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====== How to Install and Run StorPerf ======

StorPerf is delivered as a Docker container from https://hub.docker.com/r/opnfv/storperf/tags/.  There are two possible methods for installation in your environment:

  - Run container on Jump Host
  - Run container in a VM

===== Running StorPerf on Jump Host =====

Requirements:

  * Docker must be installed
  * Jump Host must have access to the OpenStack Controller API
  * Jump Host must be able to access StorPerf subnet


  # Create the StorPerf network
  neutron net-create StorPerf_Agent_Network
  neutron subnet-create StorPerf_Agent_Network 192.168.0.0/16 --name StorPerf_Agent_Subnet --gateway 192.168.0.1

  # Create the StorPerf Agent Flavor
  nova flavor-create "StorPerf Agent" auto 4096 4 4

===== Running StorPerf in a VM =====

Requirements:

  * VM is in the same OpenStack environment as the Cinder volumes under test
  * VM is attached to a dedicated, private subnet called StorPerf
  * VM has OpenStack Controller credentials and can communicate with the Controller API
  * VM has docker installed
  * VM has internet connectivity for downloading the docker image

==== VM Configuration ====

The following procedure will create the VM in your environment

  # Put an Ubuntu Image in glance
  wget https://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img
  glance image-create --name 'StorPerf Ubuntu 14.04' --visibility public --disk-format=qcow2 \
  --container-format=bare --file=trusty-server-cloudimg-amd64-disk1.img
  
  # Create the StorPerf network
  neutron net-create StorPerf_Agent_Network
  neutron subnet-create StorPerf_Agent_Network 192.168.0.0/16 --name StorPerf_Agent_Subnet --gateway 192.168.0.1
  
  # Create the StorPerf Flavor - Depending on how much data you are collecting, you may want to make
  # the disk larger.
  nova flavor-create StorPerf auto 8192 120 8
  nova flavor-create "StorPerf Agent" auto 4096 4 4
  
  # (Optional) Create a keypair for your StorPerf master
  nova keypair-add StorPerf > StorPerf.pem
  # Or, if you have access to the StorPerf repository you may import the StorPerf key
  nova keypair-add --pub_key storperf_rsa.pub StorPerf
  
  # Create the StorPerf VM itself.  Here we use the network ID generated by OPNFV FUEL.
  ADMIN_NET_ID=`neutron net-list | grep 'admin_internal_net ' | awk '{print $2}'`
  STORPERF_ID=`neutron net-list | grep 'StorPerf_Agent_Network ' | awk '{print $2}'`
  
  nova boot --nic net-id=$ADMIN_NET_ID --nic net-id=$STORPERF_ID --flavor StorPerf --key-name=StorPerf \
  --image 'StorPerf Ubuntu 14.04' 'StorPerf Master'

At this point, you may associate a floating IP with the StorPerf master VM.

  ssh -i StorPerf.pem ubuntu@10.9.15.138

=== Docker Installation ===

The following procedure will install Docker on Ubuntu 14.04.

  sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
  cat << EOF | sudo tee /etc/apt/sources.list.d/docker.list
  deb https://apt.dockerproject.org/repo ubuntu-trusty main
  EOF
  
  sudo apt-get update
  sudo apt-get install -y docker-engine
  sudo usermod -aG docker ubuntu

===== Running StorPerf Container =====

You must have your OpenStack Controller environment variables defined and passatd to the StorPerf container.  The easiest way to do this is to put the rc file contents into a clean file the looks similar to this:

  OS_AUTH_URL=http://10.13.182.243:5000/v2.0
  OS_TENANT_ID=e8e64985506a4a508957f931d1800aa9
  OS_TENANT_NAME=admin
  OS_PROJECT_NAME=admin
  OS_USERNAME=admin
  OS_PASSWORD=admin
  OS_REGION_NAME=RegionOne

There are some ports that the container can expose:

  * 22 for SSHD.  Username and password are root/storperf.  This is used for CLI access only
  * 5000 for StorPerf ReST API.
  * 8000 for StorPerf's Graphite Web Server

You might want to have the local disk used for storage as the default size of the docker container is only 10g.  This is done with the -v option, mounting under /opt/graphite/storage/whisper

Running the StorPerf Container with all ports open and a local disk:

  mkdir -p ~/carbon
  sudo chown 33:33 ~/carbon
  docker run -t --env-file admin-rc -p 5022:22 -p 5000:5000 -p 8000:8000 -v ~/carbon:/opt/graphite/storage/whisper --name storperf opnfv/storperf 
  
 This will then permit ssh to localhost port 5022 for CLI access.
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