removed vnode client netif stats, since was not being used

daemon/core/nodes/client.py

@@ -236,47 +236,3 @@ class VnodeClient(object):
         :rtype: tuple[int, str]
         """
         return self.cmd_output([sh, "-c", cmd])
-
-    def netifstats(self, ifname=None):
-        """
-        Retrieve network interface state.
-
-        :param str ifname: name of interface to get state for
-        :return: interface state information
-        :rtype: dict
-        """
-        stats = {}
-        args = ["cat", "/proc/net/dev"]
-        p, stdin, stdout, stderr = self.popen(args)
-        stdin.close()
-        # ignore first line
-        stdout.readline()
-        # second line has count names
-        tmp = stdout.readline().decode("utf-8").strip().split("|")
-        rxkeys = tmp[1].split()
-        txkeys = tmp[2].split()
-        for line in stdout:
-            line = line.decode("utf-8").strip().split()
-            devname, tmp = line[0].split(":")
-            if tmp:
-                line.insert(1, tmp)
-            stats[devname] = {"rx": {}, "tx": {}}
-            field = 1
-            for count in rxkeys:
-                stats[devname]["rx"][count] = int(line[field])
-                field += 1
-            for count in txkeys:
-                stats[devname]["tx"][count] = int(line[field])
-                field += 1
-        err = stderr.read()
-        stdout.close()
-        stderr.close()
-        status = p.wait()
-        if status:
-            logging.warning("nonzero exist status (%s) for cmd: %s", status, args)
-        if err:
-            logging.warning("error output: %s", err)
-        if ifname is not None:
-            return stats[ifname]
-        else:
-            return stats

daemon/tests/test_core.py

@@ -126,9 +126,6 @@ class TestCore:
         # check module methods
         assert createclients(session.session_dir)
 
-        # check convenience methods for interface information
-        assert client.netifstats()
-
     def test_netif(self, session, ip_prefixes):
         """
         Test netif methods.