120 lines
4.2 KiB
Go
120 lines
4.2 KiB
Go
/*
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Copyright 2023 The Karmada Authors.
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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 tasks
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import (
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"errors"
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"fmt"
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"time"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/klog/v2"
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"github.com/karmada-io/karmada/operator/pkg/constants"
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"github.com/karmada-io/karmada/operator/pkg/util/apiclient"
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"github.com/karmada-io/karmada/operator/pkg/workflow"
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)
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var (
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// The timeout for wait each component be ready
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// It includes the time for pulling the component image.
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componentBeReadyTimeout = 120 * time.Second
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etcdLabels = labels.Set{"karmada-app": constants.Etcd}
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karmadaApiserverLabels = labels.Set{"karmada-app": constants.KarmadaAPIServer}
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karmadaAggregatedAPIServerLabels = labels.Set{"karmada-app": constants.KarmadaAggregatedAPIServer}
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kubeControllerManagerLabels = labels.Set{"karmada-app": constants.KubeControllerManager}
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karmadaControllerManagerLabels = labels.Set{"karmada-app": constants.KarmadaControllerManager}
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karmadaSchedulerLabels = labels.Set{"karmada-app": constants.KarmadaScheduler}
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karmadaWebhookLabels = labels.Set{"karmada-app": constants.KarmadaWebhook}
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karmadaMetricAdapterLabels = labels.Set{"karmada-app": constants.KarmadaMetricsAdapter}
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)
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// NewCheckApiserverHealthTask init wait-apiserver task
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func NewCheckApiserverHealthTask() workflow.Task {
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return workflow.Task{
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Name: "check-apiserver-health",
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Run: runWaitApiserver,
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}
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}
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func runWaitApiserver(r workflow.RunData) error {
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data, ok := r.(InitData)
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if !ok {
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return fmt.Errorf("check-apiserver-health task invoked with an invalid data struct")
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}
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klog.V(4).InfoS("[check-apiserver-health] Running task", "karmada", klog.KObj(data))
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waiter := apiclient.NewKarmadaWaiter(data.ControlplaneConfig(), data.RemoteClient(), componentBeReadyTimeout)
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// check whether the karmada apiserver is health.
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if err := apiclient.TryRunCommand(waiter.WaitForAPI, 3); err != nil {
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return fmt.Errorf("the karmada apiserver is unhealthy, err: %w", err)
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}
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klog.V(2).InfoS("[check-apiserver-health] the etcd and karmada-apiserver is healthy", "karmada", klog.KObj(data))
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return nil
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}
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// NewWaitControlPlaneTask init wait-controlPlane task
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func NewWaitControlPlaneTask() workflow.Task {
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return workflow.Task{
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Name: "wait-controlPlane",
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Run: runWaitControlPlane,
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RunSubTasks: true,
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Tasks: []workflow.Task{
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newWaitControlPlaneSubTask("KubeControllerManager", kubeControllerManagerLabels),
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newWaitControlPlaneSubTask("KarmadaControllerManager", karmadaControllerManagerLabels),
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newWaitControlPlaneSubTask("KarmadaScheduler", karmadaSchedulerLabels),
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newWaitControlPlaneSubTask("KarmadaWebhook", karmadaWebhookLabels),
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},
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}
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}
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func runWaitControlPlane(r workflow.RunData) error {
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data, ok := r.(InitData)
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if !ok {
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return errors.New("wait-controlPlane task invoked with an invalid data struct")
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}
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klog.V(4).InfoS("[wait-controlPlane] Running wait-controlPlane task", "karmada", klog.KObj(data))
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return nil
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}
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func newWaitControlPlaneSubTask(component string, ls labels.Set) workflow.Task {
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return workflow.Task{
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Name: component,
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Run: runWaitControlPlaneSubTask(component, ls),
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}
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}
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func runWaitControlPlaneSubTask(component string, ls labels.Set) func(r workflow.RunData) error {
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return func(r workflow.RunData) error {
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data, ok := r.(InitData)
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if !ok {
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return errors.New("wait-controlPlane task invoked with an invalid data struct")
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}
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waiter := apiclient.NewKarmadaWaiter(nil, data.RemoteClient(), componentBeReadyTimeout)
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if err := waiter.WaitForSomePods(ls.String(), data.GetNamespace(), 1); err != nil {
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return fmt.Errorf("waiting for %s to ready timeout, err: %w", component, err)
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}
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klog.V(2).InfoS("[wait-ControlPlane] component status is ready", "component", component, "karmada", klog.KObj(data))
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return nil
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}
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}
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