Date: Sun, 14 Sep 2014 15:53:04 -0700 From: Alfred Perlstein <alfred@freebsd.org> To: Ian Lepore <ian@FreeBSD.org> Cc: arch@freebsd.org Subject: Re: Trouble with freebsd rc system. Message-ID: <54161C50.3000507@freebsd.org> In-Reply-To: <1410734453.66615.2.camel@revolution.hippie.lan> References: <54161633.60207@freebsd.org> <1410734453.66615.2.camel@revolution.hippie.lan>
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On 9/14/14, 3:40 PM, Ian Lepore wrote:
> On Sun, 2014-09-14 at 15:26 -0700, Alfred Perlstein wrote:
>> Hey folks,
>>
>> We are building an appliance based on FreeBSD.
>>
>> One of the issues we have is that during development we need to know
>> which rc script we are in during boot so that if something is hanging or
>> otherwise misbehaving we know which script it is.
>>
>> I am contemplating this hack to /etc/rc.subr's run_rc_command() method:
>>
>> run_rc_command()
>> {
>> _return=0
>> rc_arg=$1
>> if [ -z "$name" ]; then
>> err 3 'run_rc_command: $name is not set.'
>> fi
>>
>> # Don't repeat the first argument when passing additional command-
>> # line arguments to the command subroutines.
>> #
>> shift 1
>> rc_extra_args="$*"
>>
>> echo "===> $name $rc_arg"
>>
>>
>> As you can see I've added the call to echo so we know where we are.
>>
>> This is somewhat suboptimal because we really only want that output
>> during startup.
>>
>> So a few questions:
>>
>> 1. Is there a way to know we are booting when inside of
>> /etc/rc.subr:run_rc_command() ?
>> 2. Is there a magic thing I'm missing that does what I want (output
>> which /etc/rc.d/ script I am about to run)?
>> 3. How would I make a knob to turn off the "echo" so that I can
>> contribute this back to FreeBSD without getting into a bikeshed on
>> bootup messages.
>>
>> Kindly please advise.
>>
>> -Alfred
> A bit further down in run_rc_command, in the start) case, is:
>
> check_startmsgs && echo "Starting ${name}."
>
> and that output is controlled with rc_startmsgs=yes, which is the
> default.
>
> -- Ian
>
>
>
I see that, however I've often been hung up in a rc script and that
message is not displayed... let me check, maybe we have dumb defaults
somehow.
-Alfred
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