166 lines
5.2 KiB
Bash
Executable File
166 lines
5.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
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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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###############################################################################
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# #
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# Set up and deploy an Airship environment for demonstration purposes. #
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# Many of the defaults and sources used here are NOT production ready, and #
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# this should not be used as a copy/paste source for any production use. #
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# #
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###############################################################################
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AIAB_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
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usage ()
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{
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echo "Usage: $(basename $0) {-y|-h}" 1>&2
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echo " -y don't ask questions, trust autodetection" 1>&2
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echo " -h this help" 1>&2
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}
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# See how we were called.
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case "$1" in
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"" ) ;;
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"-y" ) ASSUME_YES=1;;
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"-h"|* ) usage; exit 1;;
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esac
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echo ""
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echo "Welcome to Airship in a Bottle"
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echo ""
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echo " /--------------------\\"
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echo "| \\"
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echo "| |---| \\----"
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echo "| | x | \\"
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echo "| |---| |"
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echo "| | /"
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echo "| \____|____/ /----"
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echo "| /"
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echo " \--------------------/"
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echo ""
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echo ""
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echo "A prototype example of deploying the Airship suite on a single VM."
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echo ""
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sleep 1
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echo ""
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echo "This example will run through:"
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echo " - Setup"
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echo " - Genesis of Airship (Kubernetes)"
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echo " - Basic deployment of Openstack (including Nova, Neutron, and Horizon using Openstack Helm)"
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echo " - VM creation automation using Heat"
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echo ""
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echo "The expected runtime of this script is greater than 1 hour"
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echo ""
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sleep 1
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echo ""
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echo "The minimum recommended size of the Ubuntu 16.04 VM is 4 vCPUs, 20GB of RAM with 32GB disk space."
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CPU_COUNT=$(grep -c processor /proc/cpuinfo)
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RAM_TOTAL=$(awk '/MemTotal/ {print $2}' /proc/meminfo)
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# Blindly assume that all storage on this VM is under root FS
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DISK_SIZE=$(df --output=source,size / | awk '/dev/ {print $2}')
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source /etc/os-release
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if [[ $CPU_COUNT -lt 4 || $RAM_TOTAL -lt 20000000 || $DISK_SIZE -lt 30000000 || $NAME != "Ubuntu" || $VERSION_ID != "16.04" ]]; then
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echo "Error: minimum VM recommendations are not met. Exiting."
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exit 1
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fi
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if [[ $(id -u) -ne 0 ]]; then
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echo "Please execute this script as root!"
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exit 1
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fi
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sleep 1
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echo "Let's collect some information about your VM to get started."
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sleep 1
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# IP and Hostname setup
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get_local_ip ()
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{
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ip addr | awk "/inet/ && /${HOST_IFACE}/{sub(/\/.*$/,\"\",\$2); print \$2}"
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}
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HOST_IFACE=$(ip route | grep "^default" | head -1 | awk '{ print $5 }')
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LOCAL_IP=$(get_local_ip)
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if [[ $ASSUME_YES -ne 1 ]]; then
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read -p "Is your HOST IFACE $HOST_IFACE? (Y/n) " YN_HI
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if [[ ! "$YN_HI" =~ ^([yY]|"")$ ]]; then
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read -p "What is your HOST IFACE? " HOST_IFACE
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fi
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LOCAL_IP=$(get_local_ip)
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read -p "Is your LOCAL IP $LOCAL_IP? (Y/n) " YN_IP
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if [[ ! "$YN_IP" =~ ^([yY]|"")$ ]]; then
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read -p "What is your LOCAL IP? " LOCAL_IP
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fi
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fi
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# Shells out to get the hostname for the single-node deployment to avoid some
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# config conflicts
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set -x
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export SHORT_HOSTNAME=$(hostname -s)
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set +x
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# Updates the /etc/hosts file
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HOSTS="${LOCAL_IP} ${SHORT_HOSTNAME}"
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HOSTS_REGEX="${LOCAL_IP}.*${SHORT_HOSTNAME}"
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if grep -q "$HOSTS_REGEX" "/etc/hosts"; then
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echo "Not updating /etc/hosts, entry ${HOSTS} already exists."
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else
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echo "Updating /etc/hosts with: ${HOSTS}"
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cat << EOF | tee -a /etc/hosts
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$HOSTS
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EOF
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fi
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# x/32 will work for CEPH in a single node deploy.
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CIDR="$LOCAL_IP/32"
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# Variable setup
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set -x
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# The IP address of the genesis node
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export HOSTIP=$LOCAL_IP
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# The CIDR of the network for the genesis node
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export HOSTCIDR=$CIDR
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# The network interface on the genesis node
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export NODE_NET_IFACE=$HOST_IFACE
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export TARGET_SITE="aiab"
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set +x
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# Changes DNS servers in common-addresses.yaml to the system's DNS servers
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get_dns_servers ()
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{
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if hash nmcli 2>/dev/null; then
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nmcli dev show | awk '/IP4.DNS/ {print $2}' | xargs
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else
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cat /etc/resolv.conf | awk '/nameserver/ {print $2}' | xargs
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fi
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}
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if grep -q "10.96.0.10" "/etc/resolv.conf"; then
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echo "Not changing DNS servers, /etc/resolv.conf already updated."
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else
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DNS_CONFIG_FILE="${AIAB_DIR}/../../../site/${TARGET_SITE}/networks/common-addresses.yaml"
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declare -a DNS_SERVERS=($(get_dns_servers))
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NS1=${DNS_SERVERS[0]:-8.8.8.8}
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NS2=${DNS_SERVERS[1]:-$NS1}
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echo "Using DNS servers $NS1 and $NS2."
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sed -i "s/8.8.8.8/$NS1/" $DNS_CONFIG_FILE
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sed -i "s/8.8.4.4/$NS2/" $DNS_CONFIG_FILE
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fi
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echo ""
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echo "Starting Airship deployment..."
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sleep 1
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${AIAB_DIR}/common/deploy-airship.sh demo
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