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passt/test/Makefile
David Gibson a8c32c85d5 test: Add nsholder utility 
In our test scripts we need to do some ugly parsing of /proc and/or pstree
output in order to get the PIDs of processes running in namespaces so that
we can connect to those namespaces with nsenter or pasta.

This is actually a pretty tricky problem with standard tools.  To determine
the PID from the outside of the namespace we need to know how the process
of interest is related to the unshare or pasta process (child? one of
several children? grandchild?) as well as then parsing /proc or ps output.
This is slightly awkward now, and will get worse with future changes I'd
like to make to have processes are dispatched.

The obvious solution would be to have the process of interest (which we
control) report its own PID, but that doesn't work easily, because it is in
a PID namepace and sees only its local PID not the global PID we need to
address it from outside.

To handle this, add a small custom tool, "nsholder".  This takes a path
and a mode parameter.  In "hold" mode it will create a unix domain socket
bound to the path and listening.  In "pid" mode it will get the "hold"ing
process's pid via the unix socket using SO_PEERCRED, which translates
between PID namespaces.  In "stop" mode it will send a message to the
socket causing the "hold"ing process to clean up and exit.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2022-09-13 05:32:00 +02:00

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# SPDX-License-Identifier: AGPL-3.0-or-later
#
# Tests makefile
#
# Copyright Red Hat
# Author: David Gibson <david@gibson.dropbear.id.au>
WGET = wget -c
DEBIAN_IMGS = debian-8.11.0-openstack-amd64.qcow2 \
debian-9-nocloud-amd64-daily-20200210-166.qcow2 \
debian-10-nocloud-amd64.qcow2 \
debian-10-generic-arm64.qcow2 \
debian-10-generic-ppc64el.qcow2 \
debian-11-nocloud-amd64.qcow2 \
debian-11-generic-arm64.qcow2 \
debian-11-generic-ppc64el.qcow2 \
debian-sid-nocloud-amd64-daily.qcow2 \
debian-sid-nocloud-arm64-daily.qcow2 \
debian-sid-nocloud-ppc64el-daily.qcow2
FEDORA_IMGS = Fedora-Cloud-Base-26-1.5.x86_64.qcow2 \
Fedora-Cloud-Base-27-1.6.x86_64.qcow2 \
Fedora-Cloud-Base-28-1.1.x86_64.qcow2 \
Fedora-Cloud-Base-28-1.1.aarch64.qcow2 \
Fedora-Cloud-Base-29-1.2.x86_64.qcow2 \
Fedora-Cloud-Base-29-1.2.aarch64.qcow2 \
Fedora-Cloud-Base-30-1.2.x86_64.qcow2 \
Fedora-Cloud-Base-30-1.2.aarch64.qcow2 \
Fedora-Cloud-Base-31-1.9.x86_64.qcow2 \
Fedora-Cloud-Base-31-1.9.aarch64.qcow2 \
Fedora-Cloud-Base-32-1.6.x86_64.qcow2 \
Fedora-Cloud-Base-32-1.6.aarch64.qcow2 \
Fedora-Cloud-Base-33-1.2.x86_64.qcow2 \
Fedora-Cloud-Base-33-1.2.aarch64.qcow2 \
Fedora-Cloud-Base-34-1.2.x86_64.qcow2 \
Fedora-Cloud-Base-34-1.2.aarch64.qcow2 \
Fedora-Cloud-Base-35-1.2.x86_64.qcow2 \
Fedora-Cloud-Base-35-1.2.aarch64.qcow2
OPENSUSE_IMGS = openSUSE-Leap-15.1-JeOS.x86_64-kvm-and-xen.qcow2 \
openSUSE-Leap-15.2-JeOS.x86_64-kvm-and-xen.qcow2 \
openSUSE-Leap-15.3-JeOS.x86_64-kvm-and-xen.qcow2 \
openSUSE-Tumbleweed-ARM-JeOS-efi.aarch64.raw.xz \
openSUSE-Tumbleweed-ARM-JeOS-efi.armv7l.raw.xz \
openSUSE-Tumbleweed-JeOS.x86_64-kvm-and-xen.qcow2
UBUNTU_OLD_IMGS = trusty-server-cloudimg-amd64-disk1.img \
trusty-server-cloudimg-i386-disk1.img \
trusty-server-cloudimg-ppc64el-disk1.img
UBUNTU_NEW_IMGS = xenial-server-cloudimg-powerpc-disk1.img \
jammy-server-cloudimg-s390x.img
UBUNTU_IMGS = $(UBUNTU_OLD_IMGS) $(UBUNTU_NEW_IMGS)
DOWNLOAD_ASSETS = mbuto \
$(DEBIAN_IMGS) $(FEDORA_IMGS) $(OPENSUSE_IMGS) $(UBUNTU_IMGS)
LOCAL_ASSETS = mbuto.img QEMU_EFI.fd \
$(DEBIAN_IMGS:%=prepared-%) $(FEDORA_IMGS:%=prepared-%) \
$(UBUNTU_NEW_IMGS:%=prepared-%) \
nsholder
ASSETS = $(DOWNLOAD_ASSETS) $(LOCAL_ASSETS)
CFLAGS = -Wall -Werror
assets: $(ASSETS)
mbuto:
git clone git://mbuto.sh/mbuto
mbuto.img: passt.mbuto mbuto
./mbuto/mbuto -p ./$< -c lz4 -f $@
nsholder: nsholder.c
$(CC) $(CFLAGS) -o $@ $^
QEMU_EFI.fd:
./find-arm64-firmware.sh $@
prepared-%.qcow2: %.qcow2 ./prepare-distro-img.sh
qemu-img create -f qcow2 -F qcow2 -b $< $@
./prepare-distro-img.sh $@
prepared-%.img: %.img ./prepare-distro-img.sh
qemu-img create -f qcow2 -F qcow2 -b $< $@
./prepare-distro-img.sh $(IMGTYPE) $@
check: assets
./run
debug: assets
DEBUG=1 ./run
clean:
rm -f perf.js *~
rm -f $(LOCAL_ASSETS)
rm -rf test_logs
rm -f prepared-*.qcow2 prepared-*.img
realclean: clean
rm -rf $(DOWNLOAD_ASSETS)
# Debian downloads
debian-8.11.0-openstack-%.qcow2:
$(WGET) -O $@ https://cloud.debian.org/images/cloud/OpenStack/archive/8.11.0/debian-8.11.0-openstack-$*.qcow2
debian-9-nocloud-%-daily-20200210-166.qcow2:
$(WGET) -O $@ https://cloud.debian.org/images/cloud/stretch/daily/20200210-166/debian-9-nocloud-$*-daily-20200210-166.qcow2
debian-10-nocloud-%.qcow2:
$(WGET) -O $@ https://cloud.debian.org/images/cloud/buster/latest/debian-10-nocloud-$*.qcow2
debian-10-generic-%.qcow2:
$(WGET) -O $@ https://cloud.debian.org/images/cloud/buster/latest/debian-10-generic-$*.qcow2
debian-11-nocloud-%.qcow2:
$(WGET) -O $@ https://cloud.debian.org/images/cloud/bullseye/latest/debian-11-nocloud-$*.qcow2
debian-11-generic-%.qcow2:
$(WGET) -O $@ https://cloud.debian.org/images/cloud/bullseye/latest/debian-11-generic-$*.qcow2
debian-sid-nocloud-%-daily.qcow2:
$(WGET) -O $@ https://cloud.debian.org/images/cloud/sid/daily/latest/debian-sid-nocloud-$*-daily.qcow2
# Fedora downloads
Fedora-Cloud-Base-26-1.5.%.qcow2:
$(WGET) -O $@ http://archives.fedoraproject.org/pub/archive/fedora/linux/releases/26/CloudImages/$*/images/Fedora-Cloud-Base-26-1.5.$*.qcow2
Fedora-Cloud-Base-27-1.6.%.qcow2:
$(WGET) -O $@ http://archives.fedoraproject.org/pub/archive/fedora/linux/releases/27/CloudImages/$*/images/Fedora-Cloud-Base-27-1.6.$*.qcow2
Fedora-Cloud-Base-28-1.1.%.qcow2:
$(WGET) -O $@ http://archives.fedoraproject.org/pub/archive/fedora/linux/releases/28/Cloud/$*/images/Fedora-Cloud-Base-28-1.1.$*.qcow2
Fedora-Cloud-Base-29-1.2.%.qcow2:
$(WGET) -O $@ http://archives.fedoraproject.org/pub/archive/fedora/linux/releases/29/Cloud/$*/images/Fedora-Cloud-Base-29-1.2.$*.qcow2
Fedora-Cloud-Base-30-1.2.%.qcow2:
$(WGET) -O $@ http://archives.fedoraproject.org/pub/archive/fedora/linux/releases/30/Cloud/$*/images/Fedora-Cloud-Base-30-1.2.$*.qcow2
Fedora-Cloud-Base-31-1.9.%.qcow2:
$(WGET) -O $@ http://archives.fedoraproject.org/pub/archive/fedora/linux/releases/31/Cloud/$*/images/Fedora-Cloud-Base-31-1.9.$*.qcow2
Fedora-Cloud-Base-32-1.6.%.qcow2:
$(WGET) -O $@ https://download.fedoraproject.org/pub/fedora/linux/releases/32/Cloud/$*/images/Fedora-Cloud-Base-32-1.6.$*.qcow2
Fedora-Cloud-Base-33-1.2.%.qcow2:
$(WGET) -O $@ https://download.fedoraproject.org/pub/fedora/linux/releases/33/Cloud/$*/images/Fedora-Cloud-Base-33-1.2.$*.qcow2
Fedora-Cloud-Base-34-1.2.%.qcow2:
$(WGET) -O $@ https://download.fedoraproject.org/pub/fedora/linux//releases/34/Cloud/$*/images/Fedora-Cloud-Base-34-1.2.$*.qcow2
Fedora-Cloud-Base-35-1.2.%.qcow2:
$(WGET) -O $@ https://download.fedoraproject.org/pub/fedora/linux/releases/35/Cloud/$*/images/Fedora-Cloud-Base-35-1.2.$*.qcow2
# OpenSuSE downloads
openSUSE-Leap-15.1-JeOS.x86_64-kvm-and-xen.qcow2:
$(WGET) -O $@ https://download.opensuse.org/distribution/leap/15.1/jeos/openSUSE-Leap-15.1-JeOS.x86_64-kvm-and-xen.qcow2
openSUSE-Leap-15.2-JeOS.x86_64-kvm-and-xen.qcow2:
$(WGET) -O $@ https://download.opensuse.org/distribution/leap/15.2/appliances/openSUSE-Leap-15.2-JeOS.x86_64-kvm-and-xen.qcow2
openSUSE-Leap-15.3-JeOS.x86_64-kvm-and-xen.qcow2:
$(WGET) -O $@ https://download.opensuse.org/distribution/leap/15.3/appliances/openSUSE-Leap-15.3-JeOS.x86_64-kvm-and-xen.qcow2
openSUSE-Tumbleweed-ARM-JeOS-efi.aarch64.raw.xz:
$(WGET) -O $@ http://download.opensuse.org/ports/aarch64/tumbleweed/appliances/openSUSE-Tumbleweed-ARM-JeOS-efi.aarch64.raw.xz
openSUSE-Tumbleweed-ARM-JeOS-efi.armv7l.raw.xz:
$(WGET) -O $@ http://download.opensuse.org/ports/armv7hl/tumbleweed/appliances/openSUSE-Tumbleweed-ARM-JeOS-efi.armv7l.raw.xz
openSUSE-Tumbleweed-JeOS.x86_64-kvm-and-xen.qcow2:
$(WGET) -O $@ https://download.opensuse.org/tumbleweed/appliances/openSUSE-Tumbleweed-JeOS.x86_64-kvm-and-xen.qcow2
# Ubuntu downloads
trusty-server-cloudimg-%-disk1.img:
$(WGET) -O $@ https://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-$*-disk1.img
xenial-server-cloudimg-powerpc-disk1.img:
$(WGET) -O $@ https://cloud-images.ubuntu.com/xenial/current/xenial-server-cloudimg-powerpc-disk1.img
jammy-server-cloudimg-s390x.img:
$(WGET) -O $@ https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-s390x.img
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