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nodeconfig_controller.go
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/
nodeconfig_controller.go
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package controller
import (
"context"
"fmt"
"log/slog"
"time"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/client-go/kubernetes"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/log"
waov1beta1 "github.com/waok8s/wao-core/api/wao/v1beta1"
"github.com/waok8s/wao-core/pkg/metrics"
"github.com/waok8s/wao-core/pkg/metrics/dpapi"
"github.com/waok8s/wao-core/pkg/metrics/fake"
"github.com/waok8s/wao-core/pkg/metrics/redfish"
"github.com/waok8s/wao-core/pkg/util"
)
var (
Scheme = runtime.NewScheme()
)
func init() {
utilruntime.Must(clientgoscheme.AddToScheme(Scheme))
utilruntime.Must(waov1beta1.AddToScheme(Scheme))
}
// NodeConfigReconciler reconciles a NodeConfig object.
//
// NOTE: This reconciler is used in wao-metrics-adaptor instead of the controller. So RBAC rules below should be applied to wao-metrics-adaptor.
// kubebuilder:rbac:groups=wao.bitmedia.co.jp,resources=nodeconfigs,verbs=get;list;watch;create;update;patch;delete
// kubebuilder:rbac:groups=wao.bitmedia.co.jp,resources=nodeconfigs/status,verbs=get;update;patch
// kubebuilder:rbac:groups=wao.bitmedia.co.jp,resources=nodeconfigs/finalizers,verbs=update
// kubebuilder:rbac:groups=core,namespace=wao-system,resources=secrets,verbs=get
type NodeConfigReconciler struct {
client.Client
Scheme *runtime.Scheme
// SecretClient is used to get namespace scoped Secrets.
// See: NodeConfigReconciler.getBasicAuthFromSecret()
SecretClient kubernetes.Interface
MetricsCollector *metrics.Collector
MetricsStore *metrics.Store
}
// Reconcile is part of the main kubernetes reconciliation loop which aims to
// move the current state of the cluster closer to the desired state.
func (r *NodeConfigReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
lg := log.FromContext(ctx).WithValues("func", "Reconcile")
lg.Info("called")
var nc waov1beta1.NodeConfig
err := r.Get(ctx, req.NamespacedName, &nc)
if errors.IsNotFound(err) {
r.reconcileNodeConfigDeletion(ctx, req.NamespacedName)
return ctrl.Result{}, nil
}
if err != nil {
lg.Error(err, "unable to get NodeConfig")
return ctrl.Result{}, err
}
if !nc.DeletionTimestamp.IsZero() {
r.reconcileNodeConfigDeletion(ctx, req.NamespacedName)
return ctrl.Result{}, nil
}
if err := r.reconcileNodeConfig(ctx, req.NamespacedName, &nc); err != nil {
lg.Error(err, "unable to reconcile NodeConfig", "obj", &nc)
return ctrl.Result{}, err
}
return ctrl.Result{}, nil
}
func (r *NodeConfigReconciler) reconcileNodeConfigDeletion(ctx context.Context, objKey types.NamespacedName) {
lg := log.FromContext(ctx).WithValues("func", "reconcileNodeConfigDeletion")
lg.Info("called")
for _, vt := range metrics.ValueTypes {
r.MetricsCollector.Unregister(metrics.CollectorKey(objKey, vt))
}
}
const (
DefaultFetchInterval = 15 * time.Second
)
func defaultEndpointTerm(et *waov1beta1.EndpointTerm) {
if et.FetchInterval == nil {
et.FetchInterval = &metav1.Duration{Duration: DefaultFetchInterval}
}
}
func (r *NodeConfigReconciler) reconcileNodeConfig(ctx context.Context, objKey types.NamespacedName, nc *waov1beta1.NodeConfig) error {
lg := log.FromContext(ctx).WithValues("func", "reconcileNodeConfig")
lg.Info("called")
// setup inlet temp agent
{
conf := nc.Spec.MetricsCollector.InletTemp
defaultEndpointTerm(&conf)
var agent metrics.Agent
username, password := util.GetBasicAuthFromNamespaceScopedSecret(ctx, r.SecretClient, objKey.Namespace, conf.BasicAuthSecret)
fetchTimeout := conf.FetchInterval.Duration - 300*time.Millisecond
switch conf.Type {
case waov1beta1.TypeFake:
agent = fake.NewInletTempAgent(15.5, nil, 100*time.Millisecond) // fake agent always returns this value
case waov1beta1.TypeRedfish:
insecureSkipVerify := true
requestTimeout := fetchTimeout - 300*time.Millisecond
requestEditorFns := []util.RequestEditorFn{
util.WithBasicAuth(username, password),
util.WithCurlLogger(slog.With("func", "WithCurlLogger(RedfishClient.Fetch)", "node", nc.Spec.NodeName)),
}
agent = redfish.NewInletTempAgent(conf.Endpoint, redfish.TypeAutoDetect, insecureSkipVerify, requestTimeout, requestEditorFns...)
default:
return fmt.Errorf("unsupported metricsCollector.inletTemp.type: %s", conf.Type)
}
r.MetricsCollector.Register(metrics.CollectorKey(objKey, metrics.ValueInletTemperature), agent, r.MetricsStore, nc.Spec.NodeName, conf.FetchInterval.Duration, fetchTimeout)
}
// setup delta pressure agent
{
conf := nc.Spec.MetricsCollector.DeltaP
defaultEndpointTerm(&conf)
var agent metrics.Agent
username, password := util.GetBasicAuthFromNamespaceScopedSecret(ctx, r.SecretClient, objKey.Namespace, conf.BasicAuthSecret)
fetchTimeout := conf.FetchInterval.Duration - 300*time.Millisecond
switch conf.Type {
case waov1beta1.TypeFake:
agent = fake.NewDeltaPAgent(7.5, nil, 100*time.Millisecond) // fake agent always returns this value
case waov1beta1.TypeDPAPI:
insecureSkipVerify := true
requestTimeout := fetchTimeout - 300*time.Millisecond
requestEditorFns := []util.RequestEditorFn{
util.WithBasicAuth(username, password),
util.WithCurlLogger(slog.With("func", "WithCurlLogger(DifferentialPressureAPIClient.Fetch)", "node", nc.Spec.NodeName)),
}
agent = dpapi.NewDeltaPAgent(conf.Endpoint, "", nc.Spec.NodeName, "", insecureSkipVerify, requestTimeout, requestEditorFns...)
default:
return fmt.Errorf("unsupported metricsCollector.deltaP.type: %s", conf.Type)
}
r.MetricsCollector.Register(metrics.CollectorKey(objKey, metrics.ValueDeltaPressure), agent, r.MetricsStore, nc.Spec.NodeName, conf.FetchInterval.Duration, fetchTimeout)
}
return nil
}
// SetupWithManager sets up the controller with the Manager.
func (r *NodeConfigReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&waov1beta1.NodeConfig{}).
Complete(r)
}