Class: Kitchen::Driver::Cloudstack

Inherits:
SSHBase
  • Object
show all
Defined in:
lib/kitchen/driver/cloudstack.rb

Overview

Cloudstack driver for Kitchen.

Author:

Instance Method Summary collapse

Instance Method Details

#compute ⇒ Object 



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# File 'lib/kitchen/driver/cloudstack.rb', line 39

def compute
  cloudstack_uri =  URI.parse(config[:cloudstack_api_url])
  connection = Fog::Compute.new(
      :provider => :cloudstack,
      :cloudstack_api_key => config[:cloudstack_api_key],
      :cloudstack_secret_access_key => config[:cloudstack_secret_key],
      :cloudstack_host => cloudstack_uri.host,
      :cloudstack_port => cloudstack_uri.port,
      :cloudstack_path => cloudstack_uri.path,
      :cloudstack_scheme => cloudstack_uri.scheme
  )
end

#create(state) ⇒ Object 



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# File 'lib/kitchen/driver/cloudstack.rb', line 77

def create(state)
  if not config[:name]
    # Generate what should be a unique server name
    config[:name] = "#{instance.name}-#{Etc.getlogin}-" +
        "#{Socket.gethostname}-#{Array.new(8){rand(36).to_s(36)}.join}"
  end
  if config[:disable_ssl_validation]
    require 'excon'
    Excon.defaults[:ssl_verify_peer] = false
  end

  
  server = create_server
  debug(server)

  state[:server_id] = server['deployvirtualmachineresponse'].fetch('id')
  start_jobid = {'jobid' => server['deployvirtualmachineresponse'].fetch('jobid')}
  info("CloudStack instance <#{state[:server_id]}> created.")
  debug("Job ID #{start_jobid}")
  # Cloning the original job id hash because running the query_async_job_result updates the hash to include
  # more than just the job id (which I could work around, but I'm lazy).
  jobid = start_jobid.clone

  server_start = compute.query_async_job_result(jobid)
  # jobstatus of zero is a running job
  while server_start['queryasyncjobresultresponse'].fetch('jobstatus').to_i == 0
    debug("Job status: #{server_start}")
    print ". "
    sleep(10)
    debug("Running Job ID #{jobid}")
    debug("Start Job ID #{start_jobid}")
    # We have to reclone on each iteration, as the hash keeps getting updated.
    jobid = start_jobid.clone
    server_start = compute.query_async_job_result(jobid)
  end
  debug("Server_Start: #{server_start} \n")

  # jobstatus of 2 is an error response
  if server_start['queryasyncjobresultresponse'].fetch('jobstatus').to_i == 2
    errortext = server_start['queryasyncjobresultresponse'].fetch('jobresult').fetch('errortext')
    error("ERROR! Job failed with #{errortext}")
  end

  # jobstatus of 1 is a succesfully completed async job
  if server_start['queryasyncjobresultresponse'].fetch('jobstatus').to_i == 1
    server_info = server_start['queryasyncjobresultresponse']['jobresult']['virtualmachine']
    debug(server_info)
    print "(server ready)"


    keypair = nil
    if ((!config[:keypair_search_directory].nil?) and (File.exist?("#{config[:keypair_search_directory]}/#{config[:cloudstack_ssh_keypair_name]}.pem")))
      keypair = "#{config[:keypair_search_directory]}/#{config[:cloudstack_ssh_keypair_name]}.pem"
      debug("Keypair being used is #{keypair}")
    elsif File.exist?("./#{config[:cloudstack_ssh_keypair_name]}.pem")
      keypair = "./#{config[:cloudstack_ssh_keypair_name]}.pem"
      debug("Keypair being used is #{keypair}")
    elsif File.exist?("#{ENV["HOME"]}/#{config[:cloudstack_ssh_keypair_name]}.pem")
      keypair = "#{ENV["HOME"]}/#{config[:cloudstack_ssh_keypair_name]}.pem"
      debug("Keypair being used is #{keypair}")
    elsif File.exist?("#{ENV["HOME"]}/.ssh/#{config[:cloudstack_ssh_keypair_name]}.pem")
      keypair = "#{ENV["HOME"]}/.ssh/#{config[:cloudstack_ssh_keypair_name]}.pem"
      debug("Keypair being used is #{keypair}")
    elsif (!config[:cloudstack_ssh_keypair_name].nil?)
      info("Keypair specified but not found. Using password if enabled.")
    end

    # binding.pry
    # debug("Keypair is #{keypair}")
    state[:hostname] = config[:cloudstack_vm_public_ip] || server_info.fetch('nic').first.fetch('ipaddress')
    wait_for_sshd(state[:hostname])
    
    debug("SSH Connectivity Validated.")

    if (!keypair.nil?)
      debug("Using keypair: #{keypair}")
      info("SSH for #{state[:hostname]} with keypair #{config[:cloudstack_ssh_keypair_name]}.")
      ssh_key = File.read(keypair)
      if ssh_key.split[0] == "ssh-rsa" or ssh_key.split[0] == "ssh-dsa"
        error("SSH key #{keypair} is not a Private Key. Please modify your .kitchen.yml")
      end
      ssh = Fog::SSH.new(state[:hostname], config[:username], {:keys => keypair})
      debug("Connecting to : #{state[:hostname]} as #{config[:username]} using keypair #{keypair}.")
    elsif (server_info.fetch('passwordenabled') == true)
      password = server_info.fetch('password')
      # Print out IP and password so you can record it if you want.
      info("Password for #{config[:username]} at #{state[:hostname]} is #{password}")
      ssh = Fog::SSH.new(state[:hostname], config[:username], {:password => password})
      debug("Connecting to : #{state[:hostname]} as #{config[:username]} using password #{password}.")
    elsif (!config[:password].nil?)
      info("Connecting with user #{config[:username]} with password #{config[:password]}")
      ssh = Fog::SSH.new(state[:hostname], config[:username], {:password => config[:password]})
    else
      info("No keypair specified (or file not found) nor is this a password enabled template. You will have to manually copy your SSH public key to #{state[:hostname]} to use this Kitchen.")
    end
    # binding.pry

    validate_ssh_connectivity(ssh)

    deploy_private_key(ssh)
  end
end

#create_server ⇒ Object 



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# File 'lib/kitchen/driver/cloudstack.rb', line 52

def create_server
  options = {}
  config[:server_name] ||= generate_name(instance.name)
  options['displayname'] = config[:server_name]
  if (!config[:cloudstack_network_id].nil?)
    options['networkids'] = config[:cloudstack_network_id]
  end

  if (!config[:cloudstack_security_group_id].nil?)
    options['securitygroupids'] = config[:cloudstack_security_group_id]
  end

  if (!config[:cloudstack_ssh_keypair_name].nil?)
    options['keypair'] = config[:cloudstack_ssh_keypair_name]
  end

  options[:templateid] = config[:cloudstack_template_id]
  options[:serviceofferingid] = config[:cloudstack_serviceoffering_id]
  options[:zoneid] = config[:cloudstack_zone_id]

  debug(options)
  # binding.pry
  compute.deploy_virtual_machine(options)
end

#deploy_private_key(ssh) ⇒ Object 



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# File 'lib/kitchen/driver/cloudstack.rb', line 230

def deploy_private_key(ssh)
  debug("Deploying user private key to server using connection #{ssh} to guarantee connectivity.")
  if File.exist?("#{ENV["HOME"]}/.ssh/id_rsa.pub")
    user_public_key = File.read("#{ENV["HOME"]}/.ssh/id_rsa.pub")
  elsif File.exist?("#{ENV["HOME"]}/.ssh/id_dsa.pub")
    user_public_key = File.read("#{ENV["HOME"]}/.ssh/id_dsa.pub")
  else
    debug("No public SSH key for user. Skipping.")
  end

  if user_public_key
    ssh.run([
                %{mkdir .ssh},
                %{echo "#{user_public_key}" >> ~/.ssh/authorized_keys}
            ])
  end
end

#destroy(state) ⇒ Object 



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# File 'lib/kitchen/driver/cloudstack.rb', line 180

def destroy(state)
  return if state[:server_id].nil?
  debug("Destroying #{state[:server_id]}")
  server = compute.servers.get(state[:server_id])
  if not server.nil?
    compute.destroy_virtual_machine({'id' => state[:server_id]})
  end
  info("CloudStack instance <#{state[:server_id]}> destroyed.")
  state.delete(:server_id)
  state.delete(:hostname)
end

#generate_name(base) ⇒ Object 



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# File 'lib/kitchen/driver/cloudstack.rb', line 248

def generate_name(base)
  # Generate what should be a unique server name
  sep = '-'
  pieces = [
    base,
    Etc.getlogin,
    Socket.gethostname,
    Array.new(8) { rand(36).to_s(36) }.join
  ]
  until pieces.join(sep).length <= 64 do
    if pieces[2].length > 24
      pieces[2] = pieces[2][0..-2]
    elsif pieces[1].length > 16
      pieces[1] = pieces[1][0..-2]
    elsif pieces[0].length > 16
      pieces[0] = pieces[0][0..-2]
    end
  end
  pieces.join sep
end

#validate_ssh_connectivity(ssh) ⇒ Object 



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# File 'lib/kitchen/driver/cloudstack.rb', line 192

def validate_ssh_connectivity(ssh)
  rescue Errno::ETIMEDOUT
    debug("SSH connection timed out. Retrying.")
    sleep 2
    false
  rescue Errno::EPERM
    debug("SSH connection returned error. Retrying.")
    false
  rescue Errno::ECONNREFUSED
    debug("SSH connection returned connection refused. Retrying.")
    sleep 2
    false
  rescue Errno::EHOSTUNREACH
    debug("SSH connection returned host unreachable. Retrying.")
    sleep 2
    false
  rescue Errno::ENETUNREACH
    debug("SSH connection returned network unreachable. Retrying.")
    sleep 30
    false
  rescue Net::SSH::Disconnect
    debug("SSH connection has been disconnected. Retrying.")
    sleep 15
    false
  rescue Net::SSH::AuthenticationFailed
    debug("SSH authentication has failed. Password or Keys may not be in place yet. Retrying.")
    sleep 15
    false
  ensure
    sync_time = 45
    if (config[:cloudstack_sync_time])
      sync_time = config[:cloudstack_sync_time]
    end
    sleep(sync_time)
    debug("Connecting to host and running ls")
    ssh.run('ls')
end