def metric_values(): # generator of a stream of float values, to be consumed by the stats functions
for entity, container_file, metric, metric_value in stream_of_entity_with_metric(entities, local_metric,
verbose, skipLibraries,
regex_str_ignore_item,
regex_str_traverse_files,
regex_ignore_files,
skip_zeroes=skip_zeroes):
yield metric_value
def metric_values(): # generator of a stream of float values, to be consumed by the stats functions
for entity, container_file, metric, metric_value in stream_of_entity_with_metric(entities, local_metric,
verbose, skipLibraries,
regex_str_ignore_item,
regex_str_traverse_files,
regex_ignore_files,
skip_zeroes=skip_zeroes):
yield metric_value
def process_generic_metrics(db, cmdline_arguments, jsonCmdLineParam,
entityQuery, lambda_to_print,
regex_str_ignore_item, scope_name):
regex_str_traverse_files = cmdline_arguments.get("--regexTraverseFiles",
"*")
regex_ignore_files = cmdline_arguments.get("--regexIgnoreFiles", None)
max_metrics_json = cmdline_arguments[jsonCmdLineParam]
max_values_allowed_by_metric = {}
violation_count = 0
entities = db.ents(entityQuery)
skipLibraries = cmdline_arguments["--skipLibs"] == "true"
skip_zeroes = cmdline_arguments.get("--skipZeroes", False)
verbose = cmdline_arguments["--verbose"]
save_histograms = cmdline_arguments["--histograms"]
try:
max_values_allowed_by_metric = load_metrics_thresholds(
max_metrics_json)
except Exception as ex:
print("SEVERE WARNING loading json: %s" % ex)
max_values_allowed_by_metric = {}
if not isinstance(max_values_allowed_by_metric, dict):
max_values_allowed_by_metric = {}
if len(max_values_allowed_by_metric) == 0: # No metrics passed in
print("*** EMPTY Metrics. JSON error? (%s)" % max_metrics_json)
return [0, {}]
highest_values_found_by_metric = {}
last_processed_metric = "" # fix for #21, to reuse values
last_all_values = [] # fix for #21, to reuse values
last_max_value_found = -1
stats_cache = {} # fix for #22 - use cached value for stats
sorted_metrics = sorted(max_values_allowed_by_metric.keys(),
key=metric_name_for_sorting)
for metric in sorted_metrics:
max_allowed_value = max_values_allowed_by_metric[metric]
all_values = [
] # we may need to collect all values, if we are going to save a histogram
lambda_stats = None
if metric.count(':') == 1: #fix for #42 - can have only 1 :
lambda_name, adjusted_metric = metric.split(":")
lambda_stats = STATS_LAMBDAS.get(lambda_name.upper().strip(), None)
if lambda_stats is None: # regular, not stats
max_value_found = -1
entity_with_max_value_found = None
has_stats_counterpart = (":%s" % metric) in "".join(sorted_metrics)
for entity, container_file, metric, metric_value in stream_of_entity_with_metric(
entities,
metric,
verbose,
skipLibraries,
regex_str_ignore_item,
regex_str_traverse_files,
regex_ignore_files,
skip_zeroes=skip_zeroes):
if save_histograms or has_stats_counterpart: # fix for #22 - cache values for stats
all_values.append(metric_value)
if metric_value > highest_values_found_by_metric.get(
metric, -1): # even a zero we want to tag as a max
highest_values_found_by_metric[metric] = metric_value
max_allowed = max_values_allowed_by_metric[metric]
if metric_value > max_allowed: # we found a violation
violation_count = violation_count + 1
lambda_to_print(entity,
metric,
metric_value,
container_file=container_file)
if metric_value > max_value_found: # max found, which could be a violator or not
max_value_found = metric_value
entity_with_max_value_found = entity
if entity_with_max_value_found is not None:
if bool(cmdline_arguments["--showHighest"]):
print("...........................................")
kind = "violator"
if max_value_found <= max_allowed_value:
kind = "non violator"
print(
"INFO: HIGHEST %s %s found (violation threshold is %s):\t"
% (metric, kind, max_allowed_value),
end="")
lambda_to_print(
entity_with_max_value_found,
metric,
max_value_found,
container_file=container_file
) # prints the max found, which may be a violator or not
print("...........................................")
last_processed_metric = metric # fix for #21, to reuse values
last_all_values = all_values # fix for #21, to reuse values
last_max_value_found = max_value_found
else: # stats, compute on the whole population
def metric_values(
): # generator of a stream of float values, to be consumed by the stats functions
for entity, container_file, metric, metric_value in stream_of_entity_with_metric(
entities,
adjusted_metric,
verbose,
skipLibraries,
regex_str_ignore_item,
regex_str_traverse_files,
regex_ignore_files,
skip_zeroes=skip_zeroes):
yield metric_value
if adjusted_metric == last_processed_metric: # fix for #21 - reuses values, thanks to sorting we know teh pure metric must have come just before
all_values = last_all_values
max_value_found = last_max_value_found
else:
all_values = [value for value in metric_values()]
if save_histograms:
max_value_found = max(
all_values) if len(all_values) > 0 else 0
last_max_value_found = max_value_found # fix for #21, same as above
last_processed_metric = adjusted_metric # fix for 21. in case only stats functions are used, not the pure one.
last_all_values = all_values # fix for #21, same as above
stats_value = stats_cache.get(adjusted_metric, {}).get(
lambda_name, None) # fix for #22 - used cached value for stats
if stats_value is None:
try:
stats_value = lambda_stats(all_values)
except statistics.StatisticsError as se:
print("ERROR in %s: %s" % (metric, se))
continue
highest_values_found_by_metric[metric] = stats_value
if stats_value > max_allowed_value: # we found a violation
violation_count = violation_count + 1
lambda_to_print(DummyEntity(), metric, stats_value)
else:
if bool(cmdline_arguments["--showHighest"]):
print("...........................................")
print("INFO(STATS): %s = %s (violation threshold is %s):" %
(metric, stats_value, max_allowed_value))
print("...........................................")
if save_histograms and len(all_values) > 0 and lambda_stats is None:
file_name, mean, median, pstdev = save_histogram(
bool(cmdline_arguments["--showMeanMedian"]),
bool(cmdline_arguments["--logarithmic"]),
os.path.split(db.name())[-1], max_value_found, metric,
all_values, scope_name)
if mean is not None:
stats_cache[metric] = {
"AVG": mean,
"MEDIAN": median,
"STDEV": pstdev
} # fix for #22 - used cached value for stats
if verbose:
print("Saved %s" % file_name)
return [
violation_count, highest_values_found_by_metric,
max_values_allowed_by_metric
]
def process_generic_metrics (db, cmdline_arguments, jsonCmdLineParam, entityQuery, lambda_to_print, regex_str_ignore_item, scope_name):
regex_str_traverse_files = cmdline_arguments.get("--regexTraverseFiles", "*")
regex_ignore_files = cmdline_arguments.get("--regexIgnoreFiles", None)
max_metrics_json = cmdline_arguments[jsonCmdLineParam]
max_values_allowed_by_metric = {}
violation_count = 0
entities = db.ents(entityQuery)
skipLibraries = cmdline_arguments["--skipLibs"] == "true"
skip_zeroes = cmdline_arguments.get("--skipZeroes", False)
verbose = cmdline_arguments["--verbose"]
save_histograms = cmdline_arguments["--histograms"]
try:
max_values_allowed_by_metric = load_metrics_thresholds(max_metrics_json)
except Exception as ex:
print("SEVERE WARNING loading json: %s" % ex)
max_values_allowed_by_metric = {}
if not isinstance(max_values_allowed_by_metric, dict):
max_values_allowed_by_metric = {}
if len(max_values_allowed_by_metric) == 0: # No metrics passed in
print ("*** EMPTY Metrics. JSON error? (%s)" % max_metrics_json)
return [0, {}, {}]
highest_values_found_by_metric = {}
last_processed_metric = "" # fix for #21, to reuse values
last_all_values = [] # fix for #21, to reuse values
last_max_value_found = -1
stats_cache = {} # fix for #22 - use cached value for stats
sorted_metrics = sorted(max_values_allowed_by_metric.keys(), key=metric_name_for_sorting)
for metric in sorted_metrics:
max_allowed_value = max_values_allowed_by_metric[metric]
all_values = [] # we may need to collect all values, if we are going to save a histogram
lambda_stats = None
if metric.count(':') == 1: #fix for #42 - can have only 1 :
lambda_name, adjusted_metric = metric.split(":")
lambda_stats = STATS_LAMBDAS.get(lambda_name.upper().strip(), None)
if lambda_stats is None: # regular, not stats
max_value_found = -1
entity_with_max_value_found = None
has_stats_counterpart = (":%s" % metric) in "".join(sorted_metrics)
for entity, container_file, metric, metric_value in stream_of_entity_with_metric(entities, metric, verbose, skipLibraries, regex_str_ignore_item, regex_str_traverse_files, regex_ignore_files, skip_zeroes=skip_zeroes):
if save_histograms or has_stats_counterpart: # fix for #22 - cache values for stats
all_values.append(metric_value)
if metric_value > highest_values_found_by_metric.get(metric, -1): # even a zero we want to tag as a max
highest_values_found_by_metric[metric] = metric_value
max_allowed = max_values_allowed_by_metric[metric]
if metric_value > max_allowed: # we found a violation
violation_count = violation_count + 1
lambda_to_print(entity, metric, metric_value, container_file=container_file)
if metric_value > max_value_found: # max found, which could be a violator or not
max_value_found = metric_value
entity_with_max_value_found = entity
if entity_with_max_value_found is not None:
if bool(cmdline_arguments["--showHighest"]):
print("...........................................")
kind = "violator"
if max_value_found <= max_allowed_value:
kind = "non violator"
print("INFO: HIGHEST %s %s found (violation threshold is %s):\t" % (metric, kind, max_allowed_value), end="")
lambda_to_print(entity_with_max_value_found, metric, max_value_found, container_file=container_file) # prints the max found, which may be a violator or not
print("...........................................")
last_processed_metric = metric # fix for #21, to reuse values
last_all_values = all_values # fix for #21, to reuse values
last_max_value_found = max_value_found
else: # stats, compute on the whole population
def metric_values(): # generator of a stream of float values, to be consumed by the stats functions
for entity, container_file, metric, metric_value in stream_of_entity_with_metric(entities, adjusted_metric,
verbose, skipLibraries,
regex_str_ignore_item,
regex_str_traverse_files,
regex_ignore_files,
skip_zeroes=skip_zeroes):
yield metric_value
if adjusted_metric == last_processed_metric: # fix for #21 - reuses values, thanks to sorting we know teh pure metric must have come just before
all_values = last_all_values
max_value_found = last_max_value_found
else:
all_values = [value for value in metric_values()]
if save_histograms:
max_value_found = max(all_values) if len(all_values) > 0 else 0
last_max_value_found = max_value_found # fix for #21, same as above
last_processed_metric = adjusted_metric # fix for 21. in case only stats functions are used, not the pure one.
last_all_values = all_values # fix for #21, same as above
stats_value = stats_cache.get(adjusted_metric, {}).get(lambda_name, None) # fix for #22 - used cached value for stats
if stats_value is None:
try:
stats_value = lambda_stats(all_values)
except statistics.StatisticsError as se:
print ("ERROR in %s: %s" % (metric, se))
continue
highest_values_found_by_metric[metric] = stats_value
if stats_value > max_allowed_value: # we found a violation
violation_count = violation_count + 1
lambda_to_print(DummyEntity(), metric, stats_value)
else:
if bool(cmdline_arguments["--showHighest"]):
print("...........................................")
print("INFO(STATS): %s = %s (violation threshold is %s):" % (metric, stats_value, max_allowed_value))
print("...........................................")
if save_histograms and len(all_values) > 0 and lambda_stats is None:
output_dir = cmdline_arguments["--outputDir"]
file_prefix = "%s%s%s" % (output_dir, os.sep, os.path.split(db.name())[-1])
file_name, mean, median, pstdev = save_histogram(bool(cmdline_arguments["--showMeanMedian"]),
bool(cmdline_arguments["--logarithmic"]),
file_prefix,
max_value_found,
metric,
all_values,
scope_name)
if mean is not None:
stats_cache[metric] = {"AVG": mean, "MEDIAN": median, "STDEV": pstdev} # fix for #22 - used cached value for stats
if verbose:
print("Saved %s" % file_name)
return [violation_count, highest_values_found_by_metric, max_values_allowed_by_metric]