181 lines
7.0 KiB
Python
Executable File
181 lines
7.0 KiB
Python
Executable File
#!/usr/bin/python3 -cimport os, sys; os.execv(os.path.dirname(sys.argv[1]) + "/../common/pywrap", sys.argv)
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# This file is part of Cockpit.
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#
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# Copyright (C) 2013 Red Hat, Inc.
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#
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# Cockpit is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# Cockpit is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
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from netlib import NetworkCase, re
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from testlib import skipDistroPackage, skipImage, skipOstree, test_main, wait
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@skipImage("No network checkpoint support", "ubuntu-*")
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@skipDistroPackage()
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class TestNetworkingCheckpoints(NetworkCase):
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def testCheckpoint(self):
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b = self.browser
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m = self.machine
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iface = self.get_iface(m, "52:54:00:12:34:56")
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if "debian" in m.image:
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self.sed_file("s/managed=false/managed=true/", "/etc/NetworkManager/NetworkManager.conf",
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"systemctl restart NetworkManager")
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if m.image == "arch":
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self.sed_file("s/unmanaged-devices=interface-name:eth0//", "/etc/NetworkManager/conf.d/noauto.conf",
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"systemctl restart NetworkManager")
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self.login_and_go("/network")
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self.nm_checkpoints_enable()
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self.wait_for_iface(iface, prefix="172.")
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self.select_iface(iface)
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b.wait_visible("#network-interface")
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# Disconnect
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self.wait_onoff(f".pf-v5-c-card__header:contains('{iface}')", True)
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self.toggle_onoff(f".pf-v5-c-card__header:contains('{iface}')")
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# Wait for dialog to appear and dismiss it
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with b.wait_timeout(60):
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b.click("#confirm-breaking-change-popup button:contains('Keep connection')")
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b.wait_not_present("#confirm-breaking-change-popup")
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if m.image not in ["debian-testing", "debian-stable"]:
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# Change IP
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self.configure_iface_setting('IPv4')
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b.wait_visible("#network-ip-settings-dialog")
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b.select_from_dropdown("#network-ip-settings-select-method", "manual")
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b.set_input_text('#network-ip-settings-address-0', "1.2.3.4")
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b.set_input_text('#network-ip-settings-netmask-0', "24")
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b.click("#network-ip-settings-save")
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with b.wait_timeout(60):
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b.click("#confirm-breaking-change-popup button:contains('Keep connection')")
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b.wait_not_present("#confirm-breaking-change-popup")
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@skipImage("Main interface settings are read-only", "debian-*")
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@skipImage("not using dhclient", "arch")
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@skipOstree("not using dhclient")
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def testCheckpointSlowRollback(self):
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b = self.browser
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m = self.machine
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# A slow rollback would normally cause the global health check
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# to fail during rollback and prevent showing the
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# #confirm-breaking-change-popup. We expect the global health
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# check failure to be ignored.
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#
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# We test slow rollbacks by slowing down DHCP requests.
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#
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# We need at least 60 seconds of network disconnection to let
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# the health check fail reliably. A rollback is started 7
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# seconds after disconnection, so we need to delay the DHCP
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# request by at least 53 seconds. However, NetworkManager has
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# a default DHCP timeout of 45 seconds, so we need to increase
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# that.
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#
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# Sometimes, NetworkManager extends the DHCP timeout by an
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# additional 480 seconds grace period. This doesn't always
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# happen, so we don't rely on it.
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dhcp_delay = 60
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dhcp_timeout = 120
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# There are a couple of considerations for ordering the
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# following actions:
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#
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# - Changing the main.dhcp config value requires a restart of NM.
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#
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# - A restart of NM might run dhclient, and we don't want it
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# to be slowed down already at that point.
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#
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# - After restarting NM, we need to wait for it to settle
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# again before messing with dhclient.
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#
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# - Simply setting ipv4.dhcp_timeout is not enough if it
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# should be used immediately for a checkpoint rollback, see
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# https://bugzilla.redhat.com/show_bug.cgi?id=1690389. A
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# additional restart is enough.
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#
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# So we set ipv4.dhcp_timeout and main.dhcp, do a restart, log
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# into the UI and wait for the expected interface to appear
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# and be active, and then slow down dhclient.
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iface = self.get_iface(m, "52:54:00:12:34:56")
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con_id = self.iface_con_id(iface)
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m.execute(f'nmcli con mod "{con_id}" ipv4.dhcp-timeout {dhcp_timeout}')
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self.ensure_nm_uses_dhclient()
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self.login_and_go("/network")
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self.nm_checkpoints_enable()
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self.wait_for_iface(iface, prefix="172.")
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self.select_iface(iface)
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b.wait_visible("#network-interface")
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# checkpoints are realtime sensitive, avoid long NM operations
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self.settle_cpu()
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self.slow_down_dhclient(dhcp_delay)
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# Disconnect and trigger a slow rollback
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self.wait_onoff(f".pf-v5-c-card__header:contains('{iface}')", True)
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self.toggle_onoff(f".pf-v5-c-card__header:contains('{iface}')")
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with b.wait_timeout(120):
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b.click("#confirm-breaking-change-popup button:contains('Keep connection')")
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b.wait_not_present("#confirm-breaking-change-popup")
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def testNoRollback(self):
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b = self.browser
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m = self.machine
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self.login_and_go("/network")
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self.nm_checkpoints_enable()
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b.wait_visible("#networking")
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iface = 'cockpit1'
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self.add_veth(iface, dhcp_cidr="10.111.113.2/20")
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self.nm_activate_eth(iface)
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self.wait_for_iface(iface)
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self.select_iface(iface)
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b.wait_visible("#network-interface")
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# Disconnect
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self.wait_onoff(f".pf-v5-c-card__header:contains('{iface}')", True)
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self.toggle_onoff(f".pf-v5-c-card__header:contains('{iface}')")
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# The checkpoint should be destroyed before it is being rolled
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# back.
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def checkpoint_was_destroyed():
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lines = m.execute("journalctl -u NetworkManager | grep op=").split("\n")
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last_checkpoint = None
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for line in lines:
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match = re.search('op="checkpoint-create" arg="([^"]*)"', line)
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if match:
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last_checkpoint = match[1]
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if last_checkpoint:
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for line in lines:
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if f'op="checkpoint-destroy" arg="{last_checkpoint}"' in line:
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return True
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return False
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wait(checkpoint_was_destroyed)
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if __name__ == '__main__':
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test_main()
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