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-rw-r--r--nfvbench/config.py46
-rw-r--r--nfvbench/nfvbench.py6
-rw-r--r--test/test_nfvbench.py8
3 files changed, 34 insertions, 26 deletions
diff --git a/nfvbench/config.py b/nfvbench/config.py
index 915b42c..2ed726d 100644
--- a/nfvbench/config.py
+++ b/nfvbench/config.py
@@ -18,7 +18,7 @@ from log import LOG
import yaml
-def config_load(file_name, from_cfg=None):
+def config_load(file_name, from_cfg=None, whitelist_keys=[]):
"""Load a yaml file into a config dict, merge with from_cfg if not None
The config file content taking precedence in case of duplicate
"""
@@ -31,13 +31,13 @@ def config_load(file_name, from_cfg=None):
.format(file_name))
if from_cfg:
- _validate_config(cfg, from_cfg)
+ _validate_config(cfg, from_cfg, whitelist_keys)
cfg = from_cfg + cfg
return cfg
-def config_loads(cfg_text, from_cfg=None):
+def config_loads(cfg_text, from_cfg=None, whitelist_keys=[]):
"""Same as config_load but load from a string
"""
try:
@@ -46,30 +46,30 @@ def config_loads(cfg_text, from_cfg=None):
# empty string
cfg = AttrDict()
if from_cfg:
- _validate_config(cfg, from_cfg)
+ _validate_config(cfg, from_cfg, whitelist_keys)
return from_cfg + cfg
return cfg
+def _validate_config(subset, superset, whitelist_keys):
+ def get_err_config(subset, superset):
+ result = {}
+ for k, v in subset.items():
+ if k not in whitelist_keys:
+ if k not in superset:
+ result.update({k: v})
+ elif v is not None and superset[k] is not None:
+ if not isinstance(v, type(superset[k])):
+ result.update({k: v})
+ continue
+ if isinstance(v, dict):
+ res = get_err_config(v, superset[k])
+ if res:
+ result.update({k: res})
+ if not result:
+ return None
+ return result
-def _get_err_config(subset, superset):
- result = {}
- for k, v in subset.items():
- if k not in superset:
- result.update({k: v})
- elif v is not None and superset[k] is not None:
- if not isinstance(v, type(superset[k])):
- result.update({k: v})
- continue
- if isinstance(v, dict):
- res = _get_err_config(v, superset[k])
- if res:
- result.update({k: res})
- if not result:
- return None
- return result
-
-def _validate_config(subset, superset):
- err_cfg = _get_err_config(subset, superset)
+ err_cfg = get_err_config(subset, superset)
if err_cfg:
err_msg = 'The provided configuration has unknown options or values with invalid type: '\
+ str(err_cfg)
diff --git a/nfvbench/nfvbench.py b/nfvbench/nfvbench.py
index e9594d5..b36d328 100644
--- a/nfvbench/nfvbench.py
+++ b/nfvbench/nfvbench.py
@@ -461,15 +461,17 @@ def main():
config.name = ''
if opts.config:
+ # do not check extra_specs in flavor as it can contain any key/value pairs
+ whitelist_keys = ['extra_specs']
# override default config options with start config at path parsed from CLI
# check if it is an inline yaml/json config or a file name
if os.path.isfile(opts.config):
LOG.info('Loading configuration file: ' + opts.config)
- config = config_load(opts.config, config)
+ config = config_load(opts.config, config, whitelist_keys)
config.name = os.path.basename(opts.config)
else:
LOG.info('Loading configuration string: ' + opts.config)
- config = config_loads(opts.config, config)
+ config = config_loads(opts.config, config, whitelist_keys)
# traffic profile override options
override_custom_traffic(config, opts.frame_sizes, opts.unidir)
diff --git a/test/test_nfvbench.py b/test/test_nfvbench.py
index 1d985b8..ff4625b 100644
--- a/test/test_nfvbench.py
+++ b/test/test_nfvbench.py
@@ -673,7 +673,13 @@ def test_config():
expected = fail_pair[0]
assert expected in e_info.value.message
-
+ # whitelist keys
+ flavor = {'flavor': {'vcpus': 2, 'ram': 8192, 'disk': 0,
+ 'extra_specs': {'hw:cpu_policy': 'dedicated'}}}
+ new_flavor = {'flavor': {'vcpus': 2, 'ram': 8192, 'disk': 0,
+ 'extra_specs': {'hw:cpu_policy': 'dedicated', 'hw:numa_nodes': 2}}}
+ assert(config_loads("{'flavor': {'extra_specs': {'hw:numa_nodes': 2}}}", flavor,
+ whitelist_keys=['alpha', 'extra_specs']) == new_flavor)
def test_fluentd():
logger = logging.getLogger('fluent-logger')