azure-container-networking/scripts/docker-del.sh

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#!/bin/bash
# Delete a docker container with network namespace cleaned up by the Azure CNI plugin.
# Example usage: ./docker-run.sh ubuntu default
if [ $# -ne 2 ]; then
echo "usage: docker-run.sh <container-name> <namespace>"
exit 1
fi
pid=$(docker inspect -f '{{ .State.Pid }}' $1)
netnspath=/proc/$pid/ns/net
contid=$(docker inspect -f '{{ .Id }}' $1)
export CNI_CONTAINERID=$contid
netns=netnspath
export CNI_PATH='/opt/cni/bin'
export CNI_COMMAND='DEL'
export PATH=$CNI_PATH:$PATH
export CNI_NETNS=$netns
args=$(printf "K8S_POD_NAMESPACE=%s;K8S_POD_NAME=%s" $2 $1)
export CNI_ARGS=$args
export CNI_IFNAME='eth0'
config=$(jq '.plugins[0]' /etc/cni/net.d/10-azure.conflist)
name=$(jq -r '.name' /etc/cni/net.d/10-azure.conflist)
config=$(echo $config | jq --arg name $name '. + {name: $name}')
cniVersion=$(jq -r '.cniVersion' /etc/cni/net.d/10-azure.conflist)
config=$(echo $config | jq --arg cniVersion $cniVersion '. + {cniVersion: $cniVersion}')
res=$(echo $config | azure-vnet)
if [ $? -ne 0 ]; then
errmsg=$(echo $res | jq -r '.msg')
if [ -z "$errmsg" ]; then
errmsg=$res
fi
echo "${name} : error executing $CNI_COMMAND: $errmsg"
exit 1
elif [[ ${DEBUG} -gt 0 ]]; then
echo ${res} | jq -r .
fi
docker rm -f $1