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@@ -245,13 +245,16 @@ USAGE: ${PROGRAM} [options]
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HEREDOC
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}
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+if [ "$(uname -s)" = "Linux" ]; then
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+ ENABLE_EBPF=1
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+fi
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+
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DONOTSTART=0
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DONOTWAIT=0
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NETDATA_PREFIX=
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LIBS_ARE_HERE=0
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NETDATA_ENABLE_ML=""
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ENABLE_DBENGINE=1
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-ENABLE_EBPF=1
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ENABLE_GO=1
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ENABLE_H2O=1
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ENABLE_CLOUD=1
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@@ -323,14 +326,8 @@ while [ -n "${1}" ]; do
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# XXX: No longer supported.
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;;
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"--disable-telemetry") NETDATA_DISABLE_TELEMETRY=1 ;;
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- "--enable-ebpf")
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- ENABLE_EBPF=1
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- NETDATA_DISABLE_EBPF=0
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- ;;
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- "--disable-ebpf")
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- ENABLE_EBPF=0
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- NETDATA_DISABLE_EBPF=1
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- ;;
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+ "--enable-ebpf") ENABLE_EBPF=1 ;;
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+ "--disable-ebpf") ENABLE_EBPF=0 ;;
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"--skip-available-ram-check") SKIP_RAM_CHECK=1 ;;
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"--one-time-build")
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# XXX: No longer supported
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@@ -556,199 +553,6 @@ fi
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trap build_error EXIT
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-# -----------------------------------------------------------------------------
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-
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-get_kernel_version() {
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- r="$(uname -r | cut -f 1 -d '-')"
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-
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- tmpfile="$(mktemp)"
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- echo "${r}" | tr '.' ' ' > "${tmpfile}"
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-
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- read -r maj min patch _ < "${tmpfile}"
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-
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- rm -f "${tmpfile}"
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-
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- printf "%03d%03d%03d" "${maj}" "${min}" "${patch}"
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-}
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-
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-detect_libc() {
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- libc=
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- if ldd --version 2>&1 | grep -q -i glibc; then
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- echo >&2 " Detected GLIBC"
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- libc="glibc"
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- elif ldd --version 2>&1 | grep -q -i 'gnu libc'; then
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- echo >&2 " Detected GLIBC"
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- libc="glibc"
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- elif ldd --version 2>&1 | grep -q -i musl; then
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- echo >&2 " Detected musl"
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- libc="musl"
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- else
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- cmd=$(ldd /bin/sh | grep -w libc | cut -d" " -f 3)
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- if bash -c "${cmd}" 2>&1 | grep -q -i "GNU C Library"; then
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- echo >&2 " Detected GLIBC"
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- libc="glibc"
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- fi
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- fi
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-
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- if [ -z "$libc" ]; then
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- warning "Cannot detect a supported libc on your system, eBPF support will be disabled."
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- return 1
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- fi
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-
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- echo "${libc}"
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- return 0
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-}
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-
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-build_libbpf() {
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- cd "${1}/src" > /dev/null || return 1
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- mkdir root build
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- # shellcheck disable=SC2086
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- run env CFLAGS='-fPIC -pipe' CXXFLAGS='-fPIC -pipe' LDFLAGS= BUILD_STATIC_ONLY=y OBJDIR=build DESTDIR=.. ${make} ${MAKEOPTS} install
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- cd - > /dev/null || return 1
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-}
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-
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-copy_libbpf() {
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- target_dir="${PWD}/externaldeps/libbpf"
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-
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- if [ "$(uname -m)" = x86_64 ]; then
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- lib_subdir="lib64"
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- else
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- lib_subdir="lib"
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- fi
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-
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- run mkdir -p "${target_dir}" || return 1
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-
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- run cp "${1}/usr/${lib_subdir}/libbpf.a" "${target_dir}/libbpf.a" || return 1
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- run cp -r "${1}/usr/include" "${target_dir}" || return 1
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- run cp -r "${1}/include/uapi" "${target_dir}/include" || return 1
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-}
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-
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-bundle_libbpf() {
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- if { [ -n "${NETDATA_DISABLE_EBPF}" ] && [ "${NETDATA_DISABLE_EBPF}" = 1 ]; } || [ "$(uname -s)" != Linux ]; then
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- ENABLE_EBPF=0
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- NETDATA_DISABLE_EBPF=1
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- return 0
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- fi
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-
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- if [ -z "${make}" ]; then
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- warning "No usable copy of Make found, which is required to bundle libbpf. Disabling eBPF support."
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- ENABLE_EBPF=0
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- NETDATA_DISABLE_EBPF=1
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- return 0
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- fi
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-
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- # When libc is not detected, we do not have necessity to compile libbpf and we should not do download of eBPF programs
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- libc="${EBPF_LIBC:-"$(detect_libc)"}"
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- if [ -z "$libc" ]; then
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- NETDATA_DISABLE_EBPF=1
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- ENABLE_EBPF=0
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- return 0
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- fi
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-
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- [ -n "${GITHUB_ACTIONS}" ] && echo "::group::Bundling libbpf."
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-
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- progress "Prepare libbpf"
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-
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- if [ "$(get_kernel_version)" -ge "004014000" ]; then
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- LIBBPF_PACKAGE_VERSION="$(cat packaging/current_libbpf.version)"
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- LIBBPF_PACKAGE_COMPONENT="current_libbpf"
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- else
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- LIBBPF_PACKAGE_VERSION="$(cat packaging/libbpf_0_0_9.version)"
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- LIBBPF_PACKAGE_COMPONENT="libbpf_0_0_9"
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- fi
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-
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- tmp="$(mktemp -d -t netdata-libbpf-XXXXXX)"
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- LIBBPF_PACKAGE_BASENAME="v${LIBBPF_PACKAGE_VERSION}.tar.gz"
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-
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- if fetch_and_verify "${LIBBPF_PACKAGE_COMPONENT}" \
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- "https://github.com/netdata/libbpf/archive/${LIBBPF_PACKAGE_BASENAME}" \
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- "${LIBBPF_PACKAGE_BASENAME}" \
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- "${tmp}" \
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- "${NETDATA_LOCAL_TARBALL_OVERRIDE_LIBBPF}"; then
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- if run tar --no-same-owner -xf "${tmp}/${LIBBPF_PACKAGE_BASENAME}" -C "${tmp}" &&
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- build_libbpf "${tmp}/libbpf-${LIBBPF_PACKAGE_VERSION}" &&
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- copy_libbpf "${tmp}/libbpf-${LIBBPF_PACKAGE_VERSION}" &&
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- rm -rf "${tmp}"; then
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- run_ok "libbpf built and prepared."
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- ENABLE_EBPF=1
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- else
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- if [ -n "${NETDATA_DISABLE_EBPF}" ] && [ "${NETDATA_DISABLE_EBPF}" = 0 ]; then
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- fatal "failed to build libbpf." I0005
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- else
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- run_failed "Failed to build libbpf. eBPF support will be disabled"
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- ENABLE_EBPF=0
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- NETDATA_DISABLE_EBPF=1
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- fi
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- fi
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- else
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- if [ -n "${NETDATA_DISABLE_EBPF}" ] && [ "${NETDATA_DISABLE_EBPF}" = 0 ]; then
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- fatal "Failed to fetch sources for libbpf." I0006
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- else
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- run_failed "Unable to fetch sources for libbpf. eBPF support will be disabled"
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- ENABLE_EBPF=0
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- NETDATA_DISABLE_EBPF=1
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- fi
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- fi
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-
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- [ -n "${GITHUB_ACTIONS}" ] && echo "::endgroup::"
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-}
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-
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-bundle_libbpf
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-
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-copy_co_re() {
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- cp -R "${1}/includes" "src/libnetdata/ebpf/"
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-}
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-
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-bundle_ebpf_co_re() {
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- if { [ -n "${NETDATA_DISABLE_EBPF}" ] && [ "${NETDATA_DISABLE_EBPF}" = 1 ]; } || [ "$(uname -s)" != Linux ]; then
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- return 0
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- fi
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-
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- [ -n "${GITHUB_ACTIONS}" ] && echo "::group::Bundling libbpf."
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-
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- progress "eBPF CO-RE"
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-
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- CORE_PACKAGE_VERSION="$(cat packaging/ebpf-co-re.version)"
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-
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- tmp="$(mktemp -d -t netdata-ebpf-co-re-XXXXXX)"
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- CORE_PACKAGE_BASENAME="netdata-ebpf-co-re-glibc-${CORE_PACKAGE_VERSION}.tar.xz"
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-
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- if fetch_and_verify "ebpf-co-re" \
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- "https://github.com/netdata/ebpf-co-re/releases/download/${CORE_PACKAGE_VERSION}/${CORE_PACKAGE_BASENAME}" \
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- "${CORE_PACKAGE_BASENAME}" \
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- "${tmp}" \
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- "${NETDATA_LOCAL_TARBALL_OVERRIDE_CORE}"; then
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- if run tar --no-same-owner -xf "${tmp}/${CORE_PACKAGE_BASENAME}" -C "${tmp}" &&
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- copy_co_re "${tmp}" &&
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- rm -rf "${tmp}"; then
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- run_ok "libbpf built and prepared."
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- ENABLE_EBPF=1
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- else
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- if [ -n "${NETDATA_DISABLE_EBPF}" ] && [ "${NETDATA_DISABLE_EBPF}" = 0 ]; then
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- fatal "Failed to get eBPF CO-RE files." I0007
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- else
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- run_failed "Failed to get eBPF CO-RE files. eBPF support will be disabled"
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- NETDATA_DISABLE_EBPF=1
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- ENABLE_EBPF=0
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- enable_feature PLUGIN_EBPF 0
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- fi
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- fi
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- else
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- if [ -n "${NETDATA_DISABLE_EBPF}" ] && [ "${NETDATA_DISABLE_EBPF}" = 0 ]; then
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- fatal "Failed to fetch eBPF CO-RE files." I0008
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- else
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- run_failed "Failed to fetch eBPF CO-RE files. eBPF support will be disabled"
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- NETDATA_DISABLE_EBPF=1
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- ENABLE_EBPF=0
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- enable_feature PLUGIN_EBPF 0
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- fi
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- fi
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-
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- [ -n "${GITHUB_ACTIONS}" ] && echo "::endgroup::"
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-}
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-
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-bundle_ebpf_co_re
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-
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# -----------------------------------------------------------------------------
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build_fluentbit() {
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env_cmd="env CFLAGS='-w' CXXFLAGS='-w' LDFLAGS="
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@@ -1249,15 +1053,41 @@ fi
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[ -n "${GITHUB_ACTIONS}" ] && echo "::endgroup::"
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+detect_libc() {
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+ libc=
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+ if ldd --version 2>&1 | grep -q -i glibc; then
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+ echo >&2 " Detected GLIBC"
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+ libc="glibc"
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+ elif ldd --version 2>&1 | grep -q -i 'gnu libc'; then
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+ echo >&2 " Detected GLIBC"
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+ libc="glibc"
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+ elif ldd --version 2>&1 | grep -q -i musl; then
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+ echo >&2 " Detected musl"
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+ libc="musl"
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+ else
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+ cmd=$(ldd /bin/sh | grep -w libc | cut -d" " -f 3)
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+ if bash -c "${cmd}" 2>&1 | grep -q -i "GNU C Library"; then
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+ echo >&2 " Detected GLIBC"
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+ libc="glibc"
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+ fi
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+ fi
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+
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+ if [ -z "$libc" ]; then
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+ warning "Cannot detect a supported libc on your system, eBPF support will be disabled."
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+ return 1
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+ fi
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+
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+ echo "${libc}"
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+}
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+
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should_install_ebpf() {
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- if [ "${NETDATA_DISABLE_EBPF:=0}" -eq 1 ]; then
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- run_failed "eBPF has been explicitly disabled, it will not be available in this install."
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+ if [ "${ENABLE_EBPF:-0}" -eq 0 ]; then
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return 1
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fi
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- if [ "$(uname -s)" != "Linux" ] || [ "$(uname -m)" != "x86_64" ]; then
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- if [ "${NETDATA_DISABLE_EBPF:=1}" -eq 0 ]; then
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- run_failed "Currently eBPF is only supported on Linux on X86_64."
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+ if [ "$(uname -m)" != "x86_64" ]; then
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+ if [ "${ENABLE_EBPF:-0}" -eq 1 ]; then
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+ run_failed "Currently eBPF is only supported on Linux on x86_64."
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fi
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return 1
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@@ -1328,10 +1158,10 @@ install_ebpf() {
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remove_old_ebpf
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- progress "Installing eBPF plugin"
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+ progress "Installing eBPF programs"
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# Detect libc
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- libc="${EBPF_LIBC:-"$(detect_libc)"}"
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+ libc="$(detect_libc)"
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EBPF_VERSION="$(cat packaging/ebpf.version)"
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EBPF_TARBALL="netdata-kernel-collector-${libc}-${EBPF_VERSION}.tar.xz"
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Austin S. Hemmelgarn