Update of LXCUtil library 71/7271/5
authorPeter Mikus <pmikus@cisco.com>
Thu, 22 Jun 2017 11:24:22 +0000 (13:24 +0200)
committerTibor Frank <tifrank@cisco.com>
Fri, 23 Jun 2017 07:56:36 +0000 (07:56 +0000)
Change-Id: I1a095e45960ca004413c4ecbfd410e41fb621c74
Signed-off-by: Peter Mikus <pmikus@cisco.com>
resources/libraries/python/LXCUtils.py
resources/libraries/python/VppConfigGenerator.py
resources/libraries/robot/lxc.robot

index 3f251a0..9f42540 100644 (file)
 """Library to manipulate LXC."""
 
 from resources.libraries.python.ssh import SSH
+from resources.libraries.python.constants import Constants
 from resources.libraries.python.topology import NodeType
 
+
 __all__ = ["LXCUtils"]
 
 class LXCUtils(object):
@@ -25,6 +27,8 @@ class LXCUtils(object):
         # LXC container name
         self._container_name = container_name
         self._node = None
+        # Host hugepages dir that will be mounted inside LXC
+        self._host_hugepages_dir = '/dev/hugepages'
         # Host dir that will be mounted inside LXC
         self._host_dir = '/tmp/'
         # Guest dir to mount host dir to
@@ -251,7 +255,7 @@ class LXCUtils(object):
         """
         if self.is_container_present():
             if force_create:
-                self.container_destroy()
+                self.destroy_container()
             else:
                 return
 
@@ -296,7 +300,7 @@ class LXCUtils(object):
         self.stop_container()
         self.start_container()
 
-    def container_destroy(self):
+    def destroy_container(self):
         """Stop and destroy a container."""
 
         self._lxc_destroy()
@@ -329,11 +333,10 @@ class LXCUtils(object):
         ssh = SSH()
         ssh.connect(self._node)
 
-        self.lxc_attach('mkdir -p {0}'.format(self._guest_dir))
-
         mnt_cfg = 'lxc.mount.entry = {0} /var/lib/lxc/{1}/rootfs{2} ' \
-            'none bind 0 0'.format(self._host_dir, self._container_name,
-                                   self._guest_dir)
+            'none bind,create=dir 0 0'.format(self._host_dir,
+                                              self._container_name,
+                                              self._guest_dir)
         ret, _, _ = ssh.exec_command_sudo(
             "sh -c 'echo \"{0}\" >> /var/lib/lxc/{1}/config'"
             .format(mnt_cfg, self._container_name))
@@ -343,6 +346,27 @@ class LXCUtils(object):
 
         self.restart_container()
 
+    def mount_hugepages_in_container(self):
+        """Mount hugepages inside container.
+
+        :raises RuntimeError: If failed to mount hugepages in a container.
+        """
+
+        ssh = SSH()
+        ssh.connect(self._node)
+
+        mnt_cfg = 'lxc.mount.entry = {0} dev/hugepages ' \
+            'none bind,create=dir 0 0'.format(self._host_hugepages_dir)
+        ret, _, _ = ssh.exec_command_sudo(
+            "sh -c 'echo \"{0}\" >> /var/lib/lxc/{1}/config'"
+            .format(mnt_cfg, self._container_name))
+        if int(ret) != 0:
+            raise RuntimeError('Failed to mount {0} in lxc: {1}'
+                               .format(self._host_hugepages_dir,
+                                       self._container_name))
+
+        self.restart_container()
+
     def install_vpp_in_container(self, install_dkms=False):
         """Install vpp inside a container.
 
@@ -373,3 +397,27 @@ class LXCUtils(object):
         ssh.connect(self._node)
 
         self.lxc_attach('service vpp restart')
+
+    def create_vpp_cfg_in_container(self, vat_template_file, **args):
+        """Create VPP exec config for a container on given node.
+
+        :param vat_template_file: Template file name of a VAT script.
+        :param args: Parameters for VAT script.
+        :type vat_template_file: str
+        :type args: dict
+        """
+        ssh = SSH()
+        ssh.connect(self._node)
+
+        vat_file_path = '{}/{}'.format(Constants.RESOURCES_TPL_VAT,
+                                       vat_template_file)
+
+        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)
+                ssh.exec_command('echo "{0}" | '
+                                 'sudo lxc-attach --name {1} -- '
+                                 '/bin/sh -c "/bin/cat >> /tmp/running.exec"'
+                                 .format(vat_cmd.replace('\n', ''),
+                                         self._container_name))
index 31defd6..eb628de 100644 (file)
@@ -129,6 +129,11 @@ class VppConfigGenerator(object):
         path = ['unix', 'nodaemon']
         self.add_config_item(self._nodeconfig, '', path)
 
+    def add_unix_exec(self, value):
+        """Add UNIX exec configuration."""
+        path = ['unix', 'exec']
+        self.add_config_item(self._nodeconfig, value, path)
+
     def add_dpdk_dev(self, *devices):
         """Add DPDK PCI device configuration.
 
index b4dd1d1..83bd5c1 100644 (file)
@@ -36,7 +36,7 @@
 | | Import Library | resources.libraries.python.LXCUtils
 | | ... | container_name=${lxc_name} | WITH NAME | ${lxc_name}
 | | Run keyword | ${lxc_name}.Set node | ${dut_node}
-| | Run keyword | ${lxc_name}.Container create | force_create=${TRUE}
+| | Run keyword | ${lxc_name}.Create container | force_create=${TRUE}
 | | Run keyword | ${lxc_name}.Mount host dir in container
 
 | Create LXC container on DUT node with cpuset
 | | ... | ${dut1_if1} | ${dut1_if2}
 | | ${lxc_cpus}= | CPU list per node str | ${dut_node} | ${dut_numa}
 | | ... | skip_cnt=${skip} | cpu_cnt=${count} | smt_used=${False}
+| | Set Suite Variable | ${lxc_cpus}
 | | Run keyword | ${lxc_name}.Set node | ${dut_node}
-| | Run keyword | ${lxc_name}.Container create | force_create=${TRUE}
+| | Run keyword | ${lxc_name}.Create container | force_create=${TRUE}
 | | Run keyword | ${lxc_name}.Mount host dir in container
-| | Run keyword | ${lxc_name}.Container cpuset cpus | ${lxc_cpus}
+| | Run keyword | ${lxc_name}.Container cpuset cpus | 0,${lxc_cpus}
 
 | Create '${nr}' LXC containers on '${dut}' node
 | | [Documentation] | Create and start multiple lxc containers on DUT node.
 | | Import Library | resources.libraries.python.LXCUtils
 | | ... | container_name=${lxc_name} | WITH NAME | ${lxc_name}
 | | Run keyword | ${lxc_name}.Set node | ${dut_node}
-| | Run keyword | ${lxc_name}.Container destroy
+| | Run keyword | ${lxc_name}.Destroy container
 
 | Destroy '${nr}' LXC containers on '${dut}' node
 | | [Documentation] | Stop and destroy multiple LXC containers on DUT node.
 | | Run keyword | ${lxc_name}_conf.Set node | ${dut_node}
 | | Run keyword | ${lxc_name}_conf.Add unix CLI listen
 | | Run keyword | ${lxc_name}_conf.Add unix nodaemon
+| | Run keyword | ${lxc_name}_conf.Add unix exec | "/tmp/running.exec"
+| | Run keyword | ${lxc_name}_conf.Add CPU main core | "0"
+| | Run keyword | ${lxc_name}_conf.Add CPU corelist workers | ${lxc_cpus}
 | | Run keyword | ${lxc_name}_conf.Add plugin disable | "dpdk_plugin.so"
 | | Run Keyword | ${lxc_name}_conf.Apply config LXC | ${lxc_name}
 

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