Decouple hot and cfn for outputs
The changes including: 1. Avoid hard code of resource and output keys 2. Decouple hot and cfn for outputs Change-Id: I1fd7e08ff5c699ddfcf98c81aed5f0d91c4248b3
This commit is contained in:
parent
7ea3e68eb9
commit
faec3a0962
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@ -123,5 +123,7 @@ Resources:
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Timeout: "600"
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Timeout: "600"
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Outputs:
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Outputs:
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Endpoint.Address: {'Fn::GetAtt': [DatabaseInstance, PublicIp]}
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Endpoint.Address:
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Endpoint.Port: {Ref: Port}
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Value: {'Fn::GetAtt': [DatabaseInstance, PublicIp]}
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Endpoint.Port:
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Value: {Ref: Port}
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@ -184,7 +184,7 @@ def format_stack_outputs(stack, outputs, resolve_value=False):
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def format_stack_output(stack, outputs, k, resolve_value=True):
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def format_stack_output(stack, outputs, k, resolve_value=True):
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result = {
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result = {
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rpc_api.OUTPUT_KEY: k,
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rpc_api.OUTPUT_KEY: k,
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rpc_api.OUTPUT_DESCRIPTION: outputs[k].get('Description',
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rpc_api.OUTPUT_DESCRIPTION: outputs[k].get(stack.t.OUTPUT_DESCRIPTION,
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'No description given'),
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'No description given'),
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}
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}
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@ -44,6 +44,12 @@ class CfnTemplate(template.Template):
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'Description', 'Mappings', 'Parameters', 'Resources', 'Outputs'
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'Description', 'Mappings', 'Parameters', 'Resources', 'Outputs'
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)
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)
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OUTPUT_KEYS = (
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OUTPUT_DESCRIPTION, OUTPUT_VALUE,
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) = (
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'Description', 'Value',
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)
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SECTIONS_NO_DIRECT_ACCESS = set([PARAMETERS, VERSION, ALTERNATE_VERSION])
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SECTIONS_NO_DIRECT_ACCESS = set([PARAMETERS, VERSION, ALTERNATE_VERSION])
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functions = {
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functions = {
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@ -282,7 +282,8 @@ def construct_input_data(rsrc, curr_stack):
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dep_attrs = curr_stack.get_dep_attrs(
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dep_attrs = curr_stack.get_dep_attrs(
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six.itervalues(curr_stack.resources),
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six.itervalues(curr_stack.resources),
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curr_stack.outputs,
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curr_stack.outputs,
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rsrc.name)
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rsrc.name,
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curr_stack.t.OUTPUT_VALUE)
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input_data = {'id': rsrc.id,
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input_data = {'id': rsrc.id,
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'name': rsrc.name,
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'name': rsrc.name,
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'reference_id': rsrc.get_reference_id(),
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'reference_id': rsrc.get_reference_id(),
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@ -27,10 +27,10 @@ from heat.engine import template
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_RESOURCE_KEYS = (
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_RESOURCE_KEYS = (
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RES_TYPE, RES_PROPERTIES, RES_METADATA, RES_DEPENDS_ON,
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RES_TYPE, RES_PROPERTIES, RES_METADATA, RES_DEPENDS_ON,
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RES_DELETION_POLICY, RES_UPDATE_POLICY,
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RES_DELETION_POLICY, RES_UPDATE_POLICY, RES_DESCRIPTION,
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) = (
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) = (
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'type', 'properties', 'metadata', 'depends_on',
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'type', 'properties', 'metadata', 'depends_on',
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'deletion_policy', 'update_policy',
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'deletion_policy', 'update_policy', 'description',
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)
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)
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@ -45,6 +45,12 @@ class HOTemplate20130523(template.Template):
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'parameters', 'resources', 'outputs', '__undefined__'
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'parameters', 'resources', 'outputs', '__undefined__'
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)
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)
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OUTPUT_KEYS = (
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OUTPUT_DESCRIPTION, OUTPUT_VALUE,
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) = (
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'description', 'value',
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)
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SECTIONS_NO_DIRECT_ACCESS = set([PARAMETERS, VERSION])
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SECTIONS_NO_DIRECT_ACCESS = set([PARAMETERS, VERSION])
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_CFN_TO_HOT_SECTIONS = {cfn_template.CfnTemplate.VERSION: VERSION,
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_CFN_TO_HOT_SECTIONS = {cfn_template.CfnTemplate.VERSION: VERSION,
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@ -54,14 +60,19 @@ class HOTemplate20130523(template.Template):
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cfn_template.CfnTemplate.RESOURCES: RESOURCES,
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cfn_template.CfnTemplate.RESOURCES: RESOURCES,
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cfn_template.CfnTemplate.OUTPUTS: OUTPUTS}
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cfn_template.CfnTemplate.OUTPUTS: OUTPUTS}
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_RESOURCE_HOT_TO_CFN_ATTRS = {'type': 'Type',
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_RESOURCE_HOT_TO_CFN_ATTRS = {
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'properties': 'Properties',
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RES_TYPE: cfn_template.RES_TYPE,
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'metadata': 'Metadata',
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RES_PROPERTIES: cfn_template.RES_PROPERTIES,
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'depends_on': 'DependsOn',
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RES_METADATA: cfn_template.RES_METADATA,
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'deletion_policy': 'DeletionPolicy',
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RES_DEPENDS_ON: cfn_template.RES_DEPENDS_ON,
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'update_policy': 'UpdatePolicy',
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RES_DELETION_POLICY: cfn_template.RES_DELETION_POLICY,
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'description': 'Description',
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RES_UPDATE_POLICY: cfn_template.RES_UPDATE_POLICY,
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'value': 'Value'}
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RES_DESCRIPTION: cfn_template.RES_DESCRIPTION}
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_HOT_TO_CFN_ATTRS = _RESOURCE_HOT_TO_CFN_ATTRS
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_HOT_TO_CFN_ATTRS.update(
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{OUTPUT_VALUE: cfn_template.CfnTemplate.OUTPUT_VALUE})
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functions = {
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functions = {
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'Fn::GetAZs': cfn_funcs.GetAZs,
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'Fn::GetAZs': cfn_funcs.GetAZs,
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'get_param': hot_funcs.GetParam,
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'get_param': hot_funcs.GetParam,
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@ -121,7 +132,8 @@ class HOTemplate20130523(template.Template):
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return self._translate_resources(the_section)
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return self._translate_resources(the_section)
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if section == self.OUTPUTS:
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if section == self.OUTPUTS:
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return self._translate_outputs(the_section)
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self.validate_section(self.OUTPUTS, self.OUTPUT_VALUE,
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the_section, self.OUTPUT_KEYS)
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return the_section
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return the_section
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@ -136,57 +148,33 @@ class HOTemplate20130523(template.Template):
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raise ke
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raise ke
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def _translate_section(self, section, sub_section, data, mapping):
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def _translate_section(self, section, sub_section, data, mapping):
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self.validate_section(section, sub_section, data, mapping)
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cfn_objects = {}
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cfn_objects = {}
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obj_name = section[:-1]
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err_msg = _('"%%s" is not a valid keyword inside a %s '
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'definition') % obj_name
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for name, attrs in sorted(data.items()):
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for name, attrs in sorted(data.items()):
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cfn_object = {}
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cfn_object = {}
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if not attrs:
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args = {'object_name': obj_name, 'sub_section': sub_section}
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message = _('Each %(object_name)s must contain a '
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'%(sub_section)s key.') % args
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raise exception.StackValidationFailed(message=message)
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try:
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for attr, attr_value in six.iteritems(attrs):
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for attr, attr_value in six.iteritems(attrs):
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cfn_attr = self._translate(attr, mapping, err_msg)
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cfn_attr = mapping[attr]
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cfn_object[cfn_attr] = attr_value
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cfn_object[cfn_attr] = attr_value
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cfn_objects[name] = cfn_object
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cfn_objects[name] = cfn_object
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except AttributeError:
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message = _('"%(section)s" must contain a map of '
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'%(obj_name)s maps. Found a [%(_type)s] '
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'instead') % {'section': section,
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'_type': type(attrs),
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'obj_name': obj_name}
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raise exception.StackValidationFailed(message=message)
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except KeyError as e:
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# an invalid keyword was found
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raise exception.StackValidationFailed(message=e.args[0])
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return cfn_objects
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return cfn_objects
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def _translate_resources(self, resources):
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def _translate_resources(self, resources):
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"""Get the resources of the template translated into CFN format."""
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"""Get the resources of the template translated into CFN format."""
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return self._translate_section('resources', 'type', resources,
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return self._translate_section(self.RESOURCES, RES_TYPE, resources,
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self._RESOURCE_HOT_TO_CFN_ATTRS)
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self._RESOURCE_HOT_TO_CFN_ATTRS)
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def get_section_name(self, section):
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def get_section_name(self, section):
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cfn_to_hot_attrs = dict(
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cfn_to_hot_attrs = dict(
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zip(six.itervalues(self._RESOURCE_HOT_TO_CFN_ATTRS),
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zip(six.itervalues(self._HOT_TO_CFN_ATTRS),
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six.iterkeys(self._RESOURCE_HOT_TO_CFN_ATTRS)))
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six.iterkeys(self._HOT_TO_CFN_ATTRS)))
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return cfn_to_hot_attrs.get(section, section)
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return cfn_to_hot_attrs.get(section, section)
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def _translate_outputs(self, outputs):
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"""Get the outputs of the template translated into CFN format."""
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HOT_TO_CFN_ATTRS = {'description': 'Description',
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'value': 'Value'}
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return self._translate_section('outputs', 'value', outputs,
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HOT_TO_CFN_ATTRS)
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def param_schemata(self, param_defaults=None):
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def param_schemata(self, param_defaults=None):
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parameter_section = self.t.get(self.PARAMETERS) or {}
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parameter_section = self.t.get(self.PARAMETERS) or {}
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pdefaults = param_defaults or {}
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pdefaults = param_defaults or {}
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@ -37,7 +37,7 @@ def generate_class_from_template(name, data, param_defaults):
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cls = type(name, (TemplateResource,),
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cls = type(name, (TemplateResource,),
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{'properties_schema': props,
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{'properties_schema': props,
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'attributes_schema': attrs,
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'attributes_schema': attrs,
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'__doc__': tmpl.t.get(tmpl.get_section_name('Description'))})
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'__doc__': tmpl.t.get(tmpl.DESCRIPTION)})
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return cls
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return cls
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@ -424,7 +424,7 @@ class Stack(collections.Mapping):
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LOG.warning(_LW("Unable to set parameters StackId identifier"))
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LOG.warning(_LW("Unable to set parameters StackId identifier"))
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@staticmethod
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@staticmethod
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def get_dep_attrs(resources, outputs, resource_name):
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def get_dep_attrs(resources, outputs, resource_name, value_sec):
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"""Return the attributes of the specified resource that are referenced.
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"""Return the attributes of the specified resource that are referenced.
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Return an iterator over any attributes of the specified resource that
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Return an iterator over any attributes of the specified resource that
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@ -432,8 +432,8 @@ class Stack(collections.Mapping):
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"""
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"""
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attr_lists = itertools.chain((res.dep_attrs(resource_name)
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attr_lists = itertools.chain((res.dep_attrs(resource_name)
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for res in resources),
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for res in resources),
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(function.dep_attrs(out.get('Value', ''),
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(function.dep_attrs(
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resource_name)
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out.get(value_sec, ''), resource_name)
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for out in six.itervalues(outputs)))
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for out in six.itervalues(outputs)))
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return set(itertools.chain.from_iterable(attr_lists))
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return set(itertools.chain.from_iterable(attr_lists))
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@ -796,14 +796,14 @@ class Stack(collections.Mapping):
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path=[self.t.OUTPUTS],
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path=[self.t.OUTPUTS],
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message=message)
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message=message)
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try:
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try:
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if not val or 'Value' not in val:
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if not val or self.t.OUTPUT_VALUE not in val:
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message = _('Each Output must contain '
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message = _('Each Output must contain '
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'a Value key.')
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'a Value key.')
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raise exception.StackValidationFailed(
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raise exception.StackValidationFailed(
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error='Output validation error',
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error='Output validation error',
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path=[self.t.OUTPUTS, key],
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path=[self.t.OUTPUTS, key],
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message=message)
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message=message)
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function.validate(val.get('Value'))
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function.validate(val.get(self.t.OUTPUT_VALUE))
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except exception.StackValidationFailed as ex:
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except exception.StackValidationFailed as ex:
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raise
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raise
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except AssertionError:
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except AssertionError:
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@ -812,7 +812,7 @@ class Stack(collections.Mapping):
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raise exception.StackValidationFailed(
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raise exception.StackValidationFailed(
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error='Output validation error',
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error='Output validation error',
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path=[self.t.OUTPUTS, key,
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path=[self.t.OUTPUTS, key,
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self.t.get_section_name('Value')],
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self.t.OUTPUT_VALUE],
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message=six.text_type(ex))
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message=six.text_type(ex))
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def requires_deferred_auth(self):
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def requires_deferred_auth(self):
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@ -1832,7 +1832,7 @@ class Stack(collections.Mapping):
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@profiler.trace('Stack.output', hide_args=False)
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@profiler.trace('Stack.output', hide_args=False)
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def output(self, key):
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def output(self, key):
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"""Get the value of the specified stack output."""
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"""Get the value of the specified stack output."""
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value = self.outputs[key].get('Value', '')
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value = self.outputs[key].get(self.t.OUTPUT_VALUE, '')
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try:
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try:
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return function.resolve(value)
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return function.resolve(value)
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except Exception as ex:
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except Exception as ex:
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@ -221,6 +221,33 @@ class Template(collections.Mapping):
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"""
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"""
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pass
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pass
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def validate_section(self, section, sub_section, data, allowed_keys):
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obj_name = section[:-1]
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err_msg = _('"%%s" is not a valid keyword inside a %s '
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'definition') % obj_name
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args = {'object_name': obj_name, 'sub_section': sub_section}
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message = _('Each %(object_name)s must contain a '
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'%(sub_section)s key.') % args
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for name, attrs in sorted(data.items()):
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if not attrs:
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raise exception.StackValidationFailed(message=message)
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try:
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for attr, attr_value in six.iteritems(attrs):
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if attr not in allowed_keys:
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raise KeyError(err_msg % attr)
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if sub_section not in attrs:
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raise exception.StackValidationFailed(message=message)
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except AttributeError:
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message = _('"%(section)s" must contain a map of '
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'%(obj_name)s maps. Found a [%(_type)s] '
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'instead') % {'section': section,
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'_type': type(attrs),
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'obj_name': obj_name}
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raise exception.StackValidationFailed(message=message)
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except KeyError as e:
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# an invalid keyword was found
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raise exception.StackValidationFailed(message=e.args[0])
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def remove_resource(self, name):
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def remove_resource(self, name):
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"""Remove a resource from the template."""
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"""Remove a resource from the template."""
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self.t.get(self.RESOURCES, {}).pop(name)
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self.t.get(self.RESOURCES, {}).pop(name)
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@ -402,8 +402,8 @@ class HOTemplateTest(common.HeatTestCase):
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'inside a resource definition',
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'inside a resource definition',
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six.text_type(err))
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six.text_type(err))
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def test_translate_outputs_good(self):
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def test_get_outputs_good(self):
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"""Test translation of outputs into internal engine format."""
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"""Test get outputs."""
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hot_tpl = template_format.parse('''
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hot_tpl = template_format.parse('''
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heat_template_version: 2013-05-23
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heat_template_version: 2013-05-23
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@ -413,13 +413,13 @@ class HOTemplateTest(common.HeatTestCase):
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value: value1
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value: value1
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''')
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''')
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expected = {'output1': {'Description': 'output1', 'Value': 'value1'}}
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expected = {'output1': {'description': 'output1', 'value': 'value1'}}
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tmpl = template.Template(hot_tpl)
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tmpl = template.Template(hot_tpl)
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self.assertEqual(expected, tmpl[tmpl.OUTPUTS])
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self.assertEqual(expected, tmpl[tmpl.OUTPUTS])
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def test_translate_outputs_bad_no_data(self):
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def test_get_outputs_bad_no_data(self):
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"""Test translation of outputs without any mapping."""
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"""Test get outputs without any mapping."""
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hot_tpl = template_format.parse("""
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hot_tpl = template_format.parse("""
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heat_template_version: 2013-05-23
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heat_template_version: 2013-05-23
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@ -433,8 +433,8 @@ class HOTemplateTest(common.HeatTestCase):
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self.assertEqual('Each output must contain a value key.',
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self.assertEqual('Each output must contain a value key.',
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six.text_type(error))
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six.text_type(error))
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def test_translate_outputs_bad_without_name(self):
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def test_get_outputs_bad_without_name(self):
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"""Test translation of outputs without name."""
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"""Test get outputs without name."""
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hot_tpl = template_format.parse("""
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hot_tpl = template_format.parse("""
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heat_template_version: 2013-05-23
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heat_template_version: 2013-05-23
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@ -450,8 +450,8 @@ class HOTemplateTest(common.HeatTestCase):
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'Found a [%s] instead' % six.text_type,
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'Found a [%s] instead' % six.text_type,
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six.text_type(error))
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six.text_type(error))
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def test_translate_outputs_bad_description(self):
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def test_get_outputs_bad_description(self):
|
||||||
"""Test translation of outputs into internal engine format."""
|
"""Test get outputs with bad description name."""
|
||||||
|
|
||||||
hot_tpl = template_format.parse('''
|
hot_tpl = template_format.parse('''
|
||||||
heat_template_version: 2013-05-23
|
heat_template_version: 2013-05-23
|
||||||
|
@ -466,8 +466,8 @@ class HOTemplateTest(common.HeatTestCase):
|
||||||
tmpl.__getitem__, tmpl.OUTPUTS)
|
tmpl.__getitem__, tmpl.OUTPUTS)
|
||||||
self.assertIn('Description', six.text_type(err))
|
self.assertIn('Description', six.text_type(err))
|
||||||
|
|
||||||
def test_translate_outputs_bad_value(self):
|
def test_get_outputs_bad_value(self):
|
||||||
"""Test translation of outputs into internal engine format."""
|
"""Test get outputs with bad value name."""
|
||||||
|
|
||||||
hot_tpl = template_format.parse('''
|
hot_tpl = template_format.parse('''
|
||||||
heat_template_version: 2013-05-23
|
heat_template_version: 2013-05-23
|
||||||
|
|
|
@ -237,5 +237,8 @@ class DepAttrsTest(common.HeatTestCase):
|
||||||
outputs = self.stack.outputs
|
outputs = self.stack.outputs
|
||||||
resources = six.itervalues(self.stack.resources)
|
resources = six.itervalues(self.stack.resources)
|
||||||
self.assertEqual(self.expected[res.name],
|
self.assertEqual(self.expected[res.name],
|
||||||
self.stack.get_dep_attrs(resources, outputs,
|
self.stack.get_dep_attrs(
|
||||||
res.name))
|
resources,
|
||||||
|
outputs,
|
||||||
|
res.name,
|
||||||
|
self.stack.t.OUTPUT_VALUE))
|
||||||
|
|
|
@ -33,9 +33,8 @@ from heat.tests import generic_resource as generic_rsrc
|
||||||
from heat.tests import utils
|
from heat.tests import utils
|
||||||
|
|
||||||
|
|
||||||
ws_res_snippet = {"HeatTemplateFormatVersion": "2012-12-12",
|
ws_res_snippet = {"Type": "StackResourceType",
|
||||||
"Type": "StackResourceType",
|
"Metadata": {
|
||||||
"metadata": {
|
|
||||||
"key": "value",
|
"key": "value",
|
||||||
"some": "more stuff"}}
|
"some": "more stuff"}}
|
||||||
|
|
||||||
|
@ -463,7 +462,10 @@ class StackResourceTest(StackResourceBaseTest):
|
||||||
stack_resource.cfg.CONF.set_override('max_resources_per_stack', 2,
|
stack_resource.cfg.CONF.set_override('max_resources_per_stack', 2,
|
||||||
enforce_type=True)
|
enforce_type=True)
|
||||||
tmpl = {'HeatTemplateFormatVersion': '2012-12-12',
|
tmpl = {'HeatTemplateFormatVersion': '2012-12-12',
|
||||||
'Resources': [1]}
|
'Resources': {
|
||||||
|
'r': {
|
||||||
|
'Type': 'OS::Heat::None'
|
||||||
|
}}}
|
||||||
template = stack_resource.template.Template(tmpl)
|
template = stack_resource.template.Template(tmpl)
|
||||||
root_resources = mock.Mock(return_value=2)
|
root_resources = mock.Mock(return_value=2)
|
||||||
self.parent_resource.stack.total_resources = root_resources
|
self.parent_resource.stack.total_resources = root_resources
|
||||||
|
|
|
@ -363,6 +363,72 @@ class TestTemplateValidate(common.HeatTestCase):
|
||||||
err = tmpl.validate()
|
err = tmpl.validate()
|
||||||
self.assertIsNone(err)
|
self.assertIsNone(err)
|
||||||
|
|
||||||
|
def test_get_resources_good(self):
|
||||||
|
"""Test get resources successful."""
|
||||||
|
|
||||||
|
t = template_format.parse('''
|
||||||
|
AWSTemplateFormatVersion: 2010-09-09
|
||||||
|
Resources:
|
||||||
|
resource1:
|
||||||
|
Type: AWS::EC2::Instance
|
||||||
|
Properties:
|
||||||
|
property1: value1
|
||||||
|
Metadata:
|
||||||
|
foo: bar
|
||||||
|
DependsOn: dummy
|
||||||
|
DeletionPolicy: dummy
|
||||||
|
UpdatePolicy:
|
||||||
|
foo: bar
|
||||||
|
''')
|
||||||
|
|
||||||
|
expected = {'resource1': {'Type': 'AWS::EC2::Instance',
|
||||||
|
'Properties': {'property1': 'value1'},
|
||||||
|
'Metadata': {'foo': 'bar'},
|
||||||
|
'DependsOn': 'dummy',
|
||||||
|
'DeletionPolicy': 'dummy',
|
||||||
|
'UpdatePolicy': {'foo': 'bar'}}}
|
||||||
|
|
||||||
|
tmpl = template.Template(t)
|
||||||
|
self.assertEqual(expected, tmpl[tmpl.RESOURCES])
|
||||||
|
|
||||||
|
def test_get_resources_bad_no_data(self):
|
||||||
|
"""Test get resources without any mapping."""
|
||||||
|
|
||||||
|
t = template_format.parse('''
|
||||||
|
AWSTemplateFormatVersion: 2010-09-09
|
||||||
|
Resources:
|
||||||
|
resource1:
|
||||||
|
''')
|
||||||
|
|
||||||
|
tmpl = template.Template(t)
|
||||||
|
error = self.assertRaises(exception.StackValidationFailed,
|
||||||
|
tmpl.validate)
|
||||||
|
self.assertEqual('Each Resource must contain a Type key.',
|
||||||
|
six.text_type(error))
|
||||||
|
|
||||||
|
def test_get_resources_no_type(self):
|
||||||
|
"""Test get resources with invalid key."""
|
||||||
|
|
||||||
|
t = template_format.parse('''
|
||||||
|
AWSTemplateFormatVersion: 2010-09-09
|
||||||
|
Resources:
|
||||||
|
resource1:
|
||||||
|
Properties:
|
||||||
|
property1: value1
|
||||||
|
Metadata:
|
||||||
|
foo: bar
|
||||||
|
DependsOn: dummy
|
||||||
|
DeletionPolicy: dummy
|
||||||
|
UpdatePolicy:
|
||||||
|
foo: bar
|
||||||
|
''')
|
||||||
|
|
||||||
|
tmpl = template.Template(t)
|
||||||
|
error = self.assertRaises(exception.StackValidationFailed,
|
||||||
|
tmpl.validate)
|
||||||
|
self.assertEqual('Each Resource must contain a Type key.',
|
||||||
|
six.text_type(error))
|
||||||
|
|
||||||
def test_template_validate_hot_check_t_digest(self):
|
def test_template_validate_hot_check_t_digest(self):
|
||||||
t = {
|
t = {
|
||||||
'heat_template_version': '2015-04-30',
|
'heat_template_version': '2015-04-30',
|
||||||
|
|
Loading…
Reference in New Issue