def test_resolve_address():
def execute_module(module_name, args, *_):
if module_name != 'command':
raise ValueError('not expecting module %s' % module_name)
command_args = args['_raw_params'].split()
if command_args[0] != '/bin/getent':
raise ValueError('not expecting command: %s' % args.raw_params)
# The expected command_args is ['/bin/getent', 'ahostsv4', 'foo'].
if command_args[2] == 'foo':
return {
'rc': 0,
'stdout': '''1.2.3.4 STREAM bar
1.2.3.4 DGRAM
1.2.3.4 RAW
'''
}
return {'rc': 2}
check = SDNCheck(execute_module, None)
assert check.resolve_address('foo') == '1.2.3.4'
with pytest.raises(OpenShiftCheckException):
check.resolve_address('baz')
def test_resolve_address():
def execute_module(module_name, args, *_):
if module_name != 'command':
raise ValueError('not expecting module %s' % module_name)
command_args = args['_raw_params'].split()
if command_args[0] != '/bin/getent':
raise ValueError('not expecting command: %s' % args.raw_params)
# The expected command_args is ['/bin/getent', 'ahostsv4', 'foo'].
if command_args[2] == 'foo':
return {
'rc': 0,
'stdout': '''1.2.3.4 STREAM bar
1.2.3.4 DGRAM
1.2.3.4 RAW
'''
}
return {'rc': 2}
check = SDNCheck(execute_module, None)
assert check.resolve_address('foo') == '1.2.3.4'
with pytest.raises(OpenShiftCheckException):
check.resolve_address('baz')
def test_check_nodes_missing_node_name():
task_vars = dict(group_names=['oo_nodes_to_config'], )
check = SDNCheck(fake_execute_module, task_vars)
check.run()
assert 1 == len(check.failures)
assert 'Could not determine node name' in str(check.failures[0])
def test_check_nodes_missing_node_name():
task_vars = dict(
group_names=['oo_nodes_to_config'],
)
check = SDNCheck(fake_execute_module, task_vars)
check.run()
assert 1 == len(check.failures)
assert 'Could not determine node name' in str(check.failures[0])
def test_no_nodes():
task_vars = dict(
group_names=['oo_masters_to_config'],
resources=dict(results=[
dict(item='nodes', results=dict(results=[dict(items={})])),
dict(item='pods', results=dict(results=[dict(items={})])),
dict(item='services', results=dict(results=[dict(items={})]))
]))
check = SDNCheck(fake_execute_module, task_vars)
check.run()
assert 1 == len(check.failures)
assert 'No nodes' in str(check.failures[0])
def test_no_nodes():
task_vars = dict(
group_names=['oo_masters_to_config'],
resources=dict(results=[
dict(item='nodes', results=dict(results=[dict(items={})])),
dict(item='pods', results=dict(results=[dict(items={})])),
dict(item='services', results=dict(results=[dict(items={})]))
])
)
check = SDNCheck(fake_execute_module, task_vars)
check.run()
assert 1 == len(check.failures)
assert 'No nodes' in str(check.failures[0])
def test_check_master():
nodes = [
{
'apiVersion': 'v1',
'kind': 'Node',
'metadata': {
'annotations': {'kubernetes.io/hostname': 'node1'},
'name': 'ip-172-31-50-1.ec2.internal'
},
'status': {
'addresses': [
{'address': '172.31.50.1', 'type': 'InternalIP'},
{'address': '52.0.0.1', 'type': 'ExternalIP'},
{
'address': 'ip-172-31-50-1.ec2.internal',
'type': 'Hostname'
}
]
}
},
{
'apiVersion': 'v1',
'kind': 'Node',
'metadata': {'name': 'ip-172-31-50-2.ec2.internal'},
'status': {
'addresses': [
{'address': '172.31.50.2', 'type': 'InternalIP'},
{'address': '52.0.0.2', 'type': 'ExternalIP'},
{
'address': 'ip-172-31-50-2.ec2.internal',
'type': 'Hostname'
}
]
}
}
]
task_vars = dict(
group_names=['oo_masters_to_config'],
resources=dict(results=[
dict(item='nodes', results=dict(results=[dict(items=nodes)])),
dict(item='pods', results=dict(results=[dict(items={})])),
dict(item='services', results=dict(results=[dict(items={})]))
])
)
node_addresses = {
node['metadata']['name']: {
address['type']: address['address']
for address
in node['status']['addresses']
}
for node in nodes
}
expected_hostnames = [addresses['Hostname']
for addresses in node_addresses.values()]
uri_hostnames = []
resolve_address_hostnames = []
def execute_module(module_name, args, *_):
if module_name == 'uri':
for hostname in expected_hostnames:
if hostname in args['url']:
uri_hostnames.append(hostname)
return {}
raise ValueError('unexpected url: %s' % args['url'])
raise ValueError('not expecting module %s' % module_name)
def resolve_address(address):
for hostname in expected_hostnames:
if address == hostname:
resolve_address_hostnames.append(hostname)
return node_addresses[hostname]['InternalIP']
raise ValueError('unexpected address: %s' % hostname)
check = SDNCheck(execute_module, task_vars)
check.resolve_address = resolve_address
check.run()
assert 0 == len(check.failures)
assert set(expected_hostnames) == set(uri_hostnames), 'should try to connect to the kubelet'
assert set(expected_hostnames) == set(resolve_address_hostnames), 'should try to resolve the node\'s address'
def test_sdn_skip_when_not_master_nor_node(group_names, expected):
task_vars = dict(
group_names=group_names,
openshift_is_atomic=True,
)
assert SDNCheck(None, task_vars).is_active() == expected
def test_check_master():
nodes = [
{
'apiVersion': 'v1',
'kind': 'Node',
'metadata': {
'annotations': {'kubernetes.io/hostname': 'node1'},
'name': 'ip-172-31-50-1.ec2.internal'
},
'status': {
'addresses': [
{'address': '172.31.50.1', 'type': 'InternalIP'},
{'address': '52.0.0.1', 'type': 'ExternalIP'},
{
'address': 'ip-172-31-50-1.ec2.internal',
'type': 'Hostname'
}
]
}
},
{
'apiVersion': 'v1',
'kind': 'Node',
'metadata': {'name': 'ip-172-31-50-2.ec2.internal'},
'status': {
'addresses': [
{'address': '172.31.50.2', 'type': 'InternalIP'},
{'address': '52.0.0.2', 'type': 'ExternalIP'},
{
'address': 'ip-172-31-50-2.ec2.internal',
'type': 'Hostname'
}
]
}
}
]
task_vars = dict(
group_names=['oo_masters_to_config'],
resources=dict(results=[
dict(item='nodes', results=dict(results=[dict(items=nodes)])),
dict(item='pods', results=dict(results=[dict(items={})])),
dict(item='services', results=dict(results=[dict(items={})]))
])
)
node_addresses = {
node['metadata']['name']: {
address['type']: address['address']
for address
in node['status']['addresses']
}
for node in nodes
}
expected_hostnames = [addresses['Hostname']
for addresses in node_addresses.values()]
uri_hostnames = []
resolve_address_hostnames = []
def execute_module(module_name, args, *_):
if module_name == 'uri':
for hostname in expected_hostnames:
if hostname in args['url']:
uri_hostnames.append(hostname)
return {}
raise ValueError('unexpected url: %s' % args['url'])
raise ValueError('not expecting module %s' % module_name)
def resolve_address(address):
for hostname in expected_hostnames:
if address == hostname:
resolve_address_hostnames.append(hostname)
return node_addresses[hostname]['InternalIP']
raise ValueError('unexpected address: %s' % hostname)
check = SDNCheck(execute_module, task_vars)
check.resolve_address = resolve_address
check.run()
assert 0 == len(check.failures)
assert set(expected_hostnames) == set(uri_hostnames), 'should try to connect to the kubelet'
assert set(expected_hostnames) == set(resolve_address_hostnames), 'should try to resolve the node\'s address'
def test_check_nodes():
nodes = [
{
'apiVersion': 'v1',
'kind': 'Node',
'metadata': {
'annotations': {'kubernetes.io/hostname': 'node1'},
'name': 'ip-172-31-50-1.ec2.internal'
},
'status': {
'addresses': [
{'address': '172.31.50.1', 'type': 'InternalIP'},
{'address': '52.0.0.1', 'type': 'ExternalIP'},
{
'address': 'ip-172-31-50-1.ec2.internal',
'type': 'Hostname'
}
]
}
},
{
'apiVersion': 'v1',
'kind': 'Node',
'metadata': {'name': 'ip-172-31-50-2.ec2.internal'},
'status': {
'addresses': [
{'address': '172.31.50.2', 'type': 'InternalIP'},
{'address': '52.0.0.2', 'type': 'ExternalIP'},
{
'address': 'ip-172-31-50-2.ec2.internal',
'type': 'Hostname'
}
]
}
}
]
hostsubnets = [
{
'metadata': {
'name': 'ip-172-31-50-1.ec2.internal'
},
'subnet': '10.128.0.1/23'
},
{
'metadata': {
'name': 'ip-172-31-50-2.ec2.internal'
},
'subnet': '10.129.0.1/23'
}
]
task_vars = dict(
group_names=['oo_nodes_to_config'],
resources=dict(results=[
dict(item='nodes', results=dict(results=[dict(items=nodes)])),
dict(item='hostsubnets', results=dict(results=[dict(items=hostsubnets)]))
]),
openshift=dict(node=dict(nodename='foo'))
)
def execute_module(module_name, args, *_):
if module_name == 'command':
return dict(stdout='bogus_container_id')
raise ValueError('not expecting module %s' % module_name)
SDNCheck(execute_module, task_vars).run()