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work on populate netbox inventory passively (idaholab#135): reorganiz…
…ing logstash pipeline so we have the data we need at autopopulate time
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,129 @@ | ||
| filter { | ||
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| ################################################################################################ | ||
| # Do enrichment based on NetBox lookups: | ||
| # - source.ip -> source.device and source.segment | ||
| # - destination.ip -> destination.device and destination.segment | ||
| # - TODO: source.mac -> source.device | ||
| # - TODO: destination.mac -> destination.device | ||
| # The LOGSTASH_NETBOX_ENRICHMENT environment variable is checked inside netbox_enrich.rb | ||
| # and will short-circuit unles this feature is enabled. | ||
| # | ||
| # Enrich zeek conn.log, notice.log, weird.log, signatures.log, software.log, known*.log and all non-zeek data sources | ||
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| if (([event][provider] != "zeek") or | ||
| ([event][dataset] == "conn") or | ||
| ([event][dataset] == "notice") or | ||
| ([event][dataset] == "weird") or | ||
| ([event][dataset] == "signatures") or | ||
| ([event][dataset] == "software") or | ||
| ([event][dataset] =~ /^known/)) { | ||
| if ([source][ip]) and | ||
| (([network][direction] == "internal") or ([network][direction] == "outbound")) { | ||
| ruby { | ||
| id => "ruby_netbox_enrich_source_ip_segment" | ||
| path => "/usr/share/logstash/malcolm-ruby/netbox_enrich.rb" | ||
| script_params => { | ||
| "source" => "[source][ip]" | ||
| "target" => "[source][segment]" | ||
| "lookup_type" => "ip_vrf" | ||
| "lookup_site_env" => "NETBOX_DEFAULT_SITE" | ||
| "verbose_env" => "LOGSTASH_NETBOX_ENRICHMENT_VERBOSE" | ||
| "autopopulate_env" => "LOGSTASH_NETBOX_AUTO_POPULATE" | ||
| "netbox_token_env" => "SUPERUSER_API_TOKEN" | ||
| } | ||
| } | ||
| ruby { | ||
| id => "ruby_netbox_enrich_source_ip_device" | ||
| path => "/usr/share/logstash/malcolm-ruby/netbox_enrich.rb" | ||
| script_params => { | ||
| "source" => "[source][ip]" | ||
| "target" => "[source][device]" | ||
| "lookup_type" => "ip_device" | ||
| "lookup_site_env" => "NETBOX_DEFAULT_SITE" | ||
| "lookup_service" => "false" | ||
| "verbose_env" => "LOGSTASH_NETBOX_ENRICHMENT_VERBOSE" | ||
| "netbox_token_env" => "SUPERUSER_API_TOKEN" | ||
| # these are used for autopopulation only, not lookup/enrichment | ||
| "autopopulate_env" => "LOGSTASH_NETBOX_AUTO_POPULATE" | ||
| "source_hostname" => "" | ||
| "source_oui" => "[source][oui]" | ||
| "source_segment" => "[source][segment]" | ||
| } | ||
| } | ||
| } | ||
| if ([destination][ip]) and | ||
| (([network][direction] == "internal") or ([network][direction] == "inbound")) { | ||
| ruby { | ||
| id => "ruby_netbox_enrich_destination_ip_segment" | ||
| path => "/usr/share/logstash/malcolm-ruby/netbox_enrich.rb" | ||
| script_params => { | ||
| "source" => "[destination][ip]" | ||
| "target" => "[destination][segment]" | ||
| "lookup_type" => "ip_vrf" | ||
| "lookup_site_env" => "NETBOX_DEFAULT_SITE" | ||
| "verbose_env" => "LOGSTASH_NETBOX_ENRICHMENT_VERBOSE" | ||
| "netbox_token_env" => "SUPERUSER_API_TOKEN" | ||
| } | ||
| } | ||
| ruby { | ||
| id => "ruby_netbox_enrich_destination_ip_device" | ||
| path => "/usr/share/logstash/malcolm-ruby/netbox_enrich.rb" | ||
| script_params => { | ||
| "source" => "[destination][ip]" | ||
| "target" => "[destination][device]" | ||
| "lookup_type" => "ip_device" | ||
| "lookup_site_env" => "NETBOX_DEFAULT_SITE" | ||
| "lookup_service_env" => "LOGSTASH_NETBOX_ENRICHMENT_LOOKUP_SERVICE" | ||
| "lookup_service_port_source" => "[destination][port]" | ||
| "verbose_env" => "LOGSTASH_NETBOX_ENRICHMENT_VERBOSE" | ||
| "netbox_token_env" => "SUPERUSER_API_TOKEN" | ||
| # these are used for autopopulation only, not lookup/enrichment | ||
| "autopopulate_env" => "LOGSTASH_NETBOX_AUTO_POPULATE" | ||
| "source_hostname" => "" | ||
| "source_oui" => "[destination][oui]" | ||
| "source_segment" => "[destination][segment]" | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| # collect site, role, manufacturer and device_type in "related." segment is merged as network.name in 20_enriched_to_ecs.conf | ||
| if ([source][device][site]) { mutate { id => "mutate_merge_source_device_site_related" | ||
| merge => { "[related][site]" => "[source][device][site]" } } } | ||
| if ([destination][device][site]) { mutate { id => "mutate_merge_destination_device_site_related" | ||
| merge => { "[related][site]" => "[destination][device][site]" } } } | ||
| if ([source][segment][site]) { mutate { id => "mutate_merge_source_segment_site_related" | ||
| merge => { "[related][site]" => "[source][segment][site]" } } } | ||
| if ([destination][segment][site]) { mutate { id => "mutate_merge_destination_segment_site_related" | ||
| merge => { "[related][site]" => "[destination][segment][site]" } } } | ||
| if ([source][device][role]) { mutate { id => "mutate_merge_source_device_role_related" | ||
| merge => { "[related][role]" => "[source][device][role]" } } } | ||
| if ([destination][device][role]) { mutate { id => "mutate_merge_destination_device_role_related" | ||
| merge => { "[related][role]" => "[destination][device][role]" } } } | ||
| if ([source][device][manufacturer]) { mutate { id => "mutate_merge_source_device_manufacturer_related" | ||
| merge => { "[related][manufacturer]" => "[source][device][manufacturer]" } } } | ||
| if ([destination][device][manufacturer]) { mutate { id => "mutate_merge_destination_device_manufacturer_related" | ||
| merge => { "[related][manufacturer]" => "[destination][device][manufacturer]" } } } | ||
| if ([source][device][device_type]) { mutate { id => "mutate_merge_source_device_type_related" | ||
| merge => { "[related][device_type]" => "[source][device][device_type]" } } } | ||
| if ([destination][device][device_type]) { mutate { id => "mutate_merge_destination_device_type_related" | ||
| merge => { "[related][device_type]" => "[destination][device][device_type]" } } } | ||
| if ([source][device][service]) { mutate { id => "mutate_merge_source_service_related" | ||
| merge => { "[related][service]" => "[source][device][service]" } } } | ||
| if ([destination][device][service]) { mutate { id => "mutate_merge_destination_service_related" | ||
| merge => { "[related][service]" => "[destination][device][service]" } } } | ||
| if ([source][device][name]) { mutate { id => "mutate_merge_source_device_name_related" | ||
| merge => { "[related][device_name]" => "[source][device][name]" } } } | ||
| if ([destination][device][name]) { mutate { id => "mutate_merge_destination_device_name_related" | ||
| merge => { "[related][device_name]" => "[destination][device][name]" } } } | ||
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| # network.name (based on info from [destination][segment][name] and [source][segment][name]) | ||
| if ([destination][segment][name]) { mutate { id => "mutate_add_field_ecs_network_name_resp" | ||
| merge => { "[network][name]" => "[destination][segment][name]" } } } | ||
| if ([source][segment][name]) { mutate { id => "mutate_add_field_ecs_network_name_orig" | ||
| merge => { "[network][name]" => "[source][segment][name]" } } } | ||
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| } # filter | ||
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