magnum/magnum/templates/kubernetes/fragments/write-network-config.sh

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#!/bin/sh
. /etc/sysconfig/heat-params
if [ "$NETWORK_DRIVER" != "flannel" ]; then
exit 0
fi
. /etc/sysconfig/flanneld
FLANNEL_JSON=/etc/sysconfig/flannel-network.json
FLANNELD_CONFIG=/etc/sysconfig/flanneld
FLANNEL_NETWORK_CIDR="$FLANNEL_NETWORK_CIDR"
FLANNEL_NETWORK_SUBNETLEN="$FLANNEL_NETWORK_SUBNETLEN"
FLANNEL_USE_VXLAN="$FLANNEL_USE_VXLAN"
sed -i '
/^FLANNEL_ETCD=/ s/=.*/="http:\/\/127.0.0.1:2379"/
' /etc/sysconfig/flanneld
if [ "$FLANNEL_USE_VXLAN" == "true" ]; then
use_vxlan=1
fi
# Generate a flannel configuration that we will
# store into etcd using curl.
cat > $FLANNEL_JSON <<EOF
{
"Network": "$FLANNEL_NETWORK_CIDR",
"Subnetlen": $FLANNEL_NETWORK_SUBNETLEN
EOF
if [ "$use_vxlan" = 1 ]; then
cat >> $FLANNEL_JSON <<EOF
,
"Backend": {
"Type": "vxlan"
}
EOF
fi
cat >> $FLANNEL_JSON <<EOF
}
EOF