Move python example programs into python/examples/ subdirectory

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

examples/dominfo.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python
+# dominfo - print some information about a domain
+
+import libvirt
+import sys
+import os
+import libxml2
+import pdb
+
+def usage():
+   print 'Usage: %s DOMAIN' % sys.argv[0]
+   print '       Print information about the domain DOMAIN'
+
+def print_section(title):
+    print "\n%s" % title
+    print "=" * 60
+
+def print_entry(key, value):
+    print "%-10s %-10s" % (key, value)
+
+def print_xml(key, ctx, path):
+    res = ctx.xpathEval(path)
+    if res is None or len(res) == 0:
+        value="Unknown"
+    else:
+        value = res[0].content
+    print_entry(key, value)
+    return value
+
+if len(sys.argv) != 2:
+    usage()
+    sys.exit(2)
+
+name = sys.argv[1]
+
+# Connect to libvirt
+conn = libvirt.openReadOnly(None)
+if conn is None:
+    print 'Failed to open connection to the hypervisor'
+    sys.exit(1)
+
+try:
+    dom = conn.lookupByName(name)
+    # Annoyiingly, libvirt prints its own error message here
+except libvirt.libvirtError:
+    print "Domain %s is not running" % name
+    sys.exit(0)
+
+info = dom.info()
+print_section("Domain info")
+print_entry("State:", info[0])
+print_entry("MaxMem:", info[1])
+print_entry("UsedMem:", info[2])
+print_entry("VCPUs:", info[3])
+
+# Read some info from the XML desc
+xmldesc = dom.XMLDesc(0)
+doc = libxml2.parseDoc(xmldesc)
+ctx = doc.xpathNewContext()
+print_section("Kernel")
+print_xml("Type:", ctx, "/domain/os/type")
+print_xml("Kernel:", ctx, "/domain/os/kernel")
+print_xml("initrd:", ctx, "/domain/os/initrd")
+print_xml("cmdline:", ctx, "/domain/os/cmdline")
+
+print_section("Devices")
+devs = ctx.xpathEval("/domain/devices/*")
+for d in devs:
+    ctx.setContextNode(d)
+    #pdb.set_trace()
+    type = print_xml("Type:", ctx, "@type")
+    if type == "file":
+        print_xml("Source:", ctx, "source/@file")
+        print_xml("Target:", ctx, "target/@dev")
+    elif type == "block":
+        print_xml("Source:", ctx, "source/@dev")
+        print_xml("Target:", ctx, "target/@dev")
+    elif type == "bridge":
+        print_xml("Source:", ctx, "source/@bridge")
+        print_xml("MAC Addr:", ctx, "mac/@address")