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From Yusaku Sako <yus...@hortonworks.com>
Subject Re: Access Ambari API through Service Install Script
Date Wed, 26 Nov 2014 00:46:27 GMT
Can someone help?

Yusaku

On Sat, Nov 22, 2014 at 4:48 PM, Brian de la Motte <bdelamotte@zdatainc.com>
wrote:

> Hi everyone,
>
> I'm trying to integrate a custom service into Ambari. The problem is the
> service's master during installation needs to know about the hosts that are
> to be the service's slaves. The only way I was able to find that info was
> by using the API.
>
> Is it a good idea to have the master's install script call the API to get
> that info or is there an easier way? I think it would work but the script
> would need to know the username and password for Ambari's API call.
>
> Is there a way to get the service's slave's hosts without the API or for a
> Python script to get the admin username and password from a config in order
> to call the API?
>
> The call I would possibly use is something like this:
>
> curl  --user admin:admin
> http://127.0.0.1:8080/api/v1/clusters/abc/services/CUST_SERVICE/components/CUST_SERVICE_SLAVE?fields=host_components/HostRoles/host_name
>
>
> I could parse out the hostnames from this but how do I make this call
> without knowing what username and password to use.
>
> Any ideas or alternative methods?
>
> Thank you!
>
> Brian
>

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