102 lines
3.7 KiB
Bash
Executable File
102 lines
3.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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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.
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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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# Additional Variables
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IMAGE_NAME="cirros"
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SUBNET_NAME="private-subnet"
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if is_service_enabled nova; then
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# Get OpenStack demo user auth
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source ${TOP_DIR}/openrc demo demo
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# Create an SSH key to use for the instances
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HOST=$(echo $HOSTNAME | cut -d"." -f1)
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DEVSTACK_LBAAS_SSH_KEY_NAME=${HOST}_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 ${DEVSTACK_LBAAS_SSH_KEY} -N ""
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nova keypair-add --pub-key=${DEVSTACK_LBAAS_SSH_KEY}.pub ${DEVSTACK_LBAAS_SSH_KEY_NAME}
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# Add tcp/22,80 and icmp to default security group
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nova secgroup-add-rule default tcp 22 22 0.0.0.0/0
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nova secgroup-add-rule default tcp 80 80 0.0.0.0/0
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nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0
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# Get Image id
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IMAGE_ID=$(glance image-list | awk -v image=${IMAGE_NAME} '$0 ~ image {print $2}' | head -1)
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# Get Network id
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NET_ID=$(neutron subnet-show ${SUBNET_NAME} | awk '/network_id/ {print $4}')
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# Boot some instances
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NOVA_BOOT_ARGS="--key-name ${DEVSTACK_LBAAS_SSH_KEY_NAME} --image ${IMAGE_ID} --flavor 1 --nic net-id=$NET_ID"
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nova boot ${NOVA_BOOT_ARGS} node1
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nova boot ${NOVA_BOOT_ARGS} node2
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echo "Waiting ${BOOT_DELAY} seconds for instances to boot"
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sleep ${BOOT_DELAY}
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# Get Instances IP Addresses
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SUBNET_ID=$(neutron subnet-show ${SUBNET_NAME} | awk '/ id / {print $4}')
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IP1=$(neutron port-list --device_owner compute:None -c fixed_ips | grep ${SUBNET_ID} | cut -d'"' -f8 | sed -n 1p)
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IP2=$(neutron port-list --device_owner compute:None -c fixed_ips | grep ${SUBNET_ID} | cut -d'"' -f8 | sed -n 2p)
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ssh-keygen -R ${IP1}
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ssh-keygen -R ${IP2}
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# Run a simple web server on the instances
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scp -i ${DEVSTACK_LBAAS_SSH_KEY} -o StrictHostKeyChecking=no ${TOP_DIR}/webserver.sh cirros@${IP1}:webserver.sh
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scp -i ${DEVSTACK_LBAAS_SSH_KEY} -o StrictHostKeyChecking=no ${TOP_DIR}/webserver.sh cirros@${IP2}:webserver.sh
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screen_process node1 "ssh -i ${DEVSTACK_LBAAS_SSH_KEY} -o StrictHostKeyChecking=no cirros@${IP1} ./webserver.sh"
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screen_process node2 "ssh -i ${DEVSTACK_LBAAS_SSH_KEY} -o StrictHostKeyChecking=no cirros@${IP2} ./webserver.sh"
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fi
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function wait_for_lb_active {
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echo "Waiting for $1 to become ACTIVE..."
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status=$(neutron lbaas-loadbalancer-show $1 | awk '/provisioning_status/ {print $4}')
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while [ "$status" != "ACTIVE" ]
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do
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sleep 2
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status=$(neutron lbaas-loadbalancer-show $1 | awk '/provisioning_status/ {print $4}')
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if [ $status == "ERROR" ]
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then
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echo "$1 ERRORED. Exiting."
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exit 1;
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fi
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done
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}
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if is_service_enabled q-lbaasv2; then
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neutron lbaas-loadbalancer-create --name lb1 ${SUBNET_NAME}
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wait_for_lb_active "lb1"
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neutron lbaas-listener-create --loadbalancer lb1 --protocol HTTP --protocol-port 80 --name listener1
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sleep 10
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neutron lbaas-pool-create --lb-algorithm ROUND_ROBIN --listener listener1 --protocol HTTP --name pool1
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sleep 10
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neutron lbaas-member-create --subnet ${SUBNET_NAME} --address ${IP1} --protocol-port 80 pool1
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sleep 10
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neutron lbaas-member-create --subnet ${SUBNET_NAME} --address ${IP2} --protocol-port 80 pool1
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fi
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