Hi Charlie, This is likely due to the file "/tmp/nfvbench/nfvbench.cfg" missing inside the container. Can you check the following:
* Check where you stored the nfvbench.cfg file on the host (the quickstart guide suggests to put the file under $HOME/nfvbench) * Check that that directory on host is mapped to /tmp/nfvbench in the container To verify you can also try to cat that file from inside the container (docker exec <container name> cat /tmp/nfvbench/nfvbench.cfg) For further interaction, you can continue on this email thread or you can join opnfv.slack.com #nfvbench if you prefer. Thanks Alec From: <opnfv-tech-discuss@lists.opnfv.org> on behalf of "Li, Charlie" <charlie...@amd.com> Date: Monday, August 31, 2020 at 9:59 AM To: "opnfv-tech-discuss@lists.opnfv.org" <opnfv-tech-discuss@lists.opnfv.org> Subject: [opnfv-tech-discuss] #nfvbench - Example of run fails [AMD Public Use] Hello, I am new to NFVbench and is following the link below to get started https://opnfv-nfvbench.readthedocs.io/en/latest/testing/user/userguide/quickstart_docker.html The NFVbench container is started successfully $ nfvbench --version 4.3.1.dev4 But when I try the example of run, it fails $ nfvbench -c /tmp/nfvbench/nfvbench.cfg --rate 10kpps 2020-08-27 20:10:45,424 INFO Loading configuration string: /tmp/nfvbench/nfvbench.cfg 2020-08-27 20:10:45,425 ERROR String /tmp/nfvbench/nfvbench.cfg is not well formatted. Please verify your yaml/json string. If string is a file path, file was not found. Please use correct path and verify it is visible to container if you run nfvbench in container. 2020-08-27 20:10:45,425 ERROR {'status': 'ERROR', 'error_message': 'Traceback (most recent call last):\n File "/nfvbench/nfvbench/config.py", line 46, in config_loads\n cfg = AttrDict(yaml.safe_load(cfg_text))\n File "/usr/local/lib/python3.6/dist-packages/attrdict/dictionary.py", line 17, in __init__\n super(AttrDict, self).__init__(*args, **kwargs)\nValueError: dictionary update sequence element #0 has length 1; 2 is required\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n File "/nfvbench/nfvbench/nfvbench.py", line 611, in main\n config = config_loads(opts.config, config, whitelist_keys)\n File "/nfvbench/nfvbench/config.py", line 55, in config_loads\n raise Exception(e)\nException: dictionary update sequence element #0 has length 1; 2 is required\n'} dictionary update sequence element #0 has length 1; 2 is required The /tmp/nfvbench/nfvbench.cfg is cut and paste (OpenStack is not used and only PCIe addresses are modified) traffic_generator: generator_profile: - name: trex-local tool: TRex ip: 127.0.0.1 cores: 3 software_mode: false interfaces: - port: 0 pci: "04:00.0" - port: 1 pci: "04:00.1" intf_speed: Any help is appreciated. Regards, Charlie Li
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