Feat(uti): Last failed tests

Change-Id: Ifac36b3f2c886a78cb8a7922f98a760287d631ef
Signed-off-by: Tibor Frank <tifrank@cisco.com>

12 files changed, 687 insertions, 91 deletions

diff --git a/resources/tools/dash/app/pal/__init__.py b/resources/tools/dash/app/pal/__init__.py
index c55ac96398..f66edceafc 100644
--- a/resources/tools/dash/app/pal/__init__.py
+++ b/resources/tools/dash/app/pal/__init__.py
@@ -20,12 +20,12 @@ from flask import Flask
 from flask_assets import Environment
 
 
-# Maximal value of TIME_PERIOD in days.
+# Maximal value of TIME_PERIOD for Trending in days.
 # Do not change without a good reason.
 MAX_TIME_PERIOD = 180
 
-# It defines the time period in days from now back to the past from which data
-# is read to dataframes.
+# It defines the time period for Trending in days from now back to the past from
+# which data is read to dataframes.
 # TIME_PERIOD = None means all data (max MAX_TIME_PERIOD days) is read.
 # TIME_PERIOD = MAX_TIME_PERIOD is the default value
 TIME_PERIOD = MAX_TIME_PERIOD  # [days]
@@ -63,6 +63,9 @@ def init_app():
             time_period = TIME_PERIOD
 
         # Import Dash applications.
+        from .news.news import init_news
+        app = init_news(app)
+
         from .stats.stats import init_stats
         app = init_stats(app, time_period=time_period)
 
diff --git a/resources/tools/dash/app/pal/data/data.yaml b/resources/tools/dash/app/pal/data/data.yaml
index 8ac2057094..69f7165dc4 100644
--- a/resources/tools/dash/app/pal/data/data.yaml
+++ b/resources/tools/dash/app/pal/data/data.yaml
@@ -26,8 +26,8 @@ trending-mrr:
     - start_time
     - passed
     - test_id
-    - test_name_long
-    - test_name_short
+    # - test_name_long
+    # - test_name_short
     - version
     - result_receive_rate_rate_avg
     - result_receive_rate_rate_stdev
@@ -44,8 +44,8 @@ trending-ndrpdr:
     - start_time
     - passed
     - test_id
-    - test_name_long
-    - test_name_short
+    # - test_name_long
+    # - test_name_short
     - version
     # - result_pdr_upper_rate_unit
     # - result_pdr_upper_rate_value
@@ -114,8 +114,8 @@ iterative-mrr:
     - start_time
     - passed
     - test_id
-    - test_name_long
-    - test_name_short
+    # - test_name_long
+    # - test_name_short
     - version
     - result_receive_rate_rate_avg
     - result_receive_rate_rate_stdev
@@ -132,8 +132,8 @@ iterative-ndrpdr:
     - start_time
     - passed
     - test_id
-    - test_name_long
-    - test_name_short
+    # - test_name_long
+    # - test_name_short
     - version
     # - result_pdr_upper_rate_unit
     # - result_pdr_upper_rate_value
diff --git a/resources/tools/dash/app/pal/news/__init__.py b/resources/tools/dash/app/pal/news/__init__.py
new file mode 100644
index 0000000000..5692432123
--- /dev/null
+++ b/resources/tools/dash/app/pal/news/__init__.py
@@ -0,0 +1,12 @@
+# Copyright (c) 2022 Cisco and/or its affiliates.
+# 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.
diff --git a/resources/tools/dash/app/pal/news/layout.py b/resources/tools/dash/app/pal/news/layout.py
new file mode 100644
index 0000000000..c34575b75a
--- /dev/null
+++ b/resources/tools/dash/app/pal/news/layout.py
@@ -0,0 +1,552 @@
+# Copyright (c) 2022 Cisco and/or its affiliates.
+# 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.
+
+"""Plotly Dash HTML layout override.
+"""
+
+import logging
+import pandas as pd
+import dash_bootstrap_components as dbc
+
+from flask import Flask
+from dash import dcc
+from dash import html
+from dash import callback_context
+from dash import Input, Output, State
+from yaml import load, FullLoader, YAMLError
+from copy import deepcopy
+
+from ..data.data import Data
+from .tables import table_failed
+
+
+class Layout:
+    """
+    """
+
+    DEFAULT_JOB = "csit-vpp-perf-mrr-daily-master-2n-icx"
+
+    URL_STYLE = {
+        "background-color": "#d2ebf5",
+        "border-color": "#bce1f1",
+        "color": "#135d7c"
+    }
+
+    def __init__(self, app: Flask, html_layout_file: str,
+        data_spec_file: str, tooltip_file: str) -> None:
+        """
+        """
+
+        # Inputs
+        self._app = app
+        self._html_layout_file = html_layout_file
+        self._data_spec_file = data_spec_file
+        self._tooltip_file = tooltip_file
+
+        # Read the data:
+        data_stats, data_mrr, data_ndrpdr = Data(
+            data_spec_file=self._data_spec_file,
+            debug=True
+        ).read_stats(days=10)  # To be sure
+
+        df_tst_info = pd.concat([data_mrr, data_ndrpdr], ignore_index=True)
+
+        jobs = sorted(list(df_tst_info["job"].unique()))
+        job_info = {
+            "job": list(),
+            "dut": list(),
+            "ttype": list(),
+            "cadence": list(),
+            "tbed": list()
+        }
+        for job in jobs:
+            lst_job = job.split("-")
+            job_info["job"].append(job)
+            job_info["dut"].append(lst_job[1])
+            job_info["ttype"].append(lst_job[3])
+            job_info["cadence"].append(lst_job[4])
+            job_info["tbed"].append("-".join(lst_job[-2:]))
+        self.df_job_info = pd.DataFrame.from_dict(job_info)
+
+        self._default = self._set_job_params(self.DEFAULT_JOB)
+
+        tst_info = {
+            "job": list(),
+            "build": list(),
+            "start": list(),
+            "dut_type": list(),
+            "dut_version": list(),
+            "hosts": list(),
+            "lst_failed": list()
+        }
+        for job in jobs:
+            df_job = df_tst_info.loc[(df_tst_info["job"] == job)]
+            last_build = max(df_job["build"].unique())
+            df_build = df_job.loc[(df_job["build"] == last_build)]
+            tst_info["job"].append(job)
+            tst_info["build"].append(last_build)
+            tst_info["start"].append(data_stats.loc[
+                (data_stats["job"] == job) &
+                (data_stats["build"] == last_build)
+            ]["start_time"].iloc[-1].strftime('%Y-%m-%d %H:%M'))
+            tst_info["dut_type"].append(df_build["dut_type"].iloc[-1])
+            tst_info["dut_version"].append(df_build["dut_version"].iloc[-1])
+            tst_info["hosts"].append(df_build["hosts"].iloc[-1])
+            failed_tests = df_build.loc[(df_build["passed"] == False)]\
+                ["test_id"].to_list()
+            l_failed = list()
+            try:
+                for tst in failed_tests:
+                    lst_tst = tst.split(".")
+                    suite = lst_tst[-2].replace("2n1l-", "").\
+                        replace("1n1l-", "").replace("2n-", "")
+                    l_failed.append(f"{suite.split('-')[0]}-{lst_tst[-1]}")
+            except KeyError:
+                l_failed = list()
+            tst_info["lst_failed"].append(sorted(l_failed))
+
+        self._data = pd.DataFrame.from_dict(tst_info)
+
+        # Read from files:
+        self._html_layout = ""
+        self._tooltips = dict()
+
+        try:
+            with open(self._html_layout_file, "r") as file_read:
+                self._html_layout = file_read.read()
+        except IOError as err:
+            raise RuntimeError(
+                f"Not possible to open the file {self._html_layout_file}\n{err}"
+            )
+
+        try:
+            with open(self._tooltip_file, "r") as file_read:
+                self._tooltips = load(file_read, Loader=FullLoader)
+        except IOError as err:
+            logging.warning(
+                f"Not possible to open the file {self._tooltip_file}\n{err}"
+            )
+        except YAMLError as err:
+            logging.warning(
+                f"An error occurred while parsing the specification file "
+                f"{self._tooltip_file}\n{err}"
+            )
+
+        self._default_tab_failed = table_failed(self.data, self._default["job"])
+
+        # Callbacks:
+        if self._app is not None and hasattr(self, 'callbacks'):
+            self.callbacks(self._app)
+
+    @property
+    def html_layout(self) -> dict:
+        return self._html_layout
+
+    @property
+    def data(self) -> pd.DataFrame:
+        return self._data
+
+    @property
+    def default(self) -> any:
+        return self._default
+
+    def _get_duts(self) -> list:
+        """
+        """
+        return sorted(list(self.df_job_info["dut"].unique()))
+
+    def _get_ttypes(self, dut: str) -> list:
+        """
+        """
+        return sorted(list(self.df_job_info.loc[(
+            self.df_job_info["dut"] == dut
+        )]["ttype"].unique()))
+
+    def _get_cadences(self, dut: str, ttype: str) -> list:
+        """
+        """
+        return sorted(list(self.df_job_info.loc[(
+            (self.df_job_info["dut"] == dut) &
+            (self.df_job_info["ttype"] == ttype)
+        )]["cadence"].unique()))
+
+    def _get_test_beds(self, dut: str, ttype: str, cadence: str) -> list:
+        """
+        """
+        return sorted(list(self.df_job_info.loc[(
+            (self.df_job_info["dut"] == dut) &
+            (self.df_job_info["ttype"] == ttype) &
+            (self.df_job_info["cadence"] == cadence)
+        )]["tbed"].unique()))
+
+    def _get_job(self, dut, ttype, cadence, testbed):
+        """Get the name of a job defined by dut, ttype, cadence, testbed.
+
+        Input information comes from control panel.
+        """
+        return self.df_job_info.loc[(
+            (self.df_job_info["dut"] == dut) &
+            (self.df_job_info["ttype"] == ttype) &
+            (self.df_job_info["cadence"] == cadence) &
+            (self.df_job_info["tbed"] == testbed)
+        )]["job"].item()
+
+    def _set_job_params(self, job: str) -> dict:
+        """
+        """
+        lst_job = job.split("-")
+        return {
+            "job": job,
+            "dut": lst_job[1],
+            "ttype": lst_job[3],
+            "cadence": lst_job[4],
+            "tbed": "-".join(lst_job[-2:]),
+            "duts": self._generate_options(self._get_duts()),
+            "ttypes": self._generate_options(self._get_ttypes(lst_job[1])),
+            "cadences": self._generate_options(self._get_cadences(
+                lst_job[1], lst_job[3])),
+            "tbeds": self._generate_options(self._get_test_beds(
+                lst_job[1], lst_job[3], lst_job[4]))
+        }
+
+    def _show_tooltip(self, id: str, title: str,
+            clipboard_id: str=None) -> list:
+        """
+        """
+        return [
+            dcc.Clipboard(target_id=clipboard_id, title="Copy URL") \
+                if clipboard_id else str(),
+            f"{title} ",
+            dbc.Badge(
+                id=id,
+                children="?",
+                pill=True,
+                color="white",
+                text_color="info",
+                class_name="border ms-1",
+            ),
+            dbc.Tooltip(
+                children=self._tooltips.get(id, str()),
+                target=id,
+                placement="auto"
+            )
+        ]
+
+    def add_content(self):
+        """
+        """
+        if self.html_layout:
+            return html.Div(
+                id="div-main",
+                children=[
+                    dcc.Store(id="control-panel"),
+                    dbc.Row(
+                        id="row-navbar",
+                        class_name="g-0",
+                        children=[
+                            self._add_navbar(),
+                        ]
+                    ),
+                    dbc.Row(
+                        id="row-main",
+                        class_name="g-0",
+                        children=[
+                            self._add_ctrl_col(),
+                            self._add_plotting_col(),
+                        ]
+                    )
+                ]
+            )
+        else:
+            return html.Div(
+                id="div-main-error",
+                children=[
+                    dbc.Alert(
+                        [
+                            "An Error Occured",
+                        ],
+                        color="danger",
+                    ),
+                ]
+            )
+
+    def _add_navbar(self):
+        """Add nav element with navigation panel. It is placed on the top.
+        """
+        return dbc.NavbarSimple(
+            id="navbarsimple-main",
+            children=[
+                dbc.NavItem(
+                    dbc.NavLink(
+                        "Continuous Performance News",
+                        disabled=True,
+                        external_link=True,
+                        href="#"
+                    )
+                )
+            ],
+            brand="Dashboard",
+            brand_href="/",
+            brand_external_link=True,
+            class_name="p-2",
+            fluid=True,
+        )
+
+    def _add_ctrl_col(self) -> dbc.Col:
+        """Add column with controls. It is placed on the left side.
+        """
+        return dbc.Col(
+            id="col-controls",
+            children=[
+                self._add_ctrl_panel(),
+            ],
+        )
+
+    def _add_plotting_col(self) -> dbc.Col:
+        """Add column with plots and tables. It is placed on the right side.
+        """
+        return dbc.Col(
+            id="col-plotting-area",
+            children=[
+                dbc.Row(  # Failed tests
+                    id="row-table-failed",
+                    class_name="g-0 p-2",
+                    children=self._default_tab_failed
+                )
+            ],
+            width=9,
+        )
+
+    def _add_ctrl_panel(self) -> dbc.Row:
+        """
+        """
+        return dbc.Row(
+            id="row-ctrl-panel",
+            class_name="g-0",
+            children=[
+                dbc.Row(
+                    class_name="g-0 p-2",
+                    children=[
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Label(
+                                    class_name="p-0",
+                                    children=self._show_tooltip(
+                                        "help-dut", "Device under Test")
+                                ),
+                                dbc.Row(
+                                    dbc.RadioItems(
+                                        id="ri-duts",
+                                        inline=True,
+                                        value=self.default["dut"],
+                                        options=self.default["duts"]
+                                    )
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Label(
+                                    class_name="p-0",
+                                    children=self._show_tooltip(
+                                        "help-ttype", "Test Type"),
+                                ),
+                                dbc.RadioItems(
+                                    id="ri-ttypes",
+                                    inline=True,
+                                    value=self.default["ttype"],
+                                    options=self.default["ttypes"]
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Label(
+                                    class_name="p-0",
+                                    children=self._show_tooltip(
+                                        "help-cadence", "Cadence"),
+                                ),
+                                dbc.RadioItems(
+                                    id="ri-cadences",
+                                    inline=True,
+                                    value=self.default["cadence"],
+                                    options=self.default["cadences"]
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Label(
+                                    class_name="p-0",
+                                    children=self._show_tooltip(
+                                        "help-tbed", "Test Bed"),
+                                ),
+                                dbc.Select(
+                                    id="dd-tbeds",
+                                    placeholder="Select a test bed...",
+                                    value=self.default["tbed"],
+                                    options=self.default["tbeds"]
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Alert(
+                                    id="al-job",
+                                    color="info",
+                                    children=self.default["job"]
+                                )
+                            ]
+                        )
+                    ]
+                ),
+            ]
+        )
+
+    class ControlPanel:
+        def __init__(self, panel: dict, default: dict) -> None:
+            self._defaults = {
+                "ri-ttypes-options": default["ttypes"],
+                "ri-cadences-options": default["cadences"],
+                "dd-tbeds-options": default["tbeds"],
+                "ri-duts-value": default["dut"],
+                "ri-ttypes-value": default["ttype"],
+                "ri-cadences-value": default["cadence"],
+                "dd-tbeds-value": default["tbed"],
+                "al-job-children": default["job"]
+            }
+            self._panel = deepcopy(self._defaults)
+            if panel:
+                for key in self._defaults:
+                    self._panel[key] = panel[key]
+
+        def set(self, kwargs: dict) -> None:
+            for key, val in kwargs.items():
+                if key in self._panel:
+                    self._panel[key] = val
+                else:
+                    raise KeyError(f"The key {key} is not defined.")
+
+        @property
+        def defaults(self) -> dict:
+            return self._defaults
+
+        @property
+        def panel(self) -> dict:
+            return self._panel
+
+        def get(self, key: str) -> any:
+            return self._panel[key]
+
+        def values(self) -> list:
+            return list(self._panel.values())
+
+    @staticmethod
+    def _generate_options(opts: list) -> list:
+        return [{"label": i, "value": i} for i in opts]
+
+    def callbacks(self, app):
+
+        @app.callback(
+            Output("control-panel", "data"),  # Store
+            Output("row-table-failed", "children"),
+            Output("ri-ttypes", "options"),
+            Output("ri-cadences", "options"),
+            Output("dd-tbeds", "options"),
+            Output("ri-duts", "value"),
+            Output("ri-ttypes", "value"),
+            Output("ri-cadences", "value"),
+            Output("dd-tbeds", "value"),
+            Output("al-job", "children"),
+            State("control-panel", "data"),  # Store
+            Input("ri-duts", "value"),
+            Input("ri-ttypes", "value"),
+            Input("ri-cadences", "value"),
+            Input("dd-tbeds", "value"),
+        )
+        def _update_ctrl_panel(cp_data: dict, dut:str, ttype: str, cadence:str,
+                tbed: str) -> tuple:
+            """
+            """
+
+            ctrl_panel = self.ControlPanel(cp_data, self.default)
+
+            trigger_id = callback_context.triggered[0]["prop_id"].split(".")[0]
+            if trigger_id == "ri-duts":
+                ttype_opts = self._generate_options(self._get_ttypes(dut))
+                ttype_val = ttype_opts[0]["value"]
+                cad_opts = self._generate_options(
+                    self._get_cadences(dut, ttype_val))
+                cad_val = cad_opts[0]["value"]
+                tbed_opts = self._generate_options(
+                    self._get_test_beds(dut, ttype_val, cad_val))
+                tbed_val = tbed_opts[0]["value"]
+                ctrl_panel.set({
+                    "ri-duts-value": dut,
+                    "ri-ttypes-options": ttype_opts,
+                    "ri-ttypes-value": ttype_val,
+                    "ri-cadences-options": cad_opts,
+                    "ri-cadences-value": cad_val,
+                    "dd-tbeds-options": tbed_opts,
+                    "dd-tbeds-value": tbed_val
+                })
+            elif trigger_id == "ri-ttypes":
+                cad_opts = self._generate_options(
+                    self._get_cadences(ctrl_panel.get("ri-duts-value"), ttype))
+                cad_val = cad_opts[0]["value"]
+                tbed_opts = self._generate_options(
+                    self._get_test_beds(ctrl_panel.get("ri-duts-value"),
+                    ttype, cad_val))
+                tbed_val = tbed_opts[0]["value"]
+                ctrl_panel.set({
+                    "ri-ttypes-value": ttype,
+                    "ri-cadences-options": cad_opts,
+                    "ri-cadences-value": cad_val,
+                    "dd-tbeds-options": tbed_opts,
+                    "dd-tbeds-value": tbed_val
+                })
+            elif trigger_id == "ri-cadences":
+                tbed_opts = self._generate_options(
+                    self._get_test_beds(ctrl_panel.get("ri-duts-value"),
+                    ctrl_panel.get("ri-ttypes-value"), cadence))
+                tbed_val = tbed_opts[0]["value"]
+                ctrl_panel.set({
+                    "ri-cadences-value": cadence,
+                    "dd-tbeds-options": tbed_opts,
+                    "dd-tbeds-value": tbed_val
+                })
+            elif trigger_id == "dd-tbeds":
+                ctrl_panel.set({
+                    "dd-tbeds-value": tbed
+                })
+
+            job = self._get_job(
+                ctrl_panel.get("ri-duts-value"),
+                ctrl_panel.get("ri-ttypes-value"),
+                ctrl_panel.get("ri-cadences-value"),
+                ctrl_panel.get("dd-tbeds-value")
+            )
+            ctrl_panel.set({"al-job-children": job})
+            tab_failed = table_failed(self.data, job)
+
+            ret_val = [
+                ctrl_panel.panel,
+                tab_failed
+            ]
+            ret_val.extend(ctrl_panel.values())
+            return ret_val
diff --git a/resources/tools/dash/app/pal/news/news.py b/resources/tools/dash/app/pal/news/news.py
new file mode 100644
index 0000000000..deb00c1810
--- /dev/null
+++ b/resources/tools/dash/app/pal/news/news.py
@@ -0,0 +1,46 @@
+# Copyright (c) 2022 Cisco and/or its affiliates.
+# 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.
+
+"""Instantiate the Statistics Dash applocation.
+"""
+import dash
+import dash_bootstrap_components as dbc
+
+from .layout import Layout
+
+
+def init_news(server):
+    """Create a Plotly Dash dashboard.
+
+    :param server: Flask server.
+    :type server: Flask
+    :returns: Dash app server.
+    :rtype: Dash
+    """
+
+    dash_app = dash.Dash(
+        server=server,
+        routes_pathname_prefix=u"/news/",
+        external_stylesheets=[dbc.themes.LUX],
+    )
+
+    layout = Layout(
+        app=dash_app,
+        html_layout_file="pal/templates/news_layout.jinja2",
+        data_spec_file="pal/data/data.yaml",
+        tooltip_file="pal/data/tooltips.yaml",
+    )
+    dash_app.index_string = layout.html_layout
+    dash_app.layout = layout.add_content()
+
+    return dash_app.server
diff --git a/resources/tools/dash/app/pal/news/tables.py b/resources/tools/dash/app/pal/news/tables.py
new file mode 100644
index 0000000000..c8f851b030
--- /dev/null
+++ b/resources/tools/dash/app/pal/news/tables.py
@@ -0,0 +1,43 @@
+# Copyright (c) 2022 Cisco and/or its affiliates.
+# 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 pandas as pd
+import dash_bootstrap_components as dbc
+
+
+def table_failed(data: pd.DataFrame, job: str) -> list:
+    """
+    """
+
+    job_data = data.loc[(data["job"] == job)]
+    failed = job_data["lst_failed"].to_list()[0]
+
+    return [
+        dbc.Table.from_dataframe(pd.DataFrame.from_dict({
+            "Job": job_data["job"],
+            "Build": job_data["build"],
+            "Date": job_data["start"],
+            "DUT": job_data["dut_type"],
+            "DUT Version": job_data["dut_version"],
+            "Hosts": ", ".join(job_data["hosts"].to_list()[0])
+        }), bordered=True, striped=True, hover=True, size="sm", color="light"),
+        dbc.Table.from_dataframe(pd.DataFrame.from_dict({
+            (
+                f"Last Failed Tests on "
+                f"{job_data['start'].values[0]} ({len(failed)})"
+            ): failed
+        }), bordered=True, striped=True, hover=True, size="sm", color="light")
+    ]
diff --git a/resources/tools/dash/app/pal/report/layout.py b/resources/tools/dash/app/pal/report/layout.py
index f1927bd66c..081a0fd29f 100644
--- a/resources/tools/dash/app/pal/report/layout.py
+++ b/resources/tools/dash/app/pal/report/layout.py
@@ -23,10 +23,8 @@ from dash import dcc
 from dash import html
 from dash import callback_context, no_update, ALL
 from dash import Input, Output, State
-from dash.exceptions import PreventUpdate
 from yaml import load, FullLoader, YAMLError
 from copy import deepcopy
-from json import loads, JSONDecodeError
 from ast import literal_eval
 
 from ..data.data import Data
@@ -1373,81 +1371,6 @@ class Layout:
             return ret_val
 
         # @app.callback(
-        #     Output("metadata-tput-lat", "children"),
-        #     Output("metadata-hdrh-graph", "children"),
-        #     Output("offcanvas-metadata", "is_open"),
-        #     Input({"type": "graph", "index": ALL}, "clickData"),
-        #     prevent_initial_call=True
-        # )
-        # def _show_metadata_from_graphs(graph_data: dict) -> tuple:
-        #     """
-        #     """
-
-        #     if not any(graph_data):
-        #         raise PreventUpdate
-
-        #     try:
-        #         trigger_id = loads(
-        #             callback_context.triggered[0]["prop_id"].split(".")[0]
-        #         )["index"]
-        #         idx = 0 if trigger_id == "tput" else 1
-        #         graph_data = graph_data[idx]["points"][0]
-        #     except (JSONDecodeError, IndexError, KeyError, ValueError,
-        #             TypeError):
-        #         raise PreventUpdate
-
-        #     metadata = no_update
-        #     graph = list()
-
-        #     children = [
-        #         dbc.ListGroupItem(
-        #             [dbc.Badge(x.split(":")[0]), x.split(": ")[1]]
-        #         ) for x in graph_data.get("text", "").split("<br>")
-        #     ]
-        #     if trigger_id == "tput":
-        #         title = "Throughput"
-        #     elif trigger_id == "lat":
-        #         title = "Latency"
-        #         hdrh_data = graph_data.get("customdata", None)
-        #         if hdrh_data:
-        #             graph = [dbc.Card(
-        #                 class_name="gy-2 p-0",
-        #                 children=[
-        #                     dbc.CardHeader(hdrh_data.pop("name")),
-        #                     dbc.CardBody(children=[
-        #                         dcc.Graph(
-        #                             id="hdrh-latency-graph",
-        #                             figure=graph_hdrh_latency(
-        #                                 hdrh_data, self.layout
-        #                             )
-        #                         )
-        #                     ])
-        #                 ])
-        #             ]
-        #     metadata = [
-        #         dbc.Card(
-        #             class_name="gy-2 p-0",
-        #             children=[
-        #                 dbc.CardHeader(children=[
-        #                     dcc.Clipboard(
-        #                         target_id="tput-lat-metadata",
-        #                         title="Copy",
-        #                         style={"display": "inline-block"}
-        #                     ),
-        #                     title
-        #                 ]),
-        #                 dbc.CardBody(
-        #                     id="tput-lat-metadata",
-        #                     class_name="p-0",
-        #                     children=[dbc.ListGroup(children, flush=True), ]
-        #                 )
-        #             ]
-        #         )
-        #     ]
-
-        #     return metadata, graph, True
-
-        # @app.callback(
         #     Output("download-data", "data"),
         #     State("selected-tests", "data"),
         #     Input("btn-download-data", "n_clicks"),
diff --git a/resources/tools/dash/app/pal/report/report.py b/resources/tools/dash/app/pal/report/report.py
index 8330f8721e..c02b409973 100644
--- a/resources/tools/dash/app/pal/report/report.py
+++ b/resources/tools/dash/app/pal/report/report.py
@@ -34,7 +34,6 @@ def init_report(server, releases):
         external_stylesheets=[dbc.themes.LUX],
     )
 
-    # Custom HTML layout
     layout = Layout(
         app=dash_app,
         releases=releases,
diff --git a/resources/tools/dash/app/pal/stats/stats.py b/resources/tools/dash/app/pal/stats/stats.py
index 37a0875d24..3da742d61e 100644
--- a/resources/tools/dash/app/pal/stats/stats.py
+++ b/resources/tools/dash/app/pal/stats/stats.py
@@ -34,7 +34,6 @@ def init_stats(server, time_period=None):
         external_stylesheets=[dbc.themes.LUX],
     )
 
-    # Custom HTML layout
     layout = Layout(
         app=dash_app,
         html_layout_file="pal/templates/stats_layout.jinja2",
diff --git a/resources/tools/dash/app/pal/templates/index_layout.jinja2 b/resources/tools/dash/app/pal/templates/index_layout.jinja2
index 09b91a4196..4acd1bda2d 100644
--- a/resources/tools/dash/app/pal/templates/index_layout.jinja2
+++ b/resources/tools/dash/app/pal/templates/index_layout.jinja2
@@ -22,6 +22,9 @@
     <p class="lead">
       <a href="/stats/" class="btn btn-primary fw-bold">Job Statistics</a>
     </p>
+    <p class="lead">
+      <a href="/news/" class="btn btn-primary fw-bold">News</a>
+    </p>
   </main>
 
   <footer class="mt-auto text-white-50">
diff --git a/resources/tools/dash/app/pal/templates/news_layout.jinja2 b/resources/tools/dash/app/pal/templates/news_layout.jinja2
new file mode 100644
index 0000000000..c3ac89f731
--- /dev/null
+++ b/resources/tools/dash/app/pal/templates/news_layout.jinja2
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <title>Continuous Performance News</title>
+  {%metas%}
+  {%favicon%}
+  {%css%}
+</head>
+<body>
+  {%app_entry%}
+  <footer>
+    {%config%}
+    {%scripts%}
+    {%renderer%}
+  </footer>
+</body>
+</html>
\ No newline at end of file
diff --git a/resources/tools/dash/app/pal/trending/trending.py b/resources/tools/dash/app/pal/trending/trending.py
index 88b0815584..1c64677eea 100644
--- a/resources/tools/dash/app/pal/trending/trending.py
+++ b/resources/tools/dash/app/pal/trending/trending.py
@@ -34,7 +34,6 @@ def init_trending(server, time_period=None):
         external_stylesheets=[dbc.themes.LUX],
     )
 
-    # Custom HTML layout
     layout = Layout(
         app=dash_app,
         html_layout_file="pal/templates/trending_layout.jinja2",