Forum Discussion
Ethan_Erchinger
Nimbostratus
NimbostratusUsing Python and SOAPpy with iControl
Hello,
I'm definetly a newby when it comes to SOAP, and using SOAPpy. I can call simple functions in the LocalLB/Class wsdl, like get_address_class_list(). But when trying to call something like get_external_class_file_name I get an emtpy array returned. Any help would REALLY be appreciated.
import sys
import SOAPpy
User = 'admin'
Pwd = sys.argv[1]
SOAPpy.Config.debug = 1
Location = 'https://admin:%s@10.10.1.1/iControl/iControlPortal.cgi' %( Pwd )
server = SOAPpy.SOAPProxy(Location, namespace = "urn:iControl:LocalLB/Class")
print server.get_external_class_file_name(
SOAPpy.NameType('', 'class_names', 0, {'items': ['myList']})
)
Output:
In build.
In dump. obj=
In dump_instance. obj= tag= None
*** Outgoing HTTP headers **********************************************
POST /iControl/iControlPortal.cgi HTTP/1.0
Host: 10.1.4.2
User-agent: SOAPpy 0.12.0 (http://pywebsvcs.sf.net)
Content-type: text/xml; charset="UTF-8"
Content-length: 515
SOAPAction: "get_external_class_file_name"
************************************************************************
*** Outgoing SOAP ****************************************************** SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
>
************************************************************************
code= 200
msg= OK
headers= Date: Tue, 04 Apr 2006 05:15:39 GMT
Server: Apache
SOAPServer: EasySoap++/0.6
Connection: close
Content-Type: text/xml; charset="UTF-8"
content-type= text/xml; charset="UTF-8"
data= xmlns:E="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:A="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:s="http://www.w3.org/2001/XMLSchema-instance"
xmlns:y="http://www.w3.org/2001/XMLSchema"
xmlns:iControl="urn:iControl"
E:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> xmlns:m="urn:iControl:LocalLB/Class"> s:type="A:Array"
A:arrayType="y:string[0]">
*** Incoming HTTP headers **********************************************
HTTP/1.? 200 OK
Date: Tue, 04 Apr 2006 05:15:39 GMT
Server: Apache
SOAPServer: EasySoap++/0.6
Connection: close
Content-Type: text/xml; charset="UTF-8"
************************************************************************
*** Incoming SOAP ****************************************************** xmlns:E="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:A="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:s="http://www.w3.org/2001/XMLSchema-instance"
xmlns:y="http://www.w3.org/2001/XMLSchema"
xmlns:iControl="urn:iControl"
E:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> xmlns:m="urn:iControl:LocalLB/Class"> s:type="A:Array"
A:arrayType="y:string[0]">
************************************************************************: []
Any ideas?
Ethan
- We don't officially support Python as a dev language but I do know that several users out there are using it. One thing that I've heard is that SOAPpy doesn't support 2-dimensional arrays which we use in a large majority of our methods.
As for your issue, since I don't know Python, I'm going solely by the SOAP trace. In your request, the signature for get_external_calss_file_name is the followingString[] LocalLB::Class::get_external_class_file_name( in String[] class_names );
Your code:print server.get_external_class_file_name( SOAPpy.NameType('', 'class_names', 0, {'items': ['myList']}) )
resulted in this messagexmlns:ns1="urn:iControl:LocalLB/Class" SOAP-ENC:root="1"> items="">
The class_names parameter needs to be a single dimentional array of type string with the requested class names passed in the array. Your python code is making the class_names parameter a single type with empty value. It should result in something like this:xmlns:ns1="urn:iControl:LocalLB/Class" SOAP-ENC:root="1"> SOAP-ENC:arrayType="SOAP-ENC:Array[1]"> class_name_goes_here
-Joe - This was just passed along to me from a co-worker. Give this a shot.
server.get_external_class_file_name(class_names = ['name1','name2'])
-Joe - You can use the following patch against SOAPBuilder.py to allow SOAPpy to serialize arrays of arrays...
--- SOAPBuilder.py 2005-02-21 12:24:13.000000000 -0800 +++ /tmp/SOAPBuilder.py 2006-03-31 13:53:49.000000000 -0800 @@ -496,7 +496,10 @@ elemsname = tag for i in data: - self.dump(i, elemsname, not same_type, ns_map) + if type(i) == type([]): + self.dump(i,'item') + else: + self.dump(i, elemsname, not same_type, ns_map) if typed: self.out.append('\n' % tag)
Then you can succesfully use SOAPpy 100% of iControl (haven't found a call that didn't work yet):url = '%%s://%s:%s@%s/iControl/iControlPortal.cgi' % (admin,passwd,bigip) ProxyBuilder = lambda x: SOAPProxy(url % 'https', namespace='urn:iControl:' + x) sysinfo = ProxyBuilder('System/SystemInfo') ver = sysinfo.get_version() print "version: %s" % ver pool = ProxyBuilder('LocalLB/Pool') try: pool.create(pool_names = ['test_pool'], lb_methods = ['LB_METHOD_ROUND_ROBIN'], members = [[{'address':'172.16.17.1','port':'80'}]]) except faultType, (ErrorFrom, ErrorMessage): faultType is defined by SOAPpy if ErrorMessage.find("already exists") > 0: print "pool test_pool already exists..." else: print "unhandled exception:", ErrorMessage raise
