mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-22 13:00:19 +00:00
3af1e26d7c
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
75 lines
3.2 KiB
Go
75 lines
3.2 KiB
Go
/*
|
|
* Copyright 2016 gRPC 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 internal contains gRPC-internal code, to avoid polluting
|
|
// the godoc of the top-level grpc package. It must not import any grpc
|
|
// symbols to avoid circular dependencies.
|
|
package internal
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"google.golang.org/grpc/connectivity"
|
|
)
|
|
|
|
var (
|
|
// WithResolverBuilder is set by dialoptions.go
|
|
WithResolverBuilder interface{} // func (resolver.Builder) grpc.DialOption
|
|
// WithHealthCheckFunc is set by dialoptions.go
|
|
WithHealthCheckFunc interface{} // func (HealthChecker) DialOption
|
|
// HealthCheckFunc is used to provide client-side LB channel health checking
|
|
HealthCheckFunc HealthChecker
|
|
// BalancerUnregister is exported by package balancer to unregister a balancer.
|
|
BalancerUnregister func(name string)
|
|
// KeepaliveMinPingTime is the minimum ping interval. This must be 10s by
|
|
// default, but tests may wish to set it lower for convenience.
|
|
KeepaliveMinPingTime = 10 * time.Second
|
|
// StatusRawProto is exported by status/status.go. This func returns a
|
|
// pointer to the wrapped Status proto for a given status.Status without a
|
|
// call to proto.Clone(). The returned Status proto should not be mutated by
|
|
// the caller.
|
|
StatusRawProto interface{} // func (*status.Status) *spb.Status
|
|
// NewRequestInfoContext creates a new context based on the argument context attaching
|
|
// the passed in RequestInfo to the new context.
|
|
NewRequestInfoContext interface{} // func(context.Context, credentials.RequestInfo) context.Context
|
|
// ParseServiceConfigForTesting is for creating a fake
|
|
// ClientConn for resolver testing only
|
|
ParseServiceConfigForTesting interface{} // func(string) *serviceconfig.ParseResult
|
|
)
|
|
|
|
// HealthChecker defines the signature of the client-side LB channel health checking function.
|
|
//
|
|
// The implementation is expected to create a health checking RPC stream by
|
|
// calling newStream(), watch for the health status of serviceName, and report
|
|
// it's health back by calling setConnectivityState().
|
|
//
|
|
// The health checking protocol is defined at:
|
|
// https://github.com/grpc/grpc/blob/master/doc/health-checking.md
|
|
type HealthChecker func(ctx context.Context, newStream func(string) (interface{}, error), setConnectivityState func(connectivity.State, error), serviceName string) error
|
|
|
|
const (
|
|
// CredsBundleModeFallback switches GoogleDefaultCreds to fallback mode.
|
|
CredsBundleModeFallback = "fallback"
|
|
// CredsBundleModeBalancer switches GoogleDefaultCreds to grpclb balancer
|
|
// mode.
|
|
CredsBundleModeBalancer = "balancer"
|
|
// CredsBundleModeBackendFromBalancer switches GoogleDefaultCreds to mode
|
|
// that supports backend returned by grpclb balancer.
|
|
CredsBundleModeBackendFromBalancer = "backend-from-balancer"
|
|
)
|