Exemple #1
0
def export(args):
    """Export HySDS user rules."""

    # get user's SDS conf settings
    conf = SettingsConf()

    # query for mozart and grq rules
    mozart_es_url = "http://{}:9200".format(conf.get('MOZART_ES_PVT_IP'))
    grq_es_url = "http://{}:9200".format(conf.get('GRQ_ES_PVT_IP'))
    rules = {}
    for comp, es_url in [('mozart', mozart_es_url), ('grq', grq_es_url)]:
        hits = run_query(es_url,
                         "user_rules", {"query": {
                             "match_all": {}
                         }},
                         doc_type=".percolator")
        if len(hits) == 0:
            logger.error("No user rules found on {}.".format(comp))
            rules[comp] = []
        else:
            rules[comp] = [i['_source'] for i in hits]
    logger.debug("rules: {}".format(json.dumps(rules, indent=2)))

    # set export directory
    outfile = normpath(args.outfile)
    export_dir = os.path.dirname(outfile)
    logger.debug("export_dir: {}".format(export_dir))

    # create export directory
    validate_dir(export_dir)

    # dump user rules JSON
    with open(outfile, 'w') as f:
        json.dump(rules, f, indent=2, sort_keys=True)
Exemple #2
0
def export(args):
    """Export HySDS user rules."""
    rules = {}

    mozart_rules = mozart_es.query(index=USER_RULES_MOZART)
    rules['mozart'] = [rule['_source'] for rule in mozart_rules]
    logger.debug('%d mozart user rules found' % len(mozart_rules))

    grq_rules = mozart_es.query(index=USER_RULES_GRQ)
    rules['grq'] = [rule['_source'] for rule in grq_rules]
    logger.debug('%d grq user rules found' % len(grq_rules))

    logger.debug("rules: {}".format(json.dumps(rules, indent=2)))

    outfile = normpath(args.outfile)  # set export directory
    export_dir = os.path.dirname(outfile)
    logger.debug("export_dir: {}".format(export_dir))

    validate_dir(export_dir)  # create export directory

    with open(outfile, 'w') as f:
        json.dump(rules, f, indent=2, sort_keys=True)  # dump user rules JSON
Exemple #3
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def copy_files():
    """Copy templates and files to user config files."""

    files_path = get_user_files_path()
    logger.debug('files_path: %s' % files_path)
    validate_dir(files_path, mode=0700)
    sds_files_path = resource_filename(
        'sdscli', os.path.join('adapters', 'hysds', 'files'))
    sds_files = glob(os.path.join(sds_files_path, '*'))
    for sds_file in sds_files:
        if os.path.basename(sds_file) == 'cluster.py':
            user_file = os.path.join(os.path.dirname(get_user_config_path()),
                                     os.path.basename(sds_file))
            if not os.path.exists(user_file): shutil.copy(sds_file, user_file)
        else:
            user_file = os.path.join(files_path, os.path.basename(sds_file))
            if os.path.isdir(sds_file) and not os.path.exists(user_file):
                shutil.copytree(sds_file, user_file)
                logger.debug("Copying dir %s to %s" % (sds_file, user_file))
            elif os.path.isfile(sds_file) and not os.path.exists(user_file):
                shutil.copy(sds_file, user_file)
                logger.debug("Copying file %s to %s" % (sds_file, user_file))
Exemple #4
0
def export(args):
    """Export HySDS package."""
    cont_id = args.id  # container id

    # query for container
    cont = mozart_es.get_by_id(index=CONTAINERS_INDEX, id=cont_id, ignore=404)
    if cont['found'] is False:
        logger.error("SDS package id {} not found.".format(cont_id))
        return 1

    cont_info = cont['_source']
    logger.debug("cont_info: %s" % json.dumps(cont_info, indent=2))

    # set export directory
    outdir = normpath(args.outdir)
    export_name = "{}.sdspkg".format(cont_id.replace(':', '-'))
    export_dir = os.path.join(outdir, export_name)
    logger.debug("export_dir: %s" % export_dir)

    if os.path.exists(export_dir):  # if directory exists, stop
        logger.error(
            "SDS package export directory {} exists. Not continuing.".format(
                export_dir))
        return 1

    validate_dir(export_dir)  # create export directory

    # download container
    get(cont_info['url'], export_dir)
    cont_info['url'] = os.path.basename(cont_info['url'])

    query = {
        "query": {
            "term": {
                "container.keyword": cont_id
            }  # query job specs
        }
    }
    job_specs = mozart_es.query(index=JOB_SPECS_INDEX, body=query)
    job_specs = [job_spec['_source'] for job_spec in job_specs]
    logger.debug("job_specs: %s" % json.dumps(job_specs, indent=2))

    # backwards-compatible query
    if len(job_specs) == 0:
        logger.debug("Got no job_specs. Checking deprecated mappings:")
        query = {
            "query": {
                "query_string": {
                    "query": "container:\"{}\"".format(cont_id)
                }
            }
        }
        job_specs = mozart_es.query(index=JOB_SPECS_INDEX, body=query)
        job_specs = [job_spec['_source'] for job_spec in job_specs]
        logger.debug("job_specs: %s" % json.dumps(job_specs, indent=2))

    hysds_ios = [
    ]  # pull hysds_ios for each job_spec and download any dependency images
    dep_images = {}
    for job_spec in job_specs:
        # download dependency images
        for d in job_spec.get('dependency_images', []):
            if d['container_image_name'] in dep_images:
                d['container_image_url'] = dep_images[
                    d['container_image_name']]
            else:
                # download container
                get(d['container_image_url'], export_dir)
                d['container_image_url'] = os.path.basename(
                    d['container_image_url'])
                dep_images[
                    d['container_image_name']] = d['container_image_url']

        # collect hysds_ios from mozart
        query = {
            "query": {
                "term": {
                    "job-specification.keyword": job_spec['id']
                }
            }
        }
        mozart_hysds_ios = mozart_es.query(index=HYSDS_IOS_MOZART_INDEX,
                                           body=query)
        mozart_hysds_ios = [
            hysds_io['_source'] for hysds_io in mozart_hysds_ios
        ]
        logger.debug("Found %d hysds_ios on mozart for %s." %
                     (len(mozart_hysds_ios), job_spec['id']))

        # backwards-compatible query
        if len(mozart_hysds_ios) == 0:
            logger.debug(
                "Got no hysds_ios from mozart. Checking deprecated mappings:")
            query = {
                "query": {
                    "query_string": {
                        "query":
                        "job-specification:\"{}\"".format(job_spec['id'])
                    }
                }
            }
            mozart_hysds_ios = mozart_es.query(index=HYSDS_IOS_MOZART_INDEX,
                                               body=query)
            mozart_hysds_ios = [
                hysds_io['_source'] for hysds_io in mozart_hysds_ios
            ]
            logger.debug("Found %d hysds_ios on mozart for %s." %
                         (len(mozart_hysds_ios), job_spec['id']))
        hysds_ios.extend(mozart_hysds_ios)

        # collect hysds_ios from grq
        query = {
            "query": {
                "term": {
                    "job-specification.keyword": job_spec['id']
                }
            }
        }
        grq_hysds_ios = mozart_es.query(index=HYSDS_IOS_GRQ_INDEX, body=query)
        grq_hysds_ios = [hysds_io['_source'] for hysds_io in grq_hysds_ios]
        logger.debug("Found %d hysds_ios on grq for %s." %
                     (len(grq_hysds_ios), job_spec['id']))

        # backwards-compatible query
        if len(mozart_hysds_ios) == 0:
            logger.debug(
                "Got no hysds_ios from grq. Checking deprecated mappings:")
            query = {
                "query": {
                    "query_string": {
                        "query":
                        "job-specification:\"{}\"".format(job_spec['id'])
                    }
                }
            }
            grq_hysds_ios = mozart_es.query(index=HYSDS_IOS_GRQ_INDEX,
                                            body=query)
            grq_hysds_ios = [hysds_io['_source'] for hysds_io in grq_hysds_ios]
            logger.debug("Found %d hysds_ios on grq for %s." %
                         (len(grq_hysds_ios), job_spec['id']))

        hysds_ios.extend(grq_hysds_ios)
    logger.debug("Found %d hysds_ios total." % (len(hysds_ios)))

    # export allowed accounts
    if not args.accounts:
        for hysds_io in hysds_ios:
            if 'allowed_accounts' in hysds_io:
                del hysds_io['allowed_accounts']

    # dump manifest JSON
    manifest = {
        "containers": cont_info,
        "job_specs": job_specs,
        "hysds_ios": hysds_ios,
    }
    manifest_file = os.path.join(export_dir, 'manifest.json')
    with open(manifest_file, 'w') as f:
        json.dump(manifest, f, indent=2, sort_keys=True)

    # tar up hysds package
    tar_file = os.path.join(outdir, "{}.tar".format(export_name))
    with tarfile.open(tar_file, "w") as tar:
        tar.add(export_dir, arcname=os.path.relpath(export_dir, outdir))

    shutil.rmtree(export_dir)  # remove package dir
Exemple #5
0
def export(args):
    """Export HySDS package."""

    # get user's SDS conf settings
    conf = SettingsConf()

    # container id
    cont_id = args.id

    # query for container
    mozart_es_url = "http://{}:9200".format(conf.get('MOZART_ES_PVT_IP'))
    grq_es_url = "http://{}:9200".format(conf.get('GRQ_ES_PVT_IP'))
    hits = run_query(mozart_es_url, "containers",
                     {"query": {
                         "term": {
                             "_id": cont_id
                         }
                     }})
    if len(hits) == 0:
        logger.error("SDS package id {} not found.".format(cont_id))
        return 1
    cont_info = hits[0]['_source']
    logger.debug("cont_info: {}".format(json.dumps(cont_info, indent=2)))

    # set export directory
    outdir = normpath(args.outdir)
    export_name = "{}.sdspkg".format(cont_id)
    export_dir = os.path.join(outdir, export_name)
    logger.debug("export_dir: {}".format(export_dir))

    # if directory exists, stop
    if os.path.exists(export_dir):
        logger.error(
            "SDS package export directory {} exists. Not continuing.".format(
                export_dir))
        return 1

    # create export directory
    validate_dir(export_dir)

    # download container
    get(cont_info['url'], export_dir)
    cont_info['url'] = os.path.basename(cont_info['url'])

    # query job specs
    job_specs = [
        i['_source']
        for i in run_query(mozart_es_url, "job_specs",
                           {"query": {
                               "term": {
                                   "container.raw": cont_id
                               }
                           }})
    ]
    logger.debug("job_specs: {}".format(json.dumps(job_specs, indent=2)))

    # pull hysds_ios for each job_spec and download any dependency images
    hysds_ios = []
    dep_images = {}
    for job_spec in job_specs:
        # download dependency images
        for d in job_spec.get('dependency_images', []):
            if d['container_image_name'] in dep_images:
                d['container_image_url'] = dep_images[
                    d['container_image_name']]
            else:
                # download container
                get(d['container_image_url'], export_dir)
                d['container_image_url'] = os.path.basename(
                    d['container_image_url'])
                dep_images[
                    d['container_image_name']] = d['container_image_url']

        # collect hysds_ios from mozart
        mozart_hysds_ios = [
            i['_source'] for i in run_query(
                mozart_es_url, "hysds_ios",
                {"query": {
                    "term": {
                        "job-specification.raw": job_spec['id']
                    }
                }})
        ]
        logger.debug("Found {} hysds_ios on mozart for {}.".format(
            len(mozart_hysds_ios), job_spec['id']))
        hysds_ios.extend(mozart_hysds_ios)

        # collect hysds_ios from mozart
        grq_hysds_ios = [
            i['_source'] for i in run_query(
                grq_es_url, "hysds_ios",
                {"query": {
                    "term": {
                        "job-specification.raw": job_spec['id']
                    }
                }})
        ]
        logger.debug("Found {} hysds_ios on grq for {}.".format(
            len(grq_hysds_ios), job_spec['id']))
        hysds_ios.extend(grq_hysds_ios)
    logger.debug("Found {} hysds_ios total.".format(len(hysds_ios)))

    # clean out allowed accounts
    for hysds_io in hysds_ios:
        if 'allowed_accounts' in hysds_io:
            del hysds_io['allowed_accounts']

    # dump manifest JSON
    manifest = {
        "containers": cont_info,
        "job_specs": job_specs,
        "hysds_ios": hysds_ios,
    }
    manifest_file = os.path.join(export_dir, 'manifest.json')
    with open(manifest_file, 'w') as f:
        json.dump(manifest, f, indent=2, sort_keys=True)

    # tar up hysds package
    tar_file = os.path.join(outdir, "{}.tar".format(export_name))
    with tarfile.open(tar_file, "w") as tar:
        tar.add(export_dir, arcname=os.path.relpath(export_dir, outdir))

    # remove package dir
    shutil.rmtree(export_dir)
Exemple #6
0
def configure():
    """Configure SDS config file for HySDS."""

    # copy templates/files
    copy_files()

    # config file
    cfg_file = get_user_config_path()
    if os.path.exists(cfg_file):
        cont = prompt(get_prompt_tokens=lambda x: [
            (Token, cfg_file), (Token, " already exists. "),
            (Token.Alert, "Customizations will be lost or overwritten!"),
            (Token, " Continue [y/n]: ")
        ],
                      validator=YesNoValidator(),
                      style=prompt_style) == 'y'
        #validator=YesNoValidator(), default='n', style=prompt_style) == 'y'
        if not cont: return 0
        with open(cfg_file) as f:
            cfg = yaml.load(f)
    else:
        cfg = {}

    # mozart
    for k, d in CFG_DEFAULTS['mozart']:
        v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                                (Token.Param, "%s" % k),
                                                (Token, ": ")],
                   default=unicode(cfg.get(k, d)),
                   style=prompt_style)
        cfg[k] = v

    # mozart components
    comps = [('mozart-rabbit', 'rabbitMQ'), ('mozart-redis', 'redis'),
             ('mozart-es', 'elasticsearch')]
    for grp, comp in comps:
        reuse = prompt("Is mozart %s on a different IP [y/n]: " % comp,
                       validator=YesNoValidator(),
                       default='n') == 'n'
        for k, d in CFG_DEFAULTS[grp]:
            if reuse:
                if k.endswith('_PVT_IP'):
                    cfg[k] = cfg['MOZART_PVT_IP']
                    continue
                elif k.endswith('_PUB_IP'):
                    cfg[k] = cfg['MOZART_PUB_IP']
                    continue
                elif k.endswith('_FQDN'):
                    cfg[k] = cfg['MOZART_FQDN']
                    continue
            if k == 'MOZART_RABBIT_PASSWORD':
                while True:
                    p1 = prompt(get_prompt_tokens=lambda x: [
                        (Token, "Enter RabbitMQ password for user "),
                        (Token.Username, "%s" % cfg['MOZART_RABBIT_USER']),
                        (Token, ": ")
                    ],
                                default=unicode(cfg.get(k, d)),
                                style=prompt_style,
                                is_password=True)
                    p2 = prompt(get_prompt_tokens=lambda x: [
                        (Token, "Re-enter RabbitMQ password for user "),
                        (Token.Username, "%s" % cfg['MOZART_RABBIT_USER']),
                        (Token, ": ")
                    ],
                                default=unicode(cfg.get(k, d)),
                                style=prompt_style,
                                is_password=True)
                    if p1 == p2:
                        if p1 == "":
                            print("Password can't be empty.")
                            continue
                        v = p1
                        break
                    print("Passwords don't match.")
            elif k == 'MOZART_REDIS_PASSWORD':
                while True:
                    p1 = prompt(get_prompt_tokens=lambda x: [(
                        Token, "Enter Redis password: "******"Re-enter Redis password: "******"Passwords don't match.")
            else:
                v = prompt(
                    get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                                 (Token.Param, "%s" % k),
                                                 (Token, ": ")],
                    default=unicode(cfg.get(k, d)),
                    style=prompt_style)
            cfg[k] = v

    # ops
    for k, d in CFG_DEFAULTS['ops']:
        if k == 'OPS_PASSWORD_HASH':
            while True:
                p1 = prompt(get_prompt_tokens=lambda x: [
                    (Token, "Enter web interface password for ops user "),
                    (Token.Username, "%s" % cfg['OPS_USER']), (Token, ": ")
                ],
                            default="",
                            style=prompt_style,
                            is_password=True)
                p2 = prompt(get_prompt_tokens=lambda x: [
                    (Token, "Re-enter web interface password for ops user "),
                    (Token.Username, "%s" % cfg['OPS_USER']), (Token, ": ")
                ],
                            default="",
                            style=prompt_style,
                            is_password=True)
                if p1 == p2:
                    if p1 == "":
                        print("Password can't be empty.")
                        continue
                    v = hashlib.sha224(p1).hexdigest()
                    break
                print("Passwords don't match.")
        else:
            v = prompt(
                get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                             (Token.Param, "%s" % k),
                                             (Token, ": ")],
                default=unicode(cfg.get(k, d)),
                style=prompt_style)
        cfg[k] = v

    # metrics
    for k, d in CFG_DEFAULTS['metrics']:
        v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                                (Token.Param, "%s" % k),
                                                (Token, ": ")],
                   default=unicode(cfg.get(k, d)),
                   style=prompt_style)
        cfg[k] = v

    # metrics components
    comps = [('metrics-redis', 'redis'), ('metrics-es', 'elasticsearch')]
    for grp, comp in comps:
        reuse = prompt("Is metrics %s on a different IP [y/n]: " % comp,
                       validator=YesNoValidator(),
                       default='n') == 'n'
        for k, d in CFG_DEFAULTS[grp]:
            if reuse:
                if k.endswith('_PVT_IP'):
                    cfg[k] = cfg['METRICS_PVT_IP']
                    continue
                elif k.endswith('_PUB_IP'):
                    cfg[k] = cfg['METRICS_PUB_IP']
                    continue
                elif k.endswith('_FQDN'):
                    cfg[k] = cfg['METRICS_FQDN']
                    continue
            if k == 'METRICS_REDIS_PASSWORD':
                while True:
                    p1 = prompt(get_prompt_tokens=lambda x: [(
                        Token, "Enter Redis password: "******"Re-enter Redis password: "******"Passwords don't match.")
            else:
                v = prompt(
                    get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                                 (Token.Param, "%s" % k),
                                                 (Token, ": ")],
                    default=unicode(cfg.get(k, d)),
                    style=prompt_style)
            cfg[k] = v

    # grq
    for k, d in CFG_DEFAULTS['grq']:
        v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                                (Token.Param, "%s" % k),
                                                (Token, ": ")],
                   default=unicode(cfg.get(k, d)),
                   style=prompt_style)
        cfg[k] = v

    # grq components
    comps = [('grq-es', 'elasticsearch')]
    for grp, comp in comps:
        reuse = prompt("Is grq %s on a different IP [y/n]: " % comp,
                       validator=YesNoValidator(),
                       default='n') == 'n'
        for k, d in CFG_DEFAULTS[grp]:
            if reuse:
                if k.endswith('_PVT_IP'):
                    cfg[k] = cfg['GRQ_PVT_IP']
                    continue
                elif k.endswith('_PUB_IP'):
                    cfg[k] = cfg['GRQ_PUB_IP']
                    continue
                elif k.endswith('_FQDN'):
                    cfg[k] = cfg['GRQ_FQDN']
                    continue
            v = prompt(
                get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                             (Token.Param, "%s" % k),
                                             (Token, ": ")],
                default=unicode(cfg.get(k, d)),
                style=prompt_style)
            cfg[k] = v

    # factotum
    for k, d in CFG_DEFAULTS['factotum']:
        v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                                (Token.Param, "%s" % k),
                                                (Token, ": ")],
                   default=unicode(cfg.get(k, d)),
                   style=prompt_style)
        cfg[k] = v

    # ci
    for k, d in CFG_DEFAULTS['ci']:
        if k in ('JENKINS_API_KEY', 'GIT_OAUTH_TOKEN'):
            while True:
                p1 = prompt(
                    get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                                 (Token.Param, "%s" % k),
                                                 (Token, ": ")],
                    default=unicode(cfg.get(k, d)),
                    style=prompt_style,
                    is_password=True)
                p2 = prompt(get_prompt_tokens=lambda x: [(
                    Token, "Re-enter value for "), (Token.Param, "%s" % k),
                                                         (Token, ": ")],
                            default=unicode(cfg.get(k, d)),
                            style=prompt_style,
                            is_password=True)
                if p1 == p2:
                    v = p1
                    break
                print("Values don't match.")
        else:
            v = prompt(
                get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                             (Token.Param, "%s" % k),
                                             (Token, ": ")],
                default=unicode(cfg.get(k, d)),
                style=prompt_style)
        cfg[k] = v

    # verdi
    for k, d in CFG_DEFAULTS['verdi']:
        v = prompt(get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                                (Token.Param, "%s" % k),
                                                (Token, ": ")],
                   default=unicode(cfg.get(k, d)),
                   style=prompt_style)
        cfg[k] = v

    # webdav
    for k, d in CFG_DEFAULTS['webdav']:
        if k == 'DAV_PASSWORD':
            while True:
                p1 = prompt(get_prompt_tokens=lambda x:
                            [(Token, "Enter webdav password for user "),
                             (Token.Username, "%s" % cfg['DAV_USER']),
                             (Token, ": ")],
                            default=unicode(cfg.get(k, d)),
                            style=prompt_style,
                            is_password=True)
                p2 = prompt(get_prompt_tokens=lambda x:
                            [(Token, "Re-enter webdav password for ops user "),
                             (Token.Username, "%s" % cfg['DAV_USER']),
                             (Token, ": ")],
                            default=unicode(cfg.get(k, d)),
                            style=prompt_style,
                            is_password=True)
                if p1 == p2:
                    v = p1
                    break
                print("Passwords don't match.")
        else:
            v = prompt(
                get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                             (Token.Param, "%s" % k),
                                             (Token, ": ")],
                default=unicode(cfg.get(k, d)),
                style=prompt_style)
        cfg[k] = v

    # aws-dataset
    for k, d in CFG_DEFAULTS['aws-dataset']:
        if k == 'DATASET_AWS_SECRET_KEY':
            if cfg['DATASET_AWS_ACCESS_KEY'] == "":
                cfg['DATASET_AWS_SECRET_KEY'] = ""
                continue
            while True:
                p1 = prompt(get_prompt_tokens=lambda x: [
                    (Token, "Enter AWS secret key for "),
                    (Token.Username, "%s" % cfg['DATASET_AWS_ACCESS_KEY']),
                    (Token, ": ")
                ],
                            default=unicode(cfg.get(k, d)),
                            style=prompt_style,
                            is_password=True)
                p2 = prompt(get_prompt_tokens=lambda x: [
                    (Token, "Re-enter AWS secret key for "),
                    (Token.Username, "%s" % cfg['DATASET_AWS_ACCESS_KEY']),
                    (Token, ": ")
                ],
                            default=unicode(cfg.get(k, d)),
                            style=prompt_style,
                            is_password=True)
                if p1 == p2:
                    v = p1
                    break
                print("Keys don't match.")
        elif k == 'DATASET_AWS_ACCESS_KEY':
            v = prompt(get_prompt_tokens=lambda x:
                       [(Token, "Enter value for "), (Token.Param, "%s" % k),
                        (Token, ". If using instance roles, just press enter"),
                        (Token, ": ")],
                       default=unicode(cfg.get(k, d)),
                       style=prompt_style)
        else:
            v = prompt(
                get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                             (Token.Param, "%s" % k),
                                             (Token, ": ")],
                default=unicode(cfg.get(k, d)),
                style=prompt_style)
        cfg[k] = v

    # aws-asg
    for k, d in CFG_DEFAULTS['aws-asg']:
        if k == 'AWS_SECRET_KEY':
            if cfg['AWS_ACCESS_KEY'] == "":
                cfg['AWS_SECRET_KEY'] = ""
                continue
            while True:
                p1 = prompt(get_prompt_tokens=lambda x:
                            [(Token, "Enter AWS secret key for "),
                             (Token.Username, "%s" % cfg['AWS_ACCESS_KEY']),
                             (Token, ": ")],
                            default=unicode(cfg.get(k, d)),
                            style=prompt_style,
                            is_password=True)
                p2 = prompt(get_prompt_tokens=lambda x:
                            [(Token, "Re-enter AWS secret key for "),
                             (Token.Username, "%s" % cfg['AWS_ACCESS_KEY']),
                             (Token, ": ")],
                            default=unicode(cfg.get(k, d)),
                            style=prompt_style,
                            is_password=True)
                if p1 == p2:
                    v = p1
                    break
                print("Keys don't match.")
        elif k == 'AWS_ACCESS_KEY':
            v = prompt(get_prompt_tokens=lambda x:
                       [(Token, "Enter value for "), (Token.Param, "%s" % k),
                        (Token, ". If using instance roles, just press enter"),
                        (Token, ": ")],
                       default=unicode(cfg.get(k, d)),
                       style=prompt_style)
        else:
            v = prompt(
                get_prompt_tokens=lambda x: [(Token, "Enter value for "),
                                             (Token.Param, "%s" % k),
                                             (Token, ": ")],
                default=unicode(cfg.get(k, d)),
                style=prompt_style)
        cfg[k] = v

    # ensure directory exists
    validate_dir(os.path.dirname(cfg_file), mode=0700)
    yml = CFG_TMPL.format(**cfg)
    with open(cfg_file, 'w') as f:
        f.write(yml)