81 lines
3.1 KiB
Bash
Executable File
81 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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set -ex
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function wait_for_loadbalancer_active() {
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lb_name=$1
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while [ $(neutron lbaas-loadbalancer-list \
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| grep $lb_name | grep ACTIVE \
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| wc --lines) == 0 ]; do
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sleep 2
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done
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}
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BUILD_DIR=$(mktemp -d)
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cp $( dirname "${BASH_SOURCE[0]}" )/httpd.go ${BUILD_DIR}
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pushd ${BUILD_DIR}
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go build -ldflags "-linkmode external -extldflags -static" httpd.go
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popd
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SEC_GROUP_ID=$( openstack security group create "app-server-sec-group" \
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-f value -c id)
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openstack security group rule create ${SEC_GROUP_ID} --protocol tcp \
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--dst-port 22
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openstack security group rule create ${SEC_GROUP_ID} --protocol tcp \
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--dst-port 8080
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ssh-keygen -q -b 4096 -t rsa -N "" -f ${BUILD_DIR}/id_rsa
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openstack keypair create "app-server-key" --public-key ${BUILD_DIR}/id_rsa.pub
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PRIVATE_NET_ID=$( openstack network show private -f value -c id )
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neutron lbaas-loadbalancer-create --name lb1 private-subnet
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wait_for_loadbalancer_active lb
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neutron lbaas-listener-create --name listener1 \
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--loadbalancer lb1 \
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--protocol HTTP \
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--protocol-port 80 \
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--connection-limit 100000
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wait_for_loadbalancer_active lb1
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neutron lbaas-pool-create --name pool1 \
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--lb-algorithm ROUND_ROBIN \
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--listener listener1 \
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--protocol HTTP
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wait_for_loadbalancer_active lb1
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for NUM in $( seq -f "%02.0f" 1 3 ); do
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# For higher scale testing you may want to use a large flavor assuming your
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# environment has capacity
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SERVER_ID=$( openstack server create app${NUM} \
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--image cirros-0.3.4-x86_64-uec \
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--flavor m1.tiny \
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--security-group ${SEC_GROUP_ID} \
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--nic net-id=${PRIVATE_NET_ID} \
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--key-name "app-server-key" \
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--wait -f value -c id )
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sleep 30
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SERVER_IPV4=$( openstack server show ${SERVER_ID} \
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-c addresses -f value \
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| perl -ne 'print $1 if /(\d+\.\d+\.\d+\.\d+)/' )
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scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
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-i ${BUILD_DIR}/id_rsa \
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${BUILD_DIR}/httpd cirros@${SERVER_IPV4}:/dev/shm/
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ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
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-i ${BUILD_DIR}/id_rsa cirros@${SERVER_IPV4} \
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sudo sh -c "ulimit -n 100000; screen -d -m /dev/shm/httpd \
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-id ${NUM} -port 8080"
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neutron lbaas-member-create --subnet private-subnet \
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--address ${SERVER_IPV4} \
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--name app${NUM} \
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--protocol-port 8080 pool1
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wait_for_loadbalancer_active lb1
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done
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VIP_ADDRESS=$( neutron lbaas-loadbalancer-show lb1 -f value -c vip_address )
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neutron lbaas-loadbalancer-show lb1
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echo -e "You can now perform a load test against this load balancer. " \
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"For example:\n ab -n 40000 -c 10000 http://${VIP_ADDRESS}/slow"
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