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Diffstat (limited to 'src/pybind/mgr/cephadm/serve.py')
| -rw-r--r-- | src/pybind/mgr/cephadm/serve.py | 1487 |
1 files changed, 1487 insertions, 0 deletions
diff --git a/src/pybind/mgr/cephadm/serve.py b/src/pybind/mgr/cephadm/serve.py new file mode 100644 index 000000000..7ac6fee88 --- /dev/null +++ b/src/pybind/mgr/cephadm/serve.py @@ -0,0 +1,1487 @@ +import hashlib +import json +import logging +import uuid +from collections import defaultdict +from contextlib import contextmanager +from typing import TYPE_CHECKING, Optional, List, cast, Dict, Any, Union, Tuple, Iterator, \ + DefaultDict + +from cephadm import remotes + +try: + import remoto + import execnet.gateway_bootstrap +except ImportError: + remoto = None + +from ceph.deployment import inventory +from ceph.deployment.drive_group import DriveGroupSpec +from ceph.deployment.service_spec import ServiceSpec, CustomContainerSpec, PlacementSpec +from ceph.utils import str_to_datetime, datetime_now + +import orchestrator +from orchestrator import OrchestratorError, set_exception_subject, OrchestratorEvent, \ + DaemonDescriptionStatus, daemon_type_to_service +from cephadm.services.cephadmservice import CephadmDaemonDeploySpec +from cephadm.schedule import HostAssignment +from cephadm.autotune import MemoryAutotuner +from cephadm.utils import forall_hosts, cephadmNoImage, is_repo_digest, \ + CephadmNoImage, CEPH_TYPES, ContainerInspectInfo +from mgr_module import MonCommandFailed +from mgr_util import format_bytes + +from . import utils + +if TYPE_CHECKING: + from cephadm.module import CephadmOrchestrator + from remoto.backends import BaseConnection + +logger = logging.getLogger(__name__) + +REQUIRES_POST_ACTIONS = ['grafana', 'iscsi', 'prometheus', 'alertmanager', 'rgw'] + + +class CephadmServe: + """ + This module contains functions that are executed in the + serve() thread. Thus they don't block the CLI. + + Please see the `Note regarding network calls from CLI handlers` + chapter in the cephadm developer guide. + + On the other hand, These function should *not* be called form + CLI handlers, to avoid blocking the CLI + """ + + def __init__(self, mgr: "CephadmOrchestrator"): + self.mgr: "CephadmOrchestrator" = mgr + self.log = logger + + def serve(self) -> None: + """ + The main loop of cephadm. + + A command handler will typically change the declarative state + of cephadm. This loop will then attempt to apply this new state. + """ + self.log.debug("serve starting") + self.mgr.config_checker.load_network_config() + + while self.mgr.run: + self.log.debug("serve loop start") + + try: + + self.convert_tags_to_repo_digest() + + # refresh daemons + self.log.debug('refreshing hosts and daemons') + self._refresh_hosts_and_daemons() + + self._check_for_strays() + + self._update_paused_health() + + if self.mgr.need_connect_dashboard_rgw and self.mgr.config_dashboard: + self.mgr.need_connect_dashboard_rgw = False + if 'dashboard' in self.mgr.get('mgr_map')['modules']: + self.log.info('Checking dashboard <-> RGW credentials') + self.mgr.remote('dashboard', 'set_rgw_credentials') + + if not self.mgr.paused: + self.mgr.to_remove_osds.process_removal_queue() + + self.mgr.migration.migrate() + if self.mgr.migration.is_migration_ongoing(): + continue + + if self._apply_all_services(): + continue # did something, refresh + + self._check_daemons() + + self._purge_deleted_services() + + self._check_for_moved_osds() + + if self.mgr.upgrade.continue_upgrade(): + continue + + except OrchestratorError as e: + if e.event_subject: + self.mgr.events.from_orch_error(e) + + self.log.debug("serve loop sleep") + self._serve_sleep() + self.log.debug("serve loop wake") + self.log.debug("serve exit") + + def _serve_sleep(self) -> None: + sleep_interval = max( + 30, + min( + self.mgr.host_check_interval, + self.mgr.facts_cache_timeout, + self.mgr.daemon_cache_timeout, + self.mgr.device_cache_timeout, + ) + ) + self.log.debug('Sleeping for %d seconds', sleep_interval) + self.mgr.event.wait(sleep_interval) + self.mgr.event.clear() + + def _update_paused_health(self) -> None: + self.log.debug('_update_paused_health') + if self.mgr.paused: + self.mgr.set_health_warning('CEPHADM_PAUSED', 'cephadm background work is paused', 1, ["'ceph orch resume' to resume"]) + else: + self.mgr.remove_health_warning('CEPHADM_PAUSED') + + def _autotune_host_memory(self, host: str) -> None: + total_mem = self.mgr.cache.get_facts(host).get('memory_total_kb', 0) + if not total_mem: + val = None + else: + total_mem *= 1024 # kb -> bytes + total_mem *= self.mgr.autotune_memory_target_ratio + a = MemoryAutotuner( + daemons=self.mgr.cache.get_daemons_by_host(host), + config_get=self.mgr.get_foreign_ceph_option, + total_mem=total_mem, + ) + val, osds = a.tune() + any_changed = False + for o in osds: + if self.mgr.get_foreign_ceph_option(o, 'osd_memory_target') != val: + self.mgr.check_mon_command({ + 'prefix': 'config rm', + 'who': o, + 'name': 'osd_memory_target', + }) + any_changed = True + if val is not None: + if any_changed: + self.mgr.log.info( + f'Adjusting osd_memory_target on {host} to {format_bytes(val, 6)}' + ) + ret, out, err = self.mgr.mon_command({ + 'prefix': 'config set', + 'who': f'osd/host:{host.split(".")[0]}', + 'name': 'osd_memory_target', + 'value': str(val), + }) + if ret: + self.log.warning( + f'Unable to set osd_memory_target on {host} to {val}: {err}' + ) + else: + # if osd memory autotuning is off, we don't want to remove these config + # options as users may be using them. Since there is no way to set autotuning + # on/off at a host level, best we can do is check if it is globally on. + if self.mgr.get_foreign_ceph_option('osd', 'osd_memory_target_autotune'): + self.mgr.check_mon_command({ + 'prefix': 'config rm', + 'who': f'osd/host:{host.split(".")[0]}', + 'name': 'osd_memory_target', + }) + self.mgr.cache.update_autotune(host) + + def _refresh_hosts_and_daemons(self) -> None: + self.log.debug('_refresh_hosts_and_daemons') + bad_hosts = [] + failures = [] + + if self.mgr.manage_etc_ceph_ceph_conf or self.mgr.keys.keys: + client_files = self._calc_client_files() + else: + client_files = {} + + @forall_hosts + def refresh(host: str) -> None: + + # skip hosts that are in maintenance - they could be powered off + if self.mgr.inventory._inventory[host].get("status", "").lower() == "maintenance": + return + + if self.mgr.cache.host_needs_check(host): + r = self._check_host(host) + if r is not None: + bad_hosts.append(r) + if self.mgr.cache.host_needs_daemon_refresh(host): + self.log.debug('refreshing %s daemons' % host) + r = self._refresh_host_daemons(host) + if r: + failures.append(r) + + if self.mgr.cache.host_needs_registry_login(host) and self.mgr.get_store('registry_credentials'): + self.log.debug(f"Logging `{host}` into custom registry") + r = self._registry_login( + host, json.loads(str(self.mgr.get_store('registry_credentials')))) + if r: + bad_hosts.append(r) + + if self.mgr.cache.host_needs_device_refresh(host): + self.log.debug('refreshing %s devices' % host) + r = self._refresh_host_devices(host) + if r: + failures.append(r) + + if self.mgr.cache.host_needs_facts_refresh(host): + self.log.debug(('Refreshing %s facts' % host)) + r = self._refresh_facts(host) + if r: + failures.append(r) + + if self.mgr.cache.host_needs_osdspec_preview_refresh(host): + self.log.debug(f"refreshing OSDSpec previews for {host}") + r = self._refresh_host_osdspec_previews(host) + if r: + failures.append(r) + + if ( + self.mgr.cache.host_needs_autotune_memory(host) + and not self.mgr.inventory.has_label(host, '_no_autotune_memory') + ): + self.log.debug(f"autotuning memory for {host}") + self._autotune_host_memory(host) + + self._write_client_files(client_files, host) + + refresh(self.mgr.cache.get_hosts()) + + self.mgr.config_checker.run_checks() + + for k in [ + 'CEPHADM_HOST_CHECK_FAILED', + 'CEPHADM_FAILED_DAEMON', + 'CEPHADM_REFRESH_FAILED', + ]: + self.mgr.remove_health_warning(k) + if bad_hosts: + self.mgr.set_health_warning('CEPHADM_HOST_CHECK_FAILED', f'{len(bad_hosts)} hosts fail cephadm check', len(bad_hosts), bad_hosts) + if failures: + self.mgr.set_health_warning('CEPHADM_REFRESH_FAILED', 'failed to probe daemons or devices', len(failures), failures) + failed_daemons = [] + for dd in self.mgr.cache.get_daemons(): + if dd.status is not None and dd.status == DaemonDescriptionStatus.error: + failed_daemons.append('daemon %s on %s is in %s state' % ( + dd.name(), dd.hostname, dd.status_desc + )) + if failed_daemons: + self.mgr.set_health_warning('CEPHADM_FAILED_DAEMON', f'{len(failed_daemons)} failed cephadm daemon(s)', len(failed_daemons), failed_daemons) + + def _check_host(self, host: str) -> Optional[str]: + if host not in self.mgr.inventory: + return None + self.log.debug(' checking %s' % host) + try: + addr = self.mgr.inventory.get_addr(host) if host in self.mgr.inventory else host + out, err, code = self._run_cephadm( + host, cephadmNoImage, 'check-host', [], + error_ok=True, no_fsid=True) + self.mgr.cache.update_last_host_check(host) + self.mgr.cache.save_host(host) + if code: + self.log.debug(' host %s (%s) failed check' % (host, addr)) + if self.mgr.warn_on_failed_host_check: + return 'host %s (%s) failed check: %s' % (host, addr, err) + else: + self.log.debug(' host %s (%s) ok' % (host, addr)) + except Exception as e: + self.log.debug(' host %s (%s) failed check' % (host, addr)) + return 'host %s (%s) failed check: %s' % (host, addr, e) + return None + + def _refresh_host_daemons(self, host: str) -> Optional[str]: + try: + ls = self._run_cephadm_json(host, 'mon', 'ls', [], no_fsid=True) + except OrchestratorError as e: + return str(e) + dm = {} + for d in ls: + if not d['style'].startswith('cephadm'): + continue + if d['fsid'] != self.mgr._cluster_fsid: + continue + if '.' not in d['name']: + continue + sd = orchestrator.DaemonDescription() + sd.last_refresh = datetime_now() + for k in ['created', 'started', 'last_configured', 'last_deployed']: + v = d.get(k, None) + if v: + setattr(sd, k, str_to_datetime(d[k])) + sd.daemon_type = d['name'].split('.')[0] + if sd.daemon_type not in orchestrator.KNOWN_DAEMON_TYPES: + logger.warning(f"Found unknown daemon type {sd.daemon_type} on host {host}") + continue + + sd.daemon_id = '.'.join(d['name'].split('.')[1:]) + sd.hostname = host + sd.container_id = d.get('container_id') + if sd.container_id: + # shorten the hash + sd.container_id = sd.container_id[0:12] + sd.container_image_name = d.get('container_image_name') + sd.container_image_id = d.get('container_image_id') + sd.container_image_digests = d.get('container_image_digests') + sd.memory_usage = d.get('memory_usage') + sd.memory_request = d.get('memory_request') + sd.memory_limit = d.get('memory_limit') + sd.cpu_percentage = d.get('cpu_percentage') + sd._service_name = d.get('service_name') + sd.deployed_by = d.get('deployed_by') + sd.version = d.get('version') + sd.ports = d.get('ports') + sd.ip = d.get('ip') + sd.rank = int(d['rank']) if d.get('rank') is not None else None + sd.rank_generation = int(d['rank_generation']) if d.get( + 'rank_generation') is not None else None + sd.extra_container_args = d.get('extra_container_args') + if 'state' in d: + sd.status_desc = d['state'] + sd.status = { + 'running': DaemonDescriptionStatus.running, + 'stopped': DaemonDescriptionStatus.stopped, + 'error': DaemonDescriptionStatus.error, + 'unknown': DaemonDescriptionStatus.error, + }[d['state']] + else: + sd.status_desc = 'unknown' + sd.status = None + dm[sd.name()] = sd + self.log.debug('Refreshed host %s daemons (%d)' % (host, len(dm))) + self.mgr.cache.update_host_daemons(host, dm) + self.mgr.cache.save_host(host) + return None + + def _refresh_facts(self, host: str) -> Optional[str]: + try: + val = self._run_cephadm_json(host, cephadmNoImage, 'gather-facts', [], no_fsid=True) + except OrchestratorError as e: + return str(e) + + self.mgr.cache.update_host_facts(host, val) + + return None + + def _refresh_host_devices(self, host: str) -> Optional[str]: + with_lsm = self.mgr.device_enhanced_scan + inventory_args = ['--', 'inventory', + '--format=json-pretty', + '--filter-for-batch'] + if with_lsm: + inventory_args.insert(-1, "--with-lsm") + + try: + try: + devices = self._run_cephadm_json(host, 'osd', 'ceph-volume', + inventory_args) + except OrchestratorError as e: + if 'unrecognized arguments: --filter-for-batch' in str(e): + rerun_args = inventory_args.copy() + rerun_args.remove('--filter-for-batch') + devices = self._run_cephadm_json(host, 'osd', 'ceph-volume', + rerun_args) + else: + raise + + networks = self._run_cephadm_json(host, 'mon', 'list-networks', [], no_fsid=True) + except OrchestratorError as e: + return str(e) + + self.log.debug('Refreshed host %s devices (%d) networks (%s)' % ( + host, len(devices), len(networks))) + ret = inventory.Devices.from_json(devices) + self.mgr.cache.update_host_devices_networks(host, ret.devices, networks) + self.update_osdspec_previews(host) + self.mgr.cache.save_host(host) + return None + + def _refresh_host_osdspec_previews(self, host: str) -> Optional[str]: + self.update_osdspec_previews(host) + self.mgr.cache.save_host(host) + self.log.debug(f'Refreshed OSDSpec previews for host <{host}>') + return None + + def update_osdspec_previews(self, search_host: str = '') -> None: + # Set global 'pending' flag for host + self.mgr.cache.loading_osdspec_preview.add(search_host) + previews = [] + # query OSDSpecs for host <search host> and generate/get the preview + # There can be multiple previews for one host due to multiple OSDSpecs. + previews.extend(self.mgr.osd_service.get_previews(search_host)) + self.log.debug(f'Loading OSDSpec previews to HostCache for host <{search_host}>') + self.mgr.cache.osdspec_previews[search_host] = previews + # Unset global 'pending' flag for host + self.mgr.cache.loading_osdspec_preview.remove(search_host) + + def _check_for_strays(self) -> None: + self.log.debug('_check_for_strays') + for k in ['CEPHADM_STRAY_HOST', + 'CEPHADM_STRAY_DAEMON']: + self.mgr.remove_health_warning(k) + if self.mgr.warn_on_stray_hosts or self.mgr.warn_on_stray_daemons: + ls = self.mgr.list_servers() + self.log.debug(ls) + managed = self.mgr.cache.get_daemon_names() + host_detail = [] # type: List[str] + host_num_daemons = 0 + daemon_detail = [] # type: List[str] + for item in ls: + host = item.get('hostname') + assert isinstance(host, str) + daemons = item.get('services') # misnomer! + assert isinstance(daemons, list) + missing_names = [] + for s in daemons: + daemon_id = s.get('id') + assert daemon_id + name = '%s.%s' % (s.get('type'), daemon_id) + if s.get('type') in ['rbd-mirror', 'cephfs-mirror', 'rgw', 'rgw-nfs']: + metadata = self.mgr.get_metadata( + cast(str, s.get('type')), daemon_id, {}) + assert metadata is not None + try: + if s.get('type') == 'rgw-nfs': + # https://tracker.ceph.com/issues/49573 + name = metadata['id'][:-4] + else: + name = '%s.%s' % (s.get('type'), metadata['id']) + except (KeyError, TypeError): + self.log.debug( + "Failed to find daemon id for %s service %s" % ( + s.get('type'), s.get('id') + ) + ) + if s.get('type') == 'tcmu-runner': + # because we don't track tcmu-runner daemons in the host cache + # and don't have a way to check if the daemon is part of iscsi service + # we assume that all tcmu-runner daemons are managed by cephadm + managed.append(name) + if host not in self.mgr.inventory: + missing_names.append(name) + host_num_daemons += 1 + if name not in managed: + daemon_detail.append( + 'stray daemon %s on host %s not managed by cephadm' % (name, host)) + if missing_names: + host_detail.append( + 'stray host %s has %d stray daemons: %s' % ( + host, len(missing_names), missing_names)) + if self.mgr.warn_on_stray_hosts and host_detail: + self.mgr.set_health_warning( + 'CEPHADM_STRAY_HOST', f'{len(host_detail)} stray host(s) with {host_num_daemons} daemon(s) not managed by cephadm', len(host_detail), host_detail) + if self.mgr.warn_on_stray_daemons and daemon_detail: + self.mgr.set_health_warning( + 'CEPHADM_STRAY_DAEMON', f'{len(daemon_detail)} stray daemon(s) not managed by cephadm', len(daemon_detail), daemon_detail) + + def _check_for_moved_osds(self) -> None: + self.log.debug('_check_for_moved_osds') + all_osds: DefaultDict[int, List[orchestrator.DaemonDescription]] = defaultdict(list) + for dd in self.mgr.cache.get_daemons_by_type('osd'): + assert dd.daemon_id + all_osds[int(dd.daemon_id)].append(dd) + for osd_id, dds in all_osds.items(): + if len(dds) <= 1: + continue + running = [dd for dd in dds if dd.status == DaemonDescriptionStatus.running] + error = [dd for dd in dds if dd.status == DaemonDescriptionStatus.error] + msg = f'Found duplicate OSDs: {", ".join(str(dd) for dd in dds)}' + logger.info(msg) + if len(running) != 1: + continue + osd = self.mgr.get_osd_by_id(osd_id) + if not osd or not osd['up']: + continue + for e in error: + assert e.hostname + try: + self._remove_daemon(e.name(), e.hostname, no_post_remove=True) + self.mgr.events.for_daemon( + e.name(), 'INFO', f"Removed duplicated daemon on host '{e.hostname}'") + except OrchestratorError as ex: + self.mgr.events.from_orch_error(ex) + logger.exception(f'failed to remove duplicated daemon {e}') + + def _apply_all_services(self) -> bool: + self.log.debug('_apply_all_services') + r = False + specs = [] # type: List[ServiceSpec] + for sn, spec in self.mgr.spec_store.active_specs.items(): + specs.append(spec) + for name in ['CEPHADM_APPLY_SPEC_FAIL', 'CEPHADM_DAEMON_PLACE_FAIL']: + self.mgr.remove_health_warning(name) + self.mgr.apply_spec_fails = [] + for spec in specs: + try: + if self._apply_service(spec): + r = True + except Exception as e: + msg = f'Failed to apply {spec.service_name()} spec {spec}: {str(e)}' + self.log.exception(msg) + self.mgr.events.for_service(spec, 'ERROR', 'Failed to apply: ' + str(e)) + self.mgr.apply_spec_fails.append((spec.service_name(), str(e))) + warnings = [] + for x in self.mgr.apply_spec_fails: + warnings.append(f'{x[0]}: {x[1]}') + self.mgr.set_health_warning('CEPHADM_APPLY_SPEC_FAIL', + f"Failed to apply {len(self.mgr.apply_spec_fails)} service(s): {','.join(x[0] for x in self.mgr.apply_spec_fails)}", + len(self.mgr.apply_spec_fails), + warnings) + self.mgr.update_watched_hosts() + return r + + def _apply_service_config(self, spec: ServiceSpec) -> None: + if spec.config: + section = utils.name_to_config_section(spec.service_name()) + for name in ['CEPHADM_INVALID_CONFIG_OPTION', 'CEPHADM_FAILED_SET_OPTION']: + self.mgr.remove_health_warning(name) + invalid_config_options = [] + options_failed_to_set = [] + for k, v in spec.config.items(): + try: + current = self.mgr.get_foreign_ceph_option(section, k) + except KeyError: + msg = f'Ignoring invalid {spec.service_name()} config option {k}' + self.log.warning(msg) + self.mgr.events.for_service( + spec, OrchestratorEvent.ERROR, f'Invalid config option {k}' + ) + invalid_config_options.append(msg) + continue + if current != v: + self.log.debug(f'setting [{section}] {k} = {v}') + try: + self.mgr.check_mon_command({ + 'prefix': 'config set', + 'name': k, + 'value': str(v), + 'who': section, + }) + except MonCommandFailed as e: + msg = f'Failed to set {spec.service_name()} option {k}: {e}' + self.log.warning(msg) + options_failed_to_set.append(msg) + + if invalid_config_options: + self.mgr.set_health_warning('CEPHADM_INVALID_CONFIG_OPTION', f'Ignoring {len(invalid_config_options)} invalid config option(s)', len(invalid_config_options), invalid_config_options) + if options_failed_to_set: + self.mgr.set_health_warning('CEPHADM_FAILED_SET_OPTION', f'Failed to set {len(options_failed_to_set)} option(s)', len(options_failed_to_set), options_failed_to_set) + + def _apply_service(self, spec: ServiceSpec) -> bool: + """ + Schedule a service. Deploy new daemons or remove old ones, depending + on the target label and count specified in the placement. + """ + self.mgr.migration.verify_no_migration() + + service_type = spec.service_type + service_name = spec.service_name() + if spec.unmanaged: + self.log.debug('Skipping unmanaged service %s' % service_name) + return False + if spec.preview_only: + self.log.debug('Skipping preview_only service %s' % service_name) + return False + self.log.debug('Applying service %s spec' % service_name) + + self._apply_service_config(spec) + + if service_type == 'osd': + self.mgr.osd_service.create_from_spec(cast(DriveGroupSpec, spec)) + # TODO: return True would result in a busy loop + # can't know if daemon count changed; create_from_spec doesn't + # return a solid indication + return False + + svc = self.mgr.cephadm_services[service_type] + daemons = self.mgr.cache.get_daemons_by_service(service_name) + + public_networks: List[str] = [] + if service_type == 'mon': + out = str(self.mgr.get_foreign_ceph_option('mon', 'public_network')) + if '/' in out: + public_networks = [x.strip() for x in out.split(',')] + self.log.debug('mon public_network(s) is %s' % public_networks) + + def matches_network(host): + # type: (str) -> bool + # make sure we have 1 or more IPs for any of those networks on that + # host + for network in public_networks: + if len(self.mgr.cache.networks[host].get(network, [])) > 0: + return True + self.log.info( + f"Filtered out host {host}: does not belong to mon public_network" + f" ({','.join(public_networks)})" + ) + return False + + rank_map = None + if svc.ranked(): + rank_map = self.mgr.spec_store[spec.service_name()].rank_map or {} + ha = HostAssignment( + spec=spec, + hosts=self.mgr._schedulable_hosts(), + unreachable_hosts=self.mgr._unreachable_hosts(), + daemons=daemons, + networks=self.mgr.cache.networks, + filter_new_host=( + matches_network if service_type == 'mon' + else None + ), + allow_colo=svc.allow_colo(), + primary_daemon_type=svc.primary_daemon_type(), + per_host_daemon_type=svc.per_host_daemon_type(), + rank_map=rank_map, + ) + + try: + all_slots, slots_to_add, daemons_to_remove = ha.place() + daemons_to_remove = [d for d in daemons_to_remove if (d.hostname and self.mgr.inventory._inventory[d.hostname].get( + 'status', '').lower() not in ['maintenance', 'offline'] and d.hostname not in self.mgr.offline_hosts)] + self.log.debug('Add %s, remove %s' % (slots_to_add, daemons_to_remove)) + except OrchestratorError as e: + msg = f'Failed to apply {spec.service_name()} spec {spec}: {str(e)}' + self.log.error(msg) + self.mgr.events.for_service(spec, 'ERROR', 'Failed to apply: ' + str(e)) + self.mgr.apply_spec_fails.append((spec.service_name(), str(e))) + warnings = [] + for x in self.mgr.apply_spec_fails: + warnings.append(f'{x[0]}: {x[1]}') + self.mgr.set_health_warning('CEPHADM_APPLY_SPEC_FAIL', + f"Failed to apply {len(self.mgr.apply_spec_fails)} service(s): {','.join(x[0] for x in self.mgr.apply_spec_fails)}", + len(self.mgr.apply_spec_fails), + warnings) + return False + + r = None + + # sanity check + final_count = len(daemons) + len(slots_to_add) - len(daemons_to_remove) + if service_type in ['mon', 'mgr'] and final_count < 1: + self.log.debug('cannot scale mon|mgr below 1)') + return False + + # progress + progress_id = str(uuid.uuid4()) + delta: List[str] = [] + if slots_to_add: + delta += [f'+{len(slots_to_add)}'] + if daemons_to_remove: + delta += [f'-{len(daemons_to_remove)}'] + progress_title = f'Updating {spec.service_name()} deployment ({" ".join(delta)} -> {len(all_slots)})' + progress_total = len(slots_to_add) + len(daemons_to_remove) + progress_done = 0 + + def update_progress() -> None: + self.mgr.remote( + 'progress', 'update', progress_id, + ev_msg=progress_title, + ev_progress=(progress_done / progress_total), + add_to_ceph_s=True, + ) + + if progress_total: + update_progress() + + # add any? + did_config = False + + self.log.debug('Hosts that will receive new daemons: %s' % slots_to_add) + self.log.debug('Daemons that will be removed: %s' % daemons_to_remove) + + try: + # assign names + for i in range(len(slots_to_add)): + slot = slots_to_add[i] + slot = slot.assign_name(self.mgr.get_unique_name( + slot.daemon_type, + slot.hostname, + [d for d in daemons if d not in daemons_to_remove], + prefix=spec.service_id, + forcename=slot.name, + rank=slot.rank, + rank_generation=slot.rank_generation, + )) + slots_to_add[i] = slot + if rank_map is not None: + assert slot.rank is not None + assert slot.rank_generation is not None + assert rank_map[slot.rank][slot.rank_generation] is None + rank_map[slot.rank][slot.rank_generation] = slot.name + + if rank_map: + # record the rank_map before we make changes so that if we fail the + # next mgr will clean up. + self.mgr.spec_store.save_rank_map(spec.service_name(), rank_map) + + # remove daemons now, since we are going to fence them anyway + for d in daemons_to_remove: + assert d.hostname is not None + self._remove_daemon(d.name(), d.hostname) + daemons_to_remove = [] + + # fence them + svc.fence_old_ranks(spec, rank_map, len(all_slots)) + + # create daemons + daemon_place_fails = [] + for slot in slots_to_add: + # first remove daemon with conflicting port or name? + if slot.ports or slot.name in [d.name() for d in daemons_to_remove]: + for d in daemons_to_remove: + if ( + d.hostname != slot.hostname + or not (set(d.ports or []) & set(slot.ports)) + or (d.ip and slot.ip and d.ip != slot.ip) + and d.name() != slot.name + ): + continue + if d.name() != slot.name: + self.log.info( + f'Removing {d.name()} before deploying to {slot} to avoid a port or conflict' + ) + # NOTE: we don't check ok-to-stop here to avoid starvation if + # there is only 1 gateway. + self._remove_daemon(d.name(), d.hostname) + daemons_to_remove.remove(d) + progress_done += 1 + break + + # deploy new daemon + daemon_id = slot.name + if not did_config: + svc.config(spec) + did_config = True + + daemon_spec = svc.make_daemon_spec( + slot.hostname, daemon_id, slot.network, spec, + daemon_type=slot.daemon_type, + ports=slot.ports, + ip=slot.ip, + rank=slot.rank, + rank_generation=slot.rank_generation, + ) + self.log.debug('Placing %s.%s on host %s' % ( + slot.daemon_type, daemon_id, slot.hostname)) + + try: + daemon_spec = svc.prepare_create(daemon_spec) + self._create_daemon(daemon_spec) + r = True + progress_done += 1 + update_progress() + except (RuntimeError, OrchestratorError) as e: + msg = (f"Failed while placing {slot.daemon_type}.{daemon_id} " + f"on {slot.hostname}: {e}") + self.mgr.events.for_service(spec, 'ERROR', msg) + self.mgr.log.error(msg) + daemon_place_fails.append(msg) + # only return "no change" if no one else has already succeeded. + # later successes will also change to True + if r is None: + r = False + progress_done += 1 + update_progress() + continue + + # add to daemon list so next name(s) will also be unique + sd = orchestrator.DaemonDescription( + hostname=slot.hostname, + daemon_type=slot.daemon_type, + daemon_id=daemon_id, + ) + daemons.append(sd) + + if daemon_place_fails: + self.mgr.set_health_warning('CEPHADM_DAEMON_PLACE_FAIL', f'Failed to place {len(daemon_place_fails)} daemon(s)', len(daemon_place_fails), daemon_place_fails) + + if service_type == 'mgr': + active_mgr = svc.get_active_daemon(self.mgr.cache.get_daemons_by_type('mgr')) + if active_mgr.daemon_id in [d.daemon_id for d in daemons_to_remove]: + # We can't just remove the active mgr like any other daemon. + # Need to fail over later so it can be removed on next pass. + # This can be accomplished by scheduling a restart of the active mgr. + self.mgr._schedule_daemon_action(active_mgr.name(), 'restart') + + # remove any? + def _ok_to_stop(remove_daemons: List[orchestrator.DaemonDescription]) -> bool: + daemon_ids = [d.daemon_id for d in remove_daemons] + assert None not in daemon_ids + # setting force flag retains previous behavior + r = svc.ok_to_stop(cast(List[str], daemon_ids), force=True) + return not r.retval + + while daemons_to_remove and not _ok_to_stop(daemons_to_remove): + # let's find a subset that is ok-to-stop + daemons_to_remove.pop() + for d in daemons_to_remove: + r = True + assert d.hostname is not None + self._remove_daemon(d.name(), d.hostname) + + progress_done += 1 + update_progress() + + self.mgr.remote('progress', 'complete', progress_id) + except Exception as e: + self.mgr.remote('progress', 'fail', progress_id, str(e)) + raise + + if r is None: + r = False + return r + + def _check_daemons(self) -> None: + self.log.debug('_check_daemons') + daemons = self.mgr.cache.get_daemons() + daemons_post: Dict[str, List[orchestrator.DaemonDescription]] = defaultdict(list) + for dd in daemons: + # orphan? + spec = self.mgr.spec_store.active_specs.get(dd.service_name(), None) + assert dd.hostname is not None + assert dd.daemon_type is not None + assert dd.daemon_id is not None + if not spec and dd.daemon_type not in ['mon', 'mgr', 'osd']: + # (mon and mgr specs should always exist; osds aren't matched + # to a service spec) + self.log.info('Removing orphan daemon %s...' % dd.name()) + self._remove_daemon(dd.name(), dd.hostname) + + # ignore unmanaged services + if spec and spec.unmanaged: + continue + + # ignore daemons for deleted services + if dd.service_name() in self.mgr.spec_store.spec_deleted: + continue + + # These daemon types require additional configs after creation + if dd.daemon_type in REQUIRES_POST_ACTIONS: + daemons_post[dd.daemon_type].append(dd) + + if self.mgr.cephadm_services[daemon_type_to_service(dd.daemon_type)].get_active_daemon( + self.mgr.cache.get_daemons_by_service(dd.service_name())).daemon_id == dd.daemon_id: + dd.is_active = True + else: + dd.is_active = False + + deps = self.mgr._calc_daemon_deps(spec, dd.daemon_type, dd.daemon_id) + last_deps, last_config = self.mgr.cache.get_daemon_last_config_deps( + dd.hostname, dd.name()) + if last_deps is None: + last_deps = [] + action = self.mgr.cache.get_scheduled_daemon_action(dd.hostname, dd.name()) + if not last_config: + self.log.info('Reconfiguring %s (unknown last config time)...' % ( + dd.name())) + action = 'reconfig' + elif last_deps != deps: + self.log.debug('%s deps %s -> %s' % (dd.name(), last_deps, + deps)) + self.log.info('Reconfiguring %s (dependencies changed)...' % ( + dd.name())) + action = 'reconfig' + elif spec is not None and hasattr(spec, 'extra_container_args') and dd.extra_container_args != spec.extra_container_args: + self.log.debug( + f'{dd.name()} container cli args {dd.extra_container_args} -> {spec.extra_container_args}') + self.log.info(f'Redeploying {dd.name()}, (container cli args changed) . . .') + dd.extra_container_args = spec.extra_container_args + action = 'redeploy' + elif self.mgr.last_monmap and \ + self.mgr.last_monmap > last_config and \ + dd.daemon_type in CEPH_TYPES: + self.log.info('Reconfiguring %s (monmap changed)...' % dd.name()) + action = 'reconfig' + elif self.mgr.extra_ceph_conf_is_newer(last_config) and \ + dd.daemon_type in CEPH_TYPES: + self.log.info('Reconfiguring %s (extra config changed)...' % dd.name()) + action = 'reconfig' + if action: + if self.mgr.cache.get_scheduled_daemon_action(dd.hostname, dd.name()) == 'redeploy' \ + and action == 'reconfig': + action = 'redeploy' + try: + daemon_spec = CephadmDaemonDeploySpec.from_daemon_description(dd) + self.mgr._daemon_action(daemon_spec, action=action) + if self.mgr.cache.rm_scheduled_daemon_action(dd.hostname, dd.name()): + self.mgr.cache.save_host(dd.hostname) + except OrchestratorError as e: + self.mgr.events.from_orch_error(e) + if dd.daemon_type in daemons_post: + del daemons_post[dd.daemon_type] + # continue... + except Exception as e: + self.mgr.events.for_daemon_from_exception(dd.name(), e) + if dd.daemon_type in daemons_post: + del daemons_post[dd.daemon_type] + # continue... + + # do daemon post actions + for daemon_type, daemon_descs in daemons_post.items(): + run_post = False + for d in daemon_descs: + if d.name() in self.mgr.requires_post_actions: + self.mgr.requires_post_actions.remove(d.name()) + run_post = True + if run_post: + self.mgr._get_cephadm_service(daemon_type_to_service( + daemon_type)).daemon_check_post(daemon_descs) + + def _purge_deleted_services(self) -> None: + self.log.debug('_purge_deleted_services') + existing_services = self.mgr.spec_store.all_specs.items() + for service_name, spec in list(existing_services): + if service_name not in self.mgr.spec_store.spec_deleted: + continue + if self.mgr.cache.get_daemons_by_service(service_name): + continue + if spec.service_type in ['mon', 'mgr']: + continue + + logger.info(f'Purge service {service_name}') + + self.mgr.cephadm_services[spec.service_type].purge(service_name) + self.mgr.spec_store.finally_rm(service_name) + + def convert_tags_to_repo_digest(self) -> None: + if not self.mgr.use_repo_digest: + return + settings = self.mgr.upgrade.get_distinct_container_image_settings() + digests: Dict[str, ContainerInspectInfo] = {} + for container_image_ref in set(settings.values()): + if not is_repo_digest(container_image_ref): + image_info = self._get_container_image_info(container_image_ref) + if image_info.repo_digests: + # FIXME: we assume the first digest here is the best + assert is_repo_digest(image_info.repo_digests[0]), image_info + digests[container_image_ref] = image_info + + for entity, container_image_ref in settings.items(): + if not is_repo_digest(container_image_ref): + image_info = digests[container_image_ref] + if image_info.repo_digests: + # FIXME: we assume the first digest here is the best + self.mgr.set_container_image(entity, image_info.repo_digests[0]) + + def _calc_client_files(self) -> Dict[str, Dict[str, Tuple[int, int, int, bytes, str]]]: + # host -> path -> (mode, uid, gid, content, digest) + client_files: Dict[str, Dict[str, Tuple[int, int, int, bytes, str]]] = {} + + # ceph.conf + config = self.mgr.get_minimal_ceph_conf().encode('utf-8') + config_digest = ''.join('%02x' % c for c in hashlib.sha256(config).digest()) + + if self.mgr.manage_etc_ceph_ceph_conf: + try: + pspec = PlacementSpec.from_string(self.mgr.manage_etc_ceph_ceph_conf_hosts) + ha = HostAssignment( + spec=ServiceSpec('mon', placement=pspec), + hosts=self.mgr._schedulable_hosts(), + unreachable_hosts=self.mgr._unreachable_hosts(), + daemons=[], + networks=self.mgr.cache.networks, + ) + all_slots, _, _ = ha.place() + for host in {s.hostname for s in all_slots}: + if host not in client_files: + client_files[host] = {} + client_files[host]['/etc/ceph/ceph.conf'] = ( + 0o644, 0, 0, bytes(config), str(config_digest) + ) + except Exception as e: + self.mgr.log.warning( + f'unable to calc conf hosts: {self.mgr.manage_etc_ceph_ceph_conf_hosts}: {e}') + + # client keyrings + for ks in self.mgr.keys.keys.values(): + try: + ret, keyring, err = self.mgr.mon_command({ + 'prefix': 'auth get', + 'entity': ks.entity, + }) + if ret: + self.log.warning(f'unable to fetch keyring for {ks.entity}') + continue + digest = ''.join('%02x' % c for c in hashlib.sha256( + keyring.encode('utf-8')).digest()) + ha = HostAssignment( + spec=ServiceSpec('mon', placement=ks.placement), + hosts=self.mgr._schedulable_hosts(), + unreachable_hosts=self.mgr._unreachable_hosts(), + daemons=[], + networks=self.mgr.cache.networks, + ) + all_slots, _, _ = ha.place() + for host in {s.hostname for s in all_slots}: + if host not in client_files: + client_files[host] = {} + client_files[host]['/etc/ceph/ceph.conf'] = ( + 0o644, 0, 0, bytes(config), str(config_digest) + ) + client_files[host][ks.path] = ( + ks.mode, ks.uid, ks.gid, keyring.encode('utf-8'), digest + ) + except Exception as e: + self.log.warning( + f'unable to calc client keyring {ks.entity} placement {ks.placement}: {e}') + return client_files + + def _write_client_files(self, + client_files: Dict[str, Dict[str, Tuple[int, int, int, bytes, str]]], + host: str) -> None: + updated_files = False + old_files = self.mgr.cache.get_host_client_files(host).copy() + for path, m in client_files.get(host, {}).items(): + mode, uid, gid, content, digest = m + if path in old_files: + match = old_files[path] == (digest, mode, uid, gid) + del old_files[path] + if match: + continue + self.log.info(f'Updating {host}:{path}') + self._write_remote_file(host, path, content, mode, uid, gid) + self.mgr.cache.update_client_file(host, path, digest, mode, uid, gid) + updated_files = True + for path in old_files.keys(): + if path == '/etc/ceph/ceph.conf': + continue + self.log.info(f'Removing {host}:{path}') + with self._remote_connection(host) as tpl: + conn, connr = tpl + out, err, code = remoto.process.check( + conn, + ['rm', '-f', path]) + updated_files = True + self.mgr.cache.removed_client_file(host, path) + if updated_files: + self.mgr.cache.save_host(host) + + def _create_daemon(self, + daemon_spec: CephadmDaemonDeploySpec, + reconfig: bool = False, + osd_uuid_map: Optional[Dict[str, Any]] = None, + ) -> str: + + with set_exception_subject('service', orchestrator.DaemonDescription( + daemon_type=daemon_spec.daemon_type, + daemon_id=daemon_spec.daemon_id, + hostname=daemon_spec.host, + ).service_id(), overwrite=True): + + try: + image = '' + start_time = datetime_now() + ports: List[int] = daemon_spec.ports if daemon_spec.ports else [] + + if daemon_spec.daemon_type == 'container': + spec = cast(CustomContainerSpec, + self.mgr.spec_store[daemon_spec.service_name].spec) + image = spec.image + if spec.ports: + ports.extend(spec.ports) + + if daemon_spec.daemon_type == 'cephadm-exporter': + if not reconfig: + assert daemon_spec.host + self._deploy_cephadm_binary(daemon_spec.host) + + # TCP port to open in the host firewall + if len(ports) > 0: + daemon_spec.extra_args.extend([ + '--tcp-ports', ' '.join(map(str, ports)) + ]) + + # osd deployments needs an --osd-uuid arg + if daemon_spec.daemon_type == 'osd': + if not osd_uuid_map: + osd_uuid_map = self.mgr.get_osd_uuid_map() + osd_uuid = osd_uuid_map.get(daemon_spec.daemon_id) + if not osd_uuid: + raise OrchestratorError('osd.%s not in osdmap' % daemon_spec.daemon_id) + daemon_spec.extra_args.extend(['--osd-fsid', osd_uuid]) + + if reconfig: + daemon_spec.extra_args.append('--reconfig') + if self.mgr.allow_ptrace: + daemon_spec.extra_args.append('--allow-ptrace') + + try: + eca = daemon_spec.extra_container_args + if eca: + for a in eca: + daemon_spec.extra_args.append(f'--extra-container-args={a}') + except AttributeError: + eca = None + + if self.mgr.cache.host_needs_registry_login(daemon_spec.host) and self.mgr.registry_url: + self._registry_login(daemon_spec.host, + json.loads(str(self.mgr.get_store('registry_credentials')))) + + self.log.info('%s daemon %s on %s' % ( + 'Reconfiguring' if reconfig else 'Deploying', + daemon_spec.name(), daemon_spec.host)) + + out, err, code = self._run_cephadm( + daemon_spec.host, daemon_spec.name(), 'deploy', + [ + '--name', daemon_spec.name(), + '--meta-json', json.dumps({ + 'service_name': daemon_spec.service_name, + 'ports': daemon_spec.ports, + 'ip': daemon_spec.ip, + 'deployed_by': self.mgr.get_active_mgr_digests(), + 'rank': daemon_spec.rank, + 'rank_generation': daemon_spec.rank_generation, + 'extra_container_args': eca + }), + '--config-json', '-', + ] + daemon_spec.extra_args, + stdin=json.dumps(daemon_spec.final_config), + image=image, + ) + + # refresh daemon state? (ceph daemon reconfig does not need it) + if not reconfig or daemon_spec.daemon_type not in CEPH_TYPES: + if not code and daemon_spec.host in self.mgr.cache.daemons: + # prime cached service state with what we (should have) + # just created + sd = daemon_spec.to_daemon_description( + DaemonDescriptionStatus.starting, 'starting') + self.mgr.cache.add_daemon(daemon_spec.host, sd) + if daemon_spec.daemon_type in REQUIRES_POST_ACTIONS: + self.mgr.requires_post_actions.add(daemon_spec.name()) + self.mgr.cache.invalidate_host_daemons(daemon_spec.host) + + self.mgr.cache.update_daemon_config_deps( + daemon_spec.host, daemon_spec.name(), daemon_spec.deps, start_time) + self.mgr.cache.save_host(daemon_spec.host) + msg = "{} {} on host '{}'".format( + 'Reconfigured' if reconfig else 'Deployed', daemon_spec.name(), daemon_spec.host) + if not code: + self.mgr.events.for_daemon(daemon_spec.name(), OrchestratorEvent.INFO, msg) + else: + what = 'reconfigure' if reconfig else 'deploy' + self.mgr.events.for_daemon( + daemon_spec.name(), OrchestratorEvent.ERROR, f'Failed to {what}: {err}') + return msg + except OrchestratorError: + redeploy = daemon_spec.name() in self.mgr.cache.get_daemon_names() + if not reconfig and not redeploy: + # we have to clean up the daemon. E.g. keyrings. + servict_type = daemon_type_to_service(daemon_spec.daemon_type) + dd = daemon_spec.to_daemon_description(DaemonDescriptionStatus.error, 'failed') + self.mgr.cephadm_services[servict_type].post_remove(dd, is_failed_deploy=True) + raise + + def _remove_daemon(self, name: str, host: str, no_post_remove: bool = False) -> str: + """ + Remove a daemon + """ + (daemon_type, daemon_id) = name.split('.', 1) + daemon = orchestrator.DaemonDescription( + daemon_type=daemon_type, + daemon_id=daemon_id, + hostname=host) + + with set_exception_subject('service', daemon.service_id(), overwrite=True): + + self.mgr.cephadm_services[daemon_type_to_service(daemon_type)].pre_remove(daemon) + # NOTE: we are passing the 'force' flag here, which means + # we can delete a mon instances data. + dd = self.mgr.cache.get_daemon(daemon.daemon_name) + if dd.ports: + args = ['--name', name, '--force', '--tcp-ports', ' '.join(map(str, dd.ports))] + else: + args = ['--name', name, '--force'] + + self.log.info('Removing daemon %s from %s -- ports %s' % (name, host, dd.ports)) + out, err, code = self._run_cephadm( + host, name, 'rm-daemon', args) + if not code: + # remove item from cache + self.mgr.cache.rm_daemon(host, name) + self.mgr.cache.invalidate_host_daemons(host) + + if not no_post_remove: + self.mgr.cephadm_services[daemon_type_to_service( + daemon_type)].post_remove(daemon, is_failed_deploy=False) + + return "Removed {} from host '{}'".format(name, host) + + def _run_cephadm_json(self, + host: str, + entity: Union[CephadmNoImage, str], + command: str, + args: List[str], + no_fsid: Optional[bool] = False, + image: Optional[str] = "", + ) -> Any: + try: + out, err, code = self._run_cephadm( + host, entity, command, args, no_fsid=no_fsid, image=image) + if code: + raise OrchestratorError(f'host {host} `cephadm {command}` returned {code}: {err}') + except Exception as e: + raise OrchestratorError(f'host {host} `cephadm {command}` failed: {e}') + try: + return json.loads(''.join(out)) + except (ValueError, KeyError): + msg = f'host {host} `cephadm {command}` failed: Cannot decode JSON' + self.log.exception(f'{msg}: {"".join(out)}') + raise OrchestratorError(msg) + + def _run_cephadm(self, + host: str, + entity: Union[CephadmNoImage, str], + command: str, + args: List[str], + addr: Optional[str] = "", + stdin: Optional[str] = "", + no_fsid: Optional[bool] = False, + error_ok: Optional[bool] = False, + image: Optional[str] = "", + env_vars: Optional[List[str]] = None, + ) -> Tuple[List[str], List[str], int]: + """ + Run cephadm on the remote host with the given command + args + + Important: You probably don't want to run _run_cephadm from CLI handlers + + :env_vars: in format -> [KEY=VALUE, ..] + """ + self.log.debug(f"_run_cephadm : command = {command}") + self.log.debug(f"_run_cephadm : args = {args}") + + bypass_image = ('cephadm-exporter',) + + with self._remote_connection(host, addr) as tpl: + conn, connr = tpl + assert image or entity + # Skip the image check for daemons deployed that are not ceph containers + if not str(entity).startswith(bypass_image): + if not image and entity is not cephadmNoImage: + image = self.mgr._get_container_image(entity) + + final_args = [] + + # global args + if env_vars: + for env_var_pair in env_vars: + final_args.extend(['--env', env_var_pair]) + + if image: + final_args.extend(['--image', image]) + + if not self.mgr.container_init: + final_args += ['--no-container-init'] + + # subcommand + final_args.append(command) + + # subcommand args + if not no_fsid: + final_args += ['--fsid', self.mgr._cluster_fsid] + + final_args += args + + # exec + self.log.debug('args: %s' % (' '.join(final_args))) + if self.mgr.mode == 'root': + if stdin: + self.log.debug('stdin: %s' % stdin) + + try: + # if host has gone offline this is likely where we'll fail first + python = connr.choose_python() + except RuntimeError as e: + self.mgr.offline_hosts.add(host) + self.mgr._reset_con(host) + if error_ok: + return [], [str(e)], 1 + raise + if not python: + raise RuntimeError( + 'unable to find python on %s (tried %s in %s)' % ( + host, remotes.PYTHONS, remotes.PATH)) + try: + out, err, code = remoto.process.check( + conn, + [python, self.mgr.cephadm_binary_path] + final_args, + stdin=stdin.encode('utf-8') if stdin is not None else None) + if code == 2: + out_ls, err_ls, code_ls = remoto.process.check( + conn, ['ls', self.mgr.cephadm_binary_path]) + if code_ls == 2: + self._deploy_cephadm_binary_conn(conn, host) + out, err, code = remoto.process.check( + conn, + [python, self.mgr.cephadm_binary_path] + final_args, + stdin=stdin.encode('utf-8') if stdin is not None else None) + + except RuntimeError as e: + self.mgr._reset_con(host) + if error_ok: + return [], [str(e)], 1 + raise + + elif self.mgr.mode == 'cephadm-package': + try: + out, err, code = remoto.process.check( + conn, + ['sudo', '/usr/bin/cephadm'] + final_args, + stdin=stdin) + except RuntimeError as e: + self.mgr._reset_con(host) + if error_ok: + return [], [str(e)], 1 + raise + else: + assert False, 'unsupported mode' + + self.log.debug('code: %d' % code) + if out: + self.log.debug('out: %s' % '\n'.join(out)) + if err: + self.log.debug('err: %s' % '\n'.join(err)) + if code and not error_ok: + raise OrchestratorError( + 'cephadm exited with an error code: %d, stderr:%s' % ( + code, '\n'.join(err))) + return out, err, code + + def _get_container_image_info(self, image_name: str) -> ContainerInspectInfo: + # pick a random host... + host = None + for host_name in self.mgr.inventory.keys(): + host = host_name + break + if not host: + raise OrchestratorError('no hosts defined') + if self.mgr.cache.host_needs_registry_login(host) and self.mgr.registry_url: + self._registry_login(host, + json.loads(str(self.mgr.get_store('registry_credentials')))) + + pullargs: List[str] = [] + if self.mgr.registry_insecure: + pullargs.append("--insecure") + + j = self._run_cephadm_json(host, '', 'pull', pullargs, image=image_name, no_fsid=True) + + r = ContainerInspectInfo( + j['image_id'], + j.get('ceph_version'), + j.get('repo_digests') + ) + self.log.debug(f'image {image_name} -> {r}') + return r + + # function responsible for logging single host into custom registry + def _registry_login(self, host: str, registry_json: Dict[str, str]) -> Optional[str]: + self.log.debug( + f"Attempting to log host {host} into custom registry @ {registry_json['url']}") + # want to pass info over stdin rather than through normal list of args + out, err, code = self._run_cephadm( + host, 'mon', 'registry-login', + ['--registry-json', '-'], stdin=json.dumps(registry_json), error_ok=True) + if code: + return f"Host {host} failed to login to {registry_json['url']} as {registry_json['username']} with given password" + return None + + def _deploy_cephadm_binary(self, host: str) -> None: + # Use tee (from coreutils) to create a copy of cephadm on the target machine + self.log.info(f"Deploying cephadm binary to {host}") + with self._remote_connection(host) as tpl: + conn, _connr = tpl + return self._deploy_cephadm_binary_conn(conn, host) + + def _deploy_cephadm_binary_conn(self, conn: "BaseConnection", host: str) -> None: + _out, _err, code = remoto.process.check( + conn, + ['mkdir', '-p', f'/var/lib/ceph/{self.mgr._cluster_fsid}']) + if code: + msg = f"Unable to deploy the cephadm binary to {host}: {_err}" + self.log.warning(msg) + raise OrchestratorError(msg) + _out, _err, code = remoto.process.check( + conn, + ['tee', '-', self.mgr.cephadm_binary_path], + stdin=self.mgr._cephadm.encode('utf-8')) + if code: + msg = f"Unable to deploy the cephadm binary to {host}: {_err}" + self.log.warning(msg) + raise OrchestratorError(msg) + + def _write_remote_file(self, + host: str, + path: str, + content: bytes, + mode: int, + uid: int, + gid: int) -> None: + with self._remote_connection(host) as tpl: + conn, connr = tpl + try: + errmsg = connr.write_file(path, content, mode, uid, gid) + if errmsg is not None: + raise OrchestratorError(errmsg) + except Exception as e: + msg = f"Unable to write {host}:{path}: {e}" + self.log.warning(msg) + raise OrchestratorError(msg) + + @contextmanager + def _remote_connection(self, + host: str, + addr: Optional[str] = None, + ) -> Iterator[Tuple["BaseConnection", Any]]: + if not addr and host in self.mgr.inventory: + addr = self.mgr.inventory.get_addr(host) + + self.mgr.offline_hosts_remove(host) + + try: + try: + if not addr: + raise OrchestratorError("host address is empty") + conn, connr = self.mgr._get_connection(addr) + except OSError as e: + self.mgr._reset_con(host) + msg = f"Can't communicate with remote host `{addr}`, possibly because python3 is not installed there: {str(e)}" + raise execnet.gateway_bootstrap.HostNotFound(msg) + + yield (conn, connr) + + except execnet.gateway_bootstrap.HostNotFound as e: + # this is a misleading exception as it seems to be thrown for + # any sort of connection failure, even those having nothing to + # do with "host not found" (e.g., ssh key permission denied). + self.mgr.offline_hosts.add(host) + self.mgr._reset_con(host) + + user = self.mgr.ssh_user if self.mgr.mode == 'root' else 'cephadm' + if str(e).startswith("Can't communicate"): + msg = str(e) + else: + msg = f'''Failed to connect to {host} ({addr}). +Please make sure that the host is reachable and accepts connections using the cephadm SSH key + +To add the cephadm SSH key to the host: +> ceph cephadm get-pub-key > ~/ceph.pub +> ssh-copy-id -f -i ~/ceph.pub {user}@{addr} + +To check that the host is reachable open a new shell with the --no-hosts flag: +> cephadm shell --no-hosts + +Then run the following: +> ceph cephadm get-ssh-config > ssh_config +> ceph config-key get mgr/cephadm/ssh_identity_key > ~/cephadm_private_key +> chmod 0600 ~/cephadm_private_key +> ssh -F ssh_config -i ~/cephadm_private_key {user}@{addr}''' + raise OrchestratorError(msg) from e + except Exception as ex: + self.log.exception(ex) + raise |