On 23.7.2014 18:01, Mark Heslin wrote:
>SRV records need to be resolved first by your software and then resolved
>records used to perform lookups of the SRV entry content.
Ah, yes that explain it.
>If your clients don't know how to do that, you can use multiple A/AAAA
>record entries to allow round-robin them.
The funny thing here is that this is how I initially configured this (A Recs)
but it was suggested
that I use srv records. Since the OpenShift client do not make use of srv
records then I'll go back
to my initial configuration with A records.
At least now I understand srv records better and this will be used more and
more in the future:-)
Oh, I didn't expect that your application is so dumb. Please open bugs
upstream to fix that.
Have a nice day!
On 07/23/2014 10:11 AM, Alexander Bokovoy wrote:
On Wed, 23 Jul 2014, Mark Heslin wrote:
Thanks for helping me sort through the syntax. I have the entries added
# ipa dnsrecord-show example.com _foo.tcp
Record name: _foo.tcp
SRV record: 0 0 53 foo1.example.com., 0 0 53 foo2.example.com.
# host -t srv _foo.tcp
_foo.tcp.example.com has SRV record 0 0 53 foo2.example.com.
_foo.tcp.example.com has SRV record 0 0 53 foo1.example.com.
but how to I actually use the entry?
You are already using it above with host command.
# nslookup _foo.tcp
*** Can't find _foo.tcp: No answer
# nslookup _foo.tcp.example.com.
*** Can't find _foo.tcp.example.com.: No answer
This is SRV record, so you need to tell nslookup to look up SRV record,
not A or CNAME as it does by default.
# ping _foo.tcp
ping: unknown host _foo.tcp
SRV records need to be resolved first by your software and then resolved
records used to perform lookups of the SRV entry content.
The point of this is to create a front-end to balance requests from
across a set of OpenShift brokers. Host "foo" would alternate across the
(foo1) and second broker (foo2).
Then OpenShift clients (software) need to know how to resolve SRV record
connecting to the host that is pointed by the record.
If your clients don't know how to do that, you can use multiple A/AAAA
record entries to allow round-robin them.
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