moto/tests/test_opsworks/test_instances.py
2019-12-23 08:38:53 +01:00

207 lines
7.2 KiB
Python

from __future__ import unicode_literals
import boto3
import sure # noqa
from moto import mock_opsworks
from moto import mock_ec2
@mock_opsworks
def test_create_instance():
client = boto3.client("opsworks", region_name="us-east-1")
stack_id = client.create_stack(
Name="test_stack_1",
Region="us-east-1",
ServiceRoleArn="service_arn",
DefaultInstanceProfileArn="profile_arn",
)["StackId"]
layer_id = client.create_layer(
StackId=stack_id,
Type="custom",
Name="TestLayer",
Shortname="TestLayerShortName",
)["LayerId"]
second_stack_id = client.create_stack(
Name="test_stack_2",
Region="us-east-1",
ServiceRoleArn="service_arn",
DefaultInstanceProfileArn="profile_arn",
)["StackId"]
second_layer_id = client.create_layer(
StackId=second_stack_id,
Type="custom",
Name="SecondTestLayer",
Shortname="SecondTestLayerShortName",
)["LayerId"]
response = client.create_instance(
StackId=stack_id, LayerIds=[layer_id], InstanceType="t2.micro"
)
response.should.contain("InstanceId")
client.create_instance.when.called_with(
StackId="nothere", LayerIds=[layer_id], InstanceType="t2.micro"
).should.throw(Exception, "Unable to find stack with ID nothere")
client.create_instance.when.called_with(
StackId=stack_id, LayerIds=["nothere"], InstanceType="t2.micro"
).should.throw(Exception, "nothere")
# ClientError
client.create_instance.when.called_with(
StackId=stack_id, LayerIds=[second_layer_id], InstanceType="t2.micro"
).should.throw(Exception, "Please only provide layer IDs from the same stack")
# ClientError
client.start_instance.when.called_with(InstanceId="nothere").should.throw(
Exception, "Unable to find instance with ID nothere"
)
@mock_opsworks
def test_describe_instances():
"""
create two stacks, with 1 layer and 2 layers (S1L1, S2L1, S2L2)
populate S1L1 with 2 instances (S1L1_i1, S1L1_i2)
populate S2L1 with 1 instance (S2L1_i1)
populate S2L2 with 3 instances (S2L2_i1..2)
"""
client = boto3.client("opsworks", region_name="us-east-1")
S1 = client.create_stack(
Name="S1",
Region="us-east-1",
ServiceRoleArn="service_arn",
DefaultInstanceProfileArn="profile_arn",
)["StackId"]
S1L1 = client.create_layer(
StackId=S1, Type="custom", Name="S1L1", Shortname="S1L1"
)["LayerId"]
S2 = client.create_stack(
Name="S2",
Region="us-east-1",
ServiceRoleArn="service_arn",
DefaultInstanceProfileArn="profile_arn",
)["StackId"]
S2L1 = client.create_layer(
StackId=S2, Type="custom", Name="S2L1", Shortname="S2L1"
)["LayerId"]
S2L2 = client.create_layer(
StackId=S2, Type="custom", Name="S2L2", Shortname="S2L2"
)["LayerId"]
S1L1_i1 = client.create_instance(
StackId=S1, LayerIds=[S1L1], InstanceType="t2.micro"
)["InstanceId"]
S1L1_i2 = client.create_instance(
StackId=S1, LayerIds=[S1L1], InstanceType="t2.micro"
)["InstanceId"]
S2L1_i1 = client.create_instance(
StackId=S2, LayerIds=[S2L1], InstanceType="t2.micro"
)["InstanceId"]
S2L2_i1 = client.create_instance(
StackId=S2, LayerIds=[S2L2], InstanceType="t2.micro"
)["InstanceId"]
S2L2_i2 = client.create_instance(
StackId=S2, LayerIds=[S2L2], InstanceType="t2.micro"
)["InstanceId"]
# instances in Stack 1
response = client.describe_instances(StackId=S1)["Instances"]
response.should.have.length_of(2)
S1L1_i1.should.be.within([i["InstanceId"] for i in response])
S1L1_i2.should.be.within([i["InstanceId"] for i in response])
response2 = client.describe_instances(InstanceIds=[S1L1_i1, S1L1_i2])["Instances"]
sorted(response2, key=lambda d: d["InstanceId"]).should.equal(
sorted(response, key=lambda d: d["InstanceId"])
)
response3 = client.describe_instances(LayerId=S1L1)["Instances"]
sorted(response3, key=lambda d: d["InstanceId"]).should.equal(
sorted(response, key=lambda d: d["InstanceId"])
)
response = client.describe_instances(StackId=S1)["Instances"]
response.should.have.length_of(2)
S1L1_i1.should.be.within([i["InstanceId"] for i in response])
S1L1_i2.should.be.within([i["InstanceId"] for i in response])
# instances in Stack 2
response = client.describe_instances(StackId=S2)["Instances"]
response.should.have.length_of(3)
S2L1_i1.should.be.within([i["InstanceId"] for i in response])
S2L2_i1.should.be.within([i["InstanceId"] for i in response])
S2L2_i2.should.be.within([i["InstanceId"] for i in response])
response = client.describe_instances(LayerId=S2L1)["Instances"]
response.should.have.length_of(1)
S2L1_i1.should.be.within([i["InstanceId"] for i in response])
response = client.describe_instances(LayerId=S2L2)["Instances"]
response.should.have.length_of(2)
S2L1_i1.should_not.be.within([i["InstanceId"] for i in response])
# ClientError
client.describe_instances.when.called_with(StackId=S1, LayerId=S1L1).should.throw(
Exception, "Please provide either one or more"
)
# ClientError
client.describe_instances.when.called_with(StackId="nothere").should.throw(
Exception, "nothere"
)
# ClientError
client.describe_instances.when.called_with(LayerId="nothere").should.throw(
Exception, "nothere"
)
# ClientError
client.describe_instances.when.called_with(InstanceIds=["nothere"]).should.throw(
Exception, "nothere"
)
@mock_opsworks
@mock_ec2
def test_ec2_integration():
"""
instances created via OpsWorks should be discoverable via ec2
"""
opsworks = boto3.client("opsworks", region_name="us-east-1")
stack_id = opsworks.create_stack(
Name="S1",
Region="us-east-1",
ServiceRoleArn="service_arn",
DefaultInstanceProfileArn="profile_arn",
)["StackId"]
layer_id = opsworks.create_layer(
StackId=stack_id, Type="custom", Name="S1L1", Shortname="S1L1"
)["LayerId"]
instance_id = opsworks.create_instance(
StackId=stack_id,
LayerIds=[layer_id],
InstanceType="t2.micro",
SshKeyName="testSSH",
)["InstanceId"]
ec2 = boto3.client("ec2", region_name="us-east-1")
# Before starting the instance, it shouldn't be discoverable via ec2
reservations = ec2.describe_instances()["Reservations"]
assert reservations.should.be.empty
# After starting the instance, it should be discoverable via ec2
opsworks.start_instance(InstanceId=instance_id)
reservations = ec2.describe_instances()["Reservations"]
reservations[0]["Instances"].should.have.length_of(1)
instance = reservations[0]["Instances"][0]
opsworks_instance = opsworks.describe_instances(StackId=stack_id)["Instances"][0]
instance["InstanceId"].should.equal(opsworks_instance["Ec2InstanceId"])
instance["PrivateIpAddress"].should.equal(opsworks_instance["PrivateIp"])