Example #1
0
    def _compute_check_nat_rules(self, qr_intfs, rfp_intfs, nat, ns_fip):
        """
        Check three chains rules match with each other
        :param nat: the nat table
        :param ns_fip:
        :return: True or False
        """
        c_name = 'neutron-l3-agent-PREROUTING'
        rule = {'in': 'qr-+', 'source': '*', 'out': '*',
                'destination': '169.254.169.254',
                'target': 'REDIRECT', 'prot': 'tcp',
                'flags': 'tcp dpt:80 redir ports 9697'}
        if not self._check_chain_has_rule(nat, c_name, rule):
            return False

        ips_qr = [item for sublist in map(lambda x: x['ip'], qr_intfs) for
                  item in sublist]
        ips_rfp = [item for sublist in map(lambda x: x['ip'], rfp_intfs) for
                   item in sublist]

        for intf in rfp_intfs:
            c_name = 'neutron-l3-agent-PREROUTING'
            for ip_m in intf['ip'][1:]:  # check each floating ip
                dip = ip_m.split('/')[0]  # real floating ip for destination
                if not ipInNetworks(dip, ips_rfp):
                    warn(r('dip %s not in rfp ports %s\n'
                           % (dip, ips_rfp)))
                    return False
                rule = nat.get_rule(c_name, {'destination': dip})
                sip = rule.get_flags().split(':')[1]
                if not ipInNetworks(sip, ips_qr):
                    warn(r('sip %s not in qr port %s\n' % (sip, ips_qr)))
                    return False
                rule_expect = {'in': '*', 'source': '*', 'out': '*',
                               'destination': dip, 'target': 'DNAT',
                               'prot': '*', 'flags': 'to:'+sip}
                if not rule.is_match(rule_expect):
                    warn(r('rule not matched in %s\n' % (c_name)))
                    return False
                if not self._check_chain_has_rule(nat,
                                                  'neutron-l3-agent-OUTPUT',
                                                  rule_expect):
                    return False
                else:
                    output(g('DNAT for incoming: %s --> %s passed\n'
                             % (dip, sip)))
                rule_expect = {'in': '*', 'source': sip, 'out': '*',
                               'destination': '*', 'target': 'SNAT',
                               'prot': '*', 'flags': 'to:'+dip}
                if not self._check_chain_has_rule(
                        nat,
                        'neutron-l3-agent-float-snat',
                        rule_expect):
                    return False
                else:
                    output(g('SNAT for outgoing: %s --> %s passed\n'
                             % (sip, dip)))
        return True
Example #2
0
 def _network_check_vports(self):
     """
     Check the vport related information and rules
     :return:
     """
     checked_ns = []
     output(b('>>> Checking vports ...\n'))
     qr_ports, dhcp_ports, sg_ports = [], [], []
     qr_ports_ips = []
     br_ports = self.br_int.get_ports()
     for port in br_ports:
         if port.startswith('qr-'):  # qrouter port
             qr_ports.append(port)
         elif port.startswith('tap'):  # qrouter port
             dhcp_ports.append(port)
         elif port.startswith('sg-'):  # qrouter port
             sg_ports.append(port)
     if not qr_ports:
         output('# no qrouter port found\n')
     if not dhcp_ports:
         output('# no dhcp port found\n')
     if not sg_ports:
         output('# no sg port found\n')
     for port in qr_ports:
         output(b('## Checking router port = %s\n' % port))
         ns_router = self.nss.get_ns_by_port(port)
         if ns_router in checked_ns:
             output(g('Checking passed already\n'))
         else:
             checked_ns.append(ns_router)  # the names of the ns checked
             if not self._network_check_router_ns(ns_router):
                 warn(r('<<< Checking vports failed\n'))
                 return False
         qr_ports_ips.extend(NameSpace(ns_router).get_ip_of_intf(
             port))
     for port in dhcp_ports:
         output(b('## Checking dhcp port = %s\n' % port))
         ns_dhcp = self.nss.get_ns_by_port(port)
         if ns_dhcp in checked_ns:
             output(g('Checking passed already\n'))
         else:
             checked_ns.append(ns_dhcp)  # the names of the ns checked
             if not self._network_check_dhcp_ns(ns_dhcp):
                 warn(r('<<< Checking vports failed\n'))
                 return False
     for port in sg_ports:  # snat port
         output(b('## Checking sg port = %s\n' % port))
         ns_snat = self.nss.get_ns_by_port(port)
         if ns_snat in checked_ns:
             output(g('Checking passed already\n'))
         else:
             checked_ns.append(ns_snat)  # the names of the ns checked
             if not self._network_check_snat_ns(ns_snat, qr_ports_ips):
                 warn(r('<<< Checking vports failed\n'))
                 return False
     output(g('<<< Checking vports passed\n'))
     return True
Example #3
0
 def _check_compute_node_snat_ns(self, ns_router):
     """
     Check the local router namespace on compute node
     :param ns_router:
     :return: list of the fip ns
     """
     if not ns_router:
         return
     self.nss.show(ns_router)
     intfs = NameSpace(ns_router).get_intfs()
     rfp_ports = []  # list of {'intf':eth0, 'ip':[]}
     for i in intfs:  # check each intf in this ns
         p = intfs[i]['intf']
         if p.startswith('rfp-'):  # rfp port in q connect to fpr in fip
             rfp_ports.append(p)
             output(b('### Checking rfp port %s\n' % p))
             if len(intfs[i]['ip']) < 2:
                 warn(r('Missing ips for port %s\n' % p))
                 continue
             else:
                 output(
                     g('Found associated floating ips : %s\n' %
                       ', '.join(intfs[i]['ip'][1:])))
             ns_fip = self.nss.get_intf_by_name('fpr-' +
                                                intfs[i]['intf'][4:])
             if not ns_fip:
                 warn(r('Cannot find fip ns for %s\n' % q))
                 return
             self._check_compute_node_fip_ns(intfs[i], ns_fip)
             self._check_compute_node_nat_table(ns_router, ns_fip)
     if not rfp_ports:
         warn(r('Cannot find rfp port in ns %s\n' % ns_router))
     elif len(rfp_ports) > 1:
         warn(r('More than 1 rfp ports in ns %s\n' % ns_router))
Example #4
0
 def _check_compute_node_snat_ns(self, ns_router):
     """
     Check the local router namespace on compute node
     :param ns_router:
     :return: list of the fip ns
     """
     if not ns_router:
         return
     self.nss.show(ns_router)
     intfs = NameSpace(ns_router).get_intfs()
     rfp_ports = []  # list of {'intf':eth0, 'ip':[]}
     for i in intfs:  # check each intf in this ns
         p = intfs[i]['intf']
         if p.startswith('rfp-'):  # rfp port in q connect to fpr in fip
             rfp_ports.append(p)
             output(b('### Checking rfp port %s\n' % p))
             if len(intfs[i]['ip']) < 2:
                 warn(r('Missing ips for port %s\n' % p))
                 continue
             else:
                 output(g('Found associated floating ips : %s\n'
                          % ', '.join(intfs[i]['ip'][1:])))
             ns_fip = self.nss.get_intf_by_name('fpr-'+intfs[i]['intf'][4:])
             if not ns_fip:
                 warn(r('Cannot find fip ns for %s\n' % q))
                 return
             self._check_compute_node_fip_ns(intfs[i], ns_fip)
             self._check_compute_node_nat_table(ns_router, ns_fip)
     if not rfp_ports:
         warn(r('Cannot find rfp port in ns %s\n' % ns_router))
     elif len(rfp_ports) > 1:
         warn(r('More than 1 rfp ports in ns %s\n' % ns_router))
Example #5
0
    def _network_check_processes(self):
        """
        Check related configuration files
        :return: True if no warning
        """
        output(b('>>> Checking processes...\n'))
        warns = False
        cmd = "ps aux|grep neutron|grep python"
        result, err = \
            Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True).communicate()
        if err:
            return []

        for p in [
            'neutron-server',
            'neutron-dhcp-agent',
            'neutron-metadata-agent',
            'neutron-openvswitch-agent',
            'neutron-l3-agent',
            #'neutron-ns-metadata-proxy',
            ]:
            if p not in result:
                warn(r('%s service is not running\n' % p))
                warns = True

        if not warns:
            output(g('<<< Checking processes passed\n'))
            return True
        else:
            warn(r('<<< Checking processes has warnings\n'))
            return False
Example #6
0
    def _network_check_bridges(self):
        """
        Check the bridge information
        :return:
        """
        output(b('>>> Checking bridges...\n'))
        bridges = get_all_bridges()
        names = bridges.keys()
        brvlans = [e for e in names
                  if e not in ['br-int', 'br-ex', 'br-tun']]
        if not brvlans:
            warn(r('No vlan bridge is found\n'))
            return False
        brvlan = brvlans[0]
        output(b('# Existing bridges are %s\n' % ', '.join(names)))
        # check br-int
        if 'br-int' not in names:
            warn(r('No integration bridge is found\n'))
            return False
        else:
            br = Bridge('br-int')
            if not br.has_port('int-'+brvlan) and not br.has_port('patch-tun'):
                if not br.has_port('int-'+brvlan):
                    warn(r('port %s not found in br-int\n' % 'int-'+brvlan))
                if not br.has_port('patch-tun'):
                    warn(r('port %s not found in br-int\n' % 'patch-tun'))
                return False

        # check br-ex
        if 'br-ex' not in names:
            warn(r('No external bridge is found\n'))
            return False
        else:
            br = Bridge('br-ex')
            if not br.has_port_start_with('qg-'):
                warn(r('No qg port found in br-ex\n'))

        if 'br-tun' not in names:
            warn(r('No tunnel bridge is found\n'))
            return False
        else:
            br = Bridge('br-tun')
            if not br.has_port('patch-int'):
                warn(r('port %s not found in br-tun\n' % 'patch-int'))
                return False

        br = Bridge(brvlan)
        if not br.has_port('phy-'+brvlan):
            warn(r('port %s not found in %s\n' % ('phy-'+brvlan, brvlan)))

        output(b('# Vlan bridge is at %s\n' % ', '.join(names)))
        output(g('<<< Checking bridges passed\n'))
        return True
Example #7
0
 def _check_compute_node_fip_ns(self, rfp_port, ns_fip):
     """
     Check a fip namespace on compute node
     :param rfp_port:
     :return:
     """
     q = 'fpr-' + rfp_port['intf'][4:]
     output(b('### Checking associated fpr port %s\n' % q))
     self.nss.show(ns_fip)
     output(b('### Check related fip_ns=%s\n' % ns_fip))
     fpr_port = NameSpace(ns_fip).get_intf_by_name(q)
     if not fpr_port:
         warn(r('Cannot find fpr_port in fip ns %s\n' % ns_fip))
         return
     a_ip, a_mask = rfp_port['ip'][0].split('/')
     b_ip, b_mask = fpr_port['ip'][0].split('/')
     if networkMask(a_ip, a_mask) != networkMask(b_ip, b_mask):
         warn(
             r('Different subnets for %s and %s\n' %
               (rfp_port['ip'][0], fpr_port['ip'][0])))
         return
     else:
         output(g('Bridging in the same subnet\n'))
     fg_port = NameSpace(ns_fip).find_intf('fg-')
     if not fg_port:
         warn('Cannot find fg_port in fip ns %s\n' % ns_fip)
         return
     if fg_port['intf'] in Bridge('br-ex').get_ports():
         output(g('fg port is attached to br-ex\n'))
     else:
         warn(g('fg port is NOT attached to br-ex\n'))
         return
     for float_ip in rfp_port['ip'][1:]:
         ip = float_ip.split('/')[0]
         if ipInNetwork(ip, fg_port['ip'][0]):
             output(g('floating ip %s match fg subnet\n' % ip))
         else:
             warn(r('floating ip %s No match the fg subnet' % ip))
Example #8
0
    def _check_chain_has_rule(self, table, c_name, rule):
        """

        :param rule:
        :return: True or False
        """
        output(b('Checking chain rules: %s...' % c_name))
        c = table.get_chain(c_name)
        if not c.has_rule(rule):
            warn(r("Defined rule %s not in %s\n" % (rule, c_name)))
            return False
        else:
            output(g('Passed\n'))
            return True
Example #9
0
    def _check_chain_has_rule(self, table, c_name, rule):
        """

        :param rule:
        :return: True or False
        """
        output(b('Checking chain rules: %s...' % c_name))
        c = table.get_chain(c_name)
        if not c.has_rule(rule):
            warn(r("Defined rule not in %s\n" % c_name))
            return False
        else:
            output(g('Passed\n'))
            return True
Example #10
0
 def _compute_check_fip_ns(self, rfp_port, ns_fip):
     """
     Check a fip namespace on compute node
     :param rfp_port:
     :return: True or False
     """
     q = 'fpr-'+rfp_port['intf'][4:]
     output(b('### Checking associated fpr port %s\n' % q))
     #self.nss.show(ns_fip)
     output(b('### Check related fip_ns=%s\n' % ns_fip))
     fpr_port = NameSpace(ns_fip).get_intf_by_name(q)
     if not fpr_port:
         warn(r('Cannot find fpr_port in fip ns %s\n' % ns_fip))
         return False
     if networkMask(rfp_port['ip'][0]) != networkMask(fpr_port['ip'][0]):
         warn(r('Different subnets for %s and %s\n'
              % (rfp_port['ip'][0], fpr_port['ip'][0])))
         return False
     else:
         output(g('Bridging in the same subnet\n'))
     fg_port = NameSpace(ns_fip).find_intf('fg-')
     if not fg_port:
         warn('Cannot find fg_port in fip ns %s\n' % ns_fip)
         return False
     if fg_port['intf'] in Bridge('br-ex').get_ports():
         output(g('fg port is attached to br-ex\n'))
     else:
         warn(g('fg port is NOT attached to br-ex\n'))
         return False
     for float_ip in rfp_port['ip'][1:]:
         ip = float_ip.split('/')[0]
         if ipInNetwork(ip, fg_port['ip'][0]):
             output(g('floating ip %s match fg subnet\n' % ip))
         else:
             warn(r('floating ip %s No match the fg subnet' % ip))
             return False
     return True
Example #11
0
 def _check_chain_rule_num(self, table, c_name, num):
     """
     Check if the chain has given number of rules.
     :param table: table object
     :param c_name:
     :param num:
     :return:
     """
     output(b('Checking chain rule number: %s...' % c_name))
     c = table.get_chain(c_name)
     if len(c.get_rules()) != num:
         warn(r("Wrong rule number in chain %s\n" % c_name))
         return False
     else:
         output(g('Passed\n'))
         return True
Example #12
0
 def _check_chain_rule_num(self, table, c_name, num):
     """
     Check if the chain has given number of rules.
     :param table:
     :param c_name:
     :param num:
     :return:
     """
     output(b('Checking chain rule number: %s...' % c_name))
     c = table.get_chain(c_name)
     if len(c.get_rules()) != num:
         warn(r("Wrong rule number in chain %s\n" % c_name))
         return False
     else:
         output(g('Passed\n'))
         return True
Example #13
0
 def _check_compute_node(self):
     """
     Check the qrouter-***  fip-*** spaces in the compute node.
     :return:
     """
     checked_ns = []
     for port in self.br_int.get_ports():
         if port.startswith('qr-'):  # qrouter port
             output(b('## Checking router port = %s\n' % port))
             nsrouter = self.nss.get_intf_by_name(port)
             if nsrouter in checked_ns:
                 output(g('Checking passed already\n'))
                 continue
             else:
                 checked_ns.append(nsrouter)  # the names of the ns checked
                 self._check_compute_node_snat_ns(nsrouter)
             pass
     pass
Example #14
0
 def _check_compute_node(self):
     """
     Check the qrouter-***  fip-*** spaces in the compute node.
     :return:
     """
     checked_ns = []
     for port in self.br_int.get_ports():
         if port.startswith('qr-'):  # qrouter port
             output(b('## Checking router port = %s\n' % port))
             nsrouter = self.nss.get_intf_by_name(port)
             if nsrouter in checked_ns:
                 output(g('Checking passed already\n'))
                 continue
             else:
                 checked_ns.append(nsrouter)  # the names of the ns checked
                 self._check_compute_node_snat_ns(nsrouter)
             pass
     pass
Example #15
0
 def _compute_node_check(self):
     """
     Check the qrouter-***  fip-*** spaces in the compute node.
     :return:
     """
     output(b('=== Checking DVR on compute node ===\n'))
     flag = True
     if not self._compute_check_config_files():
         flag = False
     output('\n')
     if not self._compute_check_bridges():
         flag = False
     output('\n')
     if not self._compute_check_vports():
         flag = False
     if flag:
         output(g('=== PASSED Checking DVR on compute node ===\n'))
     else:
         warn(r('=== FAILED Checking DVR on compute node ===\n'))
     return flag
Example #16
0
 def _compute_check_vports(self):
     """
     Check the vport related information and rules
     :return:
     """
     checked_ns = []
     output(b('>>> Checking vports ...\n'))
     for port in self.br_int.get_ports():
         if port.startswith('qr-'):  # qrouter port
             output(b('## Checking router port = %s\n' % port))
             nsrouter = self.nss.get_ns_by_port(port)
             if nsrouter in checked_ns:
                 output(g('Checking passed already\n'))
                 continue
             else:
                 checked_ns.append(nsrouter)  # the names of the ns checked
                 if not self._compute_check_router_ns(nsrouter):
                     warn(r('<<< Checking vports failed\n'))
                     return False
     output(b('<<< Checking vports passed\n'))
     return True
Example #17
0
    def _network_check_config_files(self):
        """
        Check related configuration files
        :return: True if no warning
        """
        warns = False
        output(b('>>> Checking config files...\n'))
        file = '/etc/sysctl.conf'
        lines = [
            'net.ipv4.ip_forward=1',
            'net.ipv4.conf.default.rp_filter=0',
            'net.ipv4.conf.all.rp_filter=0',
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s NOT has %s\n' % (file, l)))
                warns = True

        file = '/etc/neutron/neutron.conf'
        lines = [
            '[DEFAULT]',
            'router_distributed = True',
            'core_plugin = neutron.plugins.ml2.plugin.Ml2Plugin',
            'allow_overlapping_ips = True',
            'allow_automatic_l3agent_failover = True',
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s NOT has %s\n' % (file, l)))
                warns = True

        file = '/etc/neutron/plugins/ml2/ml2_conf.ini'
        lines = [
            '[securitygroup]',
            'enable_security_group = True',
            'enable_ipset = True',
            '[ovs]',
            'bridge_mappings = external:br-ex',
            '[agent]',
            'l2_population = True',
            'enable_distributed_routing = True',
            'arp_responder = True',
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s Not has %s\n' % (file, l)))
                warns = True

        file = '/etc/neutron/l3_agent.ini'
        lines = [
            '[DEFAULT]',
            'use_namespaces = True',
            #'external_network_bridge =',
            'router_delete_namespaces = True',
            'agent_mode = dvr_snat',
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s NOT has %s\n' % (file, l)))
                warns = True

        file = '/etc/neutron/dhcp_agent.ini'
        lines = [
            '[DEFAULT]',
            'interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver',
            'dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq',
            'use_namespaces = True',
            'dhcp_delete_namespaces = True',
            'dnsmasq_config_file = /etc/neutron/dnsmasq-neutron.conf'
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s Not has %s\n' % (file, l)))
                if l == lines[-1]:
                    warn(r(' Suggest change MTU if using VXLAN, '))
                    warn(r('adding following line into '
                           '/etc/neutron/dnsmasq-neutron.conf\n'))
                    warn(r(' dhcp-option-force=26,1450\n'))
                warns = True
        if not warns:
            output(g('<<< Checking config files passed\n'))
            return True
        else:
            warn(r('<<< Checking config files has warnings\n'))
            return False
Example #18
0
    def _check_compute_node_nat_rules(self, qr_intfs, rfp_intfs, nat, ns_fip):
        """
        Check three chains rules match with each other
        :param nat: the nat table
        :param ns_fip:
        :return: True or False
        """
        c_name = 'neutron-l3-agent-PREROUTING'
        rule = {
            'in': 'qr-+',
            'source': '*',
            'out': '*',
            'destination': '169.254.169.254',
            'target': 'REDIRECT',
            'prot': 'tcp',
            'flags': 'tcp dpt:80 redir ports 9697'
        }
        if not self._check_chain_has_rule(nat, c_name, rule):
            return False

        ips_qr = [
            item for sublist in map(lambda x: x['ip'], qr_intfs)
            for item in sublist
        ]
        ips_rfp = [
            item for sublist in map(lambda x: x['ip'], rfp_intfs)
            for item in sublist
        ]

        for intf in rfp_intfs:
            c_name = 'neutron-l3-agent-PREROUTING'
            for ip_m in intf['ip'][1:]:  # check each floating ip
                dip = ip_m.split('/')[0]  # real floating ip for destination
                if not ipInNetworks(dip, ips_rfp):
                    warn(r('dip %s not in rfp ports %s\n' % (dip, ips_rfp)))
                    return False
                rule = nat.get_rule(c_name, {'destination': dip})
                sip = rule.get_flags().split(':')[1]
                if not ipInNetworks(sip, ips_qr):
                    warn(r('sip %s not in qr port %s\n' % (sip, ips_qr)))
                    return False
                rule_expect = {
                    'in': '*',
                    'source': '*',
                    'out': '*',
                    'destination': dip,
                    'target': 'DNAT',
                    'prot': '*',
                    'flags': 'to:' + sip
                }
                if not rule.is_match(rule_expect):
                    warn(r('rule not matched in %s\n' % (c_name)))
                    return False
                if not self._check_chain_has_rule(
                        nat, 'neutron-l3-agent-OUTPUT', rule_expect):
                    return False
                else:
                    output(
                        g('DNAT for incomping: %s --> %s passed\n' %
                          (dip, sip)))
                rule_expect = {
                    'in': '*',
                    'source': sip,
                    'out': '*',
                    'destination': '*',
                    'target': 'SNAT',
                    'prot': '*',
                    'flags': 'to:' + dip
                }
                if not self._check_chain_has_rule(
                        nat, 'neutron-l3-agent-float-snat', rule_expect):
                    return False
                else:
                    output(
                        g('SNAT for outgoing: %s --> %s passed\n' %
                          (sip, dip)))
        return True
Example #19
0
 def _network_check_dhcp_ns(self, ns_dhcp):
     """
     Check the local router namespace on compute node
     :param ns_router:
     :return: list of the fip ns
     """
     output(b('### Checking dhcp ns = %s...' % ns_dhcp))
     if not ns_dhcp or not ns_dhcp.startswith('qdhcp-'):
         warn(r('Given dhcp ns %s name is invalid\n' % ns_dhcp))
         return False
     warns = False
     intfs = NameSpace(ns_dhcp).get_intfs()
     dhcp_ports = []  # list of {'intf':eth0, 'ip':[]}
     for i in intfs:  # check each intf in this ns
         p = intfs[i]['intf']
         if p == 'lo':  # ignore the lo port
             continue
         elif not p.startswith('tap'):  # no router port?
             warn(r('Invalid port dhcp %s in %s\n' % (p, ns_dhcp)))
             return False
         else:
             dhcp_ports.append(p)
             if not intfs[i]['ip']:
                 warn(r('No ip with dhcp port %s in %s\n' % (p, ns_dhcp)))
                 return False
             for ip_m in intfs[i]['ip']:
                 if ip_m.startswith('169.254'):
                     continue
                 ip, mask = ip_m.split('/')
                 intf = intfs[i]['intf']
                 #  we do not checking the process here is because
                 # subprocess.Popen can only get one line of each process,
                 #  while dnsmasq process is of several lines.
                 cmd = 'grep %s /var/lib/neutron/dhcp/%s/interface'\
                       % (intf, ns_dhcp[6:])
                 result, err = \
                     Popen(cmd, stdout=PIPE, stderr=PIPE,
                           shell=True).communicate()
                 if err:
                     warn(r(err))
                     return False
                 if not result:
                     warn(r('Not found dhcp intf %s in cfg\n' % intf))
                     return False
                 cmd = 'grep %s /var/lib/neutron/dhcp/%s/host'\
                       % (ip, ns_dhcp[6:])
                 result, err = \
                     Popen(cmd, stdout=PIPE, stderr=PIPE,
                           shell=True).communicate()
                 if err:
                     warn(r(err))
                     return False
                 if not result:
                     warn(r('Not found dhcp server addr %s in cfg\n' %
                            ip))
                     return False
     if not dhcp_ports:
         warn(r('Cannot find dhcp port in ns %s\n' % ns_dhcp))
         return False
     output(g('Passed\n'))
     return True
Example #20
0
    def _compute_check_config_files(self):
        """
        Check related configuration files
        :return: True if no warning
        """
        warns = False
        output(b('>>> Checking config files...\n'))
        file = '/etc/sysctl.conf'
        lines = [
            'net.ipv4.ip_forward=1',
            'net.ipv4.conf.default.rp_filter=0',
            'net.ipv4.conf.all.rp_filter=0',
            'net.bridge.bridge-nf-call-iptables=1',
            'net.bridge.bridge-nf-call-ip6tables=1'
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s NOT has %s\n' % (file, l)))
                warns = True

        file = '/etc/neutron/neutron.conf'
        lines = [
            '[DEFAULT]',
            #'router_distributed = True',
            'core_plugin = neutron.plugins.ml2.plugin.Ml2Plugin',
            'allow_overlapping_ips = True',
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s NOT has %s\n' % (file, l)))
                warns = True

        file = '/etc/neutron/plugins/ml2/ml2_conf.ini'
        lines = [
            '[agent]',
            'l2_population = True',
            'enable_distributed_routing = True',
            'arp_responder = True',
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s Not has %s\n' % (file, l)))
                warns = True

        file = '/etc/neutron/l3_agent.ini'
        lines = [
            '[DEFAULT]',
            'use_namespaces = True',  # optional
            'router_delete_namespaces = True',
            'agent_mode = dvr',
        ]
        output(b('# Checking file = %s...\n' % file))
        for l in lines:
            if not fileHasLine(file, l):
                warn(r('file %s NOT has %s\n' % (file, l)))
                warns = True
        if not warns:
            output(g('<<< Checking config files passed\n'))
            return True
        else:
            warn(r('<<< Checking config files has warnings\n'))
            return False