def test_launch_templates(ec2_client_stub, ec2_client_stub_fail_fast,
ec2_client_stub_max_retries):
# given the launch template associated with our default head node type...
# expect to first describe the default launch template by ID
stubs.describe_launch_template_versions_by_id_default(
ec2_client_stub, ["$Latest"])
# given the launch template associated with our default worker node type...
# expect to next describe the same default launch template by name
stubs.describe_launch_template_versions_by_name_default(
ec2_client_stub, ["2"])
# use default stubs to skip ahead to subnet configuration
stubs.configure_key_pair_default(ec2_client_stub)
# given the security groups associated with our launch template...
sgids = [DEFAULT_SG["GroupId"]]
security_groups = [DEFAULT_SG]
# expect to describe all security groups to ensure they share the same VPC
stubs.describe_sgs_by_id(ec2_client_stub, sgids, security_groups)
# use a default stub to skip subnet configuration
stubs.configure_subnet_default(ec2_client_stub)
# given our mocks and an example config file as input...
# expect the config to be loaded, validated, and bootstrapped successfully
config = helpers.bootstrap_aws_example_config_file(
"example-launch-templates.yaml")
# instantiate a new node provider
new_provider = _get_node_provider(
config["provider"],
DEFAULT_CLUSTER_NAME,
False,
)
max_count = 1
for name, node_type in config["available_node_types"].items():
# given our bootstrapped node config as input to create a new node...
# expect to first describe all stopped instances that could be reused
stubs.describe_instances_with_any_filter_consumer(
ec2_client_stub_max_retries)
# given no stopped EC2 instances to reuse...
# expect to create new nodes with the given launch template config
node_cfg = node_type["node_config"]
stubs.run_instances_with_launch_template_consumer(
ec2_client_stub_fail_fast,
config,
node_cfg,
name,
DEFAULT_LT["LaunchTemplateData"],
max_count,
)
tags = helpers.node_provider_tags(config, name)
new_provider.create_node(node_cfg, tags, max_count)
ec2_client_stub.assert_no_pending_responses()
ec2_client_stub_fail_fast.assert_no_pending_responses()
ec2_client_stub_max_retries.assert_no_pending_responses()
def test_network_interfaces(
ec2_client_stub,
iam_client_stub,
ec2_client_stub_fail_fast,
ec2_client_stub_max_retries,
):
# use default stubs to skip ahead to subnet configuration
stubs.configure_iam_role_default(iam_client_stub)
stubs.configure_key_pair_default(ec2_client_stub)
# given the security groups associated with our network interfaces...
sgids = ["sg-00000000", "sg-11111111", "sg-22222222", "sg-33333333"]
security_groups = []
suffix = 0
for sgid in sgids:
sg = copy.deepcopy(DEFAULT_SG)
sg["GroupName"] += f"-{suffix}"
sg["GroupId"] = sgid
security_groups.append(sg)
suffix += 1
# expect to describe all security groups to ensure they share the same VPC
stubs.describe_sgs_by_id(ec2_client_stub, sgids, security_groups)
# use a default stub to skip subnet configuration
stubs.configure_subnet_default(ec2_client_stub)
# given our mocks and an example config file as input...
# expect the config to be loaded, validated, and bootstrapped successfully
config = helpers.bootstrap_aws_example_config_file(
"example-network-interfaces.yaml")
# instantiate a new node provider
new_provider = _get_node_provider(
config["provider"],
DEFAULT_CLUSTER_NAME,
False,
)
for name, node_type in config["available_node_types"].items():
node_cfg = node_type["node_config"]
tags = helpers.node_provider_tags(config, name)
# given our bootstrapped node config as input to create a new node...
# expect to first describe all stopped instances that could be reused
stubs.describe_instances_with_any_filter_consumer(
ec2_client_stub_max_retries)
# given no stopped EC2 instances to reuse...
# expect to create new nodes with the given network interface config
stubs.run_instances_with_network_interfaces_consumer(
ec2_client_stub_fail_fast,
node_cfg["NetworkInterfaces"],
)
new_provider.create_node(node_cfg, tags, 1)
iam_client_stub.assert_no_pending_responses()
ec2_client_stub.assert_no_pending_responses()
ec2_client_stub_fail_fast.assert_no_pending_responses()
ec2_client_stub_max_retries.assert_no_pending_responses()
def test_use_subnets_in_only_one_vpc(iam_client_stub, ec2_client_stub):
"""
This test validates that when bootstrap_aws populates the SubnetIds field,
all of the subnets used belong to the same VPC, and that a SecurityGroup
in that VPC is correctly configured.
"""
stubs.configure_iam_role_default(iam_client_stub)
stubs.configure_key_pair_default(ec2_client_stub)
# Add a response with a thousand subnets all in different VPCs.
# After filtering, only subnet in one particular VPC should remain.
# Thus head_node.SubnetIds and worker_nodes.SubnetIds should end up as
# being length-one lists after the bootstrap_config.
stubs.describe_a_thousand_subnets_in_different_vpcs(ec2_client_stub)
# describe the subnet in use while determining its vpc
stubs.describe_subnets_echo(ec2_client_stub, DEFAULT_SUBNET)
# given no existing security groups within the VPC...
stubs.describe_no_security_groups(ec2_client_stub)
# expect to create a security group on the VPC
stubs.create_sg_echo(ec2_client_stub, DEFAULT_SG)
# expect new security group details to be retrieved after creation
stubs.describe_sgs_on_vpc(
ec2_client_stub,
[DEFAULT_SUBNET["VpcId"]],
[DEFAULT_SG],
)
# given no existing default security group inbound rules...
# expect to authorize all default inbound rules
stubs.authorize_sg_ingress(
ec2_client_stub,
DEFAULT_SG_WITH_RULES,
)
# expect another call to describe the above security group while checking
# a second time if it has ip_permissions set ("if not sg.ip_permissions")
stubs.describe_an_sg_2(
ec2_client_stub,
DEFAULT_SG_WITH_RULES,
)
# given our mocks and an example config file as input...
# expect the config to be loaded, validated, and bootstrapped successfully
config = helpers.bootstrap_aws_example_config_file("example-full.yaml")
_get_vpc_id_or_die.cache_clear()
# We've filtered down to only one subnet id -- only one of the thousand
# subnets generated by ec2.subnets.all() belongs to the right VPC.
assert config["head_node"]["SubnetIds"] == [DEFAULT_SUBNET["SubnetId"]]
assert config["worker_nodes"]["SubnetIds"] == [DEFAULT_SUBNET["SubnetId"]]
# Check that the security group has been filled correctly.
assert config["head_node"]["SecurityGroupIds"] == [DEFAULT_SG["GroupId"]]
assert config["worker_nodes"]["SecurityGroupIds"] == [
DEFAULT_SG["GroupId"]
]
def test_create_sg_different_vpc_same_rules(iam_client_stub, ec2_client_stub):
# use default stubs to skip ahead to security group configuration
stubs.skip_to_configure_sg(ec2_client_stub, iam_client_stub)
# given head and worker nodes with custom subnets defined...
# expect to first describe the worker subnet ID
stubs.describe_subnets_echo(ec2_client_stub, AUX_SUBNET)
# expect to second describe the head subnet ID
stubs.describe_subnets_echo(ec2_client_stub, DEFAULT_SUBNET)
# given no existing security groups within the VPC...
stubs.describe_no_security_groups(ec2_client_stub)
# expect to first create a security group on the worker node VPC
stubs.create_sg_echo(ec2_client_stub, DEFAULT_SG_AUX_SUBNET)
# expect new worker security group details to be retrieved after creation
stubs.describe_sgs_on_vpc(
ec2_client_stub,
[AUX_SUBNET["VpcId"]],
[DEFAULT_SG_AUX_SUBNET],
)
# expect to second create a security group on the head node VPC
stubs.create_sg_echo(ec2_client_stub, DEFAULT_SG)
# expect new head security group details to be retrieved after creation
stubs.describe_sgs_on_vpc(
ec2_client_stub,
[DEFAULT_SUBNET["VpcId"]],
[DEFAULT_SG],
)
# given no existing default head security group inbound rules...
# expect to authorize all default head inbound rules
stubs.authorize_sg_ingress(
ec2_client_stub,
DEFAULT_SG_DUAL_GROUP_RULES,
)
# given no existing default worker security group inbound rules...
# expect to authorize all default worker inbound rules
stubs.authorize_sg_ingress(
ec2_client_stub,
DEFAULT_SG_WITH_RULES_AUX_SUBNET,
)
# given our mocks and an example config file as input...
# expect the config to be loaded, validated, and bootstrapped successfully
config = helpers.bootstrap_aws_example_config_file("example-subnets.yaml")
# expect the bootstrapped config to show different head and worker security
# groups residing on different subnets
assert config["head_node"]["SecurityGroupIds"] == [DEFAULT_SG["GroupId"]]
assert config["head_node"]["SubnetIds"] == [DEFAULT_SUBNET["SubnetId"]]
assert config["worker_nodes"]["SecurityGroupIds"] == [AUX_SG["GroupId"]]
assert config["worker_nodes"]["SubnetIds"] == [AUX_SUBNET["SubnetId"]]
# expect no pending responses left in IAM or EC2 client stub queues
iam_client_stub.assert_no_pending_responses()
ec2_client_stub.assert_no_pending_responses()
def test_create_sg_with_custom_inbound_rules_and_name(iam_client_stub,
ec2_client_stub):
# use default stubs to skip ahead to security group configuration
stubs.skip_to_configure_sg(ec2_client_stub, iam_client_stub)
# expect to describe the head subnet ID
stubs.describe_subnets_echo(ec2_client_stub, DEFAULT_SUBNET)
# given no existing security groups within the VPC...
stubs.describe_no_security_groups(ec2_client_stub)
# expect to create a security group on the head node VPC
stubs.create_sg_echo(ec2_client_stub, DEFAULT_SG_WITH_NAME)
# expect new head security group details to be retrieved after creation
stubs.describe_sgs_on_vpc(
ec2_client_stub,
[DEFAULT_SUBNET["VpcId"]],
[DEFAULT_SG_WITH_NAME],
)
# given custom existing default head security group inbound rules...
# expect to authorize both default and custom inbound rules
stubs.authorize_sg_ingress(
ec2_client_stub,
DEFAULT_SG_WITH_NAME_AND_RULES,
)
# given the prior modification to the head security group...
# expect the next read of a head security group property to reload it
stubs.describe_sg_echo(ec2_client_stub, DEFAULT_SG_WITH_NAME_AND_RULES)
_get_vpc_id_or_die.cache_clear()
# given our mocks and an example config file as input...
# expect the config to be loaded, validated, and bootstrapped successfully
config = helpers.bootstrap_aws_example_config_file(
"example-security-group.yaml")
# expect the bootstrapped config to have the custom security group...
# name and in bound rules
assert config["provider"]["security_group"][
"GroupName"] == DEFAULT_SG_WITH_NAME_AND_RULES["GroupName"]
assert config["provider"]["security_group"][
"IpPermissions"] == CUSTOM_IN_BOUND_RULES
# expect no pending responses left in IAM or EC2 client stub queues
iam_client_stub.assert_no_pending_responses()
ec2_client_stub.assert_no_pending_responses()
def test_subnet_given_head_and_worker_sg(iam_client_stub, ec2_client_stub):
stubs.configure_iam_role_default(iam_client_stub)
stubs.configure_key_pair_default(ec2_client_stub)
# list a security group and a thousand subnets in different vpcs
stubs.describe_a_security_group(ec2_client_stub, DEFAULT_SG)
stubs.describe_a_thousand_subnets_in_different_vpcs(ec2_client_stub)
config = helpers.bootstrap_aws_example_config_file(
"example-head-and-worker-security-group.yaml")
# check that just the single subnet in the right vpc is filled
assert config["head_node"]["SubnetIds"] == [DEFAULT_SUBNET["SubnetId"]]
assert config["worker_nodes"]["SubnetIds"] == [DEFAULT_SUBNET["SubnetId"]]
# expect no pending responses left in IAM or EC2 client stub queues
iam_client_stub.assert_no_pending_responses()
ec2_client_stub.assert_no_pending_responses()
def test_create_sg_different_vpc_same_rules(iam_client_stub, ec2_client_stub,
correct_az: bool):
# use default stubs to skip ahead to security group configuration
stubs.skip_to_configure_sg(ec2_client_stub, iam_client_stub)
default_subnet = copy.deepcopy(DEFAULT_SUBNET)
if not correct_az:
default_subnet["AvailabilityZone"] = "us-west-2b"
# given head and worker nodes with custom subnets defined...
# expect to second describe the head subnet ID
stubs.describe_subnets_echo(ec2_client_stub, [default_subnet])
# expect to first describe the worker subnet ID
stubs.describe_subnets_echo(ec2_client_stub, [AUX_SUBNET])
# given no existing security groups within the VPC...
stubs.describe_no_security_groups(ec2_client_stub)
# expect to first create a security group on the worker node VPC
stubs.create_sg_echo(ec2_client_stub, DEFAULT_SG_AUX_SUBNET)
# expect new worker security group details to be retrieved after creation
stubs.describe_sgs_on_vpc(
ec2_client_stub,
[AUX_SUBNET["VpcId"]],
[DEFAULT_SG_AUX_SUBNET],
)
# expect to second create a security group on the head node VPC
stubs.create_sg_echo(ec2_client_stub, DEFAULT_SG)
# expect new head security group details to be retrieved after creation
stubs.describe_sgs_on_vpc(
ec2_client_stub,
[DEFAULT_SUBNET["VpcId"]],
[DEFAULT_SG],
)
# given no existing default head security group inbound rules...
# expect to authorize all default head inbound rules
stubs.authorize_sg_ingress(
ec2_client_stub,
DEFAULT_SG_DUAL_GROUP_RULES,
)
# given no existing default worker security group inbound rules...
# expect to authorize all default worker inbound rules
stubs.authorize_sg_ingress(
ec2_client_stub,
DEFAULT_SG_WITH_RULES_AUX_SUBNET,
)
# given our mocks and an example config file as input...
# expect the config to be loaded, validated, and bootstrapped successfully
error = None
try:
config = helpers.bootstrap_aws_example_config_file(
"example-subnets.yaml")
except ClickException as e:
error = e
_get_subnets_or_die.cache_clear()
if not correct_az:
assert isinstance(error,
ClickException), "Did not get a ClickException!"
iam_client_stub._queue.clear()
ec2_client_stub._queue.clear()
return
# expect the bootstrapped config to show different head and worker security
# groups residing on different subnets
for node_type_key, node_type in config["available_node_types"].items():
node_config = node_type["node_config"]
security_group_ids = node_config["SecurityGroupIds"]
subnet_ids = node_config["SubnetIds"]
if node_type_key == config["head_node_type"]:
assert security_group_ids == [DEFAULT_SG["GroupId"]]
assert subnet_ids == [DEFAULT_SUBNET["SubnetId"]]
else:
assert security_group_ids == [AUX_SG["GroupId"]]
assert subnet_ids == [AUX_SUBNET["SubnetId"]]
# expect no pending responses left in IAM or EC2 client stub queues
iam_client_stub.assert_no_pending_responses()
ec2_client_stub.assert_no_pending_responses()
