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K8s native support (#1052)

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Now you are be able to capture traffic inside k8s like this:

```
gor --input-raw k8s://namespace/deployment/app:80 --output-http http://replay.com
```

Supported format for filtering required pods:

```
k8s://[namespace/]pod/[pod_name] - k8s://default/pod/nginx-7848d4b86f-5nxz8
k8s://[namespace/]deployment/[deployment_name] - k8s://default/deployment/nginx
k8s://[namespace/]daemonset/[daemonset_name] - k8s://default/daemonset/nginx
k8s://[namespace/]labelSelector/[selector] - k8s://default/labelSelector/app=nginx
k8s://[namespace/]fieldSelector/[selector] - k8s://default/fieldSelector/metadata.name=nginx-7848d4b86f-5nxz8
```

`namespace` is optional, omit to use all namespaces: `k8s://labelSelector/app=replay`

GoReplay designed to be running running as a daemonset (e.g. on each physical k8s node). 

See the full guide in here: https://github.com/buger/goreplay/blob/ca8205a5c5d2a1facb00214c78e4120aae6d772d/k8s/README.md
This commit is contained in:
Leonid Bugaev
2022-02-12 21:01:03 +03:00
committed by GitHub
parent 169de158ed
commit d440b3dc8f
12 changed files with 956 additions and 27 deletions
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Makefile
+13 -2
View File
@@ -30,7 +30,10 @@ vendor:
go mod vendor
release-bin: vendor
docker run --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=amd64 -i $(CONTAINER) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS)
docker run --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=amd64 -i $(CONTAINER) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS)
release-arm64-bin: vendor
docker run --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=arm64 -i $(CONTAINER) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS)
release-bin-mac: vendor
GOOS=darwin go build -mod=vendor -o $(BIN_NAME) $(MAC_LDFLAGS)
@@ -80,9 +83,17 @@ build:
install:
go install $(MAC_LDFLAGS)
build-env:
build-env: build-x64-env build-arm64-env
build-x64-env:
docker buildx build --platform linux/amd64 -t $(CONTAINER) -f Dockerfile.dev .
build-arm64-env:
docker buildx build --platform linux/arm64 -t $(CONTAINER) -f Dockerfile.dev .
build-docker:
docker build -t gor-dev -f Dockerfile .
profile:
go build && ./$(BIN_NAME) --output-http="http://localhost:9000" --input-dummy 0 --input-raw :9000 --input-http :9000 --memprofile=./mem.out --cpuprofile=./cpu.out --stats --output-http-stats --output-http-timeout 100ms