Add Grafana dashboards UI test

Add common function to run selenium in headless mode.

Change-Id: Ia48cea1c3e956aab49ca498e736dceda51598f9e

README.md

@@ -24,7 +24,11 @@ for the detailed procedure).
 
         . $VENV_PATH/bin/activate
 
-4. Run the tests:
+4. If you want to run UI test in headless mode, install these packages:
+
+        sudo apt-get install xvfb firefox -y
+
+5. Run the tests:
 
         ./utils/jenkins/system_tests.sh -k -K -j fuelweb_test -t test -w $(pwd) -o --group=<your_test_group_to_run>
 

doc/influxdb_grafana.rst

@@ -18,3 +18,9 @@ Destructive
 
 .. automodule:: stacklight_tests.influxdb_grafana.test_destructive
    :members:
+
+Functional
+==========
+
+.. automodule:: stacklight_tests.influxdb_grafana.test_functional
+   :members:

openrc.default

@@ -16,3 +16,9 @@ export LMA_COLLECTOR_PLUGIN_PATH=$HOME/plugins/lma_collector-0.9-0.9.0-1.noarch.
 export LMA_INFRA_ALERTING_PLUGIN_PATH=$HOME/plugins/lma_infrastructure_alerting-0.9-0.9.0-1.noarch.rpm
 export ELASTICSEARCH_KIBANA_PLUGIN_PATH=$HOME/plugins/elasticsearch_kibana-0.9-0.9.0-1.noarch.rpm
 export INFLUXDB_GRAFANA_PLUGIN_PATH=$HOME/plugins/influxdb_grafana-0.9-0.9.0-1.noarch.rpm
+
+# UI Tests settings
+export SELENIUM_HEADLESS=True
+export SELENIUM_MAXIMIZE=True
+export IMPLICIT_WAIT=5
+# export DRIVER_PROXY=localhost:8080

requirements.txt

@@ -3,3 +3,4 @@ requests
 selenium
 six
 tox
+xvfbwrapper

stacklight_tests/helpers/ui/base_pages.py

@@ -0,0 +1,163 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import contextlib
+
+from proboscis import asserts
+import selenium.common.exceptions as Exceptions
+from selenium.webdriver.remote import webelement
+import selenium.webdriver.support.ui as Support
+
+
+class BaseWebObject(object):
+    def __init__(self, driver, timeout=5):
+        self.driver = driver
+        self.timeout = timeout
+
+    def _turn_off_implicit_wait(self):
+        self.driver.implicitly_wait(0)
+
+    def _turn_on_implicit_wait(self):
+        self.driver.implicitly_wait(self.timeout)
+
+    @contextlib.contextmanager
+    def waits_disabled(self):
+        try:
+            self._turn_off_implicit_wait()
+            yield
+        finally:
+            self._turn_on_implicit_wait()
+
+    def _is_element_present(self, *locator):
+        with self.waits_disabled():
+            try:
+                self._get_element(*locator)
+                return True
+            except Exceptions.NoSuchElementException:
+                return False
+
+    def _is_element_visible(self, *locator):
+        try:
+            return self._get_element(*locator).is_displayed()
+        except (Exceptions.NoSuchElementException,
+                Exceptions.ElementNotVisibleException):
+            return False
+
+    def _is_element_displayed(self, element):
+        if element is None:
+            return False
+        try:
+            if isinstance(element, webelement.WebElement):
+                return element.is_displayed()
+            else:
+                return element.src_elem.is_displayed()
+        except (Exceptions.ElementNotVisibleException,
+                Exceptions.StaleElementReferenceException):
+            return False
+
+    def _is_text_visible(self, element, text, strict=True):
+        if not hasattr(element, 'text'):
+            return False
+        if strict:
+            return element.text == text
+        else:
+            return text in element.text
+
+    def _get_element(self, *locator):
+        return self.driver.find_element(*locator)
+
+    def _get_elements(self, *locator):
+        return self.driver.find_elements(*locator)
+
+    def _fill_field_element(self, data, field_element):
+        field_element.clear()
+        field_element.send_keys(data)
+        return field_element
+
+    def _select_dropdown(self, value, element):
+        select = Support.Select(element)
+        select.select_by_visible_text(value)
+
+    def _select_dropdown_by_value(self, value, element):
+        select = Support.Select(element)
+        select.select_by_value(value)
+
+    def _get_dropdown_options(self, element):
+        select = Support.Select(element)
+        return select.options
+
+
+class PageObject(BaseWebObject):
+    """Base class for page objects."""
+
+    PARTIAL_LOGIN_URL = 'login'
+
+    def __init__(self, driver):
+        """Constructor."""
+        super(PageObject, self).__init__(driver)
+        self._page_title = None
+
+    @property
+    def page_title(self):
+        return self.driver.title
+
+    def is_the_current_page(self, do_assert=False):
+        found_expected_title = self.page_title.startswith(self._page_title)
+        if do_assert:
+            asserts.assert_true(
+                found_expected_title,
+                "Expected to find %s in page title, instead found: %s"
+                % (self._page_title, self.page_title))
+        return found_expected_title
+
+    def get_current_page_url(self):
+        return self.driver.current_url
+
+    def close_window(self):
+        return self.driver.close()
+
+    def is_nth_window_opened(self, n):
+        return len(self.driver.window_handles) == n
+
+    def switch_window(self, name=None, index=None):
+        """Switches focus between the webdriver windows.
+        Args:
+        - name: The name of the window to switch to.
+        - index: The index of the window handle to switch to.
+        If the method is called without arguments it switches to the
+         last window in the driver window_handles list.
+        In case only one window exists nothing effectively happens.
+        Usage:
+        page.switch_window(name='_new')
+        page.switch_window(index=2)
+        page.switch_window()
+        """
+
+        if name is not None and index is not None:
+            raise ValueError("switch_window receives the window's name or "
+                             "the window's index, not both.")
+        if name is not None:
+            self.driver.switch_to.window(name)
+        elif index is not None:
+            self.driver.switch_to.window(
+                self.driver.window_handles[index])
+        else:
+            self.driver.switch_to.window(self.driver.window_handles[-1])
+
+    def go_to_previous_page(self):
+        self.driver.back()
+
+    def go_to_next_page(self):
+        self.driver.forward()
+
+    def refresh_page(self):
+        self.driver.refresh()

stacklight_tests/helpers/ui/ui_settings.py

@@ -0,0 +1,35 @@
+#    Copyright 2016 Mirantis, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import os
+
+
+# Use a virtual display server for running the tests headless or not
+headless_mode = os.environ.get('SELENIUM_HEADLESS', False)
+
+# The browser session will be started with given proxy,
+# can be useful if you try to start UI tests on developer machine,
+# but environment is on remote server
+proxy_address = os.environ.get('DRIVER_PROXY', None)
+
+# Maximize the current window that webdriver is using or not
+maximize_window = os.environ.get('SELENIUM_MAXIMIZE', True)
+
+# Sets a sticky timeout to implicitly wait for an element to be found,
+# or a command to complete.
+implicit_wait = os.environ.get('IMPLICIT_WAIT', 5)
+
+# Set the amount of time to wait for a page load to complete
+# before throwing an error.
+page_timeout = os.environ.get('PAGE_TIMEOUT', 15)

stacklight_tests/helpers/ui_tester.py

@@ -12,21 +12,71 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from proboscis import asserts
+import contextlib
+import socket
+
 from selenium import webdriver
-from selenium.webdriver.common.by import By
-from selenium.webdriver.support import expected_conditions as EC
-from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.common import by
+from selenium.webdriver.common import proxy
+import xvfbwrapper
+
+from stacklight_tests.helpers.ui import ui_settings
 
 
-def get_driver(ip, anchor, title):
-    driver = webdriver.Firefox()
-    driver.get(ip)
-    WebDriverWait(driver, 120).until(
-        EC.presence_of_element_located((By.XPATH, anchor)))
-    asserts.assert_equal(True, title in driver.title,
-                         "Title {0} was not found in {1}!".format(
-                             title, driver.title))
+@contextlib.contextmanager
+def ui_driver(url, wait_element, title):
+    vdisplay = None
+    # Start a virtual display server for running the tests headless.
+    if ui_settings.headless_mode:
+        vdisplay = xvfbwrapper.Xvfb(width=1920, height=1080)
+        args = []
+
+        # workaround for memory leak in Xvfb taken from:
+        # http://blog.jeffterrace.com/2012/07/xvfb-memory-leak-workaround.html
+        args.append("-noreset")
+
+        # disables X access control
+        args.append("-ac")
+
+        if hasattr(vdisplay, 'extra_xvfb_args'):
+            # xvfbwrapper 0.2.8 or newer
+            vdisplay.extra_xvfb_args.extend(args)
+        else:
+            vdisplay.xvfb_cmd.extend(args)
+        vdisplay.start()
+    driver = get_driver(url, wait_element, title)
+    try:
+        yield driver
+    finally:
+        driver.quit()
+        if vdisplay is not None:
+            vdisplay.stop()
+
+
+def get_driver(url, anchor, title, by_selector_type=by.By.XPATH):
+    proxy_address = ui_settings.proxy_address
+    # Increase the default Python socket timeout from nothing
+    # to something that will cope with slow webdriver startup times.
+    # This *just* affects the communication between this test process
+    # and the webdriver.
+    socket.setdefaulttimeout(60)
+    # Start the Selenium webdriver and setup configuration.
+    proxy_ex = None
+    if proxy_address is not None:
+        proxy_ex = proxy.Proxy(
+            {
+                'proxyType': proxy.ProxyType.MANUAL,
+                'socksProxy': proxy_address,
+            }
+        )
+    driver = webdriver.Firefox(proxy=proxy_ex)
+    if ui_settings.maximize_window:
+        driver.maximize_window()
+    driver.implicitly_wait(ui_settings.implicit_wait)
+    driver.set_page_load_timeout(ui_settings.page_timeout)
+    driver.get(url)
+    driver.find_element(by_selector_type, anchor)
+    assert title in driver.title
     return driver
 
 

stacklight_tests/influxdb_grafana/api.py

@@ -18,6 +18,7 @@ from proboscis import asserts
 import requests
 
 from stacklight_tests import base_test
+from stacklight_tests.influxdb_grafana.grafana_ui import api as ui_api
 from stacklight_tests.influxdb_grafana import plugin_settings
 
 
@@ -137,3 +138,7 @@ class InfluxdbPluginApi(base_test.PluginApi):
     def check_uninstall_failure(self):
         return self.helpers.check_plugin_cannot_be_uninstalled(
             self.settings.name, self.settings.version)
+
+    def check_grafana_dashboards(self):
+        grafana_url = self.get_grafana_url()
+        ui_api.check_grafana_dashboards(grafana_url)

stacklight_tests/influxdb_grafana/grafana_ui/api.py

@@ -0,0 +1,48 @@
+#    Copyright 2016 Mirantis, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from proboscis import asserts
+
+from stacklight_tests.helpers.ui_tester import ui_driver
+from stacklight_tests.influxdb_grafana.grafana_ui import pages
+
+
+def check_grafana_dashboards(grafana_url):
+
+    login_key_xpath = '/html/body/div/div[2]/div/div/div[2]/form/div[2]/button'
+
+    with ui_driver(grafana_url, login_key_xpath, "Grafana") as driver:
+        login_page = pages.LoginPage(driver)
+        login_page.is_login_page()
+        home_page = login_page.login("grafana", "grafanapass")
+        home_page.is_main_page()
+        dashboard_names = {
+            "Apache", "Cinder", "Elasticsearch", "Glance", "HAProxy", "Heat",
+            "Hypervisor", "InfluxDB", "Keystone", "LMA self-monitoring",
+            "Memcached", "MySQL", "Neutron", "Nova", "RabbitMQ", "System"
+        }
+        dashboard_names = {
+            panel_name.lower() for panel_name in dashboard_names}
+        available_dashboards_names = {
+            dashboard.text.lower() for dashboard in home_page.dashboards}
+        msg = ("There is not enough panels in available panels, "
+               "panels that are not presented: {}")
+        # NOTE(rpromyshlennikov): should there be 'elasticsearch'
+        # and 'influxdb' dashboards?
+        asserts.assert_true(
+            dashboard_names.issubset(available_dashboards_names),
+            msg.format(dashboard_names - available_dashboards_names))
+        for name in available_dashboards_names:
+            dashboard_page = home_page.open_dashboard(name)
+            dashboard_page.get_back_to_home()

stacklight_tests/influxdb_grafana/grafana_ui/pages.py

@@ -0,0 +1,127 @@
+from selenium.webdriver.common import by
+from selenium.webdriver.common import keys
+
+
+from stacklight_tests.helpers.ui import base_pages
+
+
+class DashboardPage(base_pages.PageObject):
+    _submenu_controls_locator = (
+        by.By.CLASS_NAME,
+        "submenu-controls"
+    )
+
+    def __init__(self, driver, dashboard_name):
+        super(DashboardPage, self).__init__(driver)
+        self._page_title = "Grafana - {}".format(dashboard_name)
+
+    def is_dashboards_page(self):
+        return (self.is_the_current_page() and
+                self._is_element_visible(*self._submenu_controls_locator))
+
+    def get_back_to_home(self):
+        self.go_to_previous_page()
+        return MainPage(self.driver)
+
+
+class MainPage(base_pages.PageObject):
+    _dropdown_menu_locator = (
+        by.By.CLASS_NAME,
+        'top-nav-dashboards-btn')
+
+    _dashboards_list_locator = (
+        by.By.CLASS_NAME,
+        'search-results-container'
+    )
+
+    _dashboard_locator = (by.By.CLASS_NAME,
+                          "search-item-dash-db")
+
+    def __init__(self, driver):
+        super(MainPage, self).__init__(driver)
+        self._page_title = "Grafana - Home"
+
+    def is_main_page(self):
+        return (self.is_the_current_page() and
+                self._is_element_visible(*self._dropdown_menu_locator))
+
+    @property
+    def dropdown_menu(self):
+        return self._get_element(*self._dropdown_menu_locator)
+
+    @property
+    def dashboards_list(self):
+        self.open_dropdown_menu()
+        return self._get_element(*self._dashboards_list_locator)
+
+    @property
+    def dashboards(self):
+        return self.dashboards_list.find_elements(*self._dashboard_locator)
+
+    def is_dropdown_menu_opened(self):
+        return self._is_element_present(*self._dashboards_list_locator)
+
+    def open_dropdown_menu(self):
+        if not self.is_dropdown_menu_opened():
+            self.dropdown_menu.click()
+
+    def open_dashboard(self, dashboard_name):
+        dashboards_mapping = {dashboard.text.lower(): dashboard
+                              for dashboard in self.dashboards}
+        dashboards_mapping[dashboard_name.lower()].click()
+        dashboard_page = DashboardPage(self.driver, dashboard_name)
+        dashboard_page.is_dashboards_page()
+        return dashboard_page
+
+
+class LoginPage(base_pages.PageObject):
+    _login_username_field_locator = (by.By.NAME, 'username')
+    _login_password_field_locator = (by.By.NAME, 'password')
+    _login_submit_button_locator = (
+        by.By.CLASS_NAME,
+        'login-submit-button-row')
+
+    def __init__(self, driver):
+        super(LoginPage, self).__init__(driver)
+        self._page_title = "Grafana"
+
+    def is_login_page(self):
+        return (self.is_the_current_page() and
+                self._is_element_visible(*self._login_submit_button_locator))
+
+    @property
+    def username(self):
+        return self._get_element(*self._login_username_field_locator)
+
+    @property
+    def password(self):
+        return self._get_element(*self._login_password_field_locator)
+
+    @property
+    def login_button(self):
+        return self._get_element(*self._login_submit_button_locator)
+
+    def _click_on_login_button(self):
+        self.login_button.click()
+
+    def _press_enter_on_login_button(self):
+        self.login_button.send_keys(keys.Keys.RETURN)
+
+    def login(self, user, password):
+        return self.login_with_mouse_click(user, password)
+
+    def login_with_mouse_click(self, user, password):
+        return self._do_login(user, password, self._click_on_login_button)
+
+    def login_with_enter_key(self, user, password):
+        return self._do_login(user, password,
+                              self._press_enter_on_login_button)
+
+    def _do_login(self, user, password, login_method):
+        return self.login_as_user(user, password, login_method)
+
+    def login_as_user(self, user, password, login_method):
+        self._fill_field_element(user, self.username)
+        self._fill_field_element(password, self.password)
+        login_method()
+        return MainPage(self.driver)

stacklight_tests/influxdb_grafana/test_destructive.py

@@ -39,7 +39,6 @@ class TestDestructiveInfluxdbPlugin(api.InfluxdbPluginApi):
             6. Check that the cluster's state is okay
 
         Duration 40m
-        Snapshot check_cluster_outage_influxdb_grafana
         """
         self.env.revert_snapshot("deploy_ha_influxdb_grafana")
 
@@ -52,8 +51,6 @@ class TestDestructiveInfluxdbPlugin(api.InfluxdbPluginApi):
 
         self.helpers.run_ostf()
 
-        self.env.make_snapshot("check_cluster_outage_influxdb_grafana")
-
     @test(depends_on_groups=["deploy_influxdb_grafana"],
           groups=["check_disaster_influxdb_grafana", "influxdb_grafana",
                   "destructive", "check_node_outage_influxdb_grafana"])
@@ -66,11 +63,10 @@ class TestDestructiveInfluxdbPlugin(api.InfluxdbPluginApi):
             1. Revert the snapshot with 3 deployed nodes
             2. Simulate network interruption on the InfluxDB/Grafana node
             3. Wait for at least 30 seconds before recover network availability
-            5. Run OSTF
-            6. Check that plugin is working
+            4. Run OSTF
+            5. Check that plugin is working
 
         Duration 20m
-        Snapshot check_node_outage_influxdb_grafana
         """
         self.env.revert_snapshot("deploy_influxdb_grafana")
 
@@ -83,5 +79,3 @@ class TestDestructiveInfluxdbPlugin(api.InfluxdbPluginApi):
         self.check_plugin_online()
 
         self.helpers.run_ostf()
-
-        self.env.make_snapshot("check_node_outage_influxdb_grafana")

stacklight_tests/influxdb_grafana/test_functional.py

@@ -0,0 +1,64 @@
+#    Copyright 2016 Mirantis, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from fuelweb_test.helpers.decorators import log_snapshot_after_test
+from proboscis import test
+
+from stacklight_tests.influxdb_grafana import api
+
+
+@test(groups=["plugins"])
+class TestFunctionalInfluxdbPlugin(api.InfluxdbPluginApi):
+    """Class for functional testing of plugin."""
+
+    @test(depends_on_groups=["deploy_influxdb_grafana"],
+          groups=["check_display_dashboards_influxdb_grafana",
+                  "influxdb_grafana", "functional"])
+    @log_snapshot_after_test
+    def check_display_dashboards_influxdb_grafana(self):
+        """Verify that the dashboards show up in the Grafana UI.
+
+        Scenario:
+            1. Revert snapshot with 9 deployed nodes in HA configuration
+            2. Open the Grafana URL (
+                open the "Dashboard" tab and click the "Grafana" link)
+            3. Sign-in using the credentials provided
+                during the configuration of the environment
+            4. Go to the Main dashboard and verify that everything is ok
+            5. Repeat the previous step for the following dashboards:
+                * Apache
+                * Cinder
+                * Elasticsearch
+                * Glance
+                * HAProxy
+                * Heat
+                * Hypervisor
+                * InfluxDB
+                * Keystone
+                * LMA self-monitoring
+                * Memcached
+                * MySQL
+                * Neutron
+                * Nova
+                * RabbitMQ
+                * System
+
+        Duration 40m
+        """
+
+        self.env.revert_snapshot("deploy_influxdb_grafana_plugin")
+
+        self.check_plugin_online()
+
+        self.check_grafana_dashboards()

stacklight_tests/influxdb_grafana/test_system.py

@@ -66,8 +66,6 @@ class TestNodesInfluxdbPlugin(api.InfluxdbPluginApi):
 
         self.helpers.run_ostf(should_fail=1)
 
-        self.env.make_snapshot("add_remove_controller_influxdb_grafana")
-
     @test(depends_on_groups=["deploy_ha_influxdb_grafana"],
           groups=["check_scaling_influxdb_grafana", "scaling",
                   "influxdb_grafana", "system",
@@ -112,8 +110,6 @@ class TestNodesInfluxdbPlugin(api.InfluxdbPluginApi):
 
         self.helpers.run_ostf(should_fail=1)
 
-        self.env.make_snapshot("add_remove_compute_influxdb_grafana")
-
     @test(depends_on_groups=["deploy_ha_influxdb_grafana"],
           groups=["check_scaling_influxdb_grafana", "scaling",
                   "influxdb_grafana", "system",
@@ -162,8 +158,6 @@ class TestNodesInfluxdbPlugin(api.InfluxdbPluginApi):
 
         self.helpers.run_ostf()
 
-        self.env.make_snapshot("add_remove_influxdb_grafana_node")
-
     @test(depends_on_groups=["deploy_ha_influxdb_grafana"],
           groups=["check_failover_influxdb_grafana" "failover",
                   "influxdb_grafana", "system", "destructive",
@@ -197,5 +191,3 @@ class TestNodesInfluxdbPlugin(api.InfluxdbPluginApi):
         # TODO(rpromyshlennikov): check no data lost
 
         self.helpers.run_ostf()
-
-        self.env.make_snapshot("shutdown_influxdb_grafana_node")

stacklight_tests/run_tests.py

@@ -44,6 +44,7 @@ def import_tests():
     from stacklight_tests.elasticsearch_kibana import test_smoke_bvt  # noqa
     from stacklight_tests.elasticsearch_kibana import test_system  # noqa
     from stacklight_tests.influxdb_grafana import test_destructive  # noqa
+    from stacklight_tests.influxdb_grafana import test_functional  # noqa
     from stacklight_tests.influxdb_grafana import test_smoke_bvt  # noqa
     from stacklight_tests.influxdb_grafana import test_system  # noqa
     from stacklight_tests.lma_collector import test_smoke_bvt  # noqa