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#!/usr/bin/python3
# This file is part of Cockpit.
#
# Copyright (C) 2016 Red Hat, Inc.
#
# Cockpit is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Cockpit is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
import parent
from testlib import *
@skipImage("kexec-tools not installed", "fedora-coreos", "debian-stable",
"debian-testing", "ubuntu-2004", "ubuntu-stable")
@timeout(900)
@skipImage("Do not test BaseOS packages", "rhel-8-3-distropkg", "rhel-8-4-distropkg")
class TestKdump(MachineCase):
def rreplace(self, s, old, new, count):
li = s.rsplit(old, count)
return new.join(li)
def enableKdump(self):
if self.machine.image in ["rhel-8-3", "rhel-8-4"]:
# these images use BootLoaderSpec and grubenv
self.sed_file('/^kernelopts=/ { s/crashkernel=[^ ]*//; s/$/ crashkernel=256M/; }', '/boot/grub2/grubenv')
else:
lines = self.machine.execute(command="cat /etc/default/grub", quiet=True).split("\n")
lines = map(lambda line: self.rreplace(line, '"', ' crashkernel=256M"', 1)
if line.startswith("GRUB_CMDLINE_LINUX") else line, lines)
self.machine.write("/etc/default/grub", "\n".join(lines))
self.machine.execute("grub2-mkconfig -o /boot/grub2/grub.cfg")
self.machine.execute("mkdir -p /var/crash")
def enableLocalSsh(self):
self.machine.execute("[ -f /root/.ssh/id_rsa ] || ssh-keygen -t rsa -N '' -f /root/.ssh/id_rsa")
self.machine.execute("cat /root/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys")
self.machine.execute("ssh-keyscan -H localhost >> /root/.ssh/known_hosts")
def rebootMachine(self):
# Now reboot things
self.machine.spawn("sync && sync && sync && sleep 0.1 && reboot", "reboot")
self.machine.wait_reboot()
self.machine.start_cockpit()
self.browser.switch_to_top()
self.browser.relogin("/kdump")
def testBasic(self):
b = self.browser
m = self.machine
b.wait_timeout(120)
self.allow_restart_journal_messages()
m.execute("systemctl enable kdump && systemctl start kdump || true")
self.login_and_go("/kdump")
b.wait_visible("#app")
def assertActive(active):
b.wait_visible(".pf-c-switch__input" + (active and ":checked" or ":not(:checked)"))
if m.image in ["rhel-8-3", "rhel-8-4", "centos-8-stream"]:
# some OSes have kdump enabled by default (crashkernel=auto)
b.wait_in_text("#app", "Service is running")
assertActive(True)
else:
# right now we have no memory reserved
b.mouse("#app span.popover-ct-kdump", "mouseenter")
b.wait_in_text(".pf-c-tooltip", "No memory reserved.")
b.mouse("#app span.popover-ct-kdump", "mouseleave")
# newer kdump.service have `ConditionKernelCommandLine=crashkernel` which fails gracefully
unit = m.execute("systemctl cat kdump.service")
if 'ConditionKernelCommandLine=crashkernel' in unit:
# service should indicate that the unit is stopped
b.wait_in_text("#app", "Service is stopped")
else:
# service should indicate an error
b.wait_in_text("#app", "Service has an error")
# ... and the button should be off
assertActive(False)
# there shouldn't be any crash reports in the target directory
self.assertEqual(m.execute("""find "/var/crash" -maxdepth 1 -mindepth 1 -type d -exec echo {} \;"""), "")
self.enableKdump()
self.rebootMachine()
b.wait_visible("#app")
self.enableLocalSsh()
# minimal nfs validation
settingsLink = "button:contains('locally in /var/crash')"
b.click(settingsLink)
b.set_val("#kdump-settings-location", "nfs")
mountInput = "#kdump-settings-nfs-mount"
b.set_input_text(mountInput, ":/var/crash")
b.click("button{}:contains('Apply')".format(self.primary_btn_class))
b.wait_visible("h4.pf-c-alert__title:contains('Unable to apply settings')")
b.set_input_text(mountInput, "localhost:")
b.click("button{}:contains('Apply')".format(self.primary_btn_class))
b.wait_visible("h4.pf-c-alert__title:contains('Unable to apply settings')")
b.click("button{}:contains('Apply')".format(self.primary_btn_class))
# test compression
b.click(settingsLink)
b.click("#kdump-settings-compression")
pathInput = "#kdump-settings-local-directory"
b.click("button{}:contains('Apply')".format(self.primary_btn_class))
b.wait_not_present(pathInput)
m.execute("cat /etc/kdump.conf | grep -qE 'makedumpfile.*-c.*'")
# generate a valid kdump config with ssh target
b.click(settingsLink)
b.set_val("#kdump-settings-location", "ssh")
sshInput = "#kdump-settings-ssh-server"
b.set_input_text(sshInput, "root@localhost")
sshKeyInput = "#kdump-settings-ssh-key"
b.set_input_text(sshKeyInput, "/root/.ssh/id_rsa")
b.set_input_text(pathInput, "/var/crash")
b.click("button{}:contains('Apply')".format(self.primary_btn_class))
b.wait_not_present(pathInput)
# we should have the amount of memory reserved that we indicated
b.wait_in_text("#app", "256 MiB")
# service should start up properly and the button should be on
b.wait_in_text("#app", "Service is running")
assertActive(True)
b.wait_in_text("#app", "Service is running")
# try to change the path to a directory that doesn't exist
customPath = "/var/crash2"
settingsLink = "button:contains('Remote over SSH')"
b.click(settingsLink)
b.set_val("#kdump-settings-location", "local")
pathInput = "#kdump-settings-local-directory"
b.set_input_text(pathInput, customPath)
b.click("button{}:contains('Apply')".format(self.primary_btn_class))
# we should get an error
b.wait_visible("h4.pf-c-alert__title:contains('Unable to apply settings')")
# also allow the journal message about failed touch
self.allow_journal_messages(".*mktemp: failed to create file via template.*")
# create the directory and try again
m.execute("mkdir -p {0}".format(customPath))
b.click("button{}:contains('Apply')".format(self.primary_btn_class))
b.wait_not_present(pathInput)
b.wait_visible("button:contains('locally in {0}')".format(customPath))
# service has to restart after changing the config, wait for it to be running
# otherwise the button to test will be disabled
b.wait_in_text("#app", "Service is running")
assertActive(True)
# crash the kernel and make sure it wrote a report into the right directory
b.click("button{}".format(self.default_btn_class))
# we should get a warning dialog, confirm
crashButton = "button{}:contains('Crash system')".format(self.danger_btn_class)
b.click(crashButton)
# wait until we've actuall triggered a crash
b.wait_visible(".dialog-wait-ct")
# wait for disconnect and then try connecting again
b.switch_to_top()
b.wait_in_text("div.curtains-ct h1", "Disconnected")
m.disconnect()
m.wait_boot(timeout_sec=300)
#b.click("#machine-reconnect")
#b.expect_load()
#b.wait_visible("#login")
self.assertNotEqual(
m.execute("""find "{0}" -maxdepth 1 -mindepth 1 -type d -exec echo {{}} \;""".format(customPath)), "")
@nondestructive
def testConfiguration(self):
b = self.browser
m = self.machine
self.restore_file("/etc/kdump.conf")
m.execute("systemctl disable --now kdump")
self.login_and_go("/kdump")
b.wait_visible("#app")
# Check remote ssh location
b.click("#kdump-change-target")
b.wait_visible("#kdump-settings-dialog")
b.set_val("#kdump-settings-location", "ssh")
b.set_input_text("#kdump-settings-ssh-server", "admin@localhost")
b.set_input_text("#kdump-settings-ssh-key", "/home/admin/.ssh/id_rsa")
b.set_input_text("#kdump-settings-local-directory", "/var/tmp/crash")
b.click("button:contains('Apply')")
b.wait_not_present("#kdump-settings-dialog")
conf = m.execute("cat /etc/kdump.conf")
self.assertIn("path /var/tmp/crash", conf)
self.assertIn("ssh admin@localhost", conf)
self.assertIn("sshkey /home/admin/.ssh/id_rsa", conf)
# Check remote NFS location
b.click("#kdump-change-target")
b.wait_visible("#kdump-settings-dialog")
b.set_val("#kdump-settings-location", "nfs")
b.set_input_text("#kdump-settings-nfs-mount", "localhost:/var/tmp/crash")
b.click("button:contains('Apply')")
b.wait_not_present("#kdump-settings-dialog")
conf = m.execute("cat /etc/kdump.conf")
self.assertIn("nfs localhost:/var/tmp/crash", conf)
self.assertNotIn("path /var/tmp/crash", conf)
self.assertNotIn("ssh admin@localhost", conf)
self.assertNotIn("sshkey /home/admin/.ssh/id_rsa", conf)
# Check local location
b.click("#kdump-change-target")
b.wait_visible("#kdump-settings-dialog")
b.set_val("#kdump-settings-location", "local")
b.set_input_text("#kdump-settings-local-directory", "/var/tmp")
b.click("button:contains('Apply')")
b.wait_not_present("#kdump-settings-dialog")
conf = m.execute("cat /etc/kdump.conf")
self.assertIn("path /var/tmp", conf)
self.assertNotIn("nfs localhost:/var/tmp/crash", conf)
# Check compression
current = m.execute("grep '^core_collector' /etc/kdump.conf").strip()
b.click("#kdump-change-target")
b.wait_visible("#kdump-settings-dialog")
b.set_checked("#kdump-settings-compression", True)
b.click("button:contains('Apply')")
b.wait_not_present("#kdump-settings-dialog")
conf = m.execute("cat /etc/kdump.conf")
self.assertIn(current + " -c", conf)
if __name__ == '__main__':
test_main()
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