def test_initctl_version_says_something_else(self, monkeypatch):
fake_conn = Mock()
fake_conn.remote_module.grep = Mock(return_value=False)
fake_conn.remote_module.which = Mock(return_value="/bin/initctl")
fake_stdout = ([b"nosh", b"version", b"1.14"], [], 0)
fake_check = Mock(return_value=fake_stdout)
monkeypatch.setattr("ceph_deploy.util.system.remoto.process.check", lambda *a: fake_check())
result = system.is_upstart(fake_conn)
assert result is False
def test_initctl_version_says_upstart(self, monkeypatch):
fake_conn = Mock()
fake_conn.remote_module.grep = Mock(return_value=False)
fake_conn.remote_module.which = Mock(return_value='/bin/initctl')
fake_stdout = (['init', '(upstart 1.12.1)'], [], 0)
fake_check = Mock(return_value=fake_stdout)
monkeypatch.setattr("ceph_deploy.util.system.remoto.process.check", lambda *a: fake_check())
result = system.is_upstart(fake_conn)
assert result is True
def test_initctl_version_says_something_else(self, monkeypatch):
fake_conn = Mock()
fake_conn.remote_module.grep = Mock(return_value=False)
fake_conn.remote_module.which = Mock(return_value='/bin/initctl')
fake_stdout = (['nosh', 'version', '1.14'], [], 0)
fake_check = Mock(return_value=fake_stdout)
monkeypatch.setattr("ceph_deploy.util.system.remoto.process.check",
lambda *a: fake_check())
result = system.is_upstart(fake_conn)
assert result is False
def choose_init(module):
"""
Select a init system
Returns the name of a init system (upstart, sysvinit ...).
"""
if is_systemd(module.conn) or module.conn.remote_module.path_exists(
"/lib/systemd/system/ceph.target"):
return 'systemd'
if is_upstart(module.conn):
return 'upstart'
return 'sysvinit'
def choose_init(module):
"""
Select a init system
Returns the name of a init system (upstart, sysvinit ...).
"""
# Upstart checks first because when installing ceph, the
# `/lib/systemd/system/ceph.target` file may be created, fooling this
# detection mechanism.
if is_upstart(module.conn):
return 'upstart'
if is_systemd(module.conn) or module.conn.remote_module.path_exists(
"/lib/systemd/system/ceph.target"):
return 'systemd'
return 'sysvinit'
def test_no_initctl(self):
fake_conn = Mock()
fake_conn.remote_module.grep = Mock(return_value=False)
fake_conn.remote_module.which = Mock(return_value=None)
result = system.is_upstart(fake_conn)
assert result is False
def test_it_is_actually_systemd(self):
fake_conn = Mock()
fake_conn.remote_module.grep = Mock(return_value=True)
result = system.is_upstart(fake_conn)
assert result is False
def destroy_mon(conn, cluster, hostname):
import datetime
import time
retries = 5
# mon的目录，比如/var/lib/ceph/mon/ceph-node1
path = paths.mon.path(cluster, hostname)
if conn.remote_module.path_exists(path):
# remove from cluster
# 从集群中删除mon
remoto.process.run(
conn,
[
'ceph',
'--cluster={cluster}'.format(cluster=cluster),
'-n', 'mon.',
'-k', '{path}/keyring'.format(path=path),
'mon',
'remove',
hostname,
],
timeout=7,
)
# stop
if conn.remote_module.path_exists(os.path.join(path, 'upstart')) or system.is_upstart(conn):
status_args = [
'initctl',
'status',
'ceph-mon',
'cluster={cluster}'.format(cluster=cluster),
'id={hostname}'.format(hostname=hostname),
]
elif conn.remote_module.path_exists(os.path.join(path, 'sysvinit')):
status_args = [
'service',
'ceph',
'status',
'mon.{hostname}'.format(hostname=hostname),
]
elif system.is_systemd(conn):
# 停止mon服务
status_args = [
'systemctl',
'stop',
'ceph-mon@{hostname}.service'.format(hostname=hostname),
]
else:
raise RuntimeError('could not detect a supported init system, cannot continue')
while retries:
conn.logger.info('polling the daemon to verify it stopped')
if is_running(conn, status_args):
time.sleep(5)
retries -= 1
if retries <= 0:
raise RuntimeError('ceph-mon deamon did not stop')
else:
break
# archive old monitor directory
fn = '{cluster}-{hostname}-{stamp}'.format(
hostname=hostname,
cluster=cluster,
stamp=datetime.datetime.utcnow().strftime("%Y-%m-%dZ%H:%M:%S"),
)
# 创建/var/lib/ceph/mon-removed目录
remoto.process.run(
conn,
[
'mkdir',
'-p',
'/var/lib/ceph/mon-removed',
],
)
# 将mon数据文件移动到/var/lib/ceph/mon-removed目录归档文件
conn.remote_module.make_mon_removed_dir(path, fn)
def destroy_mon(conn, cluster, hostname):
import datetime
import time
retries = 5
path = paths.mon.path(cluster, hostname)
if conn.remote_module.path_exists(path):
# remove from cluster
remoto.process.run(
conn,
[
'ceph',
'--cluster={cluster}'.format(cluster=cluster),
'-n', 'mon.',
'-k', '{path}/keyring'.format(path=path),
'mon',
'remove',
hostname,
],
timeout=7,
)
# stop
if conn.remote_module.path_exists(os.path.join(path, 'upstart')) or system.is_upstart(conn):
status_args = [
'initctl',
'status',
'ceph-mon',
'cluster={cluster}'.format(cluster=cluster),
'id={hostname}'.format(hostname=hostname),
]
elif conn.remote_module.path_exists(os.path.join(path, 'sysvinit')):
status_args = [
'service',
'ceph',
'status',
'mon.{hostname}'.format(hostname=hostname),
]
elif system.is_systemd(conn):
status_args = [
'systemctl',
'stop',
'ceph-mon@{hostname}.service'.format(hostname=hostname),
]
else:
raise RuntimeError('could not detect a supported init system, cannot continue')
while retries:
conn.logger.info('polling the daemon to verify it stopped')
if is_running(conn, status_args):
time.sleep(5)
retries -= 1
if retries <= 0:
raise RuntimeError('ceph-mon deamon did not stop')
else:
break
# archive old monitor directory
fn = '{cluster}-{hostname}-{stamp}'.format(
hostname=hostname,
cluster=cluster,
stamp=datetime.datetime.utcnow().strftime("%Y-%m-%dZ%H:%M:%S"),
)
remoto.process.run(
conn,
[
'mkdir',
'-p',
'/var/lib/ceph/mon-removed',
],
)
conn.remote_module.make_mon_removed_dir(path, fn)
def test_no_initctl(self):
fake_conn = Mock()
fake_conn.remote_module.grep = Mock(return_value=False)
fake_conn.remote_module.which = Mock(return_value=None)
result = system.is_upstart(fake_conn)
assert result is False
def test_it_is_actually_systemd(self):
fake_conn = Mock()
fake_conn.remote_module.grep = Mock(return_value=True)
result = system.is_upstart(fake_conn)
assert result is False