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deployment_reconciler.go
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deployment_reconciler.go
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package kibana
import (
"context"
"fmt"
"time"
"emperror.dev/errors"
"github.com/disaster37/operator-sdk-extra/pkg/apis/shared"
"github.com/disaster37/operator-sdk-extra/pkg/controller"
"github.com/disaster37/operator-sdk-extra/pkg/helper"
"github.com/disaster37/operator-sdk-extra/pkg/object"
"github.com/sirupsen/logrus"
elasticsearchcrd "github.com/webcenter-fr/elasticsearch-operator/apis/elasticsearch/v1"
kibanacrd "github.com/webcenter-fr/elasticsearch-operator/apis/kibana/v1"
"github.com/webcenter-fr/elasticsearch-operator/controllers/common"
appv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/tools/record"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
)
const (
DeploymentCondition shared.ConditionName = "DeploymentReady"
DeploymentPhase shared.PhaseName = "Deployment"
)
type deploymentReconciler struct {
controller.BaseReconciler
controller.MultiPhaseStepReconcilerAction
}
func newDeploymentReconciler(client client.Client, logger *logrus.Entry, recorder record.EventRecorder) (multiPhaseStepReconcilerAction controller.MultiPhaseStepReconcilerAction) {
return &deploymentReconciler{
MultiPhaseStepReconcilerAction: controller.NewBasicMultiPhaseStepReconcilerAction(
client,
DeploymentPhase,
DeploymentCondition,
logger,
recorder,
),
BaseReconciler: controller.BaseReconciler{
Client: client,
Recorder: recorder,
Log: logger,
},
}
}
// Read existing satefulsets
func (r *deploymentReconciler) Read(ctx context.Context, resource object.MultiPhaseObject, data map[string]any) (read controller.MultiPhaseRead, res ctrl.Result, err error) {
o := resource.(*kibanacrd.Kibana)
dpl := &appv1.Deployment{}
read = controller.NewBasicMultiPhaseRead()
s := &corev1.Secret{}
cm := &corev1.ConfigMap{}
cmList := &corev1.ConfigMapList{}
var es *elasticsearchcrd.Elasticsearch
configMapsChecksum := make([]corev1.ConfigMap, 0)
secretsChecksum := make([]corev1.Secret, 0)
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: GetDeploymentName(o)}, dpl); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read deployment")
}
dpl = nil
}
if dpl != nil {
read.SetCurrentObjects([]client.Object{dpl})
}
// Read Elasticsearch
if o.Spec.ElasticsearchRef.IsManaged() {
es, err = common.GetElasticsearchFromRef(ctx, r.Client, o, o.Spec.ElasticsearchRef)
if err != nil {
return read, res, errors.Wrap(err, "Error when read ElasticsearchRef")
}
if es == nil {
r.Log.Warn("ElasticsearchRef not found, try latter")
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
} else {
es = nil
}
// Read keystore secret if needed
if o.Spec.KeystoreSecretRef != nil && o.Spec.KeystoreSecretRef.Name != "" {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: o.Spec.KeystoreSecretRef.Name}, s); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read secret %s", o.Spec.KeystoreSecretRef.Name)
}
r.Log.Warnf("Secret %s not yet exist, try again later", o.Spec.KeystoreSecretRef.Name)
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
secretsChecksum = append(secretsChecksum, *s)
}
// Read APi Crt if needed
if o.Spec.Tls.IsTlsEnabled() {
if o.Spec.Tls.IsSelfManagedSecretForTls() {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: GetSecretNameForTls(o)}, s); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read secret %s", GetSecretNameForTls(o))
}
r.Log.Warnf("Secret %s not yet exist, try again later", GetSecretNameForTls(o))
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
secretsChecksum = append(secretsChecksum, *s)
} else {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: o.Spec.Tls.CertificateSecretRef.Name}, s); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read secret %s", o.Spec.Tls.CertificateSecretRef.Name)
}
r.Log.Warnf("Secret %s not yet exist, try again later", o.Spec.Tls.CertificateSecretRef.Name)
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
secretsChecksum = append(secretsChecksum, *s)
}
}
// Read Custom CA Elasticsearch if needed
if (o.Spec.ElasticsearchRef.IsManaged() && es.Spec.Tls.IsTlsEnabled()) || o.Spec.ElasticsearchRef.ElasticsearchCaSecretRef != nil {
if o.Spec.ElasticsearchRef.IsManaged() && es.Spec.Tls.IsTlsEnabled() && es.Spec.Tls.IsSelfManagedSecretForTls() {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: GetSecretNameForCAElasticsearch(o)}, s); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read secret %s", GetSecretNameForCAElasticsearch(o))
}
r.Log.Warnf("Secret %s not yet exist, try again later", GetSecretNameForCAElasticsearch(o))
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
secretsChecksum = append(secretsChecksum, *s)
} else {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: o.Spec.ElasticsearchRef.ElasticsearchCaSecretRef.Name}, s); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read secret %s", o.Spec.ElasticsearchRef.ElasticsearchCaSecretRef.Name)
}
r.Log.Warnf("Secret %s not yet exist, try again later", o.Spec.ElasticsearchRef.ElasticsearchCaSecretRef.Name)
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
if len(s.Data["ca.crt"]) == 0 {
return read, res, errors.Errorf("Secret %s must have a key `ca.crt`", s.Name)
}
secretsChecksum = append(secretsChecksum, *s)
}
}
// Read configMaps to generate checksum
labelSelectors, err := labels.Parse(fmt.Sprintf("cluster=%s,%s=true", o.Name, kibanacrd.KibanaAnnotationKey))
if err != nil {
return read, res, errors.Wrap(err, "Error when generate label selector")
}
if err = r.Client.List(ctx, cmList, &client.ListOptions{Namespace: o.Namespace, LabelSelector: labelSelectors}); err != nil {
return read, res, errors.Wrapf(err, "Error when read configMap")
}
configMapsChecksum = append(configMapsChecksum, cmList.Items...)
// Read extra Env to generate checksum if secret or configmap
for _, env := range o.Spec.Deployment.Env {
if env.ValueFrom != nil && env.ValueFrom.SecretKeyRef != nil {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: env.ValueFrom.SecretKeyRef.Name}, s); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read secret %s", env.ValueFrom.SecretKeyRef.Name)
}
r.Log.Warnf("Secret %s not yet exist, try again later", env.ValueFrom.SecretKeyRef.Name)
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
secretsChecksum = append(secretsChecksum, *s)
break
}
if env.ValueFrom != nil && env.ValueFrom.ConfigMapKeyRef != nil {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: env.ValueFrom.ConfigMapKeyRef.Name}, cm); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read configMap %s", env.ValueFrom.ConfigMapKeyRef.Name)
}
r.Log.Warnf("ConfigMap %s not yet exist, try again later", env.ValueFrom.ConfigMapKeyRef.Name)
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
configMapsChecksum = append(configMapsChecksum, *cm)
break
}
}
// Read extra Env from to generate checksum if secret or configmap
for _, ef := range o.Spec.Deployment.EnvFrom {
if ef.SecretRef != nil {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: ef.SecretRef.Name}, s); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read secret %s", ef.SecretRef.Name)
}
r.Log.Warnf("Secret %s not yet exist, try again later", ef.SecretRef.Name)
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
secretsChecksum = append(secretsChecksum, *s)
break
}
if ef.ConfigMapRef != nil {
if err = r.Client.Get(ctx, types.NamespacedName{Namespace: o.Namespace, Name: ef.ConfigMapRef.Name}, cm); err != nil {
if !k8serrors.IsNotFound(err) {
return read, res, errors.Wrapf(err, "Error when read configMap %s", ef.ConfigMapRef.Name)
}
r.Log.Warnf("ConfigMap %s not yet exist, try again later", ef.ConfigMapRef.Name)
return read, ctrl.Result{RequeueAfter: 30 * time.Second}, nil
}
configMapsChecksum = append(configMapsChecksum, *cm)
break
}
}
// Generate expected deployment
expectedDeployments, err := buildDeployments(o, es, secretsChecksum, configMapsChecksum)
if err != nil {
return read, res, errors.Wrap(err, "Error when generate deployment")
}
read.SetExpectedObjects(helper.ToSliceOfObject(expectedDeployments))
return read, res, nil
}