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supervise-daemon was apparently overlooked when support for the
SSD_IONICELEVEL environment variable was added. This commit brings
supervise-daemon up to parity with start-stop-daemon with respect to
this environment variable.
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supervise-daemon is no longer experimental so remove the statements to
that affect.
This fixes #434.
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Fixes strncmp size argument off by one as the current implementation didn't
match the `=` character.
This fixes #361.
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This fixes #375 and allows us to not add another level of indentation in
the supervisor loop.
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--user that start with a number
start-stop-daemon and supervise-daemon parse usernames and group names
passed via the --user argument as numeric UID/GID if they start with a
number (e.g. user "4foo" will be treated as UID 4). This results in the
process that is being started to run under a totally unexpected user if
that UID exists.
Even though the result of the sscanf calls are tested for a result of
exactly 1, which means exactly one value was extracted, because sscanf's
format string only contains only one placeholder, it will never return
a value greater than 1, even if there are still characters left to be
parsed. This causes start-stop-daemon and supervise-daemon to assume
that usernames starting with a number are just that number. Adding a
second placeholder "%1s" to the format string, which matches a string of
length 1, makes sure that sscanf can distinguish between pure numbers
(in which case it will return 1) and strings either starting with a
number (in which case it will return 2) and any other string (in which
case it will return 0).
This fixes #379.
This fixes #380.
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When executable is provided just by name (and therefore searched in a
path), exec_file is reset to NULL every time. exists() handles it being
NULL just fine, but dereferencing it in eerror does not work.
Fixes #326
Fixes #327
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Fix misleading indentation and other erroneous whitespace.
This fixes #273.
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The following will cause a segfault due to NULL being
passed to strcmp(3)
$ RC_SVCNAME=foo supervise-daemon
Fix the bounds check on argc in main. If argc<=1, then
it is not safe to dereference argv[1].
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In order to run healthcheck() and the unhealthy() function, add an
exec_command call to the supervisor.
Another difference is This function also logs errors instead of
attempting to display them.
This is for #271.
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This fixes #264.
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This fixes #239.
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This is for #263.
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Since the pid file is internal to us, start moving toward deprecating it
by not requiring the user to specify it.
In the next release, I plan on working on code to start phasing out the
use of a pid file if this is possible.
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This will allow us to signal the daemon we are supervising as well as
send other commands to the supervisor in the future.
This fixes #227.
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This is needed in preparation for adding support for a fifo to allow us
to communicate with the supervisor to ask it to signal the child it is
supervising.
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The pidfile of the supervisor doesn't need to be adjustable by the
service script. It is only used so the supervisor can stop itself when
the --stop option is used.
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We need to make sure to reap zombies so that we can shut down
successfully.
Fixes #252.
Possibly related to #250.
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Health checks are a way to monitor a service and make sure it stays
healthy.
If a service is not healthy, it will be automatically restarted after
running the unhealthy() function to clean up.
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Fix the comparison between respawn_count and respawn_max so that
respawn_max = 1 will allow for one respawn. Since respawn_count is
incremented before the comparison, use a 'greater than' comparison
so that respawn will be triggered when respawn_count is equal to
respawn_max.
Fixes: https://github.com/OpenRC/openrc/issues/247
Fixes: https://github.com/OpenRC/openrc/issues/248
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We will be using sigalrm in this process for health checking, and
sigalrm cannot be used with sleep() safely.
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This is for #186.
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This makes ps show which service the supervisor is monitoring.
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This allows us to detect when the supervisor dies unexpectedly because
in that case child_pid will still exist.
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X-Gentoo-Bug: 635334
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=635334
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- Harden against dying by handling all signals that would terminate the
program and adding --reexec support
- factor the supervisor into its own function
- fix test for whether we are already running
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Prior to this change, we were logging unexpected terminations of daemons
we were supervising at the info level. This change moves the logs to
warnings.
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We need to do this to skip the zombie state for the child process since
we are not easily able to wait() for it.
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Clean up the process for killing an active supervisor when stopping.
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This allows supervise-daemon to run this code without attempting to
print some status messages used by start-stop-daemon.
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