bootlog: remove timestamp from filename (#31187)

* bootlog: remove timestamp from filename

* revert route

* test

* revert that

* fix loggerd test
old-commit-hash: 25043410705f2a7a275e69ec513c8889465d4ba3

common/params.cc

@@ -95,6 +95,7 @@ std::unordered_map<std::string, uint32_t> keys = {
     {"AthenadPid", PERSISTENT},
     {"AthenadUploadQueue", PERSISTENT},
     {"AthenadRecentlyViewedRoutes", PERSISTENT},
+    {"BootCount", PERSISTENT},
     {"CalibrationParams", PERSISTENT},
     {"CameraDebugExpGain", CLEAR_ON_MANAGER_START},
     {"CameraDebugExpTime", CLEAR_ON_MANAGER_START},

system/loggerd/bootlog.cc

@@ -49,8 +49,8 @@ static kj::Array<capnp::word> build_boot_log() {
 }
 
 int main(int argc, char** argv) {
-  const std::string timestr = logger_get_route_name();
-  const std::string path = Path::log_root() + "/boot/" + timestr;
+  const std::string id = logger_get_identifier("BootCount");
+  const std::string path = Path::log_root() + "/boot/" + id;
   LOGW("bootlog to %s", path.c_str());
 
   // Open bootlog
@@ -64,7 +64,7 @@ int main(int argc, char** argv) {
   file.write(build_boot_log().asBytes());
 
   // Write out bootlog param to match routes with bootlog
-  Params().put("CurrentBootlog", timestr.c_str());
+  Params().put("CurrentBootlog", id.c_str());
 
   return 0;
 }

system/loggerd/logger.cc

@@ -3,6 +3,9 @@
 #include <fstream>
 #include <map>
 #include <vector>
+#include <iostream>
+#include <sstream>
+#include <random>
 
 #include "common/params.h"
 #include "common/swaglog.h"
@@ -94,6 +97,30 @@ std::string logger_get_route_name() {
   return route_name;
 }
 
+std::string logger_get_identifier(std::string key) {
+  // a log identifier is a 32 bit counter, plus a 10 character unique ID.
+  // e.g. 000001a3--c20ba54385
+
+  Params params;
+  uint32_t cnt;
+  try {
+    cnt = std::stol(params.get(key));
+  } catch (std::exception &e) {
+    cnt = 0;
+  }
+  params.put(key, std::to_string(cnt + 1));
+
+  std::stringstream ss;
+  std::random_device rd;
+  std::mt19937 mt(rd());
+  std::uniform_int_distribution<int> dist(0, 15);
+  for (int i = 0; i < 10; ++i) {
+    ss << std::hex << dist(mt);
+  }
+
+  return util::string_format("%08x--%s", cnt, ss.str().c_str());
+}
+
 static void log_sentinel(LoggerState *log, SentinelType type, int eixt_signal = 0) {
   MessageBuilder msg;
   auto sen = msg.initEvent().initSentinel();

system/loggerd/logger.h

@@ -53,3 +53,4 @@ protected:
 
 kj::Array<capnp::word> logger_build_init_data();
 std::string logger_get_route_name();
+std::string logger_get_identifier(std::string key);

system/loggerd/tests/test_loggerd.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 import numpy as np
 import os
+import re
 import random
 import string
 import subprocess
@@ -21,6 +22,7 @@ from openpilot.system.loggerd.xattr_cache import getxattr
 from openpilot.system.loggerd.deleter import PRESERVE_ATTR_NAME, PRESERVE_ATTR_VALUE
 from openpilot.selfdrive.manager.process_config import managed_processes
 from openpilot.system.version import get_version
+from openpilot.tools.lib.helpers import RE
 from openpilot.tools.lib.logreader import LogReader
 from cereal.visionipc import VisionIpcServer, VisionStreamType
 from openpilot.common.transformations.camera import tici_f_frame_size, tici_d_frame_size, tici_e_frame_size
@@ -109,7 +111,6 @@ class TestLoggerd:
       ("GitRemote", "gitRemote", "remote"),
     ]
     params = Params()
-    params.clear_all()
     for k, _, v in fake_params:
       params.put(k, v)
     params.put("AccessToken", "abc")
@@ -129,15 +130,13 @@ class TestLoggerd:
 
     # check params
     logged_params = {entry.key: entry.value for entry in initData.params.entries}
-    expected_params = {k for k, _, __ in fake_params} | {'AccessToken'}
+    expected_params = {k for k, _, __ in fake_params} | {'AccessToken', 'BootCount'}
     assert set(logged_params.keys()) == expected_params, set(logged_params.keys()) ^ expected_params
     assert logged_params['AccessToken'] == b'', f"DONT_LOG param value was logged: {repr(logged_params['AccessToken'])}"
     for param_key, initData_key, v in fake_params:
       assert getattr(initData, initData_key) == v
       assert logged_params[param_key].decode() == v
 
-    params.put("AccessToken", "")
-
   @flaky(max_runs=3)
   def test_rotation(self):
     os.environ["LOGGERD_TEST"] = "1"
@@ -216,6 +215,12 @@ class TestLoggerd:
         bootlog_val = [e.value for e in boot.pstore.entries if e.key == fn][0]
         assert expected_val == bootlog_val
 
+    # next one should increment by one
+    bl1 = re.match(RE.LOG_ID_V2, bootlog_path.name)
+    bl2 = re.match(RE.LOG_ID_V2, self._gen_bootlog().name)
+    assert bl1.group('uid') != bl2.group('uid')
+    assert int(bl1.group('count')) == 0 and int(bl2.group('count')) == 1
+
   def test_qlog(self):
     qlog_services = [s for s in CEREAL_SERVICES if SERVICE_LIST[s].decimation is not None]
     no_qlog_services = [s for s in CEREAL_SERVICES if SERVICE_LIST[s].decimation is None]

tools/lib/bootlog.py

@@ -1,11 +1,10 @@
-import datetime
 import functools
 import re
 from typing import List, Optional
 
 from openpilot.tools.lib.auth_config import get_token
 from openpilot.tools.lib.api import CommaApi
-from openpilot.tools.lib.helpers import RE, timestamp_to_datetime
+from openpilot.tools.lib.helpers import RE
 
 
 @functools.total_ordering
@@ -17,8 +16,8 @@ class Bootlog:
     if not r:
       raise Exception(f"Unable to parse: {url}")
 
+    self._id = r.group('log_id')
     self._dongle_id = r.group('dongle_id')
-    self._timestamp = r.group('timestamp')
 
   @property
   def url(self) -> str:
@@ -29,25 +28,21 @@ class Bootlog:
     return self._dongle_id
 
   @property
-  def timestamp(self) -> str:
-    return self._timestamp
-
-  @property
-  def datetime(self) -> datetime.datetime:
-    return timestamp_to_datetime(self._timestamp)
+  def id(self) -> str:
+    return self._id
 
   def __str__(self):
-    return f"{self._dongle_id}|{self._timestamp}"
+    return f"{self._dongle_id}/{self._id}"
 
   def __eq__(self, b) -> bool:
     if not isinstance(b, Bootlog):
       return False
-    return self.datetime == b.datetime
+    return self.id == b.id
 
   def __lt__(self, b) -> bool:
     if not isinstance(b, Bootlog):
       return False
-    return self.datetime < b.datetime
+    return self.id < b.id
 
 def get_bootlog_from_id(bootlog_id: str) -> Optional[Bootlog]:
   # TODO: implement an API endpoint for this

tools/lib/helpers.py

@@ -7,7 +7,8 @@ TIME_FMT = "%Y-%m-%d--%H-%M-%S"
 class RE:
   DONGLE_ID =  r'(?P<dongle_id>[a-z0-9]{16})'
   TIMESTAMP = r'(?P<timestamp>[0-9]{4}-[0-9]{2}-[0-9]{2}--[0-9]{2}-[0-9]{2}-[0-9]{2})'
-  LOG_ID = r"(?P<log_id>{})".format(TIMESTAMP)
+  LOG_ID_V2 = r'(?P<count>[a-z0-9]{8})--(?P<uid>[a-z0-9]{10})'
+  LOG_ID = r'(?P<log_id>(?:{}|{}))'.format(TIMESTAMP, LOG_ID_V2)
   ROUTE_NAME = r'(?P<route_name>{}[|_/]{})'.format(DONGLE_ID, LOG_ID)
   SEGMENT_NAME = r'{}(?:--|/)(?P<segment_num>[0-9]+)'.format(ROUTE_NAME)