Repository: netobserv/flowlogs-pipeline
Pull request #120 (2022-03-03 14:36:25)

Integrate components from Goflow-Kube
It integrates the following components from the old [Goflow-Kube repository](https://github.com/netobserv/goflow2-kube-enricher):

* Kube metadata enricher and Informers. There is already a Kube Enricher with its own informers but the output transformation was not the same as the Goflow-Kube payload. In later PRs we can work on merging both and/or adapting the dependant services to the new format.
* End-to-End pipeline test directly taken from Goflow-Kube to verify the compatiblity of the output messages.
* Some changes done to the API to improve testability of the code.


Patch:
diff --git a/docs/api.md b/docs/api.md
index 7c70ee97..372ac9e7 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -42,6 +42,7 @@ Following is the supported API format for the netflow collector:
  collector:
          hostName: the hostname to listen on
          port: the port number to listen on
+         batchMaxLen: the number of accumulated flows before being forwarded for processing
 </pre>
 ## Ingest Kafka API
 Following is the supported API format for the kafka ingest:
diff --git a/go.mod b/go.mod
index 73acb93d..a41e66ce 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,7 @@ go 1.17
 require (
 	github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible
 	github.com/go-kit/kit v0.12.0
+	github.com/golang/snappy v0.0.3
 	github.com/heptiolabs/healthcheck v0.0.0-20211123025425-613501dd5deb
 	github.com/ip2location/ip2location-go/v9 v9.2.0
 	github.com/json-iterator/go v1.1.12
@@ -20,6 +21,7 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.10.1
 	github.com/stretchr/testify v1.7.0
+	github.com/vmware/go-ipfix v0.5.12
 	golang.org/x/net v0.0.0-20220225172249-27dd8689420f
 	google.golang.org/protobuf v1.27.1
 	gopkg.in/yaml.v2 v2.4.0
@@ -39,7 +41,6 @@ require (
 	github.com/go-logr/logr v1.2.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/golang/snappy v0.0.3 // indirect
 	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/google/gofuzz v1.1.0 // indirect
 	github.com/googleapis/gnostic v0.5.5 // indirect
@@ -50,7 +51,7 @@ require (
 	github.com/klauspost/compress v1.13.6 // indirect
 	github.com/libp2p/go-reuseport v0.0.2 // indirect
 	github.com/magiconair/properties v1.8.5 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect
diff --git a/go.sum b/go.sum
index 4e31d9c0..495af220 100644
--- a/go.sum
+++ b/go.sum
@@ -38,6 +38,7 @@ cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM7
 cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/firestore v1.6.1/go.mod h1:asNXNOzBdyVQmEU+ggO8UPodTkEVFW5Qx+rwHnAz+EY=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
@@ -56,6 +57,7 @@ github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSW
 github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
 github.com/Azure/go-autorest/autorest v0.9.6/go.mod h1:/FALq9T/kS7b5J5qsQ+RSTUdAmGFqi0vUdVNNx8q630=
 github.com/Azure/go-autorest/autorest v0.11.10/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
+github.com/Azure/go-autorest/autorest v0.11.12/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
 github.com/Azure/go-autorest/autorest v0.11.18/go.mod h1:dSiJPy22c3u0OtOKDNttNgqpNFY/GeWa7GH/Pz56QRA=
 github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
 github.com/Azure/go-autorest/autorest/adal v0.8.2/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
@@ -91,6 +93,7 @@ github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbt
 github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
+github.com/Shopify/sarama v1.27.2/go.mod h1:g5s5osgELxgM+Md9Qni9rzo7Rbt+vvFQI4bt/Mc93II=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
@@ -125,6 +128,7 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
 github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ=
 github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
@@ -159,21 +163,28 @@ github.com/cncf/xds/go v0.0.0-20211130200136-a8f946100490/go.mod h1:eXthEFrGJvWH
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/containerd/containerd v1.3.4/go.mod h1:bC6axHOhabU15QhwfG7w5PipXdVtMXFTttgp+kVtyUA=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/dave/jennifer v1.2.0/go.mod h1:fIb+770HOpJ2fmN9EPPKOqm1vMGhB+TwXKMZhrIygKg=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-bitstream v0.0.0-20180413035011-3522498ce2c8/go.mod h1:VMaSuZ+SZcx/wljOQKvp5srsbCiKDEb6K2wC4+PiBmQ=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dgryski/go-sip13 v0.0.0-20200911182023-62edffca9245/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/digitalocean/godo v1.46.0/go.mod h1:p7dOjjtSBqCTUksqtA5Fd3uaKs9kyTq2xcz76ulEJRU=
 github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
@@ -185,6 +196,7 @@ github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZ
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
+github.com/eapache/go-resiliency v1.2.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21 h1:YEetp8/yCZMuEPMUDHG0CW/brkkEp8mzqk2+ODEitlw=
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
@@ -212,8 +224,10 @@ github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYF
 github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
 github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/form3tech-oss/jwt-go v3.2.3+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
+github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
 github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
 github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20=
+github.com/frankban/quicktest v1.10.2/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
 github.com/frankban/quicktest v1.11.3 h1:8sXhOn0uLys67V8EsXLc6eszDs8VXWxL3iRvebPhedY=
 github.com/frankban/quicktest v1.11.3/go.mod h1:wRf/ReqHper53s+kmmSZizM8NamnL3IM0I9ntUbOk+k=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@@ -245,6 +259,7 @@ github.com/go-logfmt/logfmt v0.5.1 h1:otpy5pqBCBZ1ng9RQ0dPu4PN7ba75Y/aA+UpowDyNV
 github.com/go-logfmt/logfmt v0.5.1/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
 github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
 github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
+github.com/go-logr/logr v0.4.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
 github.com/go-logr/logr v1.2.0 h1:QK40JKJyMdUDz+h+xvCsru/bJhvG0UxvePV0ufL/AcE=
 github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-openapi/analysis v0.0.0-20180825180245-b006789cd277/go.mod h1:k70tL6pCuVxPJOHXQ+wIac1FUrvNkHolPie/cLEU6hI=
@@ -346,6 +361,7 @@ github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGw
 github.com/golang/geo v0.0.0-20190916061304-5b978397cfec/go.mod h1:QZ0nwyI2jOfgRAoBvP+ab5aRr7c9x7lhGEJrKvBwjWI=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -444,14 +460,18 @@ github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB7
 github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:FecbI9+v66THATjSRHfNgh1IVFe/9kFxbXtjV0ctIMA=
+github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
+github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/grpc-ecosystem/grpc-gateway v1.15.0/go.mod h1:vO11I9oWA+KsxmfFQPhLnnIb1VDE24M+pdxZFiuZcA8=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
+github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
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@@ -476,6 +496,7 @@ github.com/hashicorp/go-sockaddr v1.0.2/go.mod h1:rB4wwRAUzs07qva3c5SdrY/NEtAUjG
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@@ -517,6 +538,7 @@ github.com/influxdata/tdigest v0.0.0-20181121200506-bf2b5ad3c0a9/go.mod h1:Js0mq
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@@ -550,6 +572,7 @@ github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+o
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@@ -577,6 +600,7 @@ github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-b
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@@ -604,8 +628,9 @@ github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzp
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@@ -624,6 +649,7 @@ github.com/mitchellh/mapstructure v1.2.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RR
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@@ -697,6 +723,7 @@ github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FI
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@@ -706,8 +733,14 @@ github.com/peterh/liner v1.0.1-0.20180619022028-8c1271fcf47f/go.mod h1:xIteQHvHu
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@@ -722,6 +755,7 @@ github.com/posener/complete v1.2.3/go.mod h1:WZIdtGGp+qx0sLrYKtIRAruyNpv6hFCicSg
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@@ -738,7 +772,9 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
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@@ -752,16 +788,20 @@ github.com/prometheus/common v0.32.1 h1:hWIdL3N2HoUx3B8j3YN9mWor0qhY/NlEKZEaXxuI
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@@ -799,6 +839,7 @@ github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9
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@@ -807,8 +848,10 @@ github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
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 github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
+github.com/spf13/cobra v1.1.1/go.mod h1:WnodtKOvamDL/PwE2M4iKs8aMDBZ5Q5klgD3qfVJQMI=
 github.com/spf13/cobra v1.3.0 h1:R7cSvGu+Vv+qX0gW5R/85dx2kmmJT5z5NM8ifdYjdn0=
 github.com/spf13/cobra v1.3.0/go.mod h1:BrRVncBjOJa/eUcVVm9CE+oC6as8k+VYr4NY7WCi9V4=
+github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
 github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk=
 github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
@@ -816,6 +859,7 @@ github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnIn
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/spf13/viper v1.10.0/go.mod h1:SoyBPwAtKDzypXNDFKN5kzH7ppppbGZtls1UpIy5AsM=
 github.com/spf13/viper v1.10.1 h1:nuJZuYpG7gTj/XqiUwg8bA0cp1+M2mC3J4g5luUYBKk=
 github.com/spf13/viper v1.10.1/go.mod h1:IGlFPqhNAPKRxohIzWpI5QEy4kuI7tcl5WvR+8qy1rU=
@@ -840,12 +884,15 @@ github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
 github.com/tinylib/msgp v1.0.2/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
+github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
 github.com/uber/jaeger-client-go v2.25.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMWRy2pZqQJSXxYSwNYOkTr/Z6d3Kk=
 github.com/uber/jaeger-lib v2.4.0+incompatible/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw=
+github.com/vmware/go-ipfix v0.5.12 h1:mqQknlvnvDY25apPNy9c27ri3FMDFIhzvO68Kk5Qp58=
+github.com/vmware/go-ipfix v0.5.12/go.mod h1:yzbG1rv+yJ8GeMrRm+MDhOV3akygNZUHLhC1pDoD2AY=
 github.com/willf/bitset v1.1.3/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c h1:u40Z8hqBAAQyv+vATcGgV0YCnDjqSL7/q/JyPhhJSPk=
 github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhemzwFU4jHLhdvlE6uDZjXFejJXr49I=
@@ -860,6 +907,7 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
 go.etcd.io/etcd/api/v3 v3.5.1/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
@@ -881,6 +929,7 @@ go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
+go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
@@ -913,7 +962,9 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20191202143827-86a70503ff7e/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20210915214749-c084706c2272 h1:3erb+vDS8lU1sxfDHF4/hhWyaXnhIaO+7RgL4fDZORA=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -997,12 +1048,14 @@ golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200904194848-62affa334b73/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
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 golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210224082022-3d97a244fca7/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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 golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
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@@ -1105,6 +1158,7 @@ golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200622214017-ed371f2e16b4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -1114,6 +1168,7 @@ golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210303074136-134d130e1a04/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -1140,7 +1195,9 @@ golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211205182925-97ca703d548d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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+golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
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+golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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@@ -1159,6 +1216,7 @@ golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac h1:7zkz7BUtwNFFqcowJ+RIgu2MaV/MapERkDIy+mwPyjs=
 golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -1186,6 +1244,7 @@ golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190617190820-da514acc4774/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20190624222133-a101b041ded4/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
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@@ -1194,6 +1253,7 @@ golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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+golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -1417,8 +1477,9 @@ gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLks
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b h1:QRR6H1YWRnHb4Y/HeNFCTJLFVxaq6wH4YuVdsUOr75U=
+gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
@@ -1426,8 +1487,14 @@ gopkg.in/fsnotify/fsnotify.v1 v1.4.7/go.mod h1:Fyux9zXlo4rWoMSIzpn9fDAYjalPqJ/K1
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
+gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.66.2 h1:XfR1dOYubytKy4Shzc2LHrrGhU0lDCfDGG1yLPmpgsI=
 gopkg.in/ini.v1 v1.66.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/jcmturner/aescts.v1 v1.0.1/go.mod h1:nsR8qBOg+OucoIW+WMhB3GspUQXq9XorLnQb9XtvcOo=
+gopkg.in/jcmturner/dnsutils.v1 v1.0.1/go.mod h1:m3v+5svpVOhtFAP/wSz+yzh4Mc0Fg7eRhxkJMWSIz9Q=
+gopkg.in/jcmturner/goidentity.v3 v3.0.0/go.mod h1:oG2kH0IvSYNIu80dVAyu/yoefjq1mNfM5bm88whjWx4=
+gopkg.in/jcmturner/gokrb5.v7 v7.5.0/go.mod h1:l8VISx+WGYp+Fp7KRbsiUuXTTOnxIc3Tuvyavf11/WM=
+gopkg.in/jcmturner/rpc.v1 v1.1.0/go.mod h1:YIdkC4XfD6GXbzje11McwsDuOlZQSb9W4vfLvuNnlv8=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
@@ -1447,6 +1514,8 @@ gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
+gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
+gotest.tools/v3 v3.0.3/go.mod h1:Z7Lb0S5l+klDB31fvDQX8ss/FlKDxtlFlw3Oa8Ymbl8=
 honnef.co/go/netdb v0.0.0-20210921115105-e902e863d85d h1:yjDpoTxoYVpCt04OYp8zlZsKtrEOK1O4U7l2aWbn3D8=
 honnef.co/go/netdb v0.0.0-20210921115105-e902e863d85d/go.mod h1:rbNo0ST5hSazCG4rGfpHrwnwvzP1QX62WbhzD+ghGzs=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -1458,26 +1527,33 @@ honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 k8s.io/api v0.19.2/go.mod h1:IQpK0zFQ1xc5iNIQPqzgoOwuFugaYHK4iCknlAQP9nI=
+k8s.io/api v0.21.0/go.mod h1:+YbrhBBGgsxbF6o6Kj4KJPJnBmAKuXDeS3E18bgHNVU=
 k8s.io/api v0.23.4 h1:85gnfXQOWbJa1SiWGpE9EEtHs0UVvDyIsSMpEtl2D4E=
 k8s.io/api v0.23.4/go.mod h1:i77F4JfyNNrhOjZF7OwwNJS5Y1S9dpwvb9iYRYRczfI=
 k8s.io/apimachinery v0.19.2/go.mod h1:DnPGDnARWFvYa3pMHgSxtbZb7gpzzAZ1pTfaUNDVlmA=
+k8s.io/apimachinery v0.21.0/go.mod h1:jbreFvJo3ov9rj7eWT7+sYiRx+qZuCYXwWT1bcDswPY=
 k8s.io/apimachinery v0.23.4 h1:fhnuMd/xUL3Cjfl64j5ULKZ1/J9n8NuQEgNL+WXWfdM=
 k8s.io/apimachinery v0.23.4/go.mod h1:BEuFMMBaIbcOqVIJqNZJXGFTP4W6AycEpb5+m/97hrM=
 k8s.io/client-go v0.19.2/go.mod h1:S5wPhCqyDNAlzM9CnEdgTGV4OqhsW3jGO1UM1epwfJA=
+k8s.io/client-go v0.21.0/go.mod h1:nNBytTF9qPFDEhoqgEPaarobC8QPae13bElIVHzIglA=
 k8s.io/client-go v0.23.4 h1:YVWvPeerA2gpUudLelvsolzH7c2sFoXXR5wM/sWqNFU=
 k8s.io/client-go v0.23.4/go.mod h1:PKnIL4pqLuvYUK1WU7RLTMYKPiIh7MYShLshtRY9cj0=
+k8s.io/component-base v0.21.0/go.mod h1:qvtjz6X0USWXbgmbfXR+Agik4RZ3jv2Bgr5QnZzdPYw=
 k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
 k8s.io/gengo v0.0.0-20210813121822-485abfe95c7c/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAEV2be7d5xI0vBa/VySYy3E=
 k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
 k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
 k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
 k8s.io/klog/v2 v2.3.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
+k8s.io/klog/v2 v2.8.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec=
 k8s.io/klog/v2 v2.30.0 h1:bUO6drIvCIsvZ/XFgfxoGFQU/a4Qkh0iAlvUR7vlHJw=
 k8s.io/klog/v2 v2.30.0/go.mod h1:y1WjHnz7Dj687irZUWR/WLkLc5N1YHtjLdmgWjndZn0=
 k8s.io/kube-openapi v0.0.0-20200805222855-6aeccd4b50c6/go.mod h1:UuqjUnNftUyPE5H64/qeyjQoUZhGpeFDVdxjTeEVN2o=
+k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7/go.mod h1:wXW5VT87nVfh/iLV8FpR2uDvrFyomxbtb1KivDbvPTE=
 k8s.io/kube-openapi v0.0.0-20211115234752-e816edb12b65 h1:E3J9oCLlaobFUqsjG9DfKbP2BmgwBL2p7pn0A3dG9W4=
 k8s.io/kube-openapi v0.0.0-20211115234752-e816edb12b65/go.mod h1:sX9MT8g7NVZM5lVL/j8QyCCJe8YSMW30QvGZWaCIDIk=
 k8s.io/utils v0.0.0-20200729134348-d5654de09c73/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
+k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 k8s.io/utils v0.0.0-20210802155522-efc7438f0176/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 k8s.io/utils v0.0.0-20211116205334-6203023598ed h1:ck1fRPWPJWsMd8ZRFsWc6mh/zHp5fZ/shhbrgPUxDAE=
 k8s.io/utils v0.0.0-20211116205334-6203023598ed/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
@@ -1489,6 +1565,7 @@ sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6 h1:fD1pz4yfdADVNfFmcP2aBEtud
 sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6/go.mod h1:p4QtZmO4uMYipTQNzagwnNoseA6OxSUutVw05NhYDRs=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.1/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
+sigs.k8s.io/structured-merge-diff/v4 v4.1.0/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/structured-merge-diff/v4 v4.2.1 h1:bKCqE9GvQ5tiVHn5rfn1r+yao3aLQEaLzkkmAkf+A6Y=
 sigs.k8s.io/structured-merge-diff/v4 v4.2.1/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
diff --git a/pkg/api/ingest_collector.go b/pkg/api/ingest_collector.go
index fbcc37e2..8c05a6cd 100644
--- a/pkg/api/ingest_collector.go
+++ b/pkg/api/ingest_collector.go
@@ -18,6 +18,7 @@
 package api
 
 type IngestCollector struct {
-	HostName string `yaml:"hostName" doc:"the hostname to listen on"`
-	Port     int    `yaml:"port" doc:"the port number to listen on"`
+	HostName    string `yaml:"hostName" doc:"the hostname to listen on"`
+	Port        int    `yaml:"port" doc:"the port number to listen on"`
+	BatchMaxLen int    `yaml:"batchMaxLen" doc:"the number of accumulated flows before being forwarded for processing"`
 }
diff --git a/pkg/pipeline/ingest/ingest_collector.go b/pkg/pipeline/ingest/ingest_collector.go
index 790a5ae6..2dbdac45 100644
--- a/pkg/pipeline/ingest/ingest_collector.go
+++ b/pkg/pipeline/ingest/ingest_collector.go
@@ -25,10 +25,9 @@ import (
 	"net"
 	"time"
 
+	ms "github.com/mitchellh/mapstructure"
 	"github.com/netobserv/flowlogs-pipeline/pkg/config"
 	pUtils "github.com/netobserv/flowlogs-pipeline/pkg/pipeline/utils"
-
-	ms "github.com/mitchellh/mapstructure"
 	goflowFormat "github.com/netsampler/goflow2/format"
 	goflowCommonFormat "github.com/netsampler/goflow2/format/common"
 	_ "github.com/netsampler/goflow2/format/protobuf"
@@ -38,14 +37,19 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
-const channelSize = 1000
-const batchMaxTimeInMilliSecs = 1000
+const (
+	channelSize           = 1000
+	defaultBatchFlushTime = time.Second
+	defaultBatchMaxLength = 500
+)
 
 type ingestCollector struct {
-	hostname string
-	port     int
-	in       chan map[string]interface{}
-	exitChan chan bool
+	hostname       string
+	port           int
+	in             chan map[string]interface{}
+	batchFlushTime time.Duration
+	batchMaxLength int
+	exitChan       chan bool
 }
 
 // TransportWrapper is an implementation of the goflow2 transport interface
@@ -104,11 +108,11 @@ func (ingestC *ingestCollector) Ingest(out chan<- []interface{}) {
 
 func (ingestC *ingestCollector) initCollectorListener(ctx context.Context) {
 	transporter := NewWrapper(ingestC.in)
+	formatter, err := goflowFormat.FindFormat(ctx, "pb")
+	if err != nil {
+		log.Fatal(err)
+	}
 	go func() {
-		formatter, err := goflowFormat.FindFormat(ctx, "pb")
-		if err != nil {
-			log.Fatal(err)
-		}
 		sNF := &utils.StateNetFlow{
 			Format:    formatter,
 			Transport: transporter,
@@ -122,10 +126,6 @@ func (ingestC *ingestCollector) initCollectorListener(ctx context.Context) {
 	}()
 
 	go func() {
-		formatter, err := goflowFormat.FindFormat(ctx, "pb")
-		if err != nil {
-			log.Fatal(err)
-		}
 		sLegacyNF := &utils.StateNFLegacy{
 			Format:    formatter,
 			Transport: transporter,
@@ -141,21 +141,31 @@ func (ingestC *ingestCollector) initCollectorListener(ctx context.Context) {
 
 func (ingestC *ingestCollector) processLogLines(out chan<- []interface{}) {
 	var records []interface{}
+	// Maximum batch time for each batch
+	flushRecords := time.NewTicker(ingestC.batchFlushTime)
+	defer flushRecords.Stop()
 	for {
 		select {
 		case <-ingestC.exitChan:
 			log.Debugf("exiting ingestCollector because of signal")
 			return
 		case record := <-ingestC.in:
+			// TODO: for efficiency, consider forwarding directly as map,
+			// as this is reverted back from string to map in later pipeline stages
 			recordAsBytes, _ := json.Marshal(record)
 			records = append(records, string(recordAsBytes))
-		case <-time.After(time.Millisecond * batchMaxTimeInMilliSecs): // Maximum batch time for each batch
+			if len(records) >= ingestC.batchMaxLength {
+				log.Debugf("ingestCollector sending %d entries", len(records))
+				out <- records
+				records = []interface{}{}
+			}
+		case <-flushRecords.C:
 			// Process batch of records (if not empty)
 			if len(records) > 0 {
 				log.Debugf("ingestCollector sending %d entries", len(records))
 				out <- records
+				records = []interface{}{}
 			}
-			records = []interface{}{}
 		}
 	}
 }
@@ -177,9 +187,16 @@ func NewIngestCollector(params config.StageParam) (Ingester, error) {
 	ch := make(chan bool, 1)
 	pUtils.RegisterExitChannel(ch)
 
+	bml := defaultBatchMaxLength
+	if jsonIngestCollector.BatchMaxLen != 0 {
+		bml = jsonIngestCollector.BatchMaxLen
+	}
+
 	return &ingestCollector{
-		hostname: jsonIngestCollector.HostName,
-		port:     jsonIngestCollector.Port,
-		exitChan: ch,
+		hostname:       jsonIngestCollector.HostName,
+		port:           jsonIngestCollector.Port,
+		exitChan:       ch,
+		batchFlushTime: defaultBatchFlushTime,
+		batchMaxLength: bml,
 	}, nil
 }
diff --git a/pkg/pipeline/pipeline.go b/pkg/pipeline/pipeline.go
index 51d17479..b2c52508 100644
--- a/pkg/pipeline/pipeline.go
+++ b/pkg/pipeline/pipeline.go
@@ -55,7 +55,11 @@ func NewPipeline() (*Pipeline, error) {
 	configParams := config.Parameters
 	log.Debugf("configParams = %v ", configParams)
 
-	return newBuilder(configParams, stages).build()
+	build := newBuilder(configParams, stages)
+	if err := build.readStages(); err != nil {
+		return nil, err
+	}
+	return build.build()
 }
 
 func (p *Pipeline) Run() {
diff --git a/pkg/pipeline/pipeline_builder.go b/pkg/pipeline/pipeline_builder.go
index 16a76ccc..8518f9fd 100644
--- a/pkg/pipeline/pipeline_builder.go
+++ b/pkg/pipeline/pipeline_builder.go
@@ -89,11 +89,8 @@ func (b *builder) readStages() error {
 }
 
 // reads the configured Go stages and connects between them
+// readStages must be invoked before this
 func (b *builder) build() (*Pipeline, error) {
-	if err := b.readStages(); err != nil {
-		return nil, err
-	}
-
 	for _, connection := range b.configStages {
 		if connection.Name == "" || connection.Follows == "" {
 			// ignore entries that do not represent a connection
@@ -104,7 +101,7 @@ func (b *builder) build() (*Pipeline, error) {
 		if !ok {
 			return nil, fmt.Errorf("unknown pipeline stage: %s", connection.Name)
 		}
-		dstNode, err := b.getStageNode(dstEntry)
+		dstNode, err := b.getStageNode(dstEntry, connection.Name)
 		if err != nil {
 			return nil, err
 		}
@@ -118,14 +115,14 @@ func (b *builder) build() (*Pipeline, error) {
 		if !ok {
 			return nil, fmt.Errorf("unknown pipeline stage: %s", connection.Follows)
 		}
-		srcNode, err := b.getStageNode(srcEntry)
+		srcNode, err := b.getStageNode(srcEntry, connection.Follows)
 		if err != nil {
 			return nil, err
 		}
 		src, ok := srcNode.(node.Sender)
 		if !ok {
 			return nil, fmt.Errorf("stage %q of type %q can't send data",
-				connection.Name, dstEntry.stageType)
+				connection.Follows, srcEntry.stageType)
 		}
 		log.Debugf("connecting stages: %s --> %s", connection.Follows, connection.Name)
 
@@ -158,8 +155,8 @@ func (b *builder) build() (*Pipeline, error) {
 	}, nil
 }
 
-func (b *builder) getStageNode(pe *pipelineEntry) (interface{}, error) {
-	if stg, ok := b.createdStages[pe.configStage.Name]; ok {
+func (b *builder) getStageNode(pe *pipelineEntry, stageID string) (interface{}, error) {
+	if stg, ok := b.createdStages[stageID]; ok {
 		return stg, nil
 	}
 	var stage interface{}
@@ -205,7 +202,7 @@ func (b *builder) getStageNode(pe *pipelineEntry) (interface{}, error) {
 	default:
 		return nil, fmt.Errorf("invalid stage type: %s", pe.stageType)
 	}
-	b.createdStages[pe.configStage.Name] = stage
+	b.createdStages[stageID] = stage
 	return stage, nil
 }
 
diff --git a/pkg/pipeline/transform/kubernetes/kubernetes.go b/pkg/pipeline/transform/kubernetes/kubernetes.go
index 0af89fcc..e326641d 100644
--- a/pkg/pipeline/transform/kubernetes/kubernetes.go
+++ b/pkg/pipeline/transform/kubernetes/kubernetes.go
@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"net"
 	"os"
+	"path"
 	"time"
 
 	log "github.com/sirupsen/logrus"
@@ -202,36 +203,13 @@ func (k *KubeData) NewReplicaSetInformer(informerFactory informers.SharedInforme
 }
 
 func (k *KubeData) InitFromConfig(kubeConfigPath string) error {
-	var config *rest.Config
-	var err error
-
 	// Initialization variables
 	k.stopChan = make(chan struct{})
 	k.ipInformers = map[string]cache.SharedIndexInformer{}
 
-	if kubeConfigPath != "" {
-		config, err = clientcmd.BuildConfigFromFlags("", kubeConfigPath)
-		if err != nil {
-			return fmt.Errorf("can't build config from %s", kubeConfigPath)
-		}
-	} else {
-		kubeConfigPath = os.Getenv(kubeConfigEnvVariable)
-		if kubeConfigPath != "" {
-			config, err = clientcmd.BuildConfigFromFlags("", kubeConfigPath)
-			if err != nil {
-				return fmt.Errorf("can't build config from %s", kubeConfigPath)
-			}
-		} else {
-			homeDir, _ := os.UserHomeDir()
-			config, err = clientcmd.BuildConfigFromFlags("", homeDir+"/.kube/config")
-			if err != nil {
-				// creates the in-cluster config
-				config, err = rest.InClusterConfig()
-				if err != nil {
-					return fmt.Errorf("can't access kubenetes. Tried using config from: config parameter, %s env, homedir and InClusterConfig", kubeConfigEnvVariable)
-				}
-			}
-		}
+	config, err := LoadConfig(kubeConfigPath)
+	if err != nil {
+		return err
 	}
 
 	kubeClient, err := kubernetes.NewForConfig(config)
@@ -247,6 +225,33 @@ func (k *KubeData) InitFromConfig(kubeConfigPath string) error {
 	return nil
 }
 
+func LoadConfig(kubeConfigPath string) (*rest.Config, error) {
+	// if no config path is provided, load it from the env variable
+	if kubeConfigPath == "" {
+		kubeConfigPath = os.Getenv(kubeConfigEnvVariable)
+	}
+	// otherwise, load it from the $HOME/.kube/config file
+	if kubeConfigPath == "" {
+		homeDir, err := os.UserHomeDir()
+		if err != nil {
+			return nil, fmt.Errorf("can't get user home dir: %w", err)
+		}
+		kubeConfigPath = path.Join(homeDir, ".kube", "config")
+	}
+	config, err := clientcmd.BuildConfigFromFlags("", kubeConfigPath)
+	if err == nil {
+		return config, nil
+	}
+	// fallback: use in-cluster config
+	config, err = rest.InClusterConfig()
+	if err != nil {
+		return nil, fmt.Errorf("can't access kubenetes. Tried using config from: "+
+			"config parameter, %s env, homedir and InClusterConfig. Got: %w",
+			kubeConfigEnvVariable, err)
+	}
+	return config, nil
+}
+
 func (k *KubeData) initInformers(client kubernetes.Interface) error {
 	informerFactory := informers.NewSharedInformerFactory(client, syncTime)
 	err := k.NewNodeInformer(informerFactory)


Test patch:
diff --git a/pkg/pipeline/ingest/ingest_collector_test.go b/pkg/pipeline/ingest/ingest_collector_test.go
new file mode 100644
index 00000000..d8b16dc1
--- /dev/null
+++ b/pkg/pipeline/ingest/ingest_collector_test.go
@@ -0,0 +1,62 @@
+package ingest
+
+import (
+	"encoding/json"
+	"testing"
+	"time"
+
+	"github.com/netobserv/flowlogs-pipeline/pkg/test"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+const timeout = 5 * time.Second
+
+func TestIngest(t *testing.T) {
+	collectorPort, err := test.UDPPort()
+	require.NoError(t, err)
+	ic := &ingestCollector{
+		hostname:       "0.0.0.0",
+		port:           collectorPort,
+		batchFlushTime: 10 * time.Millisecond,
+		exitChan:       make(chan bool),
+	}
+	forwarded := make(chan []interface{})
+	//defer close(forwarded)
+
+	// GIVEN an IPFIX collector Ingester
+	go ic.Ingest(forwarded)
+
+	client, err := test.NewIPFIXClient(collectorPort)
+	require.NoError(t, err)
+
+	received := waitForFlows(t, client, forwarded)
+	require.NotEmpty(t, received)
+	require.IsType(t, "string", received[0])
+	flow := map[string]interface{}{}
+	require.NoError(t, json.Unmarshal([]byte(received[0].(string)), &flow))
+	assert.EqualValues(t, 12345678, flow["TimeFlowStart"])
+	assert.EqualValues(t, 12345678, flow["TimeFlowEnd"])
+	assert.Equal(t, "1.2.3.4", flow["SrcAddr"])
+}
+
+// The IPFIX client might send information before the Ingester is actually listening,
+// so we might need to repeat the submission until the ingest starts forwarding logs
+func waitForFlows(t *testing.T, client *test.IPFIXClient, forwarded chan []interface{}) []interface{} {
+	var start = time.Now()
+	for {
+		if client.SendTemplate() == nil &&
+			client.SendFlow(12345678, "1.2.3.4") == nil {
+			select {
+			case received := <-forwarded:
+				return received
+			default:
+				// nothing yet received
+			}
+		}
+		if time.Since(start) > timeout {
+			require.Fail(t, "error waiting for ingester to forward received data")
+		}
+		time.After(50 * time.Millisecond)
+	}
+}
diff --git a/pkg/pipeline/write/write_loki_test.go b/pkg/pipeline/write/write_loki_test.go
index 28af8f10..696d8a35 100644
--- a/pkg/pipeline/write/write_loki_test.go
+++ b/pkg/pipeline/write/write_loki_test.go
@@ -20,18 +20,20 @@ package write
 import (
 	"encoding/json"
 	"fmt"
+	"net/http/httptest"
 	"testing"
 	"time"
 
 	"github.com/netobserv/flowlogs-pipeline/pkg/config"
 	"github.com/netobserv/flowlogs-pipeline/pkg/test"
-
 	"github.com/prometheus/common/model"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
 )
 
+const timeout = 5 * time.Second
+
 type fakeEmitter struct {
 	mock.Mock
 }
@@ -250,3 +252,32 @@ parameters:
 		"ba_z": "isBaz",
 	}, mock.Anything, mock.Anything)
 }
+
+func TestHTTPInvocations(t *testing.T) {
+	lokiFlows := make(chan map[string]interface{}, 256)
+	fakeLoki := httptest.NewServer(test.FakeLokiHandler(lokiFlows))
+
+	var yamlConfig = fmt.Sprintf(`
+log-level: debug
+pipeline:
+  - name: write1
+parameters:
+  - name: write1
+    write:
+      type: loki
+      loki:
+        url: %s
+`, fakeLoki.URL)
+	test.InitConfig(t, yamlConfig)
+	loki, err := NewWriteLoki(config.Parameters[0])
+	require.NoError(t, err)
+
+	require.NoError(t, loki.ProcessRecord(map[string]interface{}{"foo": "bar", "baz": "bae"}))
+
+	select {
+	case flow := <-lokiFlows:
+		assert.Equal(t, map[string]interface{}{"foo": "bar", "baz": "bae"}, flow)
+	case <-time.After(timeout):
+		require.Fail(t, "timeout while waiting for LokiWriter to forward data")
+	}
+}
diff --git a/pkg/test/ipfix.go b/pkg/test/ipfix.go
new file mode 100644
index 00000000..9610b8ea
--- /dev/null
+++ b/pkg/test/ipfix.go
@@ -0,0 +1,114 @@
+package test
+
+import (
+	"fmt"
+	"net"
+	"time"
+
+	"github.com/vmware/go-ipfix/pkg/entities"
+)
+
+const (
+	templateID          = 256
+	observationDomainID = 1
+)
+
+// Values taken from https://www.iana.org/assignments/ipfix/ipfix.xhtml
+var (
+	sourceIPv4Address = entities.NewInfoElement("sourceIPv4Address", 8, entities.Ipv4Address, 0, 4)
+	flowStartSeconds  = entities.NewInfoElement("flowStartSeconds", 150, entities.DateTimeSeconds, 0, 4)
+	flowEndSeconds    = entities.NewInfoElement("flowEndSeconds", 151, entities.DateTimeSeconds, 0, 4)
+)
+
+// IPFIXClient for IPFIX tests
+type IPFIXClient struct {
+	conn net.Conn
+}
+
+// NewIPFIXClient returns an IPFIXClient that sends data to the given port
+func NewIPFIXClient(port int) (*IPFIXClient, error) {
+	conn, err := net.Dial("udp", fmt.Sprintf(":%d", port))
+	if err != nil {
+		return nil, fmt.Errorf("can't open UDP connection on port %d :%w",
+			port, err)
+	}
+	return &IPFIXClient{
+		conn: conn,
+	}, nil
+}
+
+// SendTemplate must be executed before sending any flow
+func (ke *IPFIXClient) SendTemplate() error {
+	// TODO: add more fields
+	templateElements := []entities.InfoElementWithValue{
+		entities.NewIPAddressInfoElement(sourceIPv4Address, nil),
+		entities.NewDateTimeSecondsInfoElement(flowStartSeconds, 0),
+		entities.NewDateTimeSecondsInfoElement(flowEndSeconds, 0),
+	}
+	set := entities.NewSet(false)
+	if err := set.PrepareSet(entities.Template, templateID); err != nil {
+		return err
+	}
+	if err := set.AddRecord(templateElements, templateID); err != nil {
+		return nil
+	}
+	set.UpdateLenInHeader()
+	return ke.sendMessage(set)
+}
+
+// SendFlow containing the information passed as an argument
+func (ke *IPFIXClient) SendFlow(timestamp uint32, srcIP string) error {
+	// TODO: add more fields
+	templateElements := []entities.InfoElementWithValue{
+		entities.NewIPAddressInfoElement(sourceIPv4Address, net.ParseIP(srcIP)),
+		entities.NewDateTimeSecondsInfoElement(flowStartSeconds, timestamp),
+		entities.NewDateTimeSecondsInfoElement(flowEndSeconds, timestamp),
+	}
+	set := entities.NewSet(false)
+	if err := set.PrepareSet(entities.Data, templateID); err != nil {
+		return err
+	}
+	if err := set.AddRecord(templateElements, templateID); err != nil {
+		return nil
+	}
+	set.UpdateLenInHeader()
+	return ke.sendMessage(set)
+}
+
+func (ke *IPFIXClient) sendMessage(set entities.Set) error {
+	msg := entities.NewMessage(false)
+	msg.SetVersion(10)
+	msg.AddSet(set)
+	msgLen := entities.MsgHeaderLength + set.GetSetLength()
+	msg.SetVersion(10)
+	msg.SetObsDomainID(observationDomainID)
+	msg.SetMessageLen(uint16(msgLen))
+	msg.SetExportTime(uint32(time.Now().Unix()))
+	msg.SetSequenceNum(0)
+	bytesSlice := make([]byte, msgLen)
+	copy(bytesSlice[:entities.MsgHeaderLength], msg.GetMsgHeader())
+	copy(bytesSlice[entities.MsgHeaderLength:entities.MsgHeaderLength+entities.SetHeaderLen], set.GetHeaderBuffer())
+	index := entities.MsgHeaderLength + entities.SetHeaderLen
+	for _, record := range set.GetRecords() {
+		len := record.GetRecordLength()
+		copy(bytesSlice[index:index+len], record.GetBuffer())
+		index += len
+	}
+	_, err := ke.conn.Write(bytesSlice)
+	return err
+}
+
+// UDPPort asks the kernel for a free open port that is ready to use.
+func UDPPort() (int, error) {
+	addr, err := net.ResolveUDPAddr("udp", "127.0.0.1:0")
+	if err != nil {
+		return 0, err
+	}
+
+	l, err := net.ListenUDP("udp", addr)
+	if err != nil {
+		return 0, err
+	}
+	defer l.Close()
+	return l.LocalAddr().(*net.UDPAddr).Port, nil
+}
diff --git a/pkg/test/loki_mock.go b/pkg/test/loki_mock.go
new file mode 100644
index 00000000..ab5c9ccc
--- /dev/null
+++ b/pkg/test/loki_mock.go
@@ -0,0 +1,59 @@
+package test
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/golang/snappy"
+	"github.com/netobserv/loki-client-go/pkg/logproto"
+	log "github.com/sirupsen/logrus"
+)
+
+// FakeLokiHandler is a fake loki HTTP service that decodes the snappy/protobuf messages
+// and forwards them for later assertions
+func FakeLokiHandler(flowsData chan<- map[string]interface{}) http.HandlerFunc {
+	hlog := log.WithField("component", "LokiHandler")
+	return func(rw http.ResponseWriter, req *http.Request) {
+		hlog.WithFields(log.Fields{
+			"method": req.Method,
+			"url":    req.URL,
+			"header": req.Header,
+		}).Info("new request")
+		if req.Method != http.MethodPost && req.Method != http.MethodPut {
+			rw.WriteHeader(http.StatusBadRequest)
+			return
+		}
+		body, err := ioutil.ReadAll(req.Body)
+		if err != nil {
+			hlog.WithError(err).Error("can't read request body")
+			rw.WriteHeader(http.StatusBadRequest)
+			return
+		}
+		decodedBody, err := snappy.Decode([]byte{}, body)
+		if err != nil {
+			hlog.WithError(err).Error("can't decode snappy body")
+			rw.WriteHeader(http.StatusBadRequest)
+			return
+		}
+		pr := logproto.PushRequest{}
+		if err := pr.Unmarshal(decodedBody); err != nil {
+			hlog.WithError(err).Error("can't decode protobuf body")
+			rw.WriteHeader(http.StatusBadRequest)
+			return
+		}
+		for _, stream := range pr.Streams {
+			for _, entry := range stream.Entries {
+				flowData := map[string]interface{}{}
+				if err := json.Unmarshal([]byte(entry.Line), &flowData); err != nil {
+					hlog.WithError(err).Error("expecting JSON line")
+					rw.WriteHeader(http.StatusBadRequest)
+					return
+				}
+				// TODO: decorate the flow map with extra metadata from the stream entry
+				flowsData <- flowData
+			}
+		}
+		rw.WriteHeader(http.StatusOK)
+	}
+}