/
context.go
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/
context.go
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/*
Copyright 2022 The KubeVela 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 reconciler
import (
"context"
"time"
"github.com/kubevela/pkg/util/runtime"
)
type contextKey int
const baseContextKey contextKey = iota
var (
// ReconcileTimeout timeout for controller to reconcile
ReconcileTimeout = time.Minute * 3
// ReconcileTerminationGracefulPeriod graceful period for terminating reconcile
ReconcileTerminationGracefulPeriod = time.Second * 5
)
// NewReconcileContext create context with default timeout (60s)
func NewReconcileContext(ctx context.Context) (context.Context, context.CancelFunc) {
ctx = runtime.WithController(ctx, runtime.GetControllerInCaller())
return context.WithTimeout(WithBaseContext(ctx, ctx), ReconcileTimeout)
}
// WithBaseContext wraps context with base context
func WithBaseContext(ctx context.Context, baseCtx context.Context) context.Context {
return context.WithValue(ctx, baseContextKey, baseCtx)
}
// BaseContextFrom extract base context from context
func BaseContextFrom(ctx context.Context) (context.Context, bool) {
baseCtx, ok := ctx.Value(baseContextKey).(context.Context)
return baseCtx, ok
}
// NewReconcileTerminationContext create context with graceful period to timeout
// for terminating reconciles
func NewReconcileTerminationContext(ctx context.Context) (context.Context, context.CancelFunc) {
baseCtx, ok := BaseContextFrom(ctx)
if !ok || baseCtx == nil {
baseCtx = ctx
}
return context.WithTimeout(baseCtx, ReconcileTerminationGracefulPeriod)
}