Module: CloudstackCli::Helper

Included in:
Base
Defined in:
lib/cloudstack-cli/helper.rb

Constant Summary collapse

ASYNC_STATES = 
{
  0 => "running",
  1 => "completed",
  2 => "error"
}

Instance Method Summary collapse

Instance Method Details

#ask_number(question) ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 9

def ask_number(question)
  number = ask(question).to_i - 1
  number < 0 ? 0 : number
end

#bootstrap_server(args = {}) ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 69

def bootstrap_server(args = {})
  if args[:project] && project = client(quiet: true).get_project(args[:project])
    project_id = project["id"]
    project_name = project['name']
  end
  server = client(quiet: true).get_server(args[:name], project_id)
  unless server
    say "Create server #{args[:name]}...", :yellow
    server = client.create_server(args)
    say "Server #{server["name"]} has been created.", :green
    client.wait_for_server_state(server["id"], "Running")
    say "Server #{server["name"]} is running.", :green
  else
    say "Server #{args[:name]} already exists (#{server['state']}).", :yellow
  end

  if args[:port_rules] && args[:port_rules].size > 0
    create_port_rules(server, args[:port_rules])
  end
  server
end

#bootstrap_server_interactive ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 136

def bootstrap_server_interactive
  zones = client.list_zones
  if zones.size > 1
    say "Select a availability zone:", :yellow
    print_options(zones)
    zone = ask_number("Zone Nr.: ")
  else
    zone = 0
  end

  projects = client.list_projects
  if yes?("Do you want to deploy your server within a project?") && projects.size > 0
    if projects.size > 0
      say "Select a project", :yellow
      print_options(projects)
      project = ask_number("Project Nr.: ")
    end
    project_id = projects[project]['id'] rescue nil
  end

  say "Please provide a name for the new server", :yellow
  say "(spaces or special characters are NOT allowed)"
  server_name = ask("Server name: ")

  server_offerings = client.list_service_offerings
  say "Select a computing offering:", :yellow
  print_options(server_offerings)
  service_offering = ask_number("Offering Nr.: ")

  templates = client.list_templates(project_id: project_id, zone_id: zones[zone]["id"])
  say "Select a template:", :yellow
  print_options(templates)
  template = ask_number("Template Nr.: ")

  networks = client.list_networks(project_id: project_id, zone_id: zones[zone]["id"])
  if networks.size > 1
    say "Select a network:", :yellow
    print_options(networks)
    network = ask_number("Network Nr.: ")
  else
    network = 0
  end

  say "You entered the following configuration:", :yellow
  table =  [["Zone", zones[zone]["name"]]]
  table << ["Server Name", server_name]
  table << ["Template", templates[template]["name"]]
  table << ["Offering", server_offerings[service_offering]["name"]]
  table << ["Network", networks[network]["name"]]
  table << ["Project", projects[project]["name"]] if project
  print_table table

  if yes? "Do you want to deploy this server?"
    bootstrap_server(
      server_name,
      zones[zone]["name"],
      templates[template]["name"],
      server_offerings[service_offering]["name"],
      [networks[network]["name"]], nil,
      project ? projects[project]["name"] : nil
    )
  end
end

#create_port_rules(server, port_rules, async = true) ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 103

def create_port_rules(server, port_rules, async = true)
  frontendip = nil
  jobs = []
  client.verbose = async
  port_rules.each do |pf_rule|
    ip = pf_rule.split(":")[0]
    if ip != ''
      ip_addr = client.get_public_ip_address(ip)
      unless ip_addr
        say "Error: IP #{ip} not found.", :red
        next
      end
    else
      ip_addr = frontendip ||= client.associate_ip_address(
        server["nic"].first["networkid"]
      )
    end
    port = pf_rule.split(":")[1]
    if async 
      say "Create port forwarding rule #{ip_addr['ipaddress']}:#{port} for server #{server["name"]}.", :yellow
      client.create_port_forwarding_rule(ip_addr["id"], port, 'TCP', port, server["id"])
      return
    else
      jobs << client.create_port_forwarding_rule(
        ip_addr["id"],
        port, 'TCP', port, server["id"],
        false
      )['jobid']
    end
  end
  jobs
end

#create_server(args = {}) ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 91

def create_server(args = {})
  if args[:project] && project = client(quiet: true).get_project(args[:project])
    project_id = project["id"]
    project_name = project['name']
  end
  server = client(quiet: true).get_server(args[:name], project_id)
  unless server
    server = client.create_server(args)
  end
  server
end

#print_job_status(jobs, spinner, opts = {t_start: Time.now}) ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 56

def print_job_status(jobs, , opts = {t_start: Time.now})
  print ("\r" + "\e[A\e[K" * (jobs.size + 1)) unless opts[:no_clear]
  jobs.each_with_index do |job, i|
    print "#{job[:name]} : job #{ASYNC_STATES[job[:status]]} "
    puts job[:status] == 0 ? .first : ""
  end
  t_elapsed = opts[:t_start] ? (Time.now - opts[:t_start]).round(1) : 0
  puts "Runtime: #{t_elapsed}s"
  sleep opts[:sleeptime] || 0.1
  .push .shift
  
end

#print_options(options, attr = 'name') ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 3

def print_options(options, attr = 'name')
  options.to_enum.with_index(1).each do |option, i|
     puts "#{i}: #{option[attr]}"
  end   
end

#update_job_status(jobs) ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 47

def update_job_status(jobs)
  jobs.each do |job|
    unless job[:status] && job[:status] > 0
      job[:status] = client.query_job(job[:id])['jobstatus']
    end
  end
  jobs
end

#watch_jobs(jobs) ⇒ Object 



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# File 'lib/cloudstack-cli/helper.rb', line 20

def watch_jobs(jobs)
  chars = %w(| / - \\)
  call = 0
  opts = {t_start: Time.now}
  jobs = update_job_status(jobs)
  while jobs.select{|job| job[:status] == 0}.size > 0 do
    if call.modulo(40) == 0
      t = Thread.new { jobs = update_job_status(jobs) }
      while t.alive?
        chars = print_job_status(jobs, chars,
          call == 0 ? opts.merge(no_clear: true) : opts
        )
        call += 1
      end
      t.join
    else
      chars = print_job_status(jobs, chars,
        call == 0 ? opts.merge(no_clear: true) : opts
      )
      call += 1
    end
  end
  print_job_status(jobs, chars,
    call == 0 ? opts.merge(no_clear: true) : opts
  )
end