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| 1 #!/bin/sh | |
| 2 | |
| 3 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | |
| 4 # Use of this source code is governed by a BSD-style license that can be | |
| 5 # found in the LICENSE file. | |
| 6 | |
| 7 set -e | |
| 8 | |
| 9 # Product ID in crash report | |
| 10 CHROMEOS_PRODUCT=ChromeOS | |
| 11 | |
| 12 # Send up to 8 crashes per day. | |
| 13 MAX_CRASH_RATE=8 | |
| 14 | |
| 15 # Minidump uploading tool (provided by Google Breakpad). | |
| 16 MINIDUMP_UPLOADER=/usr/bin/minidump_upload | |
| 17 | |
| 18 # URL to send non-official build crashes to. | |
| 19 MINIDUMP_UPLOAD_STAGING_URL="http://clients2.google.com/cr/staging_report" | |
| 20 | |
| 21 # URL to send official build crashes to. | |
| 22 MINIDUMP_UPLOAD_PROD_URL="http://clients2.google.com/cr/report" | |
| 23 | |
| 24 # File whose existence mocks crash sending. If empty we pretend the | |
| 25 # crash sending was successful, otherwise unsuccessful. | |
| 26 MOCK_CRASH_SENDING="/tmp/mock-crash-sending" | |
| 27 | |
| 28 # File whose existence causes crash sending to be delayed (for testing). | |
| 29 PAUSE_CRASH_SENDING="/tmp/pause-crash-sending" | |
| 30 | |
| 31 # File whose existence implies we're running and not to start again. | |
| 32 RUN_FILE="/var/run/crash_sender.pid" | |
| 33 | |
| 34 # Maximum time to sleep between sends. | |
| 35 SECONDS_SEND_SPREAD=600 | |
| 36 | |
| 37 # The syslog tag for all logging we emit. | |
| 38 TAG="$(basename $0)[$$]" | |
| 39 | |
| 40 # Directory to store timestamp files indicating the uploads in the past 24 | |
| 41 # hours. | |
| 42 TIMESTAMPS_DIR="/var/lib/crash_sender" | |
| 43 | |
| 44 lecho() { | |
| 45 logger -t "${TAG}" "$@" | |
| 46 } | |
| 47 | |
| 48 remove_run_file() { | |
| 49 rm -f "${RUN_FILE}" | |
| 50 } | |
| 51 | |
| 52 check_not_already_running() { | |
| 53 if [ ! -f "${RUN_FILE}" ]; then | |
| 54 return | |
| 55 fi | |
| 56 local last_pid=$(cat "${RUN_FILE}") | |
| 57 if [ ! -f "/proc/${last_pid}/cmdline" ]; then | |
| 58 trap remove_run_file EXIT | |
| 59 echo $$ > "${RUN_FILE}" | |
| 60 return | |
| 61 fi | |
| 62 # This could just be an unrelated process, but it's ok to be conservative. | |
| 63 lecho "Already running. Exiting now." | |
| 64 exit 1 | |
| 65 } | |
| 66 | |
| 67 get_version() { | |
| 68 grep ^CHROMEOS_RELEASE_VERSION /etc/lsb-release | cut -d = -f 2- | |
| 69 } | |
| 70 | |
| 71 is_official() { | |
| 72 grep ^CHROMEOS_RELEASE_DESCRIPTION /etc/lsb-release | cut -d = -f 2- | \ | |
| 73 grep Official | |
| 74 } | |
| 75 | |
| 76 # Generate a uniform random number in 0..max-1. | |
| 77 generate_uniform_random() { | |
| 78 local max=$1 | |
| 79 local random="$(od -An -N4 -tu /dev/urandom)" | |
| 80 echo $((random % max)) | |
| 81 } | |
| 82 | |
| 83 is_feedback_disabled() { | |
| 84 # See crosbug.com/3303. | |
| 85 return 1 | |
| 86 } | |
| 87 | |
| 88 is_on_3g() { | |
| 89 # See crosbug.com/3304. | |
| 90 return 1 | |
| 91 } | |
| 92 | |
| 93 # Check if sending a crash now does not exceed the maximum 24hr rate and | |
| 94 # commit to doing so, if not. | |
| 95 check_rate() { | |
| 96 mkdir -p ${TIMESTAMPS_DIR} | |
| 97 # Only consider minidumps written in the past 24 hours by removing all older. | |
| 98 find "${TIMESTAMPS_DIR}" -mindepth 1 -mmin +$((24 * 60)) -exec rm '{}' ';' | |
| 99 local sends_in_24hrs=$(echo "${TIMESTAMPS_DIR}"/* | wc -w) | |
| 100 lecho "Current send rate: ${sends_in_24hrs}sends/24hrs" | |
| 101 if [ ${sends_in_24hrs} -ge ${MAX_CRASH_RATE} ]; then | |
| 102 lecho "Cannot send more crashes:" | |
| 103 lecho " current ${sends_in_24hrs}send/24hrs >= " \ | |
| 104 "max ${MAX_CRASH_RATE}send/24hrs" | |
| 105 return 1 | |
| 106 fi | |
| 107 mktemp "${TIMESTAMPS_DIR}"/XXXX > /dev/null | |
| 108 return 0 | |
| 109 } | |
| 110 | |
| 111 send_crash() { | |
| 112 local sleep_time=$(generate_uniform_random $SECONDS_SEND_SPREAD) | |
| 113 local url="${MINIDUMP_UPLOAD_STAGING_URL}" | |
| 114 if is_official; then | |
| 115 url="${MINIDUMP_UPLOAD_PROD_URL}" | |
| 116 fi | |
| 117 lecho "Sending crash:" | |
| 118 lecho " Scheduled to send in ${sleep_time}s" | |
| 119 lecho " Minidump: ${minidump_path}" | |
| 120 lecho " URL: ${url}" | |
| 121 lecho " Product: ${CHROMEOS_PRODUCT}" | |
| 122 lecho " Version: ${chromeos_version}" | |
| 123 if [ -s "${minidump_path}" ]; then | |
| 124 # We cannot tell much from the minidump without symbols, but we can tell | |
| 125 # at least what modules were loaded at the time of crash | |
| 126 local modules="$(/usr/bin/minidump_dump "${minidump_path}" 2>&- | \ | |
| 127 grep 'code_file' | sed -e 's/^.* = "//g;s/"//g' | \ | |
| 128 tr '\n' ' ')" | |
| 129 lecho " Mapped: ${modules}" | |
| 130 fi | |
| 131 if [ -f "${MOCK_CRASH_SENDING}" ]; then | |
| 132 local mock_in=$(cat "${MOCK_CRASH_SENDING}") | |
| 133 if [ "${mock_in}" = "" ]; then | |
| 134 lecho "Mocking successful send" | |
| 135 return 0 | |
| 136 else | |
| 137 lecho "Mocking unsuccessful send" | |
| 138 return 1 | |
| 139 fi | |
| 140 fi | |
| 141 | |
| 142 if ! sleep ${sleep_time}; then | |
| 143 lecho "Sleep failed" | |
| 144 return 1 | |
| 145 fi | |
| 146 | |
| 147 "${MINIDUMP_UPLOADER}" -p "${CHROMEOS_PRODUCT}" \ | |
| 148 -v "${chromeos_version}" "${minidump_path}" "${url}" | |
| 149 return $? | |
| 150 } | |
| 151 | |
| 152 # Send all crashes from the given directory. The directory is currently | |
| 153 # expected to just contain a bunch of minidumps - but this will change | |
| 154 # over time to be a directory of directories where the minidump and core | |
| 155 # file are in the directory as well as other metadata about the context | |
| 156 # of the crash (executable name for instance). | |
| 157 send_crashes() { | |
| 158 local dir="$1" | |
| 159 lecho "Considering crashes in ${dir}" | |
| 160 # Cycle through minidumps, most recent first. That way if we're about | |
| 161 # to exceed the daily rate, we send the most recent minidumps. | |
| 162 if [ ! -d "${dir}" ]; then | |
| 163 return | |
| 164 fi | |
| 165 for file in $(ls -1t "${dir}"); do | |
| 166 local minidump_path="${dir}/${file}" | |
| 167 lecho "Considering crash ${minidump_path}" | |
| 168 if ! check_rate; then | |
| 169 lecho "Sending ${minidump_path} would exceed rate. Leaving for later." | |
| 170 return 0 | |
| 171 fi | |
| 172 local chromeos_version=$(get_version) | |
| 173 if is_feedback_disabled; then | |
| 174 lecho "Uploading is disabled. Removing crash." | |
| 175 rm "${minidump_path}" | |
| 176 elif is_on_3g; then | |
| 177 lecho "Not sending crash report while on 3G, saving for later." | |
| 178 elif send_crash ${minidump_path}; then | |
| 179 # Send was successful, now remove | |
| 180 lecho "Successfully sent crash ${minidump_path} and removing" | |
| 181 rm "${minidump_path}" | |
| 182 else | |
| 183 lecho "Problem sending ${minidump_path}, not removing" | |
| 184 fi | |
| 185 done | |
| 186 } | |
| 187 | |
| 188 main() { | |
| 189 lecho "Starting" | |
| 190 if [ -e "${PAUSE_CRASH_SENDING}" ]; then | |
| 191 lecho "Exiting early due to ${PAUSE_CRASH_SENDING}" | |
| 192 exit 1 | |
| 193 fi | |
| 194 | |
| 195 check_not_already_running | |
| 196 | |
| 197 # Send system-wide crashes | |
| 198 send_crashes "/var/spool/crash" | |
| 199 | |
| 200 # Send user-specific crashes | |
| 201 send_crashes "/home/chronos/user/crash" | |
| 202 | |
| 203 lecho "Done" | |
| 204 } | |
| 205 | |
| 206 main | |
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Chromium Code Reviews
Issue 2868032:
Remove source from crash-reporter and crash-dumper as they are no longer necessary. (Closed)
Base URL: ssh://git@chromiumos-git//crash.git