Add route53 support to cloudformation.

This commit is contained in:
Steve Pulec 2015-01-17 10:17:25 -05:00
parent babb7450ec
commit 5d5f241b99
5 changed files with 131 additions and 9 deletions

View File

@ -8,6 +8,7 @@ from moto.ec2 import models as ec2_models
from moto.elb import models as elb_models
from moto.iam import models as iam_models
from moto.rds import models as rds_models
from moto.route53 import models as route53_models
from moto.sqs import models as sqs_models
from .utils import random_suffix
from .exceptions import MissingParameterError, UnformattedGetAttTemplateException
@ -36,6 +37,8 @@ MODEL_MAP = {
"AWS::RDS::DBInstance": rds_models.Database,
"AWS::RDS::DBSecurityGroup": rds_models.SecurityGroup,
"AWS::RDS::DBSubnetGroup": rds_models.SubnetGroup,
"AWS::Route53::HostedZone": route53_models.FakeZone,
"AWS::Route53::RecordSetGroup": route53_models.RecordSetGroup,
"AWS::SQS::Queue": sqs_models.Queue,
}

View File

@ -8,13 +8,43 @@ class FakeZone(object):
def __init__(self, name, id_):
self.name = name
self.id = id_
self.rrsets = {}
self.rrsets = []
def add_rrset(self, name, rrset):
self.rrsets[name] = rrset
self.rrsets.append(rrset)
def delete_rrset(self, name):
self.rrsets.pop(name, None)
self.rrsets = [record_set for record_set in self.rrsets if record_set['Name'] != name]
@property
def physical_resource_id(self):
return self.name
@classmethod
def create_from_cloudformation_json(cls, resource_name, cloudformation_json, region_name):
properties = cloudformation_json['Properties']
name = properties["Name"]
hosted_zone = route53_backend.create_hosted_zone(name)
return hosted_zone
class RecordSetGroup(object):
def __init__(self, record_sets):
self.record_sets = record_sets
@classmethod
def create_from_cloudformation_json(cls, resource_name, cloudformation_json, region_name):
properties = cloudformation_json['Properties']
zone_name = properties["HostedZoneName"]
hosted_zone = route53_backend.get_hosted_zone_by_name(zone_name)
record_sets = properties["RecordSets"]
for record_set in record_sets:
hosted_zone.add_rrset(record_set["Name"], record_set)
record_set_group = RecordSetGroup(record_sets)
return record_set_group
class Route53Backend(BaseBackend):
@ -34,12 +64,16 @@ class Route53Backend(BaseBackend):
def get_hosted_zone(self, id_):
return self.zones.get(id_)
def get_hosted_zone_by_name(self, name):
for zone in self.get_all_hosted_zones():
if zone.name == name:
return zone
def delete_hosted_zone(self, id_):
zone = self.zones.get(id_)
if zone:
del self.zones[id_]
return zone
return None
route53_backend = Route53Backend()

View File

@ -66,12 +66,12 @@ def rrset_response(request, full_url, headers):
querystring = parse_qs(parsed_url.query)
template = Template(LIST_RRSET_REPONSE)
rrset_list = []
for key, value in the_zone.rrsets.items():
if 'type' in querystring and querystring["type"][0] != value["Type"]:
for record_set in the_zone.rrsets:
if 'type' in querystring and querystring["type"][0] != record_set["Type"]:
continue
if 'name' in querystring and querystring["name"][0] != value["Name"]:
if 'name' in querystring and querystring["name"][0] != record_set["Name"]:
continue
rrset_list.append(dicttoxml.dicttoxml({"ResourceRecordSet": value}, root=False))
rrset_list.append(dicttoxml.dicttoxml({"ResourceRecordSet": record_set}, root=False))
return 200, headers, template.render(rrsets=rrset_list)
@ -79,7 +79,7 @@ def rrset_response(request, full_url, headers):
LIST_RRSET_REPONSE = """<ListResourceRecordSetsResponse xmlns="https://route53.amazonaws.com/doc/2012-12-12/">
<ResourceRecordSets>
{% for rrset in rrsets %}
{{ rrset }}
{{ rrset }}
{% endfor %}
</ResourceRecordSets>
</ListResourceRecordSetsResponse>"""

View File

@ -0,0 +1,47 @@
from __future__ import unicode_literals
template = {
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "AWS CloudFormation Sample Template Route53_RoundRobin: Sample template showing how to use weighted round robin (WRR) DNS entried via Amazon Route 53. This contrived sample uses weighted CNAME records to illustrate that the weighting influences the return records. It assumes that you already have a Hosted Zone registered with Amazon Route 53. **WARNING** This template creates one or more AWS resources. You will be billed for the AWS resources used if you create a stack from this template.",
"Resources" : {
"MyZone": {
"Type" : "AWS::Route53::HostedZone",
"Properties" : {
"Name" : "my_zone"
}
},
"MyDNSRecord" : {
"Type" : "AWS::Route53::RecordSetGroup",
"Properties" : {
"HostedZoneName" : {"Ref": "MyZone"},
"Comment" : "Contrived example to redirect to aws.amazon.com 75% of the time and www.amazon.com 25% of the time.",
"RecordSets" : [{
"SetIdentifier" : { "Fn::Join" : [ " ", [{"Ref" : "AWS::StackName"}, "AWS" ]]},
"Name" : { "Fn::Join" : [ "", [{"Ref" : "AWS::StackName"}, ".", {"Ref" : "AWS::Region"}, ".", {"Ref" : "MyZone"}, "."]]},
"Type" : "CNAME",
"TTL" : "900",
"ResourceRecords" : ["aws.amazon.com"],
"Weight" : "3"
},{
"SetIdentifier" : { "Fn::Join" : [ " ", [{"Ref" : "AWS::StackName"}, "Amazon" ]]},
"Name" : { "Fn::Join" : [ "", [{"Ref" : "AWS::StackName"}, ".", {"Ref" : "AWS::Region"}, ".", {"Ref" : "MyZone"}, "."]]},
"Type" : "CNAME",
"TTL" : "900",
"ResourceRecords" : ["www.amazon.com"],
"Weight" : "1"
}]
}
}
},
"Outputs" : {
"DomainName" : {
"Description" : "Fully qualified domain name",
"Value" : { "Ref" : "MyDNSRecord" }
}
}
}

View File

@ -19,6 +19,7 @@ from moto import (
mock_elb,
mock_iam,
mock_rds,
mock_route53,
mock_sqs,
)
@ -26,6 +27,7 @@ from .fixtures import (
ec2_classic_eip,
fn_join,
rds_mysql_with_read_replica,
route53_roundrobin,
single_instance_with_ebs_volume,
vpc_eip,
vpc_single_instance_in_subnet,
@ -769,3 +771,39 @@ def test_cloudformation_mapping():
reservation = ec2_conn.get_all_instances()[0]
ec2_instance = reservation.instances[0]
ec2_instance.image_id.should.equal("ami-c9c7978c")
@mock_cloudformation()
@mock_route53()
def test_route53_roundrobin():
route53_conn = boto.connect_route53()
template_json = json.dumps(route53_roundrobin.template)
conn = boto.cloudformation.connect_to_region("us-west-1")
conn.create_stack(
"test_stack",
template_body=template_json,
)
zones = route53_conn.get_all_hosted_zones()['ListHostedZonesResponse']['HostedZones']
list(zones).should.have.length_of(1)
zone_id = zones[0]['Id']
rrsets = route53_conn.get_all_rrsets(zone_id)
rrsets.hosted_zone_id.should.equal(zone_id)
rrsets.should.have.length_of(2)
record_set1 = rrsets[0]
record_set1.name.should.equal('test_stack.us-west-1.my_zone.')
record_set1.identifier.should.equal("test_stack AWS")
record_set1.type.should.equal('CNAME')
record_set1.ttl.should.equal('900')
record_set1.weight.should.equal('3')
# FIXME record_set1.resource_records[0].should.equal("aws.amazon.com")
record_set2 = rrsets[1]
record_set2.name.should.equal('test_stack.us-west-1.my_zone.')
record_set2.identifier.should.equal("test_stack Amazon")
record_set2.type.should.equal('CNAME')
record_set2.ttl.should.equal('900')
record_set2.weight.should.equal('1')
# FIXME record_set2.resource_records[0].should.equal("www.amazon.com")