Class: Moob::Idrac8

Inherits:
BaseLom show all
Defined in:
lib/moob/idrac8.rb

Constant Summary collapse

INFO_FIELDS = 
%w[
  biosVer svcTag expSvcCode hostName
  osName osVersion sysDesc sysRev datetime initCountdown presentCountdown
  fwVersion fwUpdated LCCfwVersion
  firstBootDevice vmBootOnce
  racName hwVersionmacAddr recoveryAction
  NicEtherMac1  NicEtherMac2  NicEtherMac3  NicEtherMac4
  NiciSCSIMac1  NiciSCSIMac2  NiciSCSIMac3  NiciSCSIMac4
  NicEtherVMac1 NicEtherVMac2 NicEtherVMac3 NicEtherVMac4
  v4Enabled v4IPAddr v4Gateway v4NetMask
  v6Enabled v6Addr   v6Gateway v6Prefix v6LinkLocal
  v4DHCPEnabled v4DHCPServers v4DNS1 v4DNS2
  v6DHCPEnabled v6DHCPServers v6DNS1 v6DNS2
  v6SiteLocal v6SiteLocal3 v6SiteLocal4 v6SiteLocal5 v6SiteLocal6 v6SiteLocal7 v6SiteLocal8
  v6SiteLocal9 v6SiteLocal10 v6SiteLocal11 v6SiteLocal12 v6SiteLocal13 v6SiteLocal14 v6SiteLocal15
  ipmiLAN ipmiMinPriv ipmiKey hostname
]

Instance Attribute Summary

Attributes inherited from BaseLom

#hostname, #username

Instance Method Summary collapse

Methods inherited from BaseLom

action, actions, name

Constructor Details

#initialize(hostname, options = {}) ⇒ Idrac8

Returns a new instance of Idrac8.



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# File 'lib/moob/idrac8.rb', line 28

def initialize hostname, options = {}
  super hostname, options
  @username ||= 'root'
  @password ||= 'calvin'
  @index = nil

  @skiplogout = false

  @session.headers['Accept'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
  @session.headers['Accept-Language'] = 'en-US,en;q=0.8,sv;q=0.6'
  # idrac8 responds with a 404 if the request is sent for html is sent without encoding headers
  @session.headers['Accept-Encoding'] = 'gzip,deflate,sdch'
end

Instance Method Details

#authenticate ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 42

def authenticate
  @session.handle_cookies nil

   = @session.get 'login.html'

  raise ResponseError.new  unless .status == 200

  auth = @session.post 'data/login', "user=#{@username}&password=#{@password}"

  raise ResponseError.new auth unless auth.status == 200

  auth.body =~ /<authResult>([^<]+)<\/authResult>/

  raise 'Cannot find auth result' unless $&
  raise "Auth failed with: \"#{auth.body}\"" unless $1 == "0"

  auth.body =~ /<forwardUrl>([^<]+)<\/forwardUrl>/

  raise 'Cannot find the authenticated index url after auth' unless $&

  @indexurl = $1

  if @indexurl =~ /defaultCred/
    @indexurl.gsub!(/defaultCred/,'index')
    Moob.inform "iDRAC recommends you should change the default credentials!"
  end

  Moob.inform "Requesting indexurl of #{@indexurl}"

  # someone decided it was a good idea to include a ST2 token in every XHR
  # request. We need it for a lot of our features.
  @authhash = @indexurl.split('?')[1]
  @authhash =~ /ST2=([0-9a-f]+)/
  @st2 = $1

  if @st2.nil?
      Moob.inform 'Trying to parse ST2 token from HTML page'

      @index = @session.get @indexurl
      @index.body =~ /var TOKEN_VALUE = "([0-9a-f]+)";/
      raise ResponseError.new @index unless @index.status == 200
      @st2 = $1
  end

  @session.headers['ST2'] = @st2

  return self
end

#boot_on(level) ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 142

def boot_on level
  req = @session.post "data?set=vmBootOnce:1,firstBootDevice:#{level}", {}
  raise ResponseError.new req unless req.status == 200
  return nil
end

#decompress_response(response) ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 101

def decompress_response response
  gz_reader = Zlib::GzipReader.new(StringIO.new(response))
  gz_reader.read
end

#detect ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 106

def detect
  begin
    home = @session.get 'login.html'
    # patron doesn't (always?) decompress the body automatically
    begin
      response = decompress_response home.body
    rescue Zlib::GzipFile::Error
      response = home.body
    end
    response =~ /(Integrated Dell Remote Access Controller 8)|(iDRAC8)/
  rescue Exception => e
    false
  end
end

#drac_set_params(params) ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 224

def drac_set_params params
  params.each do |p,v|
    req = @session.post "data?set=#{p}:#{v}", {}
    raise ResponseError.new req unless req.status == 200
  end
  return nil
end

#enable_ipmi ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 220

def enable_ipmi
  drac_set_params({ 'ipmiLAN' => 1 })
end

#fetch_console_preview ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 235

def fetch_console_preview
  imgfile = Tempfile.new('console_preview')

  refreshreq = @session.get "data?get=consolepreview[auto%20#{Time.now.utc.to_i}]", {}

  raise ResponseError.new req unless refreshreq.status == 200

  req = @session.get_file "capconsole/scapture0.png?#{Time.now.utc.to_i}", imgfile.path

  raise ResponseError.new req unless req.status == 200

  content_type = req.headers['Content-type'] || req.headers['Content-Type']
  raise "Unexpected content type #{content_type}, expected 'image/' prefix" unless content_type =~ /image\//

  return imgfile, req.headers
end

#get_infos(keys) ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 195

def get_infos keys
  Moob.inform "Requesting data?get=#{keys.join(',')}"
  infos = @session.post "data?get=#{keys.join(',')}", {}

  raise ResponseError.new infos unless infos.status == 200
  raise "The status isn't OK" unless infos.body =~ /<status>ok<\/status>/

  return Hash[keys.collect do |k|
    if infos.body =~ /<#{k}>(.*?)<\/#{k}>/
      [k, $1]
    else
      [k, nil]
    end
  end]
end

#infos ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 191

def infos
  return JSON.pretty_generate get_infos INFO_FIELDS
end

#jnlp ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 123

def jnlp
  # Request system name and hostname from data end-point
  req = get_infos ['sysDesc' ,'hostname']

  # eg escaped "idrac-A1BCD2E, PowerEdge R610, User:root"
  title = CGI::escape "#{req['hostname']}, #{req['sysDesc']}, User:#{@username}"

  viewer = @session.get "viewer.jnlp(#{@hostname}@0@#{title}@#{Time.now.to_i * 1000}@#{@authhash})"
  raise ResponseError.new viewer unless viewer.status == 200

  return viewer.body
end

#logout ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 91

def logout
  if @skiplogout
    Moob.inform 'Skipping logout...'
  else
    out = @session.get 'data/logout'
    raise ResponseError.new out unless out.status == 200
  end
  return self
end

#lomreset ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 253

def lomreset
  @skiplogout = true
  drac_set_params({ 'iDracReset' => 1 })
end

#power_control(action) ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 136

def power_control action
  req = @session.post "data?set=pwState:#{action}", {}
  raise ResponseError.new req unless req.status == 200
  return nil
end

#pstatus ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 179

def pstatus
  case get_infos(['pwState'])['pwState']
  when '0'
    return :off
  when '1'
    return :on
  else
    return nil
  end
end

#set_params ⇒ Object 



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# File 'lib/moob/idrac8.rb', line 212

def set_params
  unless @params
    raise "Params are not set!"
  end
  drac_set_params @params
end