mirror of
https://github.com/optim-enterprises-bv/openstack-helm.git
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22488a5c14
We get transient DNS failures, having a second DNS server should help. Change-Id: I8307ba0c2b8f2b12eb714dfd8b7034c7645ff288
86 lines
2.6 KiB
Bash
Executable File
86 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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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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function net_default_iface {
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sudo ip -4 route list 0/0 | awk '{ print $5; exit }'
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}
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function net_default_host_addr {
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sudo ip addr | awk "/inet / && /$(net_default_iface)/{print \$2; exit }"
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}
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function net_default_host_ip {
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echo $(net_default_host_addr) | awk -F '/' '{ print $1; exit }'
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}
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function net_resolv_pre_kube {
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sudo cp -f /etc/resolv.conf /etc/resolv-pre-kube.conf
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sudo rm -f /etc/resolv.conf
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cat << EOF | sudo tee /etc/resolv.conf
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nameserver ${UPSTREAM_DNS1}
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nameserver ${UPSTREAM_DNS2}
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EOF
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}
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function net_resolv_post_kube {
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sudo cp -f /etc/resolv-pre-kube.conf /etc/resolv.conf
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}
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function net_hosts_pre_kube {
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sudo cp -f /etc/hosts /etc/hosts-pre-kube
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sudo sed -i "/$(hostname)/d" /etc/hosts
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echo "$(net_default_host_ip) $(hostname)" | sudo tee -a /etc/hosts
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}
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function net_hosts_post_kube {
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sudo cp -f /etc/hosts-pre-kube /etc/hosts
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}
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function find_subnet_range {
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if [ "x$HOST_OS" == "xubuntu" ]; then
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ipcalc $(net_default_host_addr) | awk '/^Network/ { print $2 }'
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else
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eval $(ipcalc --network --prefix $(net_default_host_addr))
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echo "$NETWORK/$PREFIX"
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fi
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}
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function find_multi_subnet_range {
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: ${PRIMARY_NODE_IP:="$(cat /etc/nodepool/primary_node | tail -1)"}
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: ${SUB_NODE_IPS:="$(cat /etc/nodepool/sub_nodes)"}
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NODE_IPS="${PRIMARY_NODE_IP} ${SUB_NODE_IPS}"
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NODE_IP_UNSORTED=$(mktemp --suffix=.txt)
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for NODE_IP in $NODE_IPS; do
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echo $NODE_IP >> ${NODE_IP_UNSORTED}
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done
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NODE_IP_SORTED=$(mktemp --suffix=.txt)
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sort -V ${NODE_IP_UNSORTED} > ${NODE_IP_SORTED}
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rm -f ${NODE_IP_UNSORTED}
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FIRST_IP_SUBNET=$(ipcalc "$(head -n 1 ${NODE_IP_SORTED})/24" | awk '/^Network/ { print $2 }')
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LAST_IP_SUBNET=$(ipcalc "$(tail -n 1 ${NODE_IP_SORTED})/24" | awk '/^Network/ { print $2 }')
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rm -f ${NODE_IP_SORTED}
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function ip_diff {
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echo $(($(echo $LAST_IP_SUBNET | awk -F '.' "{ print \$$1}") - $(echo $FIRST_IP_SUBNET | awk -F '.' "{ print \$$1}")))
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}
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for X in {1..4}; do
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if ! [ "$(ip_diff $X)" -eq "0" ]; then
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SUBMASK=$(((($X - 1 )) * 8))
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break
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elif [ $X -eq "4" ]; then
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SUBMASK=24
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fi
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done
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echo ${FIRST_IP_SUBNET%/*}/${SUBMASK}
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}
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