/csi"
"github.com/hashicorp/nomad/plugins/csi/fake"
"github.com/stretchr/testify/require"
)
func setupTestNodeInstanceManager(t *testing.T) (*fake.Client, *instanceManager) {
tp := &fake.Client{}
logger := testlog.HCLogger(t)
pinfo := &dynamicplugins.PluginInfo{
Name: "test-plugin",
}
return tp, &instanceManager{
logger: logger,
info: pinfo,
client: tp,
fp: &pluginFingerprinter{
logger: logger.Named("fingerprinter"),
info: pinfo,
client: tp,
fingerprintNode: true,
hadFirstSuccessfulFingerprintCh: make(chan struct{}),
},
}
}
func TestInstanceManager_Shutdown(t *testing.T) {
var pluginHealth bool
var lock sync.Mutex
ctx, cancelFn := context.WithCancel(context.Background())
client, im := setupTestNodeInstanceManager(t)
im.shutdownCtx = ctx
im.shutdownCtxCancelFn = cancelFn
im.shutdownCh = make(chan struct{})
im.updater = func(_ string, info *structs.CSIInfo) {
lock.Lock()
defer lock.Unlock()
pluginHealth = info.Healthy
}
// set up a mock successful fingerprint so that we can get
// a healthy plugin before shutting down
client.NextPluginGetCapabilitiesResponse = &csi.PluginCapabilitySet{}
client.NextPluginGetCapabilitiesErr = nil
client.NextNodeGetInfoResponse = &csi.NodeGetInfoResponse{NodeID: "foo"}
client.NextNodeGetInfoErr = nil
client.NextNodeGetCapabilitiesResponse = &csi.NodeCapabilitySet{}
client.NextNodeGetCapabilitiesErr = nil
client.NextPluginProbeResponse = true
go im.runLoop()
require.Eventually(t, func() bool {
lock.Lock()
defer lock.Unlock()
return pluginHealth
}, 1*time.Second, 10*time.Millisecond)
cancelFn() // fires im.shutdown()
require.Eventually(t, func() bool {
lock.Lock()
defer lock.Unlock()
return !pluginHealth
}, 1*time.Second, 10*time.Millisecond)
}