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1330. By James Hunt on 2011-12-09

Introduction of 'log' argument to 'console' stanza allowing
system job output only to be captured.

* contrib/vim/syntax/upstart.vim: Added 'log' and missing
  'none'.
* init/Makefile.am: Update for log.c, log.h and test_log.c.
* init/job.c: job_new(): Initialize log.
* init/job.h: Add Log pointer to Job.
* init/job_class.c:
  - XXX: behaviour change: Default for 'console'
    is now CONSOLE_LOG rather than CONSOLE_NONE.
    Rationale is that if a job does produce output, you want to see
    it since the chances are it will contain useful error details.
  - Added default_console variable.
  - job_class_console_type(): New function to parse console type
    string.
* init/job_class.h:
  - Added CONSOLE_LOG to ConsoleType and updated documentation
    for ConsoleType.
  - Added prototype for job_class_console_type().
* init/job_process.c:
  - New log_dir and disable_job_logging variables.
  - job_process_run(): Updated to reflect new parameter for
    job_process_spawn().
  - job_process_spawn(): Now accepts a Job rather than a
    JobClass to allow job->log and class->console to be handled
    appropriately. Now creates pty master and slave fds for
    console logging. Simplified code for file descriptor
    switching by using new job_process_remap_fd().
  - job_process_error_read(): Added entries for:
    - JOB_PROCESS_ERROR_OPENPT_MASTER
    - JOB_PROCESS_ERROR_OPENPT_UNLOCKPT
    - JOB_PROCESS_ERROR_PTSNAME
    - JOB_PROCESS_ERROR_OPENPT_SLAVE
  - job_process_log_path(): New function that returns full path to log
    file for specified Job.
  - job_process_remap_fd(): New function to ensure file
    descriptors do not collide.
* init/job_process.h:
  - Updated JobProcessErrorType with new entries:
    - JOB_PROCESS_ERROR_OPENPT_MASTER
    - JOB_PROCESS_ERROR_OPENPT_UNLOCKPT
    - JOB_PROCESS_ERROR_PTSNAME
    - JOB_PROCESS_ERROR_OPENPT_SLAVE
  - job_process_spawn(): Updated prototype.
  - job_process_log_path(): Added prototype.
* init/main.c:
  - handle_logdir(): New function for overriding log directory.
  - console_type_setter(): New Function to handle selection of
    default console value.
  - Added following command-line options:
    - '--default-console'
    - '--logdir'
    - '--no-log'
* init/man/init.5:
  - Update and restructure of section on 'console' stanza.
  - Added a FILES section.
* init/man/init.8: Updated with details of new options:
  - '--default-console'
  - '--logdir'
  - '--no-log'
* init/parse_job.c: stanza_console(): Updated for "log".
* init/paths.h: Added defines for JOB_LOGDIR and LOGDIR_ENV.
* init/session.c:
  - Added missing function headers.
* init/system.c: system_setup_console(): Update for CONSOLE_LOG.
* init/test_conf.c:
  - TEST_FORCE_WATCH_UPDATE(): Removed debug.
  - test_override(): Removed erroneous comment.
  - test_select_job(): Added variable attributes to keep gcc 4.6 happy.
* init/test_event.c: Explicitly set console type to CONSOLE_NONE to
  retain behaviour of existing tests.
* init/test_job.c:
  - test_job_new(): Ensure log object not created on Job instantiation.
  - test_change_state(): Explicitly set console type to CONSOLE_NONE to
    retain behaviour of existing tests.
* init/test_job_class.c:
  - test_new(): Ensure console type now defaults to CONSOLE_LOG.
  - Explicitly set console type to CONSOLE_NONE to retain behaviour of
    existing tests.
* init/test_job_process.c:
  - Added various new macros to simplify test code.
  - child(): New child_tests added for TEST_OUTPUT and TEST_SIGNALS.
  - get_available_pty_count(): New function.
  - Explicitly set console type to CONSOLE_NONE to retain behaviour of
    existing tests.
  - test_run(): Added new tests for CONSOLE_LOG.
  - test_spawn(): Added new tests for CONSOLE_LOG.
  - test_log_path(): New function.
  - test_handler(): Added UPSTART_LOGDIR support to
  - main():
    - Update to allow number of forks to be specified when run as a child
      process.
    - Added call to test_log_path().
    - initialize various subsystems since before, functions run from
      main() had to be run in the order specified and exactly as listed
     (certain tests relied on previous tests initializing a subsystem
     which gives unexpected results and thus confusing behaviour
     if the order of tests is changed).
* init/test_parse_job.c: Added new test to test_stanza_console() for
  "console log".
* util/tests/test_user_sessions.sh: Added tests for job logging
  to ensure no unexpected output recorded for user jobs.

1329. By Scott James Remnant (Canonical) on 2011-08-11

* init/job_process.c (job_process_spawn): Can't return on
dup2() error, we're in the child. Return an error back to
the child properly.

1328. By Scott James Remnant (Canonical) on 2011-08-11

* init/job_process.c (job_process_spawn), init/main.c: error
should be ENOENT

1327. By Scott James Remnant (Canonical) on 2011-08-11

* init/job_class.c, init/job_class.h: Move constants into the
header file so they can be found from other source files.
* init/job_process.c (job_process_spawn): Only adjust the OOM
score if it isn't the default
* init/main.c: Apply the default OOM score to the init process
itself.

1326. By Scott James Remnant (Canonical) on 2011-08-11

* init/main.c: Deal with failure to setup the system console by
falling back to /dev/null, so we don't end up without default fds
and castrate the process.

1325. By Scott James Remnant <email address hidden> on 2011-08-11

* init/job_class.c (job_class_new): nit, use #defines for the default
nice level and oom score adjustment.

1324. By James Hunt on 2011-07-25

* init/man/init.5: Explain that symbolic links are not supported.

1323. By James Hunt on 2011-07-25

* util/tests/test_user_sessions.sh: Be a little more verbose to give
  invoker a warm feeling that the tests have actually passed.

1322. By James Hunt on 2011-07-25

* init/session.c: session_from_dbus(): Handle case where a users
  home directory is changed or where a uid is re-used for a
  different username.
* init/session.h: Updated comments for Session object.

1321. By James Hunt on 2011-07-25

* TESTING.sessions: Updated with information on user sessions.
* init/job_process.c:
  - job_process_spawn():
    - Change group before user and do it as early as possible.
    - Ensure non-priv user is able to read script fd. Default system
      behaviour is seemingly not consistent/defined, so force it
      to be (LP: #813052)
    - Ensure cwd for user job is home directory by default.
  - job_process_error_read():
    - Added handling for JOB_PROCESS_ERROR_SETUID and
      JOB_PROCESS_ERROR_SETGID (LP: #807293).
    - Added new entry for JOB_PROCESS_ERROR_CHOWN.
* init/job_process.h:
  - Added entry for JOB_PROCESS_ERROR_CHOWN in JobProcessErrorType.
* init/man/init.5: Update for user jobs explaining behaviour of stanzas
  which manipulate system resource limits and when the init
  daemon reads the users job directory.
* util/tests/test_user_sessions.sh: New script for testing user sessions
  (NOTE: this is *NOT* run automatically).