forked from rook/rook
Sébastien Han
af1e8c320a
If the list of cluster is empty there is no need to report an error in the logs. Signed-off-by: Sébastien Han <seb@redhat.com>
106 lines
4.4 KiB
Go
106 lines
4.4 KiB
Go
/*
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Copyright 2020 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 controller
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import (
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"context"
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"fmt"
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"reflect"
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"time"
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cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
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"github.com/rook/rook/pkg/clusterd"
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"github.com/rook/rook/pkg/operator/k8sutil"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/reconcile"
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)
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// OperatorSettingConfigMapName refers to ConfigMap that configures rook ceph operator
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const OperatorSettingConfigMapName string = "rook-ceph-operator-config"
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var (
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// ImmediateRetryResult Return this for a immediate retry of the reconciliation loop with the same request object.
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ImmediateRetryResult = reconcile.Result{Requeue: true}
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// WaitForRequeueIfCephClusterNotReady waits for the CephCluster to be ready
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WaitForRequeueIfCephClusterNotReady = reconcile.Result{Requeue: true, RequeueAfter: 10 * time.Second}
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// WaitForRequeueIfFinalizerBlocked waits for resources to be cleaned up before the finalizer can be removed
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WaitForRequeueIfFinalizerBlocked = reconcile.Result{Requeue: true, RequeueAfter: 10 * time.Second}
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// OperatorCephBaseImageVersion is the ceph version in the operator image
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OperatorCephBaseImageVersion string
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)
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// IsReadyToReconcile determines if a controller is ready to reconcile or not
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func IsReadyToReconcile(c client.Client, clustercontext *clusterd.Context, namespacedName types.NamespacedName, controllerName string) (cephv1.CephCluster, bool, bool, reconcile.Result) {
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cephClusterExists := false
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// Running ceph commands won't work and the controller will keep re-queuing so I believe it's fine not to check
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// Make sure a CephCluster exists before doing anything
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var cephCluster cephv1.CephCluster
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clusterList := &cephv1.CephClusterList{}
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err := c.List(context.TODO(), clusterList, client.InNamespace(namespacedName.Namespace))
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if err != nil {
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logger.Errorf("%q: failed to fetch CephCluster %v", controllerName, err)
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return cephCluster, false, cephClusterExists, ImmediateRetryResult
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}
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if len(clusterList.Items) == 0 {
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logger.Debugf("%q: no CephCluster resource found in namespace %q", controllerName, namespacedName.Namespace)
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return cephCluster, false, cephClusterExists, WaitForRequeueIfCephClusterNotReady
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}
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cephClusterExists = true
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cephCluster = clusterList.Items[0]
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logger.Debugf("%q: CephCluster resource %q found in namespace %q", controllerName, cephCluster.Name, namespacedName.Namespace)
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// read the CR status of the cluster
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if cephCluster.Status.CephStatus != nil {
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if cephCluster.Status.CephStatus.Health == "HEALTH_OK" || cephCluster.Status.CephStatus.Health == "HEALTH_WARN" {
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logger.Debugf("%q: ceph status is %q, operator is ready to run ceph command, reconciling", controllerName, cephCluster.Status.CephStatus.Health)
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return cephCluster, true, cephClusterExists, WaitForRequeueIfCephClusterNotReady
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}
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logger.Infof("%s: CephCluster %q found but skipping reconcile since ceph health is %q", controllerName, cephCluster.Name, cephCluster.Status.CephStatus)
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}
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return cephCluster, false, cephClusterExists, WaitForRequeueIfCephClusterNotReady
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}
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// ClusterOwnerRef represents the owner reference of the CephCluster CR
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func ClusterOwnerRef(clusterName, clusterID string) metav1.OwnerReference {
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blockOwner := true
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return metav1.OwnerReference{
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APIVersion: fmt.Sprintf("%s/%s", ClusterResource.Group, ClusterResource.Version),
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Kind: ClusterResource.Kind,
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Name: clusterName,
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UID: types.UID(clusterID),
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BlockOwnerDeletion: &blockOwner,
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}
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}
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// ClusterResource operator-kit Custom Resource Definition
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var ClusterResource = k8sutil.CustomResource{
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Name: "cephcluster",
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Plural: "cephclusters",
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Group: cephv1.CustomResourceGroup,
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Version: cephv1.Version,
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Kind: reflect.TypeOf(cephv1.CephCluster{}).Name(),
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APIVersion: fmt.Sprintf("%s/%s", cephv1.CustomResourceGroup, cephv1.Version),
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}
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