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feat(ci) support more arch and os vendor btf file embed
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package loader_test | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
| "sync" | ||
| "testing" | ||
|
|
||
| "golang.org/x/sys/unix" | ||
| ) | ||
|
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| var kernelVersionInfo struct { | ||
| once sync.Once | ||
| version string | ||
| err error | ||
| } | ||
|
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| func GetKernelVersion() (string, error) { | ||
| kernelVersionInfo.once.Do(func() { | ||
|
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| var uname unix.Utsname | ||
| err := unix.Uname(&uname) | ||
| if err != nil { | ||
| kernelVersionInfo.err = fmt.Errorf(": %w", err) | ||
| } else { | ||
| kernelVersionInfo.version = strings.TrimSpace(unix.ByteSliceToString(uname.Release[:])) | ||
| } | ||
| }) | ||
|
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| return kernelVersionInfo.version, kernelVersionInfo.err | ||
| } | ||
|
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| var osReleaseFiles = []string{ | ||
| "/etc/os-release", | ||
| "/usr/lib/os-release", | ||
| } | ||
|
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| type Release struct { | ||
| Id string | ||
| VersionId string | ||
| } | ||
|
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| func GetRelease() (*Release, error) { | ||
| var errors []error | ||
| for _, path := range osReleaseFiles { | ||
| data, err := os.ReadFile(path) | ||
| if err != nil { | ||
| errors = append(errors, err) | ||
| continue | ||
| } | ||
|
|
||
| var release Release | ||
| for _, line := range strings.Split(string(data), "\n") { | ||
| line := strings.TrimSpace(line) | ||
| parts := strings.Split(line, "=") | ||
| if len(parts) < 2 { | ||
| continue | ||
| } | ||
| key, value := parts[0], parts[1] | ||
| key = strings.TrimSpace(key) | ||
| switch key { | ||
| case "ID": | ||
| release.Id = strings.TrimSpace(value) | ||
| break | ||
| case "VERSION_ID": | ||
| release.VersionId = strings.TrimSpace(value) | ||
| break | ||
| } | ||
| } | ||
| if release.Id != "" { | ||
| return &release, nil | ||
| } | ||
| } | ||
|
|
||
| if len(errors) != 0 { | ||
| return nil, fmt.Errorf("%v", errors) | ||
| } | ||
|
|
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| return nil, fmt.Errorf("can't get release info from %v", osReleaseFiles) | ||
| } | ||
| func TestRelease(t *testing.T) { | ||
| v, _ := GetKernelVersion() | ||
| fmt.Sprintln(v) | ||
|
|
||
| r, _ := GetRelease() | ||
| fmt.Sprintln(r) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,89 @@ | ||
| #!/bin/bash | ||
| current_dir=$(pwd) | ||
| rm -rf ./bpf/custom-archive | ||
| cd ../btfhub || exit | ||
| make bring | ||
| ./tools/btfgen.sh -a x86_64 -o "$current_dir"/bpf/agent_x86_bpfel.o | ||
| cd "$current_dir" || exit | ||
| cp -R ../btfhub/custom-archive ./bpf/ | ||
| rm -f ./bpf/custom-archive/.gitignore | ||
| BASEDIR=$(dirname "${0}") | ||
| cd ${BASEDIR}/../ | ||
| BASEDIR=$(pwd) | ||
| cd ${BASEDIR} | ||
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| BTFHUB_REPO="https://github.com/aquasecurity/btfhub.git" | ||
| BTFHUB_ARCH_REPO="https://github.com/aquasecurity/btfhub-archive.git" | ||
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| KYANOS_BPF_CORE="${BASEDIR}/bpf/agent_x86_bpfel.o" | ||
|
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| BTFHUB_DIR="${BASEDIR}/deps/btfhub" | ||
| BTFHUB_ARCH_DIR="${BASEDIR}/deps/btfhub-archive" | ||
|
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| ARCH=$(uname -m) | ||
|
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| case ${ARCH} in | ||
| "x86_64") | ||
| ARCH="x86_64" | ||
| ;; | ||
| "aarch64") | ||
| ARCH="arm64" | ||
| ;; | ||
| *) | ||
| die "unsupported architecture" | ||
| ;; | ||
| esac | ||
|
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|
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| die() { | ||
| echo ${@} | ||
| exit 1 | ||
| } | ||
|
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| branch_clean() { | ||
| cd ${1} || die "could not change dirs" | ||
|
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| # small sanity check | ||
| [ ! -d ./.git ] && die "$(basename $(pwd)) not a repo dir" | ||
|
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| git fetch -a || die "could not fetch ${1}" # make sure its updated | ||
| git clean -fdX # clean leftovers | ||
| git reset --hard # reset letfovers | ||
| git checkout origin/main -b main-$$ | ||
| git branch -D main | ||
| git branch -m main-$$ main # origin/main == main | ||
|
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| cd ${BASEDIR} | ||
| } | ||
|
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| CMDS="rsync git cp rm mv" | ||
| for cmd in ${CMDS}; do | ||
| command -v $cmd 2>&1 >/dev/null || die "cmd ${cmd} not found" | ||
| done | ||
| [ ! -f ${KYANOS_BPF_CORE} ] && die "tracee CO-RE obj not found" | ||
|
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| [ ! -d ${BTFHUB_DIR} ] && git clone "${BTFHUB_REPO}" ${BTFHUB_DIR} | ||
| [ ! -d ${BTFHUB_ARCH_DIR} ] && git clone "${BTFHUB_ARCH_REPO}" ${BTFHUB_ARCH_DIR} | ||
|
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| if [ -z ${SKIP_FETCH} ]; then | ||
| branch_clean ${BTFHUB_DIR} | ||
| branch_clean ${BTFHUB_ARCH_DIR} | ||
| fi | ||
|
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| cd ${BTFHUB_DIR} | ||
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| # sync only supported kernels | ||
|
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| ARCH_EXCLUDE=$(printf "x86_64\naarch64\n" | grep -v $(uname -m) | xargs) | ||
| rsync -avz \ | ||
| ${BTFHUB_ARCH_DIR}/ \ | ||
| --exclude=.git* \ | ||
| --exclude=README.md \ | ||
| --exclude=${ARCH_EXCLUDE} \ | ||
| ./archive/ | ||
|
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| # generate tailored BTFs | ||
|
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| [ ! -f ./tools/btfgen.sh ] && die "could not find btfgen.sh" | ||
| ./tools/btfgen.sh -a ${BUILD_ARCH} -o ${KYANOS_BPF_CORE} | ||
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| # move tailored BTFs to dist | ||
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| [ ! -d ${BASEDIR}/bpf/custom-archive ] && mkdir -p ${BASEDIR}/bpf/custom-archive | ||
| rm -rf ${BASEDIR}/bpf/custom-archive/* || true | ||
| mv ./custom-archive/* ${BASEDIR}/bpf/custom-archive |
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