perf: add TCP Nginx+LDPRELOAD suites
[csit.git] / resources / libraries / python / autogen / Regenerator.py
index 89acff7..fd0d8cf 100644 (file)
@@ -1,4 +1,4 @@
-# Copyright (c) 2019 Cisco and/or its affiliates.
+# Copyright (c) 2021 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:
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Module defining utilities for test directory regeneration."""
+"""Module defining utilities for test directory regeneration.
 
-from __future__ import print_function
+TODO: How can we check each suite id is unique,
+      when currently the suite generation is run on each directory separately?
+"""
+
+import sys
 
 from glob import glob
+from io import open
 from os import getcwd
-import sys
 
-from .DefaultTestcase import DefaultTestcase
+
 from resources.libraries.python.Constants import Constants
+from resources.libraries.python.autogen.Testcase import Testcase
 
 
-# Copied from https://stackoverflow.com/a/14981125
-def eprint(*args, **kwargs):
-    """Print to stderr."""
-    print(*args, file=sys.stderr, **kwargs)
+PROTOCOL_TO_MIN_FRAME_SIZE = {
+    u"ip4": 64,
+    u"ip6": 78,
+    u"ethip4vxlan": 114,  # What is the real minimum for latency stream?
+    u"dot1qip4vxlan": 118
+}
+MIN_FRAME_SIZE_VALUES = list(PROTOCOL_TO_MIN_FRAME_SIZE.values())
 
 
-class Regenerator(object):
-    """Class containing file generating methods."""
+def replace_defensively(
+        whole, to_replace, replace_with, how_many, msg, in_filename):
+    """Replace substrings while checking the number of occurrences.
+
+    Return edited copy of the text. Assuming "whole" is really a string,
+    or something else with .replace not affecting it.
+
+    :param whole: The text to perform replacements on.
+    :param to_replace: Substring occurrences of which to replace.
+    :param replace_with: Substring to replace occurrences with.
+    :param how_many: Number of occurrences to expect.
+    :param msg: Error message to raise.
+    :param in_filename: File name in which the error occurred.
+    :type whole: str
+    :type to_replace: str
+    :type replace_with: str
+    :type how_many: int
+    :type msg: str
+    :type in_filename: str
+    :returns: The whole text after replacements are done.
+    :rtype: str
+    :raises ValueError: If number of occurrences does not match.
+    """
+    found = whole.count(to_replace)
+    if found != how_many:
+        raise ValueError(f"{in_filename}: {msg}")
+    return whole.replace(to_replace, replace_with)
+
+
+def get_iface_and_suite_ids(filename):
+    """Get NIC code, suite ID and suite tag.
+
+    NIC code is the part of suite name
+    which should be replaced for other NIC.
+    Suite ID is the part os suite name
+    which is appended to test case names.
+    Suite tag is suite ID without both test type and NIC driver parts.
+
+    :param filename: Suite file.
+    :type filename: str
+    :returns: NIC code, suite ID, suite tag.
+    :rtype: 3-tuple of str
+    """
+    dash_split = filename.split(u"-", 1)
+    if len(dash_split[0]) <= 4:
+        # It was something like "2n1l", we need one more split.
+        dash_split = dash_split[1].split(u"-", 1)
+    nic_code = dash_split[0]
+    suite_id = dash_split[1].split(u".robot", 1)[0]
+    suite_tag = suite_id.rsplit(u"-", 1)[0]
+    for prefix in Constants.FORBIDDEN_SUITE_PREFIX_LIST:
+        if suite_tag.startswith(prefix):
+            suite_tag = suite_tag[len(prefix):]
+    return nic_code, suite_id, suite_tag
+
+
+def check_suite_tag(suite_tag, prolog):
+    """Verify suite tag occurres once in prolog.
+
+    Call this after all edits are done,
+    to confirm the (edited) suite tag still matches the (edited) suite name.
+
+    Currently, the edited suite tag is expect to be identical
+    to the primary suite tag, but having a function is more flexible.
+
+    The occurences are counted including "| " prefix,
+    to lower the chance to match a comment.
 
-    def __init__(self, testcase_class=DefaultTestcase, quiet=True):
-        """Initialize Testcase class to use.
+    :param suite_tag: Part of suite name, between NIC driver and suite type.
+    :param prolog: The part of .robot file content without test cases.
+    :type suite_tag: str
+    :type prolog: str
+    :raises ValueError: If suite_tag not found exactly once.
+    """
+    found = prolog.count(u"| " + suite_tag)
+    if found != 1:
+        raise ValueError(f"Suite tag found {found} times for {suite_tag}")
 
-        TODO: See the type doc for testcase_class?
-        It implies the design is wrong. Fix it.
-        Easiest: Hardcode Regenerator to use DefaultTestcase only.
 
-        :param testcase_class: Subclass of DefaultTestcase for generation.
-            Default: DefaultTestcase
+def add_default_testcases(testcase, iface, suite_id, file_out, tc_kwargs_list):
+    """Add default testcases to file.
+
+    :param testcase: Testcase class.
+    :param iface: Interface.
+    :param suite_id: Suite ID.
+    :param file_out: File to write testcases to.
+    :param tc_kwargs_list: Key-value pairs used to construct testcases.
+    :type testcase: Testcase
+    :type iface: str
+    :type suite_id: str
+    :type file_out: file
+    :type tc_kwargs_list: dict
+    """
+    for kwargs in tc_kwargs_list:
+        # TODO: Is there a better way to disable some combinations?
+        emit = True
+        if kwargs[u"frame_size"] == 9000:
+            if u"vic1227" in iface:
+                # Not supported in HW.
+                emit = False
+            if u"vic1385" in iface:
+                # Not supported in HW.
+                emit = False
+        if u"-16vm2t-" in suite_id or u"-16dcr2t-" in suite_id:
+            if kwargs[u"phy_cores"] > 3:
+                # CSIT lab only has 28 (physical) core processors,
+                # so these test would fail when attempting to assign cores.
+                emit = False
+        if u"-24vm1t-" in suite_id or u"-24dcr1t-" in suite_id:
+            if kwargs[u"phy_cores"] > 3:
+                # CSIT lab only has 28 (physical) core processors,
+                # so these test would fail when attempting to assign cores.
+                emit = False
+        if u"soak" in suite_id:
+            # Soak test take too long, do not risk other than tc01.
+            if kwargs[u"phy_cores"] != 1:
+                emit = False
+            if kwargs[u"frame_size"] not in MIN_FRAME_SIZE_VALUES:
+                emit = False
+        if (
+            u"-cps-" in suite_id
+            or u"-pps-" in suite_id
+            or u"-tput-" in suite_id
+        ):
+            if kwargs[u"frame_size"] not in MIN_FRAME_SIZE_VALUES:
+                emit = False
+        if emit:
+            file_out.write(testcase.generate(**kwargs))
+
+
+def add_tcp_testcases(testcase, file_out, tc_kwargs_list):
+    """Add TCP testcases to file.
+
+    :param testcase: Testcase class.
+    :param file_out: File to write testcases to.
+    :param tc_kwargs_list: Key-value pairs used to construct testcases.
+    :type testcase: Testcase
+    :type file_out: file
+    :type tc_kwargs_list: dict
+    """
+    for kwargs in tc_kwargs_list:
+        file_out.write(testcase.generate(**kwargs))
+
+
+def add_iperf3_testcases(testcase, file_out, tc_kwargs_list):
+    """Add iperf3 testcases to file.
+
+    :param testcase: Testcase class.
+    :param file_out: File to write testcases to.
+    :param tc_kwargs_list: Key-value pairs used to construct testcases.
+    :type testcase: Testcase
+    :type file_out: file
+    :type tc_kwargs_list: dict
+    """
+    for kwargs in tc_kwargs_list:
+        file_out.write(testcase.generate(**kwargs))
+
+
+def write_default_files(in_filename, in_prolog, kwargs_list):
+    """Using given filename and prolog, write all generated suites.
+
+    :param in_filename: Template filename to derive real filenames from.
+    :param in_prolog: Template content to derive real content from.
+    :param kwargs_list: List of kwargs for add_default_testcase.
+    :type in_filename: str
+    :type in_prolog: str
+    :type kwargs_list: list of dict
+    """
+    for suite_type in Constants.PERF_TYPE_TO_KEYWORD:
+        tmp_filename = replace_defensively(
+            in_filename, u"ndrpdr", suite_type, 1,
+            u"File name should contain suite type once.", in_filename
+        )
+        tmp_prolog = replace_defensively(
+            in_prolog, u"ndrpdr".upper(), suite_type.upper(), 1,
+            u"Suite type should appear once in uppercase (as tag).",
+            in_filename
+        )
+        tmp_prolog = replace_defensively(
+            tmp_prolog,
+            u"Find NDR and PDR intervals using optimized search",
+            Constants.PERF_TYPE_TO_KEYWORD[suite_type], 1,
+            u"Main search keyword should appear once in suite.",
+            in_filename
+        )
+        tmp_prolog = replace_defensively(
+            tmp_prolog,
+            Constants.PERF_TYPE_TO_SUITE_DOC_VER[u"ndrpdr"],
+            Constants.PERF_TYPE_TO_SUITE_DOC_VER[suite_type],
+            1, u"Exact suite type doc not found.", in_filename
+        )
+        tmp_prolog = replace_defensively(
+            tmp_prolog,
+            Constants.PERF_TYPE_TO_TEMPLATE_DOC_VER[u"ndrpdr"],
+            Constants.PERF_TYPE_TO_TEMPLATE_DOC_VER[suite_type],
+            1, u"Exact template type doc not found.", in_filename
+        )
+        _, suite_id, _ = get_iface_and_suite_ids(tmp_filename)
+        testcase = Testcase.default(suite_id)
+        for nic_name in Constants.NIC_NAME_TO_CODE:
+            tmp2_filename = replace_defensively(
+                tmp_filename, u"10ge2p1x710",
+                Constants.NIC_NAME_TO_CODE[nic_name], 1,
+                u"File name should contain NIC code once.", in_filename
+            )
+            tmp2_prolog = replace_defensively(
+                tmp_prolog, u"Intel-X710", nic_name, 2,
+                u"NIC name should appear twice (tag and variable).",
+                in_filename
+            )
+            if tmp2_prolog.count(u"HW_") == 2:
+                # TODO CSIT-1481: Crypto HW should be read
+                #      from topology file instead.
+                if nic_name in Constants.NIC_NAME_TO_CRYPTO_HW:
+                    tmp2_prolog = replace_defensively(
+                        tmp2_prolog, u"HW_DH895xcc",
+                        Constants.NIC_NAME_TO_CRYPTO_HW[nic_name], 1,
+                        u"HW crypto name should appear.", in_filename
+                    )
+            iface, old_suite_id, old_suite_tag = get_iface_and_suite_ids(
+                tmp2_filename
+            )
+            if u"DPDK" in in_prolog:
+                for driver in Constants.DPDK_NIC_NAME_TO_DRIVER[nic_name]:
+                    out_filename = replace_defensively(
+                        tmp2_filename, old_suite_id,
+                        Constants.DPDK_NIC_DRIVER_TO_SUITE_PREFIX[driver] \
+                            + old_suite_id,
+                        1, u"Error adding driver prefix.", in_filename
+                    )
+                    out_prolog = replace_defensively(
+                        tmp2_prolog, u"vfio-pci", driver, 1,
+                        u"Driver name should appear once.", in_filename
+                    )
+                    out_prolog = replace_defensively(
+                        out_prolog,
+                        Constants.DPDK_NIC_DRIVER_TO_TAG[u"vfio-pci"],
+                        Constants.DPDK_NIC_DRIVER_TO_TAG[driver], 1,
+                        u"Driver tag should appear once.", in_filename
+                    )
+                    iface, suite_id, suite_tag = get_iface_and_suite_ids(
+                        out_filename
+                    )
+                    # The next replace is probably a noop, but it is safer to
+                    # maintain the same structure as for other edits.
+                    out_prolog = replace_defensively(
+                        out_prolog, old_suite_tag, suite_tag, 1,
+                        f"Perf suite tag {old_suite_tag} should appear once.",
+                        in_filename
+                    )
+                    check_suite_tag(suite_tag, out_prolog)
+                    # TODO: Reorder loops so suite_id is finalized sooner.
+                    testcase = Testcase.default(suite_id)
+                    with open(out_filename, u"wt") as file_out:
+                        file_out.write(out_prolog)
+                        add_default_testcases(
+                            testcase, iface, suite_id, file_out, kwargs_list
+                        )
+                continue
+            for driver in Constants.NIC_NAME_TO_DRIVER[nic_name]:
+                out_filename = replace_defensively(
+                    tmp2_filename, old_suite_id,
+                    Constants.NIC_DRIVER_TO_SUITE_PREFIX[driver] + old_suite_id,
+                    1, u"Error adding driver prefix.", in_filename
+                )
+                out_prolog = replace_defensively(
+                    tmp2_prolog, u"vfio-pci", driver, 1,
+                    u"Driver name should appear once.", in_filename
+                )
+                out_prolog = replace_defensively(
+                    out_prolog, Constants.NIC_DRIVER_TO_TAG[u"vfio-pci"],
+                    Constants.NIC_DRIVER_TO_TAG[driver], 1,
+                    u"Driver tag should appear once.", in_filename
+                )
+                out_prolog = replace_defensively(
+                    out_prolog, Constants.NIC_DRIVER_TO_PLUGINS[u"vfio-pci"],
+                    Constants.NIC_DRIVER_TO_PLUGINS[driver], 1,
+                    u"Driver plugin should appear once.", in_filename
+                )
+                out_prolog = replace_defensively(
+                    out_prolog, Constants.NIC_DRIVER_TO_VFS[u"vfio-pci"],
+                    Constants.NIC_DRIVER_TO_VFS[driver], 1,
+                    u"NIC VFs argument should appear once.", in_filename
+                )
+                iface, suite_id, suite_tag = get_iface_and_suite_ids(
+                    out_filename
+                )
+                # The next replace is probably a noop, but it is safer to
+                # maintain the same structure as for other edits.
+                out_prolog = replace_defensively(
+                    out_prolog, old_suite_tag, suite_tag, 1,
+                    f"Perf suite tag {old_suite_tag} should appear once.",
+                    in_filename
+                )
+                check_suite_tag(suite_tag, out_prolog)
+                # TODO: Reorder loops so suite_id is finalized sooner.
+                testcase = Testcase.default(suite_id)
+                with open(out_filename, u"wt") as file_out:
+                    file_out.write(out_prolog)
+                    add_default_testcases(
+                        testcase, iface, suite_id, file_out, kwargs_list
+                    )
+
+
+def write_reconf_files(in_filename, in_prolog, kwargs_list):
+    """Using given filename and prolog, write all generated reconf suites.
+
+    Use this for suite type reconf, as its local template
+    is incompatible with mrr/ndrpdr/soak local template,
+    while test cases are compatible.
+
+    :param in_filename: Template filename to derive real filenames from.
+    :param in_prolog: Template content to derive real content from.
+    :param kwargs_list: List of kwargs for add_testcase.
+    :type in_filename: str
+    :type in_prolog: str
+    :type kwargs_list: list of dict
+    """
+    _, suite_id, _ = get_iface_and_suite_ids(in_filename)
+    testcase = Testcase.default(suite_id)
+    for nic_name in Constants.NIC_NAME_TO_CODE:
+        tmp_filename = replace_defensively(
+            in_filename, u"10ge2p1x710",
+            Constants.NIC_NAME_TO_CODE[nic_name], 1,
+            u"File name should contain NIC code once.", in_filename
+        )
+        tmp_prolog = replace_defensively(
+            in_prolog, u"Intel-X710", nic_name, 2,
+            u"NIC name should appear twice (tag and variable).",
+            in_filename
+        )
+        if tmp_prolog.count(u"HW_") == 2:
+            # TODO CSIT-1481: Crypto HW should be read
+            #      from topology file instead.
+            if nic_name in Constants.NIC_NAME_TO_CRYPTO_HW.keys():
+                tmp_prolog = replace_defensively(
+                    tmp_prolog, u"HW_DH895xcc",
+                    Constants.NIC_NAME_TO_CRYPTO_HW[nic_name], 1,
+                    u"HW crypto name should appear.", in_filename
+                )
+        iface, old_suite_id, old_suite_tag = get_iface_and_suite_ids(
+            tmp_filename
+        )
+        for driver in Constants.NIC_NAME_TO_DRIVER[nic_name]:
+            out_filename = replace_defensively(
+                tmp_filename, old_suite_id,
+                Constants.NIC_DRIVER_TO_SUITE_PREFIX[driver] + old_suite_id,
+                1, u"Error adding driver prefix.", in_filename
+            )
+            out_prolog = replace_defensively(
+                tmp_prolog, u"vfio-pci", driver, 1,
+                u"Driver name should appear once.", in_filename
+            )
+            out_prolog = replace_defensively(
+                out_prolog, Constants.NIC_DRIVER_TO_TAG[u"vfio-pci"],
+                Constants.NIC_DRIVER_TO_TAG[driver], 1,
+                u"Driver tag should appear once.", in_filename
+            )
+            out_prolog = replace_defensively(
+                out_prolog, Constants.NIC_DRIVER_TO_PLUGINS[u"vfio-pci"],
+                Constants.NIC_DRIVER_TO_PLUGINS[driver], 1,
+                u"Driver plugin should appear once.", in_filename
+            )
+            out_prolog = replace_defensively(
+                out_prolog, Constants.NIC_DRIVER_TO_VFS[u"vfio-pci"],
+                Constants.NIC_DRIVER_TO_VFS[driver], 1,
+                u"NIC VFs argument should appear once.", in_filename
+            )
+            iface, suite_id, suite_tag = get_iface_and_suite_ids(out_filename)
+            out_prolog = replace_defensively(
+                out_prolog, old_suite_tag, suite_tag, 1,
+                u"Perf suite tag should appear once.", in_filename
+            )
+            check_suite_tag(suite_tag, out_prolog)
+            # TODO: Reorder loops so suite_id is finalized sooner.
+            testcase = Testcase.default(suite_id)
+            with open(out_filename, u"wt") as file_out:
+                file_out.write(out_prolog)
+                add_default_testcases(
+                    testcase, iface, suite_id, file_out, kwargs_list
+                )
+
+
+def write_tcp_files(in_filename, in_prolog, kwargs_list):
+    """Using given filename and prolog, write all generated tcp suites.
+
+    TODO: Suport drivers.
+
+    :param in_filename: Template filename to derive real filenames from.
+    :param in_prolog: Template content to derive real content from.
+    :param kwargs_list: List of kwargs for add_default_testcase.
+    :type in_filename: str
+    :type in_prolog: str
+    :type kwargs_list: list of dict
+    """
+    # TODO: Generate rps from cps? There are subtle differences.
+    _, suite_id, suite_tag = get_iface_and_suite_ids(in_filename)
+    testcase = Testcase.tcp(suite_id)
+    for nic_name in Constants.NIC_NAME_TO_CODE:
+        out_filename = replace_defensively(
+            in_filename, u"10ge2p1x710",
+            Constants.NIC_NAME_TO_CODE[nic_name], 1,
+            u"File name should contain NIC code once.", in_filename
+        )
+        out_prolog = replace_defensively(
+            in_prolog, u"Intel-X710", nic_name, 2,
+            u"NIC name should appear twice (tag and variable).",
+            in_filename
+        )
+        check_suite_tag(suite_tag, out_prolog)
+        with open(out_filename, u"wt") as file_out:
+            file_out.write(out_prolog)
+            add_tcp_testcases(testcase, file_out, kwargs_list)
+
+
+def write_iperf3_files(in_filename, in_prolog, kwargs_list):
+    """Using given filename and prolog, write all generated iperf3 suites.
+
+    :param in_filename: Template filename to derive real filenames from.
+    :param in_prolog: Template content to derive real content from.
+    :param kwargs_list: List of kwargs for add_default_testcase.
+    :type in_filename: str
+    :type in_prolog: str
+    :type kwargs_list: list of dict
+    """
+    _, suite_id, suite_tag = get_iface_and_suite_ids(in_filename)
+    testcase = Testcase.iperf3(suite_id)
+    out_filename = replace_defensively(
+        in_filename, u"10ge2p1x710",
+        Constants.NIC_NAME_TO_CODE[u"Intel-X710"], 1,
+        u"File name should contain NIC code once.", in_filename
+    )
+    out_prolog = replace_defensively(
+        in_prolog, u"Intel-X710", u"Intel-X710", 2,
+        u"NIC name should appear twice (tag and variable).",
+        in_filename
+    )
+    check_suite_tag(suite_tag, out_prolog)
+    with open(out_filename, u"wt") as file_out:
+        file_out.write(out_prolog)
+        add_iperf3_testcases(testcase, file_out, kwargs_list)
+
+
+class Regenerator:
+    """Class containing file generating methods."""
+
+    def __init__(self, quiet=True):
+        """Initialize the instance.
+
         :param quiet: Reduce log prints (to stderr) when True (default).
-        :type testcase_class: subclass of DefaultTestcase accepting suite_id
         :type quiet: boolean
         """
-        self.testcase_class = testcase_class
         self.quiet = quiet
 
-    def regenerate_glob(self, pattern, protocol="ip4", tc_kwargs_list=None):
+    def regenerate_glob(self, pattern, protocol=u"ip4"):
         """Regenerate files matching glob pattern based on arguments.
 
         In the current working directory, find all files matching
-        the glob pattern. Use testcase template (from init) to regenerate
-        test cases, autonumbering them, taking arguments from list.
-        If the list is None, use default list, which depends on ip6 usage.
+        the glob pattern. Use testcase template to regenerate test cases
+        according to suffix, governed by protocol, autonumbering them.
+        Also generate suites for other NICs and drivers.
 
-        Log-like prints are emited to sys.stderr.
+        Log-like prints are emitted to sys.stderr.
 
         :param pattern: Glob pattern to select files. Example: *-ndrpdr.robot
-        :param is_ip6: Flag determining minimal frame size. Default: False
-        :param tc_kwargs_list: Arguments defining the testcases. Default: None
-            When None, default list is used.
-            List item is a dict, argument names are keys.
-            The initialized testcase_class should accept those, and "num".
-            DefaultTestcase accepts "frame_size" and "phy_cores".
+        :param protocol: String determining minimal frame size. Default: "ip4"
         :type pattern: str
-        :type is_ip6: boolean
-        :type tc_kwargs_list: list of tuple or None
+        :type protocol: str
+        :raises RuntimeError: If invalid source suite is encountered.
         """
+        if not self.quiet:
+            print(f"Regenerator starts at {getcwd()}", file=sys.stderr)
 
-        protocol_to_min_frame_size = {
-            "ip4": 64,
-            "ip6": 78,
-            "ethip4vxlan": 114,  # What is the real minimum for latency stream?
-            "dot1qip4vxlan": 118
-        }
-        min_frame_size_values = protocol_to_min_frame_size.values()
-
-        def get_iface_and_suite_id(filename):
-            """Get interface and suite ID.
-
-            :param filename: Suite file.
-            :type filename: str
-            :returns: Interface ID, Suite ID.
-            :rtype: tuple
-            """
-            dash_split = filename.split("-", 1)
-            if len(dash_split[0]) <= 4:
-                # It was something like "2n1l", we need one more split.
-                dash_split = dash_split[1].split("-", 1)
-            return dash_split[0], dash_split[1].split(".", 1)[0]
-
-        def add_testcase(testcase, iface, suite_id, file_out, num, **kwargs):
-            """Add testcase to file.
-
-            :param testcase: Testcase class.
-            :param iface: Interface.
-            :param suite_id: Suite ID.
-            :param file_out: File to write testcases to.
-            :param num: Testcase number.
-            :param kwargs: Key-value pairs used to construct testcase.
-            :type testcase: Testcase
-            :type iface: str
-            :type suite_id: str
-            :type file_out: file
-            :type num: int
-            :type kwargs: dict
-            :returns: Next testcase number.
-            :rtype: int
-            """
-            # TODO: Is there a better way to disable some combinations?
-            emit = True
-            if kwargs["frame_size"] == 9000:
-                if "vic1227" in iface:
-                    # Not supported in HW.
-                    emit = False
-                if "vic1385" in iface:
-                    # Not supported in HW.
-                    emit = False
-            if "-16vm2t-" in suite_id or "-16dcr2t-" in suite_id:
-                if kwargs["phy_cores"] > 3:
-                    # CSIT lab only has 28 (physical) core processors,
-                    # so these test would fail when attempting to assign cores.
-                    emit = False
-            if "-24vm1t-" in suite_id or "-24dcr1t-" in suite_id:
-                if kwargs["phy_cores"] > 3:
-                    # CSIT lab only has 28 (physical) core processors,
-                    # so these test would fail when attempting to assign cores.
-                    emit = False
-            if "soak" in suite_id:
-                # Soak test take too long, do not risk other than tc01.
-                if kwargs["phy_cores"] != 1:
-                    emit = False
-                if kwargs["frame_size"] not in min_frame_size_values:
-                    emit = False
-            if emit:
-                file_out.write(testcase.generate(num=num, **kwargs))
-            # We bump tc number in any case, so that future enables/disables
-            # do not affect the numbering of other test cases.
-            return num + 1
-
-        def add_testcases(testcase, iface, suite_id, file_out, tc_kwargs_list):
-            """Add testcases to file.
-
-            :param testcase: Testcase class.
-            :param iface: Interface.
-            :param suite_id: Suite ID.
-            :param file_out: File to write testcases to.
-            :param tc_kwargs_list: Key-value pairs used to construct testcases.
-            :type testcase: Testcase
-            :type iface: str
-            :type suite_id: str
-            :type file_out: file
-            :type tc_kwargs_list: dict
-            """
-            num = 1
-            for tc_kwargs in tc_kwargs_list:
-                num = add_testcase(
-                    testcase, iface, suite_id, file_out, num, **tc_kwargs)
-
-        def replace_defensively(
-                whole, to_replace, replace_with, how_many, msg, in_filename):
-            """Replace substrings while checking the number of occurences.
-
-            Return edited copy of the text (so original string is not affected).
-
-            :param whole: The text to perform replacements on.
-            :param to_replace: Substring occurences of which to replace.
-            :param replace_with: Substring to replace occurences with.
-            :param how_many: Number of occurences to expect.
-            :param msg: Error message to raise.
-            :param in_filename: File name in which the error occured.
-            :type whole: str
-            :type to_replace: str
-            :type replace_with: str
-            :type how_many: int
-            :type msg: str
-            :type in_filename: str
-            :return: The whole text after replacements are done.
-            :rtype: str
-            :raise ValueError: If number of occurences does not match.
-            """
-            found = whole.count(to_replace)
-            if found != how_many:
-                raise ValueError(in_filename + ": " + msg)
-            return whole.replace(to_replace, replace_with)
-
-        def write_files(in_filename, in_prolog, kwargs_list):
-            """Using given filename and prolog, write all generated suites.
-
-            :param in_filename: Template filename to derive real filenames from.
-            :param in_prolog: Template content to derive real content from.
-            :param kwargs_list: List of kwargs for add_testcase.
-            :type in_filename: str
-            :type in_prolog: str
-            :type kwargs_list: list of dict
-            """
-            for suite_type in Constants.PERF_TYPE_TO_KEYWORD.keys():
-                tmp_filename = replace_defensively(
-                    in_filename, "ndrpdr", suite_type, 1,
-                    "File name should contain suite type once.", in_filename)
-                tmp_prolog = replace_defensively(
-                    in_prolog, "ndrpdr".upper(), suite_type.upper(), 1,
-                    "Suite type should appear once in uppercase (as tag).",
-                    in_filename)
-                tmp_prolog = replace_defensively(
-                    tmp_prolog,
-                    "Find NDR and PDR intervals using optimized search",
-                    Constants.PERF_TYPE_TO_KEYWORD[suite_type], 1,
-                    "Main search keyword should appear once in suite.",
-                    in_filename)
-                tmp_prolog = replace_defensively(
-                    tmp_prolog,
-                    Constants.PERF_TYPE_TO_SUITE_DOC_VER["ndrpdr"],
-                    Constants.PERF_TYPE_TO_SUITE_DOC_VER[suite_type],
-                    1, "Exact suite type doc not found.", in_filename)
-                tmp_prolog = replace_defensively(
-                    tmp_prolog,
-                    Constants.PERF_TYPE_TO_TEMPLATE_DOC_VER["ndrpdr"],
-                    Constants.PERF_TYPE_TO_TEMPLATE_DOC_VER[suite_type],
-                    1, "Exact template type doc not found.", in_filename)
-                _, suite_id = get_iface_and_suite_id(tmp_filename)
-                testcase = self.testcase_class(suite_id)
-                for nic_name in Constants.NIC_NAME_TO_CODE.keys():
-                    out_filename = replace_defensively(
-                        tmp_filename, "10ge2p1x710",
-                        Constants.NIC_NAME_TO_CODE[nic_name], 1,
-                        "File name should contain NIC code once.", in_filename)
-                    out_prolog = replace_defensively(
-                        tmp_prolog, "Intel-X710", nic_name, 2,
-                        "NIC name should appear twice (tag and variable).",
-                        in_filename)
-                    if out_prolog.count("HW_") == 2:
-                        # TODO CSIT-1481: Crypto HW should be read
-                        # from topology file instead.
-                        if nic_name in Constants.NIC_NAME_TO_CRYPTO_HW.keys():
-                            out_prolog = replace_defensively(
-                                out_prolog, "HW_DH895xcc",
-                                Constants.NIC_NAME_TO_CRYPTO_HW[nic_name], 1,
-                                "HW crypto name should appear.", in_filename)
-                    iface, suite_id = get_iface_and_suite_id(out_filename)
-                    with open(out_filename, "w") as file_out:
-                        file_out.write(out_prolog)
-                        add_testcases(
-                            testcase, iface, suite_id, file_out, kwargs_list)
+        min_frame_size = PROTOCOL_TO_MIN_FRAME_SIZE[protocol]
+        default_kwargs_list = [
+            {u"frame_size": min_frame_size, u"phy_cores": 1},
+            {u"frame_size": min_frame_size, u"phy_cores": 2},
+            {u"frame_size": min_frame_size, u"phy_cores": 4},
+            {u"frame_size": 1518, u"phy_cores": 1},
+            {u"frame_size": 1518, u"phy_cores": 2},
+            {u"frame_size": 1518, u"phy_cores": 4},
+            {u"frame_size": 9000, u"phy_cores": 1},
+            {u"frame_size": 9000, u"phy_cores": 2},
+            {u"frame_size": 9000, u"phy_cores": 4},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 1},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 2},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 4}
+        ]
+        hs_bps_kwargs_list = [
+            {u"frame_size": 1460, u"phy_cores": 1},
+        ]
+        hs_quic_kwargs_list = [
+            {u"frame_size": 1280, u"phy_cores": 1},
+        ]
+        iperf3_kwargs_list = [
+            {u"frame_size": 128000, u"phy_cores": 1},
+            {u"frame_size": 128000, u"phy_cores": 2},
+            {u"frame_size": 128000, u"phy_cores": 4}
+        ]
+        # List for tests with one dataplane core
+        # (and variable number of other cores).
+        dp1_kwargs_list = [
+            {u"frame_size": min_frame_size, u"phy_cores": 2},
+            {u"frame_size": min_frame_size, u"phy_cores": 3},
+            {u"frame_size": min_frame_size, u"phy_cores": 4},
+            {u"frame_size": 1518, u"phy_cores": 2},
+            {u"frame_size": 1518, u"phy_cores": 3},
+            {u"frame_size": 1518, u"phy_cores": 4},
+            {u"frame_size": 9000, u"phy_cores": 2},
+            {u"frame_size": 9000, u"phy_cores": 3},
+            {u"frame_size": 9000, u"phy_cores": 4},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 2},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 3},
+            {u"frame_size": u"IMIX_v4_1", u"phy_cores": 4}
+        ]
 
-        if not self.quiet:
-            eprint("Regenerator starts at {cwd}".format(cwd=getcwd()))
-        min_frame_size = protocol_to_min_frame_size[protocol]
-        kwargs_list = tc_kwargs_list if tc_kwargs_list else [
-            {"frame_size": min_frame_size, "phy_cores": 1},
-            {"frame_size": min_frame_size, "phy_cores": 2},
-            {"frame_size": min_frame_size, "phy_cores": 4},
-            {"frame_size": 1518, "phy_cores": 1},
-            {"frame_size": 1518, "phy_cores": 2},
-            {"frame_size": 1518, "phy_cores": 4},
-            {"frame_size": 9000, "phy_cores": 1},
-            {"frame_size": 9000, "phy_cores": 2},
-            {"frame_size": 9000, "phy_cores": 4},
-            {"frame_size": "IMIX_v4_1", "phy_cores": 1},
-            {"frame_size": "IMIX_v4_1", "phy_cores": 2},
-            {"frame_size": "IMIX_v4_1", "phy_cores": 4}
+        http_kwargs_list = [
+            {u"frame_size": 0, u"phy_cores": 1},
+            {u"frame_size": 0, u"phy_cores": 2},
+            {u"frame_size": 64, u"phy_cores": 1},
+            {u"frame_size": 64, u"phy_cores": 2},
+            {u"frame_size": 1024, u"phy_cores": 1},
+            {u"frame_size": 1024, u"phy_cores": 2},
+            {u"frame_size": 2048, u"phy_cores": 1},
+            {u"frame_size": 2048, u"phy_cores": 2}
         ]
+
         for in_filename in glob(pattern):
             if not self.quiet:
-                eprint("Regenerating in_filename:", in_filename)
-            if not in_filename.endswith("ndrpdr.robot"):
-                eprint("Error in {fil}: non-primary suite type encountered."
-                       .format(fil=in_filename))
-                sys.exit(1)
-            iface, _ = get_iface_and_suite_id(in_filename)
-            if not iface.endswith("10ge2p1x710"):
-                eprint("Error in {fil}: non-primary NIC encountered."
-                       .format(fil=in_filename))
-                sys.exit(1)
-            with open(in_filename, "r") as file_in:
-                in_prolog = "".join(
-                    file_in.read().partition("*** Test Cases ***")[:-1])
-            write_files(in_filename, in_prolog, kwargs_list)
+                print(
+                    u"Regenerating in_filename:", in_filename, file=sys.stderr
+                )
+            iface, _, _ = get_iface_and_suite_ids(in_filename)
+            if not iface.endswith(u"10ge2p1x710"):
+                raise RuntimeError(
+                    f"Error in {in_filename}: non-primary NIC found."
+                )
+            for prefix in Constants.FORBIDDEN_SUITE_PREFIX_LIST:
+                if prefix in in_filename:
+                    raise RuntimeError(
+                        f"Error in {in_filename}: non-primary driver found."
+                    )
+            with open(in_filename, u"rt") as file_in:
+                in_prolog = u"".join(
+                    file_in.read().partition(u"*** Test Cases ***")[:-1]
+                )
+            if in_filename.endswith(u"-ndrpdr.robot"):
+                if u"scheduler" in in_filename:
+                    write_default_files(
+                        in_filename, in_prolog, dp1_kwargs_list
+                    )
+                else:
+                    write_default_files(
+                        in_filename, in_prolog, default_kwargs_list
+                    )
+            elif in_filename.endswith(u"-reconf.robot"):
+                write_reconf_files(in_filename, in_prolog, default_kwargs_list)
+            elif in_filename.endswith(u"-rps.robot") \
+                    or in_filename.endswith(u"-cps.robot"):
+                write_tcp_files(in_filename, in_prolog, http_kwargs_list)
+            elif in_filename.endswith(u"-bps.robot"):
+                hoststack_kwargs_list = \
+                    hs_quic_kwargs_list if u"quic" in in_filename \
+                    else hs_bps_kwargs_list
+                write_tcp_files(in_filename, in_prolog, hoststack_kwargs_list)
+            elif in_filename.endswith(u"-iperf3-mrr.robot"):
+                write_iperf3_files(in_filename, in_prolog, iperf3_kwargs_list)
+            else:
+                raise RuntimeError(
+                    f"Error in {in_filename}: non-primary suite type found."
+                )
         if not self.quiet:
-            eprint("Regenerator ends.")
-        eprint()  # To make autogen check output more readable.
+            print(u"Regenerator ends.", file=sys.stderr)
+        print(file=sys.stderr)  # To make autogen check output more readable.