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#!/usr/bin/env bash
if [[ ${DEBUG} -gt 0 ]]; then set -x; fi
NETCONFPATH=${NETCONFPATH-/etc/cni/net.d}
function exec_plugins() {
i=0
contid=$2
netns=$3
export CNI_COMMAND=$(echo $1 | tr '[:lower:]' '[:upper:]')
export PATH=$CNI_PATH:$PATH
export CNI_CONTAINERID=$contid
export CNI_NETNS=$netns
for netconf in $(echo $NETCONFPATH/*.conf | sort); do
name=$(jq -r '.name' <$netconf)
plugin=$(jq -r '.type' <$netconf)
export CNI_IFNAME=$(printf eth%d $i)
res=$($plugin <$netconf)
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
let "i=i+1"
done
}
if [ $# -ne 3 ]; then
echo "Usage: $0 add|del CONTAINER-ID NETNS-PATH"
echo " Adds or deletes the container specified by NETNS-PATH to the networks"
echo " specified in \$NETCONFPATH directory"
exit 1
fi
exec_plugins $1 $2 $3
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