pburkholder

#! /usr/bin/env ruby

require 'json'
require 'date'
require 'optparse'
require 'pp'
require 'net/http'

config_file = nil
debug = false

pburkholder

Hi Sensuite:

I'd like each node to check our graphite server to determine if its CPU steal percent merited a warning. Of course, when I tried it, that generated a thundering herd when the sensu server published a check request. I was doing this because the check_cpu.rb plugin has steal/usage that are 10x what we get from collectd (or what I observe w/ top).

I can re-implement as a standalone check with some sort of randomization around the interval, but I prefer most checks regarding node health to come from the server.

From https://github.com/sensu/sensu/blob/master/lib/sensu/client.rb#L221 it looks like one could add a random splay to `scheduling_delay` without too much hackery, but that may be undesirable.

So this brings me to the following questions:
* Is there a current method to splay the client scheduling of checks?

pburkholder

#!/usr/bin/env ruby

require 'rubygems'
require 'json'

event = JSON.parse(STDIN.read)

puts event.to_json

pburkholder

#/usr/bin/env ruby -r chef 
o = Ohai::System.new; o.load_plugins; @data = Mash.new; o.run_plugins.each { |plugin| @data = Chef::Mixin::DeepMerge.deep_merge(@data, plugin.data) }; File.open('/tmp/ohai.json', 'w') { |f| f.write(JSON.pretty_generate(@data)) }”

pburkholder

Mapping Nodes to Organizations

Chef 11.x

You'll need to run this on the Server in Orgmapper, eg:

/opt/opscode/bin/orgmapper
orgmapper>> eval(::File.read("/path/to/code.rb"))

pburkholder

# Orgmapper snippet to output all nodes with client versions in all organizations to a JSON file
# To Use:
# 1) Start orgmapper
# 2) Load the script
#     eval(::File.read("/path/to/orgmapper_all_client_versions.rb"))
# 3) output will be printed to the screen and also written to JSON_OUTPUT_FILE


JSON_OUTPUT_FILE = 'chef_versions.json'

pburkholder

---
:update_sources: true
:verbose: true
:backtrace: false
:bulk_threshold: 1000
install: "--user"
update: "--user"

pburkholder

 puts YAML.dump({ 'instances' => @immutable_array_of_mashes.map { |item| item.to_hash }})
---
instances:
- m: m
- b: b
- top: !ruby/hash:Chef::Node::ImmutableMash
    second_level: some value
  top_level_2: !ruby/array:Chef::Node::ImmutableArray
  - array
  - of

pburkholder

current_dir = File.dirname(__FILE__)
# might be interesting as Dir.pwd 
my_cookbook = File.expand_path("..", current_dir)
log_level         :info
log_location      STDOUT

# Need this to create myself as local non-privileged chef client node:
node_name         'workstation_macpro'

# use 'berks vendor' and this cookbook path:

pburkholder

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