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runtime_options.go
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runtime_options.go
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// Copyright 2018-2019 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 option
import (
"errors"
)
const (
PolicyTracing = "PolicyTracing"
ConntrackAccounting = "ConntrackAccounting"
ConntrackLocal = "ConntrackLocal"
Conntrack = "Conntrack"
Debug = "Debug"
DebugLB = "DebugLB"
DropNotify = "DropNotification"
TraceNotify = "TraceNotification"
MonitorAggregation = "MonitorAggregationLevel"
NAT46 = "NAT46"
AlwaysEnforce = "always"
NeverEnforce = "never"
DefaultEnforcement = "default"
)
var (
ErrNAT46ReqIPv4 = errors.New("NAT46 requires IPv4 to be enabled")
ErrNAT46ReqIPv6 = errors.New("NAT46 requires IPv6 to be enabled")
ErrNAT46ReqVeth = errors.New("NAT46 not supported in ipvlan datapath mode")
)
var (
specConntrackAccounting = Option{
Define: "CONNTRACK_ACCOUNTING",
Description: "Enable per flow (conntrack) statistics",
Requires: []string{Conntrack},
}
specConntrackLocal = Option{
Define: "CONNTRACK_LOCAL",
Description: "Use endpoint dedicated tracking table instead of global one",
Requires: []string{Conntrack},
}
specConntrack = Option{
Define: "CONNTRACK",
Description: "Enable stateful connection tracking",
}
specDebug = Option{
Define: "DEBUG",
Description: "Enable debugging trace statements",
}
specDebugLB = Option{
Define: "LB_DEBUG",
Description: "Enable debugging trace statements for load balancer",
}
specDropNotify = Option{
Define: "DROP_NOTIFY",
Description: "Enable drop notifications",
}
specTraceNotify = Option{
Define: "TRACE_NOTIFY",
Description: "Enable trace notifications",
}
specMonitorAggregation = Option{
Define: "MONITOR_AGGREGATION",
Description: "Set the level of aggregation for monitor events in the datapath",
Verify: VerifyMonitorAggregationLevel,
Parse: ParseMonitorAggregationLevel,
Format: FormatMonitorAggregationLevel,
}
specNAT46 = Option{
Define: "ENABLE_NAT46",
Description: "Enable automatic NAT46 translation",
Requires: []string{Conntrack},
Verify: func(key string, val string) error {
opt, err := NormalizeBool(val)
if err != nil {
return err
}
if opt == OptionEnabled {
if !Config.EnableIPv4 {
return ErrNAT46ReqIPv4
}
if !Config.EnableIPv6 {
return ErrNAT46ReqIPv6
}
if Config.DatapathMode == DatapathModeIpvlan {
return ErrNAT46ReqVeth
}
}
return nil
},
}
)