Correct several bugs from refactor

client-common/client_lib/common.py

@@ -174,6 +174,32 @@ def verifyNode(zk_conn, node):
         click.echo('ERROR: No node named "{}" is present in the cluster.'.format(node))
         exit(1)
 
+#
+# Get the list of valid target hypervisors
+#
+def getHypervisors(zk_conn, dom_uuid):
+    valid_hypervisor_list = []
+    full_hypervisor_list = zk_conn.get_children('/nodes')
+
+    try:
+        current_hypervisor = zk_conn.get('/domains/{}/hypervisor'.format(dom_uuid))[0].decode('ascii')
+    except:
+        current_hypervisor = None
+
+    for hypervisor in full_hypervisor_list:
+        daemon_state = zk_conn.get('/nodes/{}/daemonstate'.format(hypervisor))[0].decode('ascii')
+        domain_state = zk_conn.get('/nodes/{}/domainstate'.format(hypervisor))[0].decode('ascii')
+
+        if hypervisor == current_hypervisor:
+            continue
+
+        if daemon_state != 'run' or domain_state != 'ready':
+            continue
+
+        valid_hypervisor_list.append(hypervisor)
+
+    return valid_hypervisor_list
+    
 #
 # Find a migration target
 #