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https://github.com/kernelkit/infix.git
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Joachim Wiberg
476c2ebe40
- Add check for specific 169.254/16 adddress (new feature) - Add check for disabling autoconf on interface (regression test #638) Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
105 lines
3.2 KiB
Python
Executable File
105 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# PC ---- e0: 10.0.0.2
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#
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"""
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IPv4 link-local
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Verifies that link-local (IPv4LL/ZeroConf) address assignment work as
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expected. Checks random address, the request-address setting, and
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address removal on autoconf disable.
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"""
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import ipaddress
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import infamy
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import infamy.iface
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from infamy.util import until
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def has_linklocal(target, iface, request=None):
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"""Check if interface as a link-local address"""
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addrs = infamy.iface.get_ipv4_address(target, iface)
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if not addrs:
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return False
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for addr in addrs:
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if addr['origin'] == "random":
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if request is None:
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print(f"Got IP address {addr['ip']}")
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return True
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if addr['ip'] == request:
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print(f"Got requested IP address {addr['ip']}")
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return True
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return False
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def no_linklocal(target, iface):
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"""Check if interface has no link-local address in the 169.254/16 range"""
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addrs = infamy.iface.get_ipv4_address(target, iface)
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if not addrs:
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return True
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for addr in addrs:
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ip = ipaddress.IPv4Address(addr['ip'])
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if ip in ipaddress.IPv4Network('169.254.0.0/16'):
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return False
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return True
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with infamy.Test() as test:
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with test.step("Initialize"):
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env = infamy.Env()
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target = env.attach("target", "mgmt")
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with test.step("Configure an interface with IPv4 ZeroConf IP"):
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_, tport = env.ltop.xlate("target", "data")
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target.put_config_dict("ietf-interfaces", {
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"interfaces": {
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"interface": [
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{
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"name": tport,
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"enabled": True,
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"ipv4": {
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"autoconf": {
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"enabled": True
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}
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}
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}
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]
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}
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})
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with test.step("Verify link local address exist on target:mgmt"):
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until(lambda: has_linklocal(target, tport), attempts=30)
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with test.step("Configure target:mgmt with a specific IPv4 ZeroConf IP"):
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_, tport = env.ltop.xlate("target", "data")
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target.put_config_dict("ietf-interfaces", {
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"interfaces": {
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"interface": [
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{
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"name": tport,
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"enabled": True,
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"ipv4": {
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"autoconf": {
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"enabled": True,
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"request-address": "169.254.42.42"
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}
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}
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}
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]
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}
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})
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with test.step("Verify target:mgmt has link local address 169.254.42.42"):
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until(lambda: has_linklocal(target, tport, request="169.254.42.42"),
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attempts=30)
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with test.step("Remove IPv4 link-local addresses from target:mgmt"):
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xpath = f"/ietf-interfaces:interfaces/interface[name='{tport}']" \
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"/ietf-ip:ipv4/infix-ip:autoconf"
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target.delete_xpath(xpath)
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until(lambda: no_linklocal(target, tport), attempts=30)
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test.succeed()
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