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querier.go
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querier.go
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// Copyright 2020 Antrea 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 querier
import (
v1 "k8s.io/api/core/v1"
networkingv1beta1 "github.com/vmware-tanzu/antrea/pkg/apis/networking/v1beta1"
"github.com/vmware-tanzu/antrea/pkg/util/env"
"github.com/vmware-tanzu/antrea/pkg/version"
)
type NetworkPolicyInfoQuerier interface {
GetNetworkPolicyNum() int
GetAddressGroupNum() int
GetAppliedToGroupNum() int
}
type AgentNetworkPolicyInfoQuerier interface {
NetworkPolicyInfoQuerier
GetControllerConnectionStatus() bool
GetNetworkPolicies(namespace string) []networkingv1beta1.NetworkPolicy
GetAddressGroups() []networkingv1beta1.AddressGroup
GetAppliedToGroups() []networkingv1beta1.AppliedToGroup
GetNetworkPolicy(npName, npNamespace string) *networkingv1beta1.NetworkPolicy
GetAppliedNetworkPolicies(pod, namespace string) []networkingv1beta1.NetworkPolicy
}
type ControllerNetworkPolicyInfoQuerier interface {
NetworkPolicyInfoQuerier
GetConnectedAgentNum() int
}
// GetSelfPod gets current pod.
func GetSelfPod() v1.ObjectReference {
podName := env.GetPodName()
podNamespace := env.GetPodNamespace()
if podName == "" || podNamespace == "" {
return v1.ObjectReference{}
}
return v1.ObjectReference{Kind: "Pod", Name: podName, Namespace: podNamespace}
}
// GetSelfNode gets current node.
func GetSelfNode(isAgent bool, node string) v1.ObjectReference {
if isAgent {
if node == "" {
return v1.ObjectReference{}
}
return v1.ObjectReference{Kind: "Node", Name: node}
}
nodeName, _ := env.GetNodeName()
if nodeName == "" {
return v1.ObjectReference{}
}
return v1.ObjectReference{Kind: "Node", Name: nodeName}
}
// GetVersion gets current version.
func GetVersion() string {
return version.GetFullVersion()
}