[chassis]Add fabric counter cli commands (sonic-net#1860)

Add fabric counters CLI commands.

Commands are:
show fabric counters port
show fabric counters port -n asic4
show fabric counters port -n asic5 -e
show fabric counters queue
show fabric counters queue -n asic4

Signed-off-by: Maxime Lorrillere <[email protected]>

Author: mlorrillere

scripts/fabricstat

@@ -0,0 +1,217 @@
+#!/usr/bin/env python3
+
+import argparse
+from collections import OrderedDict, namedtuple
+import os
+import sys
+
+from utilities_common import constants
+from natsort import natsorted
+from tabulate import tabulate
+from sonic_py_common import multi_asic
+from swsscommon.swsscommon import APP_FABRIC_PORT_TABLE_NAME, COUNTERS_TABLE, COUNTERS_FABRIC_PORT_NAME_MAP, COUNTERS_FABRIC_QUEUE_NAME_MAP
+import utilities_common.multi_asic as multi_asic_util
+
+# mock the redis for unit test purposes #
+try:
+    if os.environ["UTILITIES_UNIT_TESTING"] == "2":
+        modules_path = os.path.join(os.path.dirname(__file__), "..")
+        tests_path = os.path.join(modules_path, "tests")
+        sys.path.insert(0, modules_path)
+        sys.path.insert(0, tests_path)
+        import mock_tables.dbconnector
+    if os.environ["UTILITIES_UNIT_TESTING_TOPOLOGY"] == "multi_asic":
+        import mock_tables.mock_multi_asic
+        mock_tables.dbconnector.load_namespace_config()
+except KeyError:
+    pass
+
+PORT_NAME_PREFIX = 'PORT'
+COUNTER_TABLE_PREFIX = COUNTERS_TABLE+":"
+FABRIC_PORT_STATUS_TABLE_PREFIX = APP_FABRIC_PORT_TABLE_NAME+"|"
+FABRIC_PORT_STATUS_FIELD = "STATUS"
+STATUS_NA = 'N/A'
+
+class FabricStat(object):
+    def __init__(self, namespace):
+        self.db = None
+        self.namespace = namespace
+        self.multi_asic = multi_asic_util.MultiAsic(constants.DISPLAY_ALL, namespace)
+
+    def get_cnstat_dict(self):
+        self.cnstat_dict = OrderedDict()
+        self.collect_stat()
+        return self.cnstat_dict
+
+    @multi_asic_util.run_on_multi_asic
+    def collect_stat(self):
+        """
+        Collect the statisitics from all the asics present on the
+        device and store in a dict
+        """
+        self.cnstat_dict.update(self.get_cnstat())
+
+    def get_port_state(self, port_name):
+        """
+        Get the port state
+        """
+        full_table_id = FABRIC_PORT_STATUS_TABLE_PREFIX + port_name
+        oper_state = self.db.get(self.db.STATE_DB, full_table_id, FABRIC_PORT_STATUS_FIELD)
+        if oper_state is not None:
+            return oper_state
+        return STATUS_NA
+
+    def get_counters(self, counter_bucket_dict, table_id):
+        fields = ["0"] * len(counter_bucket_dict)
+        for pos, counter_name in counter_bucket_dict.items():
+            full_table_id = COUNTER_TABLE_PREFIX + table_id
+            counter_data = self.db.get(self.db.COUNTERS_DB, full_table_id, counter_name)
+            if counter_data is None:
+                 fields[pos] = STATUS_NA
+            elif fields[pos] != STATUS_NA:
+                fields[pos] = str(int(fields[pos]) + int(counter_data))
+        return fields
+
+    def get_cnstat(self):
+        """
+        Get the counters info from database.
+        """
+        assert False, 'Need to override this method'
+
+    def cnstat_print(self, cnstat_dict, errors_only=False):
+        """
+        Print the counter stat.
+        """
+        assert False, 'Need to override this method'
+
+PortStat = namedtuple("PortStat", "in_cell, in_octet, out_cell, out_octet,\
+                               crc, fec_correctable, fec_uncorrectable, symbol_err")
+port_counter_bucket_list = [
+    'SAI_PORT_STAT_IF_IN_FABRIC_DATA_UNITS',
+    'SAI_PORT_STAT_IF_IN_OCTETS',
+    'SAI_PORT_STAT_IF_OUT_FABRIC_DATA_UNITS',
+    'SAI_PORT_STAT_IF_OUT_OCTETS',
+    'SAI_PORT_STAT_IF_IN_ERRORS',
+    'SAI_PORT_STAT_IF_IN_FEC_CORRECTABLE_FRAMES',
+    'SAI_PORT_STAT_IF_IN_FEC_NOT_CORRECTABLE_FRAMES',
+    'SAI_PORT_STAT_IF_IN_FEC_SYMBOL_ERRORS',
+    ]
+port_counter_bucket_dict = {k : v for k, v in enumerate(port_counter_bucket_list)}
+
+portstat_header_all = ['ASIC', 'PORT', 'STATE',
+                       'IN_CELL', 'IN_OCTET', 'OUT_CELL', 'OUT_OCTET',
+                       'CRC', 'FEC_CORRECTABLE', 'FEC_UNCORRECTABLE', 'SYMBOL_ERR']
+portstat_header_errors_only = ['ASIC', 'PORT', 'STATE',
+                               'CRC', 'FEC_CORRECTABLE', 'FEC_UNCORRECTABLE', 'SYMBOL_ERR']
+
+class FabricPortStat(FabricStat):
+    def get_cnstat(self):
+        counter_port_name_map = self.db.get_all(self.db.COUNTERS_DB, COUNTERS_FABRIC_PORT_NAME_MAP)
+        cnstat_dict = OrderedDict()
+        if counter_port_name_map is None:
+            return cnstat_dict
+        for port_name in natsorted(counter_port_name_map):
+            cntr = self.get_counters(port_counter_bucket_dict, counter_port_name_map[port_name])
+            cnstat_dict[port_name] = PortStat._make(cntr)
+        return cnstat_dict
+
+    def cnstat_print(self, cnstat_dict, errors_only=False):
+        if len(cnstat_dict) == 0:
+            print("Counters %s empty" % self.namespace)
+            return
+
+        table = []
+        header = None
+        asic = multi_asic.get_asic_id_from_name(self.namespace)
+        for key, data in cnstat_dict.items():
+            port_id = key[len(PORT_NAME_PREFIX):]
+            if errors_only:
+                header = portstat_header_errors_only
+                table.append((asic, port_id, self.get_port_state(key),
+                              data.crc, data.fec_correctable, data.fec_uncorrectable,
+                              data.symbol_err))
+            else:
+                header = portstat_header_all
+                table.append((asic, port_id, self.get_port_state(key),
+                              data.in_cell, data.in_octet, data.out_cell, data.out_octet,
+                              data.crc, data.fec_correctable, data.fec_uncorrectable,
+                              data.symbol_err))
+
+        print(tabulate(table, header, tablefmt='simple', stralign='right'))
+        print()
+
+QueueStat = namedtuple("QueueStat", "curlevel, watermarklevel, curbyte")
+
+queue_counter_bucket_list = [
+    'SAI_QUEUE_STAT_CURR_OCCUPANCY_LEVEL',
+    'SAI_QUEUE_STAT_WATERMARK_LEVEL',
+    'SAI_QUEUE_STAT_CURR_OCCUPANCY_BYTES',
+]
+queue_counter_bucket_dict = {k : v for k, v in enumerate(queue_counter_bucket_list)}
+
+queuestat_header = ['ASIC', 'PORT', 'STATE', 'QUEUE_ID', 'CURRENT_BYTE', 'CURRENT_LEVEL', 'WATERMARK_LEVEL']
+
+class FabricQueueStat(FabricStat):
+    def get_cnstat(self):
+        counter_queue_name_map = self.db.get_all(self.db.COUNTERS_DB, COUNTERS_FABRIC_QUEUE_NAME_MAP)
+        cnstat_dict = OrderedDict()
+        if counter_queue_name_map is None:
+            return cnstat_dict
+        for port_queue_name in natsorted(counter_queue_name_map):
+            cntr = self.get_counters(queue_counter_bucket_dict, counter_queue_name_map[port_queue_name])
+            cnstat_dict[port_queue_name] = QueueStat._make(cntr)
+        return cnstat_dict
+
+    def cnstat_print(self, cnstat_dict, errors_only=False):
+        if len(cnstat_dict) == 0:
+            print("Counters %s empty" % self.namespace)
+            return
+
+        table = []
+        asic = multi_asic.get_asic_id_from_name(self.namespace)
+        for key, data in cnstat_dict.items():
+            port_name, queue_id = key.split(':')
+            port_id = port_name[len(PORT_NAME_PREFIX):]
+            table.append((asic, port_id, self.get_port_state(port_name), queue_id,
+                          data.curbyte, data.curlevel, data.watermarklevel))
+
+        print(tabulate(table, queuestat_header, tablefmt='simple', stralign='right'))
+        print()
+
+def main():
+    parser  = argparse.ArgumentParser(description='Display the fabric port state and counters',
+                                      formatter_class=argparse.RawTextHelpFormatter,
+                                      epilog="""
+Examples:
+    fabricstat
+    fabricstat --namespace asic0
+    fabricstat -p -n asic0 -e
+    fabricstat -q
+    fabricstat -q -n asic0
+""")
+
+    parser.add_argument('-q','--queue', action='store_true', help='Display fabric queue stat, otherwise port stat')
+    parser.add_argument('-n','--namespace', default=None, help='Display fabric ports counters for specific namespace')
+    parser.add_argument('-e', '--errors', action='store_true', help='Display errors')
+
+    args = parser.parse_args()
+    queue = args.queue
+    namespace = args.namespace
+    errors_only = args.errors
+
+    def nsStat(ns, errors_only):
+        stat = FabricQueueStat(ns) if queue else FabricPortStat(ns)
+        cnstat_dict = stat.get_cnstat_dict()
+        stat.cnstat_print(cnstat_dict, errors_only)
+
+    if namespace is None:
+        # All asics or all fabric asics
+        multi_asic = multi_asic_util.MultiAsic()
+        for ns in multi_asic.get_ns_list_based_on_options():
+            nsStat(ns, errors_only)
+    else:
+        # Asic with namespace
+        nsStat(namespace, errors_only)
+
+if __name__ == "__main__":
+    main()

setup.py

@@ -97,6 +97,7 @@
         'scripts/dropstat',
         'scripts/dump_nat_entries.py',
         'scripts/ecnconfig',
+        'scripts/fabricstat',
         'scripts/fanshow',
         'scripts/fast-reboot',
         'scripts/fast-reboot-dump.py',

show/fabric.py

@@ -0,0 +1,35 @@
+import click
+
+import utilities_common.multi_asic as multi_asic_util
+import utilities_common.cli as clicommon
+
+@click.group(cls=clicommon.AliasedGroup)
+def fabric():
+    """Show fabric information"""
+    pass
+
+@fabric.group(invoke_without_command=True)
+def counters():
+    """Show fabric port counters"""
+    pass
+
+@counters.command()
+@multi_asic_util.multi_asic_click_option_namespace
+@click.option('-e', '--errors', is_flag=True)
+def port(namespace, errors):
+    """Show fabric port stat"""
+    cmd = "fabricstat"
+    if namespace is not None:
+        cmd += " -n {}".format(namespace)
+    if errors:
+        cmd += " -e"
+    clicommon.run_command(cmd)
+
+@counters.command()
+@multi_asic_util.multi_asic_click_option_namespace
+def queue(namespace):
+    """Show fabric queue stat"""
+    cmd = "fabricstat -q"
+    if namespace is not None:
+        cmd += " -n {}".format(namespace)
+    clicommon.run_command(cmd)

show/main.py

@@ -41,6 +41,7 @@
 from . import bgp_common
 from . import chassis_modules
 from . import dropcounters
+from . import fabric
 from . import feature
 from . import fgnhg
 from . import flow_counters
@@ -263,6 +264,7 @@ def cli(ctx):
 cli.add_command(acl.acl)
 cli.add_command(chassis_modules.chassis)
 cli.add_command(dropcounters.dropcounters)
+cli.add_command(fabric.fabric)
 cli.add_command(feature.feature)
 cli.add_command(fgnhg.fgnhg)
 cli.add_command(flow_counters.flowcnt_route)