def create_conditions(self):
t = self.template
ssl_condition = Not(Equals(Ref("ELBCertName"), ""))
t.add_condition("UseHTTPS", ssl_condition)
t.add_condition("UseHTTP", Not(ssl_condition))
self.template.add_condition(
"UseIAMCert",
Not(Equals(Ref("ELBCertType"), "acm")))
t.add_condition(
"EnableSNSEvents",
Equals(Ref("EventsBackend"), "sns"))
t.add_condition(
"CreateSNSTopic",
And(Equals(Ref("EventsSNSTopicName"), ""),
Condition("EnableSNSEvents")))
t.add_condition(
"EnableCloudwatchLogs",
Equals(Ref("RunLogsBackend"), "cloudwatch"))
t.add_condition(
"CreateRunLogsGroup",
And(Equals(Ref("RunLogsCloudwatchGroup"), ""),
Condition("EnableCloudwatchLogs")))
t.add_condition(
"EnableAppEventStream",
Equals(Ref("LogsStreamer"), "kinesis"))
t.add_condition(
"RequireCommitMessages",
Equals(Ref("RequireCommitMessages"), "true"))
def create_conditions(self):
t = self.template
t.add_condition("DefinedNotificationArn",
Not(Equals(Ref("NotificationTopicArn"), "")))
t.add_condition("DefinedPort", Not(Equals(Ref("Port"), "0")))
t.add_condition(
"DefinedAvailabilityZones",
Not(Equals(Join(",", Ref("PreferredCacheClusterAZs")), "")))
t.add_condition("DefinedSnapshotArns",
Not(Equals(Join(",", Ref("SnapshotArns")), "")))
t.add_condition("DefinedSnapshotWindow",
Not(Equals(Ref("SnapshotWindow"), "")))
# DNS Conditions
t.add_condition("HasInternalZone",
Not(Equals(Ref("InternalZoneId"), "")))
t.add_condition("HasInternalZoneName",
Not(Equals(Ref("InternalZoneName"), "")))
t.add_condition("HasInternalHostname",
Not(Equals(Ref("InternalHostname"), "")))
t.add_condition(
"CreateInternalHostname",
And(Condition("HasInternalZone"), Condition("HasInternalZoneName"),
Condition("HasInternalHostname")))
def create_conditions(self):
t = self.template
t.add_condition(
"HasInternalZone",
Not(Equals(Ref("InternalZoneId"), "")))
t.add_condition(
"HasInternalZoneName",
Not(Equals(Ref("InternalZoneName"), "")))
t.add_condition(
"HasInternalHostname",
Not(Equals(Ref("InternalHostname"), "")))
t.add_condition(
"CreateInternalHostname",
And(Condition("HasInternalZone"),
Condition("HasInternalZoneName"),
Condition("HasInternalHostname")))
t.add_condition(
"HasProvisionedIOPS",
Not(Equals(Ref("IOPS"), "0")))
t.add_condition(
"HasStorageType",
Not(Equals(Ref("StorageType"), "default")))
t.add_condition(
"HasDBSnapshotIdentifier",
Not(Equals(Ref("DBSnapshotIdentifier"), "")))
def create_conditions(self):
self.template.add_condition("HasInternalDomain",
Not(Equals(Ref("InternalDomain"), "")))
self.template.add_condition("HasExternalDomain",
Not(Equals(Ref("BaseDomain"), "")))
self.template.add_condition(
"HasHostedZones",
Or(Condition("HasInternalDomain"), Condition("HasExternalDomain")))
self.template.add_condition("NoHostedZones",
Not(Condition("HasHostedZones")))
def create_conditions(self):
self.template.add_condition("HasInternalZone",
Not(Equals(Ref("InternalZoneId"), "")))
self.template.add_condition("HasInternalZoneName",
Not(Equals(Ref("InternalZoneName"), "")))
self.template.add_condition("HasInternalHostname",
Not(Equals(Ref("InternalHostname"), "")))
self.template.add_condition(
"CreateInternalHostname",
And(Condition("HasInternalZone"), Condition("HasInternalZoneName"),
Condition("HasInternalHostname")))
def create_conditions(self):
self.template.add_condition("CreateELB",
Not(Equals(Ref("ELBHostName"), "")))
self.template.add_condition("SetupDNS",
Not(Equals(Ref("BaseDomain"), "")))
self.template.add_condition("UseSSL",
Not(Equals(Ref("ELBCertName"), "")))
self.template.add_condition(
"CreateSSLELB", And(Condition("CreateELB"), Condition("UseSSL")))
self.template.add_condition(
"SetupELBDNS", And(Condition("CreateELB"), Condition("SetupDNS")))
def create_conditions(self):
self.template.add_condition("HasInternalDomain",
Not(Equals(Ref("InternalDomain"), "")))
self.template.add_condition("HasExternalDomain",
Not(Equals(Ref("BaseDomain"), "")))
self.template.add_condition(
"HasHostedZones",
Or(Condition("HasInternalDomain"), Condition("HasExternalDomain")))
self.template.add_condition("NoHostedZones",
Not(Condition("HasHostedZones")))
self.template.add_condition("UseNatGateway",
Equals(Ref("UseNatGateway"), "true"))
self.template.add_condition("UseNatInstances",
Not(Condition("UseNatGateway")))
def add_conditions(self):
"""Set up AZ conditions."""
template = self.template
for i in range(AZS):
template.add_condition(
'PublicAZ%i' % (i + 1),
Not(Equals(Ref('PublicSubnet%i' % (i + 1)), '')))
template.add_condition(
'PrivateAZ%i' % (i + 1),
Not(Equals(Ref('PrivateSubnet%i' % (i + 1)), '')))
template.add_condition(
'CreateNATGateway%i' % (i + 1),
And(Condition('PublicAZ%i' % (i + 1)),
Condition('PrivateAZ%i' % (i + 1))))
def create_conditions(self):
t = self.template
t.add_condition(
'HasInternalZone',
Not(Equals(Ref('InternalZoneId'), '')))
t.add_condition(
'HasInternalZoneName',
Not(Equals(Ref('InternalZoneName'), '')))
t.add_condition(
'HasInternalHostname',
Not(Equals(Ref('InternalHostname'), '')))
t.add_condition(
'CreateInternalHostname',
And(Condition('HasInternalZone'),
Condition('HasInternalZoneName'),
Condition('HasInternalHostname')))
def create_conditions():
condition_counter = 4
base_condition = Equals(Ref(NumSRRHostsParam), 4)
t.add_condition(CONDITION_COUNTER_PREFIX + str(condition_counter),
base_condition)
last_condition = CONDITION_COUNTER_PREFIX + str(condition_counter)
for i in range(condition_counter + 1, MAX_INSTANCES + 1):
t.add_condition(
CONDITION_COUNTER_PREFIX + str(i),
Or(Equals(Ref(NumSRRHostsParam), i), Condition(last_condition)))
last_condition = CONDITION_COUNTER_PREFIX + str(i)
t.add_condition("GovCloudCondition",
Equals(Ref("AWS::Region"), "us-gov-west-1"))
"""
from troposphere import Condition, Ref, Equals, And, Not
from ecs_composex.ecs import ecs_params
GENERATED_CLUSTER_NAME_CON_T = "UsCfnGeneratedClusterName"
GENERATED_CLUSTER_NAME_CON = Equals(Ref(ecs_params.CLUSTER_NAME),
ecs_params.CLUSTER_NAME.Default)
NOT_USE_CLUSTER_SG_CON_T = "NotUseClusterSecurityGroupCondition"
NOT_USE_CLUSTER_SG_CON = Equals(Ref(ecs_params.CLUSTER_SG_ID),
ecs_params.CLUSTER_SG_ID.Default)
USE_CLUSTER_SG_CON_T = "UseClusterSecurityGroupCondition"
USE_CLUSTER_SG_CON = Not(Condition(NOT_USE_CLUSTER_SG_CON_T))
SERVICE_COUNT_ZERO_CON_T = "ServiceCountIsZeroCondition"
SERVICE_COUNT_ZERO_CON = Equals(Ref(ecs_params.SERVICE_COUNT), "0")
USE_FARGATE_CON_T = "UseFargateCondition"
USE_FARGATE_CON = Equals(Ref(ecs_params.LAUNCH_TYPE), "FARGATE")
SERVICE_COUNT_ZERO_AND_FARGATE_CON_T = "ServiceCountZeroAndFargate"
SERVICE_COUNT_ZERO_AND_FARGATE_CON = And(Condition(USE_FARGATE_CON_T),
Condition(SERVICE_COUNT_ZERO_CON_T))
NOT_USE_HOSTNAME_CON_T = "NotUseMicroserviceHostnameCondition"
NOT_USE_HOSTNAME_CON = Equals(Ref(ecs_params.SERVICE_HOSTNAME),
ecs_params.SERVICE_HOSTNAME.Default)
MaxLength="64",
Type="String",
))
WebServerCapacity = t.add_parameter(
Parameter(
"WebServerCapacity",
Description="The initial nuber of WebServer instances",
Default="2",
Type="Number",
MaxValue="5",
MinValue="1",
ConstraintDescription="must be between 1 and 5 EC2 instances.",
))
t.add_condition("Is-EC2-Classic", Not(Condition("Is-EC2-VPC")))
t.add_condition(
"Is-EC2-VPC",
Or(Equals(Ref("AWS::Region"), "eu-central-1"),
Equals(Ref("AWS::Region"), "cn-north-1"),
Equals(Ref("AWS::Region"), "ap-northeast-2")))
t.add_mapping(
"AWSInstanceType2Arch", {
u'c1.medium': {
u'Arch': u'PV64'
},
u'c1.xlarge': {
u'Arch': u'PV64'
},
"the existing primary fails.",
Type="String",
AllowedValues=["true", "false"],
Default="false",
),
group="Redis",
label="Enable automatic failover",
)
redis_uses_automatic_failover = "RedisAutomaticFailoverCondition"
template.add_condition(redis_uses_automatic_failover,
Equals(Ref(redis_automatic_failover), "true"))
secure_redis_condition = "SecureRedisCondition"
template.add_condition(
secure_redis_condition,
And(Condition(using_redis_condition),
Condition(use_aes256_encryption_cond)))
using_either_cache_condition = "EitherCacheCondition"
template.add_condition(
using_either_cache_condition,
Or(Condition(using_memcached_condition), Condition(using_redis_condition)))
# Subnet and security group shared by both clusters
cache_subnet_group = elasticache.SubnetGroup(
"CacheSubnetGroup",
template=template,
Description="Subnets available for the cache instance",
Condition=using_either_cache_condition,
SubnetIds=[Ref(private_subnet_a),
def main(args):
number_of_vol = 5
t = Template()
availability_zone = t.add_parameter(
Parameter(
"AvailabilityZone",
Type="String",
Description="Availability Zone the cluster will launch into. "
"THIS IS REQUIRED",
))
raid_options = t.add_parameter(
Parameter(
"RAIDOptions",
Type="CommaDelimitedList",
Description="Comma separated list of RAID related options, "
"8 parameters in total, "
"["
"0 shared_dir,"
"1 raid_type,"
"2 num_of_vols,"
"3 vol_type,"
"4 vol_size,"
"5 vol_IOPS,"
"6 encrypted, "
"7 ebs_kms_key]",
))
use_vol = [None] * number_of_vol
v = [None] * number_of_vol
for i in range(number_of_vol):
if i == 0:
use_vol[i] = t.add_condition(
"UseVol%s" % (i + 1),
Not(Equals(Select("0", Ref(raid_options)), "NONE")))
else:
use_vol[i] = t.add_condition(
"UseVol%s" % (i + 1),
And(Not(Equals(Select("2", Ref(raid_options)), str(i))),
Condition(use_vol[i - 1])),
)
use_ebs_iops = t.add_condition(
"Vol%s_UseEBSPIOPS" % (i + 1),
Equals(Select("3", Ref(raid_options)), "io1"))
use_volume_size = t.add_condition(
"Vol%s_UseVolumeSize" % (i + 1),
Not(Equals(Select("4", Ref(raid_options)), "NONE")))
use_volume_type = t.add_condition(
"Vol%s_UseVolumeType" % (i + 1),
Not(Equals(Select("3", Ref(raid_options)), "NONE")))
use_ebs_encryption = t.add_condition(
"Vol%s_UseEBSEncryption" % (i + 1),
Equals(Select("6", Ref(raid_options)), "true"))
use_ebs_kms_key = t.add_condition(
"Vol%s_UseEBSKMSKey" % (i + 1),
And(Condition(use_ebs_encryption),
Not(Equals(Select("7", Ref(raid_options)), "NONE"))),
)
v[i] = t.add_resource(
ec2.Volume(
"Volume%s" % (i + 1),
AvailabilityZone=Ref(availability_zone),
VolumeType=If(use_volume_type, Select("3", Ref(raid_options)),
"gp2"),
Size=If(use_volume_size, Select("4", Ref(raid_options)), 20),
Iops=If(use_ebs_iops, Select("5", Ref(raid_options)), NoValue),
Encrypted=If(use_ebs_encryption,
Select("6", Ref(raid_options)), NoValue),
KmsKeyId=If(use_ebs_kms_key, Select("7", Ref(raid_options)),
NoValue),
Condition=use_vol[i],
))
outputs = [None] * number_of_vol
vol_to_return = [None] * number_of_vol
for i in range(number_of_vol):
vol_to_return[i] = Ref(v[i])
if i == 0:
outputs[i] = If(use_vol[i], vol_to_return[i], "NONE")
else:
outputs[i] = If(use_vol[i], Join(",", vol_to_return[:(i + 1)]),
outputs[i - 1])
t.add_output(
Output("Volumeids",
Description="Volume IDs of the resulted RAID EBS volumes",
Value=outputs[number_of_vol - 1]))
json_file_path = args.target_path
output_file = open(json_file_path, "w")
output_file.write(t.to_json())
output_file.close()
UseVol = [None] * numberOfVol
UseExistingEBSVolume = [None] * numberOfVol
v = [None] * numberOfVol
for i in range(numberOfVol):
if i == 0:
CreateVol = t.add_condition(
"Vol%s_CreateEBSVolume" % (i + 1),
Equals(Select(str(i), Ref(EBSVolumeId)), "NONE"))
elif i == 1:
UseVol[i] = t.add_condition("UseVol%s" % (i + 1),
Not(Equals(Ref(EBSVolumeNum), str(i))))
CreateVol = t.add_condition(
"Vol%s_CreateEBSVolume" % (i + 1),
And(Condition(UseVol[i]),
Equals(Select(str(i), Ref(EBSVolumeId)), "NONE")))
else:
UseVol[i] = t.add_condition(
"UseVol%s" % (i + 1),
And(Not(Equals(Ref(EBSVolumeNum), str(i))),
Condition(UseVol[i - 1])))
CreateVol = t.add_condition(
"Vol%s_CreateEBSVolume" % (i + 1),
And(Condition(UseVol[i]),
Equals(Select(str(i), Ref(EBSVolumeId)), "NONE")))
UseEBSPIOPS = t.add_condition(
"Vol%s_UseEBSPIOPS" % (i + 1),
Equals(Select(str(i), Ref(VolumeType)), "io1"))
UseVolumeSize = t.add_condition(
Not(Equals(Ref(db_class), dont_create_value)))
db_replication = template.add_parameter(Parameter(
"DatabaseReplication",
Type="String",
AllowedValues=["true", "false"],
Default="false",
Description="Whether to create a database server replica - "
"WARNING this will fail if DatabaseBackupRetentionDays is 0.",
),
group="Database",
label="Database replication")
db_replication_condition = "DatabaseReplicationCondition"
template.add_condition(
db_replication_condition,
And(Condition(db_condition), Equals(Ref(db_replication), "true")))
db_engine = template.add_parameter(
Parameter(
"DatabaseEngine",
Default="postgres",
Description="Database engine to use",
Type="String",
AllowedValues=list(rds_engine_map.keys()),
ConstraintDescription="must select a valid database engine.",
),
group="Database",
label="Engine",
)
db_engine_version = template.add_parameter(
"""Common Conditions across the templates"""
from troposphere import Condition, Not, Ref, Equals, And, If
from ecs_composex.common import cfn_params
USE_STACK_NAME_CON_T = "UseStackName"
USE_STACK_NAME_CON = Equals(Ref(cfn_params.ROOT_STACK_NAME),
cfn_params.ROOT_STACK_NAME.Default)
USE_CFN_PARAMS_CON_T = "UseCfnParametersValueCondition"
USE_CFN_PARAMS_CON = Equals(Ref(cfn_params.USE_CFN_PARAMS),
cfn_params.USE_CFN_PARAMS.Default)
NOT_USE_CFN_PARAMS_CON_T = f"Not{USE_CFN_PARAMS_CON_T}"
NOT_USE_CFN_PARAMS_CON = Not(Condition(USE_CFN_PARAMS_CON_T))
USE_CFN_EXPORTS_T = "UseExportsCondition"
USE_CFN_EXPORTS = Equals(Ref(cfn_params.USE_CFN_EXPORTS), "True")
NOT_USE_CFN_EXPORTS_T = "NotUseCfnExportsCondition"
NOT_USE_CFN_EXPORTS = Not(Condition(USE_CFN_EXPORTS_T))
USE_SSM_EXPORTS_T = "UseSsmExportsCondition"
USE_SSM_EXPORTS = Equals(Ref(cfn_params.USE_SSM_EXPORTS), "True")
USE_CFN_AND_SSM_EXPORTS_T = "UseCfnAndSsmCondition"
USE_CFN_AND_SSM_EXPORTS = And(Condition(USE_CFN_EXPORTS_T),
Condition(USE_SSM_EXPORTS_T))
USE_SSM_ONLY_T = "UseSsmOnlyCondition"
MEMBER_ACCOUNT_EMAIL = "*****@*****.**"
t = Template()
t.add_description(
"GuardDuty example deployment for master and member accounts")
member_invitation = t.add_parameter(
Parameter(
"MemberInvitation",
Type="String",
Description=
"Invitation ID for member account, leave empty on master account"))
t.add_condition("IsMaster", Equals(Ref(AWS_ACCOUNT_ID), MASTER_ACCOUNT_ID))
t.add_condition("IsMember", Not(Condition("IsMaster")))
detector = t.add_resource(guardduty.Detector("Detector", Enable=True))
master = t.add_resource(
guardduty.Master(
"Master",
Condition="IsMember",
DetectorId=Ref(detector),
MasterId=MASTER_ACCOUNT_ID,
InvitationId=Ref(member_invitation),
))
# You can create multiple members if you have multiple members accounts
member = t.add_resource(
guardduty.Member("Member",
bastion_type_is_openvpn_set = "BastionTypeIsOpenVPNSet"
template.add_condition(bastion_type_is_openvpn_set,
Equals("OpenVPN", Ref(bastion_type)))
bastion_type_is_ssh_set = "BastionTypeIsSSHSet"
template.add_condition(bastion_type_is_ssh_set, Equals("SSH",
Ref(bastion_type)))
bastion_ami_set = "BastionAMISet"
template.add_condition(bastion_ami_set, Not(Equals("", Ref(bastion_ami))))
bastion_type_and_ami_set = "BastionTypeAndAMISet"
template.add_condition(
bastion_type_and_ami_set,
And(Condition(bastion_type_set), Condition(bastion_ami_set)))
bastion_security_group = ec2.SecurityGroup(
'BastionSecurityGroup',
template=template,
GroupDescription="Bastion security group.",
VpcId=Ref(vpc),
Condition=bastion_type_set,
Tags=Tags(Name=Join("-", [Ref("AWS::StackName"), "bastion"]), ),
)
bastion_security_group_ingress_ssh = ec2.SecurityGroupIngress(
'BastionSecurityGroupIngressSSH',
template=template,
GroupId=Ref(bastion_security_group),
IpProtocol="tcp",
which it heavily relies onto.
You can change the names *values* so you like so long as you keep it Alphanumerical [a-zA-Z0-9]
"""
from troposphere import And, Condition, Equals, If, Not, Or, Ref
from ecs_composex.ecs import ecs_params
NOT_USE_CLUSTER_SG_CON_T = "NotUseClusterSecurityGroupCondition"
NOT_USE_CLUSTER_SG_CON = Equals(
Ref(ecs_params.CLUSTER_SG_ID), ecs_params.CLUSTER_SG_ID.Default
)
USE_CLUSTER_SG_CON_T = "UseClusterSecurityGroupCondition"
USE_CLUSTER_SG_CON = Not(Condition(NOT_USE_CLUSTER_SG_CON_T))
SERVICE_COUNT_ZERO_CON_T = "ServiceCountIsZeroCondition"
SERVICE_COUNT_ZERO_CON = Equals(Ref(ecs_params.SERVICE_COUNT), "0")
USE_EC2_CON_T = "UseEC2LaunchType"
USE_EC2_CON = Equals(Ref(ecs_params.LAUNCH_TYPE), "EC2")
USE_FARGATE_PROVIDERS_CON_T = "UseFargateProvidersCondition"
USE_FARGATE_PROVIDERS_CON = Equals(Ref(ecs_params.LAUNCH_TYPE), "FARGATE_PROVIDERS")
USE_FARGATE_LT_CON_T = "UseFargateLaunchType"
USE_FARGATE_LT_CON = Equals(Ref(ecs_params.LAUNCH_TYPE), "FARGATE")
USE_CLUSTER_MODE_CON_T = "UseClusterDefaultProviders"
from ecs_composex.acm.acm_params import (
VALIDATION_DOMAIN_NAME,
VALIDATION_DOMAIN_ZONE_ID,
CERT_ALT_NAMES,
)
ACM_ZONE_ID_IS_NONE_T = "AcmZoneIsNoneCondition"
ACM_ZONE_ID_IS_NONE = Equals(Ref(VALIDATION_DOMAIN_ZONE_ID),
VALIDATION_DOMAIN_ZONE_ID.Default)
ACM_ZONE_NAME_IS_NONE_T = "AcmZoneNameIsNoneCondition"
ACM_ZONE_NAME_IS_NONE = Equals(Ref(VALIDATION_DOMAIN_NAME),
VALIDATION_DOMAIN_NAME.Default)
USE_ZONE_ID_T = "UseZoneIdOverZoneNameForValidation"
USE_ZONE_ID = And(Not(Condition(ACM_ZONE_ID_IS_NONE_T)),
Not(Condition(ACM_ZONE_NAME_IS_NONE_T)))
NO_VALIDATION_CONDITION_T = "NoValidationConfiguredCondition"
NO_VALIDATION_CONDITION = And(Condition(ACM_ZONE_ID_IS_NONE_T),
Condition(ACM_ZONE_NAME_IS_NONE_T))
NO_ALT_NAMES_T = "NoAlternativeSubNamesCondition"
NO_ALT_NAMES = Equals(Select(0, Ref(CERT_ALT_NAMES)), CERT_ALT_NAMES.Default)
def add_all_conditions(template):
"""
Function to add all conditions to the template
:param template:
:return:
"SSHLocationBastion":
Parameter(
"SSHLocationBastion",
Type="String",
AllowedPattern=
"^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\\/([0-9]|[1-2][0-9]|3[0-2]))$",
Default="0.0.0.0/0")
}
conditions = {
"CreatePrivateSubnet1ACondition":
Equals(Ref("CreatePrivateSubnet1A"), "True"),
"CreatePrivateSubnet1BCondition":
Equals(Ref("CreatePrivateSubnet1B"), "True"),
"NAT1EIPCondition":
Or(Condition("CreatePrivateSubnet1ACondition"),
Condition("CreatePrivateSubnet1BCondition")),
"CreatePublicSubnet2Condition":
Equals(Ref("CreatePublicSubnet2"), "True"),
"CreatePrivateSubnet2ACondition":
Equals(Ref("CreatePrivateSubnet2A"), "True"),
"CreatePrivateSubnet2BCondition":
Equals(Ref("CreatePrivateSubnet2B"), "True"),
"AttachNAT2ACondition":
And(Condition("CreatePublicSubnet2Condition"),
Condition("CreatePrivateSubnet2ACondition")),
"AttachNAT2BCondition":
And(Condition("CreatePublicSubnet2Condition"),
Condition("CreatePrivateSubnet2BCondition")),
"NAT2EIPCondition":
Or(Condition("AttachNAT2ACondition"), Condition("AttachNAT2BCondition"))
def create_template():
template = Template(Description=(
"Static website hosted with S3 and CloudFront. "
"https://github.com/schlarpc/overengineered-cloudfront-s3-static-website"
))
partition_config = add_mapping(
template,
"PartitionConfig",
{
"aws": {
# the region with the control plane for CloudFront, IAM, Route 53, etc
"PrimaryRegion":
"us-east-1",
# assume that Lambda@Edge replicates to all default enabled regions, and that
# future regions will be opt-in. generated with AWS CLI:
# aws ec2 describe-regions --all-regions --query "Regions[?OptInStatus=='opt-in-not-required'].RegionName|sort(@)"
"DefaultRegions": [
"ap-northeast-1",
"ap-northeast-2",
"ap-northeast-3",
"ap-south-1",
"ap-southeast-1",
"ap-southeast-2",
"ca-central-1",
"eu-central-1",
"eu-north-1",
"eu-west-1",
"eu-west-2",
"eu-west-3",
"sa-east-1",
"us-east-1",
"us-east-2",
"us-west-1",
"us-west-2",
],
},
# this doesn't actually work, because Lambda@Edge isn't supported in aws-cn
"aws-cn": {
"PrimaryRegion": "cn-north-1",
"DefaultRegions": ["cn-north-1", "cn-northwest-1"],
},
},
)
acm_certificate_arn = template.add_parameter(
Parameter(
"AcmCertificateArn",
Description=
"Existing ACM certificate to use for serving TLS. Overrides HostedZoneId.",
Type="String",
AllowedPattern="(arn:[^:]+:acm:[^:]+:[^:]+:certificate/.+|)",
Default="",
))
hosted_zone_id = template.add_parameter(
Parameter(
"HostedZoneId",
Description=
"Existing Route 53 zone to use for validating a new TLS certificate.",
Type="String",
AllowedPattern="(Z[A-Z0-9]+|)",
Default="",
))
dns_names = template.add_parameter(
Parameter(
"DomainNames",
Description=
"Comma-separated list of additional domain names to serve.",
Type="CommaDelimitedList",
Default="",
))
tls_protocol_version = template.add_parameter(
Parameter(
"TlsProtocolVersion",
Description=
"CloudFront TLS security policy; see https://amzn.to/2DR91Xq for details.",
Type="String",
Default="TLSv1.2_2019",
))
log_retention_days = template.add_parameter(
Parameter(
"LogRetentionDays",
Description=
"Days to keep CloudFront, S3, and Lambda logs. 0 means indefinite retention.",
Type="Number",
AllowedValues=[0] + CLOUDWATCH_LOGS_RETENTION_OPTIONS,
Default=365,
))
default_ttl_seconds = template.add_parameter(
Parameter(
"DefaultTtlSeconds",
Description="Cache time-to-live when not set by S3 object headers.",
Type="Number",
Default=int(datetime.timedelta(minutes=5).total_seconds()),
))
enable_price_class_hack = template.add_parameter(
Parameter(
"EnablePriceClassHack",
Description="Cut your bill in half with this one weird trick.",
Type="String",
Default="false",
AllowedValues=["true", "false"],
))
retention_defined = add_condition(template, "RetentionDefined",
Not(Equals(Ref(log_retention_days), 0)))
using_price_class_hack = add_condition(
template, "UsingPriceClassHack",
Equals(Ref(enable_price_class_hack), "true"))
using_acm_certificate = add_condition(
template, "UsingAcmCertificate",
Not(Equals(Ref(acm_certificate_arn), "")))
using_hosted_zone = add_condition(template, "UsingHostedZone",
Not(Equals(Ref(hosted_zone_id), "")))
using_certificate = add_condition(
template,
"UsingCertificate",
Or(Condition(using_acm_certificate), Condition(using_hosted_zone)),
)
should_create_certificate = add_condition(
template,
"ShouldCreateCertificate",
And(Condition(using_hosted_zone),
Not(Condition(using_acm_certificate))),
)
using_dns_names = add_condition(template, "UsingDnsNames",
Not(Equals(Select(0, Ref(dns_names)), "")))
is_primary_region = "IsPrimaryRegion"
template.add_condition(
is_primary_region,
Equals(Region, FindInMap(partition_config, Partition,
"PrimaryRegion")),
)
precondition_region_is_primary = template.add_resource(
WaitConditionHandle(
"PreconditionIsPrimaryRegionForPartition",
Condition=is_primary_region,
))
log_ingester_dlq = template.add_resource(
Queue(
"LogIngesterDLQ",
MessageRetentionPeriod=int(
datetime.timedelta(days=14).total_seconds()),
KmsMasterKeyId="alias/aws/sqs",
))
log_ingester_role = template.add_resource(
Role(
"LogIngesterRole",
AssumeRolePolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect="Allow",
Principal=Principal("Service", "lambda.amazonaws.com"),
Action=[sts.AssumeRole],
)
],
),
Policies=[
PolicyProperty(
PolicyName="DLQPolicy",
PolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Action=[sqs.SendMessage],
Resource=[GetAtt(log_ingester_dlq, "Arn")],
)
],
),
)
],
))
log_ingester = template.add_resource(
Function(
"LogIngester",
Runtime=PYTHON_RUNTIME,
Handler="index.{}".format(log_ingest.handler.__name__),
Code=Code(ZipFile=inspect.getsource(log_ingest)),
MemorySize=256,
Timeout=300,
Role=GetAtt(log_ingester_role, "Arn"),
DeadLetterConfig=DeadLetterConfig(
TargetArn=GetAtt(log_ingester_dlq, "Arn")),
))
log_ingester_permission = template.add_resource(
Permission(
"LogIngesterPermission",
FunctionName=GetAtt(log_ingester, "Arn"),
Action="lambda:InvokeFunction",
Principal="s3.amazonaws.com",
SourceAccount=AccountId,
))
log_bucket = template.add_resource(
Bucket(
"LogBucket",
# S3 requires this ACL (regardless of bucket policy) or s3:PutBucketLogging fails.
# When the CloudFront distribution is created, it adds an additional bucket ACL.
# That ACL is not possible to model in CloudFormation.
AccessControl="LogDeliveryWrite",
LifecycleConfiguration=LifecycleConfiguration(Rules=[
LifecycleRule(ExpirationInDays=1, Status="Enabled"),
LifecycleRule(
AbortIncompleteMultipartUpload=
AbortIncompleteMultipartUpload(DaysAfterInitiation=1),
Status="Enabled",
),
]),
NotificationConfiguration=NotificationConfiguration(
LambdaConfigurations=[
LambdaConfigurations(Event="s3:ObjectCreated:*",
Function=GetAtt(log_ingester, "Arn"))
]),
BucketEncryption=BucketEncryption(
ServerSideEncryptionConfiguration=[
ServerSideEncryptionRule(
ServerSideEncryptionByDefault=
ServerSideEncryptionByDefault(
# if we use KMS, we can't read the logs
SSEAlgorithm="AES256"))
]),
OwnershipControls=OwnershipControls(Rules=[
OwnershipControlsRule(ObjectOwnership="BucketOwnerPreferred")
], ),
PublicAccessBlockConfiguration=PublicAccessBlockConfiguration(
BlockPublicAcls=True,
BlockPublicPolicy=True,
IgnorePublicAcls=True,
RestrictPublicBuckets=True,
),
DependsOn=[log_ingester_permission],
))
log_ingester_log_group = template.add_resource(
LogGroup(
"LogIngesterLogGroup",
LogGroupName=Join(
"", ["/aws/lambda/", Ref(log_ingester)]),
RetentionInDays=If(retention_defined, Ref(log_retention_days),
NoValue),
))
log_ingester_policy = template.add_resource(
PolicyType(
"LogIngesterPolicy",
Roles=[Ref(log_ingester_role)],
PolicyName="IngestLogPolicy",
PolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Action=[logs.CreateLogStream, logs.PutLogEvents],
Resource=[
Join(
":",
[
"arn",
Partition,
"logs",
Region,
AccountId,
"log-group",
"/aws/cloudfront/*",
],
),
Join(
":",
[
"arn",
Partition,
"logs",
Region,
AccountId,
"log-group",
"/aws/s3/*",
],
),
GetAtt(log_ingester_log_group, "Arn"),
],
),
Statement(
Effect=Allow,
Action=[s3.GetObject],
Resource=[Join("", [GetAtt(log_bucket, "Arn"), "/*"])],
),
],
),
))
bucket = template.add_resource(
Bucket(
"ContentBucket",
LifecycleConfiguration=LifecycleConfiguration(Rules=[
# not supported by CFN yet:
# LifecycleRule(
# Transitions=[
# LifecycleRuleTransition(
# StorageClass='INTELLIGENT_TIERING',
# TransitionInDays=1,
# ),
# ],
# Status="Enabled",
# ),
LifecycleRule(
AbortIncompleteMultipartUpload=
AbortIncompleteMultipartUpload(DaysAfterInitiation=7),
Status="Enabled",
)
]),
LoggingConfiguration=LoggingConfiguration(
DestinationBucketName=Ref(log_bucket), LogFilePrefix="s3/"),
BucketEncryption=BucketEncryption(
ServerSideEncryptionConfiguration=[
ServerSideEncryptionRule(
ServerSideEncryptionByDefault=
ServerSideEncryptionByDefault(
# Origin Access Identities can't use KMS
SSEAlgorithm="AES256"))
]),
OwnershipControls=OwnershipControls(Rules=[
OwnershipControlsRule(ObjectOwnership="BucketOwnerPreferred")
], ),
PublicAccessBlockConfiguration=PublicAccessBlockConfiguration(
BlockPublicAcls=True,
BlockPublicPolicy=True,
IgnorePublicAcls=True,
RestrictPublicBuckets=True,
),
))
origin_access_identity = template.add_resource(
CloudFrontOriginAccessIdentity(
"CloudFrontIdentity",
CloudFrontOriginAccessIdentityConfig=
CloudFrontOriginAccessIdentityConfig(
Comment=GetAtt(bucket, "Arn")),
))
bucket_policy = template.add_resource(
BucketPolicy(
"ContentBucketPolicy",
Bucket=Ref(bucket),
PolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Principal=Principal(
"CanonicalUser",
GetAtt(origin_access_identity,
"S3CanonicalUserId"),
),
Action=[s3.GetObject],
Resource=[Join("", [GetAtt(bucket, "Arn"), "/*"])],
),
],
),
))
# Not strictly necessary, as ACLs should take care of this access. However, CloudFront docs
# state "In some circumstances [...] S3 resets permissions on the bucket to the default value",
# and this allows logging to work without any ACLs in place.
log_bucket_policy = template.add_resource(
BucketPolicy(
"LogBucketPolicy",
Bucket=Ref(log_bucket),
PolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Principal=Principal("Service",
"delivery.logs.amazonaws.com"),
Action=[s3.PutObject],
Resource=[
Join(
"/",
[GetAtt(log_bucket, "Arn"), "cloudfront", "*"])
],
),
Statement(
Effect=Allow,
Principal=Principal("Service",
"delivery.logs.amazonaws.com"),
Action=[s3.ListBucket],
Resource=[Join("/", [GetAtt(log_bucket, "Arn")])],
),
Statement(
Effect=Allow,
Principal=Principal("Service", "s3.amazonaws.com"),
Action=[s3.PutObject],
Resource=[
Join("/", [GetAtt(log_bucket, "Arn"), "s3", "*"])
],
),
],
),
))
certificate_validator_dlq = template.add_resource(
Queue(
"CertificateValidatorDLQ",
MessageRetentionPeriod=int(
datetime.timedelta(days=14).total_seconds()),
KmsMasterKeyId="alias/aws/sqs",
Condition=should_create_certificate,
))
certificate_validator_role = template.add_resource(
Role(
"CertificateValidatorRole",
AssumeRolePolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect="Allow",
Principal=Principal("Service", "lambda.amazonaws.com"),
Action=[sts.AssumeRole],
)
],
),
Policies=[
PolicyProperty(
PolicyName="DLQPolicy",
PolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Action=[sqs.SendMessage],
Resource=[
GetAtt(certificate_validator_dlq, "Arn")
],
)
],
),
)
],
# TODO scope down
ManagedPolicyArns=[
"arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole",
"arn:aws:iam::aws:policy/AmazonRoute53FullAccess",
"arn:aws:iam::aws:policy/AWSCertificateManagerReadOnly",
],
Condition=should_create_certificate,
))
certificate_validator_function = template.add_resource(
Function(
"CertificateValidatorFunction",
Runtime=PYTHON_RUNTIME,
Handler="index.{}".format(certificate_validator.handler.__name__),
Code=Code(ZipFile=inspect.getsource(certificate_validator)),
MemorySize=256,
Timeout=300,
Role=GetAtt(certificate_validator_role, "Arn"),
DeadLetterConfig=DeadLetterConfig(
TargetArn=GetAtt(certificate_validator_dlq, "Arn")),
Environment=Environment(
Variables={
certificate_validator.EnvVars.HOSTED_ZONE_ID.name:
Ref(hosted_zone_id)
}),
Condition=should_create_certificate,
))
certificate_validator_log_group = template.add_resource(
LogGroup(
"CertificateValidatorLogGroup",
LogGroupName=Join(
"", ["/aws/lambda/",
Ref(certificate_validator_function)]),
RetentionInDays=If(retention_defined, Ref(log_retention_days),
NoValue),
Condition=should_create_certificate,
))
certificate_validator_rule = template.add_resource(
Rule(
"CertificateValidatorRule",
EventPattern={
"detail-type": ["AWS API Call via CloudTrail"],
"detail": {
"eventSource": ["acm.amazonaws.com"],
"eventName": ["AddTagsToCertificate"],
"requestParameters": {
"tags": {
"key": [certificate_validator_function.title],
"value":
[GetAtt(certificate_validator_function, "Arn")],
}
},
},
},
Targets=[
Target(
Id="certificate-validator-lambda",
Arn=GetAtt(certificate_validator_function, "Arn"),
)
],
DependsOn=[certificate_validator_log_group],
Condition=should_create_certificate,
))
certificate_validator_permission = template.add_resource(
Permission(
"CertificateValidatorPermission",
FunctionName=GetAtt(certificate_validator_function, "Arn"),
Action="lambda:InvokeFunction",
Principal="events.amazonaws.com",
SourceArn=GetAtt(certificate_validator_rule, "Arn"),
Condition=should_create_certificate,
))
certificate = template.add_resource(
Certificate(
"Certificate",
DomainName=Select(0, Ref(dns_names)),
SubjectAlternativeNames=Ref(
dns_names), # duplicate first name works fine
ValidationMethod="DNS",
Tags=Tags(
**{
certificate_validator_function.title:
GetAtt(certificate_validator_function, "Arn")
}),
DependsOn=[certificate_validator_permission],
Condition=should_create_certificate,
))
edge_hook_role = template.add_resource(
Role(
"EdgeHookRole",
AssumeRolePolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect="Allow",
Principal=Principal(
"Service",
[
"lambda.amazonaws.com",
"edgelambda.amazonaws.com"
],
),
Action=[sts.AssumeRole],
)
],
),
))
edge_hook_function = template.add_resource(
Function(
"EdgeHookFunction",
Runtime=PYTHON_RUNTIME,
Handler="index.handler",
Code=Code(ZipFile=inspect.getsource(edge_hook)),
MemorySize=128,
Timeout=3,
Role=GetAtt(edge_hook_role, "Arn"),
))
edge_hook_function_hash = (hashlib.sha256(
json.dumps(edge_hook_function.to_dict(),
sort_keys=True).encode("utf-8")).hexdigest()[:10].upper())
edge_hook_version = template.add_resource(
Version(
"EdgeHookVersion" + edge_hook_function_hash,
FunctionName=GetAtt(edge_hook_function, "Arn"),
))
replica_log_group_name = Join(
"/",
[
"/aws/lambda",
Join(
".",
[
FindInMap(partition_config, Partition, "PrimaryRegion"),
Ref(edge_hook_function),
],
),
],
)
edge_hook_role_policy = template.add_resource(
PolicyType(
"EdgeHookRolePolicy",
PolicyName="write-logs",
PolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Action=[logs.CreateLogStream, logs.PutLogEvents],
Resource=[
Join(
":",
[
"arn",
Partition,
"logs",
"*",
AccountId,
"log-group",
replica_log_group_name,
"log-stream",
"*",
],
),
],
),
],
),
Roles=[Ref(edge_hook_role)],
))
stack_set_administration_role = template.add_resource(
Role(
"StackSetAdministrationRole",
AssumeRolePolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Principal=Principal("Service",
"cloudformation.amazonaws.com"),
Action=[sts.AssumeRole],
),
],
),
))
stack_set_execution_role = template.add_resource(
Role(
"StackSetExecutionRole",
AssumeRolePolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Principal=Principal(
"AWS", GetAtt(stack_set_administration_role,
"Arn")),
Action=[sts.AssumeRole],
),
],
),
Policies=[
PolicyProperty(
PolicyName="create-stackset-instances",
PolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Action=[
cloudformation.DescribeStacks,
logs.DescribeLogGroups,
],
Resource=["*"],
),
# stack instances communicate with the CFN service via SNS
Statement(
Effect=Allow,
Action=[sns.Publish],
NotResource=[
Join(
":",
[
"arn", Partition, "sns", "*",
AccountId, "*"
],
)
],
),
Statement(
Effect=Allow,
Action=[
logs.CreateLogGroup,
logs.DeleteLogGroup,
logs.PutRetentionPolicy,
logs.DeleteRetentionPolicy,
],
Resource=[
Join(
":",
[
"arn",
Partition,
"logs",
"*",
AccountId,
"log-group",
replica_log_group_name,
"log-stream",
"",
],
),
],
),
Statement(
Effect=Allow,
Action=[
cloudformation.CreateStack,
cloudformation.DeleteStack,
cloudformation.UpdateStack,
],
Resource=[
Join(
":",
[
"arn",
Partition,
"cloudformation",
"*",
AccountId,
Join(
"/",
[
"stack",
Join(
"-",
[
"StackSet",
StackName, "*"
],
),
],
),
],
)
],
),
],
),
),
],
))
stack_set_administration_role_policy = template.add_resource(
PolicyType(
"StackSetAdministrationRolePolicy",
PolicyName="assume-execution-role",
PolicyDocument=PolicyDocument(
Version="2012-10-17",
Statement=[
Statement(
Effect=Allow,
Action=[sts.AssumeRole],
Resource=[GetAtt(stack_set_execution_role, "Arn")],
),
],
),
Roles=[Ref(stack_set_administration_role)],
))
edge_log_groups = template.add_resource(
StackSet(
"EdgeLambdaLogGroupStackSet",
AdministrationRoleARN=GetAtt(stack_set_administration_role, "Arn"),
ExecutionRoleName=Ref(stack_set_execution_role),
StackSetName=Join("-", [StackName, "EdgeLambdaLogGroup"]),
PermissionModel="SELF_MANAGED",
Description="Multi-region log groups for Lambda@Edge replicas",
Parameters=[
StackSetParameter(
ParameterKey="LogGroupName",
ParameterValue=replica_log_group_name,
),
StackSetParameter(
ParameterKey="LogRetentionDays",
ParameterValue=Ref(log_retention_days),
),
],
OperationPreferences=OperationPreferences(
FailureToleranceCount=0,
MaxConcurrentPercentage=100,
),
StackInstancesGroup=[
StackInstances(
DeploymentTargets=DeploymentTargets(Accounts=[AccountId]),
Regions=FindInMap(partition_config, Partition,
"DefaultRegions"),
)
],
TemplateBody=create_log_group_template().to_json(indent=None),
DependsOn=[stack_set_administration_role_policy],
))
price_class_distribution = template.add_resource(
Distribution(
"PriceClassDistribution",
DistributionConfig=DistributionConfig(
Comment="Dummy distribution used for price class hack",
DefaultCacheBehavior=DefaultCacheBehavior(
TargetOriginId="default",
ViewerProtocolPolicy="allow-all",
ForwardedValues=ForwardedValues(QueryString=False),
),
Enabled=True,
Origins=[
Origin(Id="default",
DomainName=GetAtt(bucket, "DomainName"))
],
IPV6Enabled=True,
ViewerCertificate=ViewerCertificate(
CloudFrontDefaultCertificate=True),
PriceClass="PriceClass_All",
),
Condition=using_price_class_hack,
))
distribution = template.add_resource(
Distribution(
"ContentDistribution",
DistributionConfig=DistributionConfig(
Enabled=True,
Aliases=If(using_dns_names, Ref(dns_names), NoValue),
Logging=Logging(Bucket=GetAtt(log_bucket, "DomainName"),
Prefix="cloudfront/"),
DefaultRootObject="index.html",
Origins=[
Origin(
Id="default",
DomainName=GetAtt(bucket, "DomainName"),
S3OriginConfig=S3OriginConfig(
OriginAccessIdentity=Join(
"",
[
"origin-access-identity/cloudfront/",
Ref(origin_access_identity),
],
)),
)
],
DefaultCacheBehavior=DefaultCacheBehavior(
TargetOriginId="default",
Compress=True,
ForwardedValues=ForwardedValues(QueryString=False),
ViewerProtocolPolicy="redirect-to-https",
DefaultTTL=Ref(default_ttl_seconds),
LambdaFunctionAssociations=[
LambdaFunctionAssociation(
EventType="origin-request",
LambdaFunctionARN=Ref(edge_hook_version),
)
],
),
HttpVersion="http2",
IPV6Enabled=True,
ViewerCertificate=ViewerCertificate(
AcmCertificateArn=If(
using_acm_certificate,
Ref(acm_certificate_arn),
If(using_hosted_zone, Ref(certificate), NoValue),
),
SslSupportMethod=If(using_certificate, "sni-only",
NoValue),
CloudFrontDefaultCertificate=If(using_certificate, NoValue,
True),
MinimumProtocolVersion=Ref(tls_protocol_version),
),
PriceClass=If(using_price_class_hack, "PriceClass_100",
"PriceClass_All"),
),
DependsOn=[
bucket_policy,
log_ingester_policy,
edge_log_groups,
precondition_region_is_primary,
],
))
distribution_log_group = template.add_resource(
LogGroup(
"DistributionLogGroup",
LogGroupName=Join(
"", ["/aws/cloudfront/", Ref(distribution)]),
RetentionInDays=If(retention_defined, Ref(log_retention_days),
NoValue),
))
bucket_log_group = template.add_resource(
LogGroup(
"BucketLogGroup",
LogGroupName=Join("", ["/aws/s3/", Ref(bucket)]),
RetentionInDays=If(retention_defined, Ref(log_retention_days),
NoValue),
))
template.add_output(Output("DistributionId", Value=Ref(distribution)))
template.add_output(
Output("DistributionDomain", Value=GetAtt(distribution, "DomainName")))
template.add_output(
Output(
"DistributionDnsTarget",
Value=If(
using_price_class_hack,
GetAtt(price_class_distribution, "DomainName"),
GetAtt(distribution, "DomainName"),
),
))
template.add_output(
Output(
"DistributionUrl",
Value=Join("",
["https://",
GetAtt(distribution, "DomainName"), "/"]),
))
template.add_output(Output("ContentBucketArn", Value=GetAtt(bucket,
"Arn")))
return template
MaxLength="64",
Type="String",
))
WebServerCapacity = t.add_parameter(Parameter(
"WebServerCapacity",
Description="The initial nuber of WebServer instances",
Default="2",
Type="Number",
MaxValue="5",
MinValue="1",
ConstraintDescription="must be between 1 and 5 EC2 instances.",
))
t.add_condition("Is-EC2-Classic",
Not(Condition("Is-EC2-VPC"))
)
t.add_condition("Is-EC2-VPC",
Or(Equals(Ref("AWS::Region"), "eu-central-1"), Equals(Ref("AWS::Region"), "cn-north-1"), Equals(Ref("AWS::Region"), "ap-northeast-2"))
)
t.add_mapping("AWSInstanceType2Arch",
{u'c1.medium': {u'Arch': u'PV64'},
u'c1.xlarge': {u'Arch': u'PV64'},
u'c3.2xlarge': {u'Arch': u'HVM64'},
u'c3.4xlarge': {u'Arch': u'HVM64'},
u'c3.8xlarge': {u'Arch': u'HVM64'},
u'c3.large': {u'Arch': u'HVM64'},
u'c3.xlarge': {u'Arch': u'HVM64'},
u'c4.2xlarge': {u'Arch': u'HVM64'},
"""
ecs_composex.rds conditions for CFN. Allows to implement conditional logic in native CFN format.
"""
from troposphere import And, Condition, Equals, Not, Or, Ref, Select, Split
from ecs_composex.rds.rds_params import DB_ENGINE_NAME, DB_SNAPSHOT_ID, DBS_SUBNET_GROUP
DBS_SUBNET_GROUP_CON_T = "CreateSubnetGroupCondition"
DBS_SUBNET_GROUP_CON = Equals(Ref(DBS_SUBNET_GROUP), DBS_SUBNET_GROUP.Default)
NOT_USE_DB_SNAPSHOT_CON_T = "NotUseSnapshotToCreateDbCondition"
NOT_USE_DB_SNAPSHOT_CON = Equals(Ref(DB_SNAPSHOT_ID), DB_SNAPSHOT_ID.Default)
USE_DB_SNAPSHOT_CON_T = "UseSnapshotToCreateDbCondition"
USE_DB_SNAPSHOT_CON = Not(Condition(NOT_USE_DB_SNAPSHOT_CON_T))
USE_CLUSTER_CON_T = "UseAuroraClusterCondition"
USE_CLUSTER_CON = Equals("aurora", Select(0, Split("-", Ref(DB_ENGINE_NAME))))
NOT_USE_CLUSTER_CON_T = "NotUseClusterCondition"
NOT_USE_CLUSTER_CON = Not(Condition(USE_CLUSTER_CON_T))
USE_CLUSTER_AND_SNAPSHOT_CON_T = "UseClusterAndSnapshotCondition"
USE_CLUSTER_AND_SNAPSHOT_CON = And(Condition(USE_CLUSTER_CON_T),
Condition(USE_DB_SNAPSHOT_CON_T))
USE_CLUSTER_NOT_SNAPSHOT_CON_T = "UseClusterAndNotSnapshotCondition"
USE_CLUSTER_NOT_SNAPSHOT_CON = And(Condition(USE_CLUSTER_CON_T),
Condition(NOT_USE_DB_SNAPSHOT_CON_T))
),
"Four": Parameter(
"Four",
Type="String",
),
"SshKeyName": Parameter(
"SshKeyName",
Type="String",
)
}
conditions = {
"OneEqualsFoo":
Equals(Ref("One"), "Foo"),
"NotOneEqualsFoo":
Not(Condition("OneEqualsFoo")),
"BarEqualsTwo":
Equals("Bar", Ref("Two")),
"ThreeEqualsFour":
Equals(Ref("Three"), Ref("Four")),
"OneEqualsFooOrBarEqualsTwo":
Or(Condition("OneEqualsFoo"), Condition("BarEqualsTwo")),
"OneEqualsFooAndNotBarEqualsTwo":
And(Condition("OneEqualsFoo"), Not(Condition("BarEqualsTwo"))),
"OneEqualsFooAndBarEqualsTwoAndThreeEqualsPft":
And(Condition("OneEqualsFoo"), Condition("BarEqualsTwo"),
Equals(Ref("Three"), "Pft")),
"OneIsQuzAndThreeEqualsFour":
And(Equals(Ref("One"), "Quz"), Condition("ThreeEqualsFour")),
"LaunchInstance":
And(Condition("OneEqualsFoo"), Condition("NotOneEqualsFoo"),
Type="String",
),
"SshKeyName": Parameter(
"SshKeyName",
Type="String",
)
}
#Define conditions here.
conditions = {
"ValidateRegion": Equals(
Ref("AWS::Region"),
"eu-west-1"
),
"NotOneEqualsFoo": Not(
Condition("OneEqualsFoo")
),
"BarEqualsTwo": Equals(
"Bar",
Ref("Two")
),
"ThreeEqualsFour": Equals(
Ref("Three"),
Ref("Four")
),
"OneEqualsFooOrBarEqualsTwo": Or(
Condition("OneEqualsFoo"),
Condition("BarEqualsTwo")
),
"OneEqualsFooAndNotBarEqualsTwo": And(
Condition("OneEqualsFoo"),
def main(args):
t = Template()
# [0 shared_dir, 1 efs_fs_id, 2 performance_mode, 3 efs_kms_key_id,
# 4 provisioned_throughput, 5 encrypted, 6 throughput_mode, 7 exists_valid_head_node_mt, 8 exists_valid_compute_mt]
efs_options = t.add_parameter(
Parameter(
"EFSOptions",
Type="CommaDelimitedList",
Description="Comma separated list of efs related options, 9 parameters in total",
)
)
compute_security_group = t.add_parameter(
Parameter("ComputeSecurityGroup", Type="String", Description="Security Group for Mount Target")
)
head_node_subnet_id = t.add_parameter(
Parameter("MasterSubnetId", Type="String", Description="Head node subnet id for head node mount target")
)
compute_subnet_id = t.add_parameter(
Parameter(
"ComputeSubnetId",
Type="String",
Description="User provided compute subnet id. Will be use to create compute mount target if needed.",
)
)
create_efs = t.add_condition(
"CreateEFS",
And(Not(Equals(Select(str(0), Ref(efs_options)), "NONE")), Equals(Select(str(1), Ref(efs_options)), "NONE")),
)
create_head_node_mt = t.add_condition(
"CreateMasterMT",
And(Not(Equals(Select(str(0), Ref(efs_options)), "NONE")), Equals(Select(str(7), Ref(efs_options)), "NONE")),
)
no_mt_in_compute_az = t.add_condition("NoMTInComputeAZ", Equals(Select(str(8), Ref(efs_options)), "NONE"))
use_user_provided_compute_subnet = t.add_condition(
"UseUserProvidedComputeSubnet", Not(Equals(Ref(compute_subnet_id), "NONE"))
)
# Need to create compute mount target if:
# user is providing a compute subnet and
# there is no existing MT in compute subnet's AZ(includes case where head node AZ == compute AZ).
#
# If user is not providing a compute subnet, either we are using the head node subnet as compute subnet,
# or we will be creating a compute subnet that is in the same AZ as head node subnet,
# see ComputeSubnet resource in the main stack.
# In both cases no compute MT is needed.
create_compute_mt = t.add_condition(
"CreateComputeMT", And(Condition(use_user_provided_compute_subnet), Condition(no_mt_in_compute_az))
)
use_performance_mode = t.add_condition("UsePerformanceMode", Not(Equals(Select(str(2), Ref(efs_options)), "NONE")))
use_efs_encryption = t.add_condition("UseEFSEncryption", Equals(Select(str(5), Ref(efs_options)), "true"))
use_efs_kms_key = t.add_condition(
"UseEFSKMSKey", And(Condition(use_efs_encryption), Not(Equals(Select(str(3), Ref(efs_options)), "NONE")))
)
use_throughput_mode = t.add_condition("UseThroughputMode", Not(Equals(Select(str(6), Ref(efs_options)), "NONE")))
use_provisioned = t.add_condition("UseProvisioned", Equals(Select(str(6), Ref(efs_options)), "provisioned"))
use_provisioned_throughput = t.add_condition(
"UseProvisionedThroughput",
And(Condition(use_provisioned), Not(Equals(Select(str(4), Ref(efs_options)), "NONE"))),
)
fs = t.add_resource(
FileSystem(
"EFSFS",
PerformanceMode=If(use_performance_mode, Select(str(2), Ref(efs_options)), NoValue),
ProvisionedThroughputInMibps=If(use_provisioned_throughput, Select(str(4), Ref(efs_options)), NoValue),
ThroughputMode=If(use_throughput_mode, Select(str(6), Ref(efs_options)), NoValue),
Encrypted=If(use_efs_encryption, Select(str(5), Ref(efs_options)), NoValue),
KmsKeyId=If(use_efs_kms_key, Select(str(3), Ref(efs_options)), NoValue),
Condition=create_efs,
)
)
t.add_resource(
MountTarget(
"MasterSubnetEFSMT",
FileSystemId=If(create_efs, Ref(fs), Select(str(1), Ref(efs_options))),
SecurityGroups=[Ref(compute_security_group)],
SubnetId=Ref(head_node_subnet_id),
Condition=create_head_node_mt,
)
)
t.add_resource(
MountTarget(
"ComputeSubnetEFSMT",
FileSystemId=If(create_efs, Ref(fs), Select(str(1), Ref(efs_options))),
SecurityGroups=[Ref(compute_security_group)],
SubnetId=Ref(compute_subnet_id),
Condition=create_compute_mt,
)
)
t.add_output(
Output(
"FileSystemId",
Description="ID of the FileSystem",
Value=If(create_efs, Ref(fs), Select("1", Ref(efs_options))),
)
)
# Specify output file path
json_file_path = args.target_path
output_file = open(json_file_path, "w")
output_file.write(t.to_json())
output_file.close()
'Three',
Type='String',
),
Parameter(
'Four',
Type='String',
),
Parameter(
'SshKeyName',
Type='String',
)
])
t.add_condition('OneEqualsFoo', Equals(Ref('One'), 'Foo'))
t.add_condition('NotOneEqualsFoo', Not(Condition('OneEqualsFoo')))
t.add_condition('BarEqualsTwo', Equals('Bar', Ref('Two')))
t.add_condition('ThreeEqualsFour', Equals(Ref('Three'), Ref('Four')))
t.add_condition('OneEqualsFooOrBarEqualsTwo',
Or(Condition('OneEqualsFoo'), Condition('BarEqualsTwo')))
t.add_condition('OneEqualsFooAndNotBarEqualsTwo',
And(Condition('OneEqualsFoo'), Not(Condition('BarEqualsTwo'))))
t.add_condition(
'OneEqualsFooAndBarEqualsTwoAndThreeEqualsPft',
And(Condition('OneEqualsFoo'), Condition('BarEqualsTwo'),
Equals(Ref('Three'), 'Pft')))
def ssm_network():
template = Template()
default_route = "0.0.0.0/0"
vpc_cidr = "192.168.0.0/16"
template.add_parameter(Parameter(
"VpcCidr",
Type="String",
Description="Cidr block for VPC",
MinLength="9",
MaxLength="18",
Default=vpc_cidr,
AllowedPattern="(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})",
ConstraintDescription="Must match following pattern 'xxx.xxx.xxx.xxx/xx'"
))
template.add_parameter(Parameter(
"CreateEndpoints",
Type="String",
Description="Create VPC Endpoints",
Default="No",
AllowedValues=["Yes", "No"],
ConstraintDescription="'Yes' or 'No' are only options"
))
template.add_parameter(Parameter(
"CreateNatGateway",
Type="String",
Description="Create NAT Gateway",
Default="No",
AllowedValues=["Yes", "No"],
ConstraintDescription="'Yes' or 'No' are only options"
))
conditions = {
"CreateVpcEndpointsUpperYes": Equals(
Ref("CreateEndpoints"), "Yes"
),
"CreateVpcEndpointsLowerYes": Equals(
Ref("CreateEndpoints"), "yes"
),
"CreateVpcEndpoints": Or(
Condition("CreateVpcEndpointsUpperYes"),
Condition("CreateVpcEndpointsLowerYes")
),
"CreateNatGatewayUpperYes": Equals(
Ref("CreateNatGateway"), "Yes"
),
"CreateNatGatewayLowerYes": Equals(
Ref("CreateNatGateway"), "yes"
),
"CreateNatGateway": Or(
Condition("CreateNatGatewayUpperYes"),
Condition("CreateNatGatewayLowerYes")
)
}
ssm_vpc = ec2.VPC(
'SsmVpc',
CidrBlock=Ref("VpcCidr"),
InstanceTenancy="default",
EnableDnsHostnames=True,
EnableDnsSupport=True,
Tags=Tags(
Name="SSM VPC"
)
)
subnet_blocks = Cidr(GetAtt(ssm_vpc, "CidrBlock"), 256, 8)
ssm_ig = ec2.InternetGateway(
'SsmIG',
)
ssm_attach_gw = ec2.VPCGatewayAttachment(
'SsmAttachGateway',
InternetGatewayId=Ref(ssm_ig),
VpcId=Ref(ssm_vpc)
)
ssm_public_subnet = ec2.Subnet(
'SsmPublicSubnet',
DependsOn=ssm_attach_gw,
AvailabilityZone=Select(0, GetAZs('')),
CidrBlock=Select(0, subnet_blocks),
VpcId=Ref(ssm_vpc),
Tags=Tags(
Name="Public Subnet"
)
)
ssm_public_route_table = ec2.RouteTable(
'SsmPublicRouteTable',
VpcId=Ref(ssm_vpc),
)
ssm_public_route = ec2.Route(
'SsmPublicRoute',
DestinationCidrBlock=default_route,
GatewayId=Ref(ssm_ig),
RouteTableId=Ref(ssm_public_route_table)
)
ssm_public_subnet_route_table_association = ec2.SubnetRouteTableAssociation(
'SsmPublicSubnetRouteTableAssociation',
RouteTableId=Ref(ssm_public_route_table),
SubnetId=Ref(ssm_public_subnet)
)
ssm_eip_nat_gateway = ec2.EIP(
'SsmEipNatGateway',
Condition="CreateNatGateway"
)
ssm_nat_gateway = ec2.NatGateway(
'SsmNatGateway',
Condition="CreateNatGateway",
DependsOn=ssm_eip_nat_gateway,
SubnetId=Ref(ssm_public_subnet),
AllocationId=GetAtt(ssm_eip_nat_gateway, "AllocationId"),
)
ssm_private_subnet = ec2.Subnet(
'SsmPrivateSubnet',
DependsOn=ssm_attach_gw,
AvailabilityZone=Select(0, GetAZs('')),
CidrBlock=Select(1, subnet_blocks),
VpcId=Ref(ssm_vpc),
Tags=Tags(
Name="Private Subnet"
)
)
ssm_private_route_table = ec2.RouteTable(
'SsmPrivateRouteTable',
VpcId=Ref(ssm_vpc),
)
ssm_private_route = ec2.Route(
'SsmPrivateRoute',
Condition="CreateNatGateway",
DestinationCidrBlock=default_route,
NatGatewayId=Ref(ssm_nat_gateway),
RouteTableId=Ref(ssm_private_route_table)
)
ssm_private_subnet_route_table_association = ec2.SubnetRouteTableAssociation(
'SsmPrivateSubnetRouteTableAssociation',
RouteTableId=Ref(ssm_private_route_table),
SubnetId=Ref(ssm_private_subnet)
)
ssm_sg_ingress_rules = [
ec2.SecurityGroupRule(
ToPort=443,
FromPort=443,
IpProtocol="tcp",
CidrIp=GetAtt(ssm_vpc, "CidrBlock")
)
]
ssm_security_group = ec2.SecurityGroup(
'SsmSecurityGroup',
GroupName="SsmSG",
GroupDescription="SG for SSM usage",
VpcId=Ref(ssm_vpc),
SecurityGroupIngress=ssm_sg_ingress_rules
)
ssm_s3e_vpc_endpoint = ec2.VPCEndpoint(
'SsmS3VpcEndpoint',
Condition="CreateVpcEndpoints",
RouteTableIds=[
Ref(ssm_private_route_table)
],
ServiceName=vpc_endpoint("s3"),
VpcId=Ref(ssm_vpc),
VpcEndpointType="Gateway"
)
ssm_ssm_vpc_endpoint = ec2.VPCEndpoint(
'SsmSsmVpcEndpoint',
Condition="CreateVpcEndpoints",
SubnetIds=[Ref(ssm_private_subnet)],
ServiceName=vpc_endpoint("ssm"),
VpcId=Ref(ssm_vpc),
VpcEndpointType="Interface",
SecurityGroupIds=[
Ref(ssm_security_group)
],
PrivateDnsEnabled=True
)
ssm_ssmmessages_vpc_endpoint = ec2.VPCEndpoint(
'SsmSsmMessagesVpcEndpoint',
Condition="CreateVpcEndpoints",
SubnetIds=[Ref(ssm_private_subnet)],
ServiceName=vpc_endpoint("ssmmessages"),
VpcId=Ref(ssm_vpc),
VpcEndpointType="Interface",
SecurityGroupIds=[
Ref(ssm_security_group)
],
PrivateDnsEnabled=True
)
ssm_ec2messages_vpc_endpoint = ec2.VPCEndpoint(
'SsmEc2MessagesVpcEndpoint',
Condition="CreateVpcEndpoints",
SubnetIds=[Ref(ssm_private_subnet)],
ServiceName=vpc_endpoint("ec2messages"),
VpcId=Ref(ssm_vpc),
VpcEndpointType="Interface",
SecurityGroupIds=[
Ref(ssm_security_group)
],
PrivateDnsEnabled=True
)
template.add_resource(ssm_vpc)
template.add_resource(ssm_ig)
template.add_resource(ssm_attach_gw)
template.add_resource(ssm_eip_nat_gateway)
template.add_resource(ssm_public_subnet)
template.add_resource(ssm_public_route_table)
template.add_resource(ssm_nat_gateway)
template.add_resource(ssm_public_route)
template.add_resource(ssm_public_subnet_route_table_association)
template.add_resource(ssm_private_subnet)
template.add_resource(ssm_private_route_table)
template.add_resource(ssm_private_route)
template.add_resource(ssm_private_subnet_route_table_association)
template.add_resource(ssm_security_group)
template.add_resource(ssm_s3e_vpc_endpoint)
template.add_resource(ssm_ec2messages_vpc_endpoint)
template.add_resource(ssm_ssm_vpc_endpoint)
template.add_resource(ssm_ssmmessages_vpc_endpoint)
for k in conditions:
template.add_condition(k, conditions[k])
template.add_output(Output(
'SsmVpc',
Description="VPC for SSM",
Value=Ref(ssm_vpc),
Export=Export(Join("", [Ref("AWS::StackName"), "-ssm-vpc"]))
))
template.add_output(Output(
'SsmSg',
Description="Security Group for SSM",
Value=Ref(ssm_security_group),
Export=Export(Join("", [Ref("AWS::StackName"), "-ssm-sg"]))
))
template.add_output(Output(
'SsmPrivateSubnet',
Description="Private Subnet for SSM",
Value=Ref(ssm_private_subnet),
Export=Export(Join("", [Ref("AWS::StackName"), "-ssm-private-subnet"]))
))
template.add_output(Output(
'SsmPrivateRouteTable',
Description="Private RouteTable for SSM",
Value=Ref(ssm_private_route_table),
Export=Export(Join("", [Ref("AWS::StackName"), "-ssm-private-route-table"]))
))
with open(os.path.dirname(os.path.realpath(__file__)) + '/ssm_network.yml', 'w') as cf_file:
cf_file.write(template.to_yaml())
return template.to_yaml()