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|
import errno
import json
import logging
import re
import socket
import time
from abc import ABCMeta, abstractmethod
from typing import TYPE_CHECKING, List, Callable, TypeVar, \
Optional, Dict, Any, Tuple, NewType, cast
from mgr_module import HandleCommandResult, MonCommandFailed
from ceph.deployment.service_spec import (
ArgumentList,
CephExporterSpec,
GeneralArgList,
MONSpec,
RGWSpec,
ServiceSpec,
)
from ceph.deployment.utils import is_ipv6, unwrap_ipv6
from mgr_util import build_url, merge_dicts
from orchestrator import OrchestratorError, DaemonDescription, DaemonDescriptionStatus
from orchestrator._interface import daemon_type_to_service
from cephadm import utils
if TYPE_CHECKING:
from cephadm.module import CephadmOrchestrator
logger = logging.getLogger(__name__)
ServiceSpecs = TypeVar('ServiceSpecs', bound=ServiceSpec)
AuthEntity = NewType('AuthEntity', str)
def get_auth_entity(daemon_type: str, daemon_id: str, host: str = "") -> AuthEntity:
"""
Map the daemon id to a cephx keyring entity name
"""
# despite this mapping entity names to daemons, self.TYPE within
# the CephService class refers to service types, not daemon types
if daemon_type in ['rgw', 'rbd-mirror', 'cephfs-mirror', 'nfs', "iscsi", 'nvmeof', 'ingress', 'ceph-exporter']:
return AuthEntity(f'client.{daemon_type}.{daemon_id}')
elif daemon_type in ['crash', 'agent', 'node-proxy']:
if host == "":
raise OrchestratorError(
f'Host not provided to generate <{daemon_type}> auth entity name')
return AuthEntity(f'client.{daemon_type}.{host}')
elif daemon_type == 'mon':
return AuthEntity('mon.')
elif daemon_type in ['mgr', 'osd', 'mds']:
return AuthEntity(f'{daemon_type}.{daemon_id}')
else:
raise OrchestratorError(f"unknown daemon type {daemon_type}")
class CephadmDaemonDeploySpec:
# typing.NamedTuple + Generic is broken in py36
def __init__(self, host: str, daemon_id: str,
service_name: str,
network: Optional[str] = None,
keyring: Optional[str] = None,
extra_args: Optional[List[str]] = None,
ceph_conf: str = '',
extra_files: Optional[Dict[str, Any]] = None,
daemon_type: Optional[str] = None,
ip: Optional[str] = None,
ports: Optional[List[int]] = None,
port_ips: Optional[Dict[str, str]] = None,
rank: Optional[int] = None,
rank_generation: Optional[int] = None,
extra_container_args: Optional[ArgumentList] = None,
extra_entrypoint_args: Optional[ArgumentList] = None,
):
"""
A data struction to encapsulate `cephadm deploy ...
"""
self.host: str = host
self.daemon_id = daemon_id
self.service_name = service_name
daemon_type = daemon_type or (service_name.split('.')[0])
assert daemon_type is not None
self.daemon_type: str = daemon_type
# mons
self.network = network
# for run_cephadm.
self.keyring: Optional[str] = keyring
# FIXME: finish removing this
# For run_cephadm. Would be great to have more expressive names.
# self.extra_args: List[str] = extra_args or []
assert not extra_args
self.ceph_conf = ceph_conf
self.extra_files = extra_files or {}
# TCP ports used by the daemon
self.ports: List[int] = ports or []
# mapping of ports to IP addresses for ports
# we know we will only bind to on a specific IP.
# Useful for allowing multiple daemons to bind
# to the same port on different IPs on the same node
self.port_ips: Dict[str, str] = port_ips or {}
self.ip: Optional[str] = ip
# values to be populated during generate_config calls
# and then used in _run_cephadm
self.final_config: Dict[str, Any] = {}
self.deps: List[str] = []
self.rank: Optional[int] = rank
self.rank_generation: Optional[int] = rank_generation
self.extra_container_args = extra_container_args
self.extra_entrypoint_args = extra_entrypoint_args
def name(self) -> str:
return '%s.%s' % (self.daemon_type, self.daemon_id)
def entity_name(self) -> str:
return get_auth_entity(self.daemon_type, self.daemon_id, host=self.host)
def config_get_files(self) -> Dict[str, Any]:
files = self.extra_files
if self.ceph_conf:
files['config'] = self.ceph_conf
return files
@staticmethod
def from_daemon_description(dd: DaemonDescription) -> 'CephadmDaemonDeploySpec':
assert dd.hostname
assert dd.daemon_id
assert dd.daemon_type
return CephadmDaemonDeploySpec(
host=dd.hostname,
daemon_id=dd.daemon_id,
daemon_type=dd.daemon_type,
service_name=dd.service_name(),
ip=dd.ip,
ports=dd.ports,
rank=dd.rank,
rank_generation=dd.rank_generation,
extra_container_args=dd.extra_container_args,
extra_entrypoint_args=dd.extra_entrypoint_args,
)
def to_daemon_description(self, status: DaemonDescriptionStatus, status_desc: str) -> DaemonDescription:
return DaemonDescription(
daemon_type=self.daemon_type,
daemon_id=self.daemon_id,
service_name=self.service_name,
hostname=self.host,
status=status,
status_desc=status_desc,
ip=self.ip,
ports=self.ports,
rank=self.rank,
rank_generation=self.rank_generation,
extra_container_args=cast(GeneralArgList, self.extra_container_args),
extra_entrypoint_args=cast(GeneralArgList, self.extra_entrypoint_args),
)
@property
def extra_args(self) -> List[str]:
return []
class CephadmService(metaclass=ABCMeta):
"""
Base class for service types. Often providing a create() and config() fn.
"""
@property
@abstractmethod
def TYPE(self) -> str:
pass
def __init__(self, mgr: "CephadmOrchestrator"):
self.mgr: "CephadmOrchestrator" = mgr
def allow_colo(self) -> bool:
"""
Return True if multiple daemons of the same type can colocate on
the same host.
"""
return False
def primary_daemon_type(self, spec: Optional[ServiceSpec] = None) -> str:
"""
This is the type of the primary (usually only) daemon to be deployed.
"""
return self.TYPE
def per_host_daemon_type(self, spec: Optional[ServiceSpec] = None) -> Optional[str]:
"""
If defined, this type of daemon will be deployed once for each host
containing one or more daemons of the primary type.
"""
return None
def ranked(self) -> bool:
"""
If True, we will assign a stable rank (0, 1, ...) and monotonically increasing
generation (0, 1, ...) to each daemon we create/deploy.
"""
return False
def fence_old_ranks(self,
spec: ServiceSpec,
rank_map: Dict[int, Dict[int, Optional[str]]],
num_ranks: int) -> None:
assert False
def make_daemon_spec(
self,
host: str,
daemon_id: str,
network: str,
spec: ServiceSpecs,
daemon_type: Optional[str] = None,
ports: Optional[List[int]] = None,
ip: Optional[str] = None,
rank: Optional[int] = None,
rank_generation: Optional[int] = None,
) -> CephadmDaemonDeploySpec:
return CephadmDaemonDeploySpec(
host=host,
daemon_id=daemon_id,
service_name=spec.service_name(),
network=network,
daemon_type=daemon_type,
ports=ports,
ip=ip,
rank=rank,
rank_generation=rank_generation,
extra_container_args=spec.extra_container_args if hasattr(
spec, 'extra_container_args') else None,
extra_entrypoint_args=spec.extra_entrypoint_args if hasattr(
spec, 'extra_entrypoint_args') else None,
)
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
raise NotImplementedError()
def generate_config(self, daemon_spec: CephadmDaemonDeploySpec) -> Tuple[Dict[str, Any], List[str]]:
raise NotImplementedError()
def config(self, spec: ServiceSpec) -> None:
"""
Configure the cluster for this service. Only called *once* per
service apply. Not for every daemon.
"""
pass
def daemon_check_post(self, daemon_descrs: List[DaemonDescription]) -> None:
"""The post actions needed to be done after daemons are checked"""
if self.mgr.config_dashboard:
if 'dashboard' in self.mgr.get('mgr_map')['modules']:
self.config_dashboard(daemon_descrs)
else:
logger.debug('Dashboard is not enabled. Skip configuration.')
def config_dashboard(self, daemon_descrs: List[DaemonDescription]) -> None:
"""Config dashboard settings."""
raise NotImplementedError()
def get_active_daemon(self, daemon_descrs: List[DaemonDescription]) -> DaemonDescription:
# if this is called for a service type where it hasn't explicitly been
# defined, return empty Daemon Desc
return DaemonDescription()
def get_keyring_with_caps(self, entity: AuthEntity, caps: List[str]) -> str:
ret, keyring, err = self.mgr.mon_command({
'prefix': 'auth get-or-create',
'entity': entity,
'caps': caps,
})
if err:
ret, out, err = self.mgr.mon_command({
'prefix': 'auth caps',
'entity': entity,
'caps': caps,
})
if err:
self.mgr.log.warning(f"Unable to update caps for {entity}")
# get keyring anyway
ret, keyring, err = self.mgr.mon_command({
'prefix': 'auth get',
'entity': entity,
})
if err:
raise OrchestratorError(f"Unable to fetch keyring for {entity}: {err}")
# strip down keyring
# - don't include caps (auth get includes them; get-or-create does not)
# - use pending key if present
key = None
for line in keyring.splitlines():
if ' = ' not in line:
continue
line = line.strip()
(ls, rs) = line.split(' = ', 1)
if ls == 'key' and not key:
key = rs
if ls == 'pending key':
key = rs
keyring = f'[{entity}]\nkey = {key}\n'
return keyring
def _inventory_get_fqdn(self, hostname: str) -> str:
"""Get a host's FQDN with its hostname.
If the FQDN can't be resolved, the address from the inventory will
be returned instead.
"""
addr = self.mgr.inventory.get_addr(hostname)
return socket.getfqdn(addr)
def _set_service_url_on_dashboard(self,
service_name: str,
get_mon_cmd: str,
set_mon_cmd: str,
service_url: str) -> None:
"""A helper to get and set service_url via Dashboard's MON command.
If result of get_mon_cmd differs from service_url, set_mon_cmd will
be sent to set the service_url.
"""
def get_set_cmd_dicts(out: str) -> List[dict]:
cmd_dict = {
'prefix': set_mon_cmd,
'value': service_url
}
return [cmd_dict] if service_url != out else []
self._check_and_set_dashboard(
service_name=service_name,
get_cmd=get_mon_cmd,
get_set_cmd_dicts=get_set_cmd_dicts
)
def _check_and_set_dashboard(self,
service_name: str,
get_cmd: str,
get_set_cmd_dicts: Callable[[str], List[dict]]) -> None:
"""A helper to set configs in the Dashboard.
The method is useful for the pattern:
- Getting a config from Dashboard by using a Dashboard command. e.g. current iSCSI
gateways.
- Parse or deserialize previous output. e.g. Dashboard command returns a JSON string.
- Determine if the config need to be update. NOTE: This step is important because if a
Dashboard command modified Ceph config, cephadm's config_notify() is called. Which
kicks the serve() loop and the logic using this method is likely to be called again.
A config should be updated only when needed.
- Update a config in Dashboard by using a Dashboard command.
:param service_name: the service name to be used for logging
:type service_name: str
:param get_cmd: Dashboard command prefix to get config. e.g. dashboard get-grafana-api-url
:type get_cmd: str
:param get_set_cmd_dicts: function to create a list, and each item is a command dictionary.
e.g.
[
{
'prefix': 'dashboard iscsi-gateway-add',
'service_url': 'http://admin:admin@aaa:5000',
'name': 'aaa'
},
{
'prefix': 'dashboard iscsi-gateway-add',
'service_url': 'http://admin:admin@bbb:5000',
'name': 'bbb'
}
]
The function should return empty list if no command need to be sent.
:type get_set_cmd_dicts: Callable[[str], List[dict]]
"""
try:
_, out, _ = self.mgr.check_mon_command({
'prefix': get_cmd
})
except MonCommandFailed as e:
logger.warning('Failed to get Dashboard config for %s: %s', service_name, e)
return
cmd_dicts = get_set_cmd_dicts(out.strip())
for cmd_dict in list(cmd_dicts):
try:
inbuf = cmd_dict.pop('inbuf', None)
_, out, _ = self.mgr.check_mon_command(cmd_dict, inbuf)
except MonCommandFailed as e:
logger.warning('Failed to set Dashboard config for %s: %s', service_name, e)
def ok_to_stop_osd(
self,
osds: List[str],
known: Optional[List[str]] = None, # output argument
force: bool = False) -> HandleCommandResult:
r = HandleCommandResult(*self.mgr.mon_command({
'prefix': "osd ok-to-stop",
'ids': osds,
'max': 16,
}))
j = None
try:
j = json.loads(r.stdout)
except json.decoder.JSONDecodeError:
self.mgr.log.warning("osd ok-to-stop didn't return structured result")
raise
if r.retval:
return r
if known is not None and j and j.get('ok_to_stop'):
self.mgr.log.debug(f"got {j}")
known.extend([f'osd.{x}' for x in j.get('osds', [])])
return HandleCommandResult(
0,
f'{",".join(["osd.%s" % o for o in osds])} {"is" if len(osds) == 1 else "are"} safe to restart',
''
)
def ok_to_stop(
self,
daemon_ids: List[str],
force: bool = False,
known: Optional[List[str]] = None # output argument
) -> HandleCommandResult:
names = [f'{self.TYPE}.{d_id}' for d_id in daemon_ids]
out = f'It appears safe to stop {",".join(names)}'
err = f'It is NOT safe to stop {",".join(names)} at this time'
if self.TYPE not in ['mon', 'osd', 'mds']:
logger.debug(out)
return HandleCommandResult(0, out)
if self.TYPE == 'osd':
return self.ok_to_stop_osd(daemon_ids, known, force)
r = HandleCommandResult(*self.mgr.mon_command({
'prefix': f'{self.TYPE} ok-to-stop',
'ids': daemon_ids,
}))
if r.retval:
err = f'{err}: {r.stderr}' if r.stderr else err
logger.debug(err)
return HandleCommandResult(r.retval, r.stdout, err)
out = f'{out}: {r.stdout}' if r.stdout else out
logger.debug(out)
return HandleCommandResult(r.retval, out, r.stderr)
def _enough_daemons_to_stop(self, daemon_type: str, daemon_ids: List[str], service: str, low_limit: int, alert: bool = False) -> Tuple[bool, str]:
# Provides a warning about if it possible or not to stop <n> daemons in a service
names = [f'{daemon_type}.{d_id}' for d_id in daemon_ids]
number_of_running_daemons = len(
[daemon
for daemon in self.mgr.cache.get_daemons_by_type(daemon_type)
if daemon.status == DaemonDescriptionStatus.running])
if (number_of_running_daemons - len(daemon_ids)) >= low_limit:
return False, f'It is presumed safe to stop {names}'
num_daemons_left = number_of_running_daemons - len(daemon_ids)
def plural(count: int) -> str:
return 'daemon' if count == 1 else 'daemons'
left_count = "no" if num_daemons_left == 0 else num_daemons_left
if alert:
out = (f'ALERT: Cannot stop {names} in {service} service. '
f'Not enough remaining {service} daemons. '
f'Please deploy at least {low_limit + 1} {service} daemons before stopping {names}. ')
else:
out = (f'WARNING: Stopping {len(daemon_ids)} out of {number_of_running_daemons} daemons in {service} service. '
f'Service will not be operational with {left_count} {plural(num_daemons_left)} left. '
f'At least {low_limit} {plural(low_limit)} must be running to guarantee service. ')
return True, out
def pre_remove(self, daemon: DaemonDescription) -> None:
"""
Called before the daemon is removed.
"""
assert daemon.daemon_type is not None
assert self.TYPE == daemon_type_to_service(daemon.daemon_type)
logger.debug(f'Pre remove daemon {self.TYPE}.{daemon.daemon_id}')
def post_remove(self, daemon: DaemonDescription, is_failed_deploy: bool) -> None:
"""
Called after the daemon is removed.
"""
assert daemon.daemon_type is not None
assert self.TYPE == daemon_type_to_service(daemon.daemon_type)
logger.debug(f'Post remove daemon {self.TYPE}.{daemon.daemon_id}')
def purge(self, service_name: str) -> None:
"""Called to carry out any purge tasks following service removal"""
logger.debug(f'Purge called for {self.TYPE} - no action taken')
class CephService(CephadmService):
def generate_config(self, daemon_spec: CephadmDaemonDeploySpec) -> Tuple[Dict[str, Any], List[str]]:
# Ceph.daemons (mon, mgr, mds, osd, etc)
cephadm_config = self.get_config_and_keyring(
daemon_spec.daemon_type,
daemon_spec.daemon_id,
host=daemon_spec.host,
keyring=daemon_spec.keyring,
extra_ceph_config=daemon_spec.ceph_conf)
if daemon_spec.config_get_files():
cephadm_config.update({'files': daemon_spec.config_get_files()})
return cephadm_config, []
def post_remove(self, daemon: DaemonDescription, is_failed_deploy: bool) -> None:
super().post_remove(daemon, is_failed_deploy=is_failed_deploy)
self.remove_keyring(daemon)
def get_auth_entity(self, daemon_id: str, host: str = "") -> AuthEntity:
return get_auth_entity(self.TYPE, daemon_id, host=host)
def get_config_and_keyring(self,
daemon_type: str,
daemon_id: str,
host: str,
keyring: Optional[str] = None,
extra_ceph_config: Optional[str] = None
) -> Dict[str, Any]:
# keyring
if not keyring:
entity: AuthEntity = self.get_auth_entity(daemon_id, host=host)
ret, keyring, err = self.mgr.check_mon_command({
'prefix': 'auth get',
'entity': entity,
})
config = self.mgr.get_minimal_ceph_conf()
if extra_ceph_config:
config += extra_ceph_config
return {
'config': config,
'keyring': keyring,
}
def remove_keyring(self, daemon: DaemonDescription) -> None:
assert daemon.daemon_id is not None
assert daemon.hostname is not None
daemon_id: str = daemon.daemon_id
host: str = daemon.hostname
assert daemon.daemon_type != 'mon'
entity = self.get_auth_entity(daemon_id, host=host)
logger.info(f'Removing key for {entity}')
ret, out, err = self.mgr.mon_command({
'prefix': 'auth rm',
'entity': entity,
})
class MonService(CephService):
TYPE = 'mon'
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
"""
Create a new monitor on the given host.
"""
assert self.TYPE == daemon_spec.daemon_type
name, _, network = daemon_spec.daemon_id, daemon_spec.host, daemon_spec.network
# get mon. key
ret, keyring, err = self.mgr.check_mon_command({
'prefix': 'auth get',
'entity': daemon_spec.entity_name(),
})
extra_config = '[mon.%s]\n' % name
if network:
# infer whether this is a CIDR network, addrvec, or plain IP
if '/' in network:
extra_config += 'public network = %s\n' % network
elif network.startswith('[v') and network.endswith(']'):
extra_config += 'public addrv = %s\n' % network
elif is_ipv6(network):
extra_config += 'public addr = %s\n' % unwrap_ipv6(network)
elif ':' not in network:
extra_config += 'public addr = %s\n' % network
else:
raise OrchestratorError(
'Must specify a CIDR network, ceph addrvec, or plain IP: \'%s\'' % network)
else:
# try to get the public_network from the config
ret, network, err = self.mgr.check_mon_command({
'prefix': 'config get',
'who': 'mon',
'key': 'public_network',
})
network = network.strip() if network else network
if not network:
raise OrchestratorError(
'Must set public_network config option or specify a CIDR network, ceph addrvec, or plain IP')
if '/' not in network:
raise OrchestratorError(
'public_network is set but does not look like a CIDR network: \'%s\'' % network)
extra_config += 'public network = %s\n' % network
daemon_spec.ceph_conf = extra_config
daemon_spec.keyring = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
def config(self, spec: ServiceSpec) -> None:
assert self.TYPE == spec.service_type
self.set_crush_locations(self.mgr.cache.get_daemons_by_type('mon'), spec)
def _get_quorum_status(self) -> Dict[Any, Any]:
ret, out, err = self.mgr.check_mon_command({
'prefix': 'quorum_status',
})
try:
j = json.loads(out)
except Exception as e:
raise OrchestratorError(f'failed to parse mon quorum status: {e}')
return j
def _check_safe_to_destroy(self, mon_id: str) -> None:
quorum_status = self._get_quorum_status()
mons = [m['name'] for m in quorum_status['monmap']['mons']]
if mon_id not in mons:
logger.info('Safe to remove mon.%s: not in monmap (%s)' % (
mon_id, mons))
return
new_mons = [m for m in mons if m != mon_id]
new_quorum = [m for m in quorum_status['quorum_names'] if m != mon_id]
if len(new_quorum) > len(new_mons) / 2:
logger.info('Safe to remove mon.%s: new quorum should be %s (from %s)' %
(mon_id, new_quorum, new_mons))
return
raise OrchestratorError(
'Removing %s would break mon quorum (new quorum %s, new mons %s)' % (mon_id, new_quorum, new_mons))
def pre_remove(self, daemon: DaemonDescription) -> None:
super().pre_remove(daemon)
assert daemon.daemon_id is not None
daemon_id: str = daemon.daemon_id
self._check_safe_to_destroy(daemon_id)
# remove mon from quorum before we destroy the daemon
logger.info('Removing monitor %s from monmap...' % daemon_id)
ret, out, err = self.mgr.check_mon_command({
'prefix': 'mon rm',
'name': daemon_id,
})
def post_remove(self, daemon: DaemonDescription, is_failed_deploy: bool) -> None:
# Do not remove the mon keyring.
# super().post_remove(daemon)
pass
def generate_config(self, daemon_spec: CephadmDaemonDeploySpec) -> Tuple[Dict[str, Any], List[str]]:
daemon_spec.final_config, daemon_spec.deps = super().generate_config(daemon_spec)
# realistically, we expect there to always be a mon spec
# in a real deployment, but the way teuthology deploys some daemons
# it's possible there might not be. For that reason we need to
# verify the service is present in the spec store.
if daemon_spec.service_name in self.mgr.spec_store:
mon_spec = cast(MONSpec, self.mgr.spec_store[daemon_spec.service_name].spec)
if mon_spec.crush_locations:
if daemon_spec.host in mon_spec.crush_locations:
# the --crush-location flag only supports a single bucket=loc pair so
# others will have to be handled later. The idea is to set the flag
# for the first bucket=loc pair in the list in order to facilitate
# replacing a tiebreaker mon (https://docs.ceph.com/en/quincy/rados/operations/stretch-mode/#other-commands)
c_loc = mon_spec.crush_locations[daemon_spec.host][0]
daemon_spec.final_config['crush_location'] = c_loc
return daemon_spec.final_config, daemon_spec.deps
def set_crush_locations(self, daemon_descrs: List[DaemonDescription], spec: ServiceSpec) -> None:
logger.debug('Setting mon crush locations from spec')
if not daemon_descrs:
return
assert self.TYPE == spec.service_type
mon_spec = cast(MONSpec, spec)
if not mon_spec.crush_locations:
return
quorum_status = self._get_quorum_status()
mons_in_monmap = [m['name'] for m in quorum_status['monmap']['mons']]
for dd in daemon_descrs:
assert dd.daemon_id is not None
assert dd.hostname is not None
if dd.hostname not in mon_spec.crush_locations:
continue
if dd.daemon_id not in mons_in_monmap:
continue
# expected format for crush_locations from the quorum status is
# {bucket1=loc1,bucket2=loc2} etc. for the number of bucket=loc pairs
try:
current_crush_locs = [m['crush_location'] for m in quorum_status['monmap']['mons'] if m['name'] == dd.daemon_id][0]
except (KeyError, IndexError) as e:
logger.warning(f'Failed setting crush location for mon {dd.daemon_id}: {e}\n'
'Mon may not have a monmap entry yet. Try re-applying mon spec once mon is confirmed up.')
desired_crush_locs = '{' + ','.join(mon_spec.crush_locations[dd.hostname]) + '}'
logger.debug(f'Found spec defined crush locations for mon on {dd.hostname}: {desired_crush_locs}')
logger.debug(f'Current crush locations for mon on {dd.hostname}: {current_crush_locs}')
if current_crush_locs != desired_crush_locs:
logger.info(f'Setting crush location for mon {dd.daemon_id} to {desired_crush_locs}')
try:
ret, out, err = self.mgr.check_mon_command({
'prefix': 'mon set_location',
'name': dd.daemon_id,
'args': mon_spec.crush_locations[dd.hostname]
})
except Exception as e:
logger.error(f'Failed setting crush location for mon {dd.daemon_id}: {e}')
class MgrService(CephService):
TYPE = 'mgr'
def allow_colo(self) -> bool:
if self.mgr.get_ceph_option('mgr_standby_modules'):
# traditional mgr mode: standby daemons' modules listen on
# ports and redirect to the primary. we must not schedule
# multiple mgrs on the same host or else ports will
# conflict.
return False
else:
# standby daemons do nothing, and therefore port conflicts
# are not a concern.
return True
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
"""
Create a new manager instance on a host.
"""
assert self.TYPE == daemon_spec.daemon_type
mgr_id, _ = daemon_spec.daemon_id, daemon_spec.host
# get mgr. key
keyring = self.get_keyring_with_caps(self.get_auth_entity(mgr_id),
['mon', 'profile mgr',
'osd', 'allow *',
'mds', 'allow *'])
# Retrieve ports used by manager modules
# In the case of the dashboard port and with several manager daemons
# running in different hosts, it exists the possibility that the
# user has decided to use different dashboard ports in each server
# If this is the case then the dashboard port opened will be only the used
# as default.
ports = []
ret, mgr_services, err = self.mgr.check_mon_command({
'prefix': 'mgr services',
})
if mgr_services:
mgr_endpoints = json.loads(mgr_services)
for end_point in mgr_endpoints.values():
port = re.search(r'\:\d+\/', end_point)
if port:
ports.append(int(port[0][1:-1]))
if ports:
daemon_spec.ports = ports
daemon_spec.ports.append(self.mgr.service_discovery_port)
daemon_spec.keyring = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
def get_active_daemon(self, daemon_descrs: List[DaemonDescription]) -> DaemonDescription:
for daemon in daemon_descrs:
assert daemon.daemon_type is not None
assert daemon.daemon_id is not None
if self.mgr.daemon_is_self(daemon.daemon_type, daemon.daemon_id):
return daemon
# if no active mgr found, return empty Daemon Desc
return DaemonDescription()
def fail_over(self) -> None:
# this has been seen to sometimes transiently fail even when there are multiple
# mgr daemons. As long as there are multiple known mgr daemons, we should retry.
class NoStandbyError(OrchestratorError):
pass
no_standby_exc = NoStandbyError('Need standby mgr daemon', event_kind_subject=(
'daemon', 'mgr' + self.mgr.get_mgr_id()))
for sleep_secs in [2, 8, 15]:
try:
if not self.mgr_map_has_standby():
raise no_standby_exc
self.mgr.events.for_daemon('mgr' + self.mgr.get_mgr_id(),
'INFO', 'Failing over to other MGR')
logger.info('Failing over to other MGR')
# fail over
ret, out, err = self.mgr.check_mon_command({
'prefix': 'mgr fail',
'who': self.mgr.get_mgr_id(),
})
return
except NoStandbyError:
logger.info(
f'Failed to find standby mgr for failover. Retrying in {sleep_secs} seconds')
time.sleep(sleep_secs)
raise no_standby_exc
def mgr_map_has_standby(self) -> bool:
"""
This is a bit safer than asking our inventory. If the mgr joined the mgr map,
we know it joined the cluster
"""
mgr_map = self.mgr.get('mgr_map')
num = len(mgr_map.get('standbys'))
return bool(num)
def ok_to_stop(
self,
daemon_ids: List[str],
force: bool = False,
known: Optional[List[str]] = None # output argument
) -> HandleCommandResult:
# ok to stop if there is more than 1 mgr and not trying to stop the active mgr
warn, warn_message = self._enough_daemons_to_stop(self.TYPE, daemon_ids, 'Mgr', 1, True)
if warn:
return HandleCommandResult(-errno.EBUSY, '', warn_message)
mgr_daemons = self.mgr.cache.get_daemons_by_type(self.TYPE)
active = self.get_active_daemon(mgr_daemons).daemon_id
if active in daemon_ids:
warn_message = 'ALERT: Cannot stop active Mgr daemon, Please switch active Mgrs with \'ceph mgr fail %s\'' % active
return HandleCommandResult(-errno.EBUSY, '', warn_message)
return HandleCommandResult(0, warn_message, '')
class MdsService(CephService):
TYPE = 'mds'
def allow_colo(self) -> bool:
return True
def config(self, spec: ServiceSpec) -> None:
assert self.TYPE == spec.service_type
assert spec.service_id
# ensure mds_join_fs is set for these daemons
ret, out, err = self.mgr.check_mon_command({
'prefix': 'config set',
'who': 'mds.' + spec.service_id,
'name': 'mds_join_fs',
'value': spec.service_id,
})
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
assert self.TYPE == daemon_spec.daemon_type
mds_id, _ = daemon_spec.daemon_id, daemon_spec.host
# get mds. key
keyring = self.get_keyring_with_caps(self.get_auth_entity(mds_id),
['mon', 'profile mds',
'osd', 'allow rw tag cephfs *=*',
'mds', 'allow'])
daemon_spec.keyring = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
def get_active_daemon(self, daemon_descrs: List[DaemonDescription]) -> DaemonDescription:
active_mds_strs = list()
for fs in self.mgr.get('fs_map')['filesystems']:
mds_map = fs['mdsmap']
if mds_map is not None:
for mds_id, mds_status in mds_map['info'].items():
if mds_status['state'] == 'up:active':
active_mds_strs.append(mds_status['name'])
if len(active_mds_strs) != 0:
for daemon in daemon_descrs:
if daemon.daemon_id in active_mds_strs:
return daemon
# if no mds found, return empty Daemon Desc
return DaemonDescription()
def purge(self, service_name: str) -> None:
self.mgr.check_mon_command({
'prefix': 'config rm',
'who': service_name,
'name': 'mds_join_fs',
})
class RgwService(CephService):
TYPE = 'rgw'
def allow_colo(self) -> bool:
return True
def config(self, spec: RGWSpec) -> None: # type: ignore
assert self.TYPE == spec.service_type
# set rgw_realm rgw_zonegroup and rgw_zone, if present
if spec.rgw_realm:
ret, out, err = self.mgr.check_mon_command({
'prefix': 'config set',
'who': f"{utils.name_to_config_section('rgw')}.{spec.service_id}",
'name': 'rgw_realm',
'value': spec.rgw_realm,
})
if spec.rgw_zonegroup:
ret, out, err = self.mgr.check_mon_command({
'prefix': 'config set',
'who': f"{utils.name_to_config_section('rgw')}.{spec.service_id}",
'name': 'rgw_zonegroup',
'value': spec.rgw_zonegroup,
})
if spec.rgw_zone:
ret, out, err = self.mgr.check_mon_command({
'prefix': 'config set',
'who': f"{utils.name_to_config_section('rgw')}.{spec.service_id}",
'name': 'rgw_zone',
'value': spec.rgw_zone,
})
if spec.rgw_frontend_ssl_certificate:
if isinstance(spec.rgw_frontend_ssl_certificate, list):
cert_data = '\n'.join(spec.rgw_frontend_ssl_certificate)
elif isinstance(spec.rgw_frontend_ssl_certificate, str):
cert_data = spec.rgw_frontend_ssl_certificate
else:
raise OrchestratorError(
'Invalid rgw_frontend_ssl_certificate: %s'
% spec.rgw_frontend_ssl_certificate)
ret, out, err = self.mgr.check_mon_command({
'prefix': 'config-key set',
'key': f'rgw/cert/{spec.service_name()}',
'val': cert_data,
})
# TODO: fail, if we don't have a spec
logger.info('Saving service %s spec with placement %s' % (
spec.service_name(), spec.placement.pretty_str()))
self.mgr.spec_store.save(spec)
self.mgr.trigger_connect_dashboard_rgw()
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
assert self.TYPE == daemon_spec.daemon_type
rgw_id, _ = daemon_spec.daemon_id, daemon_spec.host
spec = cast(RGWSpec, self.mgr.spec_store[daemon_spec.service_name].spec)
keyring = self.get_keyring(rgw_id)
if daemon_spec.ports:
port = daemon_spec.ports[0]
else:
# this is a redeploy of older instance that doesn't have an explicitly
# assigned port, in which case we can assume there is only 1 per host
# and it matches the spec.
port = spec.get_port()
# configure frontend
args = []
ftype = spec.rgw_frontend_type or "beast"
if ftype == 'beast':
if spec.ssl:
if daemon_spec.ip:
args.append(
f"ssl_endpoint={build_url(host=daemon_spec.ip, port=port).lstrip('/')}")
else:
args.append(f"ssl_port={port}")
args.append(f"ssl_certificate=config://rgw/cert/{spec.service_name()}")
else:
if daemon_spec.ip:
args.append(f"endpoint={build_url(host=daemon_spec.ip, port=port).lstrip('/')}")
else:
args.append(f"port={port}")
elif ftype == 'civetweb':
if spec.ssl:
if daemon_spec.ip:
# note the 's' suffix on port
args.append(f"port={build_url(host=daemon_spec.ip, port=port).lstrip('/')}s")
else:
args.append(f"port={port}s") # note the 's' suffix on port
args.append(f"ssl_certificate=config://rgw/cert/{spec.service_name()}")
else:
if daemon_spec.ip:
args.append(f"port={build_url(host=daemon_spec.ip, port=port).lstrip('/')}")
else:
args.append(f"port={port}")
else:
raise OrchestratorError(f'Invalid rgw_frontend_type parameter: {ftype}. Valid values are: beast, civetweb.')
if spec.rgw_frontend_extra_args is not None:
args.extend(spec.rgw_frontend_extra_args)
frontend = f'{ftype} {" ".join(args)}'
ret, out, err = self.mgr.check_mon_command({
'prefix': 'config set',
'who': utils.name_to_config_section(daemon_spec.name()),
'name': 'rgw_frontends',
'value': frontend
})
daemon_spec.keyring = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
def get_keyring(self, rgw_id: str) -> str:
keyring = self.get_keyring_with_caps(self.get_auth_entity(rgw_id),
['mon', 'allow *',
'mgr', 'allow rw',
'osd', 'allow rwx tag rgw *=*'])
return keyring
def purge(self, service_name: str) -> None:
self.mgr.check_mon_command({
'prefix': 'config rm',
'who': utils.name_to_config_section(service_name),
'name': 'rgw_realm',
})
self.mgr.check_mon_command({
'prefix': 'config rm',
'who': utils.name_to_config_section(service_name),
'name': 'rgw_zone',
})
self.mgr.check_mon_command({
'prefix': 'config-key rm',
'key': f'rgw/cert/{service_name}',
})
self.mgr.trigger_connect_dashboard_rgw()
def post_remove(self, daemon: DaemonDescription, is_failed_deploy: bool) -> None:
super().post_remove(daemon, is_failed_deploy=is_failed_deploy)
self.mgr.check_mon_command({
'prefix': 'config rm',
'who': utils.name_to_config_section(daemon.name()),
'name': 'rgw_frontends',
})
def ok_to_stop(
self,
daemon_ids: List[str],
force: bool = False,
known: Optional[List[str]] = None # output argument
) -> HandleCommandResult:
# if load balancer (ingress) is present block if only 1 daemon up otherwise ok
# if no load balancer, warn if > 1 daemon, block if only 1 daemon
def ingress_present() -> bool:
running_ingress_daemons = [
daemon for daemon in self.mgr.cache.get_daemons_by_type('ingress') if daemon.status == 1]
running_haproxy_daemons = [
daemon for daemon in running_ingress_daemons if daemon.daemon_type == 'haproxy']
running_keepalived_daemons = [
daemon for daemon in running_ingress_daemons if daemon.daemon_type == 'keepalived']
# check that there is at least one haproxy and keepalived daemon running
if running_haproxy_daemons and running_keepalived_daemons:
return True
return False
# if only 1 rgw, alert user (this is not passable with --force)
warn, warn_message = self._enough_daemons_to_stop(self.TYPE, daemon_ids, 'RGW', 1, True)
if warn:
return HandleCommandResult(-errno.EBUSY, '', warn_message)
# if reached here, there is > 1 rgw daemon.
# Say okay if load balancer present or force flag set
if ingress_present() or force:
return HandleCommandResult(0, warn_message, '')
# if reached here, > 1 RGW daemon, no load balancer and no force flag.
# Provide warning
warn_message = "WARNING: Removing RGW daemons can cause clients to lose connectivity. "
return HandleCommandResult(-errno.EBUSY, '', warn_message)
def config_dashboard(self, daemon_descrs: List[DaemonDescription]) -> None:
self.mgr.trigger_connect_dashboard_rgw()
class RbdMirrorService(CephService):
TYPE = 'rbd-mirror'
def allow_colo(self) -> bool:
return True
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
assert self.TYPE == daemon_spec.daemon_type
daemon_id, _ = daemon_spec.daemon_id, daemon_spec.host
keyring = self.get_keyring_with_caps(self.get_auth_entity(daemon_id),
['mon', 'profile rbd-mirror',
'osd', 'profile rbd'])
daemon_spec.keyring = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
def ok_to_stop(
self,
daemon_ids: List[str],
force: bool = False,
known: Optional[List[str]] = None # output argument
) -> HandleCommandResult:
# if only 1 rbd-mirror, alert user (this is not passable with --force)
warn, warn_message = self._enough_daemons_to_stop(
self.TYPE, daemon_ids, 'Rbdmirror', 1, True)
if warn:
return HandleCommandResult(-errno.EBUSY, '', warn_message)
return HandleCommandResult(0, warn_message, '')
class CrashService(CephService):
TYPE = 'crash'
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
assert self.TYPE == daemon_spec.daemon_type
daemon_id, host = daemon_spec.daemon_id, daemon_spec.host
keyring = self.get_keyring_with_caps(self.get_auth_entity(daemon_id, host=host),
['mon', 'profile crash',
'mgr', 'profile crash'])
daemon_spec.keyring = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
class CephExporterService(CephService):
TYPE = 'ceph-exporter'
DEFAULT_SERVICE_PORT = 9926
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
assert self.TYPE == daemon_spec.daemon_type
spec = cast(CephExporterSpec, self.mgr.spec_store[daemon_spec.service_name].spec)
keyring = self.get_keyring_with_caps(self.get_auth_entity(daemon_spec.daemon_id),
['mon', 'profile ceph-exporter',
'mon', 'allow r',
'mgr', 'allow r',
'osd', 'allow r'])
exporter_config = {}
if spec.sock_dir:
exporter_config.update({'sock-dir': spec.sock_dir})
if spec.port:
exporter_config.update({'port': f'{spec.port}'})
if spec.prio_limit is not None:
exporter_config.update({'prio-limit': f'{spec.prio_limit}'})
if spec.stats_period:
exporter_config.update({'stats-period': f'{spec.stats_period}'})
daemon_spec.keyring = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
daemon_spec.final_config = merge_dicts(daemon_spec.final_config, exporter_config)
return daemon_spec
class CephfsMirrorService(CephService):
TYPE = 'cephfs-mirror'
def config(self, spec: ServiceSpec) -> None:
# make sure mirroring module is enabled
mgr_map = self.mgr.get('mgr_map')
mod_name = 'mirroring'
if mod_name not in mgr_map.get('services', {}):
self.mgr.check_mon_command({
'prefix': 'mgr module enable',
'module': mod_name
})
# we shouldn't get here (mon will tell the mgr to respawn), but no
# harm done if we do.
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
assert self.TYPE == daemon_spec.daemon_type
ret, keyring, err = self.mgr.check_mon_command({
'prefix': 'auth get-or-create',
'entity': daemon_spec.entity_name(),
'caps': ['mon', 'profile cephfs-mirror',
'mds', 'allow r',
'osd', 'allow rw tag cephfs metadata=*, allow r tag cephfs data=*',
'mgr', 'allow r'],
})
daemon_spec.keyring = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
class CephadmAgent(CephService):
TYPE = 'agent'
def prepare_create(self, daemon_spec: CephadmDaemonDeploySpec) -> CephadmDaemonDeploySpec:
assert self.TYPE == daemon_spec.daemon_type
daemon_id, host = daemon_spec.daemon_id, daemon_spec.host
if not self.mgr.http_server.agent:
raise OrchestratorError('Cannot deploy agent before creating cephadm endpoint')
keyring = self.get_keyring_with_caps(self.get_auth_entity(daemon_id, host=host), [])
daemon_spec.keyring = keyring
self.mgr.agent_cache.agent_keys[host] = keyring
daemon_spec.final_config, daemon_spec.deps = self.generate_config(daemon_spec)
return daemon_spec
def generate_config(self, daemon_spec: CephadmDaemonDeploySpec) -> Tuple[Dict[str, Any], List[str]]:
agent = self.mgr.http_server.agent
try:
assert agent
assert agent.ssl_certs.get_root_cert()
assert agent.server_port
except Exception:
raise OrchestratorError(
'Cannot deploy agent daemons until cephadm endpoint has finished generating certs')
cfg = {'target_ip': self.mgr.get_mgr_ip(),
'target_port': agent.server_port,
'refresh_period': self.mgr.agent_refresh_rate,
'listener_port': self.mgr.agent_starting_port,
'host': daemon_spec.host,
'device_enhanced_scan': str(self.mgr.device_enhanced_scan)}
listener_cert, listener_key = agent.ssl_certs.generate_cert(daemon_spec.host, self.mgr.inventory.get_addr(daemon_spec.host))
config = {
'agent.json': json.dumps(cfg),
'keyring': daemon_spec.keyring,
'root_cert.pem': agent.ssl_certs.get_root_cert(),
'listener.crt': listener_cert,
'listener.key': listener_key,
}
return config, sorted([str(self.mgr.get_mgr_ip()), str(agent.server_port),
agent.ssl_certs.get_root_cert(),
str(self.mgr.get_module_option('device_enhanced_scan'))])
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