/
driver_starter.go
377 lines (352 loc) · 12.8 KB
/
driver_starter.go
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package vspherecontroller
import (
"context"
"crypto/sha256"
"fmt"
"os"
infralister "github.com/openshift/client-go/config/listers/config/v1"
"github.com/openshift/library-go/pkg/operator/resource/resourcehash"
"github.com/openshift/vmware-vsphere-csi-driver-operator/pkg/operator/utils"
"gopkg.in/gcfg.v1"
ocpv1 "github.com/openshift/api/config/v1"
operatorapi "github.com/openshift/api/operator/v1"
"github.com/openshift/library-go/pkg/controller/factory"
"github.com/openshift/library-go/pkg/operator/csi/csicontrollerset"
"github.com/openshift/library-go/pkg/operator/csi/csidrivercontrollerservicecontroller"
"github.com/openshift/library-go/pkg/operator/csi/csidrivernodeservicecontroller"
"github.com/openshift/library-go/pkg/operator/deploymentcontroller"
"github.com/openshift/library-go/pkg/operator/loglevel"
"github.com/openshift/vmware-vsphere-csi-driver-operator/assets"
appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
corev1informers "k8s.io/client-go/informers/core/v1"
corelister "k8s.io/client-go/listers/core/v1"
"k8s.io/klog/v2"
"k8s.io/legacy-cloud-providers/vsphere"
)
func (c *VSphereController) createCSIDriver() {
csiControllerSet := csicontrollerset.NewCSIControllerSet(
c.operatorClient,
c.eventRecorder,
).WithLogLevelController().WithManagementStateController(
driverOperandName,
false,
).WithStaticResourcesController(
"VMwareVSphereDriverStaticResourcesController",
c.kubeClient,
c.apiClients.DynamicClient,
c.apiClients.KubeInformers,
assets.ReadFile,
[]string{
"rbac/privileged_role.yaml",
"rbac/controller_privileged_binding.yaml",
"rbac/node_privileged_binding.yaml",
"rbac/csi_driver_controller_role.yaml",
"rbac/csi_driver_controller_binding.yaml",
"rbac/csi_driver_node_cluster_role.yaml",
"rbac/csi_driver_node_cluster_binding.yaml",
"rbac/csi_driver_node_role.yaml",
"rbac/csi_driver_node_binding.yaml",
"rbac/main_attacher_binding.yaml",
"rbac/main_provisioner_binding.yaml",
"rbac/volumesnapshot_reader_provisioner_binding.yaml",
"rbac/main_resizer_binding.yaml",
"rbac/storageclass_reader_resizer_binding.yaml",
"rbac/kube_rbac_proxy_role.yaml",
"rbac/kube_rbac_proxy_binding.yaml",
"rbac/prometheus_role.yaml",
"rbac/prometheus_rolebinding.yaml",
"rbac/main_snapshotter_binding.yaml",
"rbac/lease_leader_election_role.yaml",
"rbac/lease_leader_election_rolebinding.yaml",
"controller_sa.yaml",
"controller_pdb.yaml",
"node_sa.yaml",
"csidriver.yaml",
"service.yaml",
"ca_configmap.yaml",
// Static assets used by the webhook
"webhook/config.yaml",
"webhook/sa.yaml",
"webhook/service.yaml",
"webhook/configuration.yaml",
"webhook/rbac/role.yaml",
"webhook/rbac/rolebinding.yaml",
"webhook/pdb.yaml",
},
).WithConditionalStaticResourcesController(
"VMwareVSphereDriverConditionalStaticResourcesController",
c.kubeClient,
c.apiClients.DynamicClient,
c.apiClients.KubeInformers,
assets.ReadFile,
[]string{
"volumesnapshotclass.yaml",
},
// Only install when CRD exists.
func() bool {
name := "volumesnapshotclasses.snapshot.storage.k8s.io"
_, err := c.apiClients.ApiExtClient.ApiextensionsV1().CustomResourceDefinitions().Get(context.TODO(), name, metav1.GetOptions{})
return err == nil
},
// Don't ever remove.
func() bool {
return false
},
).WithCSIConfigObserverController(
"VMwareVSphereDriverCSIConfigObserverController",
c.apiClients.ConfigInformers,
).WithCSIDriverControllerService(
"VMwareVSphereDriverControllerServiceController",
assets.ReadFile,
"controller.yaml",
c.apiClients.KubeClient,
c.apiClients.KubeInformers.InformersFor(defaultNamespace),
c.apiClients.ConfigInformers,
[]factory.Informer{
c.apiClients.SecretInformer.Informer(),
c.apiClients.ConfigMapInformer.Informer(),
c.apiClients.NodeInformer.Informer(),
},
WithVSphereCredentials(defaultNamespace, cloudCredSecretName, c.infraLister, c.configMapLister, c.apiClients.SecretInformer),
WithSyncerImageHook("vsphere-syncer"),
WithLogLevelDeploymentHook(),
c.topologyHook,
csidrivercontrollerservicecontroller.WithObservedProxyDeploymentHook(),
csidrivercontrollerservicecontroller.WithCABundleDeploymentHook(
defaultNamespace,
trustedCAConfigMap,
c.apiClients.ConfigMapInformer,
),
csidrivercontrollerservicecontroller.WithSecretHashAnnotationHook(
defaultNamespace,
cloudCredSecretName,
c.apiClients.SecretInformer,
),
csidrivercontrollerservicecontroller.WithSecretHashAnnotationHook(
defaultNamespace,
metricsCertSecretName,
c.apiClients.SecretInformer,
),
csidrivercontrollerservicecontroller.WithReplicasHook(c.nodeLister),
).WithCSIDriverNodeService(
"VMwareVSphereDriverNodeServiceController",
assets.ReadFile,
"node.yaml",
c.apiClients.KubeClient,
c.apiClients.KubeInformers.InformersFor(defaultNamespace),
[]factory.Informer{c.apiClients.ConfigMapInformer.Informer()},
WithLogLevelDaemonSetHook(),
csidrivernodeservicecontroller.WithObservedProxyDaemonSetHook(),
csidrivernodeservicecontroller.WithCABundleDaemonSetHook(
defaultNamespace,
trustedCAConfigMap,
c.apiClients.ConfigMapInformer,
),
WithConfigMapDaemonSetAnnotationHook("vsphere-csi-config", defaultNamespace, c.apiClients.ConfigMapInformer),
).WithServiceMonitorController(
"VMWareVSphereDriverServiceMonitorController",
c.apiClients.DynamicClient,
assets.ReadFile,
"servicemonitor.yaml",
)
c.controllers = append(c.controllers, conditionalController{
name: driverOperandName,
controller: csiControllerSet,
})
}
func (c *VSphereController) topologyHook(opSpec *operatorapi.OperatorSpec, deployment *appsv1.Deployment) error {
clusterCSIDriver, err := c.apiClients.ClusterCSIDriverInformer.Lister().Get(utils.VSphereDriverName)
if err != nil {
return err
}
infra, err := c.infraLister.Get(infraGlobalName)
if err != nil {
return err
}
topologyCategories := utils.GetTopologyCategories(clusterCSIDriver, infra)
if len(topologyCategories) > 0 {
containers := deployment.Spec.Template.Spec.Containers
for i := range containers {
if containers[i].Name != "csi-provisioner" {
continue
}
containers[i].Args = append(containers[i].Args, "--feature-gates=Topology=true", "--strict-topology")
}
deployment.Spec.Template.Spec.Containers = containers
}
return nil
}
func WithVSphereCredentials(
namespace string,
secretName string,
infraLister infralister.InfrastructureLister,
configMapLister corelister.ConfigMapLister,
secretInformer corev1informers.SecretInformer,
) deploymentcontroller.DeploymentHookFunc {
return func(opSpec *operatorapi.OperatorSpec, deployment *appsv1.Deployment) error {
secret, err := secretInformer.Lister().Secrets(namespace).Get(secretName)
if err != nil {
return err
}
infra, err := infraLister.Get(infraGlobalName)
if err != nil {
return err
}
vCenterName, err := getvCenterName(infra, configMapLister)
if err != nil {
return err
}
// CCO generates a secret that contains dynamic keys, for example:
// oc get secret/vmware-vsphere-cloud-credentials -o json | jq .data
// {
// "vcenter.xyz.vmwarevmc.com.password": "***",
// "vcenter.xyz.vmwarevmc.com.username": "***"
// }
// So we need to figure those keys out
var usernameKey, passwordKey string
if len(secret.Data) > 2 {
klog.Warningf("CSI driver can only connect to one vcenter, more than 1 set of credentials found for CSI driver")
}
usernameKey = vCenterName + ".username"
passwordKey = vCenterName + ".password"
if usernameKey == "" || passwordKey == "" {
return fmt.Errorf("could not find vSphere credentials in secret %s/%s", secret.Namespace, secret.Name)
}
// Add to csi-driver and vsphere-syncer containers the vSphere credentials, as env vars.
containers := deployment.Spec.Template.Spec.Containers
for i := range containers {
if containers[i].Name != "csi-driver" && containers[i].Name != "vsphere-syncer" {
continue
}
containers[i].Env = append(
containers[i].Env,
newSecretEnvVar(secretName, "VSPHERE_USER", usernameKey),
newSecretEnvVar(secretName, "VSPHERE_PASSWORD", passwordKey),
)
}
deployment.Spec.Template.Spec.Containers = containers
return nil
}
}
func getvCenterName(infra *ocpv1.Infrastructure, configmapLister corelister.ConfigMapLister) (string, error) {
// This change can only be used in >=4.13 versions of OCP
vSphereInfraConfig := infra.Spec.PlatformSpec.VSphere
if vSphereInfraConfig != nil && len(vSphereInfraConfig.VCenters) > 0 {
return vSphereInfraConfig.VCenters[0].Server, nil
}
cloudConfig := infra.Spec.CloudConfig
cloudConfigMap, err := configmapLister.ConfigMaps(cloudConfigNamespace).Get(cloudConfig.Name)
if err != nil {
return "", fmt.Errorf("failed to get cloud config: %v", err)
}
cfgString, ok := cloudConfigMap.Data[infra.Spec.CloudConfig.Key]
if !ok {
return "", fmt.Errorf("cloud config %s/%s does not contain key %q", cloudConfigNamespace, cloudConfig.Name, cloudConfig.Key)
}
cfg := new(vsphere.VSphereConfig)
err = gcfg.ReadStringInto(cfg, cfgString)
if err != nil {
return "", err
}
return cfg.Workspace.VCenterIP, nil
}
func WithSyncerImageHook(containerName string) deploymentcontroller.DeploymentHookFunc {
return func(opSpec *operatorapi.OperatorSpec, deployment *appsv1.Deployment) error {
containers := deployment.Spec.Template.Spec.Containers
for i := range containers {
if containers[i].Name == containerName {
containers[i].Image = os.Getenv(envVMWareVsphereDriverSyncerImage)
}
}
deployment.Spec.Template.Spec.Containers = containers
return nil
}
}
// WithLogLevelDeploymentHook sets the X_CSI_DEBUG and LOGGER_LEVEL environment variables
// when CR.LogLevel is Debug or higher.
func WithLogLevelDeploymentHook() deploymentcontroller.DeploymentHookFunc {
return func(opSpec *operatorapi.OperatorSpec, deployment *appsv1.Deployment) error {
deployment.Spec.Template.Spec.Containers = maybeAppendDebug(deployment.Spec.Template.Spec.Containers, opSpec)
return nil
}
}
// WithLogLevelDaemonSetHook sets the X_CSI_DEBUG and LOGGER_LEVEL environment variables
// when CR.LogLevel is Debug or higher.
func WithLogLevelDaemonSetHook() csidrivernodeservicecontroller.DaemonSetHookFunc {
return func(opSpec *operatorapi.OperatorSpec, ds *appsv1.DaemonSet) error {
ds.Spec.Template.Spec.Containers = maybeAppendDebug(ds.Spec.Template.Spec.Containers, opSpec)
return nil
}
}
func WithConfigMapDaemonSetAnnotationHook(configMapName, namespace string, configMapInformer corev1informers.ConfigMapInformer) csidrivernodeservicecontroller.DaemonSetHookFunc {
return func(opSpec *operatorapi.OperatorSpec, ds *appsv1.DaemonSet) error {
inputHashes, err := resourcehash.MultipleObjectHashStringMapForObjectReferenceFromLister(
configMapInformer.Lister(),
nil,
resourcehash.NewObjectRef().ForConfigMap().InNamespace(namespace).Named(configMapName),
)
if err != nil {
return fmt.Errorf("invalid dependency reference: %w", err)
}
return addObjectHash(ds, inputHashes)
}
}
func addObjectHash(daemonSet *appsv1.DaemonSet, inputHashes map[string]string) error {
if daemonSet == nil {
return fmt.Errorf("invalid daemonSet: %v", daemonSet)
}
if daemonSet.Annotations == nil {
daemonSet.Annotations = map[string]string{}
}
if daemonSet.Spec.Template.Annotations == nil {
daemonSet.Spec.Template.Annotations = map[string]string{}
}
for k, v := range inputHashes {
annotationKey := fmt.Sprintf("operator.openshift.io/dep-%s", k)
if len(annotationKey) > 63 {
hash := sha256.Sum256([]byte(k))
annotationKey = fmt.Sprintf("operator.openshift.io/dep-%x", hash)
annotationKey = annotationKey[:63]
}
daemonSet.Annotations[annotationKey] = v
daemonSet.Spec.Template.Annotations[annotationKey] = v
}
return nil
}
// maybeAppendDebug works like the append() builtin; it returns a new slice of containers
// with the logging env vars properly set (or not).
func maybeAppendDebug(containers []v1.Container, opSpec *operatorapi.OperatorSpec) []v1.Container {
// Don't set the debug option when the current level is lower than debug
if loglevel.LogLevelToVerbosity(opSpec.LogLevel) < loglevel.LogLevelToVerbosity(operatorapi.Debug) {
return containers
}
for i := range containers {
if containers[i].Name != "csi-driver" && containers[i].Name != "vsphere-syncer" {
continue
}
containers[i].Env = append(
containers[i].Env,
v1.EnvVar{Name: "X_CSI_DEBUG", Value: "true"},
)
containers[i].Env = append(
containers[i].Env,
v1.EnvVar{Name: "LOGGER_LEVEL", Value: "DEVELOPMENT"},
)
}
return containers
}
func newSecretEnvVar(secretName, envVarName, key string) v1.EnvVar {
return v1.EnvVar{
Name: envVarName,
ValueFrom: &v1.EnvVarSource{
SecretKeyRef: &v1.SecretKeySelector{
LocalObjectReference: v1.LocalObjectReference{
Name: secretName,
},
Key: key,
},
},
}
}