mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-14 11:57:37 +00:00
115 lines
3.3 KiB
Go
115 lines
3.3 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package reconcile
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import (
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"context"
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"github.com/rs/zerolog"
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meta "k8s.io/apimachinery/pkg/apis/meta/v1"
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"time"
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api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
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"github.com/arangodb/kube-arangodb/pkg/util/errors"
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"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
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)
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func init() {
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registerAction(api.ActionTypeRotateMember, newRotateMemberAction)
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}
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// newRotateMemberAction creates a new Action that implements the given
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// planned RotateMember action.
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func newRotateMemberAction(log zerolog.Logger, action api.Action, actionCtx ActionContext) Action {
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a := &actionRotateMember{}
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a.actionImpl = newActionImplDefRef(log, action, actionCtx, rotateMemberTimeout)
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return a
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}
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// actionRotateMember implements an RotateMember.
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type actionRotateMember struct {
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// actionImpl implement timeout and member id functions
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actionImpl
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}
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// Start performs the start of the action.
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// Returns true if the action is completely finished, false in case
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// the start time needs to be recorded and a ready condition needs to be checked.
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func (a *actionRotateMember) Start(ctx context.Context) (bool, error) {
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shutdown, m, ok := getShutdownHelper(&a.action, a.actionCtx, a.log)
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if !ok {
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return true, nil
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}
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if ready, err := shutdown.Start(ctx); err != nil {
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return false, err
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} else if ready {
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return true, nil
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}
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// Update status
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m.Phase = api.MemberPhaseRotating
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if err := a.actionCtx.UpdateMember(ctx, m); err != nil {
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return false, errors.WithStack(err)
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}
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return false, nil
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}
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// CheckProgress checks the progress of the action.
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// Returns: ready, abort, error.
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func (a *actionRotateMember) CheckProgress(ctx context.Context) (bool, bool, error) {
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// Check that pod is removed
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log := a.log
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shutdown, m, ok := getShutdownHelper(&a.action, a.actionCtx, a.log)
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if !ok {
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return true, false, nil
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}
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if ready, abort, err := shutdown.CheckProgress(ctx); err != nil {
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return false, abort, err
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} else if !ready {
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return false, false, nil
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}
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// Pod is terminated, we can now remove it
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if err := a.actionCtx.DeletePod(ctx, m.PodName, meta.DeleteOptions{}); err != nil {
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if !k8sutil.IsNotFound(err) {
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log.Error().Err(err).Msg("Unable to delete pod")
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return false, false, nil
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}
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}
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// Pod is now gone, update the member status
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m.Phase = api.MemberPhaseNone
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m.RecentTerminations = nil // Since we're rotating, we do not care about old terminations.
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m.CleanoutJobID = ""
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if err := a.actionCtx.UpdateMember(ctx, m); err != nil {
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return false, false, errors.WithStack(err)
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}
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return true, false, nil
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}
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func (a *actionRotateMember) StartFailureGracePeriod() time.Duration {
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return 30 * time.Second
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}
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