Great, I will try this out. What do you mean enable rebuild in /etc/aws/hosts?

Nathan

On Sat, Mar 14, 2009 at 6:50 PM, jdMelton
<[email protected]> wrote:
>
> Nathan,
>
> I do not know if the following will work for you if you need either
> the Public DNS or Elastic IP Addresses.
>
> This is a cut-down version of a bash script that I run to get all of
> the app role private IP addresses:
>
> #!/bin/bash
> # jdMelton
> #
> # Report undefined variables.
> shopt -s -o nounset
> #
> # Get the app server IP addresses.
> # If this script runs during a rebuild of /etc/aws/hosts, then ls will
> return
> # an error or the directory may be empty. So, loop until a count is
> obtained.
> declare -i APP_SERVER_COUNT=0
> declare -a APP_DIRECTORY_ARRAY
> while [ $APP_SERVER_COUNT -lt 1 ]; do
>    APP_DIRECTORY_ARRAY=($(ls /etc/aws/hosts/app 2> /dev/null))
>    app_server_count=${#app_directory_arr...@]}
>    if [ $APP_SERVER_COUNT -lt 1 ]; then
>        echo -n 'APP_SERVER_COUNT < 1 ' >> $MYLOGFILE; date >>
> $MYLOGFILE
>        sleep 60s
>    fi
> done
>
> # Do something useful here. This just shows the results.
> declare APP_SERVER
> for APP_SERVER in ${app_directory_arr...@]}; do
>    echo 'app role = '$APP_SERVER
> done
>
>
> This can be repeated for www or any of the other roles.
> You could do something like this in php as well.
> I believe that you do need to enable rebuild /etc/aws/hosts in
> scripting to keep these up do date.
>
> On Mar 13, 11:59 pm, Nathan Palmer <[email protected]> wrote:
>> That looks like it could work I'm just not sure how to use it. What
>> would be the easiest way to put this to use possibly in a php script?
>> I'm not sure how to use it in that way. I ran those commands from the
>> shell and got a result but I need to somehow get that information,
>> parse the xml and use it in a useful way. Can anyone point me to any
>> existing script snippets so I can see how I can apply it to my
>> situation?
>>
>> Thanks,
>>
>> Nathan
>>
>> On Fri, Mar 13, 2009 at 7:43 AM, Nickolas Toursky <[email protected]> wrote:
>>
>> > Hi Nathan,
>>
>> > Consider using QueryEnv Scalr API to do this (more details at
>> >http://code.google.com/p/scalr/wiki/QueryEnv).
>> > "list-roles" query response contains indexes for every instance within
>> > a role.
>>
>> > Nick
>>
>> > On Mar 13, 4:18 am, Nathan Palmer <[email protected]> wrote:
>> >> I'm trying to setup a script for my app role that will connect to the
>> >> gluster server that was created on the master role. I can start the
>> >> gluster server based on the %instance_index% = 1 but each additional
>> >> node that is started needs to get the IP address of the master node in
>> >> order to setup it's gluster configuration. Is there a way to do this?
>>
>> >> Thanks,
>>
>> >> Nathan
>
> >
>

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