Class: Cloudscale::Plugins::RedisServerStatus

Inherits:
Plugin
  • Object
show all
Defined in:
lib/cloudscale/plugins/redis/redis_server_status.rb

Constant Summary collapse

SKIP_KEYS_REGEX = 
['gcc_version', 'master_host', 'master_link_status',
'master_port', 'mem_allocator', 'multiplexing_api', 'process_id',
'redis_git_dirty', 'redis_git_sha1', 'redis_version', '^role',
'run_id', '^slave', 'used_memory_human', 'used_memory_peak_human',
'redis_mode', 'os', 'arch_bits', 'tcp_port',
'rdb_last_bgsave_status', 'aof_last_bgrewrite_status', 'config_file',
'redis_build_id']

Instance Attribute Summary collapse

Attributes inherited from Plugin

#log, #plugins

Instance Method Summary collapse

Methods inherited from Plugin

inherited, plugins

Constructor Details

#initialize ⇒ RedisServerStatus

Returns a new instance of RedisServerStatus.



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# File 'lib/cloudscale/plugins/redis/redis_server_status.rb', line 26

def initialize
  super
  if is_enabled
    @connection = Preops::RedisPreop.instance.connection
  end
end

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/cloudscale/plugins/redis/redis_server_status.rb', line 12

def connection
  @connection
end

Instance Method Details

#collect(agentInstanceId) ⇒ Object 



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# File 'lib/cloudscale/plugins/redis/redis_server_status.rb', line 33

def collect(agentInstanceId)
  registry = Monitor::Registry.instance
  metrics = Metrics::Agent.new
  log.info("Calling Collect on RedisServerStatus")
  report_memory(registry, metrics)
  report_data(registry, metrics)
end

#is_enabled ⇒ Object 



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# File 'lib/cloudscale/plugins/redis/redis_server_status.rb', line 22

def is_enabled
  Preops::RedisPreop.instance.is_enabled
end

#report_data(registry, metrics) ⇒ Object 



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# File 'lib/cloudscale/plugins/redis/redis_server_status.rb', line 49

def report_data(registry, metrics)
  info = @connection.info

  registry.metrics["redis.uptime.seconds"] = metrics.gauge :uptime_in_seconds do
    { :value => info["uptime_in_seconds"] }
  end

  registry.metrics["redis.lru.clock"] = metrics.gauge :lru_clock do
    { :value => info["lru_clock"] }
  end

  registry.metrics["redis.connected.clients"] = metrics.gauge :connected_clients do
    { :value => info["connected_clients"] }
  end

  registry.metrics["redis.client.longest.output.list"] = metrics.gauge :client_longest_output_list do
    { :value => info["client_longest_output_list"] }
  end

  registry.metrics["redis.client.biggest.input.buffer"] = metrics.gauge :client_biggest_input_buf do
    { :value => info["client_biggest_input_buf"] }
  end

  registry.metrics["redis.blocked"] = metrics.gauge :blocked_clients do
    { :value => info["blocked_clients"] }
  end

  registry.metrics["redis.memory.used"] = metrics.gauge :used_memory do
    { :value => info["used_memory"] }
  end

  registry.metrics["redis.memory.rss"] = metrics.gauge :used_memory_rss do
    { :value => info["used_memory_rss"] }
  end

  registry.metrics["redis.memory.peak"] = metrics.gauge :used_memory_peak do
    { :value => info["used_memory_peak"] }
  end

  registry.metrics["redis.memory.lua"] = metrics.gauge :used_memory_lua do
    { :value => info["used_memory_lua"] }
  end

  registry.metrics["redis.memory.fragmentation.ratio"] = metrics.gauge :mem_fragmentation_ratio do
    { :value => info["mem_fragmentation_ratio"] }
  end

  registry.metrics["redis.rdb.changes.since.last.save"] = metrics.gauge :rdb_changes_since_last_save do
    { :value => info["rdb_changes_since_last_save"] }
  end

  registry.metrics["redis.rdb.bgsave_in_progress"] = metrics.gauge :rdb_bgsave_in_progress do
    { :value => info["rdb_bgsave_in_progress"] }
  end

  registry.metrics["redis.rdb.changes.since.last.save"] = metrics.gauge :rdb_changes_since_last_save do
    { :value => info["rdb_changes_since_last_save"] }
  end

  registry.metrics["redis.rdb.current.bgsave.time"] = metrics.gauge :rdb_current_bgsave_time_sec do
    { :value => info["rdb_current_bgsave_time_sec"] }
  end

  registry.metrics["redis.rdb.bgsave.time"] = metrics.gauge :rdb_current_bgsave_time_sec do
    { :value => info["rdb_current_bgsave_time_sec"] }
  end

  registry.metrics["redis.aof.rewrite.progress"] = metrics.gauge :aof_rewrite_in_progress do
    { :value => info["aof_rewrite_in_progress"] }
  end

  registry.metrics["redis.aof.rewrite.scheduled"] = metrics.gauge :aof_rewrite_scheduled do
    { :value => info["aof_rewrite_scheduled"] }
  end

  registry.metrics["redis.aof.last.rewrite"] = metrics.gauge :aof_last_rewrite_time_sec do
    { :value => info["aof_last_rewrite_time_sec"] }
  end

  registry.metrics["redis.aof.current.rewrite"] = metrics.gauge :aof_current_rewrite_time_sec do
    { :value => info["aof_current_rewrite_time_sec"] }
  end

  registry.metrics["redis.total.connections.received"] = metrics.gauge :total_connections_received do
    { :value => info["total_connections_received"] }
  end

  registry.metrics["redis.total.commands.processed"] = metrics.gauge :total_commands_processed do
    { :value => info["total_commands_processed"] }
  end

  registry.metrics["redis.instantaneous.ops.per.sec"] = metrics.gauge :instantaneous_ops_per_sec do
    { :value => info["instantaneous_ops_per_sec"] }
  end

  registry.metrics["redis.rejected.connections"] = metrics.gauge :rejected_connections do
    { :value => info["rejected_connections"] }
  end

  registry.metrics["redis.sync.full"] = metrics.gauge :sync_full do
    { :value => info["sync_full"] }
  end

  registry.metrics["redis.sync.partial.ok"] = metrics.gauge :sync_partial_ok do
    { :value => info["sync_partial_ok"] }
  end

  registry.metrics["redis.sync.partial.err"] = metrics.gauge :sync_partial_err do
    { :value => info["sync_partial_err"] }
  end

  registry.metrics["redis.keys.expired"] = metrics.gauge :expired_keys do
    { :value => info["expired_keys"] }
  end

  registry.metrics["redis.keys.evicted"] = metrics.gauge :evicted_keys do
    { :value => info["evicted_keys"] }
  end

  registry.metrics["redis.keyspace.hits"] = metrics.gauge :keyspace_hits do
    { :value => info["keyspace_hits"] }
  end

  registry.metrics["redis.keyspace.misses"] = metrics.gauge :keyspace_misses do
    { :value => info["keyspace_misses"] }
  end

  registry.metrics["redis.pubsub.channels"] = metrics.gauge :pubsub_channels do
    { :value => info["pubsub_channels"] }
  end

  registry.metrics["redis.pubsub.patterns"] = metrics.gauge :pubsub_patterns do
    { :value => info["pubsub_patterns"] }
  end

  registry.metrics["redis.latest.fork.used"] = metrics.gauge :latest_fork_usec do
    { :value => info["latest_fork_usec"] }
  end

  registry.metrics["redis.connected.slaves"] = metrics.gauge :connected_slaves do
    { :value => info["connected_slaves"] }
  end

  registry.metrics["redis.master.repl.offset"] = metrics.gauge :master_repl_offset do
    { :value => info["master_repl_offset"] }
  end

  registry.metrics["redis.repl.backlog.active"] = metrics.gauge :repl_backlog_active do
    { :value => info["repl_backlog_active"] }
  end

  registry.metrics["redis.repl.backlog.size"] = metrics.gauge :repl_backlog_size do
    { :value => info["repl_backlog_size"] }
  end

  registry.metrics["redis.repl.backlog.histlen"] = metrics.gauge :repl_backlog_histlen do
    { :value => info["repl_backlog_histlen"] }
  end

  registry.metrics["redis.cpu.sys"] = metrics.gauge :used_cpu_sys do
    { :value => info["used_cpu_sys"] }
  end

  registry.metrics["redis.cpu.user"] = metrics.gauge :used_cpu_user do
    { :value => info["used_cpu_user"] }
  end

  registry.metrics["redis.cpu.sys.children"] = metrics.gauge :used_cpu_sys_children do
    { :value => info["used_cpu_sys_children"] }
  end

  registry.metrics["redis.cpu.user.children"] = metrics.gauge :used_cpu_user_children do
    { :value => info["used_cpu_user_children"] }
  end
end

#report_memory(registry, metrics) ⇒ Object 



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# File 'lib/cloudscale/plugins/redis/redis_server_status.rb', line 41

def report_memory(registry, metrics)
  used_memory = @connection.info.fetch('used_memory').to_i.div(1024)

  registry.metrics["redis.memory.usage"] = metrics.gauge :used_memory_u do
    { :value => used_memory }
  end
end