Sample using vSphere PerfMgr API

sample/esxi_perf_sample.py

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+#!/usr/bin/python
+# William Lam
+# www.virtuallyghetto.com
+
+"""
+vSphere Python SDK program for demonstrating vSphere perfManager API based on Rbvmomi sample https://gist.github.com/toobulkeh/6124975
+"""
+
+from optparse import OptionParser, make_option
+from pyVim.connect import SmartConnect, Disconnect
+from pyVmomi import vmodl
+from pyVmomi import vim
+from datetime import timedelta
+
+import argparse
+import atexit
+import sys
+import datetime
+
+def GetArgs():
+    """
+   Supports the command-line arguments listed below.
+   """
+    parser = argparse.ArgumentParser(description='Process args for retrieving all the Virtual Machines')
+    parser.add_argument('-s', '--host', required=True, action='store', help='Remote host to connect to')
+    parser.add_argument('-o', '--port', type=int, default=443, action='store', help='Port to connect on')
+    parser.add_argument('-u', '--user', required=True, action='store', help='User name to use when connecting to host')
+    parser.add_argument('-p', '--password', required=True, action='store', help='Password to use when connecting to host')
+    parser.add_argument('-x', '--vihost', required=True, action='store', help='Name of ESXi host as seen in vCenter Server')
+    args = parser.parse_args()
+    return args
+
+def main():
+    """
+   Simple command-line program demonstrating vSphere perfManager API
+   """
+
+    args = GetArgs()
+    try:
+        si = None
+        try:
+            si = SmartConnect(host=args.host,
+                              user=args.user,
+                              pwd=args.password,
+                              port=int(args.port))
+        except IOError, e:
+            pass
+        if not si:
+            print "Could not connect to the specified host using specified username and password"
+            return -1
+
+        atexit.register(Disconnect, si)
+
+        content = si.RetrieveContent()
+
+        searchIndex = content.searchIndex
+        # quick/dirty way to find an ESXi host
+        host = searchIndex.FindByDnsName(dnsName=args.vihost, vmSearch=False)
+
+        perfManager = content.perfManager
+        metricId = vim.PerformanceManager.MetricId(counterId=6, instance="*")
+        startTime = datetime.datetime.now()-datetime.timedelta(hours=1)
+        endTime = datetime.datetime.now()
+        query = vim.PerformanceManager.QuerySpec(maxSample=1, entity=host, metricId=[metricId], startTime=startTime, endTime=endTime)
+        perfResults = perfManager.QueryPerf(querySpec=[query])
+        print perfResults
+
+    except vmodl.MethodFault, e:
+        print "Caught vmodl fault : " + e.msg
+        return -1
+    except Exception, e:
+        print "Caught exception : " + str(e)
+        return -1
+
+    return 0
+
+# Start program
+if __name__ == "__main__":
+    main()