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Introduce telemetry framework

Browse source 
Adds base/frameworks/telemetry with wrappers around telemetry.bif
and updates telemetry/Manager to support collecting metrics from
script land.

Add policy/frameworks/telemetry/log for logging of metrics data
into a new telemetry.log and telemetry_histogram.log and add into
local.zeek by default.
This commit is contained in:
Arne Welzel 2022-06-30 17:01:13 +02:00
parent 95fba8fd29
commit 3fe930dbf2
32 changed files with 1950 additions and 27 deletions
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30
testing/btest/plugins/hooks-plugin/src/Plugin.cc
View file

@ -1,4 +1,3 @@
#include "Plugin.h"
#include <Conn.h>
@ -8,6 +7,7 @@
#include <RunState.h>
#include <threading/Formatter.h>
#include <cstring>
#include <set>
namespace btest::plugin::Demo_Hooks
{
@ -16,6 +16,22 @@ Plugin plugin;
using namespace btest::plugin::Demo_Hooks;
// Sanitize arguments for the following functions with (...). These
// receiving the current version string or parts of it and make the
// baseline non-deterministic.
static std::set<std::string> sanitized_functions = {
"Version::parse",
"gsub",
"split_string1",
"lstrip",
"to_count",
"cat",
"Telemetry::__dbl_gauge_metric_get_or_add",
"Telemetry::gauge_with",
"Telemetry::make_labels",
"Telemetry::gauge_family_set",
};
zeek::plugin::Configuration Plugin::Configure()
{
EnableHook(zeek::plugin::HOOK_LOAD_FILE);
@ -58,11 +74,7 @@ static void describe_hook_args(const zeek::plugin::HookArgumentList& args, zeek:
// For function calls we remove args for unstable arguments
// from parsing the version in `base/misc/version`.
if ( i->GetType() == zeek::plugin::HookArgument::FUNC &&
(::strcmp(d->Description(), "Version::parse") == 0 ||
::strcmp(d->Description(), "gsub") == 0 ||
::strcmp(d->Description(), "split_string1") == 0 ||
::strcmp(d->Description(), "lstrip") == 0 ||
::strcmp(d->Description(), "to_count") == 0) )
sanitized_functions.count(d->Description()) != 0 )
serialize_args = false;
continue;
@ -105,10 +117,8 @@ std::pair<bool, zeek::ValPtr> Plugin::HookFunctionCall(const zeek::Func* func,
// For function calls we remove args for unstable arguments
// from parsing the version in `base/misc/version`.
if ( ::strcmp(d.Description(), "Version::parse") == 0 ||
::strcmp(d.Description(), "gsub") == 0 ||
::strcmp(d.Description(), "split_string1") == 0 ||
::strcmp(d.Description(), "lstrip") == 0 || ::strcmp(d.Description(), "to_count") == 0 )
//
if ( sanitized_functions.count(d.Description()) != 0 )
d.Add("(...)");
else
zeek::plugin::HookArgument(args).Describe(&d);