70f5df1e17
Change example string and depend on devstack change to make sure we won't break. Depends-on: https://review.opendev.org/#/c/711492 Change-Id: I5ca700b27c3c5be26dc5132fafd9b6cffade2b6b
102 lines
4.2 KiB
Bash
Executable File
102 lines
4.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -ex
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# Sample ``local.sh`` that configures two simple webserver instances and sets
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# up a Neutron LBaaS Version 2 loadbalancer backed by Octavia.
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# Keep track of the DevStack directory
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TOP_DIR=$(cd $(dirname "$0") && pwd)
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BOOT_DELAY=60
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# Import common functions
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source ${TOP_DIR}/functions
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# Use openrc + stackrc for settings
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source ${TOP_DIR}/stackrc
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# Destination path for installation ``DEST``
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DEST=${DEST:-/opt/stack}
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# Polling functions
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function wait_for_loadbalancer_active {
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lb_name=$1
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while [ $(openstack loadbalancer show $lb_name -f value -c provisioning_status) != "ACTIVE" ]; do
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sleep 2
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done
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}
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if is_service_enabled nova; then
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# Unset DOMAIN env variables that are not needed for keystone v2 and set OpenStack demo user auth
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unset OS_USER_DOMAIN_ID
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unset OS_PROJECT_DOMAIN_ID
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source ${TOP_DIR}/openrc demo demo
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# Create an SSH key to use for the instances
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DEVSTACK_LBAAS_SSH_KEY_NAME=DEVSTACK_LBAAS_SSH_KEY_RSA
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DEVSTACK_LBAAS_SSH_KEY_DIR=${TOP_DIR}
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DEVSTACK_LBAAS_SSH_KEY=${DEVSTACK_LBAAS_SSH_KEY_DIR}/${DEVSTACK_LBAAS_SSH_KEY_NAME}
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rm -f ${DEVSTACK_LBAAS_SSH_KEY}.pub ${DEVSTACK_LBAAS_SSH_KEY}
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ssh-keygen -b 2048 -t rsa -f ${DEVSTACK_LBAAS_SSH_KEY} -N ""
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openstack keypair create --public-key=${DEVSTACK_LBAAS_SSH_KEY}.pub ${DEVSTACK_LBAAS_SSH_KEY_NAME}
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# Add tcp/22,80 and icmp to default security group
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openstack security group rule create --protocol tcp --dst-port 22:22 default
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openstack security group rule create --protocol tcp --dst-port 80:80 default
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openstack security group rule create --protocol icmp default
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# Boot some instances
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NOVA_BOOT_ARGS="--key-name ${DEVSTACK_LBAAS_SSH_KEY_NAME} --image $(openstack image show cirros-0.5.1-x86_64-disk -f value -c id) --flavor 1 --nic net-id=$(openstack network show private -f value -c id)"
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openstack server create ${NOVA_BOOT_ARGS} node1
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openstack server create ${NOVA_BOOT_ARGS} node2
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echo "Waiting ${BOOT_DELAY} seconds for instances to boot"
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sleep ${BOOT_DELAY}
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IP1=$(openstack server show node1 | awk '/private/ {ip = substr($4, 9, length($4)-9) ; if (ip ~ "\\.") print ip ; else print $5}')
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IP2=$(openstack server show node2 | awk '/private/ {ip = substr($4, 9, length($4)-9) ; if (ip ~ "\\.") print ip ; else print $5}')
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touch ~/.ssh/known_hosts
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ssh-keygen -R ${IP1}
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ssh-keygen -R ${IP2}
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# Get Neutron router namespace details
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NAMESPACE_NAME='qrouter-'$(openstack router show router1 -f value -c id)
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NAMESPACE_CMD_PREFIX='sudo ip netns exec'
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# Run a simple web server on the instances
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chmod 0755 ${TOP_DIR}/webserver.sh
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$NAMESPACE_CMD_PREFIX $NAMESPACE_NAME scp -i ${DEVSTACK_LBAAS_SSH_KEY} -o StrictHostKeyChecking=no ${TOP_DIR}/webserver.sh cirros@${IP1}:webserver.sh
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$NAMESPACE_CMD_PREFIX $NAMESPACE_NAME scp -i ${DEVSTACK_LBAAS_SSH_KEY} -o StrictHostKeyChecking=no ${TOP_DIR}/webserver.sh cirros@${IP2}:webserver.sh
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$NAMESPACE_CMD_PREFIX $NAMESPACE_NAME ssh -o UserKnownHostsFile=/dev/null -i ${DEVSTACK_LBAAS_SSH_KEY} -o StrictHostKeyChecking=no -q cirros@${IP1} "screen -d -m sh webserver.sh"
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$NAMESPACE_CMD_PREFIX $NAMESPACE_NAME ssh -o UserKnownHostsFile=/dev/null -i ${DEVSTACK_LBAAS_SSH_KEY} -o StrictHostKeyChecking=no -q cirros@${IP2} "screen -d -m sh webserver.sh"
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fi
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if is_service_enabled octavia; then
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SUBNET_ID=$(openstack subnet show private-subnet -f value -c id)
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openstack loadbalancer create --name lb1 --vip-subnet-id $SUBNET_ID
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wait_for_loadbalancer_active lb1
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openstack loadbalancer listener create lb1 --protocol HTTP --protocol-port 80 --name listener1
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wait_for_loadbalancer_active lb1
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openstack loadbalancer pool create --lb-algorithm ROUND_ROBIN --listener listener1 --protocol HTTP --name pool1
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wait_for_loadbalancer_active lb1
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openstack loadbalancer member create --subnet-id $SUBNET_ID --address ${IP1} --protocol-port 80 pool1
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wait_for_loadbalancer_active lb1
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openstack loadbalancer member create --subnet-id $SUBNET_ID --address ${IP2} --protocol-port 80 pool1
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fi
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echo "How to test load balancing:"
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echo ""
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echo "${NAMESPACE_CMD_PREFIX} ${NAMESPACE_NAME} curl $(openstack loadbalancer show lb1 -f value -c vip_address)"
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echo ""
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