|
So I guess this means it's a bad idea to just add the lines...
ipvsadm --start-daemon master
ipvsadm --start-daemon slave
..to rc.local?
Fortunately, I am shameless about displaying my ignorance.
Disclaimer - July 5, 2006
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attachments.-----Original Message-----
From: lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx
[mailto:lvs-users-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Roberto
Nibali
Sent: Wednesday, July 05, 2006 4:04 AM
To: LinuxVirtualServer.org users mailing list.
Cc: Horms; Robinson@xxxxxxxxxxxxxxxxx
Subject: Re: At Startup, I Get This: sed: -e expression
#1,char1:?unknown?command: `%'
Hello Horms,
Usual nitpicking :).
> I wrote up a patch to do this, it adds the sync_daemon option to
> ldirectord.cf. Though I am not sure if it should be added to
> ldirectord, as it may confuse people who run ldirectord out of
> heartbeat's haresources file.
> +B<sync_daemon = >[B<off>|B<on>|B<master>|B<backup>]
> +
> +Start the LVS synchronsation daemon. off will not start the daemon.
s/chrons/chronis/
> +on starts both the master and backup daemons. master will start only
> +the master daemon. backup will start only the backup daemon.
> +
> +If a daemon is configured to be started by ldirectord, it will also
> +be stopped by ldirectord when ldirectord exits. If ldirectord is
> +being run as a resource for heartbeat, and thus started and stoped on
> +failover, then it probably is best to set this parameter to off and
> +start and stop the synchronisation daemons by other means.
> +
> +Note also that older kernels (<2.4.27?) can only run one daemon at a
time.
> +
> +The default is off
> +
> +
> B<quiescent = >[B<yes>|B<no>]
>
> If I<yes>, then when real or failback servers are determined @@
> -395,6 +414,7 @@
> $RUNPID
> $CHECKTIMEOUT
> $QUIESCENT
> + $SYNC_DAEMON
>
> $CALLBACK
> $CFGNAME
> @@ -1027,6 +1047,11 @@
> $LD_INSTANCE{$1} = 1;
> } elsif ($_ =~ /^supervised/) {
> $SUPERVISED = 1;
> + } elsif ($_ =~ /^sync_daemon\s*=\s*(.*)/) {
> + ($1 eq "on" || $1 eq "off" || $1 eq "master" ||
$1 eq "backup")
> + or &config_error($line,
> + "quiescent must be 'on', 'off',
'master' or 'backup'");
s/quiescent/sync_daemon/
> + $SYNC_DAEMON = $1;
> } elsif ($_ =~ /^quiescent\s*=\s*(.*)/) {
> ($1 eq "yes" || $1 eq "no")
> or &config_error($line, @@ -1422,6 +1447,7
> @@
>
> sub ld_setup
> {
> + ld_sync_start($SYNC_DAEMON);
> for my $v (@VIRTUAL) {
> if ($$v{protocol} eq "tcp") {
> $$v{proto} = "-t"; @@ -1683,6 +1709,8 @@
> &system_wrapper("$IPVSADM -D $$v{proto} " .
&get_virtual($v));
> &ld_log("Removed virtual server (stop): " .
&get_virtual($v));
> }
> +
> + ld_sync_stop($SYNC_DAEMON);
> }
>
>
> @@ -3602,3 +3630,103 @@
> {
> return ld_find_cmd_path($_[0], $ENV{'PATH'}, $_[1]); }
> +
> +# ld_sync_get_status
> +# Check the status of the ipvs sync daemon # pre: type: "backup" or
> +"master"
> +# return: PID of running sync daemon
> +# undef otherwise
> +sub ld_sync_get_status
> +{
> + my ($type) = (@_);
> + my $status = 0;
> +
> + open PS, "ps ax|" or return;
> +
> + while(<PS>) {
> + m/ \[ipvs[ _]sync$type\]$/ or next;
> + s/ *//;
> + s/ .*$//;
> + $status = $_;
> + last;
> + }
> +
> + close PS;
> + return $status;
> +}
> +
> +# __ld_sync_stop
> +# Run the ipvs sync daemon if it is not already running, else do
> +nothing # pre: type: "backup" or "master"
> +# return: none
> +sub __ld_sync_stop
> +{
> + my ($type) = (@_);
> + my $result;
> +
> + if (not ld_sync_get_status($type)) {
> + $result = "skipped (not running)";
> + }
> + elsif (system_wrapper("ipvsadm --stop-daemon $type") != 0) {
> + $result = "fail";
> + }
> + else {
> + $result = "ok";
> + }
> + ld_log("Stopping ipvs sync$type: $result"); }
> +
> +# ld_sync_stop
> +# Stop the ipvs sync daemons using __ld_sync_stop() # pre: type:
> +"off", "on", "backup" or "master"
> +# return: none
> +sub ld_sync_stop
> +{
> + my ($type) = (@_);
> +
> + if ($type eq "on" or $type eq "master") {
> + __ld_sync_stop("master");
> + }
> + if ($type eq "on" or $type eq "backup") {
> + __ld_sync_stop("backup");
> + }
> +}
> +
> +# __ld_sync_start
> +# Stop the ipvs sync daemon if it is running, else do nothing # pre:
> +type: "backup" or "master"
> +# return: none
> +sub __ld_sync_start
> +{
> + my ($type) = (@_);
> + my $result;
> +
> + if (ld_sync_get_status($type)) {
> + $result = "skipped (already running)";
> + }
> + elsif (system_wrapper("ipvsadm --start-daemon $type") != 0) {
> + $result = "fail";
> + }
> + else {
> + $result = "ok";
> + }
> + ld_log("Starting ipvs sync$type: $result"); }
> +
> +
> +# ld_sync_start
> +# Stop the ipvs sync daemons using __ld_sync_start() # pre: type:
> +"off", "on", "backup" or "master"
> +# return: none
> +sub ld_sync_start
> +{
> + my ($type) = (@_);
> +
> + if ($type eq "on" or $type eq "master") {
> + __ld_sync_start("master");
> + }
> + if ($type eq "on" or $type eq "backup") {
> + __ld_sync_start("backup");
> + }
> +}
> +
> Index: ldirectord.cf
> ===================================================================
> RCS file: /home/cvs/linux-ha/linux-ha/ldirectord/ldirectord.cf,v
> retrieving revision 1.26
> diff -u -r1.26 ldirectord.cf
> --- ldirectord.cf 5 Aug 2005 06:18:17 -0000 1.26
> +++ ldirectord.cf 5 Jul 2006 09:16:17 -0000
> @@ -16,6 +16,7 @@
> #logfile="/var/log/ldirectord.log"
> #logfile="local0"
> quiescent=yes
> +sync_daemon=off
Cheers mate,
Roberto Nibali, ratz
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