dweomer

git clone https://github.com/helm/helm.git && cd helm

# alpine (success)
make clean; \
docker run --rm -it --volume $PWD:$PWD -w $PWD library/golang:1.19-alpine sh -c " \
 cat /etc/os-release; apk add file gcc g++ make bash; \
 make GOEXPERIMENT=boringcrypto \
 GOFLAGS='-buildvcs=false' \
 CGO_ENABLED=1 \
 TAGS=netgo,osusergo \

dweomer

KVM in runc

Running a KVM virtual machine inside a runc contianer.

Requirements

• A host which can run KVM virtual machines using Vagrant.

Setting up a test VM

dweomer

KVM in runc

Running a KVM virtual machine inside a runc contianer.

Requirements

• A host which can run KVM virtual machines using Vagrant.

Setting up a test VM

dweomer

Notes

Setup the VM:

• https://github.com/dweomer/cri/blob/test/selinux/test/selinux/Vagrantfile

Prepare

cd $GOPATH/src/github.com/containerd/cri
./hack/install/install-cni.sh
./hack/install/install-cni-config.sh

dweomer

🇩 binaries
🇩 test-cri
/go/bin/critest
'/go/src/github.com/containerd/cri/hack/../_output/containerd' -> '/usr/local/bin/containerd-test'
changing security context of '/usr/local/bin/containerd-test'
make[1]: Entering directory '/go/src/github.com/containerd/cri/test/selinux/policy'
rm -fR tmp
rm -f *.pp
/usr/share/selinux/devel/include/services/container.if:13: Error: duplicate definition of container_runtime_domtrans(). Original definition on 13.
/usr/share/selinux/devel/include/services/container.if:40: Error: duplicate definition of container_runtime_run(). Original definition on 40.

dweomer

🇩 binaries
🇩 test-cri
/go/bin/critest
'/go/src/github.com/containerd/cri/hack/../_output/containerd' -> '/usr/local/bin/containerd-test'
changing security context of '/usr/local/bin/containerd-test'
make[1]: Entering directory '/go/src/github.com/containerd/cri/test/selinux/policy'
rm -fR tmp
rm -f *.pp
/usr/share/selinux/devel/include/services/container.if:13: Error: duplicate definition of container_runtime_domtrans(). Original definition on 13.
/usr/share/selinux/devel/include/services/container.if:40: Error: duplicate definition of container_runtime_run(). Original definition on 40.

dweomer

critest version: 1.18.0-89-gbaca4a1
Running Suite: CRI validation
=============================
Random Seed: 123456789 - Will randomize all specs
Will run 90 of 97 specs

[k8s.io] Container runtime should support basic operations on container 
  runtime should support removing stopped container [Conformance]
  /usr/src/github.com/kubernetes-sigs/cri-tools/pkg/validate/container.go:134
[BeforeEach] [k8s.io] Container

dweomer

[vagrant@localhost cri]$ make test-cri
🇩 binaries
🇩 test-cri
/go/bin/critest
'/go/src/github.com/containerd/cri/hack/../_output/containerd' -> '/usr/local/bin/containerd-test'
changing security context of '/usr/local/bin/containerd-test'
make[1]: Entering directory '/go/src/github.com/containerd/cri/test/selinux/policy'
make[1]: 'containerd-test.pp' is up to date.
make[1]: Leaving directory '/go/src/github.com/containerd/cri/test/selinux/policy'
mkdir: created directory '/var/lib/containerd-test'

dweomer

tooling

• https://github.com/containers/udica
  • https://www.youtube.com/watch?v=iMO6rwA-i_s
• https://github.com/xek/capabilities_tracker

k3s

• https://github.com/rancher/k3s-selinux/blob/v0.1/k3s.te
• https://github.com/rancher/k3s-selinux/blob/v0.1/k3s.fc

containerd/cri

dweomer

package main

// https://www.meetup.com/Golang-Phoenix/events/249838312/
// I was assigned the 'gopkg.in/src-d/go-git.v4' package. Below is a simple program that will take a Git URL,
// clone the repo, and scan SemVer-compliant tags then output the most recent, as per SemVer, version.

import (
	"fmt"
	"io/ioutil"
	"os"