UTI: Move constatns to a separate file

Change-Id: If3796b71d02bcf5a92612585dfa8867e5039f037
Signed-off-by: Tibor Frank <tifrank@cisco.com>

3 files changed, 70 insertions, 260 deletions

diff --git a/resources/tools/dash/app/pal/report/graphs.py b/resources/tools/dash/app/pal/report/graphs.py
index 76aa8b7793..c5d8f8f2d7 100644
--- a/resources/tools/dash/app/pal/report/graphs.py
+++ b/resources/tools/dash/app/pal/report/graphs.py
@@ -20,75 +20,13 @@ import pandas as pd
 
 from copy import deepcopy
 
-import hdrh.histogram
-import hdrh.codec
-
-
-_NORM_FREQUENCY = 2.0  # [GHz]
-_FREQURENCY = {  # [GHz]
-    "2n-aws": 1.000,
-    "2n-dnv": 2.000,
-    "2n-clx": 2.300,
-    "2n-icx": 2.600,
-    "2n-skx": 2.500,
-    "2n-tx2": 2.500,
-    "2n-zn2": 2.900,
-    "3n-alt": 3.000,
-    "3n-aws": 1.000,
-    "3n-dnv": 2.000,
-    "3n-icx": 2.600,
-    "3n-skx": 2.500,
-    "3n-tsh": 2.200
-}
-
-_VALUE = {
-    "mrr": "result_receive_rate_rate_values",
-    "ndr": "result_ndr_lower_rate_value",
-    "pdr": "result_pdr_lower_rate_value",
-    "pdr-lat": "result_latency_forward_pdr_50_avg"
-}
-_UNIT = {
-    "mrr": "result_receive_rate_rate_unit",
-    "ndr": "result_ndr_lower_rate_unit",
-    "pdr": "result_pdr_lower_rate_unit",
-    "pdr-lat": "result_latency_forward_pdr_50_unit"
-}
-_LAT_HDRH = (  # Do not change the order
-    "result_latency_forward_pdr_0_hdrh",
-    "result_latency_reverse_pdr_0_hdrh",
-    "result_latency_forward_pdr_10_hdrh",
-    "result_latency_reverse_pdr_10_hdrh",
-    "result_latency_forward_pdr_50_hdrh",
-    "result_latency_reverse_pdr_50_hdrh",
-    "result_latency_forward_pdr_90_hdrh",
-    "result_latency_reverse_pdr_90_hdrh",
-)
-# This value depends on latency stream rate (9001 pps) and duration (5s).
-# Keep it slightly higher to ensure rounding errors to not remove tick mark.
-PERCENTILE_MAX = 99.999501
-
-_GRAPH_LAT_HDRH_DESC = {
-    "result_latency_forward_pdr_0_hdrh": "No-load.",
-    "result_latency_reverse_pdr_0_hdrh": "No-load.",
-    "result_latency_forward_pdr_10_hdrh": "Low-load, 10% PDR.",
-    "result_latency_reverse_pdr_10_hdrh": "Low-load, 10% PDR.",
-    "result_latency_forward_pdr_50_hdrh": "Mid-load, 50% PDR.",
-    "result_latency_reverse_pdr_50_hdrh": "Mid-load, 50% PDR.",
-    "result_latency_forward_pdr_90_hdrh": "High-load, 90% PDR.",
-    "result_latency_reverse_pdr_90_hdrh": "High-load, 90% PDR."
-}
+from ..utils.constants import Constants as C
 
 
 def _get_color(idx: int) -> str:
     """
     """
-    _COLORS = (
-        "#1A1110", "#DA2647", "#214FC6", "#01786F", "#BD8260", "#FFD12A",
-        "#A6E7FF", "#738276", "#C95A49", "#FC5A8D", "#CEC8EF", "#391285",
-        "#6F2DA8", "#FF878D", "#45A27D", "#FFD0B9", "#FD5240", "#DB91EF",
-        "#44D7A8", "#4F86F7", "#84DE02", "#FFCFF1", "#614051"
-    )
-    return _COLORS[idx % len(_COLORS)]
+    return C.PLOT_COLORS[idx % len(C.PLOT_COLORS)]
 
 
 def get_short_version(version: str, dut_type: str="vpp") -> str:
@@ -182,16 +120,16 @@ def graph_iterative(data: pd.DataFrame, sel:dict, layout: dict,
             continue
         phy = itm["phy"].split("-")
         topo_arch = f"{phy[0]}-{phy[1]}" if len(phy) == 4 else str()
-        norm_factor = (_NORM_FREQUENCY / _FREQURENCY[topo_arch]) \
+        norm_factor = (C.NORM_FREQUENCY / C.FREQUENCY[topo_arch]) \
             if normalize else 1.0
         if itm["testtype"] == "mrr":
-            y_data_raw = itm_data[_VALUE[itm["testtype"]]].to_list()[0]
+            y_data_raw = itm_data[C.VALUE_ITER[itm["testtype"]]].to_list()[0]
             y_data = [(y * norm_factor) for y in y_data_raw]
             if len(y_data) > 0:
                 y_tput_max = \
                     max(y_data) if max(y_data) > y_tput_max else y_tput_max
         else:
-            y_data_raw = itm_data[_VALUE[itm["testtype"]]].to_list()
+            y_data_raw = itm_data[C.VALUE_ITER[itm["testtype"]]].to_list()
             y_data = [(y * norm_factor) for y in y_data_raw]
             if y_data:
                 y_tput_max = \
@@ -214,7 +152,7 @@ def graph_iterative(data: pd.DataFrame, sel:dict, layout: dict,
         show_tput = True
 
         if itm["testtype"] == "pdr":
-            y_lat_row = itm_data[_VALUE["pdr-lat"]].to_list()
+            y_lat_row = itm_data[C.VALUE_ITER["pdr-lat"]].to_list()
             y_lat = [(y / norm_factor) for y in y_lat_row]
             if y_lat:
                 y_lat_max = max(y_lat) if max(y_lat) > y_lat_max else y_lat_max
@@ -302,73 +240,3 @@ def table_comparison(data: pd.DataFrame, sel:dict,
     )
 
     return pd.DataFrame()  #table
-
-
-def graph_hdrh_latency(data: dict, layout: dict) -> go.Figure:
-    """
-    """
-
-    fig = None
-
-    traces = list()
-    for idx, (lat_name, lat_hdrh) in enumerate(data.items()):
-        try:
-            decoded = hdrh.histogram.HdrHistogram.decode(lat_hdrh)
-        except (hdrh.codec.HdrLengthException, TypeError) as err:
-            continue
-        previous_x = 0.0
-        prev_perc = 0.0
-        xaxis = list()
-        yaxis = list()
-        hovertext = list()
-        for item in decoded.get_recorded_iterator():
-            # The real value is "percentile".
-            # For 100%, we cut that down to "x_perc" to avoid
-            # infinity.
-            percentile = item.percentile_level_iterated_to
-            x_perc = min(percentile, PERCENTILE_MAX)
-            xaxis.append(previous_x)
-            yaxis.append(item.value_iterated_to)
-            hovertext.append(
-                f"<b>{_GRAPH_LAT_HDRH_DESC[lat_name]}</b><br>"
-                f"Direction: {('W-E', 'E-W')[idx % 2]}<br>"
-                f"Percentile: {prev_perc:.5f}-{percentile:.5f}%<br>"
-                f"Latency: {item.value_iterated_to}uSec"
-            )
-            next_x = 100.0 / (100.0 - x_perc)
-            xaxis.append(next_x)
-            yaxis.append(item.value_iterated_to)
-            hovertext.append(
-                f"<b>{_GRAPH_LAT_HDRH_DESC[lat_name]}</b><br>"
-                f"Direction: {('W-E', 'E-W')[idx % 2]}<br>"
-                f"Percentile: {prev_perc:.5f}-{percentile:.5f}%<br>"
-                f"Latency: {item.value_iterated_to}uSec"
-            )
-            previous_x = next_x
-            prev_perc = percentile
-
-        traces.append(
-            go.Scatter(
-                x=xaxis,
-                y=yaxis,
-                name=_GRAPH_LAT_HDRH_DESC[lat_name],
-                mode="lines",
-                legendgroup=_GRAPH_LAT_HDRH_DESC[lat_name],
-                showlegend=bool(idx % 2),
-                line=dict(
-                    color=_get_color(int(idx/2)),
-                    dash="solid",
-                    width=1 if idx % 2 else 2
-                ),
-                hovertext=hovertext,
-                hoverinfo="text"
-            )
-        )
-    if traces:
-        fig = go.Figure()
-        fig.add_traces(traces)
-        layout_hdrh = layout.get("plot-hdrh-latency", None)
-        if lat_hdrh:
-            fig.update_layout(layout_hdrh)
-
-    return fig
diff --git a/resources/tools/dash/app/pal/report/layout.py b/resources/tools/dash/app/pal/report/layout.py
index e7c8db43ae..164f2d48d9 100644
--- a/resources/tools/dash/app/pal/report/layout.py
+++ b/resources/tools/dash/app/pal/report/layout.py
@@ -27,8 +27,9 @@ from yaml import load, FullLoader, YAMLError
 from copy import deepcopy
 from ast import literal_eval
 
+from ..utils.constants import Constants as C
+from ..utils.url_processing import url_decode, url_encode
 from ..data.data import Data
-from ..data.url_processing import url_decode, url_encode
 from .graphs import graph_iterative, table_comparison, get_short_version
 
 
@@ -36,51 +37,6 @@ class Layout:
     """
     """
 
-    # If True, clear all inputs in control panel when button "ADD SELECTED" is
-    # pressed.
-    CLEAR_ALL_INPUTS = False
-
-    STYLE_DISABLED = {"display": "none"}
-    STYLE_ENABLED = {"display": "inherit"}
-
-    CL_ALL_DISABLED = [{
-        "label": "All",
-        "value": "all",
-        "disabled": True
-    }]
-    CL_ALL_ENABLED = [{
-        "label": "All",
-        "value": "all",
-        "disabled": False
-    }]
-
-    PLACEHOLDER = html.Nobr("")
-
-    DRIVERS = ("avf", "af-xdp", "rdma", "dpdk")
-
-    LABELS = {
-        "dpdk": "DPDK",
-        "container_memif": "LXC/DRC Container Memif",
-        "crypto": "IPSec IPv4 Routing",
-        "ip4": "IPv4 Routing",
-        "ip6": "IPv6 Routing",
-        "ip4_tunnels": "IPv4 Tunnels",
-        "l2": "L2 Ethernet Switching",
-        "srv6": "SRv6 Routing",
-        "vm_vhost": "VMs vhost-user",
-        "nfv_density-dcr_memif-chain_ipsec": "CNF Service Chains Routing IPSec",
-        "nfv_density-vm_vhost-chain_dot1qip4vxlan":"VNF Service Chains Tunnels",
-        "nfv_density-vm_vhost-chain": "VNF Service Chains Routing",
-        "nfv_density-dcr_memif-pipeline": "CNF Service Pipelines Routing",
-        "nfv_density-dcr_memif-chain": "CNF Service Chains Routing",
-    }
-
-    URL_STYLE = {
-        "background-color": "#d2ebf5",
-        "border-color": "#bce1f1",
-        "color": "#135d7c"
-    }
-
     def __init__(self, app: Flask, releases: list, html_layout_file: str,
         graph_layout_file: str, data_spec_file: str, tooltip_file: str) -> None:
         """
@@ -125,7 +81,7 @@ class Layout:
                 replace("2n-", "")
             test = lst_test_id[-1]
             nic = suite.split("-")[0]
-            for drv in self.DRIVERS:
+            for drv in C.DRIVERS:
                 if drv in test:
                     driver = drv.replace("-", "_")
                     test = test.replace(f"{drv}-", "")
@@ -234,7 +190,7 @@ class Layout:
         return self._graph_layout
 
     def label(self, key: str) -> str:
-        return self.LABELS.get(key, key)
+        return C.LABELS.get(key, key)
 
     def _show_tooltip(self, id: str, title: str,
             clipboard_id: str=None) -> list:
@@ -359,9 +315,7 @@ class Layout:
                                     dbc.Row(  # Throughput
                                         id="row-graph-tput",
                                         class_name="g-0 p-2",
-                                        children=[
-                                            self.PLACEHOLDER
-                                        ]
+                                        children=[C.PLACEHOLDER, ]
                                     ),
                                     width=6
                                 ),
@@ -369,9 +323,7 @@ class Layout:
                                     dbc.Row(  # Latency
                                         id="row-graph-lat",
                                         class_name="g-0 p-2",
-                                        children=[
-                                            self.PLACEHOLDER
-                                        ]
+                                        children=[C.PLACEHOLDER, ]
                                     ),
                                     width=6
                                 )
@@ -380,16 +332,12 @@ class Layout:
                         dbc.Row(  # Tables
                             id="row-table",
                             class_name="g-0 p-2",
-                            children=[
-                                self.PLACEHOLDER
-                            ]
+                            children=[C.PLACEHOLDER, ]
                         ),
                         dbc.Row(  # Download
                             id="row-btn-download",
                             class_name="g-0 p-2",
-                            children=[
-                                self.PLACEHOLDER
-                            ]
+                            children=[C.PLACEHOLDER, ]
                         )
                     ]
                 )
@@ -548,7 +496,7 @@ class Layout:
                             children=[
                                 dbc.Checklist(
                                     id="cl-ctrl-framesize-all",
-                                    options=self.CL_ALL_DISABLED,
+                                    options=C.CL_ALL_DISABLED,
                                     inline=True,
                                     switch=False
                                 ),
@@ -579,7 +527,7 @@ class Layout:
                             children=[
                                 dbc.Checklist(
                                     id="cl-ctrl-core-all",
-                                    options=self.CL_ALL_DISABLED,
+                                    options=C.CL_ALL_DISABLED,
                                     inline=False,
                                     switch=False
                                 )
@@ -610,7 +558,7 @@ class Layout:
                             children=[
                                 dbc.Checklist(
                                     id="cl-ctrl-testtype-all",
-                                    options=self.CL_ALL_DISABLED,
+                                    options=C.CL_ALL_DISABLED,
                                     inline=True,
                                     switch=False
                                 ),
@@ -675,7 +623,7 @@ class Layout:
                 dbc.Row(
                     id="row-card-sel-tests",
                     class_name="gy-1",
-                    style=self.STYLE_DISABLED,
+                    style=C.STYLE_DISABLED,
                     children=[
                         dbc.Label(
                             "Selected tests",
@@ -692,7 +640,7 @@ class Layout:
                 ),
                 dbc.Row(
                     id="row-btns-sel-tests",
-                    style=self.STYLE_DISABLED,
+                    style=C.STYLE_DISABLED,
                     children=[
                         dbc.ButtonGroup(
                             class_name="gy-2",
@@ -722,12 +670,6 @@ class Layout:
     class ControlPanel:
         def __init__(self, panel: dict) -> None:
 
-            CL_ALL_DISABLED = [{
-                "label": "All",
-                "value": "all",
-                "disabled": True
-            }]
-
             # Defines also the order of keys
             self._defaults = {
                 "dd-rls-value": str(),
@@ -749,15 +691,15 @@ class Layout:
                 "cl-core-options": list(),
                 "cl-core-value": list(),
                 "cl-core-all-value": list(),
-                "cl-core-all-options": CL_ALL_DISABLED,
+                "cl-core-all-options": C.CL_ALL_DISABLED,
                 "cl-framesize-options": list(),
                 "cl-framesize-value": list(),
                 "cl-framesize-all-value": list(),
-                "cl-framesize-all-options": CL_ALL_DISABLED,
+                "cl-framesize-all-options": C.CL_ALL_DISABLED,
                 "cl-testtype-options": list(),
                 "cl-testtype-value": list(),
                 "cl-testtype-all-value": list(),
-                "cl-testtype-all-options": CL_ALL_DISABLED,
+                "cl-testtype-all-options": C.CL_ALL_DISABLED,
                 "btn-add-disabled": True,
                 "cl-normalize-value": list(),
                 "cl-selected-options": list()
@@ -818,10 +760,10 @@ class Layout:
 
             (fig_tput, fig_lat) = figs
 
-            row_fig_tput = self.PLACEHOLDER
-            row_fig_lat = self.PLACEHOLDER
-            row_table = self.PLACEHOLDER
-            row_btn_dwnld = self.PLACEHOLDER
+            row_fig_tput = C.PLACEHOLDER
+            row_fig_lat = C.PLACEHOLDER
+            row_table = C.PLACEHOLDER
+            row_btn_dwnld = C.PLACEHOLDER
 
             if fig_tput:
                 row_fig_tput = [
@@ -853,7 +795,7 @@ class Layout:
                                 class_name="me-1",
                                 children=[
                                     dbc.InputGroupText(
-                                        style=self.URL_STYLE,
+                                        style=C.URL_STYLE,
                                         children=self._show_tooltip(
                                             "help-url", "URL", "input-url")
                                     ),
@@ -861,7 +803,7 @@ class Layout:
                                         id="input-url",
                                         readonly=True,
                                         type="url",
-                                        style=self.URL_STYLE,
+                                        style=C.URL_STYLE,
                                         value=url
                                     )
                                 ]
@@ -1019,15 +961,15 @@ class Layout:
                     "cl-core-options": list(),
                     "cl-core-value": list(),
                     "cl-core-all-value": list(),
-                    "cl-core-all-options": self.CL_ALL_DISABLED,
+                    "cl-core-all-options": C.CL_ALL_DISABLED,
                     "cl-framesize-options": list(),
                     "cl-framesize-value": list(),
                     "cl-framesize-all-value": list(),
-                    "cl-framesize-all-options": self.CL_ALL_DISABLED,
+                    "cl-framesize-all-options": C.CL_ALL_DISABLED,
                     "cl-testtype-options": list(),
                     "cl-testtype-value": list(),
                     "cl-testtype-all-value": list(),
-                    "cl-testtype-all-options": self.CL_ALL_DISABLED
+                    "cl-testtype-all-options": C.CL_ALL_DISABLED
                 })
             elif trigger_id == "dd-ctrl-dut":
                 try:
@@ -1058,15 +1000,15 @@ class Layout:
                     "cl-core-options": list(),
                     "cl-core-value": list(),
                     "cl-core-all-value": list(),
-                    "cl-core-all-options": self.CL_ALL_DISABLED,
+                    "cl-core-all-options": C.CL_ALL_DISABLED,
                     "cl-framesize-options": list(),
                     "cl-framesize-value": list(),
                     "cl-framesize-all-value": list(),
-                    "cl-framesize-all-options": self.CL_ALL_DISABLED,
+                    "cl-framesize-all-options": C.CL_ALL_DISABLED,
                     "cl-testtype-options": list(),
                     "cl-testtype-value": list(),
                     "cl-testtype-all-value": list(),
-                    "cl-testtype-all-options": self.CL_ALL_DISABLED
+                    "cl-testtype-all-options": C.CL_ALL_DISABLED
                 })
             elif trigger_id == "dd-ctrl-dutver":
                 try:
@@ -1095,15 +1037,15 @@ class Layout:
                     "cl-core-options": list(),
                     "cl-core-value": list(),
                     "cl-core-all-value": list(),
-                    "cl-core-all-options": self.CL_ALL_DISABLED,
+                    "cl-core-all-options": C.CL_ALL_DISABLED,
                     "cl-framesize-options": list(),
                     "cl-framesize-value": list(),
                     "cl-framesize-all-value": list(),
-                    "cl-framesize-all-options": self.CL_ALL_DISABLED,
+                    "cl-framesize-all-options": C.CL_ALL_DISABLED,
                     "cl-testtype-options": list(),
                     "cl-testtype-value": list(),
                     "cl-testtype-all-value": list(),
-                    "cl-testtype-all-options": self.CL_ALL_DISABLED
+                    "cl-testtype-all-options": C.CL_ALL_DISABLED
                 })
             elif trigger_id == "dd-ctrl-phy":
                 try:
@@ -1131,15 +1073,15 @@ class Layout:
                     "cl-core-options": list(),
                     "cl-core-value": list(),
                     "cl-core-all-value": list(),
-                    "cl-core-all-options": self.CL_ALL_DISABLED,
+                    "cl-core-all-options": C.CL_ALL_DISABLED,
                     "cl-framesize-options": list(),
                     "cl-framesize-value": list(),
                     "cl-framesize-all-value": list(),
-                    "cl-framesize-all-options": self.CL_ALL_DISABLED,
+                    "cl-framesize-all-options": C.CL_ALL_DISABLED,
                     "cl-testtype-options": list(),
                     "cl-testtype-value": list(),
                     "cl-testtype-all-value": list(),
-                    "cl-testtype-all-options": self.CL_ALL_DISABLED
+                    "cl-testtype-all-options": C.CL_ALL_DISABLED
                 })
             elif trigger_id == "dd-ctrl-area":
                 try:
@@ -1164,15 +1106,15 @@ class Layout:
                     "cl-core-options": list(),
                     "cl-core-value": list(),
                     "cl-core-all-value": list(),
-                    "cl-core-all-options": self.CL_ALL_DISABLED,
+                    "cl-core-all-options": C.CL_ALL_DISABLED,
                     "cl-framesize-options": list(),
                     "cl-framesize-value": list(),
                     "cl-framesize-all-value": list(),
-                    "cl-framesize-all-options": self.CL_ALL_DISABLED,
+                    "cl-framesize-all-options": C.CL_ALL_DISABLED,
                     "cl-testtype-options": list(),
                     "cl-testtype-value": list(),
                     "cl-testtype-all-value": list(),
-                    "cl-testtype-all-options": self.CL_ALL_DISABLED
+                    "cl-testtype-all-options": C.CL_ALL_DISABLED
                 })
             elif trigger_id == "dd-ctrl-test":
                 rls = ctrl_panel.get("dd-rls-value")
@@ -1188,17 +1130,17 @@ class Layout:
                             for v in sorted(test["core"])],
                         "cl-core-value": list(),
                         "cl-core-all-value": list(),
-                        "cl-core-all-options": self.CL_ALL_ENABLED,
+                        "cl-core-all-options": C.CL_ALL_ENABLED,
                         "cl-framesize-options": [{"label": v, "value": v}
                             for v in sorted(test["frame-size"])],
                         "cl-framesize-value": list(),
                         "cl-framesize-all-value": list(),
-                        "cl-framesize-all-options": self.CL_ALL_ENABLED,
+                        "cl-framesize-all-options": C.CL_ALL_ENABLED,
                         "cl-testtype-options": [{"label": v, "value": v}
                             for v in sorted(test["test-type"])],
                         "cl-testtype-value": list(),
                         "cl-testtype-all-value": list(),
-                        "cl-testtype-all-options": self.CL_ALL_ENABLED,
+                        "cl-testtype-all-options": C.CL_ALL_ENABLED,
                     })
             elif trigger_id == "cl-ctrl-core":
                 val_sel, val_all = self._sync_checklists(
@@ -1305,21 +1247,21 @@ class Layout:
                                         "testtype": ttype.lower()
                                     })
                     store_sel = sorted(store_sel, key=lambda d: d["id"])
-                    row_card_sel_tests = self.STYLE_ENABLED
-                    row_btns_sel_tests = self.STYLE_ENABLED
-                    if self.CLEAR_ALL_INPUTS:
+                    row_card_sel_tests = C.STYLE_ENABLED
+                    row_btns_sel_tests = C.STYLE_ENABLED
+                    if C.CLEAR_ALL_INPUTS:
                         ctrl_panel.set(ctrl_panel.defaults)
                     ctrl_panel.set({
                         "cl-selected-options": self._list_tests(store_sel)
                     })
             elif trigger_id == "btn-sel-remove-all":
                 _ = btn_remove_all
-                row_fig_tput = self.PLACEHOLDER
-                row_fig_lat = self.PLACEHOLDER
-                row_table = self.PLACEHOLDER
-                row_btn_dwnld = self.PLACEHOLDER
-                row_card_sel_tests = self.STYLE_DISABLED
-                row_btns_sel_tests = self.STYLE_DISABLED
+                row_fig_tput = C.PLACEHOLDER
+                row_fig_lat = C.PLACEHOLDER
+                row_table = C.PLACEHOLDER
+                row_btn_dwnld = C.PLACEHOLDER
+                row_card_sel_tests = C.STYLE_DISABLED
+                row_btns_sel_tests = C.STYLE_DISABLED
                 store_sel = list()
                 ctrl_panel.set({"cl-selected-options": list()})
             elif trigger_id == "btn-sel-remove":
@@ -1337,8 +1279,8 @@ class Layout:
                     store_sel = literal_eval(
                         url_params.get("store_sel", list())[0])
                     if store_sel:
-                        row_card_sel_tests = self.STYLE_ENABLED
-                        row_btns_sel_tests = self.STYLE_ENABLED
+                        row_card_sel_tests = C.STYLE_ENABLED
+                        row_btns_sel_tests = C.STYLE_ENABLED
 
             if trigger_id in ("btn-ctrl-add", "url", "btn-sel-remove",
                     "cl-ctrl-normalize"):
@@ -1358,12 +1300,12 @@ class Layout:
                         "cl-selected-options": self._list_tests(store_sel)
                     })
                 else:
-                    row_fig_tput = self.PLACEHOLDER
-                    row_fig_lat = self.PLACEHOLDER
-                    row_table = self.PLACEHOLDER
-                    row_btn_dwnld = self.PLACEHOLDER
-                    row_card_sel_tests = self.STYLE_DISABLED
-                    row_btns_sel_tests = self.STYLE_DISABLED
+                    row_fig_tput = C.PLACEHOLDER
+                    row_fig_lat = C.PLACEHOLDER
+                    row_table = C.PLACEHOLDER
+                    row_btn_dwnld = C.PLACEHOLDER
+                    row_card_sel_tests = C.STYLE_DISABLED
+                    row_btns_sel_tests = C.STYLE_DISABLED
                     store_sel = list()
                     ctrl_panel.set({"cl-selected-options": list()})
 
diff --git a/resources/tools/dash/app/pal/report/report.py b/resources/tools/dash/app/pal/report/report.py
index c02b409973..c6008ca595 100644
--- a/resources/tools/dash/app/pal/report/report.py
+++ b/resources/tools/dash/app/pal/report/report.py
@@ -14,8 +14,8 @@
 """Instantiate the Report Dash applocation.
 """
 import dash
-import dash_bootstrap_components as dbc
 
+from ..utils.constants import Constants as C
 from .layout import Layout
 
 
@@ -30,17 +30,17 @@ def init_report(server, releases):
 
     dash_app = dash.Dash(
         server=server,
-        routes_pathname_prefix=u"/report/",
-        external_stylesheets=[dbc.themes.LUX],
+        routes_pathname_prefix=C.REPORT_ROUTES_PATHNAME_PREFIX,
+        external_stylesheets=C.EXTERNAL_STYLESHEETS
     )
 
     layout = Layout(
         app=dash_app,
         releases=releases,
-        html_layout_file="pal/templates/report_layout.jinja2",
-        graph_layout_file="pal/report/layout.yaml",
-        data_spec_file="pal/data/data.yaml",
-        tooltip_file="pal/data/tooltips.yaml"
+        html_layout_file=C.REPORT_HTML_LAYOUT_FILE,
+        graph_layout_file=C.REPORT_GRAPH_LAYOUT_FILE,
+        data_spec_file=C.DATA_SPEC_FILE,
+        tooltip_file=C.TOOLTIP_FILE,
     )
     dash_app.index_string = layout.html_layout
     dash_app.layout = layout.add_content()