Class: PropertyGenerator::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/generator/service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(service_data, config, globals) ⇒ Service

Returns a new instance of Service.



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# File 'lib/generator/service.rb', line 8

def initialize(service_data, config, globals)
  @service_data = service_data
  @environments = config.environments
  @globals = globals
  @environment_configs = config.environment_configs
  set_service
end

Instance Attribute Details

#service ⇒ Object

Returns the value of attribute service.



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# File 'lib/generator/service.rb', line 6

def service
  @service
end

Instance Method Details

#interpolate ⇒ Object 



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# File 'lib/generator/service.rb', line 25

def interpolate
  environments = @environments
  #read in config
  #interate through environment and substitute config for values for that environment
  environments.each do | env|
    #get the map of config for a env
    interpolations = @environment_configs[env]['interpolations']

    # Recursively interate through the properties for an environment and gsub the config
    # with defined interpolations.
    interpolate_nested_properties(@service[env], interpolations)
  end
  service
end

#interpolate_nested_properties(service_env, interpolations) ⇒ Object 



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# File 'lib/generator/service.rb', line 40

def interpolate_nested_properties(service_env, interpolations)
  interpolations.each do |matcher_key, matcher_value|
    service_env.each { |k,v|  service_env[k] = v.gsub("{#{matcher_key}}", matcher_value) if v.class == String && v.include?("{#{matcher_key}}")}
    service_env.values.each { |v| interpolate_nested_properties(v, interpolations)  if v.class == Hash }
  end
end

#merge_env_default(data, environments) ⇒ Object 



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# File 'lib/generator/service.rb', line 47

def merge_env_default(data, environments)
  #creates a hash of the enviornments merged with the defaults
  # {service => {env1 =>  {properties},
  #             env2 => {properties}
  #           }
  # }
  output = {}
  default = data['default']

  environments.each do |env|
    default_clone = default.dup
    #if nil, use set to environments as nothing to merge env with
    data['environments'] ||= {}
    data['environments'][env] ||= {}
    environment_data = data['environments'][env].dup
    if data['encrypted']
      encrypted = data['encrypted'][env].dup unless data['encrypted'][env].nil?
      environment_data = data['environments'][env].deep_merge(encrypted) unless encrypted.nil?
    end
    if default_clone.nil?
      merged = environment_data
    else
      merged = default_clone.merge(environment_data)
    end
    output[env] = merged
  end
  output
end

#merge_service_with_globals(globals_data, service_data, environments) ⇒ Object 



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# File 'lib/generator/service.rb', line 76

def merge_service_with_globals(globals_data, service_data, environments)
  #service will now overwrite globals, merging will be done for each environment
  output = {}
  envs = environments
  envs.each do |env|
    globals_clone = globals_data.dup
    if globals_clone[env].nil? || globals_clone[env] == false
      merged = service_data[env]
    else
      merged = globals_clone[env].merge(service_data[env])
    end
    output[env] = merged
  end
  output
end

#set_service ⇒ Object 



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# File 'lib/generator/service.rb', line 16

def set_service
  service_data = merge_env_default(@service_data, @environments)
  @service = merge_service_with_globals(@globals, service_data, @environments)
end