ceph/qa/tasks/ceph_deploy.py

   1 """
   2 Execute ceph-deploy as a task
   3 """
   4 from cStringIO import StringIO
   5
   6 import contextlib
   7 import os
   8 import time
   9 import logging
  10 import traceback
  11
  12 from teuthology import misc as teuthology
  13 from teuthology import contextutil
  14 from teuthology.config import config as teuth_config
  15 from teuthology.task import install as install_fn
  16 from teuthology.orchestra import run
  17 from tasks.cephfs.filesystem import Filesystem
  18
  19 log = logging.getLogger(__name__)
  20
  21
  22 @contextlib.contextmanager
  23 def download_ceph_deploy(ctx, config):
  24     """
  25     Downloads ceph-deploy from the ceph.com git mirror and (by default)
  26     switches to the master branch. If the `ceph-deploy-branch` is specified, it
  27     will use that instead. The `bootstrap` script is ran, with the argument
  28     obtained from `python_version`, if specified.
  29     """
  30     ceph_admin = ctx.cluster.only(teuthology.get_first_mon(ctx, config))
  31
  32     try:
  33         py_ver = str(config['python_version'])
  34     except KeyError:
  35         pass
  36     else:
  37         supported_versions = ['2', '3']
  38         if py_ver not in supported_versions:
  39             raise ValueError("python_version must be: {}, not {}".format(
  40                 ' or '.join(supported_versions), py_ver
  41             ))
  42
  43         log.info("Installing Python")
  44         for admin in ceph_admin.remotes:
  45             system_type = teuthology.get_system_type(admin)
  46
  47         if system_type == 'rpm':
  48             package = 'python34' if py_ver == '3' else 'python'
  49             ctx.cluster.run(args=[
  50                 'sudo', 'yum', '-y', 'install',
  51                 package, 'python-virtualenv'
  52             ])
  53         else:
  54             package = 'python3' if py_ver == '3' else 'python'
  55             ctx.cluster.run(args=[
  56                 'sudo', 'apt-get', '-y', '--force-yes', 'install',
  57                 package, 'python-virtualenv'
  58             ])
  59
  60     log.info('Downloading ceph-deploy...')
  61     testdir = teuthology.get_testdir(ctx)
  62     ceph_deploy_branch = config.get('ceph-deploy-branch', 'master')
  63
  64     ceph_admin.run(
  65         args=[
  66             'git', 'clone', '-b', ceph_deploy_branch,
  67             teuth_config.ceph_git_base_url + 'ceph-deploy.git',
  68             '{tdir}/ceph-deploy'.format(tdir=testdir),
  69         ],
  70     )
  71     args = [
  72         'cd',
  73         '{tdir}/ceph-deploy'.format(tdir=testdir),
  74         run.Raw('&&'),
  75         './bootstrap',
  76     ]
  77     try:
  78         args.append(str(config['python_version']))
  79     except KeyError:
  80         pass
  81     ceph_admin.run(args=args)
  82
  83     try:
  84         yield
  85     finally:
  86         log.info('Removing ceph-deploy ...')
  87         ceph_admin.run(
  88             args=[
  89                 'rm',
  90                 '-rf',
  91                 '{tdir}/ceph-deploy'.format(tdir=testdir),
  92             ],
  93         )
  94
  95
  96 def is_healthy(ctx, config):
  97     """Wait until a Ceph cluster is healthy."""
  98     testdir = teuthology.get_testdir(ctx)
  99     ceph_admin = teuthology.get_first_mon(ctx, config)
 100     (remote,) = ctx.cluster.only(ceph_admin).remotes.keys()
 101     max_tries = 90  # 90 tries * 10 secs --> 15 minutes
 102     tries = 0
 103     while True:
 104         tries += 1
 105         if tries >= max_tries:
 106             msg = "ceph health was unable to get 'HEALTH_OK' after waiting 15 minutes"
 107             remote.run(
 108                 args=[
 109                     'cd',
 110                     '{tdir}'.format(tdir=testdir),
 111                     run.Raw('&&'),
 112                     'sudo', 'ceph',
 113                     'report',
 114                 ],
 115             )
 116             raise RuntimeError(msg)
 117
 118         r = remote.run(
 119             args=[
 120                 'cd',
 121                 '{tdir}'.format(tdir=testdir),
 122                 run.Raw('&&'),
 123                 'sudo', 'ceph',
 124                 'health',
 125             ],
 126             stdout=StringIO(),
 127             logger=log.getChild('health'),
 128         )
 129         out = r.stdout.getvalue()
 130         log.info('Ceph health: %s', out.rstrip('\n'))
 131         if out.split(None, 1)[0] == 'HEALTH_OK':
 132             break
 133         time.sleep(10)
 134
 135
 136 def get_nodes_using_role(ctx, target_role):
 137     """
 138     Extract the names of nodes that match a given role from a cluster, and modify the
 139     cluster's service IDs to match the resulting node-based naming scheme that ceph-deploy
 140     uses, such that if "mon.a" is on host "foo23", it'll be renamed to "mon.foo23".
 141     """
 142
 143     # Nodes containing a service of the specified role
 144     nodes_of_interest = []
 145
 146     # Prepare a modified version of cluster.remotes with ceph-deploy-ized names
 147     modified_remotes = {}
 148
 149     for _remote, roles_for_host in ctx.cluster.remotes.iteritems():
 150         modified_remotes[_remote] = []
 151         for svc_id in roles_for_host:
 152             if svc_id.startswith("{0}.".format(target_role)):
 153                 fqdn = str(_remote).split('@')[-1]
 154                 nodename = str(str(_remote).split('.')[0]).split('@')[1]
 155                 if target_role == 'mon':
 156                     nodes_of_interest.append(fqdn)
 157                 else:
 158                     nodes_of_interest.append(nodename)
 159
 160                 modified_remotes[_remote].append(
 161                     "{0}.{1}".format(target_role, nodename))
 162             else:
 163                 modified_remotes[_remote].append(svc_id)
 164
 165     ctx.cluster.remotes = modified_remotes
 166
 167     return nodes_of_interest
 168
 169
 170 def get_dev_for_osd(ctx, config):
 171     """Get a list of all osd device names."""
 172     osd_devs = []
 173     for remote, roles_for_host in ctx.cluster.remotes.iteritems():
 174         host = remote.name.split('@')[-1]
 175         shortname = host.split('.')[0]
 176         devs = teuthology.get_scratch_devices(remote)
 177         num_osd_per_host = list(
 178             teuthology.roles_of_type(
 179                 roles_for_host, 'osd'))
 180         num_osds = len(num_osd_per_host)
 181         if config.get('separate_journal_disk') is not None:
 182             num_devs_reqd = 2 * num_osds
 183             assert num_devs_reqd <= len(
 184                 devs), 'fewer data and journal disks than required ' + shortname
 185             for dindex in range(0, num_devs_reqd, 2):
 186                 jd_index = dindex + 1
 187                 dev_short = devs[dindex].split('/')[-1]
 188                 jdev_short = devs[jd_index].split('/')[-1]
 189                 osd_devs.append((shortname, dev_short, jdev_short))
 190         else:
 191             assert num_osds <= len(devs), 'fewer disks than osds ' + shortname
 192             for dev in devs[:num_osds]:
 193                 dev_short = dev.split('/')[-1]
 194                 osd_devs.append((shortname, dev_short))
 195     return osd_devs
 196
 197
 198 def get_all_nodes(ctx, config):
 199     """Return a string of node names separated by blanks"""
 200     nodelist = []
 201     for t, k in ctx.config['targets'].iteritems():
 202         host = t.split('@')[-1]
 203         simple_host = host.split('.')[0]
 204         nodelist.append(simple_host)
 205     nodelist = " ".join(nodelist)
 206     return nodelist
 207
 208
 209 @contextlib.contextmanager
 210 def build_ceph_cluster(ctx, config):
 211     """Build a ceph cluster"""
 212
 213     # Expect to find ceph_admin on the first mon by ID, same place that the download task
 214     # puts it.  Remember this here, because subsequently IDs will change from those in
 215     # the test config to those that ceph-deploy invents.
 216     (ceph_admin,) = ctx.cluster.only(
 217         teuthology.get_first_mon(ctx, config)).remotes.iterkeys()
 218
 219     def execute_ceph_deploy(cmd):
 220         """Remotely execute a ceph_deploy command"""
 221         return ceph_admin.run(
 222             args=[
 223                 'cd',
 224                 '{tdir}/ceph-deploy'.format(tdir=testdir),
 225                 run.Raw('&&'),
 226                 run.Raw(cmd),
 227             ],
 228             check_status=False,
 229         ).exitstatus
 230
 231     try:
 232         log.info('Building ceph cluster using ceph-deploy...')
 233         testdir = teuthology.get_testdir(ctx)
 234         ceph_branch = None
 235         if config.get('branch') is not None:
 236             cbranch = config.get('branch')
 237             for var, val in cbranch.iteritems():
 238                 ceph_branch = '--{var}={val}'.format(var=var, val=val)
 239         all_nodes = get_all_nodes(ctx, config)
 240         mds_nodes = get_nodes_using_role(ctx, 'mds')
 241         mds_nodes = " ".join(mds_nodes)
 242         mon_node = get_nodes_using_role(ctx, 'mon')
 243         mon_nodes = " ".join(mon_node)
 244         mgr_nodes = get_nodes_using_role(ctx, 'mgr')
 245         mgr_nodes = " ".join(mgr_nodes)
 246         new_mon = './ceph-deploy new' + " " + mon_nodes
 247         mgr_create = './ceph-deploy mgr create' + " " + mgr_nodes
 248         mon_hostname = mon_nodes.split(' ')[0]
 249         mon_hostname = str(mon_hostname)
 250         gather_keys = './ceph-deploy gatherkeys' + " " + mon_hostname
 251         deploy_mds = './ceph-deploy mds create' + " " + mds_nodes
 252         no_of_osds = 0
 253
 254         if mon_nodes is None:
 255             raise RuntimeError("no monitor nodes in the config file")
 256
 257         estatus_new = execute_ceph_deploy(new_mon)
 258         if estatus_new != 0:
 259             raise RuntimeError("ceph-deploy: new command failed")
 260
 261         log.info('adding config inputs...')
 262         testdir = teuthology.get_testdir(ctx)
 263         conf_path = '{tdir}/ceph-deploy/ceph.conf'.format(tdir=testdir)
 264
 265         if config.get('conf') is not None:
 266             confp = config.get('conf')
 267             for section, keys in confp.iteritems():
 268                 lines = '[{section}]\n'.format(section=section)
 269                 teuthology.append_lines_to_file(ceph_admin, conf_path, lines,
 270                                                 sudo=True)
 271                 for key, value in keys.iteritems():
 272                     log.info("[%s] %s = %s" % (section, key, value))
 273                     lines = '{key} = {value}\n'.format(key=key, value=value)
 274                     teuthology.append_lines_to_file(
 275                         ceph_admin, conf_path, lines, sudo=True)
 276
 277         # install ceph
 278         dev_branch = ctx.config['branch']
 279         branch = '--dev={branch}'.format(branch=dev_branch)
 280         if ceph_branch:
 281             option = ceph_branch
 282         else:
 283             option = branch
 284         install_nodes = './ceph-deploy install ' + option + " " + all_nodes
 285         estatus_install = execute_ceph_deploy(install_nodes)
 286         if estatus_install != 0:
 287             raise RuntimeError("ceph-deploy: Failed to install ceph")
 288         # install ceph-test package too
 289         install_nodes2 = './ceph-deploy install --tests ' + option + \
 290                          " " + all_nodes
 291         estatus_install = execute_ceph_deploy(install_nodes2)
 292         if estatus_install != 0:
 293             raise RuntimeError("ceph-deploy: Failed to install ceph-test")
 294
 295         mon_create_nodes = './ceph-deploy mon create-initial'
 296         # If the following fails, it is OK, it might just be that the monitors
 297         # are taking way more than a minute/monitor to form quorum, so lets
 298         # try the next block which will wait up to 15 minutes to gatherkeys.
 299         execute_ceph_deploy(mon_create_nodes)
 300         execute_ceph_deploy(mgr_create)
 301
 302         # create-keys is explicit now
 303         # http://tracker.ceph.com/issues/16036
 304         mons = ctx.cluster.only(teuthology.is_type('mon'))
 305         for remote in mons.remotes.iterkeys():
 306             remote.run(args=['sudo', 'ceph-create-keys', '--cluster', 'ceph',
 307                              '--id', remote.shortname])
 308
 309         estatus_gather = execute_ceph_deploy(gather_keys)
 310         if mds_nodes:
 311             estatus_mds = execute_ceph_deploy(deploy_mds)
 312             if estatus_mds != 0:
 313                 raise RuntimeError("ceph-deploy: Failed to deploy mds")
 314
 315         if config.get('test_mon_destroy') is not None:
 316             for d in range(1, len(mon_node)):
 317                 mon_destroy_nodes = './ceph-deploy mon destroy' + \
 318                     " " + mon_node[d]
 319                 estatus_mon_d = execute_ceph_deploy(mon_destroy_nodes)
 320                 if estatus_mon_d != 0:
 321                     raise RuntimeError("ceph-deploy: Failed to delete monitor")
 322
 323         node_dev_list = get_dev_for_osd(ctx, config)
 324         for d in node_dev_list:
 325             node = d[0]
 326             for disk in d[1:]:
 327                 zap = './ceph-deploy disk zap ' + node + ':' + disk
 328                 estatus = execute_ceph_deploy(zap)
 329                 if estatus != 0:
 330                     raise RuntimeError("ceph-deploy: Failed to zap osds")
 331             osd_create_cmd = './ceph-deploy osd create '
 332             # first check for filestore, default is bluestore with ceph-deploy
 333             if config.get('filestore') is not None:
 334                 osd_create_cmd += '--filestore '
 335             else:
 336                 osd_create_cmd += '--bluestore '
 337             if config.get('dmcrypt') is not None:
 338                 osd_create_cmd += '--dmcrypt '
 339             osd_create_cmd += ":".join(d)
 340             estatus_osd = execute_ceph_deploy(osd_create_cmd)
 341             if estatus_osd == 0:
 342                 log.info('successfully created osd')
 343                 no_of_osds += 1
 344             else:
 345                 raise RuntimeError("ceph-deploy: Failed to create osds")
 346
 347         if config.get('wait-for-healthy', True) and no_of_osds >= 2:
 348             is_healthy(ctx=ctx, config=None)
 349
 350             log.info('Setting up client nodes...')
 351             conf_path = '/etc/ceph/ceph.conf'
 352             admin_keyring_path = '/etc/ceph/ceph.client.admin.keyring'
 353             first_mon = teuthology.get_first_mon(ctx, config)
 354             (mon0_remote,) = ctx.cluster.only(first_mon).remotes.keys()
 355             conf_data = teuthology.get_file(
 356                 remote=mon0_remote,
 357                 path=conf_path,
 358                 sudo=True,
 359             )
 360             admin_keyring = teuthology.get_file(
 361                 remote=mon0_remote,
 362                 path=admin_keyring_path,
 363                 sudo=True,
 364             )
 365
 366             clients = ctx.cluster.only(teuthology.is_type('client'))
 367             for remot, roles_for_host in clients.remotes.iteritems():
 368                 for id_ in teuthology.roles_of_type(roles_for_host, 'client'):
 369                     client_keyring = \
 370                         '/etc/ceph/ceph.client.{id}.keyring'.format(id=id_)
 371                     mon0_remote.run(
 372                         args=[
 373                             'cd',
 374                             '{tdir}'.format(tdir=testdir),
 375                             run.Raw('&&'),
 376                             'sudo', 'bash', '-c',
 377                             run.Raw('"'), 'ceph',
 378                             'auth',
 379                             'get-or-create',
 380                             'client.{id}'.format(id=id_),
 381                             'mds', 'allow',
 382                             'mon', 'allow *',
 383                             'osd', 'allow *',
 384                             run.Raw('>'),
 385                             client_keyring,
 386                             run.Raw('"'),
 387                         ],
 388                     )
 389                     key_data = teuthology.get_file(
 390                         remote=mon0_remote,
 391                         path=client_keyring,
 392                         sudo=True,
 393                     )
 394                     teuthology.sudo_write_file(
 395                         remote=remot,
 396                         path=client_keyring,
 397                         data=key_data,
 398                         perms='0644'
 399                     )
 400                     teuthology.sudo_write_file(
 401                         remote=remot,
 402                         path=admin_keyring_path,
 403                         data=admin_keyring,
 404                         perms='0644'
 405                     )
 406                     teuthology.sudo_write_file(
 407                         remote=remot,
 408                         path=conf_path,
 409                         data=conf_data,
 410                         perms='0644'
 411                     )
 412
 413             if mds_nodes:
 414                 log.info('Configuring CephFS...')
 415                 ceph_fs = Filesystem(ctx, create=True)
 416         elif not config.get('only_mon'):
 417             raise RuntimeError(
 418                 "The cluster is NOT operational due to insufficient OSDs")
 419         yield
 420
 421     except Exception:
 422         log.info(
 423             "Error encountered, logging exception before tearing down ceph-deploy")
 424         log.info(traceback.format_exc())
 425         raise
 426     finally:
 427         if config.get('keep_running'):
 428             return
 429         log.info('Stopping ceph...')
 430         ctx.cluster.run(args=['sudo', 'stop', 'ceph-all', run.Raw('||'),
 431                               'sudo', 'service', 'ceph', 'stop', run.Raw('||'),
 432                               'sudo', 'systemctl', 'stop', 'ceph.target'])
 433
 434         # Are you really not running anymore?
 435         # try first with the init tooling
 436         # ignoring the status so this becomes informational only
 437         ctx.cluster.run(
 438             args=[
 439                 'sudo', 'status', 'ceph-all', run.Raw('||'),
 440                 'sudo', 'service', 'ceph', 'status', run.Raw('||'),
 441                 'sudo', 'systemctl', 'status', 'ceph.target'],
 442             check_status=False)
 443
 444         # and now just check for the processes themselves, as if upstart/sysvinit
 445         # is lying to us. Ignore errors if the grep fails
 446         ctx.cluster.run(args=['sudo', 'ps', 'aux', run.Raw('|'),
 447                               'grep', '-v', 'grep', run.Raw('|'),
 448                               'grep', 'ceph'], check_status=False)
 449
 450         if ctx.archive is not None:
 451             # archive mon data, too
 452             log.info('Archiving mon data...')
 453             path = os.path.join(ctx.archive, 'data')
 454             os.makedirs(path)
 455             mons = ctx.cluster.only(teuthology.is_type('mon'))
 456             for remote, roles in mons.remotes.iteritems():
 457                 for role in roles:
 458                     if role.startswith('mon.'):
 459                         teuthology.pull_directory_tarball(
 460                             remote,
 461                             '/var/lib/ceph/mon',
 462                             path + '/' + role + '.tgz')
 463
 464             log.info('Compressing logs...')
 465             run.wait(
 466                 ctx.cluster.run(
 467                     args=[
 468                         'sudo',
 469                         'find',
 470                         '/var/log/ceph',
 471                         '-name',
 472                         '*.log',
 473                         '-print0',
 474                         run.Raw('|'),
 475                         'sudo',
 476                         'xargs',
 477                         '-0',
 478                         '--no-run-if-empty',
 479                         '--',
 480                         'gzip',
 481                         '--',
 482                     ],
 483                     wait=False,
 484                 ),
 485             )
 486
 487             log.info('Archiving logs...')
 488             path = os.path.join(ctx.archive, 'remote')
 489             os.makedirs(path)
 490             for remote in ctx.cluster.remotes.iterkeys():
 491                 sub = os.path.join(path, remote.shortname)
 492                 os.makedirs(sub)
 493                 teuthology.pull_directory(remote, '/var/log/ceph',
 494                                           os.path.join(sub, 'log'))
 495
 496         # Prevent these from being undefined if the try block fails
 497         all_nodes = get_all_nodes(ctx, config)
 498         purge_nodes = './ceph-deploy purge' + " " + all_nodes
 499         purgedata_nodes = './ceph-deploy purgedata' + " " + all_nodes
 500
 501         log.info('Purging package...')
 502         execute_ceph_deploy(purge_nodes)
 503         log.info('Purging data...')
 504         execute_ceph_deploy(purgedata_nodes)
 505
 506
 507 @contextlib.contextmanager
 508 def cli_test(ctx, config):
 509     """
 510      ceph-deploy cli to exercise most commonly use cli's and ensure
 511      all commands works and also startup the init system.
 512
 513     """
 514     log.info('Ceph-deploy Test')
 515     if config is None:
 516         config = {}
 517     test_branch = ''
 518     conf_dir = teuthology.get_testdir(ctx) + "/cdtest"
 519
 520     def execute_cdeploy(admin, cmd, path):
 521         """Execute ceph-deploy commands """
 522         """Either use git path or repo path """
 523         args = ['cd', conf_dir, run.Raw(';')]
 524         if path:
 525             args.append('{path}/ceph-deploy/ceph-deploy'.format(path=path));
 526         else:
 527             args.append('ceph-deploy')
 528         args.append(run.Raw(cmd))
 529         ec = admin.run(args=args, check_status=False).exitstatus
 530         if ec != 0:
 531             raise RuntimeError(
 532                 "failed during ceph-deploy cmd: {cmd} , ec={ec}".format(cmd=cmd, ec=ec))
 533
 534     if config.get('rhbuild'):
 535         path = None
 536     else:
 537         path = teuthology.get_testdir(ctx)
 538         # test on branch from config eg: wip-* , master or next etc
 539         # packages for all distro's should exist for wip*
 540         if ctx.config.get('branch'):
 541             branch = ctx.config.get('branch')
 542             test_branch = ' --dev={branch} '.format(branch=branch)
 543     mons = ctx.cluster.only(teuthology.is_type('mon'))
 544     for node, role in mons.remotes.iteritems():
 545         admin = node
 546         admin.run(args=['mkdir', conf_dir], check_status=False)
 547         nodename = admin.shortname
 548     system_type = teuthology.get_system_type(admin)
 549     if config.get('rhbuild'):
 550         admin.run(args=['sudo', 'yum', 'install', 'ceph-deploy', '-y'])
 551     log.info('system type is %s', system_type)
 552     osds = ctx.cluster.only(teuthology.is_type('osd'))
 553
 554     for remote, roles in osds.remotes.iteritems():
 555         devs = teuthology.get_scratch_devices(remote)
 556         log.info("roles %s", roles)
 557         if (len(devs) < 3):
 558             log.error(
 559                 'Test needs minimum of 3 devices, only found %s',
 560                 str(devs))
 561             raise RuntimeError("Needs minimum of 3 devices ")
 562
 563     conf_path = '{conf_dir}/ceph.conf'.format(conf_dir=conf_dir)
 564     new_cmd = 'new ' + nodename
 565     execute_cdeploy(admin, new_cmd, path)
 566     if config.get('conf') is not None:
 567         confp = config.get('conf')
 568         for section, keys in confp.iteritems():
 569             lines = '[{section}]\n'.format(section=section)
 570             teuthology.append_lines_to_file(admin, conf_path, lines,
 571                                             sudo=True)
 572             for key, value in keys.iteritems():
 573                 log.info("[%s] %s = %s" % (section, key, value))
 574                 lines = '{key} = {value}\n'.format(key=key, value=value)
 575                 teuthology.append_lines_to_file(admin, conf_path, lines,
 576                                                 sudo=True)
 577     new_mon_install = 'install {branch} --mon '.format(
 578         branch=test_branch) + nodename
 579     new_mgr_install = 'install {branch} --mgr '.format(
 580         branch=test_branch) + nodename
 581     new_osd_install = 'install {branch} --osd '.format(
 582         branch=test_branch) + nodename
 583     new_admin = 'install {branch} --cli '.format(branch=test_branch) + nodename
 584     create_initial = 'mon create-initial '
 585     # either use create-keys or push command
 586     push_keys = 'admin ' + nodename
 587     execute_cdeploy(admin, new_mon_install, path)
 588     execute_cdeploy(admin, new_mgr_install, path)
 589     execute_cdeploy(admin, new_osd_install, path)
 590     execute_cdeploy(admin, new_admin, path)
 591     execute_cdeploy(admin, create_initial, path)
 592     execute_cdeploy(admin, push_keys, path)
 593
 594     for i in range(3):
 595         zap_disk = 'disk zap ' + "{n}:{d}".format(n=nodename, d=devs[i])
 596         prepare = 'osd prepare ' + "{n}:{d}".format(n=nodename, d=devs[i])
 597         execute_cdeploy(admin, zap_disk, path)
 598         execute_cdeploy(admin, prepare, path)
 599
 600     log.info("list files for debugging purpose to check file permissions")
 601     admin.run(args=['ls', run.Raw('-lt'), conf_dir])
 602     remote.run(args=['sudo', 'ceph', '-s'], check_status=False)
 603     r = remote.run(args=['sudo', 'ceph', 'health'], stdout=StringIO())
 604     out = r.stdout.getvalue()
 605     log.info('Ceph health: %s', out.rstrip('\n'))
 606     log.info("Waiting for cluster to become healthy")
 607     with contextutil.safe_while(sleep=10, tries=6,
 608                                 action='check health') as proceed:
 609        while proceed():
 610            r = remote.run(args=['sudo', 'ceph', 'health'], stdout=StringIO())
 611            out = r.stdout.getvalue()
 612            if (out.split(None,1)[0] == 'HEALTH_OK'):
 613                break
 614     rgw_install = 'install {branch} --rgw {node}'.format(
 615         branch=test_branch,
 616         node=nodename,
 617     )
 618     rgw_create = 'rgw create ' + nodename
 619     execute_cdeploy(admin, rgw_install, path)
 620     execute_cdeploy(admin, rgw_create, path)
 621     log.info('All ceph-deploy cli tests passed')
 622     try:
 623         yield
 624     finally:
 625         log.info("cleaning up")
 626         ctx.cluster.run(args=['sudo', 'stop', 'ceph-all', run.Raw('||'),
 627                               'sudo', 'service', 'ceph', 'stop', run.Raw('||'),
 628                               'sudo', 'systemctl', 'stop', 'ceph.target'],
 629                         check_status=False)
 630         time.sleep(4)
 631         for i in range(3):
 632             umount_dev = "{d}1".format(d=devs[i])
 633             r = remote.run(args=['sudo', 'umount', run.Raw(umount_dev)])
 634         cmd = 'purge ' + nodename
 635         execute_cdeploy(admin, cmd, path)
 636         cmd = 'purgedata ' + nodename
 637         execute_cdeploy(admin, cmd, path)
 638         log.info("Removing temporary dir")
 639         admin.run(
 640             args=[
 641                 'rm',
 642                 run.Raw('-rf'),
 643                 run.Raw(conf_dir)],
 644             check_status=False)
 645         if config.get('rhbuild'):
 646             admin.run(args=['sudo', 'yum', 'remove', 'ceph-deploy', '-y'])
 647
 648
 649 @contextlib.contextmanager
 650 def single_node_test(ctx, config):
 651     """
 652     - ceph-deploy.single_node_test: null
 653
 654     #rhbuild testing
 655     - ceph-deploy.single_node_test:
 656         rhbuild: 1.2.3
 657
 658     """
 659     log.info("Testing ceph-deploy on single node")
 660     if config is None:
 661         config = {}
 662     overrides = ctx.config.get('overrides', {})
 663     teuthology.deep_merge(config, overrides.get('ceph-deploy', {}))
 664
 665     if config.get('rhbuild'):
 666         log.info("RH Build, Skip Download")
 667         with contextutil.nested(
 668             lambda: cli_test(ctx=ctx, config=config),
 669         ):
 670             yield
 671     else:
 672         with contextutil.nested(
 673             lambda: install_fn.ship_utilities(ctx=ctx, config=None),
 674             lambda: download_ceph_deploy(ctx=ctx, config=config),
 675             lambda: cli_test(ctx=ctx, config=config),
 676         ):
 677             yield
 678
 679
 680 @contextlib.contextmanager
 681 def task(ctx, config):
 682     """
 683     Set up and tear down a Ceph cluster.
 684
 685     For example::
 686
 687         tasks:
 688         - install:
 689              extras: yes
 690         - ssh_keys:
 691         - ceph-deploy:
 692              branch:
 693                 stable: bobtail
 694              mon_initial_members: 1
 695              only_mon: true
 696              keep_running: true
 697              # either choose bluestore or filestore, default is bluestore
 698              bluestore: True
 699              # or
 700              filestore: True
 701
 702         tasks:
 703         - install:
 704              extras: yes
 705         - ssh_keys:
 706         - ceph-deploy:
 707              branch:
 708                 dev: master
 709              conf:
 710                 mon:
 711                    debug mon = 20
 712
 713         tasks:
 714         - install:
 715              extras: yes
 716         - ssh_keys:
 717         - ceph-deploy:
 718              branch:
 719                 testing:
 720              dmcrypt: yes
 721              separate_journal_disk: yes
 722
 723     """
 724     if config is None:
 725         config = {}
 726
 727     assert isinstance(config, dict), \
 728         "task ceph-deploy only supports a dictionary for configuration"
 729
 730     overrides = ctx.config.get('overrides', {})
 731     teuthology.deep_merge(config, overrides.get('ceph-deploy', {}))
 732
 733     if config.get('branch') is not None:
 734         assert isinstance(
 735             config['branch'], dict), 'branch must be a dictionary'
 736
 737     log.info('task ceph-deploy with config ' + str(config))
 738
 739     with contextutil.nested(
 740         lambda: install_fn.ship_utilities(ctx=ctx, config=None),
 741         lambda: download_ceph_deploy(ctx=ctx, config=config),
 742         lambda: build_ceph_cluster(ctx=ctx, config=config),
 743     ):
 744         yield