Delete ebpf object files (#1190)

Do not track object files in git.
Generate the files with `make bpf` or during `make agent`.

.github/workflows/static_code_analysis.yml

@@ -32,6 +32,10 @@ jobs:
         id: agent_modified_files
         run: devops/check_modified_files.sh agent/
 
+      - name: Generate eBPF object files and go bindings
+        id: generate_ebpf
+        run: make bpf
+
       - name: Go lint - agent
         uses: golangci/golangci-lint-action@v2
         if: steps.agent_modified_files.outputs.matched == 'true'

.gitignore

@@ -56,3 +56,6 @@ tap/extensions/*/expect
 
 # Ignore *.log files
 *.log
+
+# Object files
+*.o

Makefile

@@ -8,7 +8,7 @@ SHELL=/bin/bash
 # HELP
 # This will output the help for each task
 # thanks to https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
-.PHONY: help ui agent agent-debug cli tap docker
+.PHONY: help ui agent agent-debug cli tap docker bpf clean-bpf
 
 help: ## This help.
 	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
@@ -20,6 +20,13 @@ TS_SUFFIX="$(shell date '+%s')"
 GIT_BRANCH="$(shell git branch | grep \* | cut -d ' ' -f2 | tr '[:upper:]' '[:lower:]' | tr '/' '_')"
 BUCKET_PATH=static.up9.io/mizu/$(GIT_BRANCH)
 export VER?=0.0
+ARCH=$(shell uname -m)
+ifeq ($(ARCH),$(filter $(ARCH),aarch64 arm64))
+	BPF_O_ARCH_LABEL=arm64
+else
+	BPF_O_ARCH_LABEL=x86
+endif
+BPF_O_FILES = tap/tlstapper/tlstapper46_bpfel_$(BPF_O_ARCH_LABEL).o tap/tlstapper/tlstapper_bpfel_$(BPF_O_ARCH_LABEL).o
 
 ui: ## Build UI.
 	@(cd ui; npm i ; npm run build; )
@@ -31,11 +38,17 @@ cli: ## Build CLI.
 cli-debug: ## Build CLI.
 	@echo "building cli"; cd cli && $(MAKE) build-debug
 
-agent: ## Build agent.
+agent: bpf ## Build agent.
 	@(echo "building mizu agent .." )
 	@(cd agent; go build -o build/mizuagent main.go)
 	@ls -l agent/build
 
+bpf: $(BPF_O_FILES)
+
+$(BPF_O_FILES): $(wildcard tap/tlstapper/bpf/**/*.[ch])
+	@(echo "building tlstapper bpf")
+	@(./tap/tlstapper/bpf-builder/build.sh)
+
 agent-debug: ## Build agent for debug.
 	@(echo "building mizu agent for debug.." )
 	@(cd agent; go build -gcflags="all=-N -l" -o build/mizuagent main.go)
@@ -76,6 +89,9 @@ clean-cli:  ## Clean CLI.
 clean-docker:  ## Run clean docker
 	@(echo "DOCKER cleanup - NOT IMPLEMENTED YET " )
 
+clean-bpf:
+	@(rm $(BPF_O_FILES) ; echo "bpf cleanup done" )
+
 test-lint:  ## Run lint on all modules
 	cd agent && golangci-lint run
 	cd shared && golangci-lint run

tap/tlstapper/bpf-builder/build.sh

@@ -9,7 +9,7 @@ docker build -t mizu-ebpf-builder . || exit 1
 BPF_TARGET=amd64
 BPF_CFLAGS="-O2 -g -D__TARGET_ARCH_x86"
 ARCH=$(uname -m)
-if [[ $ARCH == "aarch64" ]]; then
+if [[ $ARCH == "aarch64" || $ARCH == "arm64" ]]; then
     BPF_TARGET=arm64
     BPF_CFLAGS="-O2 -g -D__TARGET_ARCH_arm64"
 fi
@@ -18,7 +18,7 @@ docker run --rm \
 	--name mizu-ebpf-builder \
 	-v $MIZU_HOME:/mizu \
 	-v $(go env GOPATH):/root/go \
-	-it mizu-ebpf-builder \
+	mizu-ebpf-builder \
 	sh -c "
 		BPF_TARGET=\"$BPF_TARGET\" BPF_CFLAGS=\"$BPF_CFLAGS\" go generate tap/tlstapper/tls_tapper.go
         chown $(id -u):$(id -g) tap/tlstapper/tlstapper*_bpf*