
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


#
# Copyright 2016-present Ciena Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os,time
import io
import json
import yaml
import errno
import copy
from pyroute2 import IPRoute
from pyroute2.netlink import NetlinkError
from itertools import chain
from nsenter import Namespace
try:
    from docker import APIClient as Client
except:
    from docker import Client
from docker import utils as dockerutils
import shutil
from OnosCtrl import OnosCtrl
from OnosLog import OnosLog
from OltConfig import OltConfig
from EapolAAA import radius_add_users, radius_restore_users
from onosclidriver import OnosCliDriver
from threadPool import ThreadPool
from threading import Lock

class docker_netns(object):

    dckr = Client()
    def __init__(self, name):
        pid = int(self.dckr.inspect_container(name)['State']['Pid'])
        if pid == 0:
            raise Exception('no container named {0}'.format(name))
        self.pid = pid

    def __enter__(self):
        pid = self.pid
        if not os.path.exists('/var/run/netns'):
            os.mkdir('/var/run/netns')
        os.symlink('/proc/{0}/ns/net'.format(pid), '/var/run/netns/{0}'.format(pid))
        return str(pid)

    def __exit__(self, type, value, traceback):
        pid = self.pid
        os.unlink('/var/run/netns/{0}'.format(pid))

flatten = lambda l: chain.from_iterable(l)

class Container(object):
    dckr = Client()
    IMAGE_PREFIX = '' ##for saving global prefix for all test classes
    CONFIG_LOCK = Lock()

    def __init__(self, name, image, prefix='', tag = 'candidate', command = 'bash', quagga_config = None):
        self.name = name
        self.prefix = prefix
        if prefix:
            self.prefix += '/'
            image = '{}{}'.format(self.prefix, image)
        self.image = image
        self.tag = tag
        if tag:
            self.image_name = image + ':' + tag
        else:
            self.image_name = image
        self.id = None
        self.command = command
        self.quagga_config = quagga_config

    @classmethod
    def build_image(cls, dockerfile, tag, force=True, nocache=False):
        f = io.BytesIO(dockerfile.encode('utf-8'))
        if force or not cls.image_exists(tag):
            print('Build {0}...'.format(tag))
            for line in cls.dckr.build(fileobj=f, rm=True, tag=tag, decode=True, nocache=nocache):
                if 'stream' in line:
                    print(line['stream'].strip())

    @classmethod
    def image_exists(cls, name):
        #return name in [ctn['RepoTags'][0] for ctn in cls.dckr.images()]
        return name in list( flatten(ctn['RepoTags'] if ctn['RepoTags'] else '' for ctn in cls.dckr.images()) )

    @classmethod
    def create_host_config(cls, port_list = None, host_guest_map = None, privileged = False):
        port_bindings = None
        binds = None
        if port_list:
            port_bindings = {}
            for p in port_list:
                if type(p) is tuple:
                    port_bindings[str(p[0])] = str(p[1])
                else:
                    port_bindings[str(p)] = str(p)

        if host_guest_map:
            binds = []
            for h, g in host_guest_map:
                binds.append('{0}:{1}'.format(h, g))

        return cls.dckr.create_host_config(binds = binds, port_bindings = port_bindings, privileged = privileged)

    @classmethod
    def connect_to_network(cls, name, network):
        try:
            cls.dckr.connect_container_to_network(name, network)
        except:
            connect_cmd = 'docker network connect %s %s' %(network, name)
            os.system(connect_cmd)
        return True

    @classmethod
    def create_network(cls, network, subnet = None, gateway = None):
        ipam_config = None
        if subnet is not None and gateway is not None:
            try:
                ipam_pool = dockerutils.create_ipam_pool(subnet = subnet, gateway = gateway)
                ipam_config = dockerutils.create_ipam_config(pool_configs = [ipam_pool])
                cls.dckr.create_network(network, driver='bridge', ipam = ipam_config)
            except:
                create_cmd = 'docker network create %s --subnet %s --gateway %s >/dev/null 2>&1' %(network, subnet, gateway)
                os.system(create_cmd)

    @classmethod
    def cleanup(cls, image):
        cnt_list = filter(lambda c: c['Image'] == image, cls.dckr.containers(all=True))
        for cnt in cnt_list:
            print('Cleaning container %s' %cnt['Id'])
            if cnt.has_key('State') and cnt['State'] == 'running':
                cls.dckr.kill(cnt['Id'])
            cls.dckr.remove_container(cnt['Id'], force=True)

    @classmethod
    def remove_container(cls, name, force=True):
        try:
            cls.dckr.remove_container(name, force = force)
        except: pass

    def exists(self):
        return '/{0}'.format(self.name) in list(flatten(n['Names'] for n in self.dckr.containers()))

    def img_exists(self):
        #return self.image_name in [ctn['RepoTags'][0] if ctn['RepoTags'] else '' for ctn in self.dckr.images()]
        return self.image_name in list( flatten(ctn['RepoTags'] if ctn['RepoTags'] else '' for ctn in self.dckr.images()) )

    def ip(self, network = None):
        cnt_list = filter(lambda c: c['Names'][0] == '/{}'.format(self.name), self.dckr.containers())
        #if not cnt_list:
        #    cnt_list = filter(lambda c: c['Image'] == self.image_name, self.dckr.containers())
        cnt_settings = cnt_list.pop()
        if network is not None and cnt_settings['NetworkSettings']['Networks'].has_key(network):
            return cnt_settings['NetworkSettings']['Networks'][network]['IPAddress']
        return cnt_settings['NetworkSettings']['Networks']['bridge']['IPAddress']

    @classmethod
    def ips(cls, image_name):
        cnt_list = filter(lambda c: c['Image'] == image_name, cls.dckr.containers())
        ips = [ cnt['NetworkSettings']['Networks']['bridge']['IPAddress'] for cnt in cnt_list ]
        return ips

    def kill(self, remove = True):
        self.dckr.kill(self.name)
        self.dckr.remove_container(self.name, force=True)

    def start(self, rm = True, ports = None, volumes = None, host_config = None,
              environment = None, tty = False, stdin_open = True,
              network_disabled = False, network = None):

        if rm and self.exists():
            print('Removing container:', self.name)
            self.dckr.remove_container(self.name, force=True)

        ctn = self.dckr.create_container(image=self.image_name, ports = ports, command=self.command,
                                         detach=True, name=self.name,
                                         environment = environment,
                                         volumes = volumes,
                                         host_config = host_config, stdin_open=stdin_open, tty = tty,
                                         network_disabled = network_disabled)
        self.dckr.start(container=self.name)
        if network_disabled is False:
            if network is not None:
                self.connect_to_network(self.name, network)
            if self.quagga_config:
                self.connect_to_br(index = 1)
        self.id = ctn['Id']
        return ctn

    @classmethod
    def pause_container(cls, image, delay):
        cnt_list = filter(lambda c: c['Image'] == image, cls.dckr.containers(all=True))
        for cnt in cnt_list:
            print('Pause the container %s' %cnt['Id'])
            if cnt.has_key('State') and cnt['State'] == 'running':
                cls.dckr.pause(cnt['Id'])
        if delay != 0:
           time.sleep(delay)
           for cnt in cnt_list:
               print('Unpause the container %s' %cnt['Id'])
               cls.dckr.unpause(cnt['Id'])
        else:
            print('Infinity time pause the container %s' %cnt['Id'])
        return 'success'

    def connect_to_br(self, index = 0):
        self.CONFIG_LOCK.acquire()
        try:
            with docker_netns(self.name) as pid:
                for quagga_config in self.quagga_config:
                    ip = IPRoute()
                    br = ip.link_lookup(ifname=quagga_config['bridge'])
                    if len(br) == 0:
                        try:
                            ip.link_create(ifname=quagga_config['bridge'], kind='bridge')
                        except NetlinkError as e:
                            err, _ = e.args
                            if err == errno.EEXIST:
                                pass
                            else:
                                raise NetlinkError(*e.args)
                        br = ip.link_lookup(ifname=quagga_config['bridge'])
                    br = br[0]
                    ip.link('set', index=br, state='up')
                    ifname = '{0}-{1}'.format(self.name[:12], index)
                    ifs = ip.link_lookup(ifname=ifname)
                    if len(ifs) > 0:
                       ip.link_remove(ifs[0])
                    peer_ifname = '{0}-{1}'.format(pid, index)
                    ip.link_create(ifname=ifname, kind='veth', peer=peer_ifname)
                    host = ip.link_lookup(ifname=ifname)[0]
                    ip.link('set', index=host, master=br)
                    ip.link('set', index=host, state='up')
                    guest = ip.link_lookup(ifname=peer_ifname)[0]
                    ip.link('set', index=guest, net_ns_fd=pid)
                    with Namespace(pid, 'net'):
                        ip = IPRoute()
                        ip.link('set', index=guest, ifname='eth{}'.format(index+1))
                        ip.addr('add', index=guest, address=quagga_config['ip'], mask=quagga_config['mask'])
                        ip.link('set', index=guest, state='up')
                    index += 1
        finally:
            self.CONFIG_LOCK.release()

    def execute(self, cmd, tty = True, stream = False, shell = False, detach = True):
        res = 0
        if type(cmd) == str:
            cmds = (cmd,)
        else:
            cmds = cmd
        if shell:
            for c in cmds:
                res += os.system('docker exec {0} {1}'.format(self.name, c))
            return res
        for c in cmds:
            i = self.dckr.exec_create(container=self.name, cmd=c, tty = tty, privileged = True)
            s = self.dckr.exec_start(i['Id'], stream = stream, detach=detach, socket=True)
            try:
                s.close()
            except: pass
            result = self.dckr.exec_inspect(i['Id'])
            res += 0 if result['ExitCode'] == None else result['ExitCode']
        return res

    def restart(self, timeout =10):
        return self.dckr.restart(self.name, timeout)

def get_mem(jvm_heap_size = None, instances = 1):
    if instances <= 0:
        instances = 1
    heap_size = jvm_heap_size
    heap_size_i = 0
    #sanitize the heap size config
    if heap_size is not None:
        if not heap_size.isdigit():
            try:
                heap_size_i = int(heap_size[:-1])
                suffix = heap_size[-1]
                if suffix == 'M':
                    heap_size_i /= 1024 #convert to gigs
                    #allow to specific minimum heap size
                    if heap_size_i == 0:
                        return heap_size
            except:
                ##invalid suffix length probably. Fall back to default
                heap_size = None
        else:
            heap_size_i = int(heap_size)

    with open('/proc/meminfo', 'r') as fd:
        meminfo = fd.readlines()
        mem = 0
        for m in meminfo:
            if m.startswith('MemTotal:') or m.startswith('SwapTotal:'):
                mem += int(m.split(':')[1].strip().split()[0])

        mem = max(mem/1024/1024/2/instances, 1)
        mem = min(mem, 16)

    if heap_size_i:
        #we take the minimum of the provided heap size and max allowed heap size
        heap_size_i = min(heap_size_i, mem)
    else:
        heap_size_i = mem

    return '{}G'.format(heap_size_i)

class OnosCord(Container):
    """Use this when running the cord tester agent on the onos compute node"""
    onos_config_dir_guest = '/root/onos/config'
    synchronizer_map = { 'vtn' : { 'install':
                      ('http://mavenrepo:8080/repository/org/opencord/cord-config/1.4.0-SNAPSHOT/cord-config-1.4.0-SNAPSHOT.oar',
                       'http://mavenrepo:8080/repository/org/opencord/vtn/1.4.0-SNAPSHOT/vtn-1.4.0-SNAPSHOT.oar',),
                                   'activate':
                                   ('org.onosproject.ovsdb-base', 'org.onosproject.drivers.ovsdb',
                                    'org.onosproject.dhcp', 'org.onosproject.optical-model',
                                    'org.onosproject.openflow-base', 'org.onosproject.proxyarp',
                                    'org.onosproject.hostprovider'),
                                   },
                         'fabric' : { 'activate':
                                      ('org.onosproject.hostprovider', 'org.onosproject.optical-model',
                                       'org.onosproject.openflow-base', 'org.onosproject.vrouter',
                                       'org.onosproject.netcfghostprovider', 'org.onosproject.netcfglinksprovider',
                                       'org.onosproject.segmentrouting', 'org.onosproject.proxyarp'),
                                      }
                         }
    tester_apps = ('http://mavenrepo:8080/repository/org/opencord/aaa/1.4.0-SNAPSHOT/aaa-1.4.0-SNAPSHOT.oar',
                   'http://mavenrepo:8080/repository/org/opencord/igmp/1.4.0-SNAPSHOT/igmp-1.4.0-SNAPSHOT.oar',)

    old_service_profile = '/opt/cord/orchestration/service-profile/cord-pod'
    cord_profile = '/opt/cord_profile'

    def __init__(self, onos_ip, conf, service_profile, synchronizer, start = True, boot_delay = 5):
        if not os.access(conf, os.F_OK):
            raise Exception('ONOS cord configuration location %s is invalid' %conf)
        self.old_cord = False
        if os.access(self.old_service_profile, os.F_OK):
            self.old_cord = True
        self.onos_ip = onos_ip
        self.onos_cord_dir = conf
        self.boot_delay = boot_delay
        self.synchronizer = synchronizer
        self.service_profile = service_profile
        self.docker_yaml = os.path.join(conf, 'docker-compose.yml')
        self.docker_yaml_saved = os.path.join(conf, 'docker-compose.yml.saved')
        self.onos_config_dir = os.path.join(conf, 'config')
        self.onos_cfg_save_loc = os.path.join(conf, 'network-cfg.json.saved')
        instance_active = False
        #if we have a wrapper onos instance already active, back out
        if os.access(self.onos_config_dir, os.F_OK) or os.access(self.docker_yaml_saved, os.F_OK):
            instance_active = True
        else:
            if start is True:
                os.mkdir(self.onos_config_dir)
                shutil.copy(self.docker_yaml, self.docker_yaml_saved)

        self.start_wrapper = instance_active is False and start is True
        ##update the docker yaml with the config volume
        with open(self.docker_yaml, 'r') as f:
            yaml_config = yaml.load(f)
            image = yaml_config['services'].keys()[0]
            cord_conf_dir_basename = os.path.basename(self.onos_cord_dir.replace('-', '').replace('_', ''))
            xos_onos_name = '{}_{}_1'.format(cord_conf_dir_basename, image)
            if not yaml_config['services'][image].has_key('volumes'):
                yaml_config['services'][image]['volumes'] = []
            volumes = yaml_config['services'][image]['volumes']
            config_volumes = filter(lambda e: e.find(self.onos_config_dir_guest) >= 0, volumes)
            if not config_volumes:
                config_volume = '{}:{}'.format(self.onos_config_dir, self.onos_config_dir_guest)
                volumes.append(config_volume)
                if self.start_wrapper:
                    docker_yaml_changed = '{}-changed'.format(self.docker_yaml)
                    with open(docker_yaml_changed, 'w') as wf:
                        yaml.dump(yaml_config, wf)
                    os.rename(docker_yaml_changed, self.docker_yaml)
            self.volumes = volumes

        ##Create an container instance of xos onos
        super(OnosCord, self).__init__(xos_onos_name, image, tag = '', quagga_config = Onos.QUAGGA_CONFIG)
        self.last_cfg = None
        if self.start_wrapper:
            #fetch the current config of onos cord instance and save it
            try:
                self.last_cfg = OnosCtrl.get_config(controller = onos_ip)
                json_data = json.dumps(self.last_cfg, indent=4)
                with open(self.onos_cfg_save_loc, 'w') as f:
                    f.write(json_data)
            except:
                pass
            #start the container back with the shared onos config volume
            self.start()

    def cliEnter(self):
        retries = 0
        while retries < 30:
            cli = OnosCliDriver(controller = self.onos_ip, connect = True)
            if cli.handle:
                return cli
            else:
                retries += 1
                time.sleep(3)

        return None

    def cliExit(self, cli):
        if cli:
            cli.disconnect()

    def synchronize_fabric(self, cfg = None):
        if self.old_cord is True:
            cmds = [ 'cd {} && make {}'.format(self.old_service_profile, self.synchronizer),
                     'sleep 30'
                     ]
            for cmd in cmds:
                try:
                    os.system(cmd)
                except:
                    pass

    def synchronize_vtn(self, cfg = None):
        if self.old_cord is True:
            cmds = [ 'cd {} && make {}'.format(self.old_service_profile, self.synchronizer),
                     'sleep 30'
                     ]
            for cmd in cmds:
                try:
                    os.system(cmd)
                except:
                    pass
            return
        if cfg is None:
            return
        if not cfg.has_key('apps'):
            return
        if not cfg['apps'].has_key('org.opencord.vtn'):
            return
        vtn_neutron_cfg = cfg['apps']['org.opencord.vtn']['cordvtn']['openstack']
        password = vtn_neutron_cfg['password']
        endpoint = vtn_neutron_cfg['endpoint']
        user = vtn_neutron_cfg['user']
        tenant = vtn_neutron_cfg['tenant']
        vtn_host = cfg['apps']['org.opencord.vtn']['cordvtn']['nodes'][0]['hostname']
        cli = self.cliEnter()
        if cli is None:
            return
        cli.cordVtnSyncNeutronStates(endpoint, password, tenant = tenant, user = user)
        time.sleep(2)
        cli.cordVtnNodeInit(vtn_host)
        self.cliExit(cli)

    def synchronize(self, cfg_unlink = False):

        if not self.synchronizer_map.has_key(self.synchronizer):
            return

        install_list = ()
        if self.synchronizer_map[self.synchronizer].has_key('install'):
            install_list = self.synchronizer_map[self.synchronizer]['install']

        activate_list = ()
        if self.synchronizer_map[self.synchronizer].has_key('activate'):
            activate_list = self.synchronizer_map[self.synchronizer]['activate']

        for app_url in install_list:
            print('Installing app from url: %s' %app_url)
            OnosCtrl.install_app_from_url(None, None, app_url = app_url, onos_ip = self.onos_ip)

        for app in activate_list:
            print('Activating app %s' %app)
            OnosCtrl(app, controller = self.onos_ip).activate()
            time.sleep(2)

        for app_url in self.tester_apps:
            print('Installing tester app from url: %s' %app_url)
            OnosCtrl.install_app_from_url(None, None, app_url = app_url, onos_ip = self.onos_ip)

        cfg = None
        #restore the saved config after applications are activated
        if os.access(self.onos_cfg_save_loc, os.F_OK):
            with open(self.onos_cfg_save_loc, 'r') as f:
                cfg = json.load(f)
                try:
                    OnosCtrl.config(cfg, controller = self.onos_ip)
                    if cfg_unlink is True:
                        os.unlink(self.onos_cfg_save_loc)
                except:
                    pass

        if hasattr(self, 'synchronize_{}'.format(self.synchronizer)):
            getattr(self, 'synchronize_{}'.format(self.synchronizer))(cfg = cfg)

        #now restart the xos synchronizer container
        cmd = None
        if os.access('{}/onboarding-docker-compose/docker-compose.yml'.format(self.cord_profile), os.F_OK):
            cmd = 'cd {}/onboarding-docker-compose && \
            docker-compose -p {} restart xos_synchronizer_{}'.format(self.cord_profile,
                                                                     self.service_profile,
                                                                     self.synchronizer)
        else:
            if os.access('{}/docker-compose.yml'.format(self.cord_profile), os.F_OK):
                cmd = 'cd {} && \
                docker-compose -p {} restart {}-synchronizer'.format(self.cord_profile,
                                                                     self.service_profile,
                                                                     self.synchronizer)
        if cmd is not None:
            try:
                print(cmd)
                os.system(cmd)
            except:
                pass

    def start(self, restart = False, network_cfg = None):
        if network_cfg is not None:
            json_data = json.dumps(network_cfg, indent=4)
            with open('{}/network-cfg.json'.format(self.onos_config_dir), 'w') as f:
                f.write(json_data)

        #we avoid using docker-compose restart for now.
        #since we don't want to retain the metadata across restarts
        #stop and start and synchronize the services before installing tester cord apps
        cmds = [ 'cd {} && docker-compose down'.format(self.onos_cord_dir),
                 'cd {} && docker-compose up -d'.format(self.onos_cord_dir),
                 'sleep 150',
        ]
        for cmd in cmds:
            try:
                print(cmd)
                os.system(cmd)
            except:pass

        self.synchronize()
        ##we could also connect container to default docker network but disabled for now
        #Container.connect_to_network(self.name, 'bridge')
        #connect container to the quagga bridge
        self.connect_to_br(index = 0)
        print('Waiting %d seconds for ONOS instance to start' %self.boot_delay)
        time.sleep(self.boot_delay)

    def build_image(self):
        build_cmd = 'cd {} && docker-compose build'.format(self.onos_cord_dir)
        os.system(build_cmd)

    def restore(self, force = False):
        restore = self.start_wrapper is True or force is True
        if not restore:
            return
        #nothing to restore
        if not os.access(self.docker_yaml_saved, os.F_OK):
            return

        #restore the config files back. The synchronizer restore should bring the last config back
        cmds = ['cd {} && docker-compose down'.format(self.onos_cord_dir),
                'rm -rf {}'.format(self.onos_config_dir),
                'mv {} {}'.format(self.docker_yaml_saved, self.docker_yaml),
                'cd {} && docker-compose up -d'.format(self.onos_cord_dir),
                'sleep 150',
        ]
        for cmd in cmds:
            try:
                print(cmd)
                os.system(cmd)
            except: pass

        self.synchronize(cfg_unlink = True)

class OnosCordStopWrapper(Container):
    onos_cord_dir = os.path.join(os.getenv('HOME'), 'cord-tester-cord')
    docker_yaml = os.path.join(onos_cord_dir, 'docker-compose.yml')

    def __init__(self):
        if os.access(self.docker_yaml, os.F_OK):
            with open(self.docker_yaml, 'r') as f:
                yaml_config = yaml.load(f)
                image = yaml_config['services'].keys()[0]
                name = 'cordtestercord_{}_1'.format(image)
            super(OnosCordStopWrapper, self).__init__(name, image, tag = '')
            if self.exists():
                print('Killing container %s' %self.name)
                self.kill()

class Onos(Container):
    QUAGGA_CONFIG = [ { 'bridge' : 'quagga-br', 'ip': '10.10.0.4', 'mask' : 16 }, ]
    MAX_INSTANCES = 3
    JVM_HEAP_SIZE = None
    SYSTEM_MEMORY = (get_mem(),) * 2
    INSTANCE_MEMORY = (get_mem(instances=MAX_INSTANCES),) * 2
    JAVA_OPTS_FORMAT = '-Xms{} -Xmx{} -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode'
    JAVA_OPTS_DEFAULT = JAVA_OPTS_FORMAT.format(*SYSTEM_MEMORY) #-XX:+PrintGCDetails -XX:+PrintGCTimeStamps'
    JAVA_OPTS_CLUSTER_DEFAULT = JAVA_OPTS_FORMAT.format(*INSTANCE_MEMORY)
    env = { 'ONOS_APPS' : 'drivers,openflow,proxyarp,vrouter,hostprovider', 'JAVA_OPTS' : JAVA_OPTS_DEFAULT }
    onos_cord_apps = ( ['cord-config', '1.2-SNAPSHOT', 'org.opencord.config'],
                       ['sadis-app', '3.0-SNAPSHOT', 'org.opencord.sadis'],
                       ['olt-app', '1.2-SNAPSHOT', 'org.onosproject.olt'],
                       ['aaa', '1.2-SNAPSHOT', 'org.opencord.aaa'],
                       ['igmp', '1.2-SNAPSHOT', 'org.opencord.igmp'],
                       )
    cord_apps_version_updated = False
    expose_port = False
    expose_ports = [ 8181, 8101, 9876, 6653, 6633, 2000, 2620, 5005 ]
    ports = []
    setup_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', 'setup')
    host_config_dir = os.path.join(setup_dir, 'onos-config')
    guest_config_dir = '/root/onos/config'
    guest_data_dir = '/root/onos/apache-karaf-3.0.8/data'
    guest_log_file = '/root/onos/apache-karaf-3.0.8/data/log/karaf.log'
    onos_gen_partitions = os.path.join(setup_dir, 'onos-gen-partitions')
    onos_form_cluster = os.path.join(setup_dir, 'onos-form-cluster')
    cord_apps_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', 'apps')
    host_guest_map = ( (host_config_dir, guest_config_dir), )
    ssl_key = None
    cluster_cfg = os.path.join(host_config_dir, 'cluster.json')
    cluster_mode = False
    cluster_instances = []
    NAME = 'cord-onos'
    ##the ip of ONOS in default cluster.json in setup/onos-config
    CLUSTER_CFG_IP = '172.17.0.2'
    IMAGE = 'onosproject/onos'
    TAG = 'latest'
    PREFIX = ''

    @classmethod
    def generate_cluster_cfg(cls, ip):
        if type(ip) in [ list, tuple ]:
            ips = ' '.join(ip)
        else:
            ips = ip
        try:
            cmd = '{} {} {}'.format(cls.onos_gen_partitions, cls.cluster_cfg, ips)
            os.system(cmd)
        except: pass

    @classmethod
    def form_cluster(cls, ips):
        nodes = ' '.join(ips)
        try:
            cmd = '{} {}'.format(cls.onos_form_cluster, nodes)
            os.system(cmd)
        except: pass

    @classmethod
    def cleanup_runtime(cls):
        '''Cleanup ONOS runtime generated files'''
        files = ( Onos.cluster_cfg, os.path.join(Onos.host_config_dir, 'network-cfg.json') )
        for f in files:
            if os.access(f, os.F_OK):
                try:
                    os.unlink(f)
                except: pass

    @classmethod
    def get_data_map(cls, host_volume, guest_volume_dir):
        host_volume_dir = os.path.join(cls.setup_dir, os.path.basename(host_volume))
        if not os.path.exists(host_volume_dir):
            os.mkdir(host_volume_dir)
        return ( (host_volume_dir, guest_volume_dir), )

    @classmethod
    def remove_data_map(cls, host_volume, guest_volume_dir):
        host_volume_dir = os.path.join(cls.setup_dir, os.path.basename(host_volume))
        if os.path.exists(host_volume_dir):
            shutil.rmtree(host_volume_dir)

    @classmethod
    def update_data_dir(cls, karaf):
        Onos.guest_data_dir = '/root/onos/apache-karaf-{}/data'.format(karaf)
        Onos.guest_log_file = '/root/onos/apache-karaf-{}/data/log/karaf.log'.format(karaf)

    @classmethod
    def update_ssl_key(cls, key):
        if os.access(key, os.F_OK):
            try:
                shutil.copy(key, cls.host_config_dir)
                cls.ssl_key = os.path.join(cls.host_config_dir, os.path.basename(key))
            except:pass

    @classmethod
    def set_expose_port(cls, flag):
        cls.expose_port = flag

    def get_port_map(self, instance=0):
        if self.expose_port is False:
            return self.ports
        return map(lambda p: (p, p + instance), self.expose_ports)

    def remove_data_volume(self):
        if self.data_map is not None:
            self.remove_data_map(*self.data_map)

    def __init__(self, name = NAME, image = IMAGE, prefix = PREFIX, tag = TAG,
                 boot_delay = 20, restart = False, network_cfg = None,
                 cluster = False, data_volume = None, async = False, quagga_config = None,
                 network = None, instance = 0):
        if restart is True:
            ##Find the right image to restart
            running_image = filter(lambda c: c['Names'][0] == '/{}'.format(name), self.dckr.containers())
            if running_image:
                image_name = running_image[0]['Image']
                try:
                    image = image_name.split(':')[0]
                    tag = image_name.split(':')[1]
                except: pass

        if quagga_config is None:
            quagga_config = Onos.QUAGGA_CONFIG
        super(Onos, self).__init__(name, image, prefix = prefix, tag = tag, quagga_config = quagga_config)
        self.boot_delay = boot_delay
        self.data_map = None
        instance_memory = (get_mem(jvm_heap_size = Onos.JVM_HEAP_SIZE, instances = Onos.MAX_INSTANCES),) * 2
        self.env['JAVA_OPTS'] = self.JAVA_OPTS_FORMAT.format(*instance_memory)
        self.ports = self.get_port_map(instance = instance)
        if self.ssl_key:
            key_files = ( os.path.join(self.guest_config_dir, os.path.basename(self.ssl_key)), ) * 2
            self.env['JAVA_OPTS'] += ' -DenableOFTLS=true -Djavax.net.ssl.keyStore={} -Djavax.net.ssl.keyStorePassword=222222 -Djavax.net.ssl.trustStore={} -Djavax.net.ssl.trustStorePassword=222222'.format(*key_files)
        if cluster is True:
            if data_volume is not None:
                self.data_map = self.get_data_map(data_volume, self.guest_data_dir)
                self.host_guest_map = self.host_guest_map + self.data_map
            if os.access(self.cluster_cfg, os.F_OK):
                try:
                    os.unlink(self.cluster_cfg)
                except: pass

        self.host_config = self.create_host_config(port_list = self.ports,
                                                   host_guest_map = self.host_guest_map)
        self.volumes = []
        for _,g in self.host_guest_map:
            self.volumes.append(g)

        if restart is True and self.exists():
            self.kill()

        if not self.exists():
            self.remove_container(name, force=True)
            host_config = self.create_host_config(port_list = self.ports,
                                                  host_guest_map = self.host_guest_map)
            volumes = []
            for _,g in self.host_guest_map:
                volumes.append(g)
            if network_cfg is not None:
                json_data = json.dumps(network_cfg, indent=4)
                with open('{}/network-cfg.json'.format(self.host_config_dir), 'w') as f:
                    f.write(json_data)
            if cluster is False or async is False:
                print('Starting ONOS container %s' %self.name)
                self.start(ports = self.ports, environment = self.env,
                           host_config = self.host_config, volumes = self.volumes, tty = True,
                           network = Radius.NETWORK)
                if not restart:
                    ##wait a bit before fetching IP to regenerate cluster cfg
                    time.sleep(5)
                    ip = self.ip()
                    ##Just a quick hack/check to ensure we don't regenerate in the common case.
                    ##As ONOS is usually the first test container that is started
                    if cluster is False:
                        if ip != self.CLUSTER_CFG_IP or not os.access(self.cluster_cfg, os.F_OK):
                            print('Regenerating ONOS cluster cfg for ip %s' %ip)
                            self.generate_cluster_cfg(ip)
                            self.kill()
                            self.remove_container(self.name, force=True)
                            print('Restarting ONOS container %s' %self.name)
                            self.start(ports = self.ports, environment = self.env,
                                       host_config = self.host_config, volumes = self.volumes, tty = True,
                                       network = Radius.NETWORK)
                print('Waiting for ONOS to boot')
                time.sleep(boot_delay)
                self.wait_for_onos_start(self.ip())
                self.running = True
            else:
                self.running = False
        else:
            self.running = True
        if self.running:
            self.ipaddr = self.ip()
            if cluster is False:
                self.install_cord_apps(self.ipaddr)

    @classmethod
    def get_quagga_config(cls, instance = 0):
        quagga_config = copy.deepcopy(cls.QUAGGA_CONFIG)
        if instance == 0:
            return quagga_config
        ip = quagga_config[0]['ip']
        octets = ip.split('.')
        octets[3] = str((int(octets[3]) + instance) & 255)
        ip = '.'.join(octets)
        quagga_config[0]['ip'] = ip
        return quagga_config

    @classmethod
    def start_cluster_async(cls, onos_instances):
        instances = filter(lambda o: o.running == False, onos_instances)
        if not instances:
            return
        tpool = ThreadPool(len(instances), queue_size = 1, wait_timeout = 1)
        for onos in instances:
            tpool.addTask(onos.start_async)
        tpool.cleanUpThreads()

    def start_async(self):
        print('Starting ONOS container %s' %self.name)
        self.start(ports = self.ports, environment = self.env,
                   host_config = self.host_config, volumes = self.volumes, tty = True)
        time.sleep(3)
        self.ipaddr = self.ip()
        print('Waiting for ONOS container %s to start' %self.name)
        self.wait_for_onos_start(self.ipaddr)
        self.running = True
        print('ONOS container %s started' %self.name)

    @classmethod
    def wait_for_onos_start(cls, ip, tries = 30):
        onos_log = OnosLog(host = ip, log_file = Onos.guest_log_file)
        num_tries = 0
        started = None
        while not started and num_tries < tries:
            time.sleep(3)
            started = onos_log.search_log_pattern('ApplicationManager .* Started')
            num_tries += 1

        if not started:
            print('ONOS did not start')
        else:
            print('ONOS started')
        return started

    @classmethod
    def setup_cluster_deprecated(cls, onos_instances, image_name = None):
        if not onos_instances or len(onos_instances) < 2:
            return
        ips = []
        if image_name is not None:
            ips = Container.ips(image_name)
        else:
            for onos in onos_instances:
                ips.append(onos.ipaddr)
        Onos.cluster_instances = onos_instances
        Onos.cluster_mode = True
        ##regenerate the cluster json with the 3 instance ips before restarting them back
        print('Generating cluster cfg for ONOS instances with ips %s' %ips)
        Onos.generate_cluster_cfg(ips)
        for onos in onos_instances:
            onos.kill()
            onos.remove_container(onos.name, force=True)
            print('Restarting ONOS container %s for forming cluster' %onos.name)
            onos.start(ports = onos.ports, environment = onos.env,
                       host_config = onos.host_config, volumes = onos.volumes, tty = True)
            print('Waiting %d seconds for ONOS %s to boot' %(onos.boot_delay, onos.name))
            time.sleep(onos.boot_delay)
            onos.ipaddr = onos.ip()
            onos.install_cord_apps(onos.ipaddr)

    @classmethod
    def setup_cluster(cls, onos_instances, image_name = None):
        if not onos_instances or len(onos_instances) < 2:
            return
        ips = []
        if image_name is not None:
            ips = Container.ips(image_name)
        else:
            for onos in onos_instances:
                ips.append(onos.ipaddr)
        Onos.cluster_instances = onos_instances
        Onos.cluster_mode = True
        ##regenerate the cluster json with the 3 instance ips before restarting them back
        print('Forming cluster for ONOS instances with ips %s' %ips)
        Onos.form_cluster(ips)
        ##wait for the cluster to be formed
        print('Waiting for the cluster to be formed')
        time.sleep(60)
        for onos in onos_instances:
            onos.install_cord_apps(onos.ipaddr)

    @classmethod
    def add_cluster(cls, count = 1, network_cfg = None):
        if not cls.cluster_instances or Onos.cluster_mode is False:
            return
        for i in range(count):
            instance = len(cls.cluster_instances)
            name = '{}-{}'.format(Onos.NAME, instance+1)
            onos = cls(name = name, image = Onos.IMAGE, tag = Onos.TAG, prefix = Container.IMAGE_PREFIX,
                       cluster = True, network_cfg = network_cfg, instance = instance)
            cls.cluster_instances.append(onos)

        cls.setup_cluster(cls.cluster_instances)

    @classmethod
    def restart_cluster(cls, network_cfg = None, timeout = 10, setup = False):
        if cls.cluster_mode is False:
            return
        if not cls.cluster_instances:
            return

        if network_cfg is not None:
            json_data = json.dumps(network_cfg, indent=4)
            with open('{}/network-cfg.json'.format(cls.host_config_dir), 'w') as f:
                f.write(json_data)

        cls.cleanup_cluster()
        if timeout > 0:
            time.sleep(timeout)

        #start the instances asynchronously
        cls.start_cluster_async(cls.cluster_instances)
        time.sleep(5)
        ##form the cluster as appropriate
        if setup is True:
            cls.setup_cluster(cls.cluster_instances)
        else:
            for onos in cls.cluster_instances:
                onos.install_cord_apps(onos.ipaddr)

    @classmethod
    def cluster_ips(cls):
        if cls.cluster_mode is False:
            return []
        if not cls.cluster_instances:
            return []
        ips = [ onos.ipaddr for onos in cls.cluster_instances ]
        return ips

    @classmethod
    def cleanup_cluster(cls):
        if cls.cluster_mode is False:
            return
        if not cls.cluster_instances:
            return
        for onos in cls.cluster_instances:
            if onos.exists():
                onos.kill()
            onos.running = False
            onos.remove_container(onos.name, force=True)

    @classmethod
    def restart_node(cls, node = None, network_cfg = None, timeout = 10):
        if node is None:
            cls(restart = True, network_cfg = network_cfg, image = cls.IMAGE, tag = cls.TAG)
        else:
            #Restarts a node in the cluster
            valid_node = filter(lambda onos: node in [ onos.ipaddr, onos.name ], cls.cluster_instances)
            if valid_node:
                onos = valid_node.pop()
                if onos.exists():
                    onos.kill()
                onos.remove_container(onos.name, force=True)
                if timeout > 0:
                    time.sleep(timeout)
                print('Restarting ONOS container %s' %onos.name)
                onos.start(ports = onos.ports, environment = onos.env,
                           host_config = onos.host_config, volumes = onos.volumes, tty = True,
                           network = Radius.NETWORK)
                onos.ipaddr = onos.ip()
                onos.wait_for_onos_start(onos.ipaddr)
                onos.install_cord_apps(onos.ipaddr)

    @classmethod
    def cliEnter(cls, onos_ip = None):
        retries = 0
        while retries < 10:
            cli = OnosCliDriver(controller = onos_ip, connect = True)
            if cli.handle:
                return cli
            else:
                retries += 1
                time.sleep(3)

        return None

    @classmethod
    def cliExit(cls, cli):
        if cli:
            cli.disconnect()

    @classmethod
    def getVersion(cls, onos_ip = None):
        cli = cls.cliEnter(onos_ip = onos_ip)
        try:
            summary = json.loads(cli.summary(jsonFormat = True))
        except:
            cls.cliExit(cli)
            return '1.8.0'
        cls.cliExit(cli)
        return summary['version']

    @classmethod
    def update_cord_apps_version(cls, onos_ip = None):
        if cls.cord_apps_version_updated == True:
            return
        version = cls.getVersion(onos_ip = onos_ip)
        major = int(version.split('.')[0])
        minor = int(version.split('.')[1])
        try:
            patch = int(version.split('.')[2])
        except:
            patch = 0
        app_version = '1.2-SNAPSHOT'
        if major > 1:
            app_version = '3.0-SNAPSHOT'
        elif major == 1 and minor >= 10:
            app_version = '3.0-SNAPSHOT'
            if patch < 3:
                app_version = '1.2-SNAPSHOT'
        for apps in cls.onos_cord_apps:
            apps[1] = app_version
        cls.cord_apps_version_updated = True

    @classmethod
    def install_cord_apps(cls, onos_ip = None):
        cls.update_cord_apps_version(onos_ip = onos_ip)
        for app, version,_ in cls.onos_cord_apps:
            app_file = '{}/{}-{}.oar'.format(cls.cord_apps_dir, app, version)
            ok, code = OnosCtrl.install_app(app_file, onos_ip = onos_ip)
            ##app already installed (conflicts)
            if code in [ 409 ]:
                ok = True
            print('ONOS app %s, version %s %s' %(app, version, 'installed' if ok else 'failed to install'))
            time.sleep(2)

        OnosCtrl.config_olt_component(controller = onos_ip)

    @classmethod
    def activate_apps(cls, apps, onos_ip = None, deactivate = False):
        for app in apps:
            if deactivate is True:
                OnosCtrl(app, controller = onos_ip).deactivate()
                time.sleep(2)
            OnosCtrl(app, controller = onos_ip).activate()

        time.sleep(5)

    @classmethod
    def activate_cord_apps(cls, onos_ip = None, deactivate = True):
        cord_apps = map(lambda a: a[2], cls.onos_cord_apps)
        cls.activate_apps(cord_apps, onos_ip = onos_ip, deactivate = deactivate)

class OnosStopWrapper(Container):
    def __init__(self, name):
        super(OnosStopWrapper, self).__init__(name, Onos.IMAGE, tag = Onos.TAG, prefix = Container.IMAGE_PREFIX)
        if self.exists():
            self.kill()
            self.running = False
        else:
            if Onos.cluster_mode is True:
                valid_node = filter(lambda onos: name in [ onos.ipaddr, onos.name ], Onos.cluster_instances)
                if valid_node:
                    onos = valid_node.pop()
                    if onos.exists():
                        onos.kill()
                    onos.running = False

class Radius(Container):
    ports = [ 1812, 1813 ]
    env = {'TIMEZONE':'America/Los_Angeles',
           'DEBUG': 'true', 'cert_password':'whatever', 'primary_shared_secret':'radius_password'
           }
    host_db_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', 'setup/radius-config/db')
    guest_db_dir = os.path.join(os.path.sep, 'opt', 'db')
    host_config_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', 'setup/radius-config/freeradius')
    guest_config_dir = os.path.join(os.path.sep, 'etc', 'freeradius')
    start_command = os.path.join(guest_config_dir, 'start-radius.py')
    host_guest_map = ( (host_db_dir, guest_db_dir),
                       (host_config_dir, guest_config_dir)
                       )
    IMAGE = 'cordtest/radius'
    NAME = 'cord-radius'
    NETWORK = 'cord-radius-test'
    SOCKET_SUBNET = '11.0.0.0/24'
    SOCKET_SUBNET_PREFIX = '11.0.0'
    SOCKET_GATEWAY = '11.0.0.1'

    @classmethod
    def create_network(cls, name = NETWORK):
        try:
            Container.create_network(name, subnet = cls.SOCKET_SUBNET, gateway = cls.SOCKET_GATEWAY)
        except:
            pass

    def __init__(self, name = NAME, image = IMAGE, prefix = '', tag = 'candidate',
                 boot_delay = 10, restart = False, update = False, network = None,
                 network_disabled = False, olt_config = ''):
        super(Radius, self).__init__(name, image, prefix = prefix, tag = tag, command = self.start_command)
        if update is True or not self.img_exists():
            self.build_image(self.image_name)
        if restart is True and self.exists():
            self.kill()
        else:
            subscribers = 10
            if olt_config:
                port_map, _ = OltConfig(olt_config).olt_port_map()
                if port_map:
                    subscribers = port_map['num_ports'] * len(port_map['switch_port_list'])
            radius_restore_users()
            radius_add_users(subscribers)
        if not self.exists():
            self.remove_container(name, force=True)
            host_config = self.create_host_config(port_list = self.ports,
                                                  host_guest_map = self.host_guest_map,
                                                  privileged = True)
            volumes = []
            for _,g in self.host_guest_map:
                volumes.append(g)
            self.start(ports = self.ports, environment = self.env,
                       volumes = volumes,
                       host_config = host_config, tty = True, network_disabled = network_disabled)
            if network_disabled is False:
                Container.connect_to_network(self.name, self.NETWORK)
            time.sleep(boot_delay)

    @classmethod
    def build_image(cls, image):
        print('Building Radius image %s' %image)
        dockerfile = '''
FROM hbouvier/docker-radius
MAINTAINER chetan@ciena.com
LABEL RUN docker pull hbouvier/docker-radius
LABEL RUN docker run -it --name cord-radius hbouvier/docker-radius
RUN apt-get update && \
    apt-get -y install python python-pexpect strace
WORKDIR /root
CMD ["/etc/freeradius/start-radius.py"]
'''
        super(Radius, cls).build_image(dockerfile, image)
        print('Done building image %s' %image)

class Quagga(Container):
    QUAGGA_CONFIG = ( { 'bridge' : 'quagga-br', 'ip': '10.10.0.3', 'mask' : 16 },
                      { 'bridge' : 'quagga-br', 'ip': '192.168.10.3', 'mask': 16 },
                      )
    ports = [ 179, 2601, 2602, 2603, 2604, 2605, 2606 ]
    host_quagga_config = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', 'setup/quagga-config')
    guest_quagga_config = '/root/config'
    quagga_config_file = os.path.join(guest_quagga_config, 'testrib.conf')
    host_guest_map = ( (host_quagga_config, guest_quagga_config), )
    IMAGE = 'cordtest/quagga'
    NAME = 'cord-quagga'

    def __init__(self, name = NAME, image = IMAGE, prefix = '', tag = 'candidate',
                 boot_delay = 15, restart = False, config_file = quagga_config_file, update = False,
                 network = None):
        super(Quagga, self).__init__(name, image, prefix = prefix, tag = tag, quagga_config = self.QUAGGA_CONFIG)
        if update is True or not self.img_exists():
            self.build_image(self.image_name)
        if restart is True and self.exists():
            self.kill()
        if not self.exists():
            self.remove_container(name, force=True)
            host_config = self.create_host_config(port_list = self.ports,
                                                  host_guest_map = self.host_guest_map,
                                                  privileged = True)
            volumes = []
            for _,g in self.host_guest_map:
                volumes.append(g)
            self.start(ports = self.ports,
                       host_config = host_config,
                       volumes = volumes, tty = True)
            if network is not None:
                Container.connect_to_network(self.name, network)
            print('Starting Quagga on container %s' %self.name)
            self.execute('{0}/start.sh {1}'.format(self.guest_quagga_config, config_file))
            time.sleep(boot_delay)

    @classmethod
    def build_image(cls, image):
        onos_quagga_ip = Onos.QUAGGA_CONFIG[0]['ip']
        print('Building Quagga image %s' %image)
        dockerfile = '''
FROM ubuntu:14.04
MAINTAINER chetan@ciena.com
WORKDIR /root
RUN useradd -M quagga
RUN mkdir /var/log/quagga && chown quagga:quagga /var/log/quagga
RUN mkdir /var/run/quagga && chown quagga:quagga /var/run/quagga
RUN apt-get update && apt-get install -qy git autoconf libtool gawk make telnet libreadline6-dev pkg-config protobuf-c-compiler
RUN git clone git://git.savannah.nongnu.org/quagga.git quagga && \
(cd quagga && git checkout quagga-1.0.20160315 && ./bootstrap.sh && \
sed -i -r 's,htonl.*?\(INADDR_LOOPBACK\),inet_addr\("{0}"\),g' zebra/zebra_fpm.c && \
./configure --enable-fpm --disable-doc --localstatedir=/var/run/quagga && make && make install)
RUN ldconfig
'''.format(onos_quagga_ip)
        super(Quagga, cls).build_image(dockerfile, image)
        print('Done building image %s' %image)

class QuaggaStopWrapper(Container):
    def __init__(self, name = Quagga.NAME, image = Quagga.IMAGE, tag = 'candidate'):
        super(QuaggaStopWrapper, self).__init__(name, image, prefix = Container.IMAGE_PREFIX, tag = tag)
        if self.exists():
            self.kill()


def reinitContainerClients():
    docker_netns.dckr = Client()
    Container.dckr = Client()

class Xos(Container):
    setup_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', 'setup')
    TAG = 'latest'
    PREFIX = ''
    host_guest_map = None
    env = None
    ports = None
    volumes = None

    @classmethod
    def get_cmd(cls, img_name):
        cmd = cls.dckr.inspect_image(img_name)['Config']['Cmd']
        return ' '.join(cmd)

    def __init__(self, name, image, prefix = PREFIX, tag = TAG,
                 boot_delay = 20, restart = False, network_cfg = None, update = False):
        if restart is True:
            ##Find the right image to restart
            running_image = filter(lambda c: c['Names'][0] == '/{}'.format(name), self.dckr.containers())
            if running_image:
                image_name = running_image[0]['Image']
                try:
                    image = image_name.split(':')[0]
                    tag = image_name.split(':')[1]
                except: pass
        super(Xos, self).__init__(name, image, prefix = prefix, tag = tag)
        if update is True or not self.img_exists():
            self.build_image(self.image_name)
        self.command = self.get_cmd(self.image_name).strip() or None
        if restart is True and self.exists():
            self.kill()
        if not self.exists():
            self.remove_container(name, force=True)
            host_config = self.create_host_config(port_list = self.ports,
                                                  host_guest_map = self.host_guest_map,
                                                  privileged = True)
            print('Starting XOS container %s' %self.name)
            self.start(ports = self.ports, environment = self.env, host_config = host_config,
                       volumes = self.volumes, tty = True)
            print('Waiting %d seconds for XOS Base Container to boot' %(boot_delay))
            time.sleep(boot_delay)

    @classmethod
    def build_image(cls, image, dockerfile_path, image_target = 'build'):
        cmd = 'cd {} && make {}'.format(dockerfile_path, image_target)
        print('Building XOS %s' %image)
        res = os.system(cmd)
        print('Done building image %s. Image build %s' %(image, 'successful' if res == 0 else 'failed'))
        return res

class XosServer(Xos):
    ports = [8000,9998,9999]
    NAME = 'xos-server'
    IMAGE = 'xosproject/xos'
    BASE_IMAGE = 'xosproject/xos-base'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'xos')

    def __init__(self, name = NAME, image = IMAGE, prefix = PREFIX, tag = TAG,
                 boot_delay = 10, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        ##build the base image and then build the server image
        Xos.build_image(cls.BASE_IMAGE, cls.dockerfile_path, image_target = 'base')
        Xos.build_image(image, cls.dockerfile_path)

class XosSynchronizerOpenstack(Xos):
    ports = [2375,]
    dockerfile_path = os.path.join(Xos.setup_dir, 'synchronizer')
    NAME = 'xos-synchronizer'
    IMAGE = 'xosproject/xos-synchronizer-openstack'
    TAG = 'latest'
    PREFIX = ''
    host_guest_map = ( ('/usr/local/share/ca-certificates', '/usr/local/share/ca-certificates'),)

    def __init__(self, name = NAME, image = IMAGE, prefix = PREFIX,
                 tag = TAG, boot_delay = 20, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        XosServer.build_image()
        Xos.build_image(image, cls.dockerfile_path)

class XosSynchronizerOnboarding(Xos):
    NAME = 'xos-synchronizer-onboarding'
    IMAGE = 'xosproject/xos-synchronizer-onboarding'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'onboarding_synchronizer')
    host_guest_map = ( ('/usr/local/share/ca-certificates', '/usr/local/share/ca-certificates'),)

    def __init__(self, name = NAME, image = IMAGE, prefix = PREFIX,
                 tag = TAG, boot_delay = 10, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        XosSynchronizerOpenstack.build_image()
        Xos.build_image(image, cls.dockerfile_path)

class XosSynchronizerOpenvpn(Xos):
    NAME = 'xos-synchronizer-openvpn'
    IMAGE = 'xosproject/xos-openvpn'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'openvpn')
    host_guest_map = ( ('/usr/local/share/ca-certificates', '/usr/local/share/ca-certificates'),)

    def __init__(self, name = NAME, image = IMAGE, prefix = PREFIX,
                 tag = TAG, boot_delay = 10, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        XosSynchronizerOpenstack.build_image()
        Xos.build_image(image, cls.dockerfile_path)

class XosPostgresql(Xos):
    ports = [5432,]
    NAME = 'xos-db-postgres'
    IMAGE = 'xosproject/xos-postgres'
    TAG = 'latest'
    PREFIX = ''
    volumes = ["/etc/postgresql", "/var/log/postgresql", "/var/lib/postgresql"]
    dockerfile_path = os.path.join(Xos.setup_dir, 'postgresql')

    def __init__(self, name = NAME, image = IMAGE, prefix = PREFIX,
                 tag = TAG, boot_delay = 10, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        Xos.build_image(image, cls.dockerfile_path)

class XosSyndicateMs(Xos):
    ports = [8080,]
    env = None
    NAME = 'xos-syndicate-ms'
    IMAGE = 'xosproject/syndicate-ms'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'syndicate-ms')

    def __init__(self, name = NAME, image = IMAGE, prefix = '', tag = TAG,
                 boot_delay = 10, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        Xos.build_image(image, cls.dockerfile_path)

class XosSyncVtn(Xos):
    ports = [8080,]
    env = None
    NAME = 'xos-synchronizer-vtn'
    IMAGE = 'xosproject/xos-synchronizer-vtn'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'synchronizer-vtn')

    def __init__(self, name = NAME, image = IMAGE, prefix = '', tag = TAG,
                 boot_delay = 10, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        Xos.build_image(image, cls.dockerfile_path)

class XosSyncVtr(Xos):
    ports = [8080,]
    env = None
    NAME = 'xos-synchronizer-vtr'
    IMAGE = 'xosproject/xos-synchronizer-vtr'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'synchronizer-vtr')

    def __init__(self, name = NAME, image = IMAGE, prefix = '', tag = TAG,
                 boot_delay = 10, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        Xos.build_image(image, cls.dockerfile_path)

class XosSyncVsg(Xos):
    ports = [8080,]
    env = None
    NAME = 'xos-synchronizer-vsg'
    IMAGE = 'xosproject/xos-synchronizer-vsg'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'synchronizer-vsg')

    def __init__(self, name = NAME, image = IMAGE, prefix = '', tag = TAG,
                 boot_delay = 10, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        Xos.build_image(image, cls.dockerfile_path)


class XosSyncOnos(Xos):
    ports = [8080,]
    env = None
    NAME = 'xos-synchronizer-onos'
    IMAGE = 'xosproject/xos-synchronizer-onos'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'synchronizer-onos')

    def __init__(self, name = NAME, image = IMAGE, prefix = '', tag = TAG,
                 boot_delay = 30, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        Xos.build_image(image, cls.dockerfile_path)

class XosSyncFabric(Xos):
    ports = [8080,]
    env = None
    NAME = 'xos-synchronizer-fabric'
    IMAGE = 'xosproject/xos-synchronizer-fabric'
    TAG = 'latest'
    PREFIX = ''
    dockerfile_path = os.path.join(Xos.setup_dir, 'synchronizer-fabric')

    def __init__(self, name = NAME, image = IMAGE, prefix = '', tag = TAG,
                 boot_delay = 30, restart = False, network_cfg = None, update = False):
        Xos.__init__(self, name, image, prefix, tag, boot_delay, restart, network_cfg, update)

    @classmethod
    def build_image(cls, image = IMAGE):
        Xos.build_image(image, cls.dockerfile_path)

if __name__ == '__main__':
    onos = Onos(boot_delay = 10, restart = True)