init: respawn UE on crash

The init file specifies a limit to the number of respawns, but that does
not imply that upstart will respawn the process if it crashes.
Add the "respawn" stanza so Update Engine gets restarted if it crashes.

BUG=chromium:961905
TEST=killall update_engine, observe that update_engine is restarted
TEST=killall update_engine in a loop, observe that it's only restarted
10 times:
~# for i in {1..20}; do echo "Loop $i"; killall update_engine; sleep 1; done
Loop 1
Loop 2
Loop 3
Loop 4
Loop 5
Loop 6
Loop 7
Loop 8
Loop 9
Loop 10
Loop 11
Loop 12
update_engine: no process found
Loop 13
update_engine: no process found
Loop 14
update_engine: no process found
Loop 15
update_engine: no process found

Change-Id: I6164fccb8fe76915d0dd260703712224e759387d
Reviewed-on: https://chromium-review.googlesource.com/1606528
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Nicolas Norvez <norvez@chromium.org>
Reviewed-by: Xiaochu Liu <xiaochu@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
1 file changed
tree: 06a590302d913dbb30d5462dda5340d0a2247af0
  1. binder_bindings/
  2. client_library/
  3. common/
  4. dbus_bindings/
  5. fuzz/
  6. init/
  7. payload_consumer/
  8. payload_generator/
  9. sample_images/
  10. scripts/
  11. update_engine/
  12. update_manager/
  13. update_payload_key/
  14. .clang-format
  15. .gitignore
  16. Android.bp
  17. binder_service_android.cc
  18. binder_service_android.h
  19. binder_service_brillo.cc
  20. binder_service_brillo.h
  21. boot_control_android.cc
  22. boot_control_android.h
  23. boot_control_android_unittest.cc
  24. boot_control_chromeos.cc
  25. boot_control_chromeos.h
  26. boot_control_chromeos_unittest.cc
  27. certificate_checker.cc
  28. certificate_checker.h
  29. certificate_checker_unittest.cc
  30. chrome_browser_proxy_resolver.cc
  31. chrome_browser_proxy_resolver.h
  32. COMMIT-QUEUE.ini
  33. common_service.cc
  34. common_service.h
  35. common_service_unittest.cc
  36. connection_manager.cc
  37. connection_manager.h
  38. connection_manager_android.cc
  39. connection_manager_android.h
  40. connection_manager_interface.h
  41. connection_manager_unittest.cc
  42. connection_utils.cc
  43. connection_utils.h
  44. CPPLINT.cfg
  45. daemon.cc
  46. daemon.h
  47. daemon_state_android.cc
  48. daemon_state_android.h
  49. daemon_state_interface.h
  50. dbus_connection.cc
  51. dbus_connection.h
  52. dbus_service.cc
  53. dbus_service.h
  54. dbus_test_utils.h
  55. dlcservice_chromeos.cc
  56. dlcservice_chromeos.h
  57. dynamic_partition_control_android.cc
  58. dynamic_partition_control_android.h
  59. dynamic_partition_control_interface.h
  60. fake_file_writer.h
  61. fake_p2p_manager.h
  62. fake_p2p_manager_configuration.h
  63. fake_shill_proxy.cc
  64. fake_shill_proxy.h
  65. fake_system_state.cc
  66. fake_system_state.h
  67. generate_pc_file.sh
  68. hardware_android.cc
  69. hardware_android.h
  70. hardware_chromeos.cc
  71. hardware_chromeos.h
  72. hardware_chromeos_unittest.cc
  73. image_properties.h
  74. image_properties_android.cc
  75. image_properties_android_unittest.cc
  76. image_properties_chromeos.cc
  77. image_properties_chromeos_unittest.cc
  78. libcurl_http_fetcher.cc
  79. libcurl_http_fetcher.h
  80. libupdate_engine-client-test.pc.in
  81. libupdate_engine-client.pc.in
  82. local_coverage_rate
  83. main.cc
  84. metrics_constants.h
  85. metrics_reporter_android.cc
  86. metrics_reporter_android.h
  87. metrics_reporter_interface.h
  88. metrics_reporter_omaha.cc
  89. metrics_reporter_omaha.h
  90. metrics_reporter_omaha_unittest.cc
  91. metrics_reporter_stub.cc
  92. metrics_reporter_stub.h
  93. metrics_utils.cc
  94. metrics_utils.h
  95. metrics_utils_unittest.cc
  96. mock_boot_control_hal.h
  97. mock_certificate_checker.h
  98. mock_connection_manager.h
  99. mock_dynamic_partition_control.h
  100. mock_file_writer.h
  101. mock_metrics_reporter.h
  102. mock_omaha_request_params.h
  103. mock_p2p_manager.h
  104. mock_payload_state.h
  105. mock_power_manager.h
  106. mock_service_observer.h
  107. mock_update_attempter.h
  108. MODULE_LICENSE_APACHE2
  109. network_selector.h
  110. network_selector_android.cc
  111. network_selector_android.h
  112. network_selector_interface.h
  113. network_selector_stub.cc
  114. network_selector_stub.h
  115. NOTICE
  116. omaha_request_action.cc
  117. omaha_request_action.h
  118. omaha_request_action_fuzzer.cc
  119. omaha_request_action_unittest.cc
  120. omaha_request_builder_xml.cc
  121. omaha_request_builder_xml.h
  122. omaha_request_builder_xml_unittest.cc
  123. omaha_request_params.cc
  124. omaha_request_params.h
  125. omaha_request_params_unittest.cc
  126. omaha_response.h
  127. omaha_response_handler_action.cc
  128. omaha_response_handler_action.h
  129. omaha_response_handler_action_unittest.cc
  130. omaha_utils.cc
  131. omaha_utils.h
  132. omaha_utils_unittest.cc
  133. OWNERS
  134. p2p_manager.cc
  135. p2p_manager.h
  136. p2p_manager_unittest.cc
  137. parcelable_update_engine_status.cc
  138. parcelable_update_engine_status.h
  139. parcelable_update_engine_status_unittest.cc
  140. payload_state.cc
  141. payload_state.h
  142. payload_state_interface.h
  143. payload_state_unittest.cc
  144. power_manager_android.cc
  145. power_manager_android.h
  146. power_manager_chromeos.cc
  147. power_manager_chromeos.h
  148. power_manager_interface.h
  149. PRESUBMIT.cfg
  150. PREUPLOAD.cfg
  151. pylintrc
  152. real_system_state.cc
  153. real_system_state.h
  154. run_unittests
  155. sample_omaha_v3_response.xml
  156. service_delegate_android_interface.h
  157. service_observer_interface.h
  158. shill_proxy.cc
  159. shill_proxy.h
  160. shill_proxy_interface.h
  161. sideload_main.cc
  162. system_state.h
  163. tar_bunzip2.gypi
  164. test_http_server.cc
  165. test_subprocess.cc
  166. testrunner.cc
  167. unittest_key.pem
  168. unittest_key2.pem
  169. update_attempter.cc
  170. update_attempter.h
  171. update_attempter_android.cc
  172. update_attempter_android.h
  173. update_attempter_android_unittest.cc
  174. update_attempter_unittest.cc
  175. update_boot_flags_action.cc
  176. update_boot_flags_action.h
  177. update_boot_flags_action_unittest.cc
  178. update_engine-client.gyp
  179. update_engine.conf
  180. update_engine.gyp
  181. update_engine.rc
  182. update_engine_client.cc
  183. update_engine_client_android.cc
  184. update_metadata.proto
  185. update_status_utils.cc
  186. update_status_utils.h
  187. UpdateEngine.conf