Class: Odania::Config::GlobalConfig

Inherits:
PluginConfig show all
Defined in:
lib/odania/config/global_config.rb

Instance Attribute Summary

Attributes inherited from PluginConfig

#config, #domains, #plugin_config

Instance Method Summary collapse

Methods inherited from PluginConfig

#[], #initialize, #load

Constructor Details

This class inherits a constructor from Odania::Config::PluginConfig

Instance Method Details

#add_backend(backend_config) ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 140

def add_backend(backend_config)
	return if backend_config.ServiceAddress.nil? or backend_config.ServiceAddress.empty?

	backend = Backend.new(backend_config.ServiceName, backend_config.ServiceID, backend_config.ServiceAddress, backend_config.ServicePort)
	@backend_groups[backend_config.ServiceName].add_backend backend
	@backend_groups[backend_config.ServiceName].check_core_backend backend_config.ServiceTags
end

#add_plugin_config(plugin_cfg) ⇒ Object

Add the configuration from the plugin



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# File 'lib/odania/config/global_config.rb', line 101

def add_plugin_config(plugin_cfg)
	config_section = plugin_cfg['config']
	group_name = plugin_cfg['plugin-config']['name']

	if $debug
		$logger.info 'Loading configuration'
		puts JSON.pretty_generate plugin_cfg
	end

	@plugin_config[group_name] = plugin_cfg['plugin-config']
	@valid_domains.deep_merge!(plugin_cfg['valid_domains']) unless plugin_cfg['valid_domains'].nil?
	@default_domains.deep_merge!(plugin_cfg['default_domains']) unless plugin_cfg['default_domains'].nil?
	@partials.deep_merge!(plugin_cfg['partials']) unless plugin_cfg['partials'].nil?

	# Add this service as a default backend if specified
	@default_backend_groups << group_name if plugin_cfg['plugin-config']['default']

	# Add config
	unless config_section.nil?
		config_section.each_pair do |key, _val|
			unless @config[key].nil?
				@duplicates.add :config, {key => 'already defined'}, group_name
			end
		end
		@config.deep_merge! config_section
	end

	# Add Domain Information
	unless plugin_cfg['domains'].nil?
		plugin_cfg['domains'].each_pair do |name, data|
			@domains[name].add(data, group_name).each do |duplicate_key, duplicate_data|
				@duplicates.add duplicate_key, duplicate_data, group_name
			end
		end
	end

	true
end

#backend_groups ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 165

def backend_groups
	@backend_groups
end

#default_backend ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 169

def default_backend
	group_name = @default_backend_groups.first
	group_name = @backend_groups.keys.first if group_name.nil?
	raise 'No backend found' if @backend_groups.empty?
	@backend_groups[group_name].backends.first
end

#default_domains ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 180

def default_domains
	@default_domains
end

#default_redirects ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 188

def default_redirects
	general = @domains['_general'].subdomain('_general')
	return {} if general.nil?
	general.redirects
end

#dump ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 194

def dump
	cfg = super
	cfg['default_backend_groups'] = @default_backend_groups
	cfg['default_domains'] = @default_domains
	cfg['valid_domains'] = @valid_domains
	cfg['partials'] = @partials
	cfg
end

#duplicates ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 161

def duplicates
	@duplicates.duplicates
end

#generate_global_config ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 64

def generate_global_config
	$logger.info 'Loading plugin configs from consul'
	load_from_consul

	$logger.info 'Generating global config'
	config = self.dump
	puts JSON.pretty_generate config if $debug
	Odania.plugin.set_global_config config

	generate_subdomain_configs config
	write_valid_domain_config

	config
end

#generate_subdomain_configs(config) ⇒ Object

Generate a config per subdomain



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# File 'lib/odania/config/global_config.rb', line 80

def generate_subdomain_configs(config)
	$logger.info 'Generating subdomain configs'
	@valid_domains.each do |domain, subdomains|
		subdomains.each do |subdomain|
			$logger.info "Generating Subdomain Config for Domain: #{domain} Subdomain: #{subdomain}"
			subdomain_config = SubdomainConfig.new(config, domain, subdomain).generate
			Odania.plugin.set_subdomain_config "#{subdomain}.#{domain}", subdomain_config
		end
	end
end

#load_from_consul ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 34

def load_from_consul
	Odania.plugin.get_all.each_pair do |plugin_name, instances|
		$logger.info "PLUGIN NAME #{plugin_name} - #{instances.count}" if $debug
		instances.each do |instance|
			add_backend(instance)
		end

		config = Odania.plugin.config_for plugin_name
		next if config.nil?

		begin
			puts JSON.pretty_generate config if $debug
			self.add_plugin_config(config)
		rescue => e
			$logger.error 'Error loading configuration'
			$logger.error 'Config start ' + '+' * 50
			puts JSON.pretty_generate config
			$logger.error 'Config end ' + '+' * 50
			$logger.error 'Error start ' + '+' * 50
			$logger.error e.inspect
			$logger.error 'Error end ' + '+' * 50
			$logger.error 'Error backtrace start ' + '+' * 50
			e.backtrace.each do |line|
				$logger.error line
			end
			$logger.error 'Error backtrace end ' + '+' * 50
		end
	end
end

#load_global_config(config) ⇒ Object

Load the global configuration



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# File 'lib/odania/config/global_config.rb', line 5

def load_global_config(config)
	throw 'Invalid global config!' if config.nil?

	reset
	@default_backend_groups = config['default_backend_groups'] unless config['default_backend_groups'].nil?
	@valid_domains = config['valid_domains'] unless config['valid_domains'].nil?
	@default_domains = config['default_domains'] unless config['default_domains'].nil?
	@partials = config['partials'] unless config['partials'].nil?

	unless config['domains'].nil?
		config['domains'].each_pair do |name, data|
			@domains[name].load(data)
		end
	end

	# load backends from consul
	Odania.plugin.get_all.each_pair do |_name, instances|
		instances.each do |instance|
			add_backend(instance)
		end
	end

	#puts config.inspect
	#puts @backend_groups.inspect
	#puts @default_backend_groups.inspect

	self
end

#partials ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 184

def partials
	@partials
end

#reset ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 148

def reset
	super

	@default_backend_groups = []
	@duplicates = Duplicates.new
	@backend_groups = Hash.new { |hash, key| hash[key] = BackendGroup.new(key) }
	@valid_domains = {}
	@default_domains = {}
	@partials = {}

	@domains['_general'].add_subdomain('_general')
end

#valid_domains ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 176

def valid_domains
	@valid_domains
end

#write_valid_domain_config ⇒ Object 



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# File 'lib/odania/config/global_config.rb', line 91

def write_valid_domain_config
	$logger.info 'Writing valid domain config'
	config = {
		valid_domains: @valid_domains,
		default_domains: @default_domains
	}
	Odania.plugin.set_valid_domain_config config
end