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 = <<-EOS
<?xml version="1.0" encoding="utf-8"?>
<rpc message-id="101" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
  <delete-subscription xmlns="urn:ietf:params:xml:ns:yang:ietf-event-notifications" xmlns:netconf="urn:ietf:params:xml:ns:netconf:base:1.0">
<subscription-id>#{@subscription_id}</subscription-id>
  </delete-subscription>
</rpc>]]>]]>
  EOS
  close_session = <<-EOS
<?xml version="1.0" encoding="utf-8"?>
<rpc message-id="101" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
  <close-session/>
</rpc>]]>]]>
  EOS
  @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 = <<-EOS
<?xml version="1.0" encoding="UTF-8"?>
<hello xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
  <capabilities>
<capability>urn:ietf:params:netconf:base:1.0</capability>
  </capabilities>
</hello>]]>]]>
  EOS

  subscription = <<-EOS
<?xml version="1.0" encoding="utf-8"?>
<rpc message-id="101" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
  <establish-subscription xmlns="urn:ietf:params:xml:ns:yang:ietf-event-notifications" xmlns:yp="urn:ietf:params:xml:ns:yang:ietf-yang-push">
<stream>yp:yang-push</stream>
<yp:xpath-filter>#{@xpath_filter}</yp:xpath-filter>
<yp:period>#{@period}</yp:period>
  </establish-subscription>
</rpc>
  EOS
  
  @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