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plan_builder_cluster.go
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plan_builder_cluster.go
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//
// DISCLAIMER
//
// Copyright 2016-2023 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package reconcile
import (
"context"
"time"
"github.com/arangodb/go-driver"
api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
"github.com/arangodb/kube-arangodb/pkg/deployment/actions"
sharedReconcile "github.com/arangodb/kube-arangodb/pkg/deployment/reconcile/shared"
"github.com/arangodb/kube-arangodb/pkg/util/globals"
"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
)
const coordinatorHealthFailedTimeout time.Duration = time.Minute
func (r *Reconciler) createClusterOperationPlan(ctx context.Context, apiObject k8sutil.APIObject,
spec api.DeploymentSpec, status api.DeploymentStatus,
planCtx PlanBuilderContext) api.Plan {
if spec.GetMode() != api.DeploymentModeCluster {
return nil
}
c, err := planCtx.GetMembersState().State().GetDatabaseClient()
if err != nil {
return nil
}
ctxChild, cancel := globals.GetGlobalTimeouts().ArangoD().WithTimeout(ctx)
defer cancel()
cluster, err := c.Cluster(ctxChild)
if err != nil {
r.log.Err(err).Warn("Unable to get Cluster client")
return nil
}
ctxChild, cancel = globals.GetGlobalTimeouts().ArangoD().WithTimeout(ctx)
defer cancel()
health, err := cluster.Health(ctxChild)
if err != nil {
r.log.Err(err).Warn("Unable to get Cluster health")
return nil
}
membersHealth := health.Health
for _, e := range status.Members.AsList() {
delete(membersHealth, driver.ServerID(e.Member.ID))
}
if len(membersHealth) == 0 {
return nil
}
for id, member := range membersHealth {
switch member.Role {
case driver.ServerRoleCoordinator:
if member.Status != driver.ServerStatusFailed {
continue
}
if member.LastHeartbeatAcked.Add(coordinatorHealthFailedTimeout).Before(time.Now()) {
return api.Plan{
actions.NewAction(api.ActionTypeClusterMemberCleanup, api.ServerGroupCoordinators, sharedReconcile.WithPredefinedMember(string(id))),
}
}
case driver.ServerRoleDBServer:
if member.Status != driver.ServerStatusFailed {
continue
}
if !member.CanBeDeleted {
continue
}
return api.Plan{
actions.NewAction(api.ActionTypeClusterMemberCleanup, api.ServerGroupDBServers, sharedReconcile.WithPredefinedMember(string(id))),
}
}
}
return nil
}