In general context variables are used in two ways:
1) where the configuration file (or initial configuration) explicitly
uses a value of the for "${prop_name}"
2) where the code defines a default value for an attribute in terms of
a property (for instance the alertRepeatGap property of queues is
defined to default to ${queue.alertRepeatGap} which is specified as
having a default value of 3000
For 6.1 we have added a feature to the REST apidocs which displays the
context variables defined in a given object type. Unfortunately this
feature is not present in 6.0.x. However you can fairly easily see
all the defined context variables simply by using the REST api to
retrieve the details of the broker and looking at the context
attribute. For instance on my local broker I can run
http://localhost:8888/api/latest/broker and in the results I see:
"context" : {
"java.vm.version" : "24.0-b56",
"virtualhost.storeTransactionIdleTimeoutWarn" : "180000",
"port.http.maximumQueuedRequests" : "1000",
"rvm_version" : "1.24.7 (stable)",
"XPC_FLAGS" : "0x0",
"queue.holdOnPublishEnabled" : "false",
"qpid.broker.bdbTotalCacheSize" : "102943948",
"line.separator" : "\n",
"qpid.port.protocol_handshake_timeout" : "2000",
...
as you can tell these are a mixture of qpid defined context variables,
and context defined by the environment (java.vm.version, rpm_version,
XPC_FLAGS, and line.separator are environment and not Qpid defined).
If you ignore the environment context then you can see all the context
variables which your Qpid version defines in code.
There is nothing defined for authentication provider. The approach
you describe in your other e-mail is the correct one, unfortunately
there is a bug which is stopping this from working. However I've
already created a fix for that bug which we should be able to put into
6.0.5 which you can use as a drop-in replacement for 6.0.2.
Hope this helps,
Rob
On 8 October 2016 at 20:22, rammohan ganapavarapu
<[email protected]> wrote:
> Hi,
>
> I am trying to find what are the available properties that can use at
> broker start up. I know below are available but any undocumented properties
> that i can pass at the time of startup?
>
> qpid.amqp_port=5672
> qpid.http_port=10002
> qpid.jmx_port=8999
> qpid.rmi_port=9099
>
> and config.json will be like
>
> "ports" : [ {
> "port" : "${qpid.amqp_port}",
> "port" : "${qpid.http_port}",
> "port" : "${qpid.jmx_port}"
> "port" : "${qpid.rmi_port}"
>
>
>
> is there any property available for "authenticationProvider" so that i can
> use it as variable in config file?
>
> like "authenticationProvider" : "${my_authenticationProvider}"
>
>
> Thanks,
> Ram
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