Hi Dejan and Lars, I send the patch which I revised according to indication of Lars.
>> OK. I guess that this won't introduce a regression. And I guess >> that sometimes one may need a newline in the test string. I seemed to surely take such a step in the past. However, I thought that the tr processing was deleted that load became higher. Therefore I used the -z option. Regards, Tomo 2012年1月14日20:55 Lars Ellenberg <[email protected]>: > On Fri, Jan 13, 2012 at 06:58:21PM +0100, Dejan Muhamedagic wrote: >> Hi, >> >> On Wed, Dec 14, 2011 at 02:27:56PM +0900, nozawat wrote: >> > Hi >> > >> > 1.apache.patch(Coping of monitor failure) >> > When a newline code is included, I fail in a monitor. >> > Therefore I coped with a newline code. >> >> OK. I guess that this won't introduce a regression. And I guess >> that sometimes one may need a newline in the test string. >> >> > 2.http-mon.sh.patch(IPv6 support) >> > When I did wget, I assigned 127.0.0.1 to --bind-address optionally, >> > but this deleted it now for IPv4. >> > Even IPv6 works by doing so it. >> >> But this may have adverse effect on existing configurations. For >> instance, if the configuration specifies a URL which may be >> accessed from outside, then suddenly a monitor will return >> success on any node in the cluster. I think that we need a >> different approach here. >> >> Why exactly IPv6 doesn't work? > > I think, because: > > $ wget -O- -q -L --no-proxy --bind-address 127.0.0.1 "http://[::1]/"; > does not work. > > strace reveals: > socket(PF_INET6, SOCK_STREAM, IPPROTO_IP) = 3 > bind(3, {sa_family=AF_INET, sin_port=htons(0), > sin_addr=inet_addr("127.0.0.1")}, 16) = -1 EINVAL (Invalid argument) > > However, this does work: > $ wget -O- -q -L --no-proxy --bind-address ::1 "http://[::1]/"; ; echo $? > > So maybe bindaddress should become an option as well? > Or auto-detect: > if ip -o -f inet6 a s dev lo | grep -q " ::1/"; then > # alternatively, to not be linux specific, ifconfig lo | grep ... > # in case the output is actually reliably grep-able accross OSes. > bind_address="::1" > else > bind_address="127.0.0.1" > fi > > Because, at least as long as net.ipv6.bindv6only = 0, > binding to ::1 works for http://127.0.0.1 as well. > >> Thanks, >> >> Dejan >> >> > Regards, >> > Tomo >> >> >> >> > _______________________________________________________ >> > Linux-HA-Dev: [email protected] >> > http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev >> > Home Page: http://linux-ha.org/ >> >> _______________________________________________________ >> Linux-HA-Dev: [email protected] >> http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev >> Home Page: http://linux-ha.org/ > > -- > : Lars Ellenberg > : LINBIT | Your Way to High Availability > : DRBD/HA support and consulting http://www.linbit.com > > DRBD(R) and LINBIT(R) are registered trademarks of LINBIT, Austria. > _______________________________________________________ > Linux-HA-Dev: [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev > Home Page: http://linux-ha.org/
http-mon.sh.patch
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