Class: Gitchefsync::ScheduleSync

Inherits:
Object
  • Object
show all
Defined in:
lib/gitchefsync/schedule.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ScheduleSync 



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# File 'lib/gitchefsync/schedule.rb', line 6

def initialize()
  options = Gitchefsync.options
  config = Gitchefsync.configuration
  
  @lock_filename = config['lock_filename'] || 'sync.lock'
  @lock_timeout = config['lock_timeout'] || 10
  @lock_timeout = @lock_timeout.to_i
  
  @master_sync_timeout = config['master_sync_timeout'] || 600
  @master_sync_timeout = @master_sync_timeout.to_i
        
  @sous_rsync_user = config['sous_rsync_user'] || 'chefsync'
  @sous_rsync_host = config['sous_rsync_host'] || ''
  @sous_rsync_src = config['sous_rsync_src'] || config['stage_dir'] || '/opt/gitchefsync/staging/'
  @sous_rsync_dest = config['sous_rsync_dest'] || 
                     File.join(File::SEPARATOR, config['stage_dir'].split(File::SEPARATOR)[1..-2]) || 
                     '/opt/gitchefsync/'
  @sous_rsync_options = config['sous_rsync_options'] || '-ar --delete'
  @sous_rsync_excludes = config['sous_rsync_excludes'] || '.chef .snapshot'
  
  @sous_sync_timeout = config['sous_sync_timeout'] || 600
  @sous_sync_timeout = @sous_sync_timeout.to_i 
end

Instance Method Details

#cleanTmp ⇒ Object

Due to ridley bug (4.0.0+ possibly earlier) -clean the tmp directories takes current “Date” and cleans up



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# File 'lib/gitchefsync/schedule.rb', line 124

def cleanTmp
  ts_str = "/tmp/d" + Date.today.strftime("%Y%m%d") + "-*"
  Gitchefsync.logger.info "clean up of #{ts_str}"
  FS.cmdNoError "sudo rm -fr #{ts_str}"
end

#master ⇒ Object 



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# File 'lib/gitchefsync/schedule.rb', line 44

def master
  lock_file = obtainExclusiveLock
  
  begin
    Timeout::timeout(@master_sync_timeout) do
      Gitchefsync.logger.info "event_id=master_sync_starting"
  
      #Setup and check Gitlab API endpoint
      Gitlab.endpoint = 'http://gitlab.rim.net/api/v3'
      Gitchefsync.checkGit
  
      Gitchefsync.syncEnv
      Gitchefsync.syncCookbooks
      Gitchefsync.reconcile
      cleanTmp()
      Gitchefsync.logger.info "event_id=master_sync_completed"
      
      # MAND-615 - This file will signal its ok for this directory to be sous sync target
      File.write(File.join(@sous_rsync_src, "master_sync_completed"), "")
    end
  rescue Timeout::Error
    Gitchefsync.logger.fatal "event_id=master_sync_timed_out:master_sync_timeout=#{@master_sync_timeout}"
    exit 1
  rescue => e
    Gitchefsync.logger.error "event_id=caught_exception:msg=#{e.message}"
  end
  lock_file.close
end

#obtainExclusiveLock ⇒ Object 



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# File 'lib/gitchefsync/schedule.rb', line 30

def obtainExclusiveLock 
  Gitchefsync.logger.info "event_id=attempt_to_lock_file:lock_filename=#{@lock_filename}"
  lock_file = File.open(@lock_filename, File::RDWR|File::CREAT, 0644)
  
  begin
    Timeout::timeout(@lock_timeout) { lock_file.flock(File::LOCK_EX) }
  rescue
    Gitchefsync.logger.fatal "event_id=unable_to_lock_file:lock_filename=#{@lock_filename}"
    exit 1
  end
  
  lock_file
end

#sous ⇒ Object 



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# File 'lib/gitchefsync/schedule.rb', line 73

def sous
  lock_file = obtainExclusiveLock
  
  begin
    Timeout::timeout(@sous_sync_timeout) do
      Gitchefsync.logger.info "event_id=sous_sync_starting"
      
      exclude = ""
      @sous_rsync_excludes.split(" ").each do |pattern|
        exclude = "#{exclude} --exclude #{pattern}"
      end
      
      if @sous_rsync_host.empty?
        Gitchefsync.logger.fatal "event_id=sous_rsync_host_not_configured"
        exit 1
      end
      
      master_sync_completed = File.join(@sous_rsync_src, "master_sync_completed")
      master_sync_completed_cmd = "ssh #{@sous_rsync_user}@#{@sous_rsync_host} ls #{master_sync_completed} 2>/dev/null"
      Gitchefsync.logger.info "event_id=check_master_sync_completed:cmd=#{master_sync_completed_cmd}"
      master_sync_completed_stdout = FS.cmd "#{master_sync_completed_cmd}"
      
      # MAND-615 - Do not perform an rsync on #{master_sync_completed} target if empty.
      # Avoid doing rsync command and staged cookbook/env upload in situation where master 
      # chef server was re-instantiated and master sync has yet to run once.
      if master_sync_completed_stdout.empty?
        Gitchefsync.logger.fatal "event_id=missing_master_sync_completed_file:master_sync_completed=#{master_sync_completed}"
        exit 1
      end
        
      rsync_cmd = "rsync #{@sous_rsync_options} #{exclude} #{@sous_rsync_user}@#{@sous_rsync_host}:#{@sous_rsync_src} #{@sous_rsync_dest} 2>/dev/null"
      Gitchefsync.logger.info "event_id=execute_rsync:cmd=#{rsync_cmd}"
      FS.cmd "#{rsync_cmd}"
  
      Gitchefsync.stagedUpload
      Gitchefsync.syncEnv
      Gitchefsync.reconcile
      cleanTmp()
      Gitchefsync.logger.info "event_id=sous_sync_completed"
    end
  rescue Timeout::Error
    Gitchefsync.logger.fatal "event_id=sous_sync_timed_out:sous_sync_timeout=#{@sous_sync_timeout}"
    exit 1
  rescue => e
    Gitchefsync.logger.error "event_id=caught_exception:msg=#{e.message}"
  end
  lock_file.close
end