Porting shell script get-vif.sh to python module get-vif.py for cisco ucsm module

quantum/plugins/cisco/get-vif.py

@@ -0,0 +1,37 @@
+import sys
+import subprocess
+
+
+def get_next_dynic(argv=[]):
+    cmd = ["ifconfig", "-a"]
+    f_cmd_output = subprocess.Popen(cmd, stdout=subprocess.PIPE).\
+                   communicate()[0]
+    eths = [lines.split(' ')[0] for lines in f_cmd_output.splitlines() \
+            if "eth" in lines]
+    #print eths
+    for eth in eths:
+        cmd = ["ethtool", "-i", eth]
+        f_cmd_output = subprocess.Popen(cmd, stdout=subprocess.PIPE).\
+                       communicate()[0]
+        bdf = [lines.split(' ')[1] for lines in f_cmd_output.splitlines() \
+               if "bus-info" in lines]
+        #print bdf
+        cmd = ["lspci", "-n", "-s", bdf[0]]
+        f_cmd_output = subprocess.Popen(cmd, stdout=subprocess.PIPE).\
+                       communicate()[0]
+        deviceid = [(lines.split(':')[3]).split(' ')[0] \
+                    for lines in f_cmd_output.splitlines()]
+        #print deviceid
+        if deviceid[0] == "0044":
+            cmd = ["/usr/sbin/ip", "link", "show", eth]
+            f_cmd_output = subprocess.Popen(cmd, stdout=subprocess.PIPE).\
+                           communicate()[0]
+            used = [lines for lines in f_cmd_output.splitlines() \
+                    if "UP" in lines]
+            if not used:
+                break
+    return eth
+
+if __name__ == '__main__':
+    nic = get_next_dynic(sys.argv)
+    print nic