Christian.Smith at Sun
Apr 10, 2007, 3:11 AM
Post #6 of 6
(143 views)
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Hi Saurabh,
That did the trick, cheers :-)
Saurabh Garg wrote:
> Hi Christian,
>
> In function vm(Object obj), the params are being constructed with uuid
> (of the vm node), but no session-id which you retrieved in the main
> function call... the session-id retrieved after authentication need to
> be passed as a parameter in every api call then after. You can modify
> your function signature to vm(Object,String) and pass on the sessionID
> to this method from main.
>
> Saurabh.
>
> Christian Smith - Sun Microsystems - Dublin Ireland wrote:
>> Hi Stefan,
>>
>> I have gotten you example to list the UUID's of all VM's successfully
>> but im having issues trying to get information on specific VM's. Im
>> sure its something im overlooking but when I run the code below I get
>> the following errors returned:
>>
>> EPERMDENIED
>> Session Invalid
>>
>> My code is below. Thanks for your help.
>> -Christian
>>
>>
>>
>> package rpcexample;
>>
>> import java.net.MalformedURLException;
>> import java.net.URL;
>> import java.util.HashMap;
>> import org.apache.xmlrpc.XmlRpcException;
>> import org.apache.xmlrpc.client.XmlRpcClient;
>> import org.apache.xmlrpc.client.XmlRpcClientConfigImpl;
>>
>> public class RPCExample {
>> private static XmlRpcClientConfigImpl config;
>> private static XmlRpcClient client;
>> /**
>> * @param args
>> */
>> public static void main(String[] args) {
>> URL url = null;
>> try {
>> url = new URL("http://my-ip:9363");
>> } catch (MalformedURLException e) {
>> System.out.println("Malformed URL?");
>> System.exit(-1);
>> }
>> config = new XmlRpcClientConfigImpl();
>> config.setServerURL(url);
>> client = new XmlRpcClient();
>> client.setConfig(config);
>> String username = "any";
>> String password = "any";
>> Object[] params = new Object[]{username, password};
>> HashMap<String, String> result = null;
>> try {
>> result = (HashMap)
>> client.execute("session.login_with_password", params);
>> } catch (XmlRpcException e) {
>> System.out.println("Could not open session");
>> System.exit(-1);
>> }
>> String status = result.get("Status");
>> if (status.compareTo("Success") == 0) {
>> String uuid = result.get("Value");
>> params = new Object[]{uuid};
>> try {
>> result = (HashMap) client.execute("VM.get_all", params);
>> } catch (XmlRpcException e) {
>> System.out.println("Could not get VMs' UUIDs");
>> System.exit(-1);
>> }
>> Object res = result.get("Value");
>> if (res.getClass() == Object[].class) {
>> Object[] arr = (Object[])res;
>> int i;
>> for (i = 0; i < arr.length; i++) {
>> //System.out.println("VM UUID: " +(String)arr[i]);
>> vm(arr[i]);
>> }
>> }
>> }
>> }
>> public static void vm(Object vm){
>> Object[] params;
>> HashMap<String, String> result = null;
>>
>> System.out.println("UUID: " + (String)vm);
>> params = new Object[]{vm};
>> try {
>> result = (HashMap)client.execute("VM.get_memory_actual",
>> params);
>> String status = result.get("Status");
>> if(status.compareTo("Failure") == 0){
>> Object res = result.get("ErrorDescription");
>> if( res.getClass() == Object[].class ){
>> Object[] arr = (Object[])res;
>> for(int i = 0; i < arr.length; i++){
>> System.out.println("\tDescrip: " +
>> (String)arr[i]);
>> }
>> }
>> }else {
>> System.out.println("\tResult: " + result);
>> }
>> } catch (XmlRpcException ex) {
>> System.out.println("Could not get actual memory!");
>> }
>> }
>> }
>>
>>
>> Stefan Berger wrote:
>>>
>>> *This program should show all VMs' UUIDs.*
>>>
>>> *I added the line*
>>>
>>> *(xen-api-server (( 0.0.0.0:9363 none )))*
>>>
>>> *to /etc/xen/xend-config.sxp before starting xend.*
>>>
>>> * Stefan*
>>>
>>>
>>> *package* test;
>>>
>>> *import* java.net.MalformedURLException;
>>> *import* java.net.URL;
>>> *import* java.util.HashMap;
>>> *import* org.apache.xmlrpc.XmlRpcException;
>>> *import* org.apache.xmlrpc.client.XmlRpcClient;
>>> *import* org.apache.xmlrpc.client.XmlRpcClientConfigImpl;
>>>
>>> *public* *class* Test {
>>> *private* *static* XmlRpcClientConfigImpl /config/;
>>> *private* *static* XmlRpcClient /client/; /**
>>> * *@param* args
>>> */
>>> *public* *static* *void* main(String[] args) {
>>> URL url = *null*;
>>> *try* {
>>> url = *new*
>>> URL("http://your.xen.machine.ip.address:9363");
>>> } *catch* (MalformedURLException e) {
>>> System./out/.println("Malformed URL?");
>>> System./exit/(-1);
>>> }
>>> /config/ = *new* XmlRpcClientConfigImpl();
>>> /config/.setServerURL(url);
>>> /client/ = *new* XmlRpcClient();
>>> /client/.setConfig(/config/);
>>> String username = "any";
>>> String password = "any";
>>> Object[] params = *new* Object[]{username, password};
>>> HashMap<String, String> result = *null*;
>>> *try* {
>>> result = (HashMap)
>>> /client/.execute("session.login_with_password", params);
>>> } *catch* (XmlRpcException e) {
>>> System./out/.println("Could not open session");
>>> System./exit/(-1);
>>> }
>>> String status = result.get("Status");
>>> *if* (status.compareTo("Success") == 0) {
>>> String uuid = result.get("Value");
>>> params = *new* Object[]{uuid};
>>> *try* {
>>> result = (HashMap)
>>> /client/.execute("VM.get_all", params);
>>> } *catch* (XmlRpcException e) {
>>> System./out/.println("Could not get
>>> VMs' UUIDs");
>>> System./exit/(-1);
>>> }
>>> Object res = result.get("Value");
>>> *if* (res.getClass() == Object[].*class*) {
>>> Object[] arr = (Object[])res;
>>> *int* i;
>>> *for* (i = 0; i < arr.length; i++) {
>>> System./out/.println("VM
>>> UUID: " +(String)arr[i]);
>>> }
>>> }
>>> }
>>>
>>> }
>>> }
>>>
>>> xen-api-bounces [at] lists wrote on 04/05/2007 08:10:10 AM:
>>>
>>> > Hi All,
>>> >
>>> > I am trying to talk to the Xen API with Java and
>>> > 'org.apache.xmlrpc.client.XmlRpcClient' (version 3). I was
>>> wondering if
>>> > someone could give me a very short example of connecting to the
>>> server
>>> > and getting a list of VM's? I have never used XML-RPC before and the
>>> > tutorials ive found dont seem to apply to this version of the
>>> xmlrpc api.
>>> >
>>> > Thanks in advance,
>>> > Christian
>>> >
>>> > _______________________________________________
>>> > xen-api mailing list
>>> > xen-api [at] lists
>>> > http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-api
>>> ------------------------------------------------------------------------
>>>
>>>
>>> _______________________________________________
>>> xen-api mailing list
>>> xen-api [at] lists
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>>>
>>
>>
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>
>
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