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-rw-r--r--resources/libraries/python/VPPUtil.py33
1 files changed, 26 insertions, 7 deletions
diff --git a/resources/libraries/python/VPPUtil.py b/resources/libraries/python/VPPUtil.py
index 9d2a2b9dd3..3714d3b780 100644
--- a/resources/libraries/python/VPPUtil.py
+++ b/resources/libraries/python/VPPUtil.py
@@ -12,9 +12,12 @@
# limitations under the License.
"""VPP util library."""
+
+import time
+
from resources.libraries.python.constants import Constants
from resources.libraries.python.DUTSetup import DUTSetup
-from resources.libraries.python.ssh import exec_cmd_no_error
+from resources.libraries.python.ssh import exec_cmd, exec_cmd_no_error
from resources.libraries.python.topology import NodeType
from resources.libraries.python.VatExecutor import VatExecutor
@@ -52,14 +55,27 @@ class VPPUtil(object):
exec_cmd_no_error(node, command, timeout=30, sudo=True)
@staticmethod
- def start_vpp_service(node):
+ def start_vpp_service(node, retries=60):
"""Start VPP service on the specified node.
:param node: VPP node.
+ :param retries: Number of times (default 60) to re-try waiting.
:type node: dict
+ :type retries: int
:raises RuntimeError: If VPP service fails to start.
"""
DUTSetup.start_service(node, Constants.VPP_UNIT)
+ # Sleep 1 second, up to <retry> times,
+ # and verify if VPP is running.
+ for _ in range(retries):
+ time.sleep(1)
+ command = 'vppctl show pci'
+ ret, stdout, _ = exec_cmd(node, command, timeout=30, sudo=True)
+ if not ret and 'Connection refused' not in stdout:
+ break
+ else:
+ raise RuntimeError('VPP failed to start on host {name}'.
+ format(name=node['host']))
DUTSetup.get_service_logs(node, Constants.VPP_UNIT)
@staticmethod
@@ -69,7 +85,9 @@ class VPPUtil(object):
:param nodes: Nodes in the topology.
:type nodes: dict
"""
- DUTSetup.start_service_on_all_duts(nodes, Constants.VPP_UNIT)
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ VPPUtil.start_vpp_service(node)
@staticmethod
def stop_vpp_service(node):
@@ -88,7 +106,9 @@ class VPPUtil(object):
:param nodes: Nodes in the topology.
:type nodes: dict
"""
- DUTSetup.stop_service_on_all_duts(nodes, Constants.VPP_UNIT)
+ for node in nodes.values():
+ if node['type'] == NodeType.DUT:
+ VPPUtil.stop_vpp_service(node)
@staticmethod
def verify_vpp_on_dut(node):
@@ -111,9 +131,8 @@ class VPPUtil(object):
"""
for node in nodes.values():
if node['type'] == NodeType.DUT:
- DUTSetup.start_service(node, Constants.VPP_UNIT)
- VPPUtil.vpp_show_version_verbose(node)
- VPPUtil.vpp_show_interfaces(node)
+ VPPUtil.start_vpp_service(node)
+ VPPUtil.verify_vpp_on_dut(node)
@staticmethod
def vpp_show_version_verbose(node):