mirror of https://github.com/fluxcd/flux2.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.7 KiB
Go
117 lines
3.7 KiB
Go
/*
|
|
Copyright 2020, 2021 The Flux authors
|
|
|
|
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.
|
|
*/
|
|
|
|
package status
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"sort"
|
|
"strings"
|
|
"time"
|
|
|
|
"k8s.io/client-go/rest"
|
|
"sigs.k8s.io/cli-utils/pkg/kstatus/polling"
|
|
"sigs.k8s.io/cli-utils/pkg/kstatus/polling/aggregator"
|
|
"sigs.k8s.io/cli-utils/pkg/kstatus/polling/collector"
|
|
"sigs.k8s.io/cli-utils/pkg/kstatus/polling/event"
|
|
"sigs.k8s.io/cli-utils/pkg/kstatus/status"
|
|
"sigs.k8s.io/cli-utils/pkg/object"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
"sigs.k8s.io/controller-runtime/pkg/client/apiutil"
|
|
|
|
"github.com/fluxcd/flux2/pkg/log"
|
|
)
|
|
|
|
type StatusChecker struct {
|
|
pollInterval time.Duration
|
|
timeout time.Duration
|
|
client client.Client
|
|
statusPoller *polling.StatusPoller
|
|
logger log.Logger
|
|
}
|
|
|
|
func NewStatusChecker(kubeConfig *rest.Config, pollInterval time.Duration, timeout time.Duration, log log.Logger) (*StatusChecker, error) {
|
|
restMapper, err := apiutil.NewDynamicRESTMapper(kubeConfig)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
c, err := client.New(kubeConfig, client.Options{Mapper: restMapper})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &StatusChecker{
|
|
pollInterval: pollInterval,
|
|
timeout: timeout,
|
|
client: c,
|
|
statusPoller: polling.NewStatusPoller(c, restMapper),
|
|
logger: log,
|
|
}, nil
|
|
}
|
|
|
|
func (sc *StatusChecker) Assess(identifiers ...object.ObjMetadata) error {
|
|
ctx, cancel := context.WithTimeout(context.Background(), sc.timeout)
|
|
defer cancel()
|
|
|
|
opts := polling.Options{PollInterval: sc.pollInterval, UseCache: true}
|
|
eventsChan := sc.statusPoller.Poll(ctx, identifiers, opts)
|
|
|
|
coll := collector.NewResourceStatusCollector(identifiers)
|
|
done := coll.ListenWithObserver(eventsChan, desiredStatusNotifierFunc(cancel, status.CurrentStatus))
|
|
|
|
<-done
|
|
|
|
// we use sorted identifiers to loop over the resource statuses because a Go's map is unordered.
|
|
// sorting identifiers by object's name makes sure that the logs look stable for every run
|
|
sort.SliceStable(identifiers, func(i, j int) bool {
|
|
return strings.Compare(identifiers[i].Name, identifiers[j].Name) < 0
|
|
})
|
|
for _, id := range identifiers {
|
|
rs := coll.ResourceStatuses[id]
|
|
switch rs.Status {
|
|
case status.CurrentStatus:
|
|
sc.logger.Successf("%s: %s ready", rs.Identifier.Name, strings.ToLower(rs.Identifier.GroupKind.Kind))
|
|
case status.NotFoundStatus:
|
|
sc.logger.Failuref("%s: %s not found", rs.Identifier.Name, strings.ToLower(rs.Identifier.GroupKind.Kind))
|
|
default:
|
|
sc.logger.Failuref("%s: %s not ready", rs.Identifier.Name, strings.ToLower(rs.Identifier.GroupKind.Kind))
|
|
}
|
|
}
|
|
|
|
if coll.Error != nil || ctx.Err() == context.DeadlineExceeded {
|
|
return fmt.Errorf("timed out waiting for condition")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// desiredStatusNotifierFunc returns an Observer function for the
|
|
// ResourceStatusCollector that will cancel the context (using the cancelFunc)
|
|
// when all resources have reached the desired status.
|
|
func desiredStatusNotifierFunc(cancelFunc context.CancelFunc,
|
|
desired status.Status) collector.ObserverFunc {
|
|
return func(rsc *collector.ResourceStatusCollector, _ event.Event) {
|
|
var rss []*event.ResourceStatus
|
|
for _, rs := range rsc.ResourceStatuses {
|
|
rss = append(rss, rs)
|
|
}
|
|
aggStatus := aggregator.AggregateStatus(rss, desired)
|
|
if aggStatus == desired {
|
|
cancelFunc()
|
|
}
|
|
}
|
|
}
|