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2.21. Example: Checking System Events using Python

Red Hat Virtualization Manager records and logs many system events. These event logs are accessible through the user interface, the system log files, and using the API. The ovirtsdk library exposes events using the events collection.

Example 2.22. Checking System Events using Python

In this example the events collection is listed. Note that:
  • The query parameter of the list method is used to ensure that all available pages of results are returned. By default the list method will only return the first page of results which defaults to a maximum of 100 records in length.
  • The resultant list is reversed to ensure that events are included in the output in the order that they occurred. 
from ovirtsdk.api import API
from ovirtsdk.xml import params

try:
    api = API (url="https://HOST",
               username="USER@DOMAIN",
               password="PASS",
               ca_file="ca.crt")

    event_list = []
    event_page_index = 1
    event_page_current = api.events.list(query="page %s" % event_page_index)

    while(len(event_page_current) != 0):
        event_list = event_list + event_page_current
        event_page_index = event_page_index + 1
		try:
            event_page_current = api.events.list(query="page %s" % event_page_index)
	    except Exception as ex:
		    print "Error retrieving page %s of list: %s" % (event_page_index, ex)

    event_list.reverse()

    for event in event_list:
        print "%s %s CODE %s - %s" % (event.get_time(),
                                      event.get_severity().upper(),
                                      event.get_code(),
                                      event.get_description())

except Exception as ex:
    print "Unexpected error: %s" % ex
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Output from this script will look like this - albeit with different events depending on the state of the environment: 
2012-09-25T18:40:10.065-04:00 NORMAL CODE 30 - User admin@internal logged in.
2012-09-25T18:40:10.368-04:00 NORMAL CODE 153 - VM vm1 was started by admin@internal (Host: Atlantic).
2012-09-25T18:40:10.470-04:00 NORMAL CODE 30 - User admin@internal logged in.
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