Class: NewRelic::F5Plugin::ClientSsl

Inherits:
Object
  • Object
show all
Defined in:
lib/newrelic_f5_plugin/client_ssl.rb

Constant Summary collapse

OID_LTM_CLIENT_SSL = 
"1.3.6.1.4.1.3375.2.2.6.2"
OID_LTM_CLIENT_SSL_PROFILE_STAT = 
"#{OID_LTM_CLIENT_SSL}.2"
OID_LTM_CLIENT_SSL_STAT_ENTRY = 
"#{OID_LTM_CLIENT_SSL_PROFILE_STAT}.3.1"
OID_LTM_CLIENT_SSL_STAT_NAME = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.1"
OID_LTM_CLIENT_SSL_STAT_CUR_CONNS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.2"
OID_LTM_CLIENT_SSL_STAT_MAX_CONNS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.3"
OID_LTM_CLIENT_SSL_STAT_CUR_NATIVE_CONNS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.4"
OID_LTM_CLIENT_SSL_STAT_MAX_NATIVE_CONNS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.5"
OID_LTM_CLIENT_SSL_STAT_FULLY_HW_ACCELERATED_CONNS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.16"
OID_LTM_CLIENT_SSL_STAT_PARTIALLY_HW_ACCELERATED_CONNS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.17"
OID_LTM_CLIENT_SSL_STAT_NON_HW_ACCELERATED_CONNS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.18"
OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_CUR_ENTRIES = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.21"
OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_HITS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.22"
OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_LOOKUPS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.23"
OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_OVERFLOWS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.24"
OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_INVALIDATIONS = 
"#{OID_LTM_CLIENT_SSL_STAT_ENTRY}.25"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(snmp = nil) ⇒ ClientSsl

Init



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 97

def initialize(snmp = nil)
  @names = [ ]

  if snmp
    @snmp_manager = snmp
  else
    @snmp_manager = nil
  end
end

Instance Attribute Details

#names ⇒ Object

Returns the value of attribute names.



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 71

def names
  @names
end

#snmp_manager ⇒ Object

Returns the value of attribute snmp_manager.



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 71

def snmp_manager
  @snmp_manager
end

Instance Method Details

#get_conns_current(snmp = nil) ⇒ Object

Gather current connection count



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 180

def get_conns_current(snmp = nil)
  snmp = snmp_manager unless snmp

  get_names(snmp) if @names.empty?
  res = gather_snmp_metrics_by_name("Client SSL Profiles/Current Connections", @names, OID_LTM_CLIENT_SSL_STAT_CUR_CONNS, snmp)
  NewRelic::PlatformLogger.debug("Client SSL Profiles: Got #{res.size}/#{@names.size} Current Connection metrics")
  return res
end

#get_names(snmp = nil) ⇒ Object

Get the list of iRule names



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 154

def get_names(snmp = nil)
  snmp = snmp_manager unless snmp

  if snmp
    @names.clear

    begin
      snmp.walk([OID_LTM_CLIENT_SSL_STAT_NAME]) do |row|
        row.each do |vb|
          @names.push(vb.value)
        end
      end
    rescue Exception => e
      NewRelic::PlatformLogger.error("Unable to gather Client SSL Profile names with error: #{e}")
    end

    NewRelic::PlatformLogger.debug("Client SSL Profiles: Found #{@names.size}")
    return @names
  end
end

#get_session_cache_current(snmp = nil) ⇒ Object

Gather current cache entries



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 194

def get_session_cache_current(snmp = nil)
  snmp = snmp_manager unless snmp

  get_names(snmp) if @names.empty?
  res = gather_snmp_metrics_by_name("Client SSL Profiles/Current Cache Entries", @names, OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_CUR_ENTRIES, snmp)
  NewRelic::PlatformLogger.debug("Client SSL Profiles: Got #{res.size}/#{@names.size} Current Session Cache metrics")
  return res
end

#get_session_cache_hits(snmp = nil) ⇒ Object

Gather session cache hits



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 208

def get_session_cache_hits(snmp = nil)
  snmp = snmp_manager unless snmp

  get_names(snmp) if @names.empty?
  res = gather_snmp_metrics_by_name("Client SSL Profiles/Session Cache Hits", @names, OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_HITS, snmp)
  NewRelic::PlatformLogger.debug("Client SSL Profiles: Got #{res.size}/#{@names.size} Session Cache Hit metrics")
  return res
end

#get_session_cache_invalidations(snmp = nil) ⇒ Object

Gather session cache invalidations



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 250

def get_session_cache_invalidations(snmp = nil)
  snmp = snmp_manager unless snmp

  get_names(snmp) if @names.empty?
  res = gather_snmp_metrics_by_name("Client SSL Profiles/Session Cache Invalidations", @names, OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_INVALIDATIONS, snmp)
  NewRelic::PlatformLogger.debug("Client SSL Profiles: Got #{res.size}/#{@names.size} Session Cache Invalidation metrics")
  return res
end

#get_session_cache_lookups(snmp = nil) ⇒ Object

Gather session cache lookups



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 222

def get_session_cache_lookups(snmp = nil)
  snmp = snmp_manager unless snmp

  get_names(snmp) if @names.empty?
  res = gather_snmp_metrics_by_name("Client SSL Profiles/Session Cache Lookups", @names, OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_LOOKUPS, snmp)
  NewRelic::PlatformLogger.debug("Client SSL Profiles: Got #{res.size}/#{@names.size} Session Cache Lookup metrics")
  return res
end

#get_session_cache_overflows(snmp = nil) ⇒ Object

Gather session cache overflows



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 236

def get_session_cache_overflows(snmp = nil)
  snmp = snmp_manager unless snmp

  get_names(snmp) if @names.empty?
  res = gather_snmp_metrics_by_name("Client SSL Profiles/Session Cache Overflows", @names, OID_LTM_CLIENT_SSL_STAT_SESS_CACHE_OVERFLOWS, snmp)
  NewRelic::PlatformLogger.debug("Client SSL Profiles: Got #{res.size}/#{@names.size} Session Cache Overflow metrics")
  return res
end

#poll(agent, snmp) ⇒ Object

Perform polling and reportings of metrics



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# File 'lib/newrelic_f5_plugin/client_ssl.rb', line 111

def poll(agent, snmp)
  @snmp_manager = snmp

  unless get_names.empty?
    clientssl_conns_current = get_conns_current
    clientssl_conns_current.each_key { |m| agent.report_metric m, "conns", clientssl_conns_current[m] } unless clientssl_conns_current.nil?

    clientssl_session_cache_current = get_session_cache_current
    clientssl_session_cache_current.each_key { |m| agent.report_metric m, "entries", clientssl_session_cache_current[m] } unless clientssl_session_cache_current.nil?

    clientssl_session_cache_hits = get_session_cache_hits
    clientssl_session_cache_hits.each_key { |m| agent.report_counter_metric m, "hits/sec", clientssl_session_cache_hits[m] } unless clientssl_session_cache_hits.nil?

    clientssl_session_cache_lookups = get_session_cache_lookups
    clientssl_session_cache_lookups.each_key { |m| agent.report_counter_metric m, "lookups/sec", clientssl_session_cache_lookups[m] } unless clientssl_session_cache_lookups.nil?

    NewRelic::PlatformLogger.debug("Calculating Client SSL Profile hit ratios")
    clientssl_hit_ratio = { }
    clientssl_session_cache_hits.each_key do |h|
      key = h.gsub(/^Client SSL Profiles\/Session Cache Hits\//, '')
      l = "Client SSL Profiles/Session Cache Lookups/#{key}"
      p = "Client SSL Profiles/Session Cache Hit Ratio/#{key}"
      unless clientssl_session_cache_lookups[l].nil?
        if clientssl_session_cache_lookups[l].to_f > 0
          clientssl_hit_ratio[p] = (clientssl_session_cache_hits[h].to_f / clientssl_session_cache_lookups[l].to_f) * 100
        else
          clientssl_hit_ratio[p] = 0.0
        end
      end
    end
    clientssl_hit_ratio.each_key { |m| agent.report_metric m, "%", clientssl_hit_ratio[m] } unless clientssl_hit_ratio.empty?

    clientssl_session_cache_overflows = get_session_cache_overflows
    clientssl_session_cache_overflows.each_key { |m| agent.report_counter_metric m, "overflows/sec", clientssl_session_cache_overflows[m] } unless clientssl_session_cache_overflows.nil?

    clientssl_session_cache_invalidations = get_session_cache_invalidations
    clientssl_session_cache_invalidations.each_key { |m| agent.report_counter_metric m, "invld/sec", clientssl_session_cache_invalidations[m] } unless clientssl_session_cache_invalidations.nil?
  end
end