Do not clear iface DNS if not desired
Resolves: RHEL-31095 Signed-off-by: Gris Ge <fge@redhat.com>
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Gris Ge
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184
RHEL-31095-do-not-clear-iface-dns-when-not-desired.patch
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184
RHEL-31095-do-not-clear-iface-dns-when-not-desired.patch
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@ -0,0 +1,184 @@
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From daf5e4e2282312a80ade85ac5728babf8b9af8b5 Mon Sep 17 00:00:00 2001
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From: Lubomir Rintel <lkundrak@v3.sk>
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Date: Mon, 17 Jun 2024 19:25:07 +0200
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Subject: [PATCH] nm: don't clear connection DNS if global DNS is not specified
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If the global DNS state is not specified, let's not overwrite it in
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Networkmanager profiles while doing unrelated changes.
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This is consistent with mainline (Rust) version of nmstate.
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Resolves: https://issues.redhat.com/browse/RHEL-31095
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Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
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Signed-off-by: Gris Ge <fge@redhat.com>
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---
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libnmstate/dns.py | 2 +-
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libnmstate/nm/connection.py | 10 +++++++---
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libnmstate/nm/ipv4.py | 11 ++++++-----
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libnmstate/nm/ipv6.py | 11 ++++++-----
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libnmstate/nm/profile.py | 8 +++++---
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libnmstate/nm/profiles.py | 7 ++++++-
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6 files changed, 31 insertions(+), 18 deletions(-)
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diff --git a/libnmstate/dns.py b/libnmstate/dns.py
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index 5bb512e8..f50b9bfd 100644
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--- a/libnmstate/dns.py
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+++ b/libnmstate/dns.py
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@@ -51,7 +51,7 @@ class DnsState:
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self._config_changed = False
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self._cur_dns_state = deepcopy(cur_dns_state) if cur_dns_state else {}
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self._dns_state = merge_dns(des_dns_state, cur_dns_state or {})
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- if self._dns_state == REMOVE_DNS_CONFIG:
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+ if des_dns_state is not None and self._dns_state == REMOVE_DNS_CONFIG:
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self._config_changed = True
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elif des_dns_state and des_dns_state.get(DNS.CONFIG):
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if cur_dns_state:
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diff --git a/libnmstate/nm/connection.py b/libnmstate/nm/connection.py
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index 6448e372..a6aac82c 100644
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--- a/libnmstate/nm/connection.py
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+++ b/libnmstate/nm/connection.py
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@@ -104,11 +104,15 @@ class _ConnectionSetting:
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return self._setting
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-def create_new_nm_simple_conn(iface, nm_profile):
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+def create_new_nm_simple_conn(iface, nm_profile, clear_dns=False):
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nm_iface_type = Api2Nm.get_iface_type(iface.type)
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iface_info = iface.to_dict()
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- ipv4_set = create_ipv4_setting(iface_info.get(Interface.IPV4), nm_profile)
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- ipv6_set = create_ipv6_setting(iface_info.get(Interface.IPV6), nm_profile)
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+ ipv4_set = create_ipv4_setting(
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+ iface_info.get(Interface.IPV4), nm_profile, clear_dns
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+ )
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+ ipv6_set = create_ipv6_setting(
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+ iface_info.get(Interface.IPV6), nm_profile, clear_dns
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+ )
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set_wait_ip(ipv4_set, ipv6_set, iface_info.get(Interface.WAIT_IP))
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settings = [ipv4_set, ipv6_set]
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con_setting = _ConnectionSetting()
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diff --git a/libnmstate/nm/ipv4.py b/libnmstate/nm/ipv4.py
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index 32b3428e..3f4de059 100644
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--- a/libnmstate/nm/ipv4.py
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+++ b/libnmstate/nm/ipv4.py
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@@ -13,7 +13,7 @@ from .common import NM
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INT32_MAX = 2**31 - 1
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-def create_setting(config, base_con_profile):
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+def create_setting(config, base_con_profile, clear_dns=True):
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setting_ipv4 = None
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if base_con_profile and config and config.get(InterfaceIPv4.ENABLED):
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setting_ipv4 = base_con_profile.get_setting_ip4_config()
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@@ -28,10 +28,11 @@ def create_setting(config, base_con_profile):
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setting_ipv4.props.route_metric = Route.USE_DEFAULT_METRIC
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setting_ipv4.clear_routes()
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setting_ipv4.clear_routing_rules()
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- setting_ipv4.clear_dns()
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- setting_ipv4.clear_dns_searches()
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- setting_ipv4.clear_dns_options(False)
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- setting_ipv4.props.dns_priority = nm_dns.DEFAULT_DNS_PRIORITY
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+ if clear_dns:
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+ setting_ipv4.clear_dns()
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+ setting_ipv4.clear_dns_searches()
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+ setting_ipv4.clear_dns_options(False)
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+ setting_ipv4.props.dns_priority = nm_dns.DEFAULT_DNS_PRIORITY
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if not setting_ipv4:
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setting_ipv4 = NM.SettingIP4Config.new()
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diff --git a/libnmstate/nm/ipv6.py b/libnmstate/nm/ipv6.py
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index f84d895c..fb3cdcf0 100644
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--- a/libnmstate/nm/ipv6.py
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+++ b/libnmstate/nm/ipv6.py
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@@ -67,7 +67,7 @@ def get_info(active_connection, applied_config):
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return info
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-def create_setting(config, base_con_profile):
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+def create_setting(config, base_con_profile, clear_dns=True):
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setting_ip = None
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if base_con_profile and config and config.get(InterfaceIPv6.ENABLED):
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setting_ip = base_con_profile.get_setting_ip6_config()
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@@ -82,10 +82,11 @@ def create_setting(config, base_con_profile):
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setting_ip.props.gateway = None
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setting_ip.props.route_table = Route.USE_DEFAULT_ROUTE_TABLE
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setting_ip.props.route_metric = Route.USE_DEFAULT_METRIC
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- setting_ip.clear_dns()
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- setting_ip.clear_dns_searches()
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- setting_ip.clear_dns_options(False)
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- setting_ip.props.dns_priority = nm_dns.DEFAULT_DNS_PRIORITY
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+ if clear_dns:
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+ setting_ip.clear_dns()
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+ setting_ip.clear_dns_searches()
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+ setting_ip.clear_dns_options(False)
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+ setting_ip.props.dns_priority = nm_dns.DEFAULT_DNS_PRIORITY
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if not setting_ip:
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setting_ip = NM.SettingIP6Config.new()
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diff --git a/libnmstate/nm/profile.py b/libnmstate/nm/profile.py
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index a0b1c8f8..acb849b6 100644
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--- a/libnmstate/nm/profile.py
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+++ b/libnmstate/nm/profile.py
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@@ -273,7 +273,9 @@ class NmProfile:
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self._iface.type == InterfaceType.ETHERNET and self._iface.is_peer
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)
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- def prepare_config(self, save_to_disk, gen_conf_mode=False):
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+ def prepare_config(
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+ self, save_to_disk, gen_conf_mode=False, clear_dns=True
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+ ):
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if self._iface.is_absent or (
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self._iface.is_down
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and not gen_conf_mode
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@@ -307,7 +309,7 @@ class NmProfile:
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# of nmstate should provide full/merged configure.
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if self._iface.is_changed or self._iface.is_desired:
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self._nm_simple_conn = create_new_nm_simple_conn(
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- self._iface, self._nm_profile
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+ self._iface, self._nm_profile, clear_dns
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)
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elif self._nm_profile:
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self._nm_simple_conn = NM.SimpleConnection.new_clone(
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@@ -316,7 +318,7 @@ class NmProfile:
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else:
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try:
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self._nm_simple_conn = create_new_nm_simple_conn(
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- self._iface, self._nm_profile
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+ self._iface, self._nm_profile, clear_dns
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)
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# No error for undesired interface
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except NmstateError:
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diff --git a/libnmstate/nm/profiles.py b/libnmstate/nm/profiles.py
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index e68efdf3..9ce21938 100644
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--- a/libnmstate/nm/profiles.py
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+++ b/libnmstate/nm/profiles.py
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@@ -52,6 +52,7 @@ class NmProfiles:
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def apply_config(self, net_state, save_to_disk):
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if net_state.dns.config_changed:
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+ clear_profile_dns = True
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if net_state.use_global_dns:
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apply_global_dns(
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net_state.dns.config_servers,
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@@ -60,6 +61,8 @@ class NmProfiles:
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)
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else:
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apply_global_dns([], [], [])
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+ else:
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+ clear_profile_dns = False
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self._prepare_state_for_profiles(net_state)
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# The activation order on bridge/bond ports determins their controler's
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@@ -74,7 +77,9 @@ class NmProfiles:
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for profile in all_profiles:
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profile.import_current()
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- profile.prepare_config(save_to_disk, gen_conf_mode=False)
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+ profile.prepare_config(
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+ save_to_disk, gen_conf_mode=False, clear_dns=clear_profile_dns
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+ )
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_use_uuid_as_controller_and_parent(all_profiles)
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changed_ovs_bridges_and_ifaces = {}
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--
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2.45.2
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@ -4,7 +4,7 @@
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Name: nmstate
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Version: 1.4.6
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Release: 3%{?dist}
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Release: 4%{?dist}
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Summary: Declarative network manager API
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License: LGPLv2+
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URL: https://github.com/%{srcname}/%{srcname}
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@ -16,6 +16,7 @@ Source3: %{url}/releases/download/v%{version}/%{srcname}-vendor-%{version
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Patch0: BZ_2132570-nm-reverse-IPv6-order-before-adding-them-to-setting.patch
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Patch10: 0001-clib-Use-build.rs-to-fix-SONAME.patch
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Patch11: RHEL-44623-fix-global-dns.patch
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Patch12: RHEL-31095-do-not-clear-iface-dns-when-not-desired.patch
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BuildRequires: python3-devel
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BuildRequires: python3-setuptools
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BuildRequires: gnupg2
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@ -143,6 +144,9 @@ popd
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/sbin/ldconfig
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%changelog
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* Sun Jul 14 2024 Gris Ge <fge@redhat.com> - 1.4.6-4
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- Do not clear iface DNS if not desired. RHEL-31095
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* Wed Jun 26 2024 Gris Ge <fge@redhat.com> - 1.4.6-3
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- Fix global DNS on second apply. RHEL-44623
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