NETOBSERV-1890: expand TCP flags as string in FLP

Author: jotak

controllers/consoleplugin/config/static-frontend-config.yaml

@@ -815,21 +815,9 @@ filters:
   - id: tcp_flags
     name: TCP flags
     component: autocomplete
-    hint: Specify a TCP flags value as integer number.
+    hint: Specify a TCP flags value.
     examples: |-
-      Logical OR combination of unique TCP flags comprised in the flow, as per RFC-9293, with additional custom flags
-      users can specify either numeric value or string representation of the flags as follows :
-      - FIN or 1,
-      - SYN or 2,
-      - RST or 4,
-      - PSH or 8,
-      - ACK or 16,
-      - URG or 32,
-      - ECE or 64,
-      - CWR or 128,
-      - SYN_ACK or 256,
-      - FIN_ACK or 512,
-      - RST_ACK or 1024,
+      Logical OR combination of unique TCP flags comprised in the flow, as per RFC-9293, with additional custom flags (SYN_ACK, FIN_ACK and RST_ACK).
   - id: node_direction
     name: Node Direction
     component: autocomplete
@@ -1022,7 +1010,7 @@ fields:
     type: string
     description: Network interfaces
   - name: Flags
-    type: number
+    type: string
     description: |
       Logical OR combination of unique TCP flags comprised in the flow, as per RFC-9293, with additional custom flags to represent the following per-packet combinations: +
       - SYN+ACK (0x100) +

controllers/flp/flp_pipeline_builder.go

@@ -91,6 +91,13 @@ func (b *PipelineBuilder) AddProcessorStages() error {
 		{
 			Type: api.NetworkReinterpretDirection,
 		},
+		{
+			Type: api.NetworkDecodeTCPFlags,
+			DecodeTCPFlags: &api.NetworkGenericRule{
+				Input:  "Flags",
+				Output: "Flags",
+			},
+		},
 		{
 			Type: api.NetworkAddKubernetesInfra,
 			KubernetesInfra: &api.K8sInfraRule{

go.mod

@@ -88,3 +88,5 @@ require (
 )
 
 replace github.com/prometheus/common v0.55.0 => github.com/netobserv/prometheus-common v0.55.0-netobserv
+
+replace github.com/netobserv/flowlogs-pipeline => ../flowlogs-pipeline

go.sum

@@ -88,8 +88,6 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f h1:KUppIJq7/+SVif2QVs3tOP0zanoHgBEVAwHxUSIzRqU=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/netobserv/flowlogs-pipeline v1.6.1-crc0.0.20240920063618-2ea1a7ce77b8 h1:Wumfysno927/yCK8RAG/1AtTDpQQzSn9PkoGBLu2Khk=
-github.com/netobserv/flowlogs-pipeline v1.6.1-crc0.0.20240920063618-2ea1a7ce77b8/go.mod h1:VVHQK3sEL91gl6CQkrcE+RAi9vMat5gaVaZLqPDoKlQ=
 github.com/netobserv/prometheus-common v0.55.0-netobserv h1:Fapr74g0S3gRh/kTTyv9Ytm4DJJfFuUTEToiU/np9eg=
 github.com/netobserv/prometheus-common v0.55.0-netobserv/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8=
 github.com/onsi/ginkgo/v2 v2.20.2 h1:7NVCeyIWROIAheY21RLS+3j2bb52W0W82tkberYytp4=

pkg/helper/cardinality/cardinality.json

@@ -35,7 +35,7 @@
   "FlowDirection": "fine",
   "IfDirections": "fine",
   "Interfaces": "careful",
-  "Flags": "fine",
+  "Flags": "careful",
   "Bytes": "avoid",
   "Packets": "avoid",
   "PktDropBytes": "avoid",

vendor/github.com/netobserv/flowlogs-pipeline/pkg/api/transform_network.go

@@ -123,7 +123,7 @@ github.com/munnerz/goautoneg
 # github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f
 ## explicit
 github.com/mwitkow/go-conntrack
-# github.com/netobserv/flowlogs-pipeline v1.6.1-crc0.0.20240920063618-2ea1a7ce77b8
+# github.com/netobserv/flowlogs-pipeline v1.6.1-crc0.0.20240920063618-2ea1a7ce77b8 => ../flowlogs-pipeline
 ## explicit; go 1.22.3
 github.com/netobserv/flowlogs-pipeline/pkg/api
 github.com/netobserv/flowlogs-pipeline/pkg/config
@@ -901,3 +901,4 @@ sigs.k8s.io/structured-merge-diff/v4/value
 ## explicit; go 1.12
 sigs.k8s.io/yaml
 sigs.k8s.io/yaml/goyaml.v2
+# github.com/netobserv/flowlogs-pipeline => ../flowlogs-pipeline