perf: GENEVE tunnel test, l3 mode
[csit.git] / resources / libraries / python / VPPUtil.py
index 03d39d3..e343d38 100644 (file)
@@ -1,4 +1,4 @@
-# Copyright (c) 2019 Cisco and/or its affiliates.
+# Copyright (c) 2021 Cisco and/or its affiliates.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
 
 """VPP util library."""
 
-import binascii
-
 from robot.api import logger
 
 from resources.libraries.python.Constants import Constants
 from resources.libraries.python.DUTSetup import DUTSetup
-from resources.libraries.python.PapiExecutor import PapiExecutor
-from resources.libraries.python.ssh import exec_cmd_no_error
-from resources.libraries.python.topology import NodeType
+from resources.libraries.python.PapiExecutor import PapiSocketExecutor
+from resources.libraries.python.ssh import exec_cmd_no_error, exec_cmd
+from resources.libraries.python.topology import Topology, SocketType, NodeType
 
 
-class VPPUtil(object):
+class VPPUtil:
     """General class for any VPP related methods/functions."""
 
     @staticmethod
@@ -40,30 +38,41 @@ class VPPUtil(object):
         :type additional_cmds: tuple
         """
         def_setting_tb_displayed = {
-            'IPv6 FIB': 'ip6 fib',
-            'IPv4 FIB': 'ip fib',
-            'Interface IP': 'int addr',
-            'Interfaces': 'int',
-            'ARP': 'ip arp',
-            'Errors': 'err'
+            u"IPv6 FIB": u"ip6 fib",
+            u"IPv4 FIB": u"ip fib",
+            u"Interface IP": u"int addr",
+            u"Interfaces": u"int",
+            u"ARP": u"ip arp",
+            u"Errors": u"err"
         }
 
         if additional_cmds:
             for cmd in additional_cmds:
-                def_setting_tb_displayed['Custom Setting: {}'.format(cmd)] = cmd
+                def_setting_tb_displayed[f"Custom Setting: {cmd}"] = cmd
 
         for _, cmd in def_setting_tb_displayed.items():
-            command = 'vppctl sh {cmd}'.format(cmd=cmd)
+            command = f"vppctl sh {cmd}"
             exec_cmd_no_error(node, command, timeout=30, sudo=True)
 
     @staticmethod
-    def restart_vpp_service(node):
+    def restart_vpp_service(node, node_key=None):
         """Restart VPP service on the specified topology node.
 
+        Disconnect possibly connected PAPI executor.
+
         :param node: Topology node.
+        :param node_key: Topology node key.
         :type node: dict
+        :type node_key: str
         """
+        # Containers have a separate lifecycle, but better be safe.
+        PapiSocketExecutor.disconnect_all_sockets_by_node(node)
         DUTSetup.restart_service(node, Constants.VPP_UNIT)
+        if node_key:
+            Topology.add_new_socket(
+                node, SocketType.PAPI, node_key, Constants.SOCKSVR_PATH)
+            Topology.add_new_socket(
+                node, SocketType.STATS, node_key, Constants.SOCKSTAT_PATH)
 
     @staticmethod
     def restart_vpp_service_on_all_duts(nodes):
@@ -72,18 +81,27 @@ class VPPUtil(object):
         :param nodes: Topology nodes.
         :type nodes: dict
         """
-        for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                VPPUtil.restart_vpp_service(node)
+        for node_key, node in nodes.items():
+            if node[u"type"] == NodeType.DUT:
+                VPPUtil.restart_vpp_service(node, node_key)
 
     @staticmethod
-    def stop_vpp_service(node):
+    def stop_vpp_service(node, node_key=None):
         """Stop VPP service on the specified topology node.
 
+        Disconnect possibly connected PAPI executor.
+
         :param node: Topology node.
+        :param node_key: Topology node key.
         :type node: dict
+        :type node_key: str
         """
+        # Containers have a separate lifecycle, but better be safe.
+        PapiSocketExecutor.disconnect_all_sockets_by_node(node)
         DUTSetup.stop_service(node, Constants.VPP_UNIT)
+        if node_key:
+            Topology.del_node_socket_id(node, SocketType.PAPI, node_key)
+            Topology.del_node_socket_id(node, SocketType.STATS, node_key)
 
     @staticmethod
     def stop_vpp_service_on_all_duts(nodes):
@@ -92,9 +110,9 @@ class VPPUtil(object):
         :param nodes: Topology nodes.
         :type nodes: dict
         """
-        for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                VPPUtil.stop_vpp_service(node)
+        for node_key, node in nodes.items():
+            if node[u"type"] == NodeType.DUT:
+                VPPUtil.stop_vpp_service(node, node_key)
 
     @staticmethod
     def verify_vpp_installed(node):
@@ -103,9 +121,19 @@ class VPPUtil(object):
         :param node: Topology node.
         :type node: dict
         """
-        cmd = 'command -v vpp'
+        DUTSetup.verify_program_installed(node, u"vpp")
+
+    @staticmethod
+    def adjust_privileges(node):
+        """Adjust privileges to control VPP without sudo.
+
+        :param node: Topology node.
+        :type node: dict
+        """
+        cmd = u"chmod -R o+rwx /run/vpp"
         exec_cmd_no_error(
-            node, cmd, message='VPP is not installed!')
+            node, cmd, sudo=True, message=u"Failed to adjust privileges!",
+            retries=120)
 
     @staticmethod
     def verify_vpp_started(node):
@@ -114,27 +142,41 @@ class VPPUtil(object):
         :param node: Topology node.
         :type node: dict
         """
-        cmd = ('vppctl show pci 2>&1 | '
-               'fgrep -v "Connection refused" | '
-               'fgrep -v "No such file or directory"')
+        cmd = u"echo \"show pci\" | sudo socat - UNIX-CONNECT:/run/vpp/cli.sock"
+        exec_cmd_no_error(
+            node, cmd, sudo=False, message=u"VPP failed to start!", retries=120
+        )
+
+        cmd = u"vppctl show pci 2>&1 | fgrep -v \"Connection refused\" | " \
+              u"fgrep -v \"No such file or directory\""
         exec_cmd_no_error(
-            node, cmd, sudo=True, message='VPP failed to start!', retries=120)
+            node, cmd, sudo=True, message=u"VPP failed to start!", retries=120
+        )
+
+        # Properly enable cards in case they were disabled. This will be
+        # followed in https://jira.fd.io/browse/VPP-1934.
+        cmd = u"for i in $(sudo vppctl sho int | grep Eth | cut -d' ' -f1); do"\
+              u" sudo vppctl set int sta $i up; done"
+        exec_cmd(node, cmd, sudo=False)
 
     @staticmethod
     def verify_vpp(node):
         """Verify that VPP is installed and started on the specified topology
-        node.
+        node. Adjust privileges so user can connect without sudo.
 
         :param node: Topology node.
         :type node: dict
         :raises RuntimeError: If VPP service fails to start.
         """
-        VPPUtil.verify_vpp_installed(node)
+        DUTSetup.verify_program_installed(node, 'vpp')
         try:
-            # Verify responsivness of vppctl.
+            # Verify responsiveness of vppctl.
             VPPUtil.verify_vpp_started(node)
-            # Verify responsivness of PAPI.
+            # Adjust privileges.
+            VPPUtil.adjust_privileges(node)
+            # Verify responsiveness of PAPI.
             VPPUtil.show_log(node)
+            VPPUtil.vpp_show_version(node)
         finally:
             DUTSetup.get_service_logs(node, Constants.VPP_UNIT)
 
@@ -146,32 +188,33 @@ class VPPUtil(object):
         :type nodes: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 VPPUtil.verify_vpp(node)
 
     @staticmethod
-    def vpp_show_version(node, verbose=True):
+    def vpp_show_version(
+            node, remote_vpp_socket=Constants.SOCKSVR_PATH, log=True):
         """Run "show_version" PAPI command.
 
+        Socket is configurable, so VPP inside container can be accessed.
+
         :param node: Node to run command on.
-        :param verbose: Show version, compile date and compile location if True
-            otherwise show only version.
+        :param remote_vpp_socket: Path to remote socket to target VPP.
+        :param log: If true, show the result in Robot log.
         :type node: dict
-        :type verbose: bool
+        :type remote_vpp_socket: str
+        :type log: bool
         :returns: VPP version.
         :rtype: str
+        :raises RuntimeError: If PAPI connection fails.
+        :raises AssertionError: If PAPI retcode is nonzero.
         """
-        with PapiExecutor(node) as papi_exec:
-            data = papi_exec.add('show_version').get_replies().verify_reply()
-        version = ('VPP version:      {ver}\n'.
-                   format(ver=data['version'].rstrip('\0x00')))
-        if verbose:
-            version += ('Compile date:     {date}\n'
-                        'Compile location: {cl}\n '.
-                        format(date=data['build_date'].rstrip('\0x00'),
-                               cl=data['build_directory'].rstrip('\0x00')))
-        logger.info(version)
-        return data['version'].rstrip('\0x00')
+        cmd = u"show_version"
+        with PapiSocketExecutor(node, remote_vpp_socket) as papi_exec:
+            reply = papi_exec.add(cmd).get_reply()
+        if log:
+            logger.info(f"VPP version: {reply[u'version']}\n")
+        return f"{reply[u'version']}"
 
     @staticmethod
     def show_vpp_version_on_all_duts(nodes):
@@ -181,7 +224,7 @@ class VPPUtil(object):
         :type nodes: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 VPPUtil.vpp_show_version(node)
 
     @staticmethod
@@ -192,28 +235,27 @@ class VPPUtil(object):
         :type node: dict
         """
 
-        cmd = 'sw_interface_dump'
-        cmd_reply = 'sw_interface_details'
-        args = dict(name_filter_valid=0, name_filter='')
-        err_msg = 'Failed to get interface dump on host {host}'.format(
-            host=node['host'])
-        with PapiExecutor(node) as papi_exec:
-            papi_resp = papi_exec.add(cmd, **args).get_replies(err_msg)
-
-        papi_if_dump = papi_resp.reply[0]['api_reply']
-
-        if_data = list()
-        for item in papi_if_dump:
-            data = item[cmd_reply]
-            data['interface_name'] = data['interface_name'].rstrip('\x00')
-            data['tag'] = data['tag'].rstrip('\x00')
-            data['l2_address'] = str(':'.join(binascii.hexlify(
-                data['l2_address'])[i:i + 2] for i in range(0, 12, 2)).
-                                     decode('ascii'))
-            if_data.append(data)
+        cmd = u"sw_interface_dump"
+        args = dict(
+            name_filter_valid=False,
+            name_filter=u""
+        )
+        err_msg = f"Failed to get interface dump on host {node[u'host']}"
+        with PapiSocketExecutor(node) as papi_exec:
+            details = papi_exec.add(cmd, **args).get_details(err_msg)
+
+        for if_dump in details:
+            if_dump[u"l2_address"] = str(if_dump[u"l2_address"])
+            if_dump[u"b_dmac"] = str(if_dump[u"b_dmac"])
+            if_dump[u"b_smac"] = str(if_dump[u"b_smac"])
+            if_dump[u"flags"] = if_dump[u"flags"].value
+            if_dump[u"type"] = if_dump[u"type"].value
+            if_dump[u"link_duplex"] = if_dump[u"link_duplex"].value
+            if_dump[u"sub_if_flags"] = if_dump[u"sub_if_flags"].value \
+                if hasattr(if_dump[u"sub_if_flags"], u"value") \
+                else int(if_dump[u"sub_if_flags"])
         # TODO: return only base data
-        logger.trace('Interface data of host {host}:\n{if_data}'.format(
-            host=node['host'], if_data=if_data))
+        logger.trace(f"Interface data of host {node[u'host']}:\n{details}")
 
     @staticmethod
     def vpp_enable_traces_on_dut(node, fail_on_error=False):
@@ -226,14 +268,15 @@ class VPPUtil(object):
         :type fail_on_error: bool
         """
         cmds = [
-            "trace add dpdk-input 50",
-            "trace add vhost-user-input 50",
-            "trace add memif-input 50"
+            u"trace add dpdk-input 50",
+            u"trace add vhost-user-input 50",
+            u"trace add memif-input 50",
+            u"trace add avf-input 50"
         ]
 
         for cmd in cmds:
             try:
-                PapiExecutor.run_cli_cmd(node, cmd)
+                PapiSocketExecutor.run_cli_cmd_on_all_sockets(node, cmd)
             except AssertionError:
                 if fail_on_error:
                     raise
@@ -249,17 +292,23 @@ class VPPUtil(object):
         :type fail_on_error: bool
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 VPPUtil.vpp_enable_traces_on_dut(node, fail_on_error)
 
     @staticmethod
-    def vpp_enable_elog_traces_on_dut(node):
-        """Enable API/CLI/Barrier traces on the DUT node.
+    def vpp_enable_elog_traces(node):
+        """Enable API/CLI/Barrier traces on the specified topology node.
 
-        :param node: DUT node to set up.
+        :param node: Topology node.
         :type node: dict
         """
-        PapiExecutor.run_cli_cmd(node, "elog trace api cli barrier")
+        try:
+            PapiSocketExecutor.run_cli_cmd_on_all_sockets(
+                node, u"event-logger trace api cli barrier")
+        except AssertionError:
+            # Perhaps an older VPP build is tested.
+            PapiSocketExecutor.run_cli_cmd_on_all_sockets(
+                node, u"elog trace api cli barrier")
 
     @staticmethod
     def vpp_enable_elog_traces_on_all_duts(nodes):
@@ -269,17 +318,18 @@ class VPPUtil(object):
         :type nodes: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                VPPUtil.vpp_enable_elog_traces_on_dut(node)
+            if node[u"type"] == NodeType.DUT:
+                VPPUtil.vpp_enable_elog_traces(node)
 
     @staticmethod
-    def show_event_logger_on_dut(node):
-        """Show event logger on the DUT node.
+    def show_event_logger(node):
+        """Show event logger on the specified topology node.
 
-        :param node: DUT node to show traces on.
+        :param node: Topology node.
         :type node: dict
         """
-        PapiExecutor.run_cli_cmd(node, "show event-logger")
+        PapiSocketExecutor.run_cli_cmd_on_all_sockets(
+            node, u"show event-logger")
 
     @staticmethod
     def show_event_logger_on_all_duts(nodes):
@@ -289,19 +339,28 @@ class VPPUtil(object):
         :type nodes: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                VPPUtil.show_event_logger_on_dut(node)
+            if node[u"type"] == NodeType.DUT:
+                VPPUtil.show_event_logger(node)
 
     @staticmethod
     def show_log(node):
-        """Show log on the specified topology node.
+        """Show logging on the specified topology node.
 
         :param node: Topology node.
         :type node: dict
-        :returns: VPP log data.
-        :rtype: list
         """
-        return PapiExecutor.run_cli_cmd(node, "show log")["reply"]
+        PapiSocketExecutor.run_cli_cmd(node, u"show logging")
+
+    @staticmethod
+    def show_log_on_all_duts(nodes):
+        """Show logging on all DUTs in the given topology.
+
+        :param nodes: Nodes in the topology.
+        :type nodes: dict
+        """
+        for node in nodes.values():
+            if node[u"type"] == NodeType.DUT:
+                VPPUtil.show_log(node)
 
     @staticmethod
     def vpp_show_threads(node):
@@ -312,19 +371,34 @@ class VPPUtil(object):
         :returns: VPP thread data.
         :rtype: list
         """
-        with PapiExecutor(node) as papi_exec:
-            data = papi_exec.add('show_threads').get_replies().\
-                verify_reply()["thread_data"]
-
-        threads_data = list()
-        for thread in data:
-            thread_data = list()
-            for item in thread:
-                if isinstance(item, unicode):
-                    item = item.rstrip('\x00')
-                thread_data.append(item)
-            threads_data.append(thread_data)
+        cmd = u"show_threads"
+        with PapiSocketExecutor(node) as papi_exec:
+            reply = papi_exec.add(cmd).get_reply()
 
-        logger.info("show threads:\n{threads}".format(threads=threads_data))
+        threads_data = reply[u"thread_data"]
+        logger.trace(f"show threads:\n{threads_data}")
 
         return threads_data
+
+    @staticmethod
+    def vpp_add_graph_node_next(node, graph_node_name, graph_next_name):
+        """Set the next node for a given node.
+
+        :param node: Node to run command on.
+        :param graph_node_name: Graph node to add the next node on.
+        :param graph_next_name: Graph node to add as the next node.
+        :type node: dict
+        :type graph_node_name: str
+        :type graph_next_name: str
+        :returns: The index of the next graph node.
+        :rtype: int
+        """
+        cmd = u"add_node_next"
+        args = dict(
+            node_name=graph_node_name,
+            next_name=graph_next_name
+        )
+        with PapiSocketExecutor(node) as papi_exec:
+            reply = papi_exec.add(cmd, **args).get_reply()
+
+        return reply[u"next_index"]