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How to use execute_in_container method in localstack

Best Python code snippet using localstack_python

execute.py

Source:execute.py

...147    148def _write_text_file(fname,str):149    with open(fname,'w') as f:150        f.write(str)151def _execute_in_container(proc, X, *, container, tempdir, **kwargs):152    singularity_opts=[]153    kbucket_cache_dir=kbucket.getConfig()['local_cache_dir']154    singularity_opts.append('-B {}:{}'.format(kbucket_cache_dir,'/sha1-cache'))155    singularity_opts.append('-B /tmp:/tmp')156    for input0 in proc.INPUTS:157        name0=input0.name158        fname0=getattr(X,name0)159        if fname0:160            if fname0.startswith('kbucket://') or fname0.startswith('sha1://'):161                pass162            else:163                fname0=os.path.abspath(fname0)164                fname2='/execute_in_container/input_{}'.format(name0)165                kwargs[name0]=fname2166                singularity_opts.append('-B {}:{}'.format(fname0,fname2))167                168    for output0 in proc.OUTPUTS:169        name0=output0.name170        val=getattr(X,name0)171        if val:172            val=os.path.abspath(val)173            dirname=os.path.dirname(val)174            filename=os.path.basename(val)175            dirname2='/execute_in_container/outputdir_{}'.format(name0)176            kwargs[name0]=dirname2+'/'+filename177            singularity_opts.append('-B {}:{}'.format(dirname,dirname2))178    expanded_kwargs_list=[]179    for key in kwargs:180        val=kwargs[key]181        if type(val)==str:182            val="'{}'".format(val)183        expanded_kwargs_list.append('{}={}'.format(key,val))184    expanded_kwargs=', '.join(expanded_kwargs_list)185    processor_source_fname=inspect.getsourcefile(proc)186    processor_source_dirname=os.path.dirname(processor_source_fname)187    processor_source_basename=os.path.basename(processor_source_fname)188    processor_source_basename_noext=os.path.splitext(processor_source_basename)[0]189    if not processor_source_fname:190        raise Exception('inspect.getsourcefile() returned empty for processor.')191    singularity_opts.append('-B {}:/execute_in_container/processor_source'.format(processor_source_dirname))192    # Code generation193    code="""194from processor_source.{processor_source_basename_noext} import {processor_name}195def main():196    {processor_name}.execute({expanded_kwargs})197if __name__ == "__main__":198    main()199    """200    code=code.replace('{processor_source_basename_noext}',processor_source_basename_noext)201    code=code.replace('{processor_name}',proc.__name__)202    code=code.replace('{expanded_kwargs}',expanded_kwargs)203    _write_text_file(tempdir+'/execute_in_container.py',code)204    singularity_opts.append('-B {}:/execute_in_container/execute_in_container.py'.format(tempdir+'/execute_in_container.py'))205    env_vars=[]206    if getattr(proc,'ENVIRONMENT_VARIABLES'):207        list=proc.ENVIRONMENT_VARIABLES208        for v in list:209            val=os.environ.get(v,'')210            if val:211                env_vars.append('{}={}'.format(v,val))212    singularity_cmd='singularity exec --contain -e {} {} bash -c "KBUCKET_CACHE_DIR=/sha1-cache {} python /execute_in_container/execute_in_container.py"'.format(' '.join(singularity_opts),container,' '.join(env_vars))213    retcode = _run_command_and_print_output(singularity_cmd)214    if retcode != 0:215        raise Exception('Processor in singularity returned a non-zero exit code')216def _run_command_and_print_output(command):217    print('RUNNING: '+command)218    with Popen(shlex.split(command), stdout=PIPE, stderr=PIPE) as process:219        while True:220            output_stdout = process.stdout.readline()221            output_stderr = process.stderr.readline()222            if (not output_stdout) and (not output_stderr) and (process.poll() is not None):223                break224            if output_stdout:225                print(output_stdout.decode())226            if output_stderr:227                print(output_stderr.decode())228        rc = process.poll()229        return rc230def execute(proc, _cache=True, _force_run=None, _container=None, **kwargs):231    if _force_run is None:232        if os.environ.get('MLPROCESSORS_FORCE_RUN','') == 'TRUE':233            _force_run=True234        else:235            _force_run=False236    # Execute a processor237    print ('::::::::::::::::::::::::::::: '+proc.NAME)238    X=proc() # instance239    ret=ProcessorExecuteOutput() # We will return this object240    for input0 in proc.INPUTS:241        name0=input0.name242        if not name0 in kwargs:243            raise Exception('Missing input: {}'.format(name0))244        setattr(X,name0,kwargs[name0])245    for output0 in proc.OUTPUTS:246        name0=output0.name247        if not name0 in kwargs:248            raise Exception('Missing output: {}'.format(name0))249        setattr(X,name0,kwargs[name0])250    for param0 in proc.PARAMETERS:251        name0=param0.name252        if not name0 in kwargs:253            if param0.optional:254                val0=param0.default255            else:256                raise Exception('Missing required parameter: {}'.format(name0))257        else:258            val0=kwargs[name0]259        setattr(X,name0,val0)260    if _cache:261        outputs_all_in_pairio=True262        output_signatures=dict()263        output_sha1s=dict()264        cache_collections=set()265        for output0 in proc.OUTPUTS:266            name0=output0.name267            signature0=compute_processor_job_output_signature(X,name0)268            output_signatures[name0]=signature0269            output_sha1,output_collection=pairio.get(signature0,return_collection=True)270            if output_sha1 is not None:271                print ('Found output "{}" in cache collection: {}'.format(name0,output_collection))272                cache_collections.add(output_collection)273                output_sha1s[name0]=output_sha1274                # Do the following because if we have it locally,275                # we want to make sure it also gets propagated remotely276                # and vice versa277                pairio.set(signature0,output_sha1)278            else:279                outputs_all_in_pairio=False280        output_files_all_found=False281        output_files=dict()282        if outputs_all_in_pairio:283            output_files_all_found=True284            for output0 in proc.OUTPUTS:285                out0=getattr(X,name0)286                if out0:287                    name0=output0.name288                    ext0=_get_output_ext(out0)289                    sha1=output_sha1s[name0]290                    output_files[name0]='sha1://'+sha1+'/'+name0+ext0291                    fname=kbucket.findFile(sha1=sha1)292                    if not fname:293                        output_files_all_found=False294        if outputs_all_in_pairio and (not output_files_all_found):295            print ('Found job in cache, but not all output files exist.')296        if output_files_all_found:297            if not _force_run:298                print ('Using outputs from cache:',','.join(list(cache_collections)))299                for output0 in proc.OUTPUTS:300                    name0=output0.name301                    fname1=output_files[name0]302                    fname2=getattr(X,name0)303                    if type(fname2)==str:304                        fname1=kbucket.realizeFile(fname1)305                        if fname1!=fname2:306                            if os.path.exists(fname2):307                                os.remove(fname2)308                            shutil.copyfile(fname1,fname2)309                        ret.outputs[name0]=fname2310                    else:311                        ret.outputs[name0]=fname1312                return ret313            else:314                print ('Found outputs in cache, but forcing run...')315    for input0 in proc.INPUTS:316        name0=input0.name317        if hasattr(X,name0):318            val0=getattr(X,name0)319            if input0.directory:320                val1=val0321            else:322                val1=kbucket.realizeFile(val0)323                if not val1:324                    raise Exception('Unable to realize input file {}: {}'.format(name0,val0))325            setattr(X,name0,val1)326        327    temporary_output_files=set()328    for output0 in proc.OUTPUTS:329        name0=output0.name330        val0=getattr(X,name0)331        job_signature0=compute_processor_job_output_signature(X,None)332        if type(val0)!=str:333            fname0=job_signature0+'_'+name0+val0['ext']334            tmp_fname=create_temporary_file(fname0)335            temporary_output_files.add(tmp_fname)336            setattr(X,name0,tmp_fname)337    ## Now it is time to execute338    if not _container:339        try:340            print ('MLPR EXECUTING::::::::::::::::::::::::::::: '+proc.NAME)341            X.run()342            print ('MLPR FINISHED ::::::::::::::::::::::::::::: '+proc.NAME)343        except:344            # clean up temporary output files345            print ('Problem executing {}. Cleaning up files.'.format(proc.NAME))346            for fname in temporary_output_files:347                if os.path.exists(fname):348                    os.remove(fname)349            raise350    else:351        ## in a container352        tempdir=tempfile.mkdtemp()353        try:354            _execute_in_container(proc, X, container=_container, tempdir=tempdir, **kwargs)355        except:356            shutil.rmtree(tempdir)357            raise358        shutil.rmtree(tempdir)359    360    for output0 in proc.OUTPUTS:361        name0=output0.name362        output_fname=getattr(X,name0)363        if output_fname in temporary_output_files:364            output_fname=kbucket.moveFileToCache(output_fname)365        ret.outputs[name0]=output_fname366        if _cache:367            output_sha1=kbucket.computeFileSha1(output_fname)368            signature0=output_signatures[name0]...

test_paasta_execute_docker_command.py

Source:test_paasta_execute_docker_command.py

...16import pytest17from paasta_tools.paasta_execute_docker_command import execute_in_container18from paasta_tools.paasta_execute_docker_command import main19from paasta_tools.paasta_execute_docker_command import TimeoutException20def test_execute_in_container():21    fake_container_id = "fake_container_id"22    fake_return_code = 023    fake_output = "fake_output"24    fake_command = "fake_cmd"25    mock_docker_client = mock.MagicMock(spec_set=docker.Client)26    mock_docker_client.exec_start.return_value = fake_output27    mock_docker_client.exec_inspect.return_value = {"ExitCode": fake_return_code}28    assert execute_in_container(29        mock_docker_client, fake_container_id, fake_command, 130    ) == (fake_output, fake_return_code)31    expected_cmd = ["/bin/sh", "-c", fake_command]32    mock_docker_client.exec_create.assert_called_once_with(33        fake_container_id, expected_cmd34    )35def test_execute_in_container_reuses_exec():36    fake_container_id = "fake_container_id"37    fake_execid = "fake_execid"38    fake_return_code = 039    fake_output = "fake_output"40    fake_command = "fake_cmd"41    mock_docker_client = mock.MagicMock(spec_set=docker.Client)42    mock_docker_client.inspect_container.return_value = {"ExecIDs": [fake_execid]}43    mock_docker_client.exec_start.return_value = fake_output44    mock_docker_client.exec_inspect.return_value = {45        "ExitCode": fake_return_code,46        "ProcessConfig": {"entrypoint": "/bin/sh", "arguments": ["-c", fake_command]},47    }48    assert execute_in_container(49        mock_docker_client, fake_container_id, fake_command, 150    ) == (fake_output, fake_return_code)51    assert mock_docker_client.exec_create.call_count == 052    mock_docker_client.exec_start.assert_called_once_with(fake_execid, stream=False)53def test_execute_in_container_reuses_only_valid_exec():54    fake_container_id = "fake_container_id"55    fake_execid = "fake_execid"56    fake_return_code = 057    fake_output = "fake_output"58    fake_command = "fake_cmd"59    bad_exec = {60        "ExitCode": fake_return_code,61        "ProcessConfig": {62            "entrypoint": "/bin/sh",63            "arguments": ["-c", "some_other_command"],64        },65    }66    good_exec = {67        "ExitCode": fake_return_code,68        "ProcessConfig": {"entrypoint": "/bin/sh", "arguments": ["-c", fake_command]},69    }70    mock_docker_client = mock.MagicMock(spec_set=docker.Client)71    mock_docker_client.inspect_container.return_value = {72        "ExecIDs": ["fake_other_exec", fake_execid, "fake_other_exec"]73    }74    mock_docker_client.exec_start.return_value = fake_output75    # the last side effect is used to check the exit code of the command76    mock_docker_client.exec_inspect.side_effect = [77        bad_exec,78        good_exec,79        bad_exec,80        good_exec,81    ]82    assert execute_in_container(83        mock_docker_client, fake_container_id, fake_command, 184    ) == (fake_output, fake_return_code)85    assert mock_docker_client.exec_create.call_count == 086    mock_docker_client.exec_start.assert_called_once_with(fake_execid, stream=False)87def test_main():88    fake_container_id = "fake_container_id"89    fake_timeout = 390    with mock.patch(91        "paasta_tools.paasta_execute_docker_command.get_container_id_for_mesos_id",92        return_value=fake_container_id,93        autospec=True,94    ), mock.patch(95        "paasta_tools.paasta_execute_docker_command.parse_args", autospec=True96    ) as args_patch, mock.patch(...

fuel_actions.py

Source:fuel_actions.py

...19    class BaseActions(object):20        def __init__(self, admin_remote):21            self.admin_remote = admin_remote22            self.container = None23        def execute_in_container(self, command, container=None, exit_code=None,24                                 stdin=None):25            if not container:26                container = self.container27            cmd = 'dockerctl shell {0} {1}'.format(container, command)28            if stdin is not None:29                cmd = 'echo "{0}" | {1}'.format(stdin, cmd)30            result = self.admin_remote.execute(cmd)31            if exit_code is not None:32                assert_equal(exit_code,33                             result['exit_code'],34                             ('Command {cmd} returned exit code "{e}", but '35                              'expected "{c}". Output: {out}; {err} ').format(36                                 cmd=cmd,37                                 e=result['exit_code'],38                                 c=exit_code,39                                 out=result['stdout'],40                                 err=result['stderr']41                             ))42            return ''.join(result['stdout']).strip()43    class Nailgun(BaseActions):44        def __init__(self, admin_remote):45            super(FuelActions.Nailgun, self).__init__(admin_remote)46            self.container = 'nailgun'47        def update_nailgun_settings_once(self, settings):48            # temporary change Nailgun settings (until next container restart)49            cfg_file = '/etc/nailgun/settings.yaml'50            ng_settings = yaml.load(self.execute_in_container(51                'cat {0}'.format(cfg_file), exit_code=0))52            ng_settings.update(settings)53            logger.debug('Uploading new nailgun settings: {}'.format(54                ng_settings))55            self.execute_in_container('tee {0}'.format(cfg_file),56                                      stdin=yaml.dump(ng_settings),57                                      exit_code=0)58        def set_collector_address(self, host, port, ssl=False):59            cmd = ("awk '/COLLECTOR.*URL/' /usr/lib/python2.6"60                   "/site-packages/nailgun/settings.yaml")61            protocol = 'http' if not ssl else 'https'62            parameters = {}63            for p in self.execute_in_container(cmd, exit_code=0).split('\n'):64                parameters[p.split(': ')[0]] = re.sub(65                    r'https?://\{collector_server\}',66                    '{0}://{1}:{2}'.format(protocol, host, port),67                    p.split(': ')[1])[1:-1]68            logger.debug('Custom collector parameters: {0}'.format(parameters))69            self.update_nailgun_settings_once(parameters)70            if ssl:71                # if test collector server doesn't have trusted SSL cert72                # installed we have to use this hack in order to disable cert73                # verification and allow using of self-signed SSL certificate74                cmd = ("sed -i '/elf.verify/ s/True/False/' /usr/lib/python2.6"75                       "/site-packages/requests/sessions.py")76                self.execute_in_container(cmd, exit_code=0)77        def force_fuel_stats_sending(self):78            log_file = '/var/log/nailgun/statsenderd.log'79            # Rotate logs on restart in order to get rid of old errors80            cmd = 'mv {0}{{,.backup_$(date +%s)}}'.format(log_file)81            self.execute_in_container(cmd)82            cmd = 'supervisorctl restart statsenderd'83            self.execute_in_container(cmd, exit_code=0)84            cmd = 'grep -sw "ERROR" {0}'.format(log_file)85            try:86                self.execute_in_container(cmd, exit_code=1)87            except AssertionError:88                logger.error(("Fuel stats were sent with errors! Check its log"89                             "s in {0} for details.").format(log_file))90                raise91    class Postgres(BaseActions):92        def __init__(self, admin_remote):93            super(FuelActions.Postgres, self).__init__(admin_remote)94            self.container = 'postgres'95        def run_query(self, db, query):96            cmd = "su - postgres -c 'psql -qt -d {0} -c \"{1};\"'".format(97                db, query)98            return self.execute_in_container(cmd, exit_code=0)99        def action_logs_contain(self, action, group=False,100                                table='action_logs'):101            logger.info("Checking that '{0}' action was logged..".format(102                action))103            log_filter = "action_name" if not group else "action_group"104            q = "select id from {0} where {1} = '\"'\"'{2}'\"'\"'".format(105                table, log_filter, action)106            logs = [i.strip() for i in self.run_query('nailgun', q).split('\n')107                    if re.compile(r'\d+').match(i.strip())]108            logger.info("Found log records with ids: {0}".format(logs))109            return len(logs) > 0110        def count_sent_action_logs(self, table='action_logs'):111            q = "select count(id) from {0} where is_sent = True".format(table)112            return int(self.run_query('nailgun', q))

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