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config.go
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config.go
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// Copyright 2016-2019 Authors of Cilium
//
// 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 policy
import (
"github.com/cilium/cilium/pkg/labels"
"github.com/cilium/cilium/pkg/lock"
"github.com/cilium/cilium/pkg/logging"
"github.com/cilium/cilium/pkg/logging/logfields"
)
var (
log = logging.DefaultLogger.WithField(logfields.LogSubsys, "policy")
mutex lock.RWMutex // Protects enablePolicy
enablePolicy string // Whether policy enforcement is enabled.
)
// SetPolicyEnabled sets the policy enablement configuration. Valid values are:
// - endpoint.AlwaysEnforce
// - endpoint.NeverEnforce
// - endpoint.DefaultEnforcement
func SetPolicyEnabled(val string) {
mutex.Lock()
enablePolicy = val
mutex.Unlock()
}
// GetPolicyEnabled returns the policy enablement configuration
func GetPolicyEnabled() string {
mutex.RLock()
val := enablePolicy
mutex.RUnlock()
return val
}
// AddOptions are options which can be passed to PolicyAdd
type AddOptions struct {
// Replace if true indicates that existing rules with identical labels should be replaced
Replace bool
// ReplaceWithLabels if present indicates that existing rules with the
// given LabelArray should be deleted.
ReplaceWithLabels labels.LabelArray
// Generated should be set as true to signalize a the policy being inserted
// was generated by cilium-agent, e.g. dns poller.
Generated bool
// The source of this policy, one of api, fqdn or k8s
Source string
}