Add serial parameter to cloud drivers

'serial' parameter defines how many hosts Ansible should
manage at a single time.

Change-Id: I363ffda9cebd6533d58c23ba795b702b7431301d
This commit is contained in:
Anton Studenov 2017-04-17 17:48:21 +03:00
parent 03fa8812fc
commit 2fafe5f9b9
7 changed files with 47 additions and 18 deletions

View File

@ -125,7 +125,7 @@ Options = collections.namedtuple(
class AnsibleRunner(object):
def __init__(self, remote_user='root', password=None, forks=100,
jump_host=None, jump_user=None, private_key_file=None,
become=None):
become=None, serial=None):
super(AnsibleRunner, self).__init__()
ssh_common_args = SSH_COMMON_ARGS
@ -146,6 +146,7 @@ class AnsibleRunner(object):
sftp_extra_args=None, scp_extra_args=None,
become=become, become_method='sudo', become_user='root',
verbosity=100, check=False)
self.serial = serial or 10
def _run_play(self, play_source):
host_list = play_source['hosts']
@ -203,9 +204,10 @@ class AnsibleRunner(object):
any of these statuses
:return: execution result, type AnsibleExecutionRecord
"""
LOG.debug('Executing task: %s on hosts: %s', task, hosts)
LOG.debug('Executing task: %s on hosts: %s with serial: %s',
task, hosts, self.serial)
task_play = {'hosts': hosts, 'tasks': [task]}
task_play = {'hosts': hosts, 'tasks': [task], 'serial': self.serial}
result = self.run_playbook([task_play])
log_result = copy.deepcopy(result)

View File

@ -123,6 +123,8 @@ class DevStackManagement(cloud_management.CloudManagement,
- **private_key_file** - path to key file (optional)
- **slaves** - list of ips for additional nodes (optional)
- **iface** - network interface name to retrive mac address (optional)
- **serial** - how many hosts Ansible should manage at a single time.
(optional) default: 10
"""
NAME = 'devstack'
@ -214,6 +216,7 @@ class DevStackManagement(cloud_management.CloudManagement,
'items': {'type': 'string'},
},
'iface': {'type': 'string'},
'serial': {'type': 'integer', 'minimum': 1},
},
'required': ['address', 'username'],
'additionalProperties': False,
@ -228,11 +231,12 @@ class DevStackManagement(cloud_management.CloudManagement,
self.private_key_file = cloud_management_params.get('private_key_file')
self.slaves = cloud_management_params.get('slaves', [])
self.iface = cloud_management_params.get('iface', 'eth0')
self.serial = cloud_management_params.get('serial')
self.cloud_executor = executor.AnsibleRunner(
remote_user=self.username, private_key_file=self.private_key_file,
password=cloud_management_params.get('password'),
become=False)
become=False, serial=self.serial)
self.hosts = [self.address]
if self.slaves:

View File

@ -187,6 +187,8 @@ class FuelManagement(cloud_management.CloudManagement,
- **private_key_file** - path to key file (optional)
- **slave_direct_ssh** - if *False* then fuel master is used as ssh proxy
(optional)
- **serial** - how many hosts Ansible should manage at a single time.
(optional) default: 10
"""
NAME = 'fuel'
@ -501,6 +503,7 @@ class FuelManagement(cloud_management.CloudManagement,
'username': {'type': 'string'},
'private_key_file': {'type': 'string'},
'slave_direct_ssh': {'type': 'boolean'},
'serial': {'type': 'integer', 'minimum': 1},
},
'required': ['address', 'username'],
'additionalProperties': False,
@ -515,6 +518,7 @@ class FuelManagement(cloud_management.CloudManagement,
self.private_key_file = cloud_management_params.get('private_key_file')
self.slave_direct_ssh = cloud_management_params.get(
'slave_direct_ssh', False)
self.serial = cloud_management_params.get('serial')
self.master_node_executor = executor.AnsibleRunner(
remote_user=self.username, private_key_file=self.private_key_file)
@ -525,7 +529,7 @@ class FuelManagement(cloud_management.CloudManagement,
self.cloud_executor = executor.AnsibleRunner(
remote_user=self.username, private_key_file=self.private_key_file,
jump_host=jump_host)
jump_host=jump_host, serial=self.serial)
self.cached_cloud_hosts = list()

View File

@ -128,6 +128,8 @@ class TCPCloudManagement(cloud_management.CloudManagement,
- **slave_direct_ssh** - if *False* then salt master is used as ssh proxy
(optional)
- **get_ips_cmd** - salt command to get IPs of minions (optional)
- **serial** - how many hosts Ansible should manage at a single time.
(optional) default: 10
"""
NAME = 'tcpcloud'
@ -363,6 +365,7 @@ class TCPCloudManagement(cloud_management.CloudManagement,
'slave_name_regexp': {'type': 'string'},
'slave_direct_ssh': {'type': 'boolean'},
'get_ips_cmd': {'type': 'string'},
'serial': {'type': 'integer', 'minimum': 1},
},
'required': ['address', 'username'],
'additionalProperties': False,
@ -382,6 +385,7 @@ class TCPCloudManagement(cloud_management.CloudManagement,
use_jump = not self.slave_direct_ssh
self.get_ips_cmd = cloud_management_params.get(
'get_ips_cmd', 'pillar.get _param:single_address')
self.serial = cloud_management_params.get('serial')
password = cloud_management_params.get('password')
self.master_node_executor = executor.AnsibleRunner(
@ -396,7 +400,8 @@ class TCPCloudManagement(cloud_management.CloudManagement,
private_key_file=self.private_key_file,
jump_host=self.master_node_address if use_jump else None,
jump_user=self.username if use_jump else None,
become=cloud_management_params.get('slave_sudo'))
become=cloud_management_params.get('slave_sudo'),
serial=self.serial)
# get all nodes except salt master (that has cfg* hostname) by default
self.slave_name_regexp = cloud_management_params.get(

View File

@ -215,7 +215,19 @@ class AnsibleRunnerTestCase(test.TestCase):
ex.execute(my_hosts, my_tasks)
mock_run_playbook.assert_called_once_with(
[{'tasks': ['my_task'],
'hosts': ['0.0.0.0', '255.255.255.255']}])
'hosts': ['0.0.0.0', '255.255.255.255'],
'serial': 10}])
@mock.patch('os_faults.ansible.executor.AnsibleRunner.run_playbook')
def test_execute_with_serial(self, mock_run_playbook):
my_hosts = ['0.0.0.0', '255.255.255.255']
my_tasks = 'my_task'
ex = executor.AnsibleRunner(serial=50)
ex.execute(my_hosts, my_tasks)
mock_run_playbook.assert_called_once_with(
[{'tasks': ['my_task'],
'hosts': ['0.0.0.0', '255.255.255.255'],
'serial': 50}])
@mock.patch('os_faults.ansible.executor.AnsibleRunner.run_playbook')
def test_execute_status_unreachable(self, mock_run_playbook):
@ -290,7 +302,8 @@ class AnsibleRunnerTestCase(test.TestCase):
ex.execute([host], task)
mock_debug.assert_has_calls((
mock.call('Executing task: %s on hosts: %s', task, [host]),
mock.call('Executing task: %s on hosts: %s with serial: %s',
task, [host], 10),
mock.call('Execution completed with 1 result(s):'),
mock.call(result),
))

View File

@ -39,12 +39,13 @@ class FuelManagementTestCase(test.TestCase):
dict(address='fuel.local', username='root'),
(mock.call(private_key_file=None, remote_user='root'),
mock.call(private_key_file=None, remote_user='root',
jump_host='fuel.local'))
jump_host='fuel.local', serial=None))
), (
dict(address='fuel.local', username='root', slave_direct_ssh=True),
dict(address='fuel.local', username='root', slave_direct_ssh=True,
serial=42),
(mock.call(private_key_file=None, remote_user='root'),
mock.call(private_key_file=None, remote_user='root',
jump_host=None))
jump_host=None, serial=42))
))
@ddt.unpack
def test_init(self, config, expected_runner_calls, mock_ansible_runner):

View File

@ -71,7 +71,7 @@ class TCPCloudManagementTestCase(test.TestCase):
password=None),
mock.call(become=None, jump_host='tcp.local', jump_user='root',
private_key_file=None, remote_user='root',
password=None))
password=None, serial=None))
), (
dict(address='tcp.local', username='ubuntu',
slave_username='root', master_sudo=True,
@ -80,7 +80,7 @@ class TCPCloudManagementTestCase(test.TestCase):
remote_user='ubuntu', password=None),
mock.call(become=None, jump_host='tcp.local', jump_user='ubuntu',
private_key_file='/path/id_rsa', remote_user='root',
password=None))
password=None, serial=None))
), (
dict(address='tcp.local', username='ubuntu',
slave_username='root', slave_sudo=True,
@ -89,7 +89,7 @@ class TCPCloudManagementTestCase(test.TestCase):
remote_user='ubuntu', password=None),
mock.call(become=True, jump_host='tcp.local', jump_user='ubuntu',
private_key_file='/path/id_rsa', remote_user='root',
password=None))
password=None, serial=None))
), (
dict(address='tcp.local', username='ubuntu',
slave_username='root', slave_sudo=True,
@ -99,22 +99,22 @@ class TCPCloudManagementTestCase(test.TestCase):
remote_user='ubuntu', password=None),
mock.call(become=True, jump_host=None, jump_user=None,
private_key_file='/path/id_rsa', remote_user='root',
password=None))
password=None, serial=None))
), (
dict(address='tcp.local', username='root', password='root_pass'),
(mock.call(become=None, private_key_file=None, remote_user='root',
password='root_pass'),
mock.call(become=None, jump_host='tcp.local', jump_user='root',
private_key_file=None, remote_user='root',
password='root_pass'))
password='root_pass', serial=None))
), (
dict(address='tcp.local', username='root',
slave_password='slave_pass'),
slave_password='slave_pass', serial=42),
(mock.call(become=None, private_key_file=None, remote_user='root',
password=None),
mock.call(become=None, jump_host='tcp.local', jump_user='root',
private_key_file=None, remote_user='root',
password='slave_pass'))
password='slave_pass', serial=42))
))
@ddt.unpack
def test_init(self, config, expected_runner_calls, mock_ansible_runner):