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94505a046ad365eaeb28654a36c273b1356e050c
runc/Makefile
T
Wei Fu 94505a046a *: introduce pidfd-socket flag 
The container manager like containerd-shim can't use cgroup.kill feature or
freeze all the processes in cgroup to terminate the exec init process.
It's unsafe to call kill(2) since the pid can be recycled. It's good to
provide the pidfd of init process through the pidfd-socket. It's similar to
the console-socket. With the pidfd, the container manager like containerd-shim
can send the signal to target process safely.

And for the standard init process, we can have polling support to get
exit event instead of blocking on wait4.

Signed-off-by: Wei Fu <fuweid89@gmail.com>
2023-11-21 18:28:50 +08:00

255 lines
7.2 KiB
Makefile
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SHELL = /bin/bash
CONTAINER_ENGINE := docker
GO ?= go
# Get CC values for cross-compilation.
include cc_platform.mk
PREFIX ?= /usr/local
BINDIR := $(PREFIX)/sbin
MANDIR := $(PREFIX)/share/man
GIT_BRANCH := $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null)
GIT_BRANCH_CLEAN := $(shell echo $(GIT_BRANCH) | sed -e "s/[^[:alnum:]]/-/g")
RUNC_IMAGE := runc_dev$(if $(GIT_BRANCH_CLEAN),:$(GIT_BRANCH_CLEAN))
PROJECT := github.com/opencontainers/runc
BUILDTAGS ?= seccomp urfave_cli_no_docs
BUILDTAGS += $(EXTRA_BUILDTAGS)
COMMIT ?= $(shell git describe --dirty --long --always)
VERSION := $(shell cat ./VERSION)
LDFLAGS_COMMON := -X main.gitCommit=$(COMMIT) -X main.version=$(VERSION)
GOARCH := $(shell $(GO) env GOARCH)
GO_BUILDMODE :=
# Enable dynamic PIE executables on supported platforms.
ifneq (,$(filter $(GOARCH),386 amd64 arm arm64 ppc64le riscv64 s390x))
ifeq (,$(findstring -race,$(EXTRA_FLAGS)))
GO_BUILDMODE := "-buildmode=pie"
endif
endif
GO_BUILD := $(GO) build -trimpath $(GO_BUILDMODE) \
$(EXTRA_FLAGS) -tags "$(BUILDTAGS)" \
-ldflags "$(LDFLAGS_COMMON) $(EXTRA_LDFLAGS)"
GO_BUILDMODE_STATIC :=
LDFLAGS_STATIC := -extldflags -static
# Enable static PIE executables on supported platforms.
# This (among the other things) requires libc support (rcrt1.o), which seems
# to be available only for arm64 and amd64 (Debian Bullseye).
ifneq (,$(filter $(GOARCH),arm64 amd64))
ifeq (,$(findstring -race,$(EXTRA_FLAGS)))
GO_BUILDMODE_STATIC := -buildmode=pie
LDFLAGS_STATIC := -linkmode external -extldflags -static-pie
endif
endif
# Enable static PIE binaries on supported platforms.
GO_BUILD_STATIC := $(GO) build -trimpath $(GO_BUILDMODE_STATIC) \
$(EXTRA_FLAGS) -tags "$(BUILDTAGS) netgo osusergo" \
-ldflags "$(LDFLAGS_COMMON) $(LDFLAGS_STATIC) $(EXTRA_LDFLAGS)"
GPG_KEYID ?= asarai@suse.de
# Some targets need cgo, which is disabled by default when cross compiling.
# Enable cgo explicitly for those.
# Both runc and libcontainer/integration need libcontainer/nsenter.
runc static localunittest: export CGO_ENABLED=1
# seccompagent needs libseccomp (when seccomp build tag is set).
ifneq (,$(filter $(BUILDTAGS),seccomp))
seccompagent: export CGO_ENABLED=1
endif
.DEFAULT: runc
.PHONY: runc
runc: runc-bin verify-dmz-arch
.PHONY: runc-bin
runc-bin: runc-dmz
$(GO_BUILD) -o runc .
.PHONY: all
all: runc recvtty sd-helper seccompagent fs-idmap memfd-bind pidfd-kill
.PHONY: recvtty sd-helper seccompagent fs-idmap memfd-bind pidfd-kill
recvtty sd-helper seccompagent fs-idmap memfd-bind pidfd-kill:
$(GO_BUILD) -o contrib/cmd/$@/$@ ./contrib/cmd/$@
.PHONY: static
static: static-bin verify-dmz-arch
.PHONY: static-bin
static-bin: runc-dmz
$(GO_BUILD_STATIC) -o runc .
.PHONY: runc-dmz
runc-dmz:
rm -f libcontainer/dmz/runc-dmz
$(GO) generate -tags "$(BUILDTAGS)" ./libcontainer/dmz
.PHONY: releaseall
releaseall: RELEASE_ARGS := "-a 386 -a amd64 -a arm64 -a armel -a armhf -a ppc64le -a riscv64 -a s390x"
releaseall: release
.PHONY: release
release: runcimage
$(CONTAINER_ENGINE) run $(CONTAINER_ENGINE_RUN_FLAGS) \
--rm -v $(CURDIR):/go/src/$(PROJECT) \
-e RELEASE_ARGS=$(RELEASE_ARGS) \
$(RUNC_IMAGE) make localrelease
script/release_sign.sh -S $(GPG_KEYID) -r release/$(VERSION) -v $(VERSION)
.PHONY: localrelease
localrelease: verify-changelog
script/release_build.sh -r release/$(VERSION) -v $(VERSION) $(RELEASE_ARGS)
.PHONY: dbuild
dbuild: runcimage
$(CONTAINER_ENGINE) run $(CONTAINER_ENGINE_RUN_FLAGS) \
--privileged --rm \
-v $(CURDIR):/go/src/$(PROJECT) \
$(RUNC_IMAGE) make clean all
.PHONY: lint
lint:
golangci-lint run ./...
.PHONY: man
man:
man/md2man-all.sh
.PHONY: runcimage
runcimage:
$(CONTAINER_ENGINE) build $(CONTAINER_ENGINE_BUILD_FLAGS) -t $(RUNC_IMAGE) .
.PHONY: test
test: unittest integration rootlessintegration
.PHONY: localtest
localtest: localunittest localintegration localrootlessintegration
.PHONY: unittest
unittest: runcimage
$(CONTAINER_ENGINE) run $(CONTAINER_ENGINE_RUN_FLAGS) \
-t --privileged --rm \
-v /lib/modules:/lib/modules:ro \
-v $(CURDIR):/go/src/$(PROJECT) \
$(RUNC_IMAGE) make localunittest TESTFLAGS="$(TESTFLAGS)"
.PHONY: localunittest
localunittest: all
$(GO) test -timeout 3m -tags "$(BUILDTAGS)" $(TESTFLAGS) -v ./...
.PHONY: integration
integration: runcimage
$(CONTAINER_ENGINE) run $(CONTAINER_ENGINE_RUN_FLAGS) \
-t --privileged --rm \
-v /lib/modules:/lib/modules:ro \
-v $(CURDIR):/go/src/$(PROJECT) \
$(RUNC_IMAGE) make localintegration TESTPATH="$(TESTPATH)"
.PHONY: localintegration
localintegration: all
bats -t tests/integration$(TESTPATH)
.PHONY: rootlessintegration
rootlessintegration: runcimage
$(CONTAINER_ENGINE) run $(CONTAINER_ENGINE_RUN_FLAGS) \
-t --privileged --rm \
-v $(CURDIR):/go/src/$(PROJECT) \
-e ROOTLESS_TESTPATH \
$(RUNC_IMAGE) make localrootlessintegration
.PHONY: localrootlessintegration
localrootlessintegration: all
tests/rootless.sh
.PHONY: shell
shell: runcimage
$(CONTAINER_ENGINE) run $(CONTAINER_ENGINE_RUN_FLAGS) \
-ti --privileged --rm \
-v $(CURDIR):/go/src/$(PROJECT) \
$(RUNC_IMAGE) bash
.PHONY: install
install:
install -D -m0755 runc $(DESTDIR)$(BINDIR)/runc
.PHONY: install-bash
install-bash:
install -D -m0644 contrib/completions/bash/runc $(DESTDIR)$(PREFIX)/share/bash-completion/completions/runc
.PHONY: install-man
install-man: man
install -d -m 755 $(DESTDIR)$(MANDIR)/man8
install -D -m 644 man/man8/*.8 $(DESTDIR)$(MANDIR)/man8
.PHONY: clean
clean:
rm -f runc runc-* libcontainer/dmz/runc-dmz
rm -f contrib/cmd/fs-idmap/fs-idmap
rm -f contrib/cmd/recvtty/recvtty
rm -f contrib/cmd/sd-helper/sd-helper
rm -f contrib/cmd/seccompagent/seccompagent
rm -f contrib/cmd/memfd-bind/memfd-bind
rm -f contrib/cmd/pidfd-kill/pidfd-kill
sudo rm -rf release
rm -rf man/man8
.PHONY: cfmt
cfmt: C_SRC=$(shell git ls-files '*.c' | grep -v '^vendor/')
cfmt:
indent -linux -l120 -il0 -ppi2 -cp1 -T size_t -T jmp_buf $(C_SRC)
.PHONY: shellcheck
shellcheck:
shellcheck tests/integration/*.bats tests/integration/*.sh \
tests/integration/*.bash tests/*.sh \
man/*.sh script/*
# TODO: add shellcheck for more sh files (contrib/completions/bash/runc).
.PHONY: shfmt
shfmt:
$(CONTAINER_ENGINE) run $(CONTAINER_ENGINE_RUN_FLAGS) \
--rm -v $(CURDIR):/src -w /src \
mvdan/shfmt:v3.5.1 -d -w .
.PHONY: localshfmt
localshfmt:
shfmt -d -w .
.PHONY: venodr
vendor:
$(GO) mod tidy
$(GO) mod vendor
$(GO) mod verify
.PHONY: verify-changelog
verify-changelog:
# No space at EOL.
! grep -n '\s$$' CHANGELOG.md
# Period before issue/PR references.
! grep -n '[0-9a-zA-Z][^.] (#[1-9][0-9, #]*)$$' CHANGELOG.md
.PHONY: verify-dependencies
verify-dependencies: vendor
@test -z "$$(git status --porcelain -- go.mod go.sum vendor/)" \
|| (echo -e "git status:\n $$(git status -- go.mod go.sum vendor/)\nerror: vendor/, go.mod and/or go.sum not up to date. Run \"make vendor\" to update"; exit 1) \
&& echo "all vendor files are up to date."
.PHONY: verify-dmz-arch
verify-dmz-arch:
@if test -s libcontainer/dmz/runc-dmz; then \
set -Eeuo pipefail; \
export LC_ALL=C; \
diff -u \
<(readelf -h runc | grep -E "(Machine|Flags):") \
<(readelf -h libcontainer/dmz/runc-dmz | grep -E "(Machine|Flags):"); \
fi
.PHONY: validate-keyring
validate-keyring:
script/keyring_validate.sh
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