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authorPeter Mikus <pmikus@cisco.com>2017-09-22 14:59:40 +0200
committerPeter Mikus <pmikus@cisco.com>2017-10-12 08:39:16 +0000
commit9a261ea61549fc6a5c23369d2e236b002dc35038 (patch)
tree8004f366007d3ee0210bbf099b71491bb412fe88 /resources/libraries/python
parentf2573eccd38609fbc3d44f1fb9c706d08e50d49c (diff)
CSIT-748 vnf-agent integration
CSIT-773 Implement RF keywords for k8s - Implementation of Test Suite Setup for Ligato vnf-agent testing - Implementation of KubernetesUtil for controlling kubectl - Yaml templates for L2XC topology with 1cswitch and 1cnf - Yaml templates for L2BD topology with 1cswitch and 1cnf - ligato bootstrap script for creating vnf-agent image Change-Id: Iebefde0eb984a27a0afcdf29fe549ca4edf8a61e Signed-off-by: Peter Mikus <pmikus@cisco.com>
Diffstat (limited to 'resources/libraries/python')
-rw-r--r--resources/libraries/python/ContainerUtils.py117
-rw-r--r--resources/libraries/python/InterfaceUtil.py41
-rw-r--r--resources/libraries/python/KubernetesUtils.py372
-rw-r--r--resources/libraries/python/VppConfigGenerator.py91
-rw-r--r--resources/libraries/python/constants.py3
5 files changed, 523 insertions, 101 deletions
diff --git a/resources/libraries/python/ContainerUtils.py b/resources/libraries/python/ContainerUtils.py
index fb2695fe44..b56fb0dc24 100644
--- a/resources/libraries/python/ContainerUtils.py
+++ b/resources/libraries/python/ContainerUtils.py
@@ -12,7 +12,7 @@
# limitations under the License.
# Bug workaround in pylint for abstract classes.
-#pylint: disable=W0223
+# pylint: disable=W0223
"""Library to manipulate Containers."""
@@ -93,11 +93,12 @@ class ContainerManager(object):
def construct_containers(self, **kwargs):
"""Construct 1..N container(s) on node with specified name.
+
Ordinal number is automatically added to the name of container as
suffix.
- :param kwargs: Name of container.
- :param kwargs: str
+ :param kwargs: Named parameters.
+ :param kwargs: dict
"""
name = kwargs['name']
for i in range(kwargs['count']):
@@ -311,7 +312,6 @@ class ContainerEngine(object):
# Create config instance
vpp_config = VppConfigGenerator()
vpp_config.set_node(self.container.node)
- vpp_config.set_config_filename(config_filename)
vpp_config.add_unix_cli_listen()
vpp_config.add_unix_nodaemon()
vpp_config.add_unix_exec('/tmp/running.exec')
@@ -326,15 +326,15 @@ class ContainerEngine(object):
self.execute('mkdir -p /etc/vpp/')
self.execute('echo "{c}" | tee {f}'
.format(c=vpp_config.get_config_str(),
- f=vpp_config.get_config_filename()))
+ f=config_filename))
- def create_vpp_exec_config(self, vat_template_file, **args):
+ def create_vpp_exec_config(self, vat_template_file, **kwargs):
"""Create VPP exec configuration on container.
:param vat_template_file: File name of a VAT template script.
- :param args: Parameters for VAT script.
+ :param kwargs: Parameters for VAT script.
:type vat_template_file: str
- :type args: dict
+ :type kwargs: dict
"""
vat_file_path = '{p}/{f}'.format(p=Constants.RESOURCES_TPL_VAT,
f=vat_template_file)
@@ -342,7 +342,7 @@ class ContainerEngine(object):
with open(vat_file_path, 'r') as template_file:
cmd_template = template_file.readlines()
for line_tmpl in cmd_template:
- vat_cmd = line_tmpl.format(**args)
+ vat_cmd = line_tmpl.format(**kwargs)
self.execute('echo "{c}" >> /tmp/running.exec'
.format(c=vat_cmd.replace('\n', '')))
@@ -354,6 +354,28 @@ class ContainerEngine(object):
"""Check if container is present."""
raise NotImplementedError
+ def _configure_cgroup(self, name):
+ """Configure the control group associated with a container.
+
+ :param name: Name of cgroup.
+ :type name: str
+ :raises RuntimeError: If applying cgroup settings via cgset failed.
+ """
+ ret, _, _ = self.container.ssh.exec_command_sudo(
+ 'cgcreate -g cpuset:/{name}'.format(name=name))
+ if int(ret) != 0:
+ raise RuntimeError('Failed to copy cgroup settings from root.')
+
+ ret, _, _ = self.container.ssh.exec_command_sudo(
+ 'cgset -r cpuset.cpu_exclusive=0 /{name}'.format(name=name))
+ if int(ret) != 0:
+ raise RuntimeError('Failed to apply cgroup settings.')
+
+ ret, _, _ = self.container.ssh.exec_command_sudo(
+ 'cgset -r cpuset.mem_exclusive=0 /{name}'.format(name=name))
+ if int(ret) != 0:
+ raise RuntimeError('Failed to apply cgroup settings.')
+
class LXC(ContainerEngine):
"""LXC implementation."""
@@ -363,8 +385,7 @@ class LXC(ContainerEngine):
super(LXC, self).__init__()
def acquire(self, force=True):
- """Acquire a privileged system object where configuration is stored and
- where user information can be stored.
+ """Acquire a privileged system object where configuration is stored.
:param force: If a container exists, destroy it and create a new
container.
@@ -398,6 +419,7 @@ class LXC(ContainerEngine):
if int(ret) != 0:
raise RuntimeError('Failed to write {c.name} config.'
.format(c=self.container))
+ self._configure_cgroup('lxc')
def create(self):
"""Create/deploy an application inside a container on system.
@@ -415,13 +437,25 @@ class LXC(ContainerEngine):
raise RuntimeError('Failed to start container {c.name}.'
.format(c=self.container))
self._lxc_wait('RUNNING')
- self._lxc_cgroup(state_object='cpuset.cpus',
- value=cpuset_cpus)
+
+ # Workaround for LXC to be able to allocate all cpus including isolated.
+ cmd = 'cgset --copy-from / lxc/'
+ ret, _, _ = self.container.ssh.exec_command_sudo(cmd)
+ if int(ret) != 0:
+ raise RuntimeError('Failed to copy cgroup to LXC')
+
+ cmd = 'lxc-cgroup --name {c.name} cpuset.cpus {cpus}'\
+ .format(c=self.container, cpus=cpuset_cpus)
+ ret, _, _ = self.container.ssh.exec_command_sudo(cmd)
+ if int(ret) != 0:
+ raise RuntimeError('Failed to set cpuset.cpus to container '
+ '{c.name}.'.format(c=self.container))
def execute(self, command):
- """Start a process inside a running container. Runs the specified
- command inside the container specified by name. The container has to
- be running already.
+ """Start a process inside a running container.
+
+ Runs the specified command inside the container specified by name. The
+ container has to be running already.
:param command: Command to run inside container.
:type command: str
@@ -530,33 +564,6 @@ class LXC(ContainerEngine):
raise RuntimeError('Failed to wait for state "{s}" of container '
'{c.name}.'.format(s=state, c=self.container))
- def _lxc_cgroup(self, state_object, value=''):
- """Manage the control group associated with a container.
-
- :param state_object: Specify the state object name.
- :param value: Specify the value to assign to the state object. If empty,
- then action is GET, otherwise is action SET.
- :type state_object: str
- :type value: str
- :raises RuntimeError: If getting/setting state of a container failed.
- """
- cmd = 'lxc-cgroup --name {c.name} {s} {v}'\
- .format(c=self.container, s=state_object, v=value)
-
- ret, _, _ = self.container.ssh.exec_command_sudo(
- 'cgset --copy-from / lxc')
- if int(ret) != 0:
- raise RuntimeError('Failed to copy cgroup settings from root.')
-
- ret, _, _ = self.container.ssh.exec_command_sudo(cmd)
- if int(ret) != 0:
- if value:
- raise RuntimeError('Failed to set {s} of container {c.name}.'
- .format(s=state_object, c=self.container))
- else:
- raise RuntimeError('Failed to get {s} of container {c.name}.'
- .format(s=state_object, c=self.container))
-
class Docker(ContainerEngine):
"""Docker implementation."""
@@ -584,6 +591,7 @@ class Docker(ContainerEngine):
if int(ret) != 0:
raise RuntimeError('Failed to create container {c.name}.'
.format(c=self.container))
+ self._configure_cgroup('docker')
def create(self):
"""Create/deploy container.
@@ -613,7 +621,7 @@ class Docker(ContainerEngine):
cmd = 'docker run '\
'--privileged --detach --interactive --tty --rm '\
- '--cgroup-parent lxc {cpuset_cpus} {cpuset_mems} {publish} '\
+ '--cgroup-parent docker {cpuset_cpus} {cpuset_mems} {publish} '\
'{env} {volume} --name {container.name} {container.image} '\
'{command}'.format(cpuset_cpus=cpuset_cpus, cpuset_mems=cpuset_mems,
container=self.container, command=command,
@@ -627,9 +635,10 @@ class Docker(ContainerEngine):
self.info()
def execute(self, command):
- """Start a process inside a running container. Runs the specified
- command inside the container specified by name. The container has to
- be running already.
+ """Start a process inside a running container.
+
+ Runs the specified command inside the container specified by name. The
+ container has to be running already.
:param command: Command to run inside container.
:type command: str
@@ -731,12 +740,26 @@ class Container(object):
pass
def __getattr__(self, attr):
+ """Get attribute custom implementation.
+
+ :param attr: Attribute to get.
+ :type attr: str
+ :returns: Attribute value or None.
+ :rtype: any
+ """
try:
return self.__dict__[attr]
except KeyError:
return None
def __setattr__(self, attr, value):
+ """Set attribute custom implementation.
+
+ :param attr: Attribute to set.
+ :param value: Value to set.
+ :type attr: str
+ :type value: any
+ """
try:
# Check if attribute exists
self.__dict__[attr]
diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 71d36c1c9d..795bb52933 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -450,6 +450,47 @@ class InterfaceUtil(object):
interface_dump_json)
@staticmethod
+ def update_nic_interface_names(node):
+ """Update interface names based on nic type and PCI address.
+
+ This method updates interface names in the same format as VPP does.
+
+ :param node: Node dictionary.
+ :type node: dict
+ """
+ for ifc in node['interfaces'].values():
+ if_pci = ifc['pci_address'].replace('.', ':').split(':')
+ bus = '{:x}'.format(int(if_pci[1], 16))
+ dev = '{:x}'.format(int(if_pci[2], 16))
+ fun = '{:x}'.format(int(if_pci[3], 16))
+ loc = '{bus}/{dev}/{fun}'.format(bus=bus, dev=dev, fun=fun)
+ if ifc['model'] == 'Intel-XL710':
+ ifc['name'] = 'FortyGigabitEthernet{loc}'.format(loc=loc)
+ elif ifc['model'] == 'Intel-X710':
+ ifc['name'] = 'TenGigabitEthernet{loc}'.format(loc=loc)
+ elif ifc['model'] == 'Intel-X520-DA2':
+ ifc['name'] = 'TenGigabitEthernet{loc}'.format(loc=loc)
+ elif ifc['model'] == 'Cisco-VIC-1385':
+ ifc['name'] = 'FortyGigabitEthernet{loc}'.format(loc=loc)
+ elif ifc['model'] == 'Cisco-VIC-1227':
+ ifc['name'] = 'TenGigabitEthernet{loc}'.format(loc=loc)
+ else:
+ ifc['name'] = 'UnknownEthernet{loc}'.format(loc=loc)
+
+ @staticmethod
+ def update_nic_interface_names_on_all_duts(nodes):
+ """Update interface names based on nic type and PCI address on all DUTs.
+
+ This method updates interface names in the same format as VPP does.
+
+ :param nodes: Topology nodes.
+ :type nodes: dict
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ InterfaceUtil.update_nic_interface_names(node)
+
+ @staticmethod
def update_tg_interface_data_on_node(node):
"""Update interface name for TG/linux node in DICT__nodes.
diff --git a/resources/libraries/python/KubernetesUtils.py b/resources/libraries/python/KubernetesUtils.py
new file mode 100644
index 0000000000..5faa056ddc
--- /dev/null
+++ b/resources/libraries/python/KubernetesUtils.py
@@ -0,0 +1,372 @@
+# Copyright (c) 2017 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:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Library to control Kubernetes kubectl."""
+
+import time
+import yaml
+
+from resources.libraries.python.constants import Constants
+from resources.libraries.python.topology import NodeType
+from resources.libraries.python.ssh import SSH
+from resources.libraries.python.CpuUtils import CpuUtils
+from resources.libraries.python.VppConfigGenerator import VppConfigGenerator
+
+__all__ = ["KubernetesUtils"]
+
+
+class KubernetesUtils(object):
+ """Kubernetes utilities class."""
+
+ def __init__(self):
+ """Initialize KubernetesUtils class."""
+ pass
+
+ @staticmethod
+ def setup_kubernetes_on_node(node):
+ """Set up Kubernetes on node.
+
+ :param node: DUT node.
+ :type node: dict
+ :raises RuntimeError: If Kubernetes setup failed on node.
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ cmd = '{dir}/{lib}/k8s_setup.sh '.format(dir=Constants.REMOTE_FW_DIR,
+ lib=Constants.RESOURCES_LIB_SH)
+ (ret_code, _, _) = ssh.exec_command(cmd, timeout=120)
+ if int(ret_code) != 0:
+ raise RuntimeError('Failed to setup Kubernetes on {node}.'
+ .format(node=node['host']))
+
+ @staticmethod
+ def setup_kubernetes_on_all_duts(nodes):
+ """Set up Kubernetes on all DUTs.
+
+ :param nodes: Topology nodes.
+ :type nodes: dict
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ KubernetesUtils.setup_kubernetes_on_node(node)
+
+ @staticmethod
+ def apply_kubernetes_resource_on_node(node, yaml_file, **kwargs):
+ """Apply Kubernetes resource on node.
+
+ :param node: DUT node.
+ :param yaml_file: YAML configuration file.
+ :param kwargs: Key-value pairs to replace in YAML template.
+ :type node: dict
+ :type yaml_file: str
+ :type kwargs: dict
+ :raises RuntimeError: If applying Kubernetes template failed.
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ stream = file('{tpl}/{yaml}'.format(tpl=Constants.RESOURCES_TPL_K8S,
+ yaml=yaml_file), 'r')
+
+ for data in yaml.load_all(stream):
+ data = reduce(lambda a, kv: a.replace(*kv), kwargs.iteritems(),
+ yaml.dump(data, default_flow_style=False))
+ # Workaround to avoid using RAW string anotated with | in YAML as
+ # library + bash is misinterpreting spaces.
+ data = data.replace('.conf:\n', '.conf: |\n')
+ cmd = 'cat <<EOF | kubectl apply -f - \n{data}\nEOF'.format(
+ data=data)
+ (ret_code, _, _) = ssh.exec_command_sudo(cmd, timeout=120)
+ if int(ret_code) != 0:
+ raise RuntimeError('Failed to apply Kubernetes template {yaml} '
+ 'on {node}.'.format(yaml=yaml_file,
+ node=node['host']))
+
+ @staticmethod
+ def apply_kubernetes_resource_on_all_duts(nodes, yaml_file, **kwargs):
+ """Apply Kubernetes resource on all DUTs.
+
+ :param nodes: Topology nodes.
+ :param yaml_file: YAML configuration file.
+ :param kwargs: Key-value pairs to replace in YAML template.
+ :type nodes: dict
+ :type yaml_file: str
+ :type kwargs: dict
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ KubernetesUtils.apply_kubernetes_resource_on_node(node,
+ yaml_file,
+ **kwargs)
+
+ @staticmethod
+ def create_kubernetes_cm_from_file_on_node(node, name, key, src_file):
+ """Create Kubernetes ConfigMap from file on node.
+
+ :param node: DUT node.
+ :param name: ConfigMap name.
+ :param key: Key (destination file).
+ :param src_file: Source file.
+ :type node: dict
+ :type name: str
+ :type key: str
+ :type src_file: str
+ :raises RuntimeError: If creating Kubernetes ConfigMap failed.
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ cmd = 'kubectl create -n csit configmap {name} --from-file={key}='\
+ '{src_file}'.format(name=name, key=key, src_file=src_file)
+ (ret_code, _, _) = ssh.exec_command_sudo(cmd, timeout=120)
+ if int(ret_code) != 0:
+ raise RuntimeError('Failed to create Kubernetes ConfigMap {name} '
+ 'on {node}.'.format(name=name,
+ node=node['host']))
+
+ @staticmethod
+ def create_kubernetes_cm_from_file_on_all_duts(nodes, name, key, src_file):
+ """Create Kubernetes ConfigMap from file on all DUTs.
+
+ :param nodes: Topology nodes.
+ :param name: ConfigMap name.
+ :param key: Key (destination file).
+ :param src_file: Source file.
+ :type nodes: dict
+ :type name: str
+ :type key: str
+ :type src_file: str
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ KubernetesUtils.create_kubernetes_cm_from_file_on_node(node,
+ name,
+ key,
+ src_file)
+
+ @staticmethod
+ def delete_kubernetes_resource_on_node(node, rtype='po,cm', name=None):
+ """Delete Kubernetes resource on node.
+
+ :param node: DUT node.
+ :param rtype: Kubernetes resource type.
+ :param name: Name of resource.
+ :type node: dict
+ :type rtype: str
+ :type name: str
+ :raises RuntimeError: If deleting Kubernetes resource failed.
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ name = '{name}'.format(name=name) if name else '--all'
+
+ cmd = 'kubectl delete -n csit {rtype} {name}'\
+ .format(rtype=rtype, name=name)
+ (ret_code, _, _) = ssh.exec_command_sudo(cmd, timeout=120)
+ if int(ret_code) != 0:
+ raise RuntimeError('Failed to delete Kubernetes resources in CSIT '
+ 'namespace on {node}.'.format(node=node['host']))
+
+ cmd = 'kubectl get -n csit pods --no-headers'
+ for _ in range(24):
+ (ret_code, stdout, _) = ssh.exec_command_sudo(cmd, timeout=120)
+ if int(ret_code) == 0:
+ ready = True
+ for line in stdout.splitlines():
+ if 'No resources found.' not in line:
+ ready = False
+ if ready:
+ break
+ time.sleep(5)
+ else:
+ raise RuntimeError('Failed to delete Kubernetes resources in CSIT '
+ 'namespace on {node}.'.format(node=node['host']))
+
+ @staticmethod
+ def delete_kubernetes_resource_on_all_duts(nodes, rtype='po,cm', name=None):
+ """Delete all Kubernetes resource on all DUTs.
+
+ :param nodes: Topology nodes.
+ :param rtype: Kubernetes resource type.
+ :param name: Name of resource.
+ :type nodes: dict
+ :type rtype: str
+ :type name: str
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ KubernetesUtils.delete_kubernetes_resource_on_node(node, rtype,
+ name)
+
+ @staticmethod
+ def describe_kubernetes_resource_on_node(node, rtype='po,cm'):
+ """Describe Kubernetes resource on node.
+
+ :param node: DUT node.
+ :param rtype: Kubernetes resource type.
+ :type node: dict
+ :type rtype: str
+ :raises RuntimeError: If describing Kubernetes resource failed.
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ cmd = 'kubectl describe -n csit {rtype}'.format(rtype=rtype)
+ (ret_code, _, _) = ssh.exec_command_sudo(cmd, timeout=120)
+ if int(ret_code) != 0:
+ raise RuntimeError('Failed to describe Kubernetes resource on '
+ '{node}.'.format(node=node['host']))
+
+ @staticmethod
+ def describe_kubernetes_resource_on_all_duts(nodes, rtype='po,cm'):
+ """Describe Kubernetes resource on all DUTs.
+
+ :param nodes: Topology nodes.
+ :param rtype: Kubernetes resource type.
+ :type nodes: dict
+ :type rtype: str
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ KubernetesUtils.describe_kubernetes_resource_on_node(node,
+ rtype)
+
+ @staticmethod
+ def reset_kubernetes_on_node(node):
+ """Reset Kubernetes on node.
+
+ :param node: DUT node.
+ :type node: dict
+ :raises RuntimeError: If resetting Kubernetes failed.
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ cmd = 'kubeadm reset && rm -rf $HOME/.kube'
+ (ret_code, _, _) = ssh.exec_command_sudo(cmd, timeout=120)
+ if int(ret_code) != 0:
+ raise RuntimeError('Failed to reset Kubernetes on {node}.'
+ .format(node=node['host']))
+
+ @staticmethod
+ def reset_kubernetes_on_all_duts(nodes):
+ """Reset Kubernetes on all DUTs.
+
+ :param nodes: Topology nodes.
+ :type nodes: dict
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ KubernetesUtils.reset_kubernetes_on_node(node)
+
+ @staticmethod
+ def wait_for_kubernetes_pods_on_node(node):
+ """Wait for Kubernetes PODs to become in 'Running' state on node.
+
+ :param node: DUT node.
+ :type node: dict
+ :raises RuntimeError: If Kubernetes PODs are not ready.
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ cmd = 'kubectl get -n csit pods --no-headers'
+ for _ in range(48):
+ (ret_code, stdout, _) = ssh.exec_command_sudo(cmd, timeout=120)
+ if int(ret_code) == 0:
+ ready = True
+ for line in stdout.splitlines():
+ if 'Running' not in line:
+ ready = False
+ if ready:
+ break
+ time.sleep(5)
+ else:
+ raise RuntimeError('Kubernetes PODs are not ready on {node}.'
+ .format(node=node['host']))
+
+ @staticmethod
+ def wait_for_kubernetes_pods_on_all_duts(nodes):
+ """Wait for Kubernetes PODs to become in Running state on all DUTs.
+
+ :param nodes: Topology nodes.
+ :type nodes: dict
+ """
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ KubernetesUtils.wait_for_kubernetes_pods_on_node(node)
+
+ @staticmethod
+ def create_kubernetes_vswitch_startup_config(**kwargs):
+ """Create Kubernetes VSWITCH startup configuration.
+
+ :param kwargs: Key-value pairs used to create configuration.
+ :param kwargs: dict
+ """
+ cpuset_cpus = \
+ CpuUtils.cpu_slice_of_list_per_node(node=kwargs['node'],
+ cpu_node=kwargs['cpu_node'],
+ skip_cnt=kwargs['cpu_skip'],
+ cpu_cnt=kwargs['cpu_cnt'],
+ smt_used=kwargs['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.add_unix_nodaemon()
+ vpp_config.add_dpdk_socketmem('1024,1024')
+ vpp_config.add_heapsize('3G')
+ vpp_config.add_ip6_hash_buckets('2000000')
+ vpp_config.add_ip6_heap_size('3G')
+ if kwargs['framesize'] < 1522:
+ vpp_config.add_dpdk_no_multi_seg()
+ vpp_config.add_dpdk_dev_default_rxq(kwargs['rxq'])
+ vpp_config.add_dpdk_dev(kwargs['if1'], kwargs['if2'])
+ # We will pop first core from list to be main core
+ vpp_config.add_cpu_main_core(str(cpuset_cpus.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)
+ vpp_config.add_cpu_corelist_workers(corelist_workers)
+ vpp_config.apply_config(filename=kwargs['filename'], restart_vpp=False)
+
+ @staticmethod
+ def create_kubernetes_vnf_startup_config(**kwargs):
+ """Create Kubernetes VNF startup configuration.
+
+ :param kwargs: Key-value pairs used to create configuration.
+ :param kwargs: dict
+ """
+ cpuset_cpus = \
+ CpuUtils.cpu_slice_of_list_per_node(node=kwargs['node'],
+ cpu_node=kwargs['cpu_node'],
+ skip_cnt=kwargs['cpu_skip'],
+ cpu_cnt=kwargs['cpu_cnt'],
+ smt_used=kwargs['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.add_unix_nodaemon()
+ # We will pop first core from list to be main core
+ vpp_config.add_cpu_main_core(str(cpuset_cpus.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)
+ vpp_config.add_cpu_corelist_workers(corelist_workers)
+ vpp_config.add_plugin_disable('dpdk_plugin.so')
+ vpp_config.apply_config(filename=kwargs['filename'], restart_vpp=False)
diff --git a/resources/libraries/python/VppConfigGenerator.py b/resources/libraries/python/VppConfigGenerator.py
index 7bd0175b3d..69096491a2 100644
--- a/resources/libraries/python/VppConfigGenerator.py
+++ b/resources/libraries/python/VppConfigGenerator.py
@@ -22,10 +22,12 @@ from resources.libraries.python.topology import Topology
__all__ = ['VppConfigGenerator']
+
class VppConfigGenerator(object):
"""VPP Configuration File Generator."""
def __init__(self):
+ """Initialize library."""
# VPP Node to apply configuration on
self._node = ''
# VPP Hostname
@@ -36,8 +38,6 @@ class VppConfigGenerator(object):
self._vpp_config = ''
# VPP Service name
self._vpp_service_name = 'vpp'
- # VPP Configuration file path
- self._vpp_config_filename = '/etc/vpp/startup.conf'
def set_node(self, node):
"""Set DUT node.
@@ -46,29 +46,12 @@ class VppConfigGenerator(object):
:type node: dict
:raises RuntimeError: If Node type is not DUT.
"""
-
if node['type'] != NodeType.DUT:
raise RuntimeError('Startup config can only be applied to DUT'
'node.')
self._node = node
self._hostname = Topology.get_node_hostname(node)
- def set_config_filename(self, filename):
- """Set startup configuration filename.
-
- :param filename: Startup configuration filename.
- :type filename: str
- """
- self._vpp_config_filename = filename
-
- def get_config_filename(self):
- """Get startup configuration filename.
-
- :returns: Startup configuration filename.
- :rtype: str
- """
- return self._vpp_config_filename
-
def get_config_str(self):
"""Get dumped startup configuration in VPP config format.
@@ -88,11 +71,10 @@ class VppConfigGenerator(object):
:type value: str
:type path: list
"""
-
if len(path) == 1:
config[path[0]] = value
return
- if not config.has_key(path[0]):
+ if path[0] not in config:
config[path[0]] = {}
self.add_config_item(config[path[0]], value, path[1:])
@@ -100,9 +82,9 @@ class VppConfigGenerator(object):
"""Dump the startup configuration in VPP config format.
:param obj: Python Object to print.
- :param nested_level: Nested level for indentation.
+ :param level: Nested level for indentation.
:type obj: Obj
- :type nested_level: int
+ :type level: int
:returns: nothing
"""
indent = ' '
@@ -158,7 +140,6 @@ class VppConfigGenerator(object):
:type devices: tuple
:raises ValueError: If PCI address format is not valid.
"""
-
pattern = re.compile("^[0-9A-Fa-f]{4}:[0-9A-Fa-f]{2}:"
"[0-9A-Fa-f]{2}\\.[0-9A-Fa-f]$")
for device in devices:
@@ -219,7 +200,6 @@ class VppConfigGenerator(object):
path = ['dpdk', 'dev default', 'num-tx-desc']
self.add_config_item(self._nodeconfig, value, path)
-
def add_dpdk_socketmem(self, value):
"""Add DPDK socket memory configuration.
@@ -312,16 +292,21 @@ class VppConfigGenerator(object):
path = ['nat']
self.add_config_item(self._nodeconfig, value, path)
- def apply_config(self, waittime=5, retries=12):
+ def apply_config(self, filename='/etc/vpp/startup.conf', waittime=5,
+ retries=12, restart_vpp=True):
"""Generate and apply VPP configuration for node.
Use data from calls to this class to form a startup.conf file and
replace /etc/vpp/startup.conf with it on node.
+ :param filename: Startup configuration file name.
:param waittime: Time to wait for VPP to restart (default 5 seconds).
:param retries: Number of times (default 12) to re-try waiting.
+ :param restart_vpp: Whether to restart VPP.
+ :type filename: str
:type waittime: int
:type retries: int
+ :type restart_vpp: bool.
:raises RuntimeError: If writing config file failed, or restarting of
VPP failed.
"""
@@ -330,39 +315,37 @@ class VppConfigGenerator(object):
ssh = SSH()
ssh.connect(self._node)
- # We're using this "| sudo tee" construct because redirecting
- # a sudo's output ("sudo echo xxx > /path/to/file") does not
- # work on most platforms...
(ret, _, _) = \
- ssh.exec_command('echo "{0}" | sudo tee {1}'.
- format(self._vpp_config,
- self._vpp_config_filename))
+ ssh.exec_command('echo "{config}" | sudo tee {filename}'.
+ format(config=self._vpp_config,
+ filename=filename))
if ret != 0:
raise RuntimeError('Writing config file failed to node {}'.
format(self._hostname))
- # Instead of restarting, we'll do separate start and stop
- # actions. This way we don't care whether VPP was running
- # to begin with.
- ssh.exec_command('sudo service {} stop'
- .format(self._vpp_service_name))
- (ret, _, _) = \
- ssh.exec_command('sudo service {} start'
+ if restart_vpp:
+ # Instead of restarting, we'll do separate start and stop
+ # actions. This way we don't care whether VPP was running
+ # to begin with.
+ ssh.exec_command('sudo service {} stop'
.format(self._vpp_service_name))
- if ret != 0:
- raise RuntimeError('Restarting VPP failed on node {}'.
- format(self._hostname))
-
- # Sleep <waittime> seconds, up to <retry> times,
- # and verify if VPP is running.
- for _ in range(retries):
- time.sleep(waittime)
(ret, _, _) = \
- ssh.exec_command('echo show hardware-interfaces | '
- 'nc 0 5002 || echo "VPP not yet running"')
- if ret == 0:
- break
- else:
- raise RuntimeError('VPP failed to restart on node {}'.
- format(self._hostname))
+ ssh.exec_command('sudo service {} start'
+ .format(self._vpp_service_name))
+ if ret != 0:
+ raise RuntimeError('Restarting VPP failed on node {}'.
+ format(self._hostname))
+
+ # Sleep <waittime> seconds, up to <retry> times,
+ # and verify if VPP is running.
+ for _ in range(retries):
+ time.sleep(waittime)
+ (ret, _, _) = \
+ ssh.exec_command('echo show hardware-interfaces | '
+ 'nc 0 5002 || echo "VPP not yet running"')
+ if ret == 0:
+ break
+ else:
+ raise RuntimeError('VPP failed to restart on node {}'.
+ format(self._hostname))
diff --git a/resources/libraries/python/constants.py b/resources/libraries/python/constants.py
index a8d40a2a26..01a96a861b 100644
--- a/resources/libraries/python/constants.py
+++ b/resources/libraries/python/constants.py
@@ -35,6 +35,9 @@ class Constants(object):
# QEMU install directory
QEMU_INSTALL_DIR = '/opt/qemu-2.5.0'
+ # Kubernetes templates location
+ RESOURCES_TPL_K8S = 'resources/templates/kubernetes'
+
# Honeycomb directory location at topology nodes:
REMOTE_HC_DIR = '/opt/honeycomb'