Class: Bosh::Cli::Command::Instances

Inherits:
Base show all
Defined in:
lib/cli/commands/instances.rb

Constant Summary

Constants inherited from Base

Base::DEFAULT_DIRECTOR_PORT

Instance Attribute Summary

Attributes inherited from Base

#args, #exit_code, #info, #options, #out, #runner, #work_dir

Instance Method Summary collapse

Methods inherited from Base

#add_option, #blob_manager, #blobstore, #cache_dir, #config, #confirmed?, #credentials, #deployment, #director, #initialize, #interactive?, #logged_in?, #non_interactive?, #progress_renderer, #redirect, #release, #remove_option, #run_nested_command, #show_current_state, #target, #target_name, #verbose?

Methods included from Bosh::Cli::CommandDiscovery

#desc, #method_added, #option, #register_command, #usage

Methods included from DeploymentHelper

#build_manifest, #cancel_deployment, #deployment_changed?, #inspect_deployment_changes, #job_exists_in_deployment?, #job_must_exist_in_deployment, #job_unique_in_deployment?, #jobs_and_indexes, #prepare_deployment_manifest, #prompt_for_errand_name, #prompt_for_job_and_index

Constructor Details

This class inherits a constructor from Bosh::Cli::Command::Base

Instance Method Details

#list ⇒ Object 



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# File 'lib/cli/commands/instances.rb', line 12

def list()
  auth_required
  deployment_required
  manifest = Bosh::Cli::Manifest.new(deployment, director)
  manifest.load
  deployment_name = manifest.name

  deps = director.list_deployments
  selected = deps.select { |dep| dep['name'] == deployment_name }
  err("The deployment '#{deployment_name}' doesn't exist") if selected.size == 0

  show_current_state(deployment_name)
  no_track_unsupported

  unless deployment_name.nil?
    show_deployment(deployment_name, options)
  end
end

#show_deployment(name, options = {}) ⇒ Object 



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# File 'lib/cli/commands/instances.rb', line 31

def show_deployment(name, options={})
  instances = director.fetch_vm_state(name)
  instance_count = instances.size

  if instances.empty?
    nl
    say('No instances')
    nl
    return
  end

  sorted = instances.sort do |a, b|
    s = a['job_name'].to_s <=> b['job_name'].to_s
    s = a['index'].to_i <=> b['index'].to_i if s == 0
    s = a['resource_pool'].to_s <=> b['resource_pool'].to_s if s == 0
    s
  end

  row_count = 0
  has_disk_cid = instances[0].has_key?('disk_cid')
  has_uptime = instances[0]['processes'] && instances[0]['processes'].size > 0 && instances[0]['processes'][0].has_key?('uptime')
  has_cpu = instances[0]['processes'] && instances[0]['processes'].size > 0 && instances[0]['processes'][0].has_key?('cpu')

  instances_table = table do |t|
    headings = ['Instance', 'State', 'Resource Pool', 'IPs']
    if options[:details]
      if has_disk_cid
        headings += ['VM CID', 'Disk CID', 'Agent ID', 'Resurrection']
      else
        headings += ['VM CID', 'Agent ID', 'Resurrection']
      end
    end

    if options[:dns]
      headings += ['DNS A records']
    end

    if options[:vitals]
      headings += [{:value => "Uptime", :alignment => :center}] if options[:ps] && has_uptime
      headings += [{:value => "Load\n(avg01, avg05, avg15)", :alignment => :center}]
      headings += [{:value => "CPU %\n(User, Sys, Wait)", :alignment => :center}]
      headings += ["CPU %"] if options[:ps] && has_cpu
      headings += ['Memory Usage', 'Swap Usage']
      headings += ["System\nDisk Usage", "Ephemeral\nDisk Usage", "Persistent\nDisk Usage"]
    end

    last_job = ''
    sorted.each do |instance|
      if options[:failing]
        if options[:ps]
          instance['processes'].keep_if { |p| p['state'] != 'running' }
          if instance['processes'].size == 0 && instance['job_state'] == 'running'
            instance_count -= 1
            next
          end
        else
          if instance['job_state'] == 'running'
            instance_count -= 1
            next
          end
        end
      end

      row_count += 1

      job = "#{instance['job_name'] || 'unknown'}/#{instance['index'] || 'unknown'}"
      ips = Array(instance['ips']).join("\n")
      dns_records = Array(instance['dns']).join("\n")
      vitals = instance['vitals']

      row = [job, instance['job_state'], instance['resource_pool'], ips]
      t << :separator if row_count.between?(2, instance_count) && (options[:ps] || last_job != '' && instance['job_name'] != last_job)

      if options[:details]
        if has_disk_cid
          row += [instance['vm_cid'], instance['disk_cid'] || 'n/a', instance['agent_id'], instance['resurrection_paused'] ? 'paused' : 'active']
        else
          row += [instance['vm_cid'], instance['agent_id'], instance['resurrection_paused'] ? 'paused' : 'active']
        end
      end

      if options[:dns]
        row += [dns_records.empty? ? 'n/a' : dns_records]
      end

      if options[:vitals]
        if vitals
          cpu =  vitals['cpu']
          mem =  vitals['mem']
          swap = vitals['swap']
          disk = vitals['disk']

          row << '' if options[:ps] && has_uptime && instance['processes'].size > 0
          row << vitals['load'].join(', ')
          row << "#{cpu['user']}%, #{cpu['sys']}%, #{cpu['wait']}%"
          row << '' if options[:ps] && has_cpu && instance['processes'].size > 0
          row << "#{mem['percent']}% (#{pretty_size(mem['kb'].to_i * 1024)})"
          row << "#{swap['percent']}% (#{pretty_size(swap['kb'].to_i * 1024)})"
          row << "#{disk['system']['percent']}%"
          if disk['ephemeral'].nil?
            row << 'n/a'
          else
            row << "#{disk['ephemeral']['percent']}%"
          end
          if disk['persistent'].nil?
            row << 'n/a'
          else
            row << "#{disk['persistent']['percent']}%"
          end
        else
          9.times { row << 'n/a' }
        end
        t << row

        if options[:ps] && instance['processes']
          instance['processes'].each do |process|
            prow = ['  ' + process['name'], process['state'], '', '']
            if options[:details]
              prow += ['','','']
              prow << '' if has_disk_cid
            end
            if has_uptime
              if process['uptime'] && process['uptime']['secs']
                uptime = Integer(process['uptime']['secs'])
                days = uptime/60/60/24
                hours = uptime/60/60%24
                minutes = uptime/60%60
                seconds = uptime%60
                prow << "#{days}d #{hours}h #{minutes}m #{seconds}s"
              else
                prow << ''
              end
            end
            prow += ['','']
            prow << (process['cpu'] ? "#{process['cpu']['total']}%":'') if has_cpu
            prow << (process['mem'] ? "#{process['mem']['percent']}% (#{pretty_size(process['mem']['kb'].to_i * 1024)})":'')
            4.times { prow << '' }
            t << prow
          end
        end
      else
        t << row
        if options[:ps] && instance['processes']
          instance['processes'].each do |process|
            name = process['name']
            state = process['state']
            process_row = ["  #{name}", "#{state}"]
            (headings.size - 2).times { process_row << '' }
            t << process_row
          end
        end
      end

      last_job = instance['job_name'] || 'unknown'
      if instance['processes'].size == 0 && instance_count == 1
        headings.delete_at(4)
        headings.delete_at(6)
      end
    end
    t.headings = headings
  end

  if options[:failing] && row_count == 0
    nl
    say('No failing instances')
    nl
    return
  end
  nl
  say(instances_table)
  nl
  say('Instances total: %d' % row_count )
end