mirror of
https://github.com/akvorado/akvorado.git
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637 lines
20 KiB
Go
637 lines
20 KiB
Go
// SPDX-FileCopyrightText: 2022 Free Mobile
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// SPDX-License-Identifier: AGPL-3.0-only
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package schema
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import (
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"errors"
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"fmt"
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"slices"
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"strings"
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"akvorado/common/helpers/bimap"
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"github.com/bits-and-blooms/bitset"
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)
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// InterfaceBoundary identifies wether the interface is facing inside or outside the network.
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type InterfaceBoundary uint
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const (
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// InterfaceBoundaryUndefined means we don't know about the interface.
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InterfaceBoundaryUndefined InterfaceBoundary = iota
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// InterfaceBoundaryExternal means this interface is facing outside our network
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InterfaceBoundaryExternal
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// InterfaceBoundaryInternal means this interface is facing inside our network
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InterfaceBoundaryInternal
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)
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var (
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interfaceBoundaryMap = bimap.New(map[InterfaceBoundary]string{
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InterfaceBoundaryUndefined: "undefined",
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InterfaceBoundaryExternal: "external",
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InterfaceBoundaryInternal: "internal",
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})
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errUnknownInterfaceBoundary = errors.New("unknown interface boundary")
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)
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// MarshalText turns an interface boundary to text
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func (ib InterfaceBoundary) MarshalText() ([]byte, error) {
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got, ok := interfaceBoundaryMap.LoadValue(ib)
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if ok {
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return []byte(got), nil
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}
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return nil, errUnknownInterfaceBoundary
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}
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// String turns an interface boundary to string
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func (ib InterfaceBoundary) String() string {
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got, _ := interfaceBoundaryMap.LoadValue(ib)
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return got
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}
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// UnmarshalText provides an interface boundary from text
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func (ib *InterfaceBoundary) UnmarshalText(input []byte) error {
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if len(input) == 0 {
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*ib = InterfaceBoundaryUndefined
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return nil
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}
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got, ok := interfaceBoundaryMap.LoadKey(string(input))
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if ok {
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*ib = got
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return nil
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}
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return errUnknownInterfaceBoundary
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}
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const (
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// DictionaryASNs is the name of the asns clickhouse dictionary.
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DictionaryASNs string = "asns"
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// DictionaryProtocols is the name of the protocols clickhouse dictionary.
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DictionaryProtocols string = "protocols"
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// DictionaryICMP is the name of the icmp clickhouse dictionary.
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DictionaryICMP string = "icmp"
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// DictionaryNetworks is the name of the networks clickhouse dictionary.
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DictionaryNetworks string = "networks"
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// DictionaryTCP is the name of the TCP clickhouse dictionary
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DictionaryTCP string = "tcp"
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// DictionaryUDP is the name of the UDP clickhouse dictionary
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DictionaryUDP string = "udp"
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)
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// revive:disable
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const (
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ColumnTimeReceived ColumnKey = iota + 1
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ColumnSamplingRate
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ColumnEType
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ColumnProto
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ColumnBytes
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ColumnPackets
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ColumnPacketSize
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ColumnPacketSizeBucket
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ColumnForwardingStatus
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ColumnExporterAddress
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ColumnExporterName
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ColumnExporterGroup
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ColumnExporterRole
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ColumnExporterSite
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ColumnExporterRegion
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ColumnExporterTenant
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ColumnSrcAddr
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ColumnDstAddr
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ColumnSrcNetMask
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ColumnDstNetMask
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ColumnSrcNetPrefix
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ColumnDstNetPrefix
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ColumnSrcAS
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ColumnDstAS
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ColumnSrcVlan
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ColumnDstVlan
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ColumnSrcPort
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ColumnDstPort
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ColumnSrcNetName
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ColumnDstNetName
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ColumnSrcNetRole
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ColumnDstNetRole
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ColumnSrcNetSite
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ColumnDstNetSite
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ColumnSrcNetRegion
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ColumnDstNetRegion
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ColumnSrcNetTenant
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ColumnDstNetTenant
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ColumnSrcCountry
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ColumnDstCountry
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ColumnSrcGeoState
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ColumnDstGeoState
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ColumnSrcGeoCity
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ColumnDstGeoCity
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ColumnDstASPath
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ColumnDst1stAS
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ColumnDst2ndAS
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ColumnDst3rdAS
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ColumnDstCommunities
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ColumnDstLargeCommunities
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ColumnInIfName
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ColumnOutIfName
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ColumnInIfDescription
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ColumnOutIfDescription
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ColumnInIfSpeed
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ColumnOutIfSpeed
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ColumnInIfProvider
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ColumnOutIfProvider
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ColumnInIfConnectivity
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ColumnOutIfConnectivity
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ColumnInIfBoundary
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ColumnOutIfBoundary
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ColumnSrcAddrNAT
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ColumnDstAddrNAT
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ColumnSrcPortNAT
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ColumnDstPortNAT
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ColumnSrcMAC
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ColumnDstMAC
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ColumnIPTTL
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ColumnIPTos
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ColumnIPFragmentID
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ColumnIPFragmentOffset
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ColumnIPv6FlowLabel
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ColumnTCPFlags
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ColumnICMPv4
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ColumnICMPv4Type
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ColumnICMPv4Code
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ColumnICMPv6
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ColumnICMPv6Type
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ColumnICMPv6Code
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ColumnNextHop
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ColumnMPLSLabels
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ColumnMPLS1stLabel
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ColumnMPLS2ndLabel
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ColumnMPLS3rdLabel
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ColumnMPLS4thLabel
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// ColumnLast points to after the last static column, custom dictionaries
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// (dynamic columns) come after ColumnLast
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ColumnLast
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)
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const (
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ColumnGroupL2 ColumnGroup = iota + 1
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ColumnGroupNAT
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ColumnGroupL3L4
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ColumnGroupLast
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)
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// revive:enable
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// Flows is the data schema for flows tables. Any column starting with Src/InIf
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// will be duplicated as Dst/OutIf during init. That's not the case for columns
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// in `PrimaryKeys'.
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func flows() Schema {
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return Schema{
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clickhousePrimaryKeys: []ColumnKey{
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ColumnTimeReceived,
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ColumnExporterAddress,
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ColumnEType,
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ColumnProto,
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ColumnInIfName,
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ColumnSrcAS,
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ColumnForwardingStatus,
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ColumnOutIfName,
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ColumnDstAS,
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ColumnSamplingRate,
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},
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columns: []Column{
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{
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Key: ColumnTimeReceived,
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NoDisable: true,
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ClickHouseType: "DateTime",
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ClickHouseCodec: "DoubleDelta, LZ4",
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ConsoleNotDimension: true,
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},
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{Key: ColumnSamplingRate, NoDisable: true, ClickHouseType: "UInt64", ConsoleNotDimension: true},
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{Key: ColumnExporterAddress, ParserType: "ip", ClickHouseType: "LowCardinality(IPv6)"},
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{Key: ColumnExporterName, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{Key: ColumnExporterGroup, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{Key: ColumnExporterRole, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{Key: ColumnExporterSite, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{Key: ColumnExporterRegion, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{Key: ColumnExporterTenant, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{
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Key: ColumnSrcAddr,
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ParserType: "ip",
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ClickHouseMainOnly: true,
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ClickHouseType: "IPv6",
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ClickHouseCodec: "ZSTD(1)",
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ConsoleTruncateIP: true,
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},
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{
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Key: ColumnSrcNetMask,
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ClickHouseMainOnly: true,
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ClickHouseType: "UInt8",
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ConsoleNotDimension: true,
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},
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{
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Key: ColumnSrcNetPrefix,
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ClickHouseMainOnly: true,
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ClickHouseType: "String",
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ClickHouseMaterializedType: "LowCardinality(String)",
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ClickHouseAlias: `CASE
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WHEN EType = 0x800 THEN concat(replaceRegexpOne(IPv6CIDRToRange(SrcAddr, (96 + SrcNetMask)::UInt8).1::String, '^::ffff:', ''), '/', SrcNetMask::String)
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WHEN EType = 0x86dd THEN concat(IPv6CIDRToRange(SrcAddr, SrcNetMask).1::String, '/', SrcNetMask::String)
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ELSE ''
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END`,
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},
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{
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Key: ColumnSrcAS,
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ClickHouseType: "UInt32",
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ClickHouseGenerateFrom: "if(SrcAS = 0, c_SrcNetworks[asn], SrcAS)",
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ClickHouseSelfGenerated: true,
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},
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{
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Key: ColumnDstAS,
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ClickHouseType: "UInt32",
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ClickHouseGenerateFrom: "if(DstAS = 0, c_DstNetworks[asn], DstAS)",
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ClickHouseSelfGenerated: true,
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},
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{
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Key: ColumnSrcNetName,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_SrcNetworks[name]",
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},
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{
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Key: ColumnDstNetName,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_DstNetworks[name]",
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},
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{
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Key: ColumnSrcNetRole,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_SrcNetworks[role]",
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},
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{
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Key: ColumnDstNetRole,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_DstNetworks[role]",
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},
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{
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Key: ColumnSrcNetSite,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_SrcNetworks[site]",
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},
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{
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Key: ColumnDstNetSite,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_DstNetworks[site]",
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},
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{
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Key: ColumnSrcNetRegion,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_SrcNetworks[region]",
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},
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{
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Key: ColumnDstNetRegion,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_DstNetworks[region]",
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},
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{
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Key: ColumnSrcNetTenant,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_SrcNetworks[tenant]",
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},
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{
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Key: ColumnDstNetTenant,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_DstNetworks[tenant]",
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},
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{Key: ColumnSrcVlan, ParserType: "uint", ClickHouseType: "UInt16", Disabled: true, Group: ColumnGroupL2},
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{
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Key: ColumnSrcCountry,
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ParserType: "string",
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ClickHouseType: "FixedString(2)",
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ClickHouseGenerateFrom: "c_SrcNetworks[country]",
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},
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{
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Key: ColumnDstCountry,
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ParserType: "string",
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ClickHouseType: "FixedString(2)",
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ClickHouseGenerateFrom: "c_DstNetworks[country]",
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},
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{
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Key: ColumnSrcGeoCity,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_SrcNetworks[city]",
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},
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{
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Key: ColumnDstGeoCity,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_DstNetworks[city]",
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},
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{
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Key: ColumnSrcGeoState,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_SrcNetworks[state]",
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},
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{
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Key: ColumnDstGeoState,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseGenerateFrom: "c_DstNetworks[state]",
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},
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{
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Key: ColumnDstASPath,
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ClickHouseMainOnly: true,
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ClickHouseType: "Array(UInt32)",
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},
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{
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Key: ColumnDst1stAS,
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Depends: []ColumnKey{ColumnDstASPath},
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ClickHouseType: "UInt32",
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ClickHouseGenerateFrom: "c_DstASPath[1]",
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},
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{
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Key: ColumnDst2ndAS,
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Depends: []ColumnKey{ColumnDstASPath},
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ClickHouseType: "UInt32",
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ClickHouseGenerateFrom: "c_DstASPath[2]",
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},
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{
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Key: ColumnDst3rdAS,
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Depends: []ColumnKey{ColumnDstASPath},
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ClickHouseType: "UInt32",
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ClickHouseGenerateFrom: "c_DstASPath[3]",
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},
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{
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Key: ColumnDstCommunities,
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ClickHouseMainOnly: true,
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ClickHouseType: "Array(UInt32)",
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},
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{
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Key: ColumnDstLargeCommunities,
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ClickHouseMainOnly: true,
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ClickHouseType: "Array(UInt128)",
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ConsoleNotDimension: true,
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},
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{Key: ColumnInIfName, ParserType: "string", ClickHouseType: "LowCardinality(String)"},
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{Key: ColumnInIfDescription, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{Key: ColumnInIfSpeed, ParserType: "uint", ClickHouseType: "UInt32", ClickHouseNotSortingKey: true},
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{Key: ColumnInIfConnectivity, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{Key: ColumnInIfProvider, ParserType: "string", ClickHouseType: "LowCardinality(String)", ClickHouseNotSortingKey: true},
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{
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Key: ColumnInIfBoundary,
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ClickHouseType: fmt.Sprintf("Enum8('undefined' = %d, 'external' = %d, 'internal' = %d)", InterfaceBoundaryUndefined, InterfaceBoundaryExternal, InterfaceBoundaryInternal),
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ClickHouseNotSortingKey: true,
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},
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{Key: ColumnEType, ClickHouseType: "UInt32"}, // TODO: UInt16 but hard to change, primary key
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{Key: ColumnProto, ClickHouseType: "UInt32"}, // TODO: UInt8 but hard to change, primary key
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{Key: ColumnSrcPort, ParserType: "uint", ClickHouseType: "UInt16", ClickHouseMainOnly: true},
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{
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Key: ColumnBytes,
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NoDisable: true,
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ClickHouseType: "UInt64",
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ClickHouseCodec: "T64, LZ4",
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ClickHouseNotSortingKey: true,
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ConsoleNotDimension: true,
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},
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{
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Key: ColumnPackets,
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NoDisable: true,
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ClickHouseType: "UInt64",
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ClickHouseCodec: "T64, LZ4",
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ClickHouseNotSortingKey: true,
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ConsoleNotDimension: true,
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},
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{
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Key: ColumnPacketSize,
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Depends: []ColumnKey{ColumnBytes, ColumnPackets},
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ParserType: "uint",
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ClickHouseType: "UInt64",
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ClickHouseAlias: "intDiv(Bytes, Packets)",
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ConsoleNotDimension: true,
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},
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{
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Key: ColumnPacketSizeBucket,
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Depends: []ColumnKey{ColumnPacketSize},
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ClickHouseType: "LowCardinality(String)",
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ClickHouseAlias: func() string {
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boundaries := []int{
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64, 128, 256, 512, 768, 1024, 1280, 1501,
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2048, 3072, 4096, 8192, 10240, 16384, 32768, 65536,
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}
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conditions := []string{}
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last := 0
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for _, boundary := range boundaries {
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conditions = append(conditions, fmt.Sprintf("PacketSize < %d, '%d-%d'",
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boundary, last, boundary-1))
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last = boundary
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}
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conditions = append(conditions, fmt.Sprintf("'%d-Inf'", last))
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return fmt.Sprintf("multiIf(%s)", strings.Join(conditions, ", "))
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}(),
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},
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{Key: ColumnForwardingStatus, ParserType: "uint", ClickHouseType: "UInt32"}, // TODO: UInt8 but hard to change, primary key
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{
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Key: ColumnSrcAddrNAT,
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Disabled: true,
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Group: ColumnGroupNAT,
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ParserType: "ip",
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ClickHouseType: "IPv6",
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ClickHouseMainOnly: true,
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ConsoleTruncateIP: true,
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},
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{
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Key: ColumnSrcPortNAT,
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Disabled: true,
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Group: ColumnGroupNAT,
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ParserType: "uint",
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ClickHouseType: "UInt16",
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ClickHouseMainOnly: true,
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},
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{Key: ColumnSrcMAC, Disabled: true, Group: ColumnGroupL2, ClickHouseType: "UInt64"},
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{Key: ColumnIPTTL, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt8"},
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{Key: ColumnIPTos, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt8"},
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{Key: ColumnIPFragmentID, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt32"},
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{Key: ColumnIPFragmentOffset, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt16"},
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{Key: ColumnIPv6FlowLabel, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt32"},
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{Key: ColumnTCPFlags, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt16"},
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{Key: ColumnICMPv4Type, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt8"},
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{Key: ColumnICMPv4Code, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt8"},
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{Key: ColumnICMPv6Type, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt8"},
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{Key: ColumnICMPv6Code, Disabled: true, Group: ColumnGroupL3L4, ParserType: "uint", ClickHouseType: "UInt8"},
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{
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Key: ColumnICMPv4,
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Depends: []ColumnKey{ColumnProto, ColumnICMPv4Type, ColumnICMPv4Code},
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Disabled: true,
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Group: ColumnGroupL3L4,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseAlias: `if(Proto = 1, ` +
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fmt.Sprintf(`dictGetOrDefault('%s', 'name', tuple(Proto, ICMPv4Type, ICMPv4Code), `, DictionaryICMP) +
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`concat(toString(ICMPv4Type), '/', toString(ICMPv4Code))), '')`,
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},
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{
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Key: ColumnICMPv6,
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Depends: []ColumnKey{ColumnProto, ColumnICMPv6Type, ColumnICMPv6Code},
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Disabled: true,
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Group: ColumnGroupL3L4,
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ParserType: "string",
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ClickHouseType: "LowCardinality(String)",
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ClickHouseAlias: `if(Proto = 58, ` +
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fmt.Sprintf(`dictGetOrDefault('%s', 'name', tuple(Proto, ICMPv6Type, ICMPv6Code), `, DictionaryICMP) +
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`concat(toString(ICMPv6Type), '/', toString(ICMPv6Code))), '')`,
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},
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{
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Key: ColumnNextHop,
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Disabled: true,
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ParserType: "ip",
|
|
ClickHouseType: "LowCardinality(IPv6)",
|
|
ClickHouseCodec: "ZSTD(1)",
|
|
},
|
|
{
|
|
Key: ColumnMPLSLabels,
|
|
Disabled: true,
|
|
ClickHouseMainOnly: true,
|
|
ClickHouseType: "Array(UInt32)",
|
|
ParserType: "array(uint)",
|
|
},
|
|
{
|
|
Key: ColumnMPLS1stLabel,
|
|
Disabled: true,
|
|
Depends: []ColumnKey{ColumnMPLSLabels},
|
|
ClickHouseMainOnly: true,
|
|
ClickHouseType: "UInt32",
|
|
ClickHouseAlias: "MPLSLabels[1]",
|
|
ParserType: "uint",
|
|
},
|
|
{
|
|
Key: ColumnMPLS2ndLabel,
|
|
Disabled: true,
|
|
Depends: []ColumnKey{ColumnMPLSLabels},
|
|
ClickHouseMainOnly: true,
|
|
ClickHouseType: "UInt32",
|
|
ClickHouseAlias: "MPLSLabels[2]",
|
|
ParserType: "uint",
|
|
},
|
|
{
|
|
Key: ColumnMPLS3rdLabel,
|
|
Disabled: true,
|
|
Depends: []ColumnKey{ColumnMPLSLabels},
|
|
ClickHouseMainOnly: true,
|
|
ClickHouseType: "UInt32",
|
|
ClickHouseAlias: "MPLSLabels[3]",
|
|
ParserType: "uint",
|
|
},
|
|
{
|
|
Key: ColumnMPLS4thLabel,
|
|
Disabled: true,
|
|
Depends: []ColumnKey{ColumnMPLSLabels},
|
|
ClickHouseMainOnly: true,
|
|
ClickHouseType: "UInt32",
|
|
ClickHouseAlias: "MPLSLabels[4]",
|
|
ParserType: "uint",
|
|
},
|
|
},
|
|
}.finalize()
|
|
}
|
|
|
|
// shouldProvideValue tells if we should send a value for this column to ClickHouse.
|
|
func (column *Column) shouldProvideValue() bool {
|
|
return (column.ClickHouseGenerateFrom == "" || column.ClickHouseSelfGenerated) &&
|
|
column.ClickHouseAlias == ""
|
|
}
|
|
|
|
func (schema Schema) finalize() Schema {
|
|
ncolumns := []Column{}
|
|
for _, column := range schema.columns {
|
|
// Add true name
|
|
name, ok := columnNameMap.LoadValue(column.Key)
|
|
if !ok {
|
|
panic(fmt.Sprintf("missing name mapping for %d", column.Key))
|
|
}
|
|
if column.Name == "" {
|
|
column.Name = name
|
|
}
|
|
|
|
// Non-main columns with an alias are NotSortingKey
|
|
if !column.ClickHouseMainOnly && column.ClickHouseAlias != "" {
|
|
column.ClickHouseNotSortingKey = true
|
|
}
|
|
|
|
// Deduplicate dependencies
|
|
slices.Sort(column.Depends)
|
|
column.Depends = slices.Compact(column.Depends)
|
|
|
|
ncolumns = append(ncolumns, column)
|
|
|
|
// Expand the schema Src → Dst and InIf → OutIf
|
|
alreadyExists := func(name string) bool {
|
|
key, _ := columnNameMap.LoadKey(name)
|
|
for _, column := range schema.columns {
|
|
if column.Key == key {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
if strings.HasPrefix(column.Name, "Src") {
|
|
column.Name = fmt.Sprintf("Dst%s", column.Name[3:])
|
|
if !alreadyExists(column.Name) {
|
|
column.Key, ok = columnNameMap.LoadKey(column.Name)
|
|
if !ok {
|
|
panic(fmt.Sprintf("missing name mapping for %q", column.Name))
|
|
}
|
|
column.ClickHouseAlias = strings.ReplaceAll(column.ClickHouseAlias, "Src", "Dst")
|
|
ncolumns = append(ncolumns, column)
|
|
}
|
|
} else if strings.HasPrefix(column.Name, "InIf") {
|
|
column.Name = fmt.Sprintf("OutIf%s", column.Name[4:])
|
|
if !alreadyExists(column.Name) {
|
|
column.Key, ok = columnNameMap.LoadKey(column.Name)
|
|
if !ok {
|
|
panic(fmt.Sprintf("missing name mapping for %q", column.Name))
|
|
}
|
|
column.ClickHouseAlias = strings.ReplaceAll(column.ClickHouseAlias, "InIf", "OutIf")
|
|
ncolumns = append(ncolumns, column)
|
|
}
|
|
}
|
|
}
|
|
schema.columns = ncolumns
|
|
|
|
// Build column index
|
|
maxKey := ColumnTimeReceived
|
|
for _, column := range schema.columns {
|
|
if column.Key > maxKey {
|
|
maxKey = column.Key
|
|
}
|
|
}
|
|
schema.columnIndex = make([]*Column, maxKey+1)
|
|
for i, column := range schema.columns {
|
|
schema.columnIndex[column.Key] = &schema.columns[i]
|
|
}
|
|
|
|
// Update disabledGroups
|
|
schema.disabledGroups = *bitset.New(uint(ColumnGroupLast))
|
|
for group := range ColumnGroupLast {
|
|
schema.disabledGroups.Set(uint(group))
|
|
for _, column := range schema.columns {
|
|
if !column.Disabled && column.Group == group {
|
|
schema.disabledGroups.Clear(uint(group))
|
|
}
|
|
}
|
|
}
|
|
|
|
return schema
|
|
}
|