Framework: Add show log as tear down action

+ We can see what is happening when debug level is increased
+ Big caveat of VPP is that it does not allow to configure
  default global level.

Signed-off-by: Peter Mikus <pmikus@cisco.com>
Change-Id: I5ea1a618161cdb3170cab022d7451e52271f83c0

3 files changed, 26 insertions, 13 deletions

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index d185137940..a15507454a 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -1199,6 +1199,9 @@ class InterfaceUtil(object):
         :raises RuntimeError: If it is not possible to create AVF interface on
             the node.
         """
+        PapiSocketExecutor.run_cli_cmd(
+            node, 'set logging class avf level debug')
+
         cmd = 'avf_create'
         args = dict(pci_addr=InterfaceUtil.pci_to_int(vf_pci_addr),
                     enable_elog=0,
diff --git a/resources/libraries/python/VPPUtil.py b/resources/libraries/python/VPPUtil.py
index 432a589cd3..72b6142306 100644
--- a/resources/libraries/python/VPPUtil.py
+++ b/resources/libraries/python/VPPUtil.py
@@ -259,10 +259,10 @@ class VPPUtil(object):
                 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
         """
         PapiSocketExecutor.run_cli_cmd(node, "elog trace api cli barrier")
@@ -276,13 +276,13 @@ class VPPUtil(object):
         """
         for node in nodes.values():
             if node['type'] == NodeType.DUT:
-                VPPUtil.vpp_enable_elog_traces_on_dut(node)
+                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
         """
         PapiSocketExecutor.run_cli_cmd(node, "show event-logger")
@@ -296,18 +296,27 @@ class VPPUtil(object):
         """
         for node in nodes.values():
             if node['type'] == NodeType.DUT:
-                VPPUtil.show_event_logger_on_dut(node)
+                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 PapiSocketExecutor.run_cli_cmd(node, "show log")
+        PapiSocketExecutor.run_cli_cmd(node, "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['type'] == NodeType.DUT:
+                VPPUtil.show_log(node)
 
     @staticmethod
     def vpp_show_threads(node):
@@ -331,6 +340,6 @@ class VPPUtil(object):
                 thread_data.append(item)
             threads_data.append(thread_data)
 
-        logger.info("show threads:\n{threads}".format(threads=threads_data))
+        logger.trace("show threads:\n{threads}".format(threads=threads_data))
 
         return threads_data
diff --git a/resources/libraries/robot/shared/test_teardown.robot b/resources/libraries/robot/shared/test_teardown.robot
index 1cc526211d..0beeff4484 100644
--- a/resources/libraries/robot/shared/test_teardown.robot
+++ b/resources/libraries/robot/shared/test_teardown.robot
@@ -33,6 +33,7 @@
 | | ...
 | | Remove All Added Ports On All DUTs From Topology | ${nodes}
 | | Show PAPI History On All DUTs | ${nodes}
+| | Show Log On All DUTs | ${nodes}
 | | Run Keyword If Test Failed
 | | ... | Get Core Files on All Nodes | ${nodes}
 | | Run Keyword If Test Failed