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types.go
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types.go
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// Copyright (c) 2022 Multus 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 server
import (
"net/http"
"time"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/prometheus/client_golang/prometheus"
"gopkg.in/k8snetworkplumbingwg/multus-cni.v4/pkg/k8sclient"
"k8s.io/client-go/informers/internalinterfaces"
"k8s.io/client-go/tools/cache"
)
const (
// const block for multus-daemon configs
// DefaultMultusDaemonConfigFile is the Default path of the config file
DefaultMultusDaemonConfigFile = "/etc/cni/net.d/multus.d/daemon-config.json"
// DefaultMultusRunDir specifies default RunDir for multus
DefaultMultusRunDir = "/run/multus/"
// DefaultCertDuration specifies default duration for certs in per-node-certs config
DefaultCertDuration = 10 * time.Minute
)
// Metrics represents server's metrics.
type Metrics struct {
requestCounter *prometheus.CounterVec
}
// Server represents an HTTP server listening to a unix socket. It will handle
// the CNI shim requests issued when a pod is added / removed.
type Server struct {
http.Server
rundir string
kubeclient *k8sclient.ClientInfo
exec invoke.Exec
serverConfig []byte
metrics *Metrics
informerFactory internalinterfaces.SharedInformerFactory
podInformer cache.SharedIndexInformer
ignoreReadinessIndicator bool
}
// PerNodeCertificate for auto certificate generation for per node
type PerNodeCertificate struct {
Enabled bool `json:"enabled,omitempty"`
BootstrapKubeconfig string `json:"bootstrapKubeconfig,omitempty"`
CertDir string `json:"certDir,omitempty"`
CertDuration string `json:"certDuration,omitempty"`
}
// ControllerNetConf for the controller cni configuration
type ControllerNetConf struct {
ChrootDir string `json:"chrootDir,omitempty"`
LogFile string `json:"logFile"`
LogLevel string `json:"logLevel"`
LogToStderr bool `json:"logToStderr,omitempty"`
PerNodeCertificate *PerNodeCertificate `json:"perNodeCertificate,omitempty"`
MetricsPort *int `json:"metricsPort,omitempty"`
// Option to point to the path of the unix domain socket through which the
// multus client / server communicate.
SocketDir string `json:"socketDir"`
ConfigFileContents []byte `json:"-"`
}