def force_navigate(page_name, _tries=0, *args, **kwargs):
"""force_navigate(page_name)
Given a page name, attempt to navigate to that page no matter what breaks.
Args:
page_name: Name a page from the current :py:data:`ui_navigate.nav_tree` tree to navigate to.
"""
if _tries > 2:
# Need at least three tries:
# 1: login_admin handles an alert or CannotContinueWithNavigation appears.
# 2: Everything should work. If not, NavigationError.
raise exceptions.NavigationError(page_name)
_tries += 1
logger.debug('force_navigate to %s, try %d' % (page_name, _tries))
# circular import prevention: cfme.login uses functions in this module
from cfme import login
# Import the top-level nav menus for convenience
from cfme.web_ui import menu
# browser fixture should do this, but it's needed for subsequent calls
ensure_browser_open()
# Clear any running "spinnies"
try:
execute_script('miqSparkleOff();')
except:
# miqSparkleOff undefined, so it's definitely off.
pass
# Set this to True in the handlers below to trigger a browser restart
recycle = False
# remember the current user, if any
current_user = login.current_user()
try:
# What we'd like to happen...
if not current_user: # default to admin user
login.login_admin()
else: # we recycled and want to log back in
login.login(current_user.username, current_user.password)
logger.info('Navigating to %s' % page_name)
menu.nav.go_to(page_name, *args, **kwargs)
except (KeyboardInterrupt, ValueError):
# KeyboardInterrupt: Don't block this while navigating
# ValueError: ui_navigate.go_to can't handle this page, give up
raise
except UnexpectedAlertPresentException:
if _tries == 1:
# There was an alert, accept it and try again
handle_alert(wait=0)
force_navigate(page_name, _tries, *args, **kwargs)
else:
# There was still an alert when we tried again, shoot the browser in the head
logger.debug('Unxpected alert, recycling browser')
recycle = True
except (ErrorInResponseException, InvalidSwitchToTargetException):
# Unable to switch to the browser at all, need to recycle
logger.info('Invalid browser state, recycling browser')
recycle = True
except exceptions.CannotContinueWithNavigation as e:
# The some of the navigation steps cannot succeed
logger.info('Cannot continue with navigation due to: %s; Recycling browser' % str(e))
recycle = True
except (NoSuchElementException, InvalidElementStateException, WebDriverException):
from cfme.web_ui import cfme_exception as cfme_exc # To prevent circular imports
# If the page is blocked, then recycle...
if is_displayed("//div[@id='blocker_div']"):
logger.warning("Page was blocked with blocker div, recycling.")
recycle = True
elif cfme_exc.is_cfme_exception():
logger.exception("CFME Exception before force_navigate started!: `{}`".format(
cfme_exc.cfme_exception_text()
))
recycle = True
elif is_displayed("//body/div[@class='dialog' and ./h1 and ./p]"):
# Rails exception detection
logger.exception("Rails exception before force_navigate started!: {}:{} at {}".format(
text("//body/div[@class='dialog']/h1").encode("utf-8"),
text("//body/div[@class='dialog']/p").encode("utf-8"),
current_url()
))
recycle = True
elif elements("//ul[@id='maintab']/li[@class='inactive']") and not\
elements("//ul[@id='maintab']/li[@class='active']/ul/li"):
# If upstream and is the bottom part of menu is not displayed
logger.exception("Detected glitch from BZ#1112574. HEADSHOT!")
recycle = True
else:
logger.error("Could not determine the reason for failing the navigation. Reraising.")
raise
if recycle:
browser().quit() # login.current_user() will be retained for next login
logger.debug('browser killed on try %d' % _tries)
# If given a "start" nav destination, it won't be valid after quitting the browser
kwargs.pop("start", None)
force_navigate(page_name, _tries, *args, **kwargs)
def force_navigate(page_name, _tries=0, *args, **kwargs):
"""force_navigate(page_name)
Given a page name, attempt to navigate to that page no matter what breaks.
Args:
page_name: Name a page from the current :py:data:`ui_navigate.nav_tree` tree to navigate to.
"""
if _tries > 2:
# Need at least three tries:
# 1: login_admin handles an alert or CannotContinueWithNavigation appears.
# 2: Everything should work. If not, NavigationError.
raise exceptions.NavigationError(page_name)
if "context" in kwargs:
if not isinstance(kwargs["context"], ContextWrapper) and isinstance(
kwargs["context"], dict):
kwargs["context"] = ContextWrapper(kwargs["context"])
_tries += 1
logger.debug('force_navigate to %s, try %d' % (page_name, _tries))
# circular import prevention: cfme.login uses functions in this module
from cfme import login
# Import the top-level nav menus for convenience
from cfme.web_ui import menu
# browser fixture should do this, but it's needed for subsequent calls
ensure_browser_open()
# Clear any running "spinnies"
try:
execute_script('miqSparkleOff();')
except: # Diaper OK (mfalesni)
# miqSparkleOff undefined, so it's definitely off.
pass
# Set this to True in the handlers below to trigger a browser restart
recycle = False
# remember the current user, if any
current_user = login.current_user()
# Check if the page is blocked with blocker_div. If yes, let's headshot the browser right here
if (
is_displayed("//div[@id='blocker_div' or @id='notification']", _no_deeper=True)
or is_displayed(".modal-backdrop.fade.in", _no_deeper=True)):
logger.warning("Page was blocked with blocker div on start of navigation, recycling.")
quit()
kwargs.pop("start", None)
force_navigate("dashboard") # Start fresh
# Check if jQuery present
try:
execute_script("jQuery")
except Exception as e:
if "jQuery" not in str(e):
logger.error("Checked for jQuery but got something different.")
logger.exception(e)
# Restart some workers
logger.warning("Restarting UI and VimBroker workers!")
with store.current_appliance.ssh_client() as ssh:
# Blow off the Vim brokers and UI workers
ssh.run_rails_command("\"(MiqVimBrokerWorker.all + MiqUiWorker.all).each &:kill\"")
logger.info("Waiting for web UI to come back alive.")
sleep(10) # Give it some rest
store.current_appliance.wait_for_web_ui()
quit()
ensure_browser_open()
kwargs.pop("start", None)
force_navigate("dashboard") # And start fresh
# Same with rails errors
rails_e = get_rails_error()
if rails_e is not None:
logger.warning("Page was blocked by rails error, renavigating.")
logger.error(rails_e)
logger.debug('Top CPU consumers:')
logger.debug(store.current_appliance.ssh_client().run_command(
'top -c -b -n1 -M | head -30').output)
logger.debug('Top Memory consumers:')
logger.debug(store.current_appliance.ssh_client().run_command(
'top -c -b -n1 -M -a | head -30').output)
logger.debug('Managed Providers:')
logger.debug(store.current_appliance.managed_providers)
quit() # Refresh the session, forget loaded summaries, ...
kwargs.pop("start", None)
ensure_browser_open()
menu.nav.go_to("dashboard")
# If there is a rails error past this point, something is really awful
def _login_func():
if not current_user: # default to admin user
login.login_admin()
else: # we recycled and want to log back in
login.login(current_user.username, current_user.password)
try:
try:
# What we'd like to happen...
_login_func()
except WebDriverException as e:
if "jquery" not in str(e).lower():
raise # Something unknown happened
logger.info("Seems we got a non-CFME page (blank or screwed up) so killing the browser")
quit()
ensure_browser_open()
# And try it again
_login_func()
# If this failed, no help with that :/
logger.info('Navigating to %s' % page_name)
menu.nav.go_to(page_name, *args, **kwargs)
except (KeyboardInterrupt, ValueError):
# KeyboardInterrupt: Don't block this while navigating
# ValueError: ui_navigate.go_to can't handle this page, give up
raise
except UnexpectedAlertPresentException:
if _tries == 1:
# There was an alert, accept it and try again
handle_alert(wait=0)
force_navigate(page_name, _tries, *args, **kwargs)
else:
# There was still an alert when we tried again, shoot the browser in the head
logger.debug('Unxpected alert, recycling browser')
recycle = True
except (ErrorInResponseException, InvalidSwitchToTargetException):
# Unable to switch to the browser at all, need to recycle
logger.info('Invalid browser state, recycling browser')
recycle = True
except exceptions.CFMEExceptionOccured as e:
# We hit a Rails exception
logger.info('CFME Exception occured')
logger.exception(e)
recycle = True
except exceptions.CannotContinueWithNavigation as e:
# The some of the navigation steps cannot succeed
logger.info('Cannot continue with navigation due to: %s; Recycling browser' % str(e))
recycle = True
except (NoSuchElementException, InvalidElementStateException, WebDriverException) as e:
from cfme.web_ui import cfme_exception as cfme_exc # To prevent circular imports
# First check - if jquery is not found, there can be also another reason why this happened
# so do not put the next branches in elif
if isinstance(e, WebDriverException) and "jQuery" in str(e):
# UI failed in some way, try recycling the browser
logger.exception(
"UI failed in some way, jQuery not found, (probably) recycling the browser.")
recycle = True
# If the page is blocked, then recycle...
if (
is_displayed("//div[@id='blocker_div' or @id='notification']", _no_deeper=True)
or is_displayed(".modal-backdrop.fade.in", _no_deeper=True)):
logger.warning("Page was blocked with blocker div, recycling.")
recycle = True
elif cfme_exc.is_cfme_exception():
logger.exception("CFME Exception before force_navigate started!: `{}`".format(
cfme_exc.cfme_exception_text()
))
recycle = True
elif is_displayed("//body[./h1 and ./p and ./hr and ./address]", _no_deeper=True):
# 503 and similar sort of errors
title = text("//body/h1")
body = text("//body/p")
logger.exception("Application error '{}': {}".format(title, body))
sleep(5) # Give it a little bit of rest
recycle = True
elif is_displayed("//body/div[@class='dialog' and ./h1 and ./p]", _no_deeper=True):
# Rails exception detection
logger.exception("Rails exception before force_navigate started!: {}:{} at {}".format(
text("//body/div[@class='dialog']/h1").encode("utf-8"),
text("//body/div[@class='dialog']/p").encode("utf-8"),
current_url()
))
recycle = True
elif elements("//ul[@id='maintab']/li[@class='inactive']") and not\
elements("//ul[@id='maintab']/li[@class='active']/ul/li"):
# If upstream and is the bottom part of menu is not displayed
logger.exception("Detected glitch from BZ#1112574. HEADSHOT!")
recycle = True
else:
logger.error("Could not determine the reason for failing the navigation. " +
" Reraising. Exception: %s" % str(e))
logger.debug(store.current_appliance.ssh_client().run_command(
'service evmserverd status').output)
raise
if recycle:
browser().quit() # login.current_user() will be retained for next login
logger.debug('browser killed on try %d' % _tries)
# If given a "start" nav destination, it won't be valid after quitting the browser
kwargs.pop("start", None)
force_navigate(page_name, _tries, *args, **kwargs)
def force_navigate(page_name, _tries=0, *args, **kwargs):
"""force_navigate(page_name)
Given a page name, attempt to navigate to that page no matter what breaks.
Args:
page_name: Name a page from the current :py:data:`ui_navigate.nav_tree` tree to navigate to.
"""
if _tries > 2:
# Need at least three tries:
# 1: login_admin handles an alert or CannotContinueWithNavigation appears.
# 2: Everything should work. If not, NavigationError.
raise exceptions.NavigationError(page_name)
_tries += 1
logger.debug('force_navigate to %s, try %d' % (page_name, _tries))
# circular import prevention: cfme.login uses functions in this module
from cfme import login
# Import the top-level nav menus for convenience
from cfme.web_ui import menu
# browser fixture should do this, but it's needed for subsequent calls
ensure_browser_open()
# Clear any running "spinnies"
try:
execute_script('miqSparkleOff();')
except:
# miqSparkleOff undefined, so it's definitely off.
pass
# Set this to True in the handlers below to trigger a browser restart
recycle = False
# remember the current user, if any
current_user = login.current_user()
try:
# What we'd like to happen...
if not current_user: # default to admin user
login.login_admin()
else: # we recycled and want to log back in
login.login(current_user.username, current_user.password)
logger.info('Navigating to %s' % page_name)
menu.nav.go_to(page_name, *args, **kwargs)
except (KeyboardInterrupt, ValueError):
# KeyboardInterrupt: Don't block this while navigating
# ValueError: ui_navigate.go_to can't handle this page, give up
raise
except UnexpectedAlertPresentException:
if _tries == 1:
# There was an alert, accept it and try again
handle_alert(wait=0)
force_navigate(page_name, _tries, *args, **kwargs)
else:
# There was still an alert when we tried again, shoot the browser in the head
logger.debug('Unxpected alert, recycling browser')
recycle = True
except (ErrorInResponseException, InvalidSwitchToTargetException):
# Unable to switch to the browser at all, need to recycle
logger.info('Invalid browser state, recycling browser')
recycle = True
except exceptions.CannotContinueWithNavigation as e:
# The some of the navigation steps cannot succeed
logger.info(
'Cannot continue with navigation due to: %s; Recycling browser' %
str(e))
recycle = True
except (NoSuchElementException, InvalidElementStateException,
WebDriverException):
from cfme.web_ui import cfme_exception as cfme_exc # To prevent circular imports
# If the page is blocked, then recycle...
if is_displayed("//div[@id='blocker_div']"):
logger.warning("Page was blocked with blocker div, recycling.")
recycle = True
elif cfme_exc.is_cfme_exception():
logger.exception(
"CFME Exception before force_navigate started!: `{}`".format(
cfme_exc.cfme_exception_text()))
recycle = True
elif is_displayed("//body/div[@class='dialog' and ./h1 and ./p]"):
# Rails exception detection
logger.exception(
"Rails exception before force_navigate started!: {}:{} at {}".
format(
text("//body/div[@class='dialog']/h1").encode("utf-8"),
text("//body/div[@class='dialog']/p").encode("utf-8"),
current_url()))
recycle = True
elif elements("//ul[@id='maintab']/li[@class='inactive']") and not\
elements("//ul[@id='maintab']/li[@class='active']/ul/li"):
# If upstream and is the bottom part of menu is not displayed
logger.exception("Detected glitch from BZ#1112574. HEADSHOT!")
recycle = True
else:
logger.error(
"Could not determine the reason for failing the navigation. Reraising."
)
raise
if recycle:
browser().quit(
) # login.current_user() will be retained for next login
logger.debug('browser killed on try %d' % _tries)
# If given a "start" nav destination, it won't be valid after quitting the browser
kwargs.pop("start", None)
force_navigate(page_name, _tries, *args, **kwargs)
def force_navigate(page_name, _tries=0, *args, **kwargs):
"""force_navigate(page_name)
Given a page name, attempt to navigate to that page no matter what breaks.
Args:
page_name: Name a page from the current :py:data:`ui_navigate.nav_tree` tree to navigate to.
"""
if _tries > 2:
# Need at least three tries:
# 1: login_admin handles an alert or CannotContinueWithNavigation appears.
# 2: Everything should work. If not, NavigationError.
raise exceptions.NavigationError(page_name)
if "context" in kwargs:
if not isinstance(kwargs["context"], ContextWrapper) and isinstance(
kwargs["context"], dict):
kwargs["context"] = ContextWrapper(kwargs["context"])
_tries += 1
logger.debug('force_navigate to %s, try %d' % (page_name, _tries))
# circular import prevention: cfme.login uses functions in this module
from cfme import login
# Import the top-level nav menus for convenience
from cfme.web_ui import menu
# browser fixture should do this, but it's needed for subsequent calls
ensure_browser_open()
# Clear any running "spinnies"
try:
execute_script('miqSparkleOff();')
except: # Diaper OK (mfalesni)
# miqSparkleOff undefined, so it's definitely off.
pass
# Set this to True in the handlers below to trigger a browser restart
recycle = False
# remember the current user, if any
current_user = login.current_user()
# Check if the page is blocked with blocker_div. If yes, let's headshot the browser right here
if (
is_displayed("//div[@id='blocker_div' or @id='notification']", _no_deeper=True)
or is_displayed(".modal-backdrop.fade.in", _no_deeper=True)):
logger.warning("Page was blocked with blocker div on start of navigation, recycling.")
quit()
kwargs.pop("start", None)
force_navigate("dashboard") # Start fresh
# Check if modal window is displayed
if (is_displayed(
"//div[contains(@class, 'modal-dialog') and contains(@class, 'modal-lg')]",
_no_deeper=True)):
logger.warning("Modal window was open; closing the window")
click("//button[contains(@class, 'close') and contains(@data-dismiss, 'modal')]")
# Check if jQuery present
try:
execute_script("jQuery")
except Exception as e:
if "jQuery" not in str(e):
logger.error("Checked for jQuery but got something different.")
logger.exception(e)
# Restart some workers
logger.warning("Restarting UI and VimBroker workers!")
with store.current_appliance.ssh_client as ssh:
# Blow off the Vim brokers and UI workers
ssh.run_rails_command("\"(MiqVimBrokerWorker.all + MiqUiWorker.all).each &:kill\"")
logger.info("Waiting for web UI to come back alive.")
sleep(10) # Give it some rest
store.current_appliance.wait_for_web_ui()
quit()
ensure_browser_open()
kwargs.pop("start", None)
force_navigate("dashboard") # And start fresh
# Same with rails errors
rails_e = get_rails_error()
if rails_e is not None:
logger.warning("Page was blocked by rails error, renavigating.")
logger.error(rails_e)
logger.debug('Top CPU consumers:')
logger.debug(store.current_appliance.ssh_client.run_command(
'top -c -b -n1 -M | head -30').output)
logger.debug('Top Memory consumers:')
logger.debug(store.current_appliance.ssh_client.run_command(
'top -c -b -n1 -M -a | head -30').output)
logger.debug('Managed Providers:')
logger.debug(store.current_appliance.managed_providers)
quit() # Refresh the session, forget loaded summaries, ...
kwargs.pop("start", None)
ensure_browser_open()
menu.nav.go_to("dashboard")
# If there is a rails error past this point, something is really awful
def _login_func():
if not current_user: # default to admin user
login.login_admin()
else: # we recycled and want to log back in
login.login(current_user.username, current_user.password)
try:
try:
# What we'd like to happen...
_login_func()
except WebDriverException as e:
if "jquery" not in str(e).lower():
raise # Something unknown happened
logger.info("Seems we got a non-CFME page (blank or screwed up) so killing the browser")
quit()
ensure_browser_open()
# And try it again
_login_func()
# If this failed, no help with that :/
logger.info('Navigating to %s' % page_name)
menu.nav.go_to(page_name, *args, **kwargs)
except (KeyboardInterrupt, ValueError):
# KeyboardInterrupt: Don't block this while navigating
# ValueError: ui_navigate.go_to can't handle this page, give up
raise
except UnexpectedAlertPresentException:
if _tries == 1:
# There was an alert, accept it and try again
handle_alert(wait=0)
force_navigate(page_name, _tries, *args, **kwargs)
else:
# There was still an alert when we tried again, shoot the browser in the head
logger.debug('Unxpected alert, recycling browser')
recycle = True
except (ErrorInResponseException, InvalidSwitchToTargetException):
# Unable to switch to the browser at all, need to recycle
logger.info('Invalid browser state, recycling browser')
recycle = True
except exceptions.CFMEExceptionOccured as e:
# We hit a Rails exception
logger.info('CFME Exception occured')
logger.exception(e)
recycle = True
except exceptions.CannotContinueWithNavigation as e:
# The some of the navigation steps cannot succeed
logger.info('Cannot continue with navigation due to: %s; Recycling browser' % str(e))
recycle = True
except (NoSuchElementException, InvalidElementStateException, WebDriverException) as e:
from cfme.web_ui import cfme_exception as cfme_exc # To prevent circular imports
# First check - if jquery is not found, there can be also another reason why this happened
# so do not put the next branches in elif
if isinstance(e, WebDriverException) and "jQuery" in str(e):
# UI failed in some way, try recycling the browser
logger.exception(
"UI failed in some way, jQuery not found, (probably) recycling the browser.")
recycle = True
# If the page is blocked, then recycle...
if (
is_displayed("//div[@id='blocker_div' or @id='notification']", _no_deeper=True)
or is_displayed(".modal-backdrop.fade.in", _no_deeper=True)):
logger.warning("Page was blocked with blocker div, recycling.")
recycle = True
elif cfme_exc.is_cfme_exception():
logger.exception("CFME Exception before force_navigate started!: `{}`".format(
cfme_exc.cfme_exception_text()
))
recycle = True
elif is_displayed("//body[./h1 and ./p and ./hr and ./address]", _no_deeper=True):
# 503 and similar sort of errors
title = text("//body/h1")
body = text("//body/p")
logger.exception("Application error '{}': {}".format(title, body))
sleep(5) # Give it a little bit of rest
recycle = True
elif is_displayed("//body/div[@class='dialog' and ./h1 and ./p]", _no_deeper=True):
# Rails exception detection
logger.exception("Rails exception before force_navigate started!: {}:{} at {}".format(
text("//body/div[@class='dialog']/h1").encode("utf-8"),
text("//body/div[@class='dialog']/p").encode("utf-8"),
current_url()
))
recycle = True
elif elements("//ul[@id='maintab']/li[@class='inactive']") and not\
elements("//ul[@id='maintab']/li[@class='active']/ul/li"):
# If upstream and is the bottom part of menu is not displayed
logger.exception("Detected glitch from BZ#1112574. HEADSHOT!")
recycle = True
else:
logger.error("Could not determine the reason for failing the navigation. " +
" Reraising. Exception: %s" % str(e))
logger.debug(store.current_appliance.ssh_client.run_command(
'service evmserverd status').output)
raise
if recycle:
browser().quit() # login.current_user() will be retained for next login
logger.debug('browser killed on try %d' % _tries)
# If given a "start" nav destination, it won't be valid after quitting the browser
kwargs.pop("start", None)
force_navigate(page_name, _tries, *args, **kwargs)
