mirror of
https://github.com/kernelkit/infix.git
synced 2026-07-29 12:13:01 +02:00
Joachim Wiberg
1bbd80d8c7
Let's drop the leading IETF or Infix prefixes from tests. Initially the idea was to mimnic the YANG models, but it's difficult to navigate and does not provide any real benefit to developers or end-users. Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
102 lines
3.2 KiB
Python
Executable File
102 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python3
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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("Set up topology and attach to target DUT"):
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env = infamy.Env()
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target = env.attach("target", "mgmt")
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with test.step("Configure interface target:data 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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"infix-ip:autoconf": {}
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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:data"):
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until(lambda: has_linklocal(target, tport), attempts=30)
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with test.step("Configure target:data 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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"infix-ip:autoconf": {
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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:data 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:data"):
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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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with test.step("Verify link-local addresses has been removed from target:data"):
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until(lambda: no_linklocal(target, tport), attempts=30)
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test.succeed()
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