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feat: Support blackhole, prohibit and unreachable route types

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It is useful and common practice to configure the routes with blackhole,
prohibit, and unreachable route types when users have BGP routing
setups.

Notice that this feature is only for nm provider using
`network_connections` variable. Configuring blackhole, prohibit, and
unreachable route types is also supported by using `network_state` since
nmstate version 2.2.20 (the setting name is `route-type`).

Resolves: https://issues.redhat.com/browse/RHEL-19579

Signed-off-by: Wen Liang <liangwen12year@gmail.com>
This commit is contained in:
Wen Liang 2023-12-20 16:42:19 -05:00 • committed by Richard Megginson
parent 735d4befa7
commit b7492a27ba
8 changed files with 391 additions and 7 deletions
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20
module_utils/network_lsr/argument_validator.py
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@ -674,6 +674,11 @@ class ArgValidatorIPRoute(ArgValidatorDict):
ArgValidatorNum(
"metric", default_value=-1, val_min=-1, val_max=UINT32_MAX
),
ArgValidatorStr(
"type",
default_value=None,
enum_values=["blackhole", "prohibit", "unreachable"],
),
ArgValidatorRouteTable("table"),
],
default_value=None,
@ -688,6 +693,7 @@ class ArgValidatorIPRoute(ArgValidatorDict):
result["family"] = family
gateway = result["gateway"]
route_type = result["type"]
if gateway is not None:
if family != gateway["family"]:
raise ValidationError(
@ -695,6 +701,12 @@ class ArgValidatorIPRoute(ArgValidatorDict):
"conflicting address family between network and gateway '%s'"
% (gateway["address"]),
)
if route_type is not None:
raise ValidationError(
name,
"a %s route can not have a gateway '%s'"
% (route_type, gateway["address"]),
)
result["gateway"] = gateway["address"]
prefix = result["prefix"]
@ -2607,6 +2619,14 @@ class ArgValidator_ListConnections(ArgValidatorList):
"NetworkManger until NM 1.30",
)
if connection["ip"]["route"]:
if mode == self.VALIDATE_ONE_MODE_INITSCRIPTS:
for route in connection["ip"]["route"]:
if route["type"] is not None:
raise ValidationError.from_connection(
idx,
"type is not supported by initscripts",
)
if connection["ip"]["routing_rule"]:
if mode == self.VALIDATE_ONE_MODE_INITSCRIPTS:
raise ValidationError.from_connection(