Includes security fixes for net/http (CVE-2022-41717, CVE-2022-41720),
and os (CVE-2022-41720).
These minor releases include 2 security fixes following the security policy:
- os, net/http: avoid escapes from os.DirFS and http.Dir on Windows
The os.DirFS function and http.Dir type provide access to a tree of files
rooted at a given directory. These functions permitted access to Windows
device files under that root. For example, os.DirFS("C:/tmp").Open("COM1")
would open the COM1 device.
Both os.DirFS and http.Dir only provide read-only filesystem access.
In addition, on Windows, an os.DirFS for the directory \(the root of the
current drive) can permit a maliciously crafted path to escape from the
drive and access any path on the system.
The behavior of os.DirFS("") has changed. Previously, an empty root was
treated equivalently to "/", so os.DirFS("").Open("tmp") would open the
path "/tmp". This now returns an error.
This is CVE-2022-41720 and Go issue https://go.dev/issue/56694.
- net/http: limit canonical header cache by bytes, not entries
An attacker can cause excessive memory growth in a Go server accepting
HTTP/2 requests.
HTTP/2 server connections contain a cache of HTTP header keys sent by
the client. While the total number of entries in this cache is capped,
an attacker sending very large keys can cause the server to allocate
approximately 64 MiB per open connection.
This issue is also fixed in golang.org/x/net/http2 vX.Y.Z, for users
manually configuring HTTP/2.
Thanks to Josselin Costanzi for reporting this issue.
This is CVE-2022-41717 and Go issue https://go.dev/issue/56350.
View the release notes for more information:
https://go.dev/doc/devel/release#go1.19.4
And the milestone on the issue tracker:
https://github.com/golang/go/issues?q=milestone%3AGo1.19.4+label%3ACherryPickApproved
Full diff: https://github.com/golang/go/compare/go1.19.3...go1.19.4
The golang.org/x/net fix is in 1e63c2f08a
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
311 lines
11 KiB
Ruby
311 lines
11 KiB
Ruby
# -*- mode: ruby -*-
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# vi: set ft=ruby :
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# Copyright The containerd Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Vagrantfile for Fedora and EL
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Vagrant.configure("2") do |config|
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config.vm.box = ENV["BOX"] || "fedora/37-cloud-base"
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config.vm.box_version = ENV["BOX_VERSION"]
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memory = 4096
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cpus = 2
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disk_size = 60
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config.vm.provider :virtualbox do |v|
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v.memory = memory
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v.cpus = cpus
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v.disk :disk, size: "#{disk_size}GB", primary: true
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end
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config.vm.provider :libvirt do |v|
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v.memory = memory
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v.cpus = cpus
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v.machine_virtual_size = disk_size
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end
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config.vm.synced_folder ".", "/vagrant", type: "rsync"
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config.vm.provision 'shell', path: 'script/resize-vagrant-root.sh'
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# Disabled by default. To run:
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# vagrant up --provision-with=upgrade-packages
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# To upgrade only specific packages:
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# UPGRADE_PACKAGES=selinux vagrant up --provision-with=upgrade-packages
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#
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config.vm.provision "upgrade-packages", type: "shell", run: "never" do |sh|
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sh.upload_path = "/tmp/vagrant-upgrade-packages"
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sh.env = {
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'UPGRADE_PACKAGES': ENV['UPGRADE_PACKAGES'],
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}
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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set -eux -o pipefail
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dnf -y upgrade ${UPGRADE_PACKAGES}
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SHELL
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end
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# To re-run, installing CNI from RPM:
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# INSTALL_PACKAGES="containernetworking-plugins" vagrant up --provision-with=install-packages
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#
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config.vm.provision "install-packages", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-install-packages"
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sh.env = {
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'INSTALL_PACKAGES': ENV['INSTALL_PACKAGES'],
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}
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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set -eux -o pipefail
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dnf -y install \
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container-selinux \
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curl \
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gcc \
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git \
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iptables \
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libseccomp-devel \
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libselinux-devel \
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lsof \
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make \
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${INSTALL_PACKAGES}
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SHELL
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end
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# EL does not have /usr/local/{bin,sbin} in the PATH by default
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config.vm.provision "setup-etc-environment", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-setup-etc-environment"
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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set -eux -o pipefail
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cat >> /etc/environment <<EOF
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PATH=/usr/local/go/bin:/usr/local/bin:/usr/local/sbin:$PATH
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EOF
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source /etc/environment
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SHELL
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end
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# To re-run this provisioner, installing a different version of go:
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# GO_VERSION="1.14.6" vagrant up --provision-with=install-golang
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#
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config.vm.provision "install-golang", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-install-golang"
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sh.env = {
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'GO_VERSION': ENV['GO_VERSION'] || "1.19.4",
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}
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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set -eux -o pipefail
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curl -fsSL "https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz" | tar Cxz /usr/local
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cat >> /etc/profile.d/sh.local <<EOF
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GOPATH=\\$HOME/go
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PATH=\\$GOPATH/bin:\\$PATH
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export GOPATH PATH
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git config --global --add safe.directory /vagrant
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EOF
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source /etc/profile.d/sh.local
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SHELL
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end
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config.vm.provision "setup-gopath", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-setup-gopath"
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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source /etc/environment
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source /etc/profile.d/sh.local
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set -eux -o pipefail
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mkdir -p ${GOPATH}/src/github.com/containerd
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ln -fnsv /vagrant ${GOPATH}/src/github.com/containerd/containerd
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SHELL
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end
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config.vm.provision "install-runc", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-install-runc"
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sh.env = {
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'RUNC_FLAVOR': ENV['RUNC_FLAVOR'] || "runc",
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}
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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source /etc/environment
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source /etc/profile.d/sh.local
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set -eux -o pipefail
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${GOPATH}/src/github.com/containerd/containerd/script/setup/install-runc
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type runc
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runc --version
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chcon -v -t container_runtime_exec_t $(type -ap runc)
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SHELL
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end
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config.vm.provision "install-cni", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-install-cni"
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sh.env = {
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'CNI_BINARIES': 'bridge dhcp flannel host-device host-local ipvlan loopback macvlan portmap ptp tuning vlan',
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}
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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source /etc/environment
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source /etc/profile.d/sh.local
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set -eux -o pipefail
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cd ${GOPATH}/src/github.com/containerd/containerd
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script/setup/install-cni
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PATH=/opt/cni/bin:$PATH type ${CNI_BINARIES} || true
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SHELL
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end
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config.vm.provision "install-cri-tools", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-install-cri-tools"
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sh.env = {
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'CRI_TOOLS_VERSION': ENV['CRI_TOOLS_VERSION'] || '16911795a3c33833fa0ec83dac1ade3172f6989e',
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'GOBIN': '/usr/local/bin',
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}
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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source /etc/environment
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source /etc/profile.d/sh.local
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set -eux -o pipefail
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${GOPATH}/src/github.com/containerd/containerd/script/setup/install-critools
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type crictl critest
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critest --version
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SHELL
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end
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config.vm.provision "install-containerd", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-install-containerd"
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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source /etc/environment
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source /etc/profile.d/sh.local
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set -eux -o pipefail
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cd ${GOPATH}/src/github.com/containerd/containerd
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make BUILDTAGS="seccomp selinux no_aufs no_btrfs no_devmapper no_zfs" binaries install
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type containerd
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containerd --version
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chcon -v -t container_runtime_exec_t /usr/local/bin/{containerd,containerd-shim*}
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./script/setup/config-containerd
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SHELL
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end
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config.vm.provision "install-gotestsum", type: "shell", run: "once" do |sh|
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sh.upload_path = "/tmp/vagrant-install-gotestsum"
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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source /etc/environment
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source /etc/profile.d/sh.local
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set -eux -o pipefail
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${GOPATH}/src/github.com/containerd/containerd/script/setup/install-gotestsum
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sudo cp ${GOPATH}/bin/gotestsum /usr/local/bin/
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SHELL
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end
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# SELinux is Enforcing by default.
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# To set SELinux as Disabled on a VM that has already been provisioned:
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# SELINUX=Disabled vagrant up --provision-with=selinux
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# To set SELinux as Permissive on a VM that has already been provsioned
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# SELINUX=Permissive vagrant up --provision-with=selinux
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config.vm.provision "selinux", type: "shell", run: "never" do |sh|
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sh.upload_path = "/tmp/vagrant-selinux"
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sh.env = {
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'SELINUX': ENV['SELINUX'] || "Enforcing"
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}
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sh.inline = <<~SHELL
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/vagrant/script/setup/config-selinux
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/vagrant/script/setup/config-containerd
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SHELL
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end
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# SELinux is permissive by default (via provisioning) in this VM. To re-run with SELinux enforcing:
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# vagrant up --provision-with=selinux-enforcing,test-integration
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#
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config.vm.provision "test-integration", type: "shell", run: "never" do |sh|
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sh.upload_path = "/tmp/test-integration"
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sh.env = {
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'RUNC_FLAVOR': ENV['RUNC_FLAVOR'] || "runc",
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'GOTEST': ENV['GOTEST'] || "go test",
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'GOTESTSUM_JUNITFILE': ENV['GOTESTSUM_JUNITFILE'],
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'GOTESTSUM_JSONFILE': ENV['GOTESTSUM_JSONFILE'],
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}
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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source /etc/environment
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source /etc/profile.d/sh.local
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set -eux -o pipefail
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rm -rf /var/lib/containerd-test /run/containerd-test
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cd ${GOPATH}/src/github.com/containerd/containerd
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go test -v -count=1 -race ./metrics/cgroups
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make integration EXTRA_TESTFLAGS="-timeout 15m -no-criu -test.v" TEST_RUNTIME=io.containerd.runc.v2 RUNC_FLAVOR=$RUNC_FLAVOR
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SHELL
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end
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# SELinux is permissive by default (via provisioning) in this VM. To re-run with SELinux enforcing:
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# vagrant up --provision-with=selinux-enforcing,test-cri
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#
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config.vm.provision "test-cri", type: "shell", run: "never" do |sh|
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sh.upload_path = "/tmp/test-cri"
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sh.env = {
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'GOTEST': ENV['GOTEST'] || "go test",
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'REPORT_DIR': ENV['REPORT_DIR'],
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}
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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source /etc/environment
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source /etc/profile.d/sh.local
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set -eux -o pipefail
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systemctl disable --now containerd || true
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rm -rf /var/lib/containerd /run/containerd
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function cleanup()
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{
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journalctl -u containerd > /tmp/containerd.log
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cat /tmp/containerd.log
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systemctl stop containerd
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}
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selinux=$(getenforce)
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if [[ $selinux == Enforcing ]]; then
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setenforce 0
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fi
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systemctl enable --now ${GOPATH}/src/github.com/containerd/containerd/containerd.service
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if [[ $selinux == Enforcing ]]; then
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setenforce 1
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fi
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trap cleanup EXIT
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ctr version
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critest --parallel=$[$(nproc)+2] --ginkgo.skip='HostIpc is true' --report-dir="${REPORT_DIR}"
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SHELL
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end
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# Rootless Podman is used for testing CRI-in-UserNS
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# (We could use rootless nerdctl, but we are using Podman here because it is available in dnf)
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config.vm.provision "install-rootless-podman", type: "shell", run: "never" do |sh|
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sh.upload_path = "/tmp/vagrant-install-rootless-podman"
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sh.inline = <<~SHELL
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#!/usr/bin/env bash
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set -eux -o pipefail
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# Delegate cgroup v2 controllers to rootless
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mkdir -p /etc/systemd/system/user@.service.d
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cat > /etc/systemd/system/user@.service.d/delegate.conf << EOF
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[Service]
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Delegate=yes
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EOF
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systemctl daemon-reload
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# Install Podman
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dnf install -y podman
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# Configure Podman to resolve `golang` to `docker.io/library/golang`
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mkdir -p /etc/containers
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cat > /etc/containers/registries.conf <<EOF
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[registries.search]
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registries = ['docker.io']
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EOF
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# Disable SELinux to allow overlayfs
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setenforce 0
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SHELL
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end
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end
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