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import boto3
import pytest
from botocore.exceptions import ClientError
from moto import mock_aws
from moto.core import DEFAULT_ACCOUNT_ID
@mock_aws
def test_create_global_cluster__not_enough_parameters():
client = boto3.client("rds", "us-east-1")
with pytest.raises(ClientError) as exc:
client.create_global_cluster(GlobalClusterIdentifier="gc1")
err = exc.value.response["Error"]
assert err["Code"] == "InvalidParameterValue"
assert (
err["Message"]
== "When creating standalone global cluster, value for engineName should be specified"
)
@mock_aws
def test_global_cluster_members():
# WHEN create_global_cluster is called
# AND create_db_cluster is called with GlobalClusterIdentifier set to the global cluster ARN
# THEN describe_global_cluster shows the second cluster as part of the GlobalClusterMembers
# AND describe_db_clusters shows the cluster as normal
client = boto3.client("rds", "us-east-1")
global_cluster = client.create_global_cluster(
GlobalClusterIdentifier="gc1", Engine="aurora-mysql"
)["GlobalCluster"]
assert global_cluster["GlobalClusterIdentifier"] == "gc1"
assert "GlobalClusterResourceId" in global_cluster
assert (
global_cluster["GlobalClusterArn"]
== f"arn:aws:rds::{DEFAULT_ACCOUNT_ID}:global-cluster:gc1"
)
assert global_cluster["Status"] == "available"
assert "Endpoint" in global_cluster
assert global_cluster["Engine"] == "aurora-mysql"
assert "mysql_aurora" in global_cluster["EngineVersion"]
assert global_cluster["StorageEncrypted"] is False
assert global_cluster["DeletionProtection"] is False
assert global_cluster["GlobalClusterMembers"] == []
resp = client.create_db_cluster(
DBClusterIdentifier="dbci",
GlobalClusterIdentifier="gc1",
Engine="mysql",
MasterUsername="masterusername",
MasterUserPassword="hunter2_",
)["DBCluster"]
cluster_arn = resp["DBClusterArn"]
resp = client.describe_global_clusters(GlobalClusterIdentifier="gc1")
assert len(resp["GlobalClusters"]) == 1
global_cluster = resp["GlobalClusters"][0]
assert global_cluster["GlobalClusterIdentifier"] == "gc1"
assert "Endpoint" in global_cluster
assert len(global_cluster["GlobalClusterMembers"]) == 1
assert global_cluster["GlobalClusterMembers"][0]["DBClusterArn"] == cluster_arn
@mock_aws
def test_create_global_cluster_from_regular_cluster():
# WHEN create_db_cluster is called
# AND create_global_cluster is called with SourceDBClusterIdentifier
# set as the earlier created db cluster
# THEN that db cluster is elevated to a global cluster
# AND it still shows up when calling describe_db_clusters
client = boto3.client("rds", "us-east-1")
resp = client.create_db_cluster(
DBClusterIdentifier="dbci",
Engine="mysql",
MasterUsername="masterusername",
MasterUserPassword="hunter2_",
)["DBCluster"]
cluster_arn = resp["DBClusterArn"]
client.create_global_cluster(
GlobalClusterIdentifier="gc1", SourceDBClusterIdentifier=cluster_arn
)
resp = client.describe_global_clusters(GlobalClusterIdentifier="gc1")
assert len(resp["GlobalClusters"]) == 1
global_cluster = resp["GlobalClusters"][0]
assert global_cluster["GlobalClusterIdentifier"] == "gc1"
assert len(global_cluster["GlobalClusterMembers"]) == 1
assert global_cluster["GlobalClusterMembers"][0]["DBClusterArn"] == cluster_arn
@mock_aws
def test_create_global_cluster_from_regular_cluster_with_reader():
east_client = boto3.client("rds", "eu-west-1")
west_client = boto3.client("rds", "eu-west-2")
# Create global cluster
east_client.create_global_cluster(
GlobalClusterIdentifier="test-global-db",
Engine="aurora-mysql",
DeletionProtection=False,
DatabaseName="test-db",
StorageEncrypted=False,
)
east_client.create_db_cluster(
DBClusterIdentifier="test-primary-cluster",
Engine="aurora-mysql",
GlobalClusterIdentifier="test-global-db",
MasterUsername="testUsername",
MasterUserPassword="testPassword",
)
east_client.create_db_instance(
DBInstanceIdentifier="test-primary-cluster-i1",
DBInstanceClass="db.r5.large",
Engine="aurora-mysql",
PubliclyAccessible=False,
DBClusterIdentifier="test-primary-cluster",
)
west_client.create_db_cluster(
DBClusterIdentifier="test-secondary-cluster",
Engine="aurora-mysql",
GlobalClusterIdentifier="test-global-db",
)
resp = east_client.describe_global_clusters(
GlobalClusterIdentifier="test-global-db"
)
members = resp["GlobalClusters"][0]["GlobalClusterMembers"]
assert len(members) == 2
assert (
members[0]["DBClusterArn"]
== "arn:aws:rds:eu-west-1:123456789012:cluster:test-primary-cluster"
)
assert len(members[0]["Readers"]) == 1
assert (
members[0]["Readers"][0]
== "arn:aws:rds:eu-west-2:123456789012:cluster:test-secondary-cluster"
)
assert members[0]["IsWriter"]
assert (
members[1]["DBClusterArn"]
== "arn:aws:rds:eu-west-2:123456789012:cluster:test-secondary-cluster"
)
assert len(members[1]["Readers"]) == 0
assert not members[1]["IsWriter"]
@mock_aws
def test_create_global_cluster_from_regular_cluster__using_name():
client = boto3.client("rds", "us-east-1")
with pytest.raises(ClientError) as exc:
client.create_global_cluster(
GlobalClusterIdentifier="gc1", SourceDBClusterIdentifier="dbci"
)
err = exc.value.response["Error"]
assert err["Code"] == "InvalidParameterValue"
assert err["Message"] == "Malformed db cluster arn dbci"
@mock_aws
def test_create_global_cluster_from_regular_cluster__and_specify_engine():
client = boto3.client("rds", "us-east-1")
resp = client.create_db_cluster(
DBClusterIdentifier="dbci",
Engine="mysql",
MasterUsername="masterusername",
MasterUserPassword="hunter2_",
)["DBCluster"]
cluster_arn = resp["DBClusterArn"]
with pytest.raises(ClientError) as exc:
client.create_global_cluster(
GlobalClusterIdentifier="gc1",
Engine="aurora-mysql",
SourceDBClusterIdentifier=cluster_arn,
)
err = exc.value.response["Error"]
assert err["Code"] == "InvalidParameterCombination"
assert err["Message"] == (
"When creating global cluster from existing db cluster, value for "
"engineName should not be specified since it will be inherited "
"from source cluster"
)
@mock_aws
def test_delete_non_global_cluster():
# WHEN a global cluster contains a regular cluster
# AND we attempt to delete the global cluster
# THEN we get an error message
# An error occurs (InvalidGlobalClusterStateFault) when calling the
# DeleteGlobalCluster operation: Global Cluster
# arn:aws:rds::486285699788:global-cluster:g1 is not empty
client = boto3.client("rds", "us-east-1")
client.create_global_cluster(GlobalClusterIdentifier="gc1", Engine="aurora-mysql")
_ = client.create_db_cluster(
DBClusterIdentifier="dbci",
GlobalClusterIdentifier="gc1",
Engine="mysql",
MasterUsername="masterusername",
MasterUserPassword="hunter2_",
)["DBCluster"]
with pytest.raises(ClientError) as exc:
client.delete_global_cluster(GlobalClusterIdentifier="gc1")
err = exc.value.response["Error"]
assert err["Code"] == "InvalidGlobalClusterStateFault"
assert (
err["Message"]
== f"Global Cluster arn:aws:rds::{DEFAULT_ACCOUNT_ID}:global-cluster:gc1 is not empty"
)
# Delete the child first
client.delete_db_cluster(DBClusterIdentifier="dbci")
# Then we can delete the global cluster
client.delete_global_cluster(GlobalClusterIdentifier="gc1")
assert client.describe_global_clusters()["GlobalClusters"] == []
@mock_aws
def test_remove_from_global_cluster():
client = boto3.client("rds", "us-east-1")
client.create_global_cluster(GlobalClusterIdentifier="gc1", Engine="aurora-mysql")
# Assign to the global cluster
client.create_db_cluster(
DBClusterIdentifier="dbci",
GlobalClusterIdentifier="gc1",
Engine="mysql",
MasterUsername="masterusername",
MasterUserPassword="hunter2_",
)
# Remove it again
client.remove_from_global_cluster(
GlobalClusterIdentifier="gc1",
DbClusterIdentifier="dbci",
)
# Verify it's been removed
resp = client.describe_global_clusters(GlobalClusterIdentifier="gc1")
assert len(resp["GlobalClusters"][0]["GlobalClusterMembers"]) == 0
# Verifying a global cluster that doesn't exist, should fail silently
client.remove_from_global_cluster(
GlobalClusterIdentifier="gc1",
DbClusterIdentifier="dbci",
)
|
