[monitoring] Remove leftover secret from temporary Grafana 10 domain …

…certificate (#9703)

* [prometheus] hook for deleting old grafanav8 certs

Signed-off-by: alexey.komyakov <[email protected]>

---------

Signed-off-by: alexey.komyakov <[email protected]>

go.mod

@@ -259,4 +259,4 @@ replace go.cypherpunks.ru/gogost/v5 v5.13.0 => github.com/flant/gogost/v5 v5.13.
 // swag v0.22+ breaks schemas_test.go:TestMapMergeAnchor, seems it doesn't support anchoring. Have to figure out that.
 replace github.com/go-openapi/swag => github.com/go-openapi/swag v0.21.1
 
-replace github.com/deckhouse/deckhouse/go_lib/registry-packages-proxy => ./go_lib/registry-packages-proxy
+replace github.com/deckhouse/deckhouse/go_lib/registry-packages-proxy => ./go_lib/registry-packages-proxy

modules/300-prometheus/hooks/delete_certificate_secret.go

@@ -0,0 +1,78 @@
+// Copyright 2024 Flant JSC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package hooks
+
+import (
+	"github.com/flant/addon-operator/pkg/module_manager/go_hook"
+	"github.com/flant/addon-operator/sdk"
+	"github.com/flant/shell-operator/pkg/kube_events_manager/types"
+	log "github.com/sirupsen/logrus"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+)
+
+type Secret struct {
+	apiVersion string
+	kind       string
+	namespace  string
+	name       string
+}
+
+var _ = sdk.RegisterFunc(&go_hook.HookConfig{
+	OnBeforeHelm: &go_hook.OrderedConfig{Order: 10},
+	Kubernetes: []go_hook.KubernetesConfig{
+		{
+			Name:         "secret",
+			ApiVersion:   "v1",
+			Kind:         "Secret",
+			NameSelector: &types.NameSelector{MatchNames: []string{"ingress-tls-v10"}},
+			FilterFunc:   applySecretFilter,
+			NamespaceSelector: &types.NamespaceSelector{
+				NameSelector: &types.NameSelector{
+					MatchNames: []string{"d8-monitoring"},
+				},
+			},
+		},
+	},
+}, removeSecretGrfana)
+
+func applySecretFilter(obj *unstructured.Unstructured) (go_hook.FilterResult, error) {
+	var secret corev1.Secret
+	err := sdk.FromUnstructured(obj, &secret)
+	if err != nil {
+		return "", err
+	}
+
+	return &Secret{
+		name:       secret.Name,
+		namespace:  secret.Namespace,
+		kind:       secret.Kind,
+		apiVersion: secret.APIVersion,
+	}, nil
+}
+
+func removeSecretGrfana(input *go_hook.HookInput) error {
+	if secretSnapshot := input.Snapshots["secret"]; len(secretSnapshot) > 0 {
+		for _, snap := range secretSnapshot {
+			secret := snap.(*Secret)
+			log.Debugf("Deleting secret: %s/%s", secret.namespace, secret.name)
+			input.PatchCollector.Delete(secret.apiVersion, secret.kind, secret.namespace, secret.name)
+		}
+	} else {
+		log.Debug("Secrets not found")
+	}
+
+	return nil
+}

modules/300-prometheus/templates/grafana/certificate.yaml

@@ -8,7 +8,7 @@ metadata:
   namespace: d8-monitoring
   {{- include "helm_lib_module_labels" (list . (dict "app" "grafana")) | nindent 2 }}
 spec:
-  certificateOwnerRef: false
+  certificateOwnerRef: true
   secretName: {{ include "helm_lib_module_https_secret_name" (list . "ingress-tls") }}
   {{ include "helm_lib_module_generate_common_name" (list . "grafana") | nindent 2 }}
   dnsNames: