├── .dockerignore ├── .github └── workflows │ └── docker-build.yaml ├── LICENSE ├── README.md ├── example ├── daemonset.yaml ├── debug.yaml ├── install-job.yaml ├── runtimeclass.yaml └── test-job.yaml ├── images └── installer │ └── Dockerfile └── script └── installer.sh /.dockerignore: -------------------------------------------------------------------------------- 1 | example 2 | images -------------------------------------------------------------------------------- /.github/workflows/docker-build.yaml: -------------------------------------------------------------------------------- 1 | name: Docker Image CI 2 | 3 | on: 4 | push: 5 | branches: [ main ] 6 | tags: [ '*' ] 7 | pull_request: 8 | branches: [ main ] 9 | 10 | permissions: 11 | # Required for requesting the GitHub Token 12 | id-token: write 13 | # Required for pushing images to GitHub Container Registry 14 | packages: write 15 | 16 | env: 17 | REGISTRY: ghcr.io 18 | IMAGE_NAME: ${{ github.repository }} 19 | 20 | jobs: 21 | buildx: 22 | runs-on: nscloud 23 | steps: 24 | - 25 | name: Checkout 26 | uses: actions/checkout@v4 27 | - 28 | name: Log in to the Container registry 29 | uses: docker/login-action@v2 30 | with: 31 | registry: ${{ env.REGISTRY }} 32 | username: ${{ github.actor }} 33 | password: ${{ secrets.GITHUB_TOKEN }} 34 | - 35 | name: Extract metadata (tags, labels) for Docker 36 | id: meta 37 | uses: docker/metadata-action@v4 38 | with: 39 | images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} 40 | - 41 | # Install CLI and authenticate to Namespace 42 | name: Install and configure Namespace CLI 43 | uses: namespacelabs/nscloud-setup@v0 44 | - 45 | # Setup docker build to use your Namespace workspace builder 46 | name: Set up Namespace Buildx 47 | uses: namespacelabs/nscloud-setup-buildx-action@v0 48 | # TODO: make builds from latest main branch conditional 49 | # - name: Build runwasi as static muls for amd64 and arm64 50 | # run: | 51 | # git clone --branch main --depth 1 https://github.com/containerd/runwasi.git && 52 | # cd runwasi && 53 | # docker build --platform=linux/arm64,linux/amd64 --build-arg BASE_IMAGE=alpine --build-arg CRATE="containerd-shim-wasmtime,containerd-shim-wasmedge,containerd-shim-wasmer" -t nscr.io/a8fcp47vcfori/build-runwasi --push . && 54 | # cd - 55 | - 56 | name: Build and push Docker image 57 | uses: docker/build-push-action@v4 58 | with: 59 | context: . 60 | push: true 61 | platforms: linux/amd64,linux/arm64 62 | # build-args: | 63 | # CONTAINERD_RUNWASI=nscr.io/a8fcp47vcfori/build-runwasi 64 | tags: ${{ steps.meta.outputs.tags }} 65 | file: images/installer/Dockerfile 66 | labels: ${{ steps.meta.outputs.labels }} 67 | cache-from: type=gha 68 | cache-to: type=gha,mode=max 69 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We recommend using a fresh KinD/MiniKube/MicroK8s or a managed cloud service like AKS/GKE/EKS. 10 | 11 | ## Supported Kubernetes distributions 12 | 13 | - KinD 14 | - MiniKube 15 | - MicroK8s 16 | - Rancher RKE2 17 | - Azure AKS 18 | - GCP GKE (Ubuntu Nodes) 19 | - AWS EKS (AmazonLinux2) 20 | - AWS EKS (Ubuntu Nodes) 21 | - Digital Ocean Kubernetes 22 | 23 | ## Currently not supported Kubernetes distributions 24 | 25 | - OCI OKE 26 | - OpenShift 27 | 28 | ## Quickstart 29 | 30 | ### KinD 31 | 32 | Prerequisites: 33 | 34 | - Docker 35 | - KinD 36 | - kubectl 37 | 38 | ```bash 39 | kind create cluster 40 | 41 | # As default crun-wasmedge is used for installation. 42 | kubectl apply -f https://raw.githubusercontent.com/KWasm/kwasm-node-installer/main/example/daemonset.yaml 43 | 44 | 45 | kubectl apply -f https://raw.githubusercontent.com/KWasm/kwasm-node-installer/main/example/test-job.yaml 46 | ``` 47 | 48 | ## How to build 49 | 50 | The dockerfile `images/installer/Dockerfile` has multiple stages by building it you create an image that contains a crun version built with WasmEdge support and one with WasmTime. If you only need one of them you can use a different stage with the target parameter `--target crun-wasmedge` or `--target crun-wasmtime`. 51 | 52 | ```bash 53 | docker build . -f images/installer/Dockerfile -t kwasm/kwasm-installer 54 | ``` 55 | -------------------------------------------------------------------------------- /example/daemonset.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: apps/v1 2 | kind: DaemonSet 3 | metadata: 4 | name: kwasm-initializer 5 | labels: 6 | app: default-init 7 | spec: 8 | selector: 9 | matchLabels: 10 | app: default-init 11 | updateStrategy: 12 | type: RollingUpdate 13 | template: 14 | metadata: 15 | labels: 16 | name: kwasm-initializer 17 | app: default-init 18 | spec: 19 | hostPID: true 20 | volumes: 21 | - name: node-root 22 | hostPath: 23 | path: / 24 | - name: entrypoint 25 | configMap: 26 | name: entrypoint 27 | defaultMode: 0744 28 | initContainers: 29 | - image: ghcr.io/kwasm/kwasm-node-installer:main 30 | name: kwasm-initializer 31 | env: 32 | - name: NODE_ROOT 33 | value: /mnt/node-root 34 | securityContext: 35 | privileged: true 36 | volumeMounts: 37 | - name: node-root 38 | mountPath: /mnt/node-root/ 39 | containers: 40 | - image: k8s.gcr.io/pause:3.1 41 | name: pause 42 | -------------------------------------------------------------------------------- /example/debug.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: apps/v1 2 | kind: DaemonSet 3 | metadata: 4 | name: kwasm-debug 5 | labels: 6 | app: default 7 | spec: 8 | selector: 9 | matchLabels: 10 | app: default 11 | updateStrategy: 12 | type: RollingUpdate 13 | template: 14 | metadata: 15 | labels: 16 | name: kwasm-debug 17 | app: default 18 | spec: 19 | hostPID: true 20 | volumes: 21 | - name: node-root 22 | hostPath: 23 | path: / 24 | - name: entrypoint 25 | configMap: 26 | name: entrypoint 27 | defaultMode: 0744 28 | containers: 29 | - image: ubuntu 30 | name: kwasm-debug 31 | command: 32 | - sh 33 | - -c 34 | - "tail -f /dev/null" 35 | env: 36 | - name: NODE_ROOT 37 | value: /mnt/node-root 38 | securityContext: 39 | privileged: true 40 | volumeMounts: 41 | - name: node-root 42 | mountPath: /mnt/node-root/ 43 | -------------------------------------------------------------------------------- /example/install-job.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: batch/v1 2 | kind: Job 3 | metadata: 4 | creationTimestamp: null 5 | name: default-init 6 | spec: 7 | template: 8 | metadata: 9 | labels: 10 | name: kwasm-initializer 11 | app: default-init 12 | spec: 13 | restartPolicy: Never 14 | hostPID: true 15 | volumes: 16 | - name: node-root 17 | hostPath: 18 | path: / 19 | - name: entrypoint 20 | configMap: 21 | name: entrypoint 22 | defaultMode: 0744 23 | containers: 24 | - image: ghcr.io/kwasm/kwasm-node-installer:master 25 | name: kwasm-initializer 26 | env: 27 | - name: NODE_ROOT 28 | value: /mnt/node-root 29 | securityContext: 30 | privileged: true 31 | volumeMounts: 32 | - name: node-root 33 | mountPath: /mnt/node-root/ 34 | backoffLimit: 1 35 | -------------------------------------------------------------------------------- /example/runtimeclass.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: node.k8s.io/v1 2 | kind: RuntimeClass 3 | metadata: 4 | name: crun 5 | handler: crun 6 | -------------------------------------------------------------------------------- /example/test-job.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: node.k8s.io/v1 2 | kind: RuntimeClass 3 | metadata: 4 | name: wasmedge 5 | handler: wasmedge 6 | --- 7 | apiVersion: batch/v1 8 | kind: Job 9 | metadata: 10 | creationTimestamp: null 11 | name: wasm-test 12 | spec: 13 | template: 14 | metadata: 15 | annotations: 16 | module.wasm.image/variant: compat-smart 17 | creationTimestamp: null 18 | spec: 19 | containers: 20 | - image: wasmedge/example-wasi:latest 21 | name: wasm-test 22 | resources: {} 23 | restartPolicy: Never 24 | runtimeClassName: wasmedge 25 | backoffLimit: 1 26 | -------------------------------------------------------------------------------- /images/installer/Dockerfile: -------------------------------------------------------------------------------- 1 | ARG CONTAINERD_RUNWASI="download-containerd-runwasi" 2 | 3 | FROM ubuntu:22.04 AS download-containerd-runwasi 4 | RUN DEBIAN_FRONTEND=noninteractive apt-get update \ 5 | && DEBIAN_FRONTEND=noninteractive apt-get install -y curl 6 | 7 | RUN mkdir -p /release/bin/ \ 8 | && curl -L https://github.com/containerd/runwasi/releases/download/containerd-shim-wasmedge%2Fv0.3.0/containerd-shim-wasmedge-$(uname -m | sed s/arm64/aarch64/g | sed s/amd64/x86_64/g).tar.gz | tar -xzf - -C /release/bin/ \ 9 | && curl -L https://github.com/containerd/runwasi/releases/download/containerd-shim-wasmtime%2Fv0.3.0/containerd-shim-wasmtime-$(uname -m | sed s/arm64/aarch64/g | sed s/amd64/x86_64/g).tar.gz | tar -xzf - -C /release/bin/ \ 10 | && curl -L https://github.com/containerd/runwasi/releases/download/containerd-shim-wasmer%2Fv0.3.0/containerd-shim-wasmer-$(uname -m | sed s/arm64/aarch64/g | sed s/amd64/x86_64/g).tar.gz | tar -xzf - -C /release/bin/ 11 | 12 | FROM ${CONTAINERD_RUNWASI} AS containerd_runwasi 13 | 14 | FROM ubuntu:22.04 AS deislabs_containerd-wasm-shims 15 | 16 | RUN DEBIAN_FRONTEND=noninteractive apt-get update \ 17 | && DEBIAN_FRONTEND=noninteractive apt-get install -y curl 18 | 19 | RUN mkdir /assets \ 20 | && curl -L https://github.com/deislabs/containerd-wasm-shims/releases/download/v0.11.1/containerd-wasm-shims-v1-lunatic-linux-$(uname -m).tar.gz | tar -xzf - -C /assets \ 21 | && curl -L https://github.com/deislabs/containerd-wasm-shims/releases/download/v0.11.1/containerd-wasm-shims-v1-slight-linux-$(uname -m).tar.gz | tar -xzf - -C /assets \ 22 | && curl -L https://github.com/deislabs/containerd-wasm-shims/releases/download/v0.11.1/containerd-wasm-shims-v2-spin-linux-$(uname -m).tar.gz | tar -xzf - -C /assets \ 23 | && curl -L https://github.com/deislabs/containerd-wasm-shims/releases/download/v0.11.1/containerd-wasm-shims-v1-wws-linux-$(uname -m).tar.gz | tar -xzf - -C /assets 24 | 25 | 26 | FROM busybox 27 | 28 | COPY script/installer.sh /script/installer.sh 29 | COPY --link --from=deislabs_containerd-wasm-shims /assets /assets 30 | COPY --link --from=containerd_runwasi /release/bin/containerd-shim-wasmedge-v1 /assets/ 31 | COPY --link --from=containerd_runwasi /release/bin/containerd-shim-wasmer-v1 /assets/ 32 | COPY --link --from=containerd_runwasi /release/bin/containerd-shim-wasmtime-v1 /assets/ 33 | CMD sh /script/installer.sh wasmedge 34 | -------------------------------------------------------------------------------- /script/installer.sh: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | set -euo pipefail 3 | 4 | KWASM_DIR=/opt/kwasm 5 | 6 | CONTAINERD_CONF=/etc/containerd/config.toml 7 | IS_MICROK8S=false 8 | IS_K3S=false 9 | IS_RKE2_AGENT=false 10 | if ps aux | grep kubelet | grep -q snap/microk8s; then 11 | CONTAINERD_CONF=/var/snap/microk8s/current/args/containerd-template.toml 12 | IS_MICROK8S=true 13 | if nsenter -m/$NODE_ROOT/proc/1/ns/mnt -- ls /var/snap/microk8s/current/args/containerd-template.toml > /dev/null 2>&1 ;then 14 | KWASM_DIR=/var/snap/microk8s/common/kwasm 15 | else 16 | echo "Installer seems to run on microk8s but 'containerd-template.toml' not found." 17 | exit 1 18 | fi 19 | elif ls $NODE_ROOT/var/lib/rancher/rke2/agent/etc/containerd/config.toml > /dev/null 2>&1 ; then 20 | IS_RKE2_AGENT=true 21 | cp $NODE_ROOT/var/lib/rancher/rke2/agent/etc/containerd/config.toml $NODE_ROOT/var/lib/rancher/rke2/agent/etc/containerd/config.toml.tmpl 22 | CONTAINERD_CONF=/var/lib/rancher/rke2/agent/etc/containerd/config.toml.tmpl 23 | elif ls $NODE_ROOT/var/lib/rancher/k3s/agent/etc/containerd/config.toml > /dev/null 2>&1 ; then 24 | IS_K3S=true 25 | cp $NODE_ROOT/var/lib/rancher/k3s/agent/etc/containerd/config.toml $NODE_ROOT/var/lib/rancher/k3s/agent/etc/containerd/config.toml.tmpl 26 | CONTAINERD_CONF=/var/lib/rancher/k3s/agent/etc/containerd/config.toml.tmpl 27 | fi 28 | 29 | mkdir -p $NODE_ROOT$KWASM_DIR/bin/ 30 | 31 | cp /assets/containerd-shim-* $NODE_ROOT$KWASM_DIR/bin/ 32 | 33 | # TODO check if runtime config is already present 34 | if ! grep -q wasmtime $NODE_ROOT$CONTAINERD_CONF; then 35 | echo ' 36 | [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.lunatic] 37 | runtime_type = "'$KWASM_DIR'/bin/containerd-shim-lunatic-v1" 38 | [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.slight] 39 | runtime_type = "'$KWASM_DIR'/bin/containerd-shim-slight-v1" 40 | [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.spin] 41 | runtime_type = "'$KWASM_DIR'/bin/containerd-shim-spin-v2" 42 | [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.wws] 43 | runtime_type = "'$KWASM_DIR'/bin/containerd-shim-wws-v1" 44 | [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.wasmedge] 45 | runtime_type = "'$KWASM_DIR'/bin/containerd-shim-wasmedge-v1" 46 | [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.wasmer] 47 | runtime_type = "'$KWASM_DIR'/bin/containerd-shim-wasmer-v1" 48 | [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.wasmtime] 49 | runtime_type = "'$KWASM_DIR'/bin/containerd-shim-wasmtime-v1" 50 | ' >> $NODE_ROOT$CONTAINERD_CONF 51 | rm -Rf $NODE_ROOT$KWASM_DIR/active 52 | fi 53 | 54 | if [ ! -f $NODE_ROOT$KWASM_DIR/active ]; then 55 | touch $NODE_ROOT$KWASM_DIR/active 56 | if $IS_MICROK8S; then 57 | nsenter -m/$NODE_ROOT/proc/1/ns/mnt -- systemctl restart snap.microk8s.daemon-containerd 58 | elif ls $NODE_ROOT/etc/init.d/containerd > /dev/null 2>&1 ; then 59 | nsenter --target 1 --mount --uts --ipc --net -- /etc/init.d/containerd restart 60 | elif ls $NODE_ROOT/etc/init.d/k3s > /dev/null 2>&1 ; then 61 | nsenter --target 1 --mount --uts --ipc --net -- /etc/init.d/k3s restart 62 | elif $IS_RKE2_AGENT; then 63 | nsenter --target 1 --mount --uts --ipc --net -- /bin/systemctl restart rke2-agent 64 | else 65 | nsenter -m/$NODE_ROOT/proc/1/ns/mnt -- /bin/systemctl restart containerd 66 | fi 67 | else 68 | echo "No change in containerd/config.toml" 69 | fi 70 | --------------------------------------------------------------------------------