Python3: resources and libraries

Change-Id: I1392c06b1d64f62b141d24c0d42a8e36913b15e2
Signed-off-by: Jan Gelety <jgelety@cisco.com>

1 files changed, 165 insertions, 165 deletions

diff --git a/resources/libraries/python/KubernetesUtils.py b/resources/libraries/python/KubernetesUtils.py
index 029d635c72..d0d72a39a1 100644
--- a/resources/libraries/python/KubernetesUtils.py
+++ b/resources/libraries/python/KubernetesUtils.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2018 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
@@ -13,25 +13,27 @@
 
 """Library to control Kubernetes kubectl."""
 
+from functools import reduce
+from io import open
 from time import sleep
 
 from resources.libraries.python.Constants import Constants
-from resources.libraries.python.topology import NodeType
-from resources.libraries.python.ssh import SSH, exec_cmd_no_error
 from resources.libraries.python.CpuUtils import CpuUtils
+from resources.libraries.python.ssh import SSH, exec_cmd_no_error
+from resources.libraries.python.topology import NodeType
 from resources.libraries.python.VppConfigGenerator import VppConfigGenerator
 
-__all__ = ["KubernetesUtils"]
+__all__ = [u"KubernetesUtils"]
 
 # Maximum number of retries to check if PODs are running or deleted.
 MAX_RETRY = 48
 
-class KubernetesUtils(object):
+
+class KubernetesUtils:
     """Kubernetes utilities class."""
 
     def __init__(self):
         """Initialize KubernetesUtils class."""
-        pass
 
     @staticmethod
     def load_docker_image_on_node(node, image_path):
@@ -43,20 +45,18 @@ class KubernetesUtils(object):
         :type image_path: str
         :raises RuntimeError: If loading image failed on node.
         """
-        command = 'docker load -i {image_path}'.\
-            format(image_path=image_path)
-        message = 'Failed to load Docker image on {node}.'.\
-            format(node=node['host'])
-        exec_cmd_no_error(node, command, timeout=240, sudo=True,
-                          message=message)
-
-        command = "docker rmi $(sudo docker images -f 'dangling=true' -q)".\
-            format(image_path=image_path)
-        message = 'Failed to clean Docker images on {node}.'.\
-            format(node=node['host'])
+        command = f"docker load -i {image_path}"
+        message = f"Failed to load Docker image on {node[u'host']}."
+        exec_cmd_no_error(
+            node, command, timeout=240, sudo=True, message=message
+        )
+
+        command = u"docker rmi $(sudo docker images -f 'dangling=true' -q)"
+        message = f"Failed to clean Docker images on {node[u'host']}."
         try:
-            exec_cmd_no_error(node, command, timeout=240, sudo=True,
-                              message=message)
+            exec_cmd_no_error(
+                node, command, timeout=240, sudo=True, message=message
+            )
         except RuntimeError:
             pass
 
@@ -70,7 +70,7 @@ class KubernetesUtils(object):
         :type image_path: str
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 KubernetesUtils.load_docker_image_on_node(node, image_path)
 
     @staticmethod
@@ -84,16 +84,17 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        cmd = '{dir}/{lib}/k8s_setup.sh deploy_calico'\
-            .format(dir=Constants.REMOTE_FW_DIR,
-                    lib=Constants.RESOURCES_LIB_SH)
-        (ret_code, _, _) = ssh.exec_command(cmd, timeout=240)
+        cmd = f"{Constants.REMOTE_FW_DIR}/{Constants.RESOURCES_LIB_SH}/" \
+            f"k8s_setup.sh deploy_calico"
+        ret_code, _, _ = ssh.exec_command(cmd, timeout=240)
         if int(ret_code) != 0:
-            raise RuntimeError('Failed to setup Kubernetes on {node}.'
-                               .format(node=node['host']))
+            raise RuntimeError(
+                "Failed to setup Kubernetes on {node[u'host']}."
+            )
 
-        KubernetesUtils.wait_for_kubernetes_pods_on_node(node,
-                                                         nspace='kube-system')
+        KubernetesUtils.wait_for_kubernetes_pods_on_node(
+            node, nspace=u"kube-system"
+        )
 
     @staticmethod
     def setup_kubernetes_on_all_duts(nodes):
@@ -103,7 +104,7 @@ class KubernetesUtils(object):
         :type nodes: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 KubernetesUtils.setup_kubernetes_on_node(node)
 
     @staticmethod
@@ -117,13 +118,14 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        cmd = '{dir}/{lib}/k8s_setup.sh destroy'\
-            .format(dir=Constants.REMOTE_FW_DIR,
-                    lib=Constants.RESOURCES_LIB_SH)
-        (ret_code, _, _) = ssh.exec_command(cmd, timeout=120)
+        cmd = f"{Constants.REMOTE_FW_DIR}/{Constants.RESOURCES_LIB_SH}/" \
+            f"k8s_setup.sh destroy"
+
+        ret_code, _, _ = ssh.exec_command(cmd, timeout=120)
         if int(ret_code) != 0:
-            raise RuntimeError('Failed to destroy Kubernetes on {node}.'
-                               .format(node=node['host']))
+            raise RuntimeError(
+                f"Failed to destroy Kubernetes on {node[u'host']}."
+            )
 
     @staticmethod
     def destroy_kubernetes_on_all_duts(nodes):
@@ -133,7 +135,7 @@ class KubernetesUtils(object):
         :type nodes: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 KubernetesUtils.destroy_kubernetes_on_node(node)
 
     @staticmethod
@@ -151,19 +153,20 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        fqn_file = '{tpl}/{yaml}'.format(tpl=Constants.RESOURCES_TPL_K8S,
-                                         yaml=yaml_file)
+        fqn_file = f"{Constants.RESOURCES_TPL_K8S}/{yaml_file}"
         with open(fqn_file, 'r') as src_file:
             stream = src_file.read()
-            data = reduce(lambda a, kv: a.replace(*kv), kwargs.iteritems(),
-                          stream)
-            cmd = 'cat <<EOF | kubectl apply -f - \n{data}\nEOF'.format(
-                data=data)
-            (ret_code, _, _) = ssh.exec_command_sudo(cmd)
+            data = reduce(
+                lambda a, kv: a.replace(*kv), list(kwargs.items()), stream
+            )
+            cmd = f"cat <<EOF | kubectl apply -f - \n{data}\nEOF"
+
+            ret_code, _, _ = ssh.exec_command_sudo(cmd)
             if int(ret_code) != 0:
-                raise RuntimeError('Failed to apply Kubernetes template {yaml} '
-                                   'on {node}.'.format(yaml=yaml_file,
-                                                       node=node['host']))
+                raise RuntimeError(
+                    f"Failed to apply Kubernetes template {yaml_file} "
+                    f"on {node[u'host']}."
+                )
 
     @staticmethod
     def apply_kubernetes_resource_on_all_duts(nodes, yaml_file, **kwargs):
@@ -177,10 +180,10 @@ class KubernetesUtils(object):
         :type kwargs: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                KubernetesUtils.apply_kubernetes_resource_on_node(node,
-                                                                  yaml_file,
-                                                                  **kwargs)
+            if node[u"type"] == NodeType.DUT:
+                KubernetesUtils.apply_kubernetes_resource_on_node(
+                    node, yaml_file, **kwargs
+                )
 
     @staticmethod
     def create_kubernetes_cm_from_file_on_node(node, nspace, name, **kwargs):
@@ -199,21 +202,21 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        nspace = '-n {nspace}'.format(nspace=nspace) if nspace else ''
-
-        from_file = '{0}'.format(' '.join('--from-file={0}={1} '\
-            .format(key, kwargs[key]) for key in kwargs))
+        nspace = f"-n {nspace}" if nspace else u""
+        from_file = u" ".join(
+            f"--from-file={key}={kwargs[key]} " for key in kwargs
+        )
+        cmd = f"kubectl create {nspace} configmap {name} {from_file}"
 
-        cmd = 'kubectl create {nspace} configmap {name} {from_file}'\
-            .format(nspace=nspace, name=name, from_file=from_file)
-        (ret_code, _, _) = ssh.exec_command_sudo(cmd)
+        ret_code, _, _ = ssh.exec_command_sudo(cmd)
         if int(ret_code) != 0:
-            raise RuntimeError('Failed to create Kubernetes ConfigMap '
-                               'on {node}.'.format(node=node['host']))
+            raise RuntimeError(
+                f"Failed to create Kubernetes ConfigMap on {node[u'host']}."
+            )
 
     @staticmethod
-    def create_kubernetes_cm_from_file_on_all_duts(nodes, nspace, name,
-                                                   **kwargs):
+    def create_kubernetes_cm_from_file_on_all_duts(
+            nodes, nspace, name, **kwargs):
         """Create Kubernetes ConfigMap from file on all DUTs.
 
         :param nodes: Topology nodes.
@@ -226,15 +229,14 @@ class KubernetesUtils(object):
         :param kwargs: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                KubernetesUtils.create_kubernetes_cm_from_file_on_node(node,
-                                                                       nspace,
-                                                                       name,
-                                                                       **kwargs)
+            if node[u"type"] == NodeType.DUT:
+                KubernetesUtils.create_kubernetes_cm_from_file_on_node(
+                    node, nspace, name, **kwargs
+                )
 
     @staticmethod
-    def delete_kubernetes_resource_on_node(node, nspace, name=None,
-                                           rtype='po,cm,deploy,rs,rc,svc'):
+    def delete_kubernetes_resource_on_node(
+            node, nspace, name=None, rtype=u"po,cm,deploy,rs,rc,svc"):
         """Delete Kubernetes resource on node.
 
         :param node: DUT node.
@@ -251,27 +253,28 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        name = '{name}'.format(name=name) if name else '--all'
-        nspace = '-n {nspace}'.format(nspace=nspace) if nspace else ''
+        name = f"{name}" if name else u"--all"
+        nspace = f"-n {nspace}" if nspace else u""
+        cmd = f"kubectl delete {nspace} {rtype} {name}"
 
-        cmd = 'kubectl delete {nspace} {rtype} {name}'\
-            .format(nspace=nspace, rtype=rtype, name=name)
-        (ret_code, _, _) = ssh.exec_command_sudo(cmd, timeout=120)
+        ret_code, _, _ = ssh.exec_command_sudo(cmd, timeout=120)
         if int(ret_code) != 0:
-            raise RuntimeError('Failed to delete Kubernetes resources '
-                               'on {node}.'.format(node=node['host']))
+            raise RuntimeError(
+                f"Failed to delete Kubernetes resources on {node[u'host']}."
+            )
 
-        cmd = 'kubectl get {nspace} pods --no-headers'\
-            .format(nspace=nspace)
+        cmd = f"kubectl get {nspace} pods --no-headers"
         for _ in range(MAX_RETRY):
-            (ret_code, stdout, stderr) = ssh.exec_command_sudo(cmd)
+            ret_code, stdout, stderr = ssh.exec_command_sudo(cmd)
             if int(ret_code) != 0:
-                raise RuntimeError('Failed to retrieve Kubernetes resources on '
-                                   '{node}.'.format(node=node['host']))
-            if name == '--all':
+                raise RuntimeError(
+                    f"Failed to retrieve Kubernetes resources "
+                    f"on {node[u'host']}."
+                )
+            if name == u"--all":
                 ready = False
                 for line in stderr.splitlines():
-                    if 'No resources found.' in line:
+                    if u"No resources found." in line:
                         ready = True
                 if ready:
                     break
@@ -279,9 +282,10 @@ class KubernetesUtils(object):
                 ready = False
                 for line in stdout.splitlines():
                     try:
-                        state = line.split()[1].split('/')
-                        ready = True if 'Running' in line and\
-                            state == state[::-1] else False
+                        state = line.split()[1].split(u"/")
+                        ready = bool(
+                            u"Running" in line and state == state[::-1]
+                        )
                         if not ready:
                             break
                     except (ValueError, IndexError):
@@ -290,12 +294,13 @@ class KubernetesUtils(object):
                     break
             sleep(5)
         else:
-            raise RuntimeError('Failed to delete Kubernetes resources on '
-                               '{node}.'.format(node=node['host']))
+            raise RuntimeError(
+                f"Failed to delete Kubernetes resources on {node[u'host']}."
+            )
 
     @staticmethod
-    def delete_kubernetes_resource_on_all_duts(nodes, nspace, name=None,
-                                               rtype='po,cm,deploy,rs,rc,svc'):
+    def delete_kubernetes_resource_on_all_duts(
+            nodes, nspace, name=None, rtype=u"po,cm,deploy,rs,rc,svc"):
         """Delete all Kubernetes resource on all DUTs.
 
         :param nodes: Topology nodes.
@@ -308,9 +313,10 @@ class KubernetesUtils(object):
         :type name: str
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                KubernetesUtils.delete_kubernetes_resource_on_node(node, nspace,
-                                                                   name, rtype)
+            if node[u"type"] == NodeType.DUT:
+                KubernetesUtils.delete_kubernetes_resource_on_node(
+                    node, nspace, name, rtype
+                )
 
     @staticmethod
     def describe_kubernetes_resource_on_node(node, nspace):
@@ -324,9 +330,9 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        nspace = '-n {nspace}'.format(nspace=nspace) if nspace else ''
+        nspace = f"-n {nspace}" if nspace else u""
+        cmd = f"kubectl describe {nspace} all"
 
-        cmd = 'kubectl describe {nspace} all'.format(nspace=nspace)
         ssh.exec_command_sudo(cmd)
 
     @staticmethod
@@ -339,9 +345,10 @@ class KubernetesUtils(object):
         :type nspace: str
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                KubernetesUtils.describe_kubernetes_resource_on_node(node,
-                                                                     nspace)
+            if node[u"type"] == NodeType.DUT:
+                KubernetesUtils.describe_kubernetes_resource_on_node(
+                    node, nspace
+                )
 
     @staticmethod
     def get_kubernetes_logs_on_node(node, nspace):
@@ -355,15 +362,16 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        nspace = '-n {nspace}'.format(nspace=nspace) if nspace else ''
+        nspace = f"-n {nspace}" if nspace else u""
+        cmd = f"for p in $(kubectl get pods {nspace} " \
+            f"-o jsonpath='{{.items[*].metadata.name}}'); do echo $p; " \
+            f"kubectl logs {nspace} $p; done"
 
-        cmd = "for p in $(kubectl get pods {nspace} -o jsonpath="\
-            "'{{.items[*].metadata.name}}'); do echo $p; kubectl logs "\
-            "{nspace} $p; done".format(nspace=nspace)
         ssh.exec_command(cmd)
 
-        cmd = "kubectl exec {nspace} etcdv3 -- etcdctl --endpoints "\
-            "\"localhost:22379\" get \"/\" --prefix=true".format(nspace=nspace)
+        cmd = f"kubectl exec {nspace} etcdv3 -- etcdctl " \
+            f"--endpoints \"localhost:22379\" get \"/\" --prefix=true"
+
         ssh.exec_command(cmd)
 
     @staticmethod
@@ -376,7 +384,7 @@ class KubernetesUtils(object):
         :type nspace: str
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 KubernetesUtils.get_kubernetes_logs_on_node(node, nspace)
 
     @staticmethod
@@ -392,20 +400,19 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        nspace = '-n {nspace}'.format(nspace=nspace) if nspace \
-            else '--all-namespaces'
+        nspace = f"-n {nspace}" if nspace else u"--all-namespaces"
+        cmd = f"kubectl get {nspace} pods --no-headers"
 
-        cmd = 'kubectl get {nspace} pods --no-headers' \
-            .format(nspace=nspace)
         for _ in range(MAX_RETRY):
-            (ret_code, stdout, _) = ssh.exec_command_sudo(cmd)
+            ret_code, stdout, _ = ssh.exec_command_sudo(cmd)
             if int(ret_code) == 0:
                 ready = False
                 for line in stdout.splitlines():
                     try:
-                        state = line.split()[1].split('/')
-                        ready = True if 'Running' in line and \
-                            state == state[::-1] else False
+                        state = line.split()[1].split(u"/")
+                        ready = bool(
+                            u"Running" in line and state == state[::-1]
+                        )
                         if not ready:
                             break
                     except (ValueError, IndexError):
@@ -414,8 +421,9 @@ class KubernetesUtils(object):
                     break
             sleep(5)
         else:
-            raise RuntimeError('Kubernetes PODs are not running on {node}.'
-                               .format(node=node['host']))
+            raise RuntimeError(
+                f"Kubernetes PODs are not running on {node[u'host']}."
+            )
 
     @staticmethod
     def wait_for_kubernetes_pods_on_all_duts(nodes, nspace):
@@ -427,7 +435,7 @@ class KubernetesUtils(object):
         :type nspace: str
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 KubernetesUtils.wait_for_kubernetes_pods_on_node(node, nspace)
 
     @staticmethod
@@ -440,9 +448,9 @@ class KubernetesUtils(object):
         ssh = SSH()
         ssh.connect(node)
 
-        cmd = '{dir}/{lib}/k8s_setup.sh affinity_non_vpp'\
-            .format(dir=Constants.REMOTE_FW_DIR,
-                    lib=Constants.RESOURCES_LIB_SH)
+        cmd = f"{Constants.REMOTE_FW_DIR}/{Constants.RESOURCES_LIB_SH}/" \
+            f"k8s_setup.sh affinity_non_vpp"
+
         ssh.exec_command(cmd)
 
     @staticmethod
@@ -453,7 +461,7 @@ class KubernetesUtils(object):
         :type nodes: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
+            if node[u"type"] == NodeType.DUT:
                 KubernetesUtils.set_kubernetes_pods_affinity_on_node(node)
 
     @staticmethod
@@ -463,44 +471,40 @@ class KubernetesUtils(object):
         :param kwargs: Key-value pairs used to create configuration.
         :param kwargs: dict
         """
-        smt_used = CpuUtils.is_smt_enabled(kwargs['node']['cpuinfo'])
-
-        cpuset_cpus = \
-            CpuUtils.cpu_slice_of_list_per_node(node=kwargs['node'],
-                                                cpu_node=kwargs['cpu_node'],
-                                                skip_cnt=2,
-                                                cpu_cnt=kwargs['phy_cores'],
-                                                smt_used=smt_used)
-        cpuset_main = \
-            CpuUtils.cpu_slice_of_list_per_node(node=kwargs['node'],
-                                                cpu_node=kwargs['cpu_node'],
-                                                skip_cnt=1,
-                                                cpu_cnt=1,
-                                                smt_used=smt_used)
+        smt_used = CpuUtils.is_smt_enabled(kwargs[u"node"][u"cpuinfo"])
+
+        cpuset_cpus = CpuUtils.cpu_slice_of_list_per_node(
+            node=kwargs[u"node"], cpu_node=kwargs[u"cpu_node"], skip_cnt=2,
+            cpu_cnt=kwargs[u"phy_cores"], smt_used=smt_used
+        )
+        cpuset_main = CpuUtils.cpu_slice_of_list_per_node(
+            node=kwargs[u"node"], cpu_node=kwargs[u"cpu_node"], skip_cnt=1,
+            cpu_cnt=1, smt_used=smt_used
+        )
 
         # Create config instance
         vpp_config = VppConfigGenerator()
-        vpp_config.set_node(kwargs['node'])
-        vpp_config.add_unix_cli_listen(value='0.0.0.0:5002')
+        vpp_config.set_node(kwargs[u"node"])
+        vpp_config.add_unix_cli_listen(value=u"0.0.0.0:5002")
         vpp_config.add_unix_nodaemon()
         vpp_config.add_socksvr()
-        vpp_config.add_heapsize('4G')
-        vpp_config.add_ip_heap_size('4G')
-        vpp_config.add_ip6_heap_size('4G')
-        vpp_config.add_ip6_hash_buckets('2000000')
-        if not kwargs['jumbo']:
+        vpp_config.add_heapsize(u"4G")
+        vpp_config.add_ip_heap_size(u"4G")
+        vpp_config.add_ip6_heap_size(u"4G")
+        vpp_config.add_ip6_hash_buckets(u"2000000")
+        if not kwargs[u"jumbo"]:
             vpp_config.add_dpdk_no_multi_seg()
         vpp_config.add_dpdk_no_tx_checksum_offload()
-        vpp_config.add_dpdk_dev_default_rxq(kwargs['rxq_count_int'])
-        vpp_config.add_dpdk_dev(kwargs['if1'], kwargs['if2'])
-        vpp_config.add_buffers_per_numa(kwargs['buffers_per_numa'])
+        vpp_config.add_dpdk_dev_default_rxq(kwargs[u"rxq_count_int"])
+        vpp_config.add_dpdk_dev(kwargs[u"if1"], kwargs[u"if2"])
+        vpp_config.add_buffers_per_numa(kwargs[u"buffers_per_numa"])
         # We will pop first core from list to be main core
         vpp_config.add_cpu_main_core(str(cpuset_main.pop(0)))
         # if this is not only core in list, the rest will be used as workers.
         if cpuset_cpus:
-            corelist_workers = ','.join(str(cpu) for cpu in cpuset_cpus)
+            corelist_workers = u",".join(str(cpu) for cpu in cpuset_cpus)
             vpp_config.add_cpu_corelist_workers(corelist_workers)
-        vpp_config.write_config(filename=kwargs['filename'])
+        vpp_config.write_config(filename=kwargs[u"filename"])
 
     @staticmethod
     def create_kubernetes_vnf_startup_config(**kwargs):
@@ -509,32 +513,28 @@ class KubernetesUtils(object):
         :param kwargs: Key-value pairs used to create configuration.
         :param kwargs: dict
         """
-        smt_used = CpuUtils.is_smt_enabled(kwargs['node']['cpuinfo'])
-        skip_cnt = kwargs['cpu_skip'] + (kwargs['i'] - 1) * \
-            (kwargs['phy_cores'] - 1)
-        cpuset_cpus = \
-            CpuUtils.cpu_slice_of_list_per_node(node=kwargs['node'],
-                                                cpu_node=kwargs['cpu_node'],
-                                                skip_cnt=skip_cnt,
-                                                cpu_cnt=kwargs['phy_cores']-1,
-                                                smt_used=smt_used)
-        cpuset_main = \
-            CpuUtils.cpu_slice_of_list_per_node(node=kwargs['node'],
-                                                cpu_node=kwargs['cpu_node'],
-                                                skip_cnt=1,
-                                                cpu_cnt=1,
-                                                smt_used=smt_used)
+        smt_used = CpuUtils.is_smt_enabled(kwargs[u"node"][u"cpuinfo"])
+        skip_cnt = kwargs[u"cpu_skip"] + (kwargs[u"i"] - 1) * \
+            (kwargs[u"phy_cores"] - 1)
+        cpuset_cpus = CpuUtils.cpu_slice_of_list_per_node(
+            node=kwargs[u"node"], cpu_node=kwargs[u"cpu_node"],
+            skip_cnt=skip_cnt, cpu_cnt=kwargs[u"phy_cores"]-1, smt_used=smt_used
+        )
+        cpuset_main = CpuUtils.cpu_slice_of_list_per_node(
+            node=kwargs[u"node"], cpu_node=kwargs[u"cpu_node"], skip_cnt=1,
+            cpu_cnt=1, smt_used=smt_used
+        )
         # Create config instance
         vpp_config = VppConfigGenerator()
-        vpp_config.set_node(kwargs['node'])
-        vpp_config.add_unix_cli_listen(value='0.0.0.0:5002')
+        vpp_config.set_node(kwargs[u"node"])
+        vpp_config.add_unix_cli_listen(value=u"0.0.0.0:5002")
         vpp_config.add_unix_nodaemon()
         vpp_config.add_socksvr()
         # We will pop first core from list to be main core
         vpp_config.add_cpu_main_core(str(cpuset_main.pop(0)))
         # if this is not only core in list, the rest will be used as workers.
         if cpuset_cpus:
-            corelist_workers = ','.join(str(cpu) for cpu in cpuset_cpus)
+            corelist_workers = u",".join(str(cpu) for cpu in cpuset_cpus)
             vpp_config.add_cpu_corelist_workers(corelist_workers)
-        vpp_config.add_plugin('disable', 'dpdk_plugin.so')
-        vpp_config.write_config(filename=kwargs['filename'])
+        vpp_config.add_plugin(u"disable", [u"dpdk_plugin.so"])
+        vpp_config.write_config(filename=kwargs[u"filename"])