gistfile1.txt

{
  "version": "0.9.6-4",
  "rabbitmq": {  
    "host": "localhost",
    "port": 5672,
    "vhost": "/sensu",
    "user": "sensu",
    "password": "blah",
    "heartbeat": 20
  },
  "redis": {
    "host": "localhost",
    "port": 6379 
  },
  "api": {
    "host": "localhost",
    "port": 4567 
  },
  "dashboard": { 
    "host": "0.0.0.0",
    "port": 8080,
    "user": "admin",
    "password": "1q2w3e"
  },
  "client": {
    "name": "monitor1",
    "address": "10.0.0.196",
    "subscriptions": [
      "base",
      "monitoring_server"
    ]
  },
  "handlers": {  
    "debug": {
      "command": "/etc/sensu/handlers/debug.rb",
      "type": "pipe"
    },
    "mailer": {
      "command": "/etc/sensu/handlers/notification/mailer.rb",
      "type": "pipe"
    },
    "default": { 
      "handlers": [
        "debug", 
        "mailer" 
      ],
      "type": "set"
    }
  },
  "checks": {
    "chef_client": {
      "custom_attribute_here": "value",
      "command": "/etc/sensu/plugins/check-procs.rb -p chef-client -W 1 -w 2 -c 3",
      "interval": 60,
      "notification": "Chef client daemon is not running.",
      "subscribers": [
        "base"   
      ],
      "handlers": [
        "default"
      ]
    },
    "disk_usage": {
      "command": "/etc/sensu/plugins/check-disk.rb -w 90 -c 95 -x nfs,tmpfs,fuse -i /boot,/mnt/data_imports",
      "interval": 60,
      "notification": "Disk usage is too high.",
      "subscribers": [
        "base"   
      ],
      "handlers": [
        "default"
      ]
    }
  }
}

Logs:
Server:
{"timestamp":"2012-11-02T22:11:57.125030+0000","message":"received signal","signal":"TERM","level":"warn"}
{"timestamp":"2012-11-02T22:11:57.125324+0000","message":"stopping","level":"warn"}
{"timestamp":"2012-11-02T22:11:57.125494+0000","message":"unsubscribing from keepalives","level":"warn"}

Client:
{"timestamp":"2012-11-02T22:46:18.971259+0000","message":"received signal","signal":"TERM","level":"warn"}
{"timestamp":"2012-11-02T22:46:18.971459+0000","message":"stopping","level":"warn"}
{"timestamp":"2012-11-02T22:46:18.971610+0000","message":"unsubscribing from client subscriptions","level":"warn"}
{"timestamp":"2012-11-02T22:46:18.983882+0000","message":"completing checks in progress","checks_in_progress":[],"level":"info"}
{"timestamp":"2012-11-02T22:46:18.984213+0000","message":"stopping reactor","level":"warn"}
CONNECTION_FORCED - broker forced connection closure with reason 'shutdown' in to_i