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+# 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:
+#
+# 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.
+
+"""Module facilitating conversion from raw outputs into info outputs."""
+
+import copy
+import json
+import os
+
+import dateutil.parser
+
+from resources.libraries.python.Constants import Constants
+from resources.libraries.python.jumpavg.AvgStdevStats import AvgStdevStats
+
+
+def _raw_to_info_path(raw_path):
+ """Compute path for info output corresponding to given raw output.
+
+ :param raw_path: Local filesystem path to read raw JSON data from.
+ :type raw_path: str
+ :returns: Local filesystem path to write info JSON content to.
+ :rtype: str
+ :raises RuntimeError: If the input path does not meet all expectations.
+ """
+ raw_extension = u".raw.json"
+ tmp_parts = raw_path.split(raw_extension)
+ if len(tmp_parts) != 2 or tmp_parts[1] != u"":
+ raise RuntimeError(f"Not good extension {raw_extension}: {raw_path}")
+ info_path = tmp_parts[0] + u".info.json"
+ return info_path
+
+
+def _process_test_name(data):
+ """Replace raw test name with short and long test name and set test_type.
+
+ Perform in-place edits on the data dictionary.
+ Remove raw suite_name and test_name, they are not part of info schema.
+ Return early if the data is not for test case.
+ Inserttest ID and long and short test name into the data.
+ Besides suite_name and test_name, also test tags are read.
+
+ Short test name is basically a suite tag, but with NIC driver prefix,
+ if the NIC driver used is not the default one (drv_vfio_pci for VPP tests).
+
+ Long test name has the following form:
+ {nic_short_name}-{frame_size}-{threads_and_cores}-{suite_part}
+ Lookup in test tags is needed to get the threads value.
+ The threads_and_cores part may be empty, e.g. for TRex tests.
+
+ Test ID has form {suite_name}.{test_name} where the two names come from
+ Robot variables, converted to lower case and spaces replaces by undescores.
+
+ Test type is set in an internal function.
+
+ :param data: Raw data, perhaps some fields converted into info data already.
+ :type data: dict
+ :raises RuntimeError: If the raw data does not contain expected values.
+ """
+ suite_part = data.pop(u"suite_name").lower().replace(u" ", u"_")
+ if u"test_name" not in data:
+ # There will be no test_id, provide suite_id instead.
+ data[u"suite_id"] = suite_part
+ return
+ test_part = data.pop(u"test_name").lower().replace(u" ", u"_")
+ data[u"test_id"] = f"{suite_part}.{test_part}"
+ tags = data[u"tags"]
+ # Test name does not contain thread count.
+ subparts = test_part.split(u"c-", 1)
+ if len(subparts) < 2 or subparts[0][-2:-1] != u"-":
+ # Physical core count not detected, assume it is a TRex test.
+ if u"--" not in test_part:
+ raise RuntimeError(f"Cores not found for {subparts}")
+ short_name = test_part.split(u"--", 1)[1]
+ else:
+ short_name = subparts[1]
+ # Add threads to test_part.
+ core_part = subparts[0][-1] + u"c"
+ for tag in tags:
+ tag = tag.lower()
+ if len(tag) == 4 and core_part == tag[2:] and tag[1] == u"t":
+ test_part = test_part.replace(f"-{core_part}-", f"-{tag}-")
+ break
+ else:
+ raise RuntimeError(f"Threads not found for {test_part} tags {tags}")
+ # For long name we need NIC model, which is only in suite name.
+ last_suite_part = suite_part.split(u".")[-1]
+ # Short name happens to be the suffix we want to ignore.
+ prefix_part = last_suite_part.split(short_name)[0]
+ # Also remove the trailing dash.
+ prefix_part = prefix_part[:-1]
+ # Throw away possible link prefix such as "1n1l-".
+ nic_code = prefix_part.split(u"-", 1)[-1]
+ nic_short = Constants.NIC_CODE_TO_SHORT_NAME[nic_code]
+ long_name = f"{nic_short}-{test_part}"
+ # Set test type.
+ test_type = _detect_test_type(data)
+ data[u"test_type"] = test_type
+ # Remove trailing test type from names (if present).
+ short_name = short_name.split(f"-{test_type}")[0]
+ long_name = long_name.split(f"-{test_type}")[0]
+ # Store names.
+ data[u"test_name_short"] = short_name
+ data[u"test_name_long"] = long_name
+
+
+def _detect_test_type(data):
+ """Return test_type, as inferred from robot test tags.
+
+ :param data: Raw data, perhaps some fields converted into info data already.
+ :type data: dict
+ :returns: The inferred test type value.
+ :rtype: str
+ :raises RuntimeError: If the test tags does not contain expected values.
+ """
+ tags = data[u"tags"]
+ # First 5 options are specific for VPP tests.
+ if u"DEVICETEST" in tags:
+ test_type = u"device"
+ elif u"LDP_NGINX" in tags:
+ test_type = u"vsap"
+ elif u"HOSTSTACK" in tags:
+ test_type = u"hoststack"
+ elif u"GSO_TRUE" in tags or u"GSO_FALSE" in tags:
+ test_type = u"gso"
+ elif u"RECONF" in tags:
+ test_type = u"reconf"
+ # The remaining 3 options could also apply to DPDK and TRex tests.
+ elif u"SOAK" in tags:
+ test_type = u"soak"
+ elif u"NDRPDR" in tags:
+ test_type = u"ndrpdr"
+ elif u"MRR" in tags:
+ test_type = u"mrr"
+ else:
+ raise RuntimeError(f"Unable to infer test type from tags: {tags}")
+ return test_type
+
+
+def _convert_to_info_in_memory(data):
+ """Perform all changes needed for processing of data, return new data.
+
+ Data is assumed to be valid for raw schema, so no exceptions are expected.
+ The original argument object is not edited,
+ a new copy is created for edits and returned,
+ because there is no easy way to sort keys in-place.
+
+ :param data: The whole composite object to filter and enhance.
+ :type data: dict
+ :returns: New object with the edited content.
+ :rtype: dict
+ """
+ data = copy.deepcopy(data)
+
+ # Drop any SSH log items.
+ data[u"log"] = list()
+
+ # Duration is computed for every file.
+ start_float = dateutil.parser.parse(data[u"start_time"]).timestamp()
+ end_float = dateutil.parser.parse(data[u"end_time"]).timestamp()
+ data[u"duration"] = end_float - start_float
+
+ # Reorder impotant fields to the top.
+ sorted_data = dict(version=data.pop(u"version"))
+ sorted_data[u"duration"] = data.pop(u"duration")
+ sorted_data[u"start_time"] = data.pop(u"start_time")
+ sorted_data[u"end_time"] = data.pop(u"end_time")
+ sorted_data.update(data)
+ data = sorted_data
+ # TODO: Do we care about the order of subsequently added fields?
+
+ # Convert status into a boolean.
+ status = data.pop(u"status", None)
+ if status is not None:
+ data[u"passed"] = (status == u"PASS")
+ if data[u"passed"]:
+ # Also truncate success test messages.
+ data[u"message"] = u""
+
+ # Replace raw names with processed ones, set test_id and test_type.
+ _process_test_name(data)
+
+ # The rest is only relevant for test case outputs.
+ if u"result" not in data:
+ return data
+ result_node = data[u"result"]
+ result_type = result_node[u"type"]
+ if result_type == u"unknown":
+ # Device or something else not supported.
+ return data
+
+ # More processing depending on result type. TODO: Separate functions?
+
+ # Compute avg and stdev for mrr.
+ if result_type == u"mrr":
+ rate_node = result_node[u"receive_rate"][u"rate"]
+ stats = AvgStdevStats.for_runs(rate_node[u"values"])
+ rate_node[u"avg"] = stats.avg
+ rate_node[u"stdev"] = stats.stdev
+
+ # Multiple processing steps for ndrpdr.
+ if result_type != u"ndrpdr":
+ return data
+ # Filter out invalid latencies.
+ for which_key in (u"latency_forward", u"latency_reverse"):
+ if which_key not in result_node:
+ # Probably just an unidir test.
+ continue
+ for load in (u"pdr_0", u"pdr_10", u"pdr_50", u"pdr_90"):
+ if result_node[which_key][load][u"max"] <= 0:
+ # One invalid number is enough to remove all loads.
+ break
+ else:
+ # No break means all numbers are ok, nothing to do here.
+ continue
+ # Break happened, something is invalid, remove all loads.
+ result_node.pop(which_key)
+
+ return data
+
+
+def _merge_into_suite_info_file(teardown_info_path):
+ """Move setup and teardown data into a singe file, remove old files.
+
+ The caller has to confirm the argument is correct, e.g. ending in
+ "/teardown.info.json".
+
+ :param teardown_info_path: Local filesystem path to teardown info file.
+ :type teardown_info_path: str
+ :returns: Local filesystem path to newly created suite info file.
+ :rtype: str
+ """
+ # Manual right replace: https://stackoverflow.com/a/9943875
+ setup_info_path = u"setup".join(teardown_info_path.rsplit(u"teardown", 1))
+ with open(teardown_info_path, u"rt", encoding="utf-8") as file_in:
+ teardown_data = json.load(file_in)
+ # Transforming setup data into suite data.
+ with open(setup_info_path, u"rt", encoding="utf-8") as file_in:
+ suite_data = json.load(file_in)
+
+ end_time = teardown_data[u"end_time"]
+ suite_data[u"end_time"] = end_time
+ start_float = dateutil.parser.parse(suite_data[u"start_time"]).timestamp()
+ end_float = dateutil.parser.parse(suite_data[u"end_time"]).timestamp()
+ suite_data[u"duration"] = end_float - start_float
+ setup_log = suite_data.pop(u"log")
+ suite_data[u"setup_log"] = setup_log
+ suite_data[u"teardown_log"] = teardown_data[u"log"]
+
+ suite_info_path = u"suite".join(teardown_info_path.rsplit(u"teardown", 1))
+ with open(suite_info_path, u"xt", encoding="utf-8") as file_out:
+ json.dump(suite_data, file_out, indent=1)
+ # We moved everything useful from temporary setup/teardown info files.
+ os.remove(setup_info_path)
+ os.remove(teardown_info_path)
+
+ return suite_info_path
+
+
+def convert_content_to_info(from_raw_path):
+ """Read raw output, perform filtering, add derivatves, write info output.
+
+ Directory path is created if missing.
+
+ When processing teardown, create also suite output using setup info.
+
+ :param from_raw_path: Local filesystem path to read raw JSON data from.
+ :type from_raw_path: str
+ :returns: Local filesystem path to written info JSON file.
+ :rtype: str
+ :raises RuntimeError: If path or content do not match expectations.
+ """
+ to_info_path = _raw_to_info_path(from_raw_path)
+ with open(from_raw_path, u"rt", encoding="utf-8") as file_in:
+ data = json.load(file_in)
+
+ data = _convert_to_info_in_memory(data)
+
+ with open(to_info_path, u"xt", encoding="utf-8") as file_out:
+ json.dump(data, file_out, indent=1)
+ if to_info_path.endswith(u"/teardown.info.json"):
+ to_info_path = _merge_into_suite_info_file(to_info_path)
+ # TODO: Return both paths for validation?
+
+ return to_info_path