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# configuration is based on https://github.com/containerd/containerd/blob/v1.6.0-rc.1/docs/cri/config.md
version = 2
root = "/var/data/cripersistentstorage"
state = "/run/containerd"
oom_score = 0
[grpc]
address = "/run/containerd/containerd.sock"
uid = 0
gid = 0
max_recv_message_size = 16777216
max_send_message_size = 16777216
[debug]
address = ""
uid = 0
gid = 0
level = ""
[metrics]
address = "10.135.106.154:10210"
grpc_histogram = false
[cgroup]
path = "/podruntime/runtime"
[plugins]
[plugins."io.containerd.monitor.v1.cgroups"]
no_prometheus = false
[plugins."io.containerd.grpc.v1.cri"]
disable_tcp_service = true
stream_server_address = "127.0.0.1"
stream_server_port = "0"
stream_idle_timeout = "15m"
enable_selinux = false
selinux_category_range = 1024
sandbox_image = "de.icr.io/armada-master/pause:3.8"
stats_collect_period = 10
systemd_cgroup = false
enable_tls_streaming = false
tolerate_missing_hugetlb_controller = true
ignore_image_defined_volumes = false
[plugins."io.containerd.grpc.v1.cri".containerd]
snapshotter = "overlayfs"
default_runtime_name = "runc"
no_pivot = false
disable_snapshot_annotations = true
discard_unpacked_layers = false
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
runtime_type = "io.containerd.runc.v2"
pod_annotations = []
container_annotations = []
privileged_without_host_devices = false
base_runtime_spec = ""
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
NoPivotRoot = false
NoNewKeyring = false
ShimCgroup = ""
IoUid = 0
IoGid = 0
BinaryName = ""
Root = ""
CriuPath = ""
SystemdCgroup = false
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.crun]
runtime_type = "io.containerd.runc.v2"
pod_annotations = ["*.wasm.*", "wasm.*", "module.wasm.image/*", "*.module.wasm.image", "module.wasm.image/variant.*"]
privileged_without_host_devices = false
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.crun.options]
BinaryName = "/usr/local/sbin/crun"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.untrusted]
runtime_type = "io.containerd.runc.v2"
pod_annotations = []
container_annotations = []
privileged_without_host_devices = false
[plugins."io.containerd.grpc.v1.cri".cni]
bin_dir = "/opt/cni/bin"
conf_dir = "/etc/cni/net.d"
max_conf_num = 1
conf_template = ""
[plugins."io.containerd.grpc.v1.cri".registry]
config_path = "/etc/containerd/certs.d"
[plugins."io.containerd.service.v1.diff-service"]
default = ["walking"]
[plugins."io.containerd.gc.v1.scheduler"]
pause_threshold = 0.02
deletion_threshold = 0
mutation_threshold = 100
schedule_delay = "0s"
startup_delay = "100ms"

additional props?

NoPivotRoot = false
NoNewKeyring = false
ShimCgroup = ""
IoUid = 0
IoGid = 0
Root = ""
CriuPath = ""
SystemdCgroup = false
FROM ubuntu:18.04 as ubuntu18builder
RUN apt-get update
RUN apt-get install -y software-properties-common
# RUN add-apt-repository ppa:ubuntu-toolchain-r/test
RUN apt-get update
RUN apt-get install -y make git gcc-8 g++-8 build-essential pkgconf libtool \
libsystemd-dev libprotobuf-c-dev libcap-dev libseccomp-dev libyajl-dev \
libgcrypt20-dev go-md2man autoconf python3 automake \
cmake libboost-all-dev wget libssl-dev
ENV CC=gcc-8
ENV CXX=g++-8
RUN wget https://apt.llvm.org/llvm.sh
RUN chmod +x llvm.sh
RUN ./llvm.sh 12 all
RUN wget https://github.com/Kitware/CMake/releases/download/v3.25.1/cmake-3.25.1.tar.gz
RUN tar xvzf cmake-3.25.1.tar.gz
WORKDIR "/cmake-3.25.1"
RUN ./bootstrap && make && make install
WORKDIR "/"
RUN git clone --depth 1 --branch llvmorg-12.0.1 https://github.com/llvm/llvm-project llvm-project
RUN mkdir build
WORKDIR "/build"
RUN ls ../llvm-project
RUN cmake -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS=lld -DCMAKE_INSTALL_PREFIX=/usr/local ../llvm-project/llvm
RUN make install
WORKDIR "/"
RUN git clone --depth 1 -b 0.11.2 https://github.com/WasmEdge/WasmEdge.git
WORKDIR "/WasmEdge"
RUN mkdir build
WORKDIR "/WasmEdge/build"
RUN cmake -DCMAKE_BUILD_TYPE=Release -DWASMEDGE_BUILD_TESTS=ON .. && make -j && make install
WORKDIR "/"
RUN git clone --depth 1 -b 1.7.2 --recursive https://github.com/containers/crun.git
WORKDIR /crun
RUN ./autogen.sh
RUN ./configure --with-wasmedge
RUN make
RUN ./crun --version
FROM registry.access.redhat.com/ubi8/ubi-minimal
WORKDIR "/vendor/ubuntu_18_04"
COPY --from=ubuntu18builder /WasmEdge/build/lib/api/libwasmedge.so.0 /crun/crun /usr/lib/x86_64-linux-gnu/libyajl.so.2 ./
WORKDIR "/app"
COPY install.sh remove.sh ./
RUN chmod +x install.sh remove.sh
CMD ["/app/install.sh"]

validate

kubectl run -it --restart=Never wasi-demo --image=docker.io/wasmedge/example-wasi:latest --annotations="module.wasm.image/variant=compat-smart" --overrides='{"kind":"Pod", "apiVersion":"v1", "spec": {"hostNetwork": true, "runtimeClassName": "crun"}}' /wasi_example_main.wasm 50000000

crun config

[plugins."io.containerd.grpc.v1.cri".containerd]
  [plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
    [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.crun]
      runtime_type = "io.containerd.runc.v2"
      pod_annotations = ["*.wasm.*", "wasm.*", "module.wasm.image/*", "*.module.wasm.image", "module.wasm.image/variant.*"]
      privileged_without_host_devices = false
      [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.crun.options]
        BinaryName = "/usr/local/sbin/crun"

containerd config

cat /etc/containerd/config.toml 
# configuration is based on https://github.com/containerd/containerd/blob/v1.6.0-rc.1/docs/cri/config.md
version = 2
root = "/var/data/cripersistentstorage"
state = "/run/containerd"
oom_score = 0

[grpc]
  address = "/run/containerd/containerd.sock"
  uid = 0
  gid = 0
  max_recv_message_size = 16777216
  max_send_message_size = 16777216

[debug]
  address = ""
  uid = 0
  gid = 0
  level = ""

[metrics]
  address = "10.144.212.19:10210"
  grpc_histogram = false

[cgroup]
  path = "/podruntime/runtime"

[plugins]
  [plugins."io.containerd.monitor.v1.cgroups"]
    no_prometheus = false
  [plugins."io.containerd.grpc.v1.cri"]
    disable_tcp_service = true
    stream_server_address = "127.0.0.1"
    stream_server_port = "0"
    stream_idle_timeout = "15m"
    enable_selinux = false
    selinux_category_range = 1024
    sandbox_image = "de.icr.io/armada-master/pause:3.7"
    stats_collect_period = 10
    systemd_cgroup = false
    enable_tls_streaming = false
    tolerate_missing_hugetlb_controller = true
    ignore_image_defined_volumes = false
    [plugins."io.containerd.grpc.v1.cri".containerd]
      snapshotter = "overlayfs"
      default_runtime_name = "runc"
      no_pivot = false
      disable_snapshot_annotations = true
      discard_unpacked_layers = false
      [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
        runtime_type = "io.containerd.runc.v2"
        pod_annotations = []
        container_annotations = []
        privileged_without_host_devices = false
        base_runtime_spec = ""
        [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
          NoPivotRoot = false
          NoNewKeyring = false
          ShimCgroup = ""
          IoUid = 0
          IoGid = 0
          BinaryName = ""
          Root = ""
          CriuPath = ""
          SystemdCgroup = false
      [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.untrusted]
        runtime_type = "io.containerd.runc.v2"
        pod_annotations = []
        container_annotations = []
        privileged_without_host_devices = false
    [plugins."io.containerd.grpc.v1.cri".cni]
      bin_dir = "/opt/cni/bin"
      conf_dir = "/etc/cni/net.d"
      max_conf_num = 1
      conf_template = ""
    [plugins."io.containerd.grpc.v1.cri".registry]
      config_path = "/etc/containerd/certs.d"
  [plugins."io.containerd.service.v1.diff-service"]
    default = ["walking"]
  [plugins."io.containerd.gc.v1.scheduler"]
    pause_threshold = 0.02
    deletion_threshold = 0
    mutation_threshold = 100
    schedule_delay = "0s"
    startup_delay = "100ms"

runc location

which runc
/usr/local/sbin/runc

OS-RELEASE

cat /etc/os-release 
NAME="Ubuntu"
VERSION="18.04.6 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.6 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic
FROM ubuntu:18.04 as ubuntu18builder
RUN apt-get update
RUN apt-get install -y software-properties-common
RUN add-apt-repository ppa:ubuntu-toolchain-r/test
RUN apt-get update
RUN apt-get install -y make git gcc-10 g++-10 build-essential pkgconf libtool \
libsystemd-dev libprotobuf-c-dev libcap-dev libseccomp-dev libyajl-dev \
libgcrypt20-dev go-md2man autoconf python3 automake \
cmake libboost-all-dev wget libssl-dev
ENV CC=gcc-10
ENV CXX=g++-10
RUN wget https://apt.llvm.org/llvm.sh
RUN chmod +x llvm.sh
RUN ./llvm.sh 12 all
RUN wget https://github.com/Kitware/CMake/releases/download/v3.25.1/cmake-3.25.1.tar.gz
RUN tar xvzf cmake-3.25.1.tar.gz
WORKDIR "/cmake-3.25.1"
RUN ./bootstrap && make && make install
WORKDIR "/"
RUN git clone --depth 1 --branch llvmorg-12.0.1 https://github.com/llvm/llvm-project llvm-project
RUN mkdir build
WORKDIR "/build"
RUN ls ../llvm-project
RUN cmake -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS=lld -DCMAKE_INSTALL_PREFIX=/usr/local ../llvm-project/llvm
RUN make install
WORKDIR "/"
RUN git clone --depth 1 -b 0.11.2 https://github.com/WasmEdge/WasmEdge.git
WORKDIR "/WasmEdge"
RUN mkdir build
WORKDIR "/WasmEdge/build"
RUN cmake -DCMAKE_BUILD_TYPE=Release -DWASMEDGE_BUILD_TESTS=ON .. && make -j && make install
WORKDIR "/"
RUN git clone --depth 1 -b 1.7.2 --recursive https://github.com/containers/crun.git
WORKDIR /crun
RUN ./autogen.sh
RUN ./configure --with-wasmedge
RUN make
RUN ./crun --version
FROM registry.access.redhat.com/ubi8/ubi-minimal
WORKDIR "/vendor/ubuntu_18_04"
COPY --from=ubuntu18builder /WasmEdge/build/lib/api/libwasmedge.so.0 /crun/crun /usr/lib/x86_64-linux-gnu/libyajl.so.2 ./
WORKDIR "/app"
COPY install.sh remove.sh ./
RUN chmod +x install.sh remove.sh
CMD ["/app/install.sh"]
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