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#!/bin/bash
# SPDX-license-identifier: Apache-2.0
##############################################################################
# Copyright (c) 2018
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
set -o errexit
set -o nounset
set -o pipefail
rm -f $HOME/*.yaml
pod_name=multus-pod
deployment_name=multus-deployment
cat << NET > $HOME/bridge-network.yaml
apiVersion: "kubernetes.cni.cncf.io/v1"
kind: Network
metadata:
name: bridge-conf
spec:
config: '{
"name": "mynet",
"type": "bridge",
"ipam": {
"type": "host-local",
"subnet": "10.10.0.0/16"
}
}'
NET
cat << POD > $HOME/$pod_name.yaml
apiVersion: v1
kind: Pod
metadata:
name: $pod_name
annotations:
kubernetes.v1.cni.cncf.io/networks: '[
{ "name": "bridge-conf", "interfaceRequest": "eth1" },
{ "name": "bridge-conf", "interfaceRequest": "eth2" }
]'
spec: # specification of the pod's contents
containers:
- name: $pod_name
image: "busybox"
command: ["top"]
stdin: true
tty: true
POD
cat << DEPLOYMENT > $HOME/$deployment_name.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: $deployment_name
labels:
app: multus
spec:
replicas: 1
selector:
matchLabels:
app: multus
template:
metadata:
labels:
app: multus
annotations:
kubernetes.v1.cni.cncf.io/networks: '[
{ "name": "bridge-conf", "interfaceRequest": "eth1" },
{ "name": "bridge-conf", "interfaceRequest": "eth2" }
]'
spec:
containers:
- name: $deployment_name
image: "busybox"
command: ["top"]
stdin: true
tty: true
DEPLOYMENT
if $(kubectl version &>/dev/null); then
kubectl apply -f $HOME/bridge-network.yaml
kubectl delete pod $pod_name --ignore-not-found=true --now
kubectl delete deployment $deployment_name --ignore-not-found=true --now
while kubectl get pod $pod_name &>/dev/null; do
sleep 5
done
kubectl create -f $HOME/$pod_name.yaml
while kubectl get deployment $deployment_name &>/dev/null; do
sleep 5
done
kubectl create -f $HOME/$deployment_name.yaml
sleep 5
deployment_pod=$(kubectl get pods | grep $deployment_name | awk '{print $1}')
for pod in $pod_name $deployment_pod; do
status_phase=""
while [[ $status_phase != "Running" ]]; do
new_phase=$(kubectl get pods $pod | awk 'NR==2{print $3}')
if [[ $new_phase != $status_phase ]]; then
echo "$(date +%H:%M:%S) - $pod : $new_phase"
status_phase=$new_phase
fi
if [[ $new_phase == "Err"* ]]; then
exit 1
fi
done
done
for pod in $pod_name $deployment_pod; do
echo "===== $pod details ====="
kubectl exec -it $pod -- ip a
multus_nic=$(kubectl exec -it $pod -- ifconfig | grep "eth1")
if [ -z "$multus_nic" ]; then
exit 1
fi
done
fi
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