50 lines
1.8 KiB
Bash
50 lines
1.8 KiB
Bash
#!/bin/bash
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# Copyright 2018 The Openstack-Helm Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -ex
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COMMAND="${@:-start}"
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# The following are standard ironic pod environment variables
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# PROVISIONING_IP - IP address we expect to assign to provisioning bridge
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# PROVISIONING_INTERFACE - the physical interface name, normally 'provisioning'
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# to reflect a bridge named provisioning with eno4 as a member
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function test_vip () {
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ip addr show ${PROVISIONING_INTERFACE} | \
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awk "/inet / && /${PROVISIONING_INTERFACE}/{print \$2 }" | \
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awk -F '/' '{ print $1 }' | \
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grep -q "${PROVISIONING_IP%/*}"
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}
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function start () {
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ip link show ${PROVISIONING_INTERFACE} > /dev/null || ip link add ${PROVISIONING_INTERFACE} type dummy
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if ! test_vip; then
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ip addr add ${PROVISIONING_IP}/32 dev ${PROVISIONING_INTERFACE}
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fi
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ip link set ${PROVISIONING_INTERFACE} up
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garp_interface=$(ip route list match "${PROVISIONING_IP}" scope link | \
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awk '$2 == "dev" { print $3; exit }')
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if [ -n "${garp_interface}" ]; then
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arping -U -c 3 -I "${garp_interface}" "${PROVISIONING_IP%/*}" || true
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fi
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}
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function sleep () {
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exec bash -c "while :; do sleep 2073600; done"
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}
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function stop () {
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ip link show ${PROVISIONING_INTERFACE} > /dev/null || exit 0
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if test_vip; then
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ip addr del ${PROVISIONING_IP}/32 dev ${PROVISIONING_INTERFACE}
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fi
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}
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$COMMAND
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