33a575f49d
When plugin errors out, it prints out a JSON object to stdout describing the failure. This object needs to be propagated out through the plugins and to the container runtime. This change also adds Print method to both the result and error structs for easy serialization to stdout.
42 lines
891 B
Bash
Executable File
42 lines
891 B
Bash
Executable File
#!/bin/bash
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NETCONFPATH=${NETCONFPATH-/etc/cni/net.d}
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function exec_plugins() {
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i=0
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contid=$2
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netns=$3
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export CNI_COMMAND=$(echo $1 | tr '[:lower:]' '[:upper:]')
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export PATH=$CNI_PATH:$PATH
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export CNI_CONTAINERID=$contid
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export CNI_NETNS=$netns
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for netconf in $(echo $NETCONFPATH/*.conf | sort); do
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name=$(jq -r '.name' <$netconf)
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plugin=$(jq -r '.type' <$netconf)
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export CNI_IFNAME=$(printf eth%d $i)
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res=$($plugin <$netconf)
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if [ $? -ne 0 ]; then
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errmsg=$(echo $res | jq -r '.msg')
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if [ -z "$errmsg" ]; then
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errmsg=$res
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fi
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echo "${name} : error executing $CNI_COMMAND: $errmsg"
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exit 1
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fi
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let "i=i+1"
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done
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}
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if [ $# -ne 3 ]; then
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echo "Usage: $0 add|del CONTAINER-ID NETNS-PATH"
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echo " Adds or deletes the container specified by NETNS-PATH to the networks"
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echo " specified in \$NETCONFPATH directory"
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exit 1
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fi
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exec_plugins $1 $2 $3
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