avanthakkar
8fa561484a
Similar to the ceph crash collector daemon that generates a keyring with more restrictive privileges, the exporter should also generate and use a more limited keyring. Signed-off-by: avanthakkar <avanjohn@gmail.com>
87 lines
3.0 KiB
Go
87 lines
3.0 KiB
Go
/*
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Copyright 2019 The Rook Authors. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package keyring
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import (
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"fmt"
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"github.com/pkg/errors"
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v1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
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"github.com/rook/rook/pkg/clusterd"
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cephclient "github.com/rook/rook/pkg/daemon/ceph/client"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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const (
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adminKeyringResourceName = "rook-ceph-admin"
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crashCollectorKeyringResourceName = "rook-ceph-crash-collector"
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exporterKeyringResourceName = "rook-ceph-exporter"
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adminKeyringTemplate = `
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[client.admin]
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key = %s
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caps mds = "allow *"
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caps mon = "allow *"
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caps osd = "allow *"
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caps mgr = "allow *"
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`
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)
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// An AdminStore is a specialized derivative of the SecretStore helper for storing the Ceph cluster
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// admin keyring as a Kubernetes secret.
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type AdminStore struct {
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secretStore *SecretStore
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}
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// Admin returns the special Admin keyring store type.
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func (s *SecretStore) Admin() *AdminStore {
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return &AdminStore{secretStore: s}
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}
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// CreateOrUpdate creates or updates the admin keyring secret with cluster information.
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func (a *AdminStore) CreateOrUpdate(c *cephclient.ClusterInfo, context *clusterd.Context, annotation v1.AnnotationsSpec) error {
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keyring := fmt.Sprintf(adminKeyringTemplate, c.CephCred.Secret)
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err := a.secretStore.CreateOrUpdate(adminKeyringResourceName, keyring)
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if err != nil {
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return err
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}
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err = ApplyClusterMetadataToSecret(c, keyringSecretName(adminKeyringResourceName), context, annotation)
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if err != nil {
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return errors.Errorf("failed to update admin secrets. %v", err)
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}
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return nil
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}
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func ApplyClusterMetadataToSecret(c *cephclient.ClusterInfo, secretName string, context *clusterd.Context, annotation v1.AnnotationsSpec) error {
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// Get secret to update annotation
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secret, err := context.Clientset.CoreV1().Secrets(c.Namespace).Get(c.Context, secretName, metav1.GetOptions{})
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if err != nil {
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return errors.Wrapf(err, "failed to get %s secrets", secretName)
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}
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// We would need to reset the annotations back to empty, then reapply the annotations this is because the in some rook-ceph-mon secret is retrieved
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// and then updated, instead of a new secret being generated.
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secret.Annotations = map[string]string{}
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v1.GetClusterMetadataAnnotations(annotation).ApplyToObjectMeta(&secret.ObjectMeta)
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_, err = context.Clientset.CoreV1().Secrets(c.Namespace).Update(c.Context, secret, metav1.UpdateOptions{})
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if err != nil {
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return errors.Wrapf(err, "failed to update %s secret.", secretName)
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}
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return nil
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}
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