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[toranj] test-case for adding IPv6 addresses (#2853)
This commit adds a `toranj` test for adding/removing IPv6 addresses
on routers, FEDs, and SEDs (on network interface).
The test then covers the following:
- Verify "IPv6:AllAddresses" wpantund property.
- Verify that prefixes are present in network data corresponding
to added addresses (on all nodes).
- Verify that a SED does register the address with its parents
("Thread:ChildTable:Addresses" wpantund property).
- Verify that addresses/prefixes are retained by wpantund over
NPC resets.
- Verify that when an address is removed on network interface
its corresponding prefix is also removed (on all nodes).
This commit is contained in:
Abtin Keshavarzian
committed by
Jonathan Hui
Jonathan Hui
parent
da9d0df373
commit
4e6e1bc568
@@ -126,6 +126,7 @@ run test-010-on-mesh-prefix-config-gateway.py
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run test-011-child-table.py
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run test-012-multi-hop-traffic.py
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run test-013-off-mesh-route-traffic.py
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run test-014-ip6-address-add.py
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run test-100-mcu-power-state.py
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run test-600-channel-manager-properties.py
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run test-601-channel-manager-channel-change.py
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@@ -0,0 +1,186 @@
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#!/usr/bin/env python
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#
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# Copyright (c) 2018, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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import time
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import wpan
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from wpan import verify
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#-----------------------------------------------------------------------------------------------------------------------
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# Test description: Adding/Removing IPv6 addresses on routers and SEDs on network interface.
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#
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# Test topology:
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#
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# r1 ---- r2
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# | |
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# | |
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# fed1 sed2
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#
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# IPv6 addresses are added as follows:
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# - On `r2` add `IP6_ADDR_1` with prefix `IP6_PREFIX_1`
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# - On `fed1` add `IP6_ADDR_2` with prefix `IP6_PREFIX_2`
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# - On `sed2` add `IP6_ADDR_3` with prefix `IP6_PREFIX_3`
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#
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# The test then covers the following:
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# - Verify that the addresses are present in "IPv6:AllAddresses" wpantund property on the corresponding node.
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# - Verify that all prefixes are present in network data with correct configuration flags (on all nodes).
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# - Verify that `sed2`'s address is present in `r2` (its parent) "Thread:ChildTable:Addresses".
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# - Verify that addresses/prefixes are retained by wpantund over NCP reset.
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# - Verify that when an IPv6 address is removed from network interface, its corresponding prefix is also removed from
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# all nodes.
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test_name = __file__[:-3] if __file__.endswith('.py') else __file__
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print '-' * 120
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print 'Starting \'{}\''.format(test_name)
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#-----------------------------------------------------------------------------------------------------------------------
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# Creating `wpan.Nodes` instances
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speedup = 4
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wpan.Node.set_time_speedup_factor(speedup)
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r1 = wpan.Node()
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fed1 = wpan.Node()
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r2 = wpan.Node()
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sed2 = wpan.Node()
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all_nodes = [r1, fed1, r2, sed2]
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#-----------------------------------------------------------------------------------------------------------------------
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# Init all nodes
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wpan.Node.init_all_nodes()
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for node in all_nodes:
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node.set(wpan.WPAN_OT_LOG_LEVEL, '0')
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#-----------------------------------------------------------------------------------------------------------------------
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# Build network topology
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#
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# r1 ---- r2
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# | |
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# | |
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# fed1 sed2
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r1.whitelist_node(r2)
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r2.whitelist_node(r1)
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r1.whitelist_node(fed1)
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fed1.whitelist_node(r1)
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r2.whitelist_node(sed2)
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sed2.whitelist_node(r2)
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r1.form("ip-addr")
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r2.join_node(r1, wpan.JOIN_TYPE_ROUTER)
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fed1.join_node(r1, wpan.JOIN_TYPE_END_DEVICE)
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sed2.join_node(r2, wpan.JOIN_TYPE_SLEEPY_END_DEVICE)
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sed2.set(wpan.WPAN_POLL_INTERVAL, '300')
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#-----------------------------------------------------------------------------------------------------------------------
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# Test implementation
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IP6_PREFIX_1 = "fd00:c0de::"
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IP6_PREFIX_2 = "fd00:deed::"
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IP6_PREFIX_3 = "fd00:beef::"
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IP6_ADDR_1 = IP6_PREFIX_1 + "1"
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IP6_ADDR_2 = IP6_PREFIX_2 + "2"
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IP6_ADDR_3 = IP6_PREFIX_3 + "3"
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# On `r2` add `IP6_ADDR_1` with prefix `IP6_PREFIX_1`
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# On `fed1` add `IP6_ADDR_2` with prefix `IP6_PREFIX_2`
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# On `sed2` add `IP6_ADDR_3` with prefix `IP6_PREFIX_3`
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r2.add_ip6_address_on_interface(IP6_ADDR_1, prefix_len=64)
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fed1.add_ip6_address_on_interface(IP6_ADDR_2, prefix_len=64)
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sed2.add_ip6_address_on_interface(IP6_ADDR_3, prefix_len=64)
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for iter in range(2):
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time.sleep(1.5)
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# Verify that the addresses are present in "IPv6:AllAddresses" wpantund property on the corresponding node.
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verify(r2.find_ip6_address_with_prefix(IP6_PREFIX_1) == IP6_ADDR_1)
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verify(fed1.find_ip6_address_with_prefix(IP6_PREFIX_2) == IP6_ADDR_2)
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verify(sed2.find_ip6_address_with_prefix(IP6_PREFIX_3) == IP6_ADDR_3)
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# Verify that all prefixes are present in network data on all nodes (with correct flags).
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for prefix in [IP6_PREFIX_1, IP6_PREFIX_2, IP6_PREFIX_3]:
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for node in all_nodes:
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prefixes = wpan.parse_on_mesh_prefix_result(node.get(wpan.WPAN_THREAD_ON_MESH_PREFIXES))
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for p in prefixes:
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if p.prefix == prefix:
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verify(p.prefix_len == '64')
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verify(p.is_stable())
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verify(p.is_on_mesh() == True)
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verify(p.is_preferred() == True)
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verify(p.is_def_route() == False)
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verify(p.is_slaac() == False)
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verify(p.is_dhcp() == False)
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verify(p.is_config() == False)
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verify(p.priority == "med")
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break
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else: # `for` loop finished without finding the prefix.
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print 'Did not find prefix {} on node {}'.format(prefix, node)
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exit(1)
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# Verify that IPv6 address of `sed2` is present on `r2` (its parent) "Thread:ChildTable:Addresses".
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addr_str = r2.get(wpan.WPAN_THREAD_CHILD_TABLE_ADDRESSES)
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# search for index on address in the `addr_str` and ensure it is non-negative.
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verify(addr_str.find(IP6_ADDR_3) >= 0)
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if iter == 0:
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# Reset the nodes and verify that all addresses/prefixes are preserved.
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fed1.reset()
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sed2.reset()
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# Remove address from `r2`
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r2.remove_ip6_address_on_interface(IP6_ADDR_1, prefix_len=64)
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time.sleep(1.5)
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# Verify that address is removed from r2
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verify(r2.find_ip6_address_with_prefix(IP6_PREFIX_1) == '')
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# Verify that the related prefix is also removed on all nodes
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for node in all_nodes:
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prefixes = wpan.parse_on_mesh_prefix_result(node.get(wpan.WPAN_THREAD_ON_MESH_PREFIXES))
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for p in prefixes:
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verify(p.prefix != IP6_PREFIX_1)
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#-----------------------------------------------------------------------------------------------------------------------
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# Test finished
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print '\'{}\' passed.'.format(test_name)
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+18
-3
@@ -453,16 +453,31 @@ class Node(object):
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matched_addr = [addr for addr in all_addrs if addr.startswith(prefix)]
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return matched_addr[0] if len(matched_addr) >= 1 else ''
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def add_ip6_address_on_interface(self, address):
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def add_ip6_address_on_interface(self, address, prefix_len=64):
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"""Adds an IPv6 interface on the network interface.
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`address` should be string containing the IPv6 address
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`address` should be string containing the IPv6 address.
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`prefix_len` is an `int` specifying the prefix length.
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NOTE: this method uses linux `ip` command.
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"""
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cmd = 'ip -6 addr add '+ address + ' dev ' + self.interface_name
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cmd = 'ip -6 addr add '+ address + '/{} dev '.format(prefix_len) + self.interface_name
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if self._verbose:
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_log('$ Node{} \'{}\')'.format(self._index, cmd))
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result = subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
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return result
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def remove_ip6_address_on_interface(self, address, prefix_len=64):
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"""Removes an IPv6 interface on the network interface.
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`address` should be string containing the IPv6 address.
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`prefix_len` is an `int` specifying the prefix length.
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NOTE: this method uses linux `ip` command.
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"""
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cmd = 'ip -6 addr del '+ address + '/{} dev '.format(prefix_len) + self.interface_name
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if self._verbose:
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_log('$ Node{} \'{}\')'.format(self._index, cmd))
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result = subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
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return result
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#------------------------------------------------------------------------------------------------------------------
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# class methods
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