Class: ABS

Inherits:
Object
  • Object
show all
Defined in:
lib/vmfloaty/abs.rb

Class Method Summary collapse

Class Method Details

.all_job_resources_accounted_for(allocated_resources, hosts) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 78

def self.all_job_resources_accounted_for(allocated_resources, hosts)
  allocated_host_list = allocated_resources.map { |ar| ar['hostname'] }
  (allocated_host_list - hosts).empty?
end

.check_queue(conn, job_id, req_obj) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 265

def self.check_queue(conn, job_id, req_obj)
  queue_info_res = conn.get "status/queue/info/#{job_id}"
  queue_info = JSON.parse(queue_info_res.body)

  res = conn.post 'request', req_obj.to_json

  unless res.body.empty?
    res_body = JSON.parse(res.body)
    return queue_info['queue_place'], res_body
  end
  [queue_info['queue_place'], nil]
end

.delete(verbose, url, hosts, token, user) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 83

def self.delete(verbose, url, hosts, token, user)
  # In ABS terms, this is a "returned" host.
  conn = Http.get_conn(verbose, url)
  conn.headers['X-AUTH-TOKEN'] = token if token

  puts "Trying to delete hosts #{hosts}" if verbose
  requests = get_active_requests(verbose, url, user)

  jobs_to_delete = []

  ret_status = {}
  hosts.each do |host|
    ret_status[host] = {
      'ok' => false,
    }
  end

  requests.each do |req_hash|
    next unless req_hash['state'] == 'allocated' || req_hash['state'] == 'filled'

    if hosts.include? req_hash['request']['job']['id']
      jobs_to_delete.push(req_hash)
      next
    end

    req_hash['allocated_resources'].each do |vm_name, _i|
      if hosts.include? vm_name['hostname']
        if all_job_resources_accounted_for(req_hash['allocated_resources'], hosts)
          ret_status[vm_name['hostname']] = {
            'ok' => true,
          }
          jobs_to_delete.push(req_hash)
        else
          puts "When using ABS you must delete all vms that you requested at the same time: Can't delete #{req_hash['request']['job']['id']}: #{hosts} does not include all of #{req_hash['allocated_resources']}"
        end
      end
    end
  end

  response_body = {}

  jobs_to_delete.each do |job|
    req_obj = {
      'job_id' => job['request']['job']['id'],
      'hosts'  => job['allocated_resources'],
    }

    puts "Deleting #{req_obj}" if verbose

    return_result = conn.post 'return', req_obj.to_json
    req_obj['hosts'].each do |host|
      response_body[host['hostname']] = { 'ok' => true } if return_result.body == 'OK'
    end
  end

  response_body
end

.disk(_verbose, _url, _hostname, _token, _disk) ⇒ Object

Raises:

  • (NoMethodError) 


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# File 'lib/vmfloaty/abs.rb', line 311

def self.disk(_verbose, _url, _hostname, _token, _disk)
  raise NoMethodError, 'disk is not defined for ABS'
end

.get_active_requests(verbose, url, user) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 54

def self.get_active_requests(verbose, url, user)
  conn = Http.get_conn(verbose, url)
  res = conn.get 'status/queue'
  requests = JSON.parse(res.body)

  ret_val = []

  requests.each do |req|
    next if req == 'null'

    req_hash = JSON.parse(req)

    begin
      next unless user == req_hash['request']['job']['user']

      ret_val.push(req_hash)
    rescue NoMethodError
      puts "Warning: couldn't parse line returned from abs/status/queue: ".yellow
    end
  end

  ret_val
end

.list(verbose, url, os_filter = nil) ⇒ Object

List available VMs in ABS



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# File 'lib/vmfloaty/abs.rb', line 142

def self.list(verbose, url, os_filter = nil)
  conn = Http.get_conn(verbose, url)

  os_list = []

  res = conn.get 'status/platforms/vmpooler'

  res_body = JSON.parse(res.body)
  os_list << '*** VMPOOLER Pools ***'
  os_list += JSON.parse(res_body['vmpooler_platforms'])

  res = conn.get 'status/platforms/ondemand_vmpooler'
  res_body = JSON.parse(res.body)
  unless res_body['ondemand_vmpooler_platforms'] == '[]'
    os_list << ''
    os_list << '*** VMPOOLER ONDEMAND Pools ***'
    os_list += JSON.parse(res_body['ondemand_vmpooler_platforms'])
  end

  res = conn.get 'status/platforms/nspooler'
  res_body = JSON.parse(res.body)
  os_list << ''
  os_list << '*** NSPOOLER Pools ***'
  os_list += JSON.parse(res_body['nspooler_platforms'])

  res = conn.get 'status/platforms/aws'
  res_body = JSON.parse(res.body)
  os_list << ''
  os_list << '*** AWS Pools ***'
  os_list += JSON.parse(res_body['aws_platforms'])

  os_list.delete 'ok'

  os_filter ? os_list.select { |i| i[/#{os_filter}/] } : os_list
end

.list_active(verbose, url, _token, user) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 42

def self.list_active(verbose, url, _token, user)
  all_jobs = []
  @active_hostnames = {}

  get_active_requests(verbose, url, user).each do |req_hash|
    all_jobs.push(req_hash['request']['job']['id'])
    @active_hostnames[req_hash['request']['job']['id']] = req_hash
  end

  all_jobs
end

.modify(_verbose, _url, _hostname, _token, _modify_hash) ⇒ Object

Raises:

  • (NoMethodError) 


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# File 'lib/vmfloaty/abs.rb', line 307

def self.modify(_verbose, _url, _hostname, _token, _modify_hash)
  raise NoMethodError, 'modify is not defined for ABS'
end

.query(verbose, url, hostname) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 297

def self.query(verbose, url, hostname)
  return @active_hostnames if @active_hostnames

  puts "For vmpooler/snapshot information, use '--service vmpooler' (even for vms checked out with ABS)"
  conn = Http.get_conn(verbose, url)

  res = conn.get "host/#{hostname}"
  JSON.parse(res.body)
end

.retrieve(verbose, os_types, token, url, user, options, _ondemand = nil) ⇒ Object

Retrieve an OS from ABS.

Raises:



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# File 'lib/vmfloaty/abs.rb', line 179

def self.retrieve(verbose, os_types, token, url, user, options, _ondemand = nil)
  #
  # Contents of post must be like:
  #
  # {
  #   "resources": {
  #     "centos-7-i386": 1,
  #     "ubuntu-1404-x86_64": 2
  #   },
  #   "job": {
  #     "id": "12345",
  #     "tags": {
  #       "user": "username",
  #     }
  #   }
  # }

  conn = Http.get_conn(verbose, url)
  conn.headers['X-AUTH-TOKEN'] = token if token

  saved_job_id = DateTime.now.strftime('%Q')

  req_obj = {
    :resources => os_types,
    :job       => {
      :id   => saved_job_id,
      :tags => {
        :user => user,
      },
    },
  }

  if options['priority']
    req_obj[:priority] = if options['priority'] == 'high'
                           1
                         elsif options['priority'] == 'medium'
                           2
                         elsif options['priority'] == 'low'
                           3
                         else
                           options['priority'].to_i
                         end
  end

  puts "Posting to ABS #{req_obj.to_json}" if verbose

  # os_string = os_type.map { |os, num| Array(os) * num }.flatten.join('+')
  # raise MissingParamError, 'No operating systems provided to obtain.' if os_string.empty?
  puts "Requesting VMs with job_id: #{saved_job_id}.  Will retry for up to an hour."
  res = conn.post 'request', req_obj.to_json

  retries = 360

  raise AuthError, "HTTP #{res.status}: The token provided could not authenticate to the pooler.\n#{res_body}" if res.status == 401

  (1..retries).each do |i|
    queue_place, res_body = check_queue(conn, saved_job_id, req_obj)
    return translated(res_body) if res_body

    sleep_seconds = 10 if i >= 10
    sleep_seconds = i if i < 10
    puts "Waiting #{sleep_seconds} seconds to check if ABS request has been filled.  Queue Position: #{queue_place}... (x#{i})"

    sleep(sleep_seconds)
  end
  nil
end

.revert(_verbose, _url, _hostname, _token, _snapshot_sha) ⇒ Object

Raises:

  • (NoMethodError) 


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# File 'lib/vmfloaty/abs.rb', line 315

def self.revert(_verbose, _url, _hostname, _token, _snapshot_sha)
  raise NoMethodError, 'revert is not defined for ABS'
end

.snapshot(_verbose, _url, _hostname, _token) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 278

def self.snapshot(_verbose, _url, _hostname, _token)
  puts "Can't snapshot with ABS, use '--service vmpooler' (even for vms checked out with ABS)"
end

.status(verbose, url) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 282

def self.status(verbose, url)
  conn = Http.get_conn(verbose, url)

  res = conn.get 'status'

  res.body == 'OK'
end

.summary(verbose, url) ⇒ Object 



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# File 'lib/vmfloaty/abs.rb', line 290

def self.summary(verbose, url)
  conn = Http.get_conn(verbose, url)

  res = conn.get 'summary'
  JSON.parse(res.body)
end

.translated(res_body) ⇒ Object

We should fix the ABS API to be more like the vmpooler or nspooler api, but for now



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# File 'lib/vmfloaty/abs.rb', line 250

def self.translated(res_body)
  vmpooler_formatted_body = {}

  res_body.each do |host|
    if vmpooler_formatted_body[host['type']] && vmpooler_formatted_body[host['type']]['hostname'].class == Array
      vmpooler_formatted_body[host['type']]['hostname'] << host['hostname']
    else
      vmpooler_formatted_body[host['type']] = { 'hostname' => [host['hostname']] }
    end
  end
  vmpooler_formatted_body['ok'] = true

  vmpooler_formatted_body
end