Exemplo n.º 1
0
def _validate_and_retrieve_pre_config():
    """
    Validate whether the values in the pre-configuration file are valid
    :return: JSON contents
    """
    if not os.path.exists(PRECONFIG_FILE):
        return

    with open(PRECONFIG_FILE, 'r') as pre_config:
        try:
            config = json.loads(pre_config.read())
        except Exception as ex:
            print Interactive.boxed_message(['JSON contents could not be retrieved from file {0}.\nError message: {1}'.format(PRECONFIG_FILE, ex)])
            sys.exit(1)

    if 'asdmanager' not in config or not isinstance(config['asdmanager'], dict):
        print Interactive.boxed_message(['The ASD manager pre-configuration file must contain a "asdmanager" key with a dictionary as value'])
        sys.exit(1)

    errors = []
    config = config['asdmanager']
    actual_keys = config.keys()
    expected_keys = ['api_ip', 'api_port', 'asd_ips', 'asd_start_port', 'store']
    for key in actual_keys:
        if key not in expected_keys:
            errors.append('Key {0} is not supported by the ASD manager'.format(key))
    if len(errors) > 0:
        print Interactive.boxed_message(['Errors found while verifying pre-configuration:',
                                         ' - {0}'.format('\n - '.join(errors)),
                                         '',
                                         'Allowed keys:\n'
                                         ' - {0}'.format('\n - '.join(expected_keys))])
        sys.exit(1)

    try:
        Toolbox.verify_required_params(actual_params=config,
                                       required_params={'store': (str, ['arakoon', 'etcd'], False),
                                                        'api_ip': (str, Toolbox.regex_ip, True),
                                                        'asd_ips': (list, Toolbox.regex_ip, False),
                                                        'api_port': (int, {'min': 1025, 'max': 65535}, False),
                                                        'asd_start_port': (int, {'min': 1025, 'max': 65435}, False)})
    except RuntimeError as rte:
        print Interactive.boxed_message(['The asd-manager pre-configuration file does not contain correct information\n{0}'.format(rte)])
        sys.exit(1)
    return config
Exemplo n.º 2
0
def setup():
    """
    Interactive setup part for initial asd manager configuration with etcd
    """
    print Interactive.boxed_message(['ASD Manager setup'])
    local_client = LocalClient()
    service_name = 'asd-manager'

    print '- Verifying distribution'
    if ServiceManager.has_service(service_name, local_client):
        print ''  # Spacing
        print Interactive.boxed_message(['The ASD Manager is already installed.'])
        sys.exit(1)

    ipaddresses = check_output("ip a | grep 'inet ' | sed 's/\s\s*/ /g' | cut -d ' ' -f 3 | cut -d '/' -f 1", shell=True).strip().splitlines()
    ipaddresses = [found_ip.strip() for found_ip in ipaddresses if found_ip.strip() != '127.0.0.1']
    if not ipaddresses:
        print Interactive.boxed_message(['Could not retrieve IP information on current node'])
        sys.exit(1)

    config = None
    preconfig = '/opt/OpenvStorage/config/openvstorage_preconfig.json'
    run_interactive = True
    if os.path.exists(preconfig):
        config = {}
        with open(preconfig, 'r') as pre_config:
            try:
                config = json.load(pre_config)
            except Exception as ex:
                raise ValueError('JSON contents could not be retrieved from file {0}.\nErrormessage: {1}'.format(preconfig, ex))
        run_interactive = 'asdmanager' not in config

    if run_interactive is False:
        asd_preconfig = config['asdmanager']
        required = {'api_ip': (str, Toolbox.regex_ip),
                    'asd_ips': (list, Toolbox.regex_ip, False),
                    'api_port': (int, {'min': 1025, 'max': 65535}, False),
                    'asd_start_port': (int, {'min': 1025, 'max': 65435}, False)}
        Toolbox.verify_required_params(required_params=required,
                                       actual_params=asd_preconfig)

        api_ip = asd_preconfig['api_ip']
        api_port = asd_preconfig.get('api_port', 8500)
        asd_ips = asd_preconfig.get('asd_ips', [])
        asd_start_port = asd_preconfig.get('asd_start_port', 8600)

        if api_ip not in ipaddresses:
            print Interactive.boxed_message(['Unknown API IP provided, please choose from: {0}'.format(', '.join(ipaddresses))])
            sys.exit(1)
        if set(asd_ips).difference(set(ipaddresses)):
            print Interactive.boxed_message(['Unknown ASD IP provided, please choose from: {0}'.format(', '.join(ipaddresses))])
            sys.exit(1)
    else:
        api_ip = Interactive.ask_choice(ipaddresses, 'Select the public IP address to be used for the API')
        api_port = Interactive.ask_integer("Select the port to be used for the API", 1025, 65535, 8500)
        ipaddresses.append('All')
        asd_ips = []
        add_ips = True
        while add_ips:
            current_ips = ' - Current selected IPs: {0}'.format(asd_ips)
            new_asd_ip = Interactive.ask_choice(ipaddresses,
                                                'Select an IP address or all IP addresses to be used for the ASDs{0}'.format(current_ips if len(asd_ips) > 0 else ''),
                                                default_value='All')
            if new_asd_ip == 'All':
                ipaddresses.remove('All')
                asd_ips = []
                add_ips = False
            else:
                asd_ips.append(new_asd_ip)
                ipaddresses.remove(new_asd_ip)
                add_ips = Interactive.ask_yesno("Do you want to add another IP?")
        asd_start_port = Interactive.ask_integer("Select the port to be used for the ASDs", 1025, 65435, 8600)

    if api_port in range(asd_start_port, asd_start_port + 100):
        print Interactive.boxed_message(['API port cannot be in the range of the ASD port + 100'])
        sys.exit(1)

    print '- Initializing etcd'
    try:
        alba_node_id = EtcdConfiguration.initialize(api_ip, api_port, asd_ips, asd_start_port)
    except:
        print ''  # Spacing
        print Interactive.boxed_message(['Could not connect to Etcd.',
                                         'Please make sure an Etcd proxy is available, pointing towards an OpenvStorage cluster.'])
        sys.exit(1)

    ServiceManager.add_service(service_name, local_client, params={'ASD_NODE_ID': alba_node_id,
                                                                   'PORT_NUMBER': str(api_port)})
    print '- Starting ASD manager service'
    try:
        ServiceManager.start_service(service_name, local_client)
    except Exception as ex:
        EtcdConfiguration.uninitialize(alba_node_id)
        print Interactive.boxed_message(['Starting asd-manager failed with error:', str(ex)])
        sys.exit(1)

    print Interactive.boxed_message(['ASD Manager setup completed'])