def create_config(session, domain, keypair=None, db_config={}):
"""
Create the CloudFormationConfiguration object.
Args:
session: amazon session object
domain (string): domain of the stack being created
keypair: keypair used to by instances being created
db_config (dict): information needed by rds
Returns: the config for the Cloud Formation stack
"""
names = AWSNames(domain)
# Lookup IAM Role and SNS Topic ARNs for used later in the config
endpoint_role_arn = aws.role_arn_lookup(session, "endpoint")
cachemanager_role_arn = aws.role_arn_lookup(session, 'cachemanager')
dns_arn = aws.sns_topic_lookup(session, names.dns.replace(".", "-"))
if dns_arn is None:
raise Exception("SNS topic named dns." + domain + " does not exist.")
mailing_list_arn = aws.sns_topic_lookup(session, const.PRODUCTION_MAILING_LIST)
if mailing_list_arn is None:
msg = "MailingList {} needs to be created before running config".format(const.PRODUCTION_MAILING_LIST)
raise Exception(msg)
# Configure Vault and create the user data config that the endpoint will
# use for connecting to Vault and the DB instance
user_data = UserData()
user_data["system"]["fqdn"] = names.endpoint
user_data["system"]["type"] = "endpoint"
user_data["aws"]["db"] = names.endpoint_db
user_data["aws"]["cache"] = names.cache
user_data["aws"]["cache-state"] = names.cache_state
## cache-db and cache-stat-db need to be in user_data for lambda to access them.
user_data["aws"]["cache-db"] = "0"
user_data["aws"]["cache-state-db"] = "0"
user_data["aws"]["meta-db"] = names.meta
# Use CloudFormation's Ref function so that queues' URLs are placed into
# the Boss config file.
user_data["aws"]["s3-flush-queue"] = str(Ref(names.s3flush_queue)) # str(Ref("S3FlushQueue")) DP XXX
user_data["aws"]["s3-flush-deadletter-queue"] = str(Ref(names.deadletter_queue)) #str(Ref("DeadLetterQueue")) DP XXX
user_data["aws"]["cuboid_bucket"] = names.cuboid_bucket
user_data["aws"]["tile_bucket"] = names.tile_bucket
user_data["aws"]["ingest_bucket"] = names.ingest_bucket
user_data["aws"]["s3-index-table"] = names.s3_index
user_data["aws"]["tile-index-table"] = names.tile_index
user_data["aws"]["id-index-table"] = names.id_index
user_data["aws"]["id-count-table"] = names.id_count_index
user_data["aws"]["prod_mailing_list"] = mailing_list_arn
user_data["auth"]["OIDC_VERIFY_SSL"] = 'True'
user_data["lambda"]["flush_function"] = names.multi_lambda
user_data["lambda"]["page_in_function"] = names.multi_lambda
user_data["lambda"]["ingest_function"] = names.multi_lambda
user_data['sfn']['populate_upload_queue'] = names.ingest_queue_populate
user_data['sfn']['upload_sfn'] = names.ingest_queue_upload
user_data['sfn']['downsample_sfn'] = names.resolution_hierarchy
# Prepare user data for parsing by CloudFormation.
parsed_user_data = { "Fn::Join" : ["", user_data.format_for_cloudformation()]}
config = CloudFormationConfiguration('api', domain, const.REGION)
vpc_id = config.find_vpc(session)
az_subnets, external_subnets = config.find_all_availability_zones(session)
az_subnets_lambda, external_subnets_lambda = config.find_all_availability_zones(session, lambda_compatible_only=True)
sgs = aws.sg_lookup_all(session, vpc_id)
# DP XXX: hack until we can get productio updated correctly
config.add_security_group('AllHTTPSSecurityGroup', 'https.' + domain, [('tcp', '443', '443', '0.0.0.0/0')])
sgs[names.https] = Ref('AllHTTPSSecurityGroup')
# Create SQS queues and apply access control policies.
#config.add_sqs_queue("DeadLetterQueue", names.deadletter_queue, 30, 20160) DP XXX
config.add_sqs_queue(names.deadletter_queue, names.deadletter_queue, 30, 20160)
max_receives = 3
#config.add_sqs_queue("S3FlushQueue", DP XXX
config.add_sqs_queue(names.s3flush_queue,
names.s3flush_queue,
30,
dead=(Arn(names.deadletter_queue), max_receives))
config.add_sqs_policy("sqsEndpointPolicy", 'sqsEndpointPolicy', # DP XXX
[Ref(names.deadletter_queue), Ref(names.s3flush_queue)],
endpoint_role_arn)
config.add_sqs_policy("sqsCachemgrPolicy", 'sqsCachemgrPolicy', # DP XXX
[Ref(names.deadletter_queue), Ref(names.s3flush_queue)],
cachemanager_role_arn)
# Create the endpoint ASG, ELB, and RDS instance
config.add_autoscale_group("Endpoint",
names.endpoint,
aws.ami_lookup(session, "endpoint.boss"),
keypair,
subnets=az_subnets_lambda,
type_=const.ENDPOINT_TYPE,
security_groups=[sgs[names.internal]],
user_data=parsed_user_data,
min=const.ENDPOINT_CLUSTER_MIN,
max=const.ENDPOINT_CLUSTER_MAX,
elb=Ref("EndpointLoadBalancer"),
notifications=dns_arn,
role=aws.instance_profile_arn_lookup(session, 'endpoint'),
health_check_grace_period=90,
detailed_monitoring=True,
depends_on=["EndpointLoadBalancer", "EndpointDB"])
cert = aws.cert_arn_lookup(session, names.public_dns("api"))
config.add_loadbalancer("EndpointLoadBalancer",
names.endpoint_elb,
[("443", "80", "HTTPS", cert)],
subnets=external_subnets_lambda,
security_groups=[sgs[names.internal], sgs[names.https]],
public=True)
# Endpoint servers are not CPU bound typically, so react quickly to load
config.add_autoscale_policy("EndpointScaleUp",
Ref("Endpoint"),
adjustments=[
(0.0, 10, 1), # 12% - 22% Utilization add 1 instance
(10, None, 2) # Above 22% Utilization add 2 instances
],
alarms=[
("CPUUtilization", "Maximum", "GreaterThanThreshold", "12")
],
period=1)
config.add_autoscale_policy("EndpointScaleDown",
Ref("Endpoint"),
adjustments=[
(None, 0.0, -1), # Under 1.5% Utilization remove 1 instance
],
alarms=[
("CPUUtilization", "Average", "LessThanThreshold", "1.5")
],
period=50)
config.add_rds_db("EndpointDB",
names.endpoint_db,
db_config.get("port"),
db_config.get("name"),
db_config.get("user"),
db_config.get("password"),
az_subnets,
type_ = const.RDS_TYPE,
security_groups=[sgs[names.internal]])
# Create the Meta, s3Index, tileIndex, annotation Dynamo tables
with open(const.DYNAMO_METADATA_SCHEMA, 'r') as fh:
dynamo_cfg = json.load(fh)
config.add_dynamo_table_from_json("EndpointMetaDB", names.meta, **dynamo_cfg)
with open(const.DYNAMO_S3_INDEX_SCHEMA, 'r') as s3fh:
dynamo_s3_cfg = json.load(s3fh)
config.add_dynamo_table_from_json('s3Index', names.s3_index, **dynamo_s3_cfg) # DP XXX
with open(const.DYNAMO_TILE_INDEX_SCHEMA, 'r') as tilefh:
dynamo_tile_cfg = json.load(tilefh)
config.add_dynamo_table_from_json('tileIndex', names.tile_index, **dynamo_tile_cfg) # DP XXX
with open(const.DYNAMO_ID_INDEX_SCHEMA, 'r') as id_ind_fh:
dynamo_id_ind__cfg = json.load(id_ind_fh)
config.add_dynamo_table_from_json('idIndIndex', names.id_index, **dynamo_id_ind__cfg) # DP XXX
with open(const.DYNAMO_ID_COUNT_SCHEMA, 'r') as id_count_fh:
dynamo_id_count_cfg = json.load(id_count_fh)
config.add_dynamo_table_from_json('idCountIndex', names.id_count_index, **dynamo_id_count_cfg) # DP XXX
return config
def create_config(bosslet_config, db_config={}):
names = bosslet_config.names
session = bosslet_config.session
# Lookup IAM Role and SNS Topic ARNs for used later in the config
endpoint_role_arn = aws.role_arn_lookup(session, "endpoint")
cachemanager_role_arn = aws.role_arn_lookup(session, 'cachemanager')
dns_arn = aws.sns_topic_lookup(session, names.dns.sns)
if dns_arn is None:
raise MissingResourceError('SNS topic', names.dns.sns)
mailing_list_arn = aws.sns_topic_lookup(session,
bosslet_config.ALERT_TOPIC)
if mailing_list_arn is None:
raise MissingResourceError('SNS topic', bosslet_config.ALERT_TOPIC)
# Configure Vault and create the user data config that the endpoint will
# use for connecting to Vault and the DB instance
user_data = UserData()
user_data["system"]["fqdn"] = names.endpoint.dns
user_data["system"]["type"] = "endpoint"
user_data["aws"]["db"] = names.endpoint_db.rds
user_data["aws"]["cache"] = names.cache.redis
user_data["aws"]["cache-state"] = names.cache_state.redis
if const.REDIS_SESSION_TYPE is not None:
user_data["aws"]["cache-session"] = names.cache_session.redis
else:
# Don't create a Redis server for dev stacks.
user_data["aws"]["cache-session"] = ''
if const.REDIS_THROTTLE_TYPE is not None:
user_data["aws"]["cache-throttle"] = names.cache_throttle.redis
else:
user_data["aws"]["cache-throttle"] = ''
## cache-db and cache-stat-db need to be in user_data for lambda to access them.
user_data["aws"]["cache-db"] = "0"
user_data["aws"]["cache-state-db"] = "0"
user_data["aws"]["cache-throttle-db"] = "0"
user_data["aws"]["cache-session-db"] = "0"
user_data["aws"]["meta-db"] = names.meta.ddb
# Use CloudFormation's Ref function so that queues' URLs are placed into
# the Boss config file.
user_data["aws"]["s3-flush-queue"] = str(Ref(
names.s3flush.sqs)) # str(Ref("S3FlushQueue")) DP XXX
user_data["aws"]["s3-flush-deadletter-queue"] = str(
Ref(names.deadletter.sqs)) #str(Ref("DeadLetterQueue")) DP XXX
user_data["aws"]["cuboid_bucket"] = names.cuboid_bucket.s3
user_data["aws"]["tile_bucket"] = names.tile_bucket.s3
user_data["aws"]["ingest_bucket"] = names.ingest_bucket.s3
user_data["aws"]["s3-index-table"] = names.s3_index.ddb
user_data["aws"]["tile-index-table"] = names.tile_index.ddb
user_data["aws"]["id-index-table"] = names.id_index.ddb
user_data["aws"]["id-count-table"] = names.id_count_index.ddb
user_data["aws"]["prod_mailing_list"] = mailing_list_arn
user_data["aws"]["max_task_id_suffix"] = str(const.MAX_TASK_ID_SUFFIX)
user_data["aws"]["id-index-new-chunk-threshold"] = str(
const.DYNAMO_ID_INDEX_NEW_CHUNK_THRESHOLD)
user_data["aws"]["index-deadletter-queue"] = str(
Ref(names.index_deadletter.sqs))
user_data["aws"]["index-cuboids-keys-queue"] = str(
Ref(names.index_cuboids_keys.sqs))
user_data["auth"]["OIDC_VERIFY_SSL"] = str(bosslet_config.VERIFY_SSL)
user_data["lambda"]["flush_function"] = names.multi_lambda.lambda_
user_data["lambda"]["page_in_function"] = names.multi_lambda.lambda_
user_data["lambda"]["ingest_function"] = names.tile_ingest.lambda_
user_data["lambda"]["downsample_volume"] = names.downsample_volume.lambda_
user_data["lambda"]["tile_uploaded_function"] = names.tile_uploaded.lambda_
user_data['sfn']['populate_upload_queue'] = names.ingest_queue_populate.sfn
user_data['sfn']['upload_sfn'] = names.ingest_queue_upload.sfn
user_data['sfn'][
'volumetric_upload_sfn'] = names.volumetric_ingest_queue_upload.sfn
user_data['sfn']['downsample_sfn'] = names.resolution_hierarchy.sfn
user_data['sfn'][
'index_cuboid_supervisor_sfn'] = names.index_cuboid_supervisor.sfn
# Prepare user data for parsing by CloudFormation.
parsed_user_data = {
"Fn::Join": ["", user_data.format_for_cloudformation()]
}
config = CloudFormationConfiguration('api', bosslet_config, version="2")
keypair = bosslet_config.SSH_KEY
vpc_id = config.find_vpc()
internal_subnets, external_subnets = config.find_all_subnets()
az_subnets_asg, external_subnets_asg = config.find_all_subnets(
compatibility='asg')
sgs = aws.sg_lookup_all(session, vpc_id)
# DP XXX: hack until we can get productio updated correctly
config.add_security_group(
'AllHttpHttpsSecurityGroup', names.https.sg,
[('tcp', '443', '443', bosslet_config.HTTPS_INBOUND),
('tcp', '80', '80', bosslet_config.HTTPS_INBOUND)])
sgs[names.https.sg] = Ref('AllHttpHttpsSecurityGroup')
# Create SQS queues and apply access control policies.
# Deadletter queue for indexing operations. This one is populated
# manually by states in the indexing step functions.
config.add_sqs_queue(names.index_deadletter.sqs,
names.index_deadletter.sqs, 30, 20160)
# Queue that holds S3 object keys of cuboids to be indexed.
config.add_sqs_queue(names.index_cuboids_keys.sqs,
names.index_cuboids_keys.sqs, 120, 20160)
#config.add_sqs_queue("DeadLetterQueue", names.deadletter.sqs, 30, 20160) DP XXX
config.add_sqs_queue(names.deadletter.sqs, names.deadletter.sqs, 30, 20160)
max_receives = 3
#config.add_sqs_queue("S3FlushQueue", DP XXX
config.add_sqs_queue(names.s3flush.sqs,
names.s3flush.sqs,
30,
dead=(Arn(names.deadletter.sqs), max_receives))
config.add_sqs_policy(
"sqsEndpointPolicy",
'sqsEndpointPolicy', # DP XXX
[Ref(names.deadletter.sqs),
Ref(names.s3flush.sqs)],
endpoint_role_arn)
config.add_sqs_policy(
"sqsCachemgrPolicy",
'sqsCachemgrPolicy', # DP XXX
[Ref(names.deadletter.sqs),
Ref(names.s3flush.sqs)],
cachemanager_role_arn)
# Create the endpoint ASG, ELB, and RDS instance
cert = aws.cert_arn_lookup(session, names.public_dns("api"))
target_group_keys = config.add_app_loadbalancer(
"EndpointAppLoadBalancer",
names.endpoint_elb.dns, [("443", "80", "HTTPS", cert)],
vpc_id=vpc_id,
subnets=external_subnets_asg,
security_groups=[sgs[names.internal.sg], sgs[names.https.sg]],
public=True)
target_group_arns = [Ref(key) for key in target_group_keys]
config.add_public_dns('EndpointAppLoadBalancer', names.public_dns('api'))
config.add_autoscale_group("Endpoint",
names.endpoint.dns,
aws.ami_lookup(bosslet_config,
names.endpoint.ami),
keypair,
subnets=az_subnets_asg,
type_=const.ENDPOINT_TYPE,
security_groups=[sgs[names.internal.sg]],
user_data=parsed_user_data,
min=const.ENDPOINT_CLUSTER_MIN,
max=const.ENDPOINT_CLUSTER_MAX,
notifications=dns_arn,
role=aws.instance_profile_arn_lookup(
session, 'endpoint'),
health_check_grace_period=90,
detailed_monitoring=True,
target_group_arns=target_group_arns,
depends_on=["EndpointDB"])
# Endpoint servers are not CPU bound typically, so react quickly to load
config.add_autoscale_policy(
"EndpointScaleUp",
Ref("Endpoint"),
adjustments=[
(0.0, 10, 1), # 12% - 22% Utilization add 1 instance
(10, None, 2) # Above 22% Utilization add 2 instances
],
alarms=[("CPUUtilization", "Maximum", "GreaterThanThreshold", "12")],
period=1)
config.add_autoscale_policy(
"EndpointScaleDown",
Ref("Endpoint"),
adjustments=[
(None, 0.0, -1), # Under 1.5% Utilization remove 1 instance
],
alarms=[("CPUUtilization", "Average", "LessThanThreshold", "1.5")],
period=50)
config.add_rds_db("EndpointDB",
names.endpoint_db.dns,
db_config.get("port"),
db_config.get("name"),
db_config.get("user"),
db_config.get("password"),
internal_subnets,
type_=const.RDS_TYPE,
security_groups=[sgs[names.internal.sg]])
# Create the Meta, s3Index, tileIndex, annotation Dynamo tables
with open(const.DYNAMO_METADATA_SCHEMA, 'r') as fh:
dynamo_cfg = json.load(fh)
config.add_dynamo_table_from_json("EndpointMetaDB", names.meta.ddb,
**dynamo_cfg)
with open(const.DYNAMO_S3_INDEX_SCHEMA, 'r') as s3fh:
dynamo_s3_cfg = json.load(s3fh)
config.add_dynamo_table_from_json('s3Index', names.s3_index.ddb,
**dynamo_s3_cfg) # DP XXX
with open(const.DYNAMO_TILE_INDEX_SCHEMA, 'r') as tilefh:
dynamo_tile_cfg = json.load(tilefh)
config.add_dynamo_table_from_json('tileIndex', names.tile_index.ddb,
**dynamo_tile_cfg) # DP XXX
with open(const.DYNAMO_ID_INDEX_SCHEMA, 'r') as id_ind_fh:
dynamo_id_ind__cfg = json.load(id_ind_fh)
config.add_dynamo_table_from_json('idIndIndex', names.id_index.ddb,
**dynamo_id_ind__cfg) # DP XXX
with open(const.DYNAMO_ID_COUNT_SCHEMA, 'r') as id_count_fh:
dynamo_id_count_cfg = json.load(id_count_fh)
config.add_dynamo_table_from_json('idCountIndex', names.id_count_index.ddb,
**dynamo_id_count_cfg) # DP XXX
return config