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Diffstat (limited to 'src/ceph/qa/tasks/restart.py')
| -rw-r--r-- | src/ceph/qa/tasks/restart.py | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/ceph/qa/tasks/restart.py b/src/ceph/qa/tasks/restart.py new file mode 100644 index 0000000..697345a --- /dev/null +++ b/src/ceph/qa/tasks/restart.py @@ -0,0 +1,163 @@ +""" +Daemon restart +""" +import logging +import pipes + +from teuthology import misc as teuthology +from teuthology.orchestra import run as tor + +from teuthology.orchestra import run +log = logging.getLogger(__name__) + +def restart_daemon(ctx, config, role, id_, *args): + """ + Handle restart (including the execution of the command parameters passed) + """ + log.info('Restarting {r}.{i} daemon...'.format(r=role, i=id_)) + daemon = ctx.daemons.get_daemon(role, id_) + log.debug('Waiting for exit of {r}.{i} daemon...'.format(r=role, i=id_)) + try: + daemon.wait_for_exit() + except tor.CommandFailedError as e: + log.debug('Command Failed: {e}'.format(e=e)) + if len(args) > 0: + confargs = ['--{k}={v}'.format(k=k, v=v) for k,v in zip(args[0::2], args[1::2])] + log.debug('Doing restart of {r}.{i} daemon with args: {a}...'.format(r=role, i=id_, a=confargs)) + daemon.restart_with_args(confargs) + else: + log.debug('Doing restart of {r}.{i} daemon...'.format(r=role, i=id_)) + daemon.restart() + +def get_tests(ctx, config, role, remote, testdir): + """Download restart tests""" + srcdir = '{tdir}/restart.{role}'.format(tdir=testdir, role=role) + + refspec = config.get('branch') + if refspec is None: + refspec = config.get('sha1') + if refspec is None: + refspec = config.get('tag') + if refspec is None: + refspec = 'HEAD' + log.info('Pulling restart qa/workunits from ref %s', refspec) + + remote.run( + logger=log.getChild(role), + args=[ + 'mkdir', '--', srcdir, + run.Raw('&&'), + 'git', + 'archive', + '--remote=git://git.ceph.com/ceph.git', + '%s:qa/workunits' % refspec, + run.Raw('|'), + 'tar', + '-C', srcdir, + '-x', + '-f-', + run.Raw('&&'), + 'cd', '--', srcdir, + run.Raw('&&'), + 'if', 'test', '-e', 'Makefile', run.Raw(';'), 'then', 'make', run.Raw(';'), 'fi', + run.Raw('&&'), + 'find', '-executable', '-type', 'f', '-printf', r'%P\0'.format(srcdir=srcdir), + run.Raw('>{tdir}/restarts.list'.format(tdir=testdir)), + ], + ) + restarts = sorted(teuthology.get_file( + remote, + '{tdir}/restarts.list'.format(tdir=testdir)).split('\0')) + return (srcdir, restarts) + +def task(ctx, config): + """ + Execute commands and allow daemon restart with config options. + Each process executed can output to stdout restart commands of the form: + restart <role> <id> <conf_key1> <conf_value1> <conf_key2> <conf_value2> + This will restart the daemon <role>.<id> with the specified config values once + by modifying the conf file with those values, and then replacing the old conf file + once the daemon is restarted. + This task does not kill a running daemon, it assumes the daemon will abort on an + assert specified in the config. + + tasks: + - install: + - ceph: + - restart: + exec: + client.0: + - test_backtraces.py + + """ + assert isinstance(config, dict), "task kill got invalid config" + + testdir = teuthology.get_testdir(ctx) + + try: + assert 'exec' in config, "config requires exec key with <role>: <command> entries" + for role, task in config['exec'].iteritems(): + log.info('restart for role {r}'.format(r=role)) + (remote,) = ctx.cluster.only(role).remotes.iterkeys() + srcdir, restarts = get_tests(ctx, config, role, remote, testdir) + log.info('Running command on role %s host %s', role, remote.name) + spec = '{spec}'.format(spec=task[0]) + log.info('Restarts list: %s', restarts) + log.info('Spec is %s', spec) + to_run = [w for w in restarts if w == task or w.find(spec) != -1] + log.info('To run: %s', to_run) + for c in to_run: + log.info('Running restart script %s...', c) + args = [ + run.Raw('TESTDIR="{tdir}"'.format(tdir=testdir)), + ] + env = config.get('env') + if env is not None: + for var, val in env.iteritems(): + quoted_val = pipes.quote(val) + env_arg = '{var}={val}'.format(var=var, val=quoted_val) + args.append(run.Raw(env_arg)) + args.extend([ + 'adjust-ulimits', + 'ceph-coverage', + '{tdir}/archive/coverage'.format(tdir=testdir), + '{srcdir}/{c}'.format( + srcdir=srcdir, + c=c, + ), + ]) + proc = remote.run( + args=args, + stdout=tor.PIPE, + stdin=tor.PIPE, + stderr=log, + wait=False, + ) + log.info('waiting for a command from script') + while True: + l = proc.stdout.readline() + if not l or l == '': + break + log.debug('script command: {c}'.format(c=l)) + ll = l.strip() + cmd = ll.split(' ') + if cmd[0] == "done": + break + assert cmd[0] == 'restart', "script sent invalid command request to kill task" + # cmd should be: restart <role> <id> <conf_key1> <conf_value1> <conf_key2> <conf_value2> + # or to clear, just: restart <role> <id> + restart_daemon(ctx, config, cmd[1], cmd[2], *cmd[3:]) + proc.stdin.writelines(['restarted\n']) + proc.stdin.flush() + try: + proc.wait() + except tor.CommandFailedError: + raise Exception('restart task got non-zero exit status from script: {s}'.format(s=c)) + finally: + log.info('Finishing %s on %s...', task, role) + remote.run( + logger=log.getChild(role), + args=[ + 'rm', '-rf', '--', '{tdir}/restarts.list'.format(tdir=testdir), srcdir, + ], + ) |