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from uuid import uuid4
import boto3
import pytest
from botocore.exceptions import ClientError
from moto import mock_aws
from tests import EXAMPLE_AMI_ID, EXAMPLE_AMI_ID2
from .helpers import assert_dryrun_error
from .test_instances import retrieve_all_instances
def add_servers_to_region(ami_id, count, region):
ec2 = boto3.resource("ec2", region_name=region)
return ec2.create_instances(ImageId=ami_id, MinCount=count, MaxCount=count)
@mock_aws
def test_add_servers_to_a_single_region():
region = "ap-northeast-1"
id_1 = add_servers_to_region(EXAMPLE_AMI_ID, 1, region)[0].id
id_2 = add_servers_to_region(EXAMPLE_AMI_ID2, 1, region)[0].id
client = boto3.client("ec2", region_name=region)
instances = retrieve_all_instances(client)
instance1 = [i for i in instances if i["InstanceId"] == id_1][0]
assert instance1["ImageId"] == EXAMPLE_AMI_ID
instance2 = [i for i in instances if i["InstanceId"] == id_2][0]
assert instance2["ImageId"] == EXAMPLE_AMI_ID2
@mock_aws
def test_add_servers_to_multiple_regions():
region1 = "us-east-1"
region2 = "ap-northeast-1"
us_id = add_servers_to_region(EXAMPLE_AMI_ID, 1, region1)[0].id
ap_id = add_servers_to_region(EXAMPLE_AMI_ID2, 1, region2)[0].id
us_client = boto3.client("ec2", region_name=region1)
ap_client = boto3.client("ec2", region_name=region2)
us_instances = retrieve_all_instances(us_client)
ap_instances = retrieve_all_instances(ap_client)
assert us_id in [r["InstanceId"] for r in us_instances]
assert ap_id not in [r["InstanceId"] for r in us_instances]
assert ap_id in [r["InstanceId"] for r in ap_instances]
assert us_id not in [r["InstanceId"] for r in ap_instances]
us_instance = us_client.describe_instances(InstanceIds=[us_id])["Reservations"][0][
"Instances"
][0]
assert us_instance["ImageId"] == EXAMPLE_AMI_ID
ap_instance = ap_client.describe_instances(InstanceIds=[ap_id])["Reservations"][0][
"Instances"
][0]
assert ap_instance["ImageId"] == EXAMPLE_AMI_ID2
@mock_aws
def test_create_autoscaling_group():
regions = [("us-east-1", "c"), ("ap-northeast-1", "a")]
for region, zone in regions:
a_zone = f"{region}{zone}"
asg_name = f"{region}_tester_group_{str(uuid4())[0:6]}"
lb_name = f"{region}_lb_{str(uuid4())[0:6]}"
config_name = f"{region}_tester_{str(uuid4())[0:6]}"
elb_client = boto3.client("elb", region_name=region)
elb_client.create_load_balancer(
LoadBalancerName=lb_name,
Listeners=[
{"Protocol": "http", "LoadBalancerPort": 80, "InstancePort": 8080}
],
AvailabilityZones=[],
)
as_client = boto3.client("autoscaling", region_name=region)
as_client.create_launch_configuration(
LaunchConfigurationName=config_name,
ImageId=EXAMPLE_AMI_ID,
InstanceType="m1.small",
)
ec2_client = boto3.client("ec2", region_name=region)
subnet_id = ec2_client.describe_subnets(
Filters=[{"Name": "availability-zone", "Values": [a_zone]}]
)["Subnets"][0]["SubnetId"]
as_client.create_auto_scaling_group(
AutoScalingGroupName=asg_name,
AvailabilityZones=[a_zone],
DefaultCooldown=60,
DesiredCapacity=2,
HealthCheckGracePeriod=100,
HealthCheckType="EC2",
LaunchConfigurationName=config_name,
LoadBalancerNames=[lb_name],
MinSize=2,
MaxSize=2,
PlacementGroup="us_test_placement",
VPCZoneIdentifier=subnet_id,
TerminationPolicies=["OldestInstance", "NewestInstance"],
)
groups = as_client.describe_auto_scaling_groups(
AutoScalingGroupNames=[asg_name]
)["AutoScalingGroups"]
assert len(groups) == 1
group = groups[0]
assert group["AutoScalingGroupName"] == asg_name
assert group["DesiredCapacity"] == 2
assert group["MaxSize"] == 2
assert group["MinSize"] == 2
assert group["VPCZoneIdentifier"] == subnet_id
assert group["LaunchConfigurationName"] == config_name
assert group["DefaultCooldown"] == 60
assert group["HealthCheckGracePeriod"] == 100
assert group["HealthCheckType"] == "EC2"
assert group["LoadBalancerNames"] == [lb_name]
assert group["PlacementGroup"] == "us_test_placement"
assert group["TerminationPolicies"] == ["OldestInstance", "NewestInstance"]
@mock_aws
def test_describe_regions_dryrun():
client = boto3.client("ec2", region_name="us-east-1")
with pytest.raises(ClientError) as ex:
client.describe_regions(DryRun=True)
assert_dryrun_error(ex)
@mock_aws
@pytest.mark.parametrize(
"region_name", ["us-east-1", "us-east-2", "us-west-1", "us-west-2"]
)
def test_describe_zones_and_get_instance_types(region_name):
"""
Verify that instance types exist in all exposed Availability Zones
https://github.com/getmoto/moto/issues/5494
"""
client = boto3.client("ec2", region_name=region_name)
zones = client.describe_availability_zones()["AvailabilityZones"]
zone_names = [z["ZoneName"] for z in zones]
for zone in zone_names:
offerings = client.describe_instance_type_offerings(
LocationType="availability-zone",
Filters=[{"Name": "location", "Values": [zone]}],
)["InstanceTypeOfferings"]
assert len(offerings) > 0
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