Class: ChefSync

Inherits:
Object
  • Object
show all
Defined in:
lib/chef_sync.rb,
lib/chef_sync/knife.rb,
lib/chef_sync/version.rb,
lib/chef_sync/chef_component.rb

Defined Under Namespace

Classes: ChefComponent, Cookbook, DataBagItem, Environment, Knife, Role

Constant Summary collapse

RESOURCE_TYPES = 
[Role, Environment, DataBagItem, Cookbook]
DRYRUN_MESSAGE = 
"This was a dry run. Nothing has been updated on the chef server. "
DEFAULT_LOG_MESSAGE = 
"There were no changes."
VERSION = 
"1.0.7"

Instance Method Summary collapse

Constructor Details

#initialize(slack = false, dryrun = true) ⇒ ChefSync

Returns a new instance of ChefSync.



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# File 'lib/chef_sync.rb', line 18

def initialize(slack=false,dryrun=true)
	@slack = slack
	@dryrun = dryrun
	@summary = ""
	@log = []
end

Instance Method Details

#post_to_slack ⇒ Object 



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# File 'lib/chef_sync.rb', line 40

def post_to_slack
	opts = { webhook_url: ENV['CHEFSYNC_SLACK_WEBHOOK_URL'] }
	opts[:username] = ENV['CHEFSYNC_SLACK_USERNAME'] if ENV['CHEFSYNC_SLACK_USERNAME']
	opts[:channel] = ENV['CHEFSYNC_SLACK_CHANNEL'] if ENV['CHEFSYNC_SLACK_CHANNEL']

	::Slack::Post.configure( opts )
	begin
		::Slack::Post.post_with_attachments(self.pretext, self.slack_attachment)
	#Assuming that a RuntimeError is due to improperly configured Slack::Post.
	rescue RuntimeError => e
		puts "Couldn't post to Slack: #{e}"
	end
end

#pretext ⇒ Object 



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# File 'lib/chef_sync.rb', line 74

def pretext
	if ENV['CHEFSYNC_CI_BUILD_URL'].nil? or ENV['CHEFSYNC_COMMIT_URL'].nil?
		return "chef-sync run triggered."
	else
		return "<#{ENV['CHEFSYNC_CI_BUILD_URL']}|CI build> triggered by <#{ENV['CHEFSYNC_COMMIT_URL']}|commit>."
	end
end

#run ⇒ Object 



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# File 'lib/chef_sync.rb', line 25

def run
	@summary = DRYRUN_MESSAGE.dup if @dryrun

	RESOURCE_TYPES.each do |resource|
		responses = resource.changes(@dryrun)
		@summary << "#{responses.count}/#{resource.total_resources} #{resource.resource_type}s have changed. "
		@log += responses
	end

	@log << DEFAULT_LOG_MESSAGE if @log.empty?

	self.post_to_slack if @slack
	return @summary, @log
end

#slack_attachment ⇒ Object 



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# File 'lib/chef_sync.rb', line 54

def slack_attachment
	[
		{
			fallback: @summary,
			fields: [
				{
					title: 'Summary',
					value: @summary,
					short: false
				},
				{
					title: 'Changes',
					value: @log.join("\n"),
					short: false
				}
			]
		}
	]
end