forked from yamt/midonet-kubernetes
/
server.go
112 lines (100 loc) · 3.12 KB
/
server.go
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// Copyright (C) 2018 Midokura SARL.
// All rights reserved.
//
// 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 main
import (
"net"
"os"
"golang.org/x/net/context"
"google.golang.org/grpc"
log "github.com/sirupsen/logrus"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/client-go/kubernetes"
"github.com/midonet/midonet-kubernetes/pkg/converter"
"github.com/midonet/midonet-kubernetes/pkg/k8s"
api "github.com/midonet/midonet-kubernetes/pkg/nodeapi"
)
type server struct {
client *kubernetes.Clientset
}
func (s *server) AddPodAnnotation(ctx context.Context, in *api.AddPodAnnotationRequest) (*api.AddPodAnnotationReply, error) {
logger := log.WithFields(log.Fields{
"request": "AddPodAnnotation",
"args": in,
})
logger.Info("Got a request")
var errorMessage string
var reason string
if in.Key == converter.MACAnnotation {
err := k8s.AddPodAnnotation(s.client, in.Namespace, in.Name, in.Key, in.Value)
if err != nil {
errorMessage = err.Error()
reason = string(errors.ReasonForError(err))
logger.WithError(err).WithField("reason", reason).Error("Failed")
} else {
logger.Info("Succeed")
}
} else {
logger.Error("Rejected")
errorMessage = "Rejected"
}
return &api.AddPodAnnotationReply{
Error: errorMessage,
Metav1StatusReason: reason,
}, nil
}
func (s *server) DeletePodAnnotation(ctx context.Context, in *api.DeletePodAnnotationRequest) (*api.DeletePodAnnotationReply, error) {
logger := log.WithFields(log.Fields{
"request": "DeletePodAnnotation",
"args": in,
})
logger.Info("Got a request")
var errorMessage string
var reason string
if in.Key == converter.MACAnnotation {
err := k8s.DeletePodAnnotation(s.client, in.Namespace, in.Name, in.Key)
if err != nil {
errorMessage = err.Error()
reason = string(errors.ReasonForError(err))
logger.WithError(err).WithField("reason", reason).Error("Failed")
} else {
logger.Info("Succeed")
}
} else {
logger.Error("Rejected")
errorMessage = "Rejected"
}
return &api.DeletePodAnnotationReply{
Error: errorMessage,
Metav1StatusReason: reason,
}, nil
}
func serveRPC(clientset *kubernetes.Clientset) {
log.Info("Starting RPC server")
logger := log.WithField("path", api.Path)
os.Remove(api.Path)
logger.Info("Listening")
l, err := net.Listen("unix", api.Path)
if err != nil {
logger.WithError(err).Fatal("Failed to listen")
}
s := grpc.NewServer()
api.RegisterMidoNetKubeNodeServer(s, &server{client: clientset})
logger.Info("Serving")
err = s.Serve(l)
if err != nil {
logger.WithError(err).Fatal("Failed to serve")
}
logger.Fatal("RPC server exited")
}