/
server_class.go
342 lines (274 loc) · 10.3 KB
/
server_class.go
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package tests
import (
"context"
"fmt"
"io"
"net"
"net/http"
"sort"
"testing"
"time"
"github.com/siderolabs/go-retry/retry"
"github.com/siderolabs/talos/pkg/machinery/config/configloader"
talosconfig "github.com/siderolabs/talos/pkg/machinery/config/types/v1alpha1"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
v1 "k8s.io/api/core/v1"
apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/discovery"
"k8s.io/client-go/discovery/cached/memory"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/restmapper"
capiclient "sigs.k8s.io/cluster-api/cmd/clusterctl/client"
"sigs.k8s.io/controller-runtime/pkg/client"
metalv1 "github.com/siderolabs/sidero/app/sidero-controller-manager/api/v1alpha2"
"github.com/siderolabs/sidero/sfyra/pkg/capi"
"github.com/siderolabs/sidero/sfyra/pkg/constants"
"github.com/siderolabs/sidero/sfyra/pkg/talos"
)
const (
defaultServerClassName = "default"
serverClassName = "sfyra"
)
// TestServerClassAny verifies server class "any".
func TestServerClassAny(ctx context.Context, metalClient client.Client, capiCluster talos.Cluster) TestFunc {
return func(t *testing.T) {
numNodes := len(capiCluster.Nodes())
var serverClass metalv1.ServerClass
err := metalClient.Get(ctx, types.NamespacedName{Name: metalv1.ServerClassAny}, &serverClass)
require.NoError(t, err)
assert.Empty(t, serverClass.Spec.Qualifiers)
assert.Len(t, append(serverClass.Status.ServersAvailable, serverClass.Status.ServersInUse...), numNodes)
// delete server class to see it being recreated
err = metalClient.Delete(ctx, &serverClass)
require.NoError(t, err)
serverClass = metalv1.ServerClass{}
err = retry.Constant(10 * time.Second).Retry(func() error {
if err := metalClient.Get(ctx, types.NamespacedName{Name: metalv1.ServerClassAny}, &serverClass); err != nil {
if apierrors.IsNotFound(err) {
return retry.ExpectedError(err)
}
return err
}
if len(serverClass.Status.ServersAvailable)+len(serverClass.Status.ServersInUse) != numNodes {
return retry.ExpectedErrorf("%d + %d != %d", len(serverClass.Status.ServersAvailable), len(serverClass.Status.ServersInUse), numNodes)
}
return nil
})
require.NoError(t, err)
assert.Empty(t, serverClass.Spec.Qualifiers)
assert.Len(t, append(serverClass.Status.ServersAvailable, serverClass.Status.ServersInUse...), numNodes)
}
}
// TestServerClassCreate verifies server class creation.
func TestServerClassCreate(ctx context.Context, metalClient client.Client, capiCluster talos.Cluster) TestFunc {
return func(t *testing.T) {
classSpec := metalv1.ServerClassSpec{
Qualifiers: metalv1.Qualifiers{
Hardware: []metalv1.HardwareInformation{
{
Compute: &metalv1.ComputeInformation{
Processors: []*metalv1.Processor{
{
Manufacturer: "QEMU",
},
},
},
},
},
},
EnvironmentRef: &v1.ObjectReference{
Name: environmentName,
},
}
serverClass, err := createServerClass(ctx, metalClient, defaultServerClassName, classSpec)
require.NoError(t, err)
numNodes := len(capiCluster.Nodes())
// wait for the server class to gather all nodes (all nodes should match)
require.NoError(t, retry.Constant(2*time.Minute, retry.WithUnits(10*time.Second)).Retry(func() error {
if err := metalClient.Get(ctx, types.NamespacedName{Name: defaultServerClassName}, &serverClass); err != nil {
return err
}
if len(serverClass.Status.ServersAvailable)+len(serverClass.Status.ServersInUse) != numNodes {
return retry.ExpectedErrorf("%d + %d != %d", len(serverClass.Status.ServersAvailable), len(serverClass.Status.ServersInUse), numNodes)
}
return nil
}))
assert.Len(t, append(serverClass.Status.ServersAvailable, serverClass.Status.ServersInUse...), numNodes)
nodes := capiCluster.Nodes()
expectedUUIDs := make([]string, len(nodes))
for i := range nodes {
expectedUUIDs[i] = nodes[i].UUID.String()
}
actualUUIDs := append(append([]string(nil), serverClass.Status.ServersAvailable...), serverClass.Status.ServersInUse...)
sort.Strings(expectedUUIDs)
sort.Strings(actualUUIDs)
assert.Equal(t, expectedUUIDs, actualUUIDs)
_, err = createServerClass(ctx, metalClient, serverClassName, classSpec)
require.NoError(t, err)
}
}
// TestServerClassPatch verifies config patches work at the server level.
func TestServerClassPatch(ctx context.Context, metalClient client.Client, cluster talos.Cluster, capiManager *capi.Manager) TestFunc {
return func(t *testing.T) {
// Create dummy serverclass + a server
dummySpec := metalv1.ServerSpec{
Hardware: &metalv1.HardwareInformation{
Compute: &metalv1.ComputeInformation{
Processors: []*metalv1.Processor{
{
Manufacturer: "DummyCPU",
},
},
},
},
Accepted: true,
}
dummyServer, err := createDummyServer(ctx, metalClient, "dummyserver-0", dummySpec)
require.NoError(t, err)
//nolint:errcheck
defer metalClient.Delete(ctx, &dummyServer)
installConfig := talosconfig.InstallConfig{
InstallExtraKernelArgs: []string{
"woot",
},
}
installPatch := configPatchToJSON(t, &installConfig)
classSpec := metalv1.ServerClassSpec{
ConfigPatches: []metalv1.ConfigPatches{
{
Op: "replace",
Path: "/machine/install",
Value: apiextensions.JSON{Raw: installPatch},
},
},
Qualifiers: metalv1.Qualifiers{
Hardware: []metalv1.HardwareInformation{
{
Compute: &metalv1.ComputeInformation{
Processors: []*metalv1.Processor{
{
Manufacturer: "DummyCPU",
},
},
},
},
},
},
}
dummyClass, err := createServerClass(ctx, metalClient, "dummyservers", classSpec)
require.NoError(t, err)
//nolint:errcheck
defer metalClient.Delete(ctx, &dummyClass)
// Create "cluster" using serverclass above
kubeconfig, err := capiManager.GetKubeconfig(ctx)
require.NoError(t, err)
config, err := cluster.KubernetesClient().K8sRestConfig(ctx)
require.NoError(t, err)
capiClient := capiManager.GetManagerClient()
nodeCountCP := int64(1)
nodeCountWorker := int64(0)
t.Setenv("CONTROL_PLANE_ENDPOINT", "localhost")
t.Setenv("CONTROL_PLANE_PORT", "11111")
t.Setenv("CONTROL_PLANE_SERVERCLASS", "dummyservers")
t.Setenv("WORKER_SERVERCLASS", "dummyservers")
t.Setenv("KUBERNETES_VERSION", "v1.20.4") // dummy cluster, actual value doesn't matter
t.Setenv("TALOS_VERSION", "v0.9") // dummy cluster, actual value doesn't matter
templateOptions := capiclient.GetClusterTemplateOptions{
Kubeconfig: kubeconfig,
ClusterName: "serverclass-config-patch-test",
ControlPlaneMachineCount: &nodeCountCP,
WorkerMachineCount: &nodeCountWorker,
}
template, err := capiClient.GetClusterTemplate(ctx, templateOptions)
require.NoError(t, err)
dc, err := discovery.NewDiscoveryClientForConfig(config)
require.NoError(t, err)
mapper := restmapper.NewDeferredDiscoveryRESTMapper(memory.NewMemCacheClient(dc))
dyn, err := dynamic.NewForConfig(config)
require.NoError(t, err)
for _, obj := range template.Objs() {
var mapping *meta.RESTMapping
mapping, err = mapper.RESTMapping(obj.GroupVersionKind().GroupKind(), obj.GroupVersionKind().Version)
require.NoError(t, err)
var dr dynamic.ResourceInterface
if mapping.Scope.Name() == meta.RESTScopeNameNamespace {
// namespaced resources should specify the namespace
dr = dyn.Resource(mapping.Resource).Namespace(obj.GetNamespace())
} else {
// for cluster-wide resources
dr = dyn.Resource(mapping.Resource)
}
obj := obj
_, err = dr.Create(ctx, &obj, metav1.CreateOptions{})
require.NoError(t, err)
if obj.GroupVersionKind().Kind == "Cluster" {
//nolint:errcheck
defer dr.Delete(ctx, obj.GetName(), metav1.DeleteOptions{})
}
}
// Wait for metadata server to return a 200 for that UUID, then verify it has patch.
metadataEndpoint := fmt.Sprintf("http://%s/configdata?uuid=dummyserver-0", net.JoinHostPort(cluster.SideroComponentsIP().String(), "8081"))
var metadataBytes []byte
require.NoError(t, retry.Constant(5*time.Minute, retry.WithUnits(10*time.Second)).Retry(func() error {
req, err := http.NewRequestWithContext(ctx, http.MethodGet, metadataEndpoint, nil)
if err != nil {
return err
}
client := &http.Client{}
response, err := client.Do(req)
if err != nil {
return err
}
if response.StatusCode != http.StatusOK {
return retry.ExpectedErrorf("metadata not yet present: %d", response.StatusCode)
}
defer response.Body.Close()
metadataBytes, err = io.ReadAll(response.Body)
if err != nil {
return err
}
return nil
}))
configProvider, err := configloader.NewFromBytes(metadataBytes)
require.NoError(t, err)
// try deleting dummy server before deleting the cluster
// it shouldn't break the cluster
require.NoError(t, metalClient.Delete(ctx, &dummyServer))
time.Sleep(time.Second * 10)
response := &metalv1.Server{}
require.NoError(t, metalClient.Get(ctx, types.NamespacedName{Name: dummyServer.Name}, response))
require.Greater(t, len(response.Finalizers), 0)
configV1Alpha1 := configProvider.RawV1Alpha1()
if config == nil {
t.Error("unable to cast config")
}
require.Len(t, configV1Alpha1.MachineConfig.MachineInstall.InstallExtraKernelArgs, 1)
if configV1Alpha1.MachineConfig.MachineInstall.InstallExtraKernelArgs[0] != "woot" {
t.Error("unable to validate server class patch was applied to kernel args")
}
}
}
func createServerClass(ctx context.Context, metalClient client.Client, name string, spec metalv1.ServerClassSpec) (metalv1.ServerClass, error) {
var retClass metalv1.ServerClass
if err := metalClient.Get(ctx, types.NamespacedName{Name: name}, &retClass); err != nil {
if !apierrors.IsNotFound(err) {
return retClass, nil
}
retClass.APIVersion = constants.SideroAPIVersion
retClass.Name = name
retClass.Spec = spec
err = metalClient.Create(ctx, &retClass)
if err != nil {
return retClass, err
}
}
return retClass, nil
}