From 2877c1975bee30ef0b83b11c652e052c0001fd55 Mon Sep 17 00:00:00 2001 From: elijah Date: Mon, 10 Feb 2014 00:08:46 -0800 Subject: different secrets for each environment --- lib/leap_cli/config/object.rb | 93 ++++++++++++++++++++++++------------------- 1 file changed, 51 insertions(+), 42 deletions(-) (limited to 'lib/leap_cli/config/object.rb') diff --git a/lib/leap_cli/config/object.rb b/lib/leap_cli/config/object.rb index 47800d5..3b34e78 100644 --- a/lib/leap_cli/config/object.rb +++ b/lib/leap_cli/config/object.rb @@ -33,24 +33,29 @@ module LeapCli @node = node || self end + # + # export YAML # # We use pure ruby yaml exporter ya2yaml instead of SYCK or PSYCH because it # allows us greater compatibility regardless of installed ruby version and # greater control over how the yaml is exported (sorted keys, in particular). # - def dump - evaluate + def dump_yaml + evaluate(@node) ya2yaml(:syck_compatible => true) end + # + # export JSON + # def dump_json - evaluate + evaluate(@node) JSON.sorted_generate(self) end - def evaluate - evaluate_everything - late_evaluate_everything + def evaluate(context) + evaluate_everything(context) + late_evaluate_everything(context) end ## @@ -204,13 +209,13 @@ module LeapCli # # walks the object tree, eval'ing all the attributes that are dynamic ruby (e.g. value starts with '= ') # - def evaluate_everything + def evaluate_everything(context) keys.each do |key| - obj = fetch_value(key) + obj = fetch_value(key, context) if is_required_value_not_set?(obj) Util::log 0, :warning, "required key \"#{key}\" is not set in node \"#{node.name}\"." elsif obj.is_a? Config::Object - obj.evaluate_everything + obj.evaluate_everything(context) end end end @@ -218,10 +223,10 @@ module LeapCli # # some keys need to be evaluated 'late', after all the other keys have been evaluated. # - def late_evaluate_everything + def late_evaluate_everything(context) if @late_eval_list @late_eval_list.each do |key, value| - self[key] = evaluate_now(key, value) + self[key] = context.evaluate_ruby(key, value) if is_required_value_not_set?(self[key]) Util::log 0, :warning, "required key \"#{key}\" is not set in node \"#{node.name}\"." end @@ -229,44 +234,24 @@ module LeapCli end values.each do |obj| if obj.is_a? Config::Object - obj.late_evaluate_everything + obj.late_evaluate_everything(context) end end end - private - # - # fetches the value for the key, evaluating the value as ruby if it begins with '=' + # evaluates the string `value` as ruby in the context of self. + # (`key` is just passed for debugging purposes) # - def fetch_value(key) - value = fetch(key, nil) - if value.is_a?(String) && value =~ /^=/ - if value =~ /^=> (.*)$/ - value = evaluate_later(key, $1) - elsif value =~ /^= (.*)$/ - value = evaluate_now(key, $1) - end - self[key] = value - end - return value - end - - def evaluate_later(key, value) - @late_eval_list ||= [] - @late_eval_list << [key, value] - '' - end - - def evaluate_now(key, value) + def evaluate_ruby(key, value) result = nil if LeapCli.log_level >= 2 - result = @node.instance_eval(value) + result = self.instance_eval(value) else begin - result = @node.instance_eval(value) + result = self.instance_eval(value) rescue SystemStackError => exc - Util::log 0, :error, "while evaluating node '#{@node.name}'" + Util::log 0, :error, "while evaluating node '#{self.name}'" Util::log 0, "offending key: #{key}", :indent => 1 Util::log 0, "offending string: #{value}", :indent => 1 Util::log 0, "STACK OVERFLOW, BAILING OUT. There must be an eval loop of death (variables with circular dependencies).", :indent => 1 @@ -274,9 +259,9 @@ module LeapCli rescue FileMissing => exc Util::bail! do if exc.options[:missing] - Util::log :missing, exc.options[:missing].gsub('$node', @node.name) + Util::log :missing, exc.options[:missing].gsub('$node', self.name) else - Util::log :error, "while evaluating node '#{@node.name}'" + Util::log :error, "while evaluating node '#{self.name}'" Util::log "offending key: #{key}", :indent => 1 Util::log "offending string: #{value}", :indent => 1 Util::log "error message: no file '#{exc}'", :indent => 1 @@ -284,13 +269,13 @@ module LeapCli end rescue AssertionFailed => exc Util.bail! do - Util::log :failed, "assertion while evaluating node '#{@node.name}'" + Util::log :failed, "assertion while evaluating node '#{self.name}'" Util::log 'assertion: %s' % exc.assertion, :indent => 1 Util::log "offending key: #{key}", :indent => 1 end rescue SyntaxError, StandardError => exc Util::bail! do - Util::log :error, "while evaluating node '#{@node.name}'" + Util::log :error, "while evaluating node '#{self.name}'" Util::log "offending key: #{key}", :indent => 1 Util::log "offending string: #{value}", :indent => 1 Util::log "error message: #{exc.inspect}", :indent => 1 @@ -300,6 +285,30 @@ module LeapCli return result end + private + + # + # fetches the value for the key, evaluating the value as ruby if it begins with '=' + # + def fetch_value(key, context=@node) + value = fetch(key, nil) + if value.is_a?(String) && value =~ /^=/ + if value =~ /^=> (.*)$/ + value = evaluate_later(key, $1) + elsif value =~ /^= (.*)$/ + value = context.evaluate_ruby(key, $1) + end + self[key] = value + end + return value + end + + def evaluate_later(key, value) + @late_eval_list ||= [] + @late_eval_list << [key, value] + '' + end + # # when merging, we raise an error if this method returns true for the two values. # -- cgit v1.2.3