Last active
December 23, 2021 02:08
-
-
Save brianthelion/ff6f322bcf46e363c64ed53dabc659a5 to your computer and use it in GitHub Desktop.
Complete example of how to run multus on kind with limited shenanigans
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
set -ex | |
RND=$(openssl rand -hex 12) | |
NET=net-${RND} | |
IFACE=if-${RND} | |
CLUSTER=cl-${RND} | |
TMP=$(mktemp -d) | |
CFG=${TMP}/config.yaml | |
LOG=${TMP}/log | |
POD=${TMP}/pod | |
NAD=${TMP}/nad | |
URL="https://raw.githubusercontent.com/k8snetworkplumbingwg/multus-cni/master/deployments/multus-daemonset.yml" | |
SHA="5238fbb2767cbf6aae736ad97a7aa29167525dcd405196dfbc064672a730d3cf cni-plugins-linux-amd64-v1.0.1.tgz" | |
CNIS="https://github.com/containernetworking/plugins/releases/download/v1.0.1/cni-plugins-linux-amd64-v1.0.1.tgz" | |
KIND=$(which kind) | |
cat <<EOF > ${CFG} | |
kind: Cluster | |
apiVersion: kind.x-k8s.io/v1alpha4 | |
nodes: | |
- role: control-plane | |
- role: worker | |
EOF | |
${KIND} create cluster --name ${CLUSTER} --config ${CFG} | |
${KIND} load docker-image centos:latest --name ${CLUSTER} | |
kubectl cluster-info kind-${CLUSTER} | |
docker network create ${NET} | |
for NODE in $(${KIND} get nodes --name ${CLUSTER}); do | |
docker network connect ${NET} ${NODE} | |
docker exec -it ${NODE} bash -c "test -f /opt/cni/macvlan || curl -sL ${CNIS} | tar -xvz -C /opt/cni/bin" | |
done | |
kubectl apply -f ${URL} | |
kubectl get pods -A | |
sleep 90 | |
kubectl get pods -A | |
cat <<EOF > ${NAD} | |
apiVersion: "k8s.cni.cncf.io/v1" | |
kind: NetworkAttachmentDefinition | |
metadata: | |
name: dlan-conf | |
spec: | |
config: '{ | |
"cniVersion": "0.3.1", | |
"type": "macvlan", | |
"master": "eth1", | |
"mode": "bridge" | |
}' | |
EOF | |
cat <<EOF > ${POD} | |
apiVersion: v1 | |
kind: Pod | |
metadata: | |
name: dlan-test | |
annotations: | |
k8s.v1.cni.cncf.io/networks: dlan-conf@dlan0 | |
spec: | |
containers: | |
- name: dlan-test | |
image: centos:latest | |
command: ["/bin/sh", "-c"] | |
args: ["sleep infinity"] | |
nodeName: ${CLUSTER}-worker | |
EOF | |
kubectl apply -f ${NAD} | |
kubectl apply -f ${POD} | |
kubectl wait --for=condition=ready -f ${POD} --timeout=60s || \ | |
kubectl cluster-info dump kind-${CLUSTER} > ${LOG} | |
kubectl exec -it dlan-test -- ip -br link show |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment