Port speed set utility (sonic-net#174)

* Add portconfig utility

Signed-off-by: Andriy Moroz <c_andriym@mellanox.com>

* Fix units conversion in scripts/intfutil

Signed-off-by: Andriy Moroz <c_andriym@mellanox.com>

* Remove old script

Signed-off-by: Andriy Moroz <c_andriym@mellanox.com>

config/main.py

@@ -371,6 +371,19 @@ def startup(interface_name, verbose):
     command = "ip link set {} up".format(interface_name)
     run_command(command, display_cmd=verbose)
 
+#
+# 'speed' subcommand
+#
+
+@interface.command()
+@click.argument('interface_name', metavar='<interface_name>', required=True)
+@click.argument('interface_speed', metavar='<interface_speed>', required=True)
+@click.option('-v', '--verbose', is_flag=True, help="Enable verbose output")
+def speed(interface_name, interface_speed, verbose):
+    """Set interface speed"""
+    command = "portconfig -p {} -s {}".format(interface_name, interface_speed)
+    if verbose: command += " -vv"
+    run_command(command, display_cmd=verbose)
 
 #
 # 'acl' group

scripts/intfutil

@@ -54,7 +54,7 @@ def db_port_status_get(db, intf_name, status_type):
         return "N/A"
 
     if status_type == PORT_SPEED and status != "N/A":
-       status = '{}G'.format(status[:2] if int(status) < 100000 else status[:3])
+       status = '{}G'.format(status[:-3])
 
     return status
 

scripts/portconfig

@@ -0,0 +1,78 @@
+#!/usr/bin/python
+"""
+portconfig is the utility to show and change ECN configuration
+
+usage: portconfig [-h] [-v] [-s] [-p PROFILE] [-gmin GREEN_MIN]
+                 [-gmax GREEN_MAX] [-ymin YELLOW_MIN] [-ymax YELLOW_MAX]
+                 [-rmin RED_MIN] [-rmax RED_MAX] [-vv]
+
+optional arguments:
+  -h     --help                show this help message and exit
+  -v     --version             show program's version number and exit
+  -vv    --verbose             verbose output
+  -p'    --port                port name
+  -s     --speed               port speed in Mbits
+"""
+from __future__ import print_function
+
+import os
+import sys
+import json
+import argparse
+import swsssdk
+
+PORT_TABLE_NAME = "PORT"
+PORT_SPEED_CONFIG_FIELD_NAME = "speed"
+
+class portconfig(object):
+    """
+    Process aclstat
+    """
+    def __init__(self, verbose, port):
+        self.verbose = verbose
+
+        # Set up db connections
+        self.db = swsssdk.ConfigDBConnector()
+        self.db.connect()
+        # check whether table for this port exists
+        port_tables = self.db.get_table(PORT_TABLE_NAME)
+        if not port_tables.has_key(port):
+            raise Exception("Invalid port specified")
+
+    def list_params(self, port):
+        # chack whether table for this port exists
+        port_tables = self.db.get_table(PORT_TABLE_NAME)
+        if port_tables.has_key(port):
+            print(port_tables[port])
+
+    def set_speed(self, port, speed):
+        if self.verbose:
+            print("Setting speed %s on port %s" % (speed, port))
+        self.db.mod_entry(PORT_TABLE_NAME, port, {PORT_SPEED_CONFIG_FIELD_NAME: speed})
+
+def main():
+    parser = argparse.ArgumentParser(description='Set SONiC port parameters',
+                         version='1.0.0',
+                         formatter_class=argparse.RawTextHelpFormatter)
+    parser.add_argument('-p', '--port', type=str, help='port name (e.g. Ethernet0)', required=True, default=None)
+    parser.add_argument('-l', '--list', action='store_true', help='list port parametars', default=False)
+    parser.add_argument('-s', '--speed', type=int, help='port speed value in Mbit', default=None)
+    parser.add_argument('-vv', '--verbose', action='store_true', help='Verbose output', default=False)
+    args = parser.parse_args()
+
+    try:
+        port = portconfig(args.verbose, args.port)
+        if args.list:
+            port.list_params(args.port)
+        elif args.speed:
+            port.set_speed(args.port, args.speed)
+        else:
+            parser.print_help()
+            sys.exit(1)
+
+    except Exception as e:
+        print(e.message, file=sys.stderr)
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()

setup.py

@@ -47,6 +47,7 @@ def get_test_suite():
         'scripts/intfutil',
         'scripts/lldpshow',
         'scripts/port2alias',
+        'scripts/portconfig',
         'scripts/portstat',
         'scripts/teamshow'
     ],