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import copy
import docker
import pytest
from ..helpers import force_leave_swarm, requires_api_version
from .base import BaseAPIIntegrationTest
class SwarmTest(BaseAPIIntegrationTest):
def setUp(self):
super().setUp()
force_leave_swarm(self.client)
self._unlock_key = None
def tearDown(self):
try:
if self._unlock_key:
self.client.unlock_swarm(self._unlock_key)
except docker.errors.APIError:
pass
force_leave_swarm(self.client)
super().tearDown()
@requires_api_version('1.24')
def test_init_swarm_simple(self):
assert self.init_swarm()
@requires_api_version('1.24')
def test_init_swarm_force_new_cluster(self):
pytest.skip('Test stalls the engine on 1.12.0')
assert self.init_swarm()
version_1 = self.client.inspect_swarm()['Version']['Index']
assert self.client.init_swarm(force_new_cluster=True)
version_2 = self.client.inspect_swarm()['Version']['Index']
assert version_2 != version_1
@requires_api_version('1.39')
def test_init_swarm_custom_addr_pool_defaults(self):
assert self.init_swarm()
results = self.client.inspect_swarm()
assert set(results['DefaultAddrPool']) == {'10.0.0.0/8'}
assert results['SubnetSize'] == 24
@requires_api_version('1.39')
def test_init_swarm_custom_addr_pool_only_pool(self):
assert self.init_swarm(default_addr_pool=['2.0.0.0/16'])
results = self.client.inspect_swarm()
assert set(results['DefaultAddrPool']) == {'2.0.0.0/16'}
assert results['SubnetSize'] == 24
@requires_api_version('1.39')
def test_init_swarm_custom_addr_pool_only_subnet_size(self):
assert self.init_swarm(subnet_size=26)
results = self.client.inspect_swarm()
assert set(results['DefaultAddrPool']) == {'10.0.0.0/8'}
assert results['SubnetSize'] == 26
@requires_api_version('1.39')
def test_init_swarm_custom_addr_pool_both_args(self):
assert self.init_swarm(default_addr_pool=['2.0.0.0/16', '3.0.0.0/16'],
subnet_size=28)
results = self.client.inspect_swarm()
assert set(results['DefaultAddrPool']) == {'2.0.0.0/16', '3.0.0.0/16'}
assert results['SubnetSize'] == 28
@requires_api_version('1.24')
def test_init_already_in_cluster(self):
assert self.init_swarm()
with pytest.raises(docker.errors.APIError):
self.init_swarm()
@requires_api_version('1.24')
def test_init_swarm_custom_raft_spec(self):
spec = self.client.create_swarm_spec(
snapshot_interval=5000, log_entries_for_slow_followers=1200
)
assert self.init_swarm(swarm_spec=spec)
swarm_info = self.client.inspect_swarm()
assert swarm_info['Spec']['Raft']['SnapshotInterval'] == 5000
assert swarm_info['Spec']['Raft']['LogEntriesForSlowFollowers'] == 1200
@requires_api_version('1.30')
def test_init_swarm_with_ca_config(self):
spec = self.client.create_swarm_spec(
node_cert_expiry=7776000000000000, ca_force_rotate=6000000000000
)
assert self.init_swarm(swarm_spec=spec)
swarm_info = self.client.inspect_swarm()
assert swarm_info['Spec']['CAConfig']['NodeCertExpiry'] == (
spec['CAConfig']['NodeCertExpiry']
)
assert swarm_info['Spec']['CAConfig']['ForceRotate'] == (
spec['CAConfig']['ForceRotate']
)
@requires_api_version('1.25')
def test_init_swarm_with_autolock_managers(self):
spec = self.client.create_swarm_spec(autolock_managers=True)
assert self.init_swarm(swarm_spec=spec)
# save unlock key for tearDown
self._unlock_key = self.client.get_unlock_key()
swarm_info = self.client.inspect_swarm()
assert (
swarm_info['Spec']['EncryptionConfig']['AutoLockManagers'] is True
)
assert self._unlock_key.get('UnlockKey')
@requires_api_version('1.25')
@pytest.mark.xfail(
reason="This doesn't seem to be taken into account by the engine"
)
def test_init_swarm_with_log_driver(self):
spec = {'TaskDefaults': {'LogDriver': {'Name': 'syslog'}}}
assert self.init_swarm(swarm_spec=spec)
swarm_info = self.client.inspect_swarm()
assert swarm_info['Spec']['TaskDefaults']['LogDriver']['Name'] == (
'syslog'
)
@requires_api_version('1.24')
def test_leave_swarm(self):
assert self.init_swarm()
with pytest.raises(docker.errors.APIError) as exc_info:
self.client.leave_swarm()
exc_info.value.response.status_code == 500
assert self.client.leave_swarm(force=True)
with pytest.raises(docker.errors.APIError) as exc_info:
self.client.inspect_swarm()
exc_info.value.response.status_code == 406
assert self.client.leave_swarm(force=True)
@requires_api_version('1.24')
def test_update_swarm(self):
assert self.init_swarm()
swarm_info_1 = self.client.inspect_swarm()
spec = self.client.create_swarm_spec(
snapshot_interval=5000, log_entries_for_slow_followers=1200,
node_cert_expiry=7776000000000000
)
assert self.client.update_swarm(
version=swarm_info_1['Version']['Index'],
swarm_spec=spec, rotate_worker_token=True
)
swarm_info_2 = self.client.inspect_swarm()
assert (
swarm_info_1['Version']['Index'] !=
swarm_info_2['Version']['Index']
)
assert swarm_info_2['Spec']['Raft']['SnapshotInterval'] == 5000
assert (
swarm_info_2['Spec']['Raft']['LogEntriesForSlowFollowers'] == 1200
)
assert (
swarm_info_1['JoinTokens']['Manager'] ==
swarm_info_2['JoinTokens']['Manager']
)
assert (
swarm_info_1['JoinTokens']['Worker'] !=
swarm_info_2['JoinTokens']['Worker']
)
@requires_api_version('1.24')
def test_list_nodes(self):
assert self.init_swarm()
nodes_list = self.client.nodes()
assert len(nodes_list) == 1
node = nodes_list[0]
assert 'ID' in node
assert 'Spec' in node
assert node['Spec']['Role'] == 'manager'
filtered_list = self.client.nodes(filters={
'id': node['ID']
})
assert len(filtered_list) == 1
filtered_list = self.client.nodes(filters={
'role': 'worker'
})
assert len(filtered_list) == 0
@requires_api_version('1.24')
def test_inspect_node(self):
node_id = self.init_swarm()
assert node_id
nodes_list = self.client.nodes()
assert len(nodes_list) == 1
node = nodes_list[0]
node_data = self.client.inspect_node(node['ID'])
assert node['ID'] == node_data['ID']
assert node_id == node['ID']
assert node['Version'] == node_data['Version']
@requires_api_version('1.24')
def test_update_node(self):
assert self.init_swarm()
nodes_list = self.client.nodes()
node = nodes_list[0]
orig_spec = node['Spec']
# add a new label
new_spec = copy.deepcopy(orig_spec)
new_spec['Labels'] = {'new.label': 'new value'}
self.client.update_node(node_id=node['ID'],
version=node['Version']['Index'],
node_spec=new_spec)
updated_node = self.client.inspect_node(node['ID'])
assert new_spec == updated_node['Spec']
# Revert the changes
self.client.update_node(node_id=node['ID'],
version=updated_node['Version']['Index'],
node_spec=orig_spec)
reverted_node = self.client.inspect_node(node['ID'])
assert orig_spec == reverted_node['Spec']
@requires_api_version('1.24')
def test_remove_main_node(self):
assert self.init_swarm()
nodes_list = self.client.nodes()
node_id = nodes_list[0]['ID']
with pytest.raises(docker.errors.NotFound):
self.client.remove_node('foobar01')
with pytest.raises(docker.errors.APIError) as e:
self.client.remove_node(node_id)
assert e.value.response.status_code >= 400
with pytest.raises(docker.errors.APIError) as e:
self.client.remove_node(node_id, True)
assert e.value.response.status_code >= 400
@requires_api_version('1.25')
def test_rotate_manager_unlock_key(self):
spec = self.client.create_swarm_spec(autolock_managers=True)
assert self.init_swarm(swarm_spec=spec)
swarm_info = self.client.inspect_swarm()
key_1 = self.client.get_unlock_key()
assert self.client.update_swarm(
version=swarm_info['Version']['Index'],
rotate_manager_unlock_key=True
)
key_2 = self.client.get_unlock_key()
assert key_1['UnlockKey'] != key_2['UnlockKey']
@requires_api_version('1.30')
@pytest.mark.xfail(reason='Can fail if eth0 has multiple IP addresses')
def test_init_swarm_data_path_addr(self):
assert self.init_swarm(data_path_addr='eth0')
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