Class: Fluent::TelemetryIosxeInput

Inherits:
Input
  • Object
show all
Defined in:
lib/fluent/plugin/in_telemetry_iosxe.rb

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/in_telemetry_iosxe.rb', line 31

def configure(conf)
  super
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/in_telemetry_iosxe.rb', line 89

def shutdown
  log.info "shutdown ..."
  delete_subscription = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<rpc message-id=\"101\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n<delete-subscription xmlns=\"urn:ietf:params:xml:ns:yang:ietf-event-notifications\" xmlns:netconf=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n<subscription-id>\#{@subscription_id}</subscription-id>\n</delete-subscription>\n</rpc>]]>]]>\n"
  close_session = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<rpc message-id=\"101\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n<close-session/>\n</rpc>]]>]]>\n"
  @channel.send_data(delete_subscription)
  @channel.send_data(close_session)
  @ssh.close
  super
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_telemetry_iosxe.rb', line 35

def start
  super
  @sigint = false
  trap :INT do
    log.info "got SIGINT ..."
    @sigint = true
  end
  @hello_done = false
  @buffer = ""
  @parser = Nori.new(:parser => @parser, :advanced_typecasting => false)
  hello = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<hello xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n<capabilities>\n<capability>urn:ietf:params:netconf:base:1.0</capability>\n</capabilities>\n</hello>]]>]]>\n"

  subscription = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<rpc message-id=\"101\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n<establish-subscription xmlns=\"urn:ietf:params:xml:ns:yang:ietf-event-notifications\" xmlns:yp=\"urn:ietf:params:xml:ns:yang:ietf-yang-push\">\n<stream>yp:yang-push</stream>\n<yp:xpath-filter>\#{@xpath_filter}</yp:xpath-filter>\n<yp:period>\#{@period}</yp:period>\n</establish-subscription>\n</rpc>\n"
  
  @ssh = Net::SSH.start(@server, @user, :port => @port, :password => @password, :timeout => 10)
  @channel = @ssh.open_channel do |channel|
    channel.subsystem("netconf") do |ch, success|
      raise "subsystem could not be started" unless success
      ch.on_data do |c, data|
        log.debug "on data ..."
        log.debug data
        receive_data(data)
      end
      ch.on_close do |c|
        log.debug "on close ..."
      end
      ch.on_eof do |c|
        log.debug "on eof ..."
      end
      log.info "send hello"
      ch.send_data(hello)
      log.info "send subscription"
      ch.send_data(subscription)
    end
  end
  @ssh.loop(1) { not @sigint } # if we get sigint, we need to end loop 
end